Entries |
Document | Title | Date |
20080206632 | BATTERY SEPARATOR - An alkaline battery includes a housing, a cathode disposed within the housing, an anode disposed within the housing, a separator disposed between the anode and the cathode, and an alkaline electrolyte contacting the anode and the cathode. The separator can include a tube having at an inner tube layer and an outer tube layer. The inner tube layer is disposed radially inward from the outer tube layer and no portion of the inner tube layer is disposed radially outward from any portion of the outer tube layer. The separator can also include a disc positioned at one end of the tube to create a closed end of the separator. | 08-28-2008 |
20080213654 | ELECTROCHEMICAL CELL - An alkaline electrochemical cell having a gelled anode including zinc powder and a rheological modifier is disclosed. The rheological modifier reduces at least one of the gelled anode's key rheological parameters thereby enabling transportation and distribution of the gelled anode within a battery manufacturing facility. | 09-04-2008 |
20080226977 | Electrolyte for lithium ion rechargeable battery and lithium ion rechargeable battery including the same - An electrolyte for the lithium rechargeable battery includes a non-aqueous organic solvent, lithium salts, vinylethylene carbonate and fluoroethylene carbonate. With this electrolyte, the ba0ttery life can be improved, and the storing property at a high temperature can be improved because the increasing rate of the battery thickness according to the increased internal pressure in the battery due to the gas generation is reduced when being kept at the high temperature, and the discharging property at a low temperature is improved because the discharge capacity can be increased when discharging at the low temperature. | 09-18-2008 |
20080226978 | Support foot for battery pack, battery pack with the same and method of manufacturing the same - A support foot for a battery pack, a battery pack including the support foot and a method for manufacturing the battery pack are provided. The support foot is constructed with a first support part, and a second support part including a protrusion. The protrusion is inserted into the battery pack and is thermally welded to be attached to the battery pack, so that the support foot can be securely attached to the battery pack. | 09-18-2008 |
20080241670 | Electrolyte for lithium ion rechargeable battery and lithium rechargeable battery including the same - An electrolyte for a lithium ion rechargeable battery, including a lithium salt, a non-aqueous organic solvent, a dihalogenated ethylene carbonate, and a halogenated ethylene carbonate. The electrolyte may include about 0.01 to about 2 weight % of the dihalogenated ethylene carbonate, and the electrolyte may include about 0.1 to about 10 weight % of the halogenated ethylene carbonate. | 10-02-2008 |
20080241671 | POWER DISCONNECTION APPARATUS FOR SOFT-SHELL LI ION BATTERY - A power disconnection apparatus includes a soft-shell Li ion battery and a power disconnection device. The soft-shell Li ion battery includes anode pin and a cathode pin and a soft shell enclosing the soft-shell Li ion battery. The power disconnection device includes a panel attaching to the surface of the shell of the soft-shell Li ion battery and a separation unit arranged at topside of the panel and corresponding to one of the anode pin and the cathode pin. The shell has expansion when the soft-shell Li ion battery is over-charged and the panel is move away from the soft-shell Li ion battery. Therefore, the separation unit disconnects power to the anode pin or the cathode pin. | 10-02-2008 |
20080241672 | NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY AND METHOD FOR PREPARING THE SAME - To provide a secondary battery that is capable of shortening injecting time for injecting an electrolytic solution, and infiltrating the electrolytic solution uniformly, during a process for preparing the secondary battery. Also, to provide the secondary battery in which discordance of layers of positive-electrode plates, negative-electrode plates, and separators does not easily occur during a process for laminating them and the following process. | 10-02-2008 |
20080241673 | PRISMATIC CELL - A prismatic cell capable reliably inhibiting swelling of the cell is provided. The prismatic cell includes an electrode assembly having a positive electrode and a negative electrode, an electrolytic solution, and a prismatic outer casing housing the electrode assembly and the electrolytic solution. The outer casing has an inwardly depressed portion in the central portion of a side surface of the outer casing having a largest area among the four side surfaces of the prismatic outer casing. The depressed portion has at least one swelling prevention groove. | 10-02-2008 |
20080254358 | RECHARGEABLE LITHIUM BATTERY - The rechargeable lithium battery according to one embodiment includes a negative electrode, a positive electrode, and an electrolyte in a case. The rechargeable lithium battery includes a compound that forms a coordinate covalent bond with anions in at least one of a negative electrode, a positive electrode, an electrolyte, and an inner surface of a case. The rechargeable lithium battery can inhibit electrode corrosion at a high voltage and can be manufactured without requiring additional fabrication processes. | 10-16-2008 |
20080254359 | RECHARGEABLE BATTERY - A rechargeable battery is provided including a bare cell having a can. The can has an electrode assembly. The electrode assembly has an electrode terminal withdrawn from one surface of the bare cell. A circuit is electrically coupled to the bare cell. The circuit includes a charge-discharge circuit and an antenna circuit. A case is connected to the electrode terminal for receiving and covering the circuit. An antenna assembly is on an outer surface of the bare cell. The antenna assembly includes a line antenna for receiving a radio frequency signal. The line antenna is coupled to the antenna circuit. | 10-16-2008 |
20080274401 | Oxygen gas sensor - A gas sensor includes an electrochemical cell. The electrochemical cell includes a body defining a cavity to contain a predetermined volume of electrolyte solution. The plurality of electrodes is disposed within the cavity and comprises an electrically conductive material that is substantially free of hazardous material. An energy module is coupled to the plurality of electrodes. The energy module provides a bias voltage suitable to reduce gas diffused in the electrolyte solution. An electrical interface is coupled to the energy module. The electrical interface has an electrical and mechanical form-factor to enable the gas sensor to replace a lead-based anode galvanic oxygen gas sensor as a drop-in replacement. | 11-06-2008 |
20080292953 | SECONDARY BATTERY WITH NON-AQUEOUS SOLUTION - Disclosed herein is a non-aqueous solvent secondary battery, which has excellent long-term reliability and high thermal-resistance through the improved thermal resistance of the collectors. The non-aqueous solvent secondary battery comprises a cathode electrically coupled to a collector, an anode electrically coupled to a collector and an electrolyte layer interposed between the cathode and anode. The cathode, anode and electrolyte layer are stacked upon one another. The collector of the cathode side comprises an alloy-based metal foil with at least a portion of the collector of the cathode side having a Pitting Resistance Equivalent (PRE) of 45 or more. | 11-27-2008 |
20080292954 | LITHIUM POLYMER BATTERY - A lithium polymer battery where the corrosion or the electrical short resulting from contact of the metal film of the cut region of external material with the connecting lead or the terminal of the adjacent protective circuit cover can be prevented. The lithium polymer battery comprises: a chargeable and dischargeable bare cell; a protective circuit cover installed on one side surface of the bare cell so as to be electrically coupled to the bare cell; and a holder cap installed between the protective circuit cover and the bare cell so as to block contact between the bare cell and a terminal of the protective circuit cover. | 11-27-2008 |
20080292955 | BATTERY PACK - A battery pack including: a bare cell; a holder disposed at an end of the bare cell, having a connection groove on a side surface thereof; a protection circuit board seated in the holder; and an outer case disposed upon a side of the bare cell, having a connection protrusion mated with the connection groove, to secure the holder. Another battery pack includes: a bare cell including an electrode assembly and an cell case to accommodate the electrode assembly, including an outer casing and a inner casing, the cell case having a connection protrusion disposed at an edge of at least one of the outer and inner casings; a holder disposed at an end of the bare cell, having a connection groove to mate with the connection protrusion and thereby secure the holder; and a protection circuit board seated in the holder. | 11-27-2008 |
20080299454 | LITHIUM SECONDARY BATTERY - A lithium secondary battery includes two electrode plates having different polarities and has a ceramic film provided on one electrode plate of the two, wherein the electrode plate coated with the ceramic film has a front edge positioned ahead of a front edge of another electrode plate, and/or has a back edge positioned behind a back edge of the other electrode plate when the two electrode plates are laminated and/or spirally wound. Aspects of the present invention provide such a lithium secondary battery to prevent a short circuit between the ceramic film-employed electrode plates and the electrode collector of electrode plates having different polarities when the ceramic film-employed electrode plates are laminated or spirally wound, thereby improving stability and reliability of the battery. | 12-04-2008 |
20090004559 | CAP ASSEMBLY FOR A HIGH CURRENT CAPACITY ENERGY DELIVERY DEVICE - A cap assembly for use in an electrochemical cell. The cap assembly includes a tab collection post, a core insert, and at least one current collecting tab connected at one end to an electrode foil in the electrochemical cell, and horizontally connected at the other end to the tab collection post and the core insert. The at least one current collecting tab is disposed between and welded with the tab collection post and the core insert. The cap assembly also includes a shock absorber disposed around the core insert. | 01-01-2009 |
20090023062 | POUCH TYPE LITHIUM SECONDARY BATTERY - A pouch type lithium secondary battery includes: an electrode assembly including electrode tabs respectively connected to two electrodes, the two electrodes having different polarities; and a case to house the electrode assembly such that the electrode tabs extend to the outside of the case, wherein one stepped part through which the two electrode tabs simultaneously extend is formed in a sealing portion of the case. In the electrode sealing portion of the pouch type lithium secondary battery having short width, sealing of the case is improved by the one stepped part, thereby improving efficiency of the manufacturing process of the battery. | 01-22-2009 |
20090047575 | CELL AND BATTERY INCORPORATING THE CELL - Disclosed is a cell with a power-generating element and an outer package. The power-generating element includes a unit cell layer including a first electrode, a second electrode and an electrolyte layer disposed between the first and second electrodes. In the first electrode, a first collector is provided with one of a positive electrode active material layer and a negative electrode active material layer. In the second electrode, a second collector is provided with the other one of the positive and negative electrode active material layers. The first and second collectors have thicknesses such that when a conductor from outside penetrates at least two cells and a short circuit is formed between two cells via the conductor, shorted portions of the first and second collectors are fused by the heat generated by the current before the temperature of the cells reaches a predetermined value so that the short circuit is blocked. | 02-19-2009 |
20090053593 | BATTERY - A battery capable of suppressing the swollenness and improving the capacity and the like is provided. The battery includes a spirally wound electrode body ( | 02-26-2009 |
20090053594 | RECHARGEABLE AIR BATTERY AND MANUFACTURING METHOD - An air battery having an air cathode having a porous carbon based air cathode containing a non-aqueous organic solvent based electrolyte including a lithium salt and an alkylene carbonage additive. The battery also includes a separator loaded with an organic solvent based electrolyte including a lithium salt and an alkylene carbonate additive, a cathode current collector, an anode, an anode current collector, and a housing. The housing contains the cathode, separator, cathode current collector, anode, anode current collector, and a supply of air. | 02-26-2009 |
20090053595 | ALKALINE DRY BATTERY - An alkaline dry battery of this invention includes: a positive electrode including at least one of a manganese dioxide powder and a nickel oxyhydroxide powder; a negative electrode including a zinc alloy powder; a separator interposed between the positive electrode and the negative electrode; an alkaline electrolyte; and a battery case for housing the positive electrode, negative electrode, the separator, and the alkaline electrolyte. The negative electrode further includes a surfactant that adsorbs to a surface of the zinc alloy powder during a non-discharge period and promptly desorbs from the surface of the zinc alloy powder upon start of discharge without impeding ion transfer in the alkaline electrolyte. | 02-26-2009 |
20090061303 | NONAQUEOUS-ELECTROLYTE BATTERY - The invention provides a nonaqueous-electrolyte battery which has a positive electrode | 03-05-2009 |
20090061304 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A center pin is inserted in a hollow cavity of an electrode group of a lithium ion secondary battery. The center pin includes a center portion, a perimeter portion and an end portion. The center portion extends in the radial direction of the hollow cavity. The perimeter portion extends along an inner wall surface of the hollow cavity from an end of the center portion in the radial direction of the hollow cavity. The end portion extends from an end of the perimeter portion in the circumferential direction toward the inside of the hollow cavity to be away from the inner wall surface of the hollow cavity but separated from the center portion. | 03-05-2009 |
20090092896 | BATTERY PACK - A battery pack including: a bare cell having first and second electrode terminals; a holder positioned on a first side of the bare cell, comprising first fastening portions; a protective circuit assembly seated in the holder; and a cover to cover the protective circuit assembly and the bare cell, the cover including second fastening portions. In the battery pack, the first and second fastening portions are interlocked inside of the cover. | 04-09-2009 |
20090098452 | BATTERY CASE - The present invention provides a battery including a case and a battery cell accommodated in the case. The case is divided in a thicknesswise direction of the battery cell into a first case and a second case. The first and second cases have joint portions formed along peripheries thereof for jointing with each other. The joint portion of one of the first and second cases has a joining thin wall formed to extend along a periphery thereof and project in the thicknesswise direction. The joint portion of the other of the first and second cases has a joining recess formed to extend along a periphery thereof for receiving the joining thin wall inserted therein in a state that the joint portions of the first and second cases joint with each other. The joining thin wall and the joining recess in which the joining thin wall is inserted while the joint portions of the first and second cases joint with each other are joined together by welding. The other case has a projecting wall formed at a location of an outer face thereof positioned on the outer side of the joining recess in such a manner as to extend along the joining recess. | 04-16-2009 |
20090098453 | Anode of lithium battery, method for fabricating the same, and lithium battery using the same - An anode of a lithium battery includes a carbon nanotube film, the carbon nanotube film includes a plurality of tangled carbon nanotubes. A method for fabricating an anode of a lithium battery, the method includes the steps of:(a) providing a plurality of carbon nanotubes; (b) adding the plurality of carbon nanotubes to a solvent to get a carbon nanotube floccule structure in the solvent; and (c) separating the carbon nanotube floccule structure from the solvent, shaping the separated carbon nanotube floccule structure into a carbon nanotube film, and thereby, achieving the anode. | 04-16-2009 |
20090104519 | NEGATIVE ELECTRODE FOR LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY ADOPTING THE SAME - A negative electrode for a lithium rechargeable battery comprising: active material layers including metal-carbon combination active material particles including at least one active material selected from metal or metal oxide and carbonaceous active material, soft graphite particles, and a binder for binding the metal-carbon combination active material particles and the soft graphite particles; and a current collector on which surface the active material layers are stacked, wherein the soft graphite particles have a pellet density of 1.6˜1.9 g/cc when a pellet is formed at a press pressure of 1 ton/cm2, and the lithium rechargeable battery adopting the negative electrode. | 04-23-2009 |
20090111012 | SECONDARY BATTERY - A secondary battery incoludes a positive electrode, a negative electrode including an anode active material layer formed on at least one side of a negative electrode current collector, an electrolyte, and a laminate-film casing member containing therein the positive electrode, the negative electrode, and the electrolyte. The electrolyte contains a non-aqueous solvent which includes a cyclic carbonic ester in an amount of 80 to 100%, based on a total weight of the non-aqueous solvent. The also contains an electrolyte salt in a concentration of 0.8 to 1.8 mol/kg. The anode active material layer contains a polymer which includes repeating units derived from vinylidene fluoride. A peel strength between the anode active material layer and negative electrode current collector is 4 mN/mm or more as measured after immersing the anode active material layer into a solvent. | 04-30-2009 |
20090111013 | Secondary battery with protection circuit module - A secondary battery with a protection circuit module having one of a hole and a groove containing a current interrupting device for compensating for the thickness of the PTC, so that an overall length of the secondary battery can be reduced. The current interrupting device may be a PTC, the PTC comprises an upper electrode, a main body and a lower electrode, and the upper electrode, the main body and the lower electrode may be sequentially disposed in a vertical position. Moreover, the PTC comprises a first electrode, a main body and a second electrode, and the first electrode, main body and second electrode may be sequentially disposed along a horizontal line. | 04-30-2009 |
20090111014 | Liquid State Lithium Ion Battery with Aluminum-Plastic Complex Film - A liquid state lithium ion battery with aluminum-plastic complex film includes an electrode assembly made up of anodes ( | 04-30-2009 |
20090117457 | Electrochemical Cells And Method Of Manufacturing Same - An electrochemical cell comprising a casing, an anode comprising anode active material, a cathode, and an electrolyte solution activating the cathode and the anode is described. In one embodiment, the cathode is comprised of a first current collector, first and second sheets of a first cathode active material in contact with the first current collector, a second current collector, third and forth sheets of the first cathode active material in contact with the second current collector, and a first sheet of a second cathode active material in non-adherent and congruent contact with the second and third sheets of the first cathode active material. | 05-07-2009 |
20090123831 | CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME - A cap assembly and a secondary battery using the cap assembly, the cap assembly including: a cap-up having a groove; a PTC thermistor disposed in the groove; and inner components disposed below the cap-up. The inner components can include a vent disposed under the cap-up; a cap-down disposed under the vent; a sub-plate disposed under the cap-down; and an insulating vent disposed between the vent and the cap-down The secondary battery includes: an electrode assembly; a can containing the electrode assembly, having an opening at one side; and the cap assembly to seal the opening of the can. | 05-14-2009 |
20090123832 | NON-AQUEOUS ELECTROLYTE BATTERY - A non-aqueous electrolyte battery is disclosed. The non-aqueous electrolyte battery include a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The negative electrode includes an anode mixture layer having a volume density of 1.70 to 1.90 g/cm | 05-14-2009 |
20090123833 | LITHIUM ION BATTERY - A lithium ion battery characterized in that a porous elastomer made of non-metal material is provided among the positive and negative electrodes groups, or between the electrodes groups and the inner wall of the shell and the elastomer is in the shape of sheet or stick. The thickness of the elastomer is 0.5 mm-5.0 mm, and the porosity is 10%-80%. The said battery can avoid effectively the expansion of the shell during the cycle of charge and discharge, and can be processed conveniently, and the cyclic life and safety property of the battery can be improved effectively. | 05-14-2009 |
20090130549 | Lead acid battery including a two-layer carbon foam current collector - A lead acid battery includes a housing and at least one cell disposed within the housing. Each cell includes at least one positive plate and at least one negative plate and an electrolyte disposed in a volume between the positive and negative plates. The at least one negative plate includes a current collector, consisting essentially of a layer of carbon foam disposed on a substrate, and a chemically active material disposed on the current collector. | 05-21-2009 |
20090130550 | SECONDARY BATTERY - A secondary battery includes: a bare cell; an insulation case located on the bare cell; a protection device seated on the insulation case and electrically coupled to the bare cell; and a first lead electrically coupled to a first terminal of the protection device, where the insulation case includes; a base portion on which the protection device is seated; an anchor portion provided on a surface at one end of the base portion; and a hook portion projecting from one side surface of the anchor portion toward a center of the base portion and having an insertion groove at a lower portion thereof. The first lead is connected to the hook portion of the insulation case. | 05-21-2009 |
20090136840 | SECONDARY BATTERY - A secondary battery comprising an electrode assembly including: a first electrode plate connected to a first electrode tab, a second electrode plate connected to a second electrode tab, and a separator disposed therebetween; a can having an opening, to house the electrode assembly; and a cap assembly to seal the opening. The first electrode tab has a reinforcement portion. The first electrode tab has a welding portion connected to the cap assembly and a bent portion formed in the reinforcement portion, which is thicker than the welding portion. | 05-28-2009 |
20090142659 | BATTERY ELECTRODE STRUCTURE - An electrode structure for a battery having an electrode tab coupled to a recess within an electrode lead. The tab can be coupled to the recess via hot-pressure treatment or mechanical compression. The coupling can be further reinforced by known welding techniques. The resulting electrode structure is capable of providing a battery with lowered internal resistance, enhanced safety and electrical properties. | 06-04-2009 |
20090148765 | LITHIUM IRON(II) PHOSPHATE CATHODE ACTIVE MATERIAL - Lithium iron(II) phosphate containing cathode active material having lithium iron(II) phosphate particles and nano-carbons and methods of preparation thereof. In addition, the cathode active material includes iron phosphide and can be prepared under an inert atmosphere and sintered at high temperatures. The material mixture includes lithium compound, iron compound, organic carbon, phosphorous and nano-iron particles resulting in an electrode with higher unit capacity and maintenance rate. | 06-11-2009 |
20090155681 | Structure of a battery set - The present invention provides a structure of a battery set including a battery body and a holder. The battery body has a circuit board disposed on a side of the battery body. The circuit board has a plurality of conductive pads. The holder with “U” shaped profile is provided on the side of the battery body with the circuit board and keeps a vacancy against the battery body. The filling body is formed in the vacancy between the battery body and the holder to envelop the circuit board and secure the connection of the holder and the battery body. | 06-18-2009 |
20090155682 | STRUCTURE OF A BATTERY SET - This invention is to disclose a structure of a battery set comprising a case, a battery body, a holder and a filling body. The case is formed like a clamp shape having an open space inside. The battery body disposed in the open space has a PCB adjacent to an open end of the holder. The holder is disposed on the open end thereof for holding the PCB. The filling body consists of one portion thereof filled in the open space to secure the battery body, and the remaining portions thereof respectively extending outwards to cover the outer side of the case. Therefore, the filling body both secures the holder and the protecting case and seals the open space. | 06-18-2009 |
20090155683 | INSULATING CASE FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - An insulating case for a secondary battery includes a main body and a support projecting upward from an edge of the main body such that an internal angle between the support and the main body is an obtuse angle. Further, a secondary battery including an electrode assembly, a can housing the electrode assembly, the can having an opening, a cap assembly covering the opening of the can, and an insulating case on the electrode assembly, the insulating case including a main body and a support projecting upward from an edge of the main body, wherein an internal angle between the support and the main body is an obtuse angle. | 06-18-2009 |
20090186268 | Impact resistant battery pack - A battery pack including a cell having a surface including a coupling groove, a circuit board electrically connected to the cell, a coupling member coupled to the cell, having one end coupled to the circuit board and another end having a coupling hole corresponding to the one coupling groove, a cover surrounding the circuit board, mounted on one surface of the cell, and having a through-hole, a screw coupled to the coupling groove through the through-hole, and an elastic supporting member disposed between a head part of the screw and the coupling member. | 07-23-2009 |
20090191456 | BATTERY PACK AND MANUFACTURING METHOD THEREFOR - A battery pack has a battery obtained by packing a battery element with a packing member. The battery element is formed by winding or laminating an anode and a cathode through separators. The battery pack includes frame member surrounding the packing member packing the battery element and a coating layer constituted of a curable resin formed on surfaces of the packing member which are surrounded and demarcated by the frame member. | 07-30-2009 |
20090197163 | High rate primary lithium battery with solid cathode - A safe high rate primary lithium battery with solid cathode and a lithium anode is provided, having a high rate of discharge and higher energy density due to the lithiated cathode materials contained therein. | 08-06-2009 |
20090208838 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly and a secondary battery having the same that can prevent an electrode coating portion from being separated from an electrode collector and generation of cracks on a surface of the ceramic layer coated on the electrode, the secondary battery comprising: an electrode assembly; a can having an upper opening to receive the electrode assembly; and a cap assembly covering the opening of the can, wherein the electrode assembly comprises a positive electrode plate, a negative electrode plate, and ceramic layers that are coated on at the surfaces of the positive electrode plate and the negative electrode plate that face each other, and the ceramic layers include a ceramic powder, a binder, and an additive, and the additive comprises at least one of vinyl acetate, maleic acid, and maleate. | 08-20-2009 |
20090214945 | ELECTROCHEMICAL DEVICE AND METHOD OF MANUFACTURING ELECTROCHEMICAL DEVICE - An electrochemical device | 08-27-2009 |
20090220855 | Battery - An alkaline battery can include a housing, a cathode within the housing, an anode, a separator between the anode and the cathode, and an alkaline electrolyte contacting the anode and the cathode. The cathode defines an anode cavity and the anode is deposited within the anode cavity. The cathode has a top surface adjacent to the anode cavity. The battery can include a protective layer deposited on the top surface of the cathode and/or a gel plug deposited over the anode. The protective layer can include a PVA layer coated over the top surface of the cathode. | 09-03-2009 |
20090220856 | Composite compound with mixed crystalline structure - A composite lithium compound having a mixed crystalline structure is provided. Such compound can be formed by heating a lithium, iron, phosphorous and carbon mixed compound with another metal compound together. The resulting mixed metal crystal can exhibit superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
20090233166 | LITHIUM-ION BATTERY WITH MEDIUM AND SMALL CAPACITY AND HIGH OUTPUT - A lithium-ion battery with medium and small capacity and high output, comprises a shell, a cell core and electrolyte located in the shell; the said cell core obtained by winding anode sheets, cathode sheets and separators between the anode sheets and cathode sheets, the said anode sheets coated with anode active material, the said cathode sheets coated with cathode active material; the said anode active material includes LiMn | 09-17-2009 |
20090239140 | BATTERY COVER LATCH MECHANISM AND PORTABLE ELECTRONIC DEVICE USING SAME - A battery cover latch mechanism ( | 09-24-2009 |
20090246618 | Insert molded electrode grid - The present disclosure is directed to an electrode grid for a battery. The electrode grid may include at least one active material retaining segment, the active material retaining segment including one or more channels. The at least one active material retaining segment may be formed of at least one of carbon foam and graphite foam. In addition, the electrode grid may include a conductive material deposited within the one or more channels. | 10-01-2009 |
20090258290 | POUCH TYPE LITHIUM SECONDARY BATTERY - The present invention is related to a pouch type lithium secondary battery. The pouch type lithium secondary battery according to the present invention may comprise an electrode assembly including a positive electrode, a separator and a negative electrode, and a pouch having a groove for receiving the electrode assembly and upper and lower portions of which are fused to each other around the groove to form flange-shaped edges. In particular, the edges may be at least partially covered at ends thereof with insulating material. As a result, a short circuit between a metal foil of the pouch and the negative electrode of the battery can be prevented, and corrosion of the battery may be also prevented. | 10-15-2009 |
20090263710 | AA ALKALINE BATTERY - In an AA alkaline battery, an opening of a battery case is sealed by a gasket. The battery case houses a positive electrode, a negative electrode, a separator, and an alkaline electrolyte. The positive electrode contains manganese dioxide having a potential of higher than or equal to 270 mV measured by using mercurous oxide (Hg/HgO) as a reference electrode in 40 wt % of a potassium hydroxide aqueous solution. The negative electrode contains 4.0 g or more of zinc. The gasket has a hydrogen gas permeability coefficient, per one gasket, in the range from 6×10 | 10-22-2009 |
20090269658 | Grid for Lead-Acid Battery with Electroconductive Polymer Coating - The present invention provides a method for manufacture of a grid structure for use in lead acid batteries using a substrate having low density and low melting point, the method comprising coating the substrate material with a first metal layer and a subsequent metal layer of lead/lead alloy and electrodepositing an electroconductive polymer to form a protective layer thereon. | 10-29-2009 |
20090269659 | INJECTION MOLDED ARTICLE AND METHOD FOR THE MANUFACTURE THEREOF - Injection molded articles having large, thin sections are prepared by injection molding of a composition that includes specific amounts of poly(arylene ether) and a rubber-modified polystyrene. The specific component amounts provide the composition with a shear thinning index of 6 to 17 measured at a temperature of 260 to 300° C. and shear rates of 100 and 10,000 second | 10-29-2009 |
20090280402 | BATTERY COVER LATCH MECHANISM AND PORTABLE ELECTRONIC DEVICE USING SAME - A battery cover latch mechanism ( | 11-12-2009 |
20090286151 | Lithium-ion battery - A lithium-ion battery includes a positive electrode having an active material and a polymeric separator configured to allow electrolyte and lithium ions to flow between a first side of the separator and an opposite second side of the separator. The battery also includes a liquid electrolyte having a lithium salt dissolved in at least one non-aqueous solvent and a negative electrode having a lithium titanate active material. The positive electrode has a first capacity and the negative electrode has a second capacity that is less than the first capacity. | 11-19-2009 |
20090291363 | BATTERY COVER MECHANISM - A battery cover mechanism used in a portable electronic device includes a housing defining a receiving groove therein for receiving a battery, a cover mounted an elastic member, the elastic member defines a locking space, the housing has a protrusion formed thereon, the protrusion is latched with the locking space to latch the cover with the housing. | 11-26-2009 |
20090297941 | Type of secondary battery - This invention describes a type of secondary batteries. The bottom of the secondary battery is installed with a safety device that includes a conductive current interrupting device (CID) and a support component. In installing the safety device on the bottoms of the batteries, the batteries' manufacturing processes are simplified, their production costs are lowered, and the space utilization inside of the battery is increased. In addition, the battery manufacturing process can use sealed or unsealed methods. | 12-03-2009 |
20090305127 | MICROPOROUS MATERIAL AND A METHOD OF MAKING SAME - A method for producing a microporous material comprising the steps of: providing an ultrahigh molecular weight polyethylene (UHMWPE); providing a filler, providing a processing plasticizer, adding the filler to the UHMWPE in a mixture being in the range of from about 1:9 to about 15:1 filler to UHMWPE by weight; adding the processing plasticizer to the mixture; extruding the mixture to form a sheet from the mixture; calendering the sheet; extracting the processing plasticizer from the sheet to produce a matrix comprising UHMWPE and the filler distributed throughout the matrix; stretching the microporous material in at least one direction to a stretch ratio of at least about 1.5 to produce a stretched microporous matrix; and subsequently calendering the stretched microporous matrix to produce a microporous material which exhibits improved physical and dimensional stability properties over the stretched microporous matrix. | 12-10-2009 |
20090311593 | SECONDARY BATTERY - A secondary battery is disclosed. In one embodiment, the secondary battery includes i) an electrode assembly comprising upper and lower surfaces opposing each other, ii) a container configured to receive the electrode assembly via an opening defined at one end thereof, iii) a cap assembly configured to close the opening of the container, wherein an electrolyte injection hole is defined in the cap assembly, and wherein the electrolyte injection hole is configured to receive electrolyte and iv) an insulation case configured to be received by the container and being interposed between the cap assembly and the electrode assembly, wherein a first electrolyte permeation passage is formed between an outer surface of the insulation case and an inner surface of the container, and wherein the first electrolyte permeation passage is configured to expedite the permeation of the received electrolyte into the lower surface of the electrode assembly. | 12-17-2009 |
20090317707 | LITHIUM SECONDARY BATTERY - Provided is a lithium secondary battery which is capable of preventing high-temperature short circuit by incorporation of a clad negative electrode tab having a nickel/copper bilayer structure. | 12-24-2009 |
20090317708 | PLASTIC LAMINATE FILM - Plastics composite foil for the sheathing of lithium-ion-polymer batteries and lithium-polymer batteries, comprising, arranged in mutual superposition, the following layers: a) a base foil composed of plastic b) a metal foil and c) a functional plastics layer, where at least one metal protective layer applied via a physical deposition process, such as vapour deposition processes or sputtering, an example being a chromium layer, has been arranged with thickness of from 0.1 to 1000 nm (nanometres) on the layer b), the metal foil, at least in the direction of the layer c), and/or on the layer c), the functional plastics layer, in the direction of the layer b), the metal foil, and/or in the functional plastics layer. | 12-24-2009 |
20090317709 | COMPOSITE CARBON FOAM - A composite foam including a carbon foam material comprising a network of pores and a plurality of discontinuities and a secondary material deposited on at least some of the plurality of discontinuities of the carbon foam material. | 12-24-2009 |
20090317710 | ANODE, CATHODE, GRID AND CURRENT COLLECTOR MATERIAL FOR REDUCED WEIGHT BATTERY AND PROCESS FOR PRODUCTION THEREOF - A process for producing lightweight materials for a battery comprises lightweight polymer substrate coated with dispersions of nano particles, conductive matrixes and active material. | 12-24-2009 |
20090325061 | SECONDARY BATTERY - A secondary battery including: an anode including a positive electrode active material; a cathode including a negative electrode active material; a separator interposed between the anode and the cathode; and a non-aqueous electrolyte. The positive electrode active material includes a lithium nickel oxide, and the negative electrode active material includes at least one silicon compound selected from the group consisting of silicon, a silicon oxide, and a silicon alloy. | 12-31-2009 |
20100003594 | POUCH-TYPE LITHIUM SECONDARY BATTERY - A pouch-type lithium secondary battery including: an electrode assembly; and a case to house the electrode assembly, including first and second case portions. The first case portion includes a receiving part to receive the electrode assembly, and a wing part extending from the receiving part. The second case portion includes an outer part that is sealed to the wing part, and an extension part that extends from the outer part and is folded toward the wing part. | 01-07-2010 |
20100003595 | Lithium Cell - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 01-07-2010 |
20100015520 | BATTERY COVER LATCHING STRUCTURE FOR PORTABLE ELECTRONIC DEVICE - A battery cover latching structure ( | 01-21-2010 |
20100015521 | Rechargeable battery and associated methods - A rechargeable battery and associated methods, the rechargeable battery including an anode, a cathode, wherein the cathode includes a ternary cathode-active material, a separator interposed between the cathode and the anode, an electrolyte, and a housing enclosing the electrolyte, the anode, and the cathode, wherein the electrolyte includes a lithium salt, a non-aqueous organic solvent, about 0.5 weight % to about 5 weight % of succinonitrile, and at least one of about 1 weight % to about 10 weight % of halogenated ethylene carbonate and about 1 weight % to about 5 weight % of vinyl ethylene carbonate. | 01-21-2010 |
20100028770 | Electrode Assembly Having Electrode Tabs of the Same Size in Joint Portion Thereof and Electrochemical Cell Containing the Same - Disclosed herein is a stacking or stacking/folding type electrode assembly of a cathode/separator/anode structure, wherein the electrode assembly is constructed in a structure in which tabs (electrode tabs), having no active material applied thereto, protrude from electrode plates constituting the electrode assembly, electrode leads are located at one-side ends of the stacked electrode tabs such that the electrode leads are electrically connected to the electrode tabs, and protruding lengths of the electrode tabs are gradually increased according to the distances between the electrode leads and the electrode tabs, whereby the lengths of the electrode tabs at joint portions between the electrode tabs and the electrode leads are the same. Also disclosed is an electrochemical cell including the electrode assembly. | 02-04-2010 |
20100028771 | ELECTROLYTE FOR LITHIUM BATTERIES - Electrolyte and lithium secondary batteries containing the same are disclosed. In one instance, the electrolyte includes a lithium salt, a solvent and an additive. In some examples, the additive includes substances A, B and C, wherein substance A is vinylene carbonate, substance B includes at least one of fluorinated or chlorinated ethylene carbonate or diethylene carbonate, and substance C includes at least one of ethylene sulfite, 1,3-propanesultone and propenyl sulfite. | 02-04-2010 |
20100040942 | LAMINATE PACKING MATERIAL FOR BATTERY AND LAMINATE BATTERY - In a laminated external packaging material for a battery according to the present invention, a metallic foil | 02-18-2010 |
20100040943 | Secondary battery - A secondary battery, including an electrode assembly; a can housing the electrode assembly; and a cap assembly on the can, wherein the cap assembly includes: a cap plate having a terminal hole and a terminal groove, a gasket on the cap plate having a center hole, and an electrode terminal having a terminal post in the center hole and a plate portion disposed on the gasket; the gasket including a gasket post in the terminal hole and a gasket plate seated in the terminal groove; at least one side of the terminal plate and at least one side of the gasket plate being spaced apart from at least one side of the terminal groove. | 02-18-2010 |
20100040944 | BATTERY WITH CONTAINER FOR ALKALINE SOLUTION - A container for an alkaline solution comprising a polysulfone resin and an acrylate core-shell rubber impact modifier and optionally a polycarbonate. The container can be fabricated by injection molding or thermoforming from an extruded sheet. The container is well suited as a case for aqueous KOH electrolyte batteries. | 02-18-2010 |
20100055560 | SECONDARY BATTERY - Disclosed is a secondary battery that can improve coupling strength between a bare cell and a protection circuit module by combining a projected portion of a bare cell with a hole of a lead plate, and to simplify manufacturing process by removing welding process. | 03-04-2010 |
20100062330 | PORTABLE POWER AND CONTROL PACK - A portable power and control pack includes an enclosure having a top surface and a lateral surface formed respectively with openings. The enclosure has a frontal surface provided with at least one connecting element. An electric power device and a controller electrically connected thereto are disposed in the enclosure. The electric power device has a lateral surface provided with plural connecters corresponding in position to one of the openings of the enclosure. The portable power and control pack can be mounted conveniently at an appropriate location on a human-powered bicycle via the at least one connecting element on the enclosure, allowing the connectors of the electric power device to be connected via transmission lines to an axle motor installed on a wheel of the bicycle. Thus, the human-powered bicycle is easily transformed into an electrically driven bicycle. | 03-11-2010 |
20100068615 | RESIN COMPOSITION FOR METAL PLATING, MOLDED ARTICLE THEREOF, AND METAL-PLATED MOLDED ARTICLE - A resin composition for metal plating provides a molded article exhibiting excellent metal plating adhesion strength and chemical resistance, while having excellent productivity. A metal-plated molded article can also be made from such a resin composition. The resin composition for metal plating includes 50-90% by mass of Component (A) and 10-50% by mass of Component (B), the total of Component (A) and Component (B) being 100% by mass, wherein Component (A) is a polypropylene resin, and Component (B) is a rubber-reinforced vinyl resin obtained by polymerizing a vinyl monomer in the presence of a rubber-like polymer, or a mixture of the rubber-reinforced vinyl resin and a (co)polymer of the vinyl monomer. The composition may further include 0.5-30 parts by mass of a compatibilizer (C) per 100 parts by mass of the total of Component (A) and Component (B). Component (B) is preferably a non-diene rubber-reinforced resin. | 03-18-2010 |
20100068616 | Secondary battery - A secondary battery including an electrode assembly; a can having an opening at an upper portion thereof and housing the electrode assembly; a cap assembly sealing the opening of the can; and an insulation case disposed between the electrode assembly and the cap assembly, the insulation case having an impact absorber configured to deform and absorb an external impact. | 03-18-2010 |
20100068617 | Lithium microbattery comprising an encapsulating layer and fabrication method - A lithium microbattery formed by a stack of thin layers on a substrate which comprises two current collectors, a positive electrode, a solid electrolyte layer, a negative electrode and an encapsulating layer. The encapsulating layer is formed by a protective layer made from polymer material on which a barrier layer is arranged. The protective layer comprises a copolymer formed from a homogeneous mixture of at least two photopolymerizable precursor materials, respectively acrylate-based and epoxide-based. | 03-18-2010 |
20100075220 | Battery pack and method of manufacturing the same - A battery pack and method of manufacturing the same, the battery pack including a battery, and a plurality of metal cases surrounding the battery, wherein the plurality of metal cases includes a first metal case and a second metal case and the first and second metal cases are welded to each other. | 03-25-2010 |
20100086842 | BATTERY CELL ASSEMBLY AND METHOD FOR ASSEMBLING THE BATTERY CELL ASSEMBLY - A battery cell assembly and a method for assembling the battery cell assembly are provided. The battery cell assembly includes first and second rectangular ring-shaped panel members and at least one battery cell. The first and second rectangular ring-shaped panel members are configured to easily couple together to hold the battery cell therebetween. | 04-08-2010 |
20100086843 | LITHIUM ION BATTERY BEFORE PRE-DOPING AND LITHIUM ION BATTERY MANUFACTURING METHOD - A lithium ion battery before pre-doping includes: a negative electrode member before initial charge having a negative active material before initial charge; a positive electrode member; an electrolyte body; a battery case; and a lithium ion supply body formed by a lithium compound capable of emitting lithium ions when positive voltage is applied to it. The lithium ion supply body is arranged so that it is at least partially in contact with the inner exposed surface of the battery case. The negative electrode member before pre-doping is electrically insulated from the metal case member. The lithium ion supply body and the negative active material before initial charge are respectively in contact with the electrolyte body. | 04-08-2010 |
20100086844 | Cell Thermal Runaway Propagation Resistance Using Dual Intumescent Material Layers - A means for inhibiting the propagation of thermal runaway within a plurality of batteries is provided, wherein the means is comprised of a pair of intumescent material layers coating the battery casing, or at least a portion thereof. | 04-08-2010 |
20100092855 | Battery Pack Apparatus For Electric Window Coverings - A battery pack apparatus for electric window coverings coupling with a clutch installed on one side of an upper rail of a window shade includes a battery pack housing below the clutch and a battery pack held in the battery pack housing. The battery pack has a retaining assembly element at one end and an elastic thrust element at a distal end thereof lock or unlock with a latch assembly element at an opposing end of the battery pack housing. Thereby the battery pack can be loaded or unloaded easily to change batteries to facilitate retracting and extending operation of the window shade. | 04-15-2010 |
20100104940 | BATTERY PACK FOR LITHIUM ION BATTERY CELLS - A battery pack configured for lithium ion battery cells includes an inner bonding layer, an intermediate stainless steel layer and an outer protective layer. Due to the arrangement of the intermediate stainless steel layer, the lithium ion battery cell having the battery pack in accordance with the present invention has desirable strength and energy density. | 04-29-2010 |
20100119932 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An object of the present invention is to provide a high-energy density nonaqueous electrolyte secondary battery that controls the rise in temperature during short circuiting. Used is a nonaqueous electrolyte secondary battery | 05-13-2010 |
20100119933 | GALVANIC CELL FOR AN ACCUMULATOR - The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material. | 05-13-2010 |
20100119934 | Container for Electric Energy Storage Device, and Battery and Electric Double Layer Capacitor Using the Same - The invention relates to a container for electric energy storage device excellent in the manufacturing efficiency and easy for surface mounting to an external electric circuit board, and a battery and electric double layer capacitor at high performance using the same. A container for electric energy storage device includes a frame ( | 05-13-2010 |
20100129704 | Silicon Negative Electrode, Lithium Ion Battery, Method of Preparing the Same - A silicon negative electrode comprises a current collector coated with a negative electrode material. The negative electrode material comprises a silicon negative active material and a binder. The binder comprises a first polymer, a second polymer, and a third polymer. The first polymer comprises a fluorine-containing monomer. The second polymer comprises a monomer selected from the group consisting of acrylonitrile, methacrylonitrile, acrylates, methacrylates, and combinations thereof. The third polymer is selected from the group consisting of polyvinylpyrrolidone, polyalkylidene glycol, polyacrylamide, polyethylene glycol, and combinations thereof. | 05-27-2010 |
20100129705 | ACCUMULATOR - An accumulator comprises at least one galvanic cell and a receiving device for supporting the galvanic cell(s) of the accumulator. The receiving device comprises at least one protecting wall for receiving energy by means of elastic and/or plastic deformation. The protecting wall encases the at least one galvanic cell at least partially and has a thickness which is at least partially less than about 1/10 of the characteristic edge length of the at least one galvanic cell. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way. | 05-27-2010 |
20100129706 | DEVICE WITH AT LEAST ONE ACCUMULATOR CELL - In the case of a device with at least one accumulator cell having at least one electrode assembly which is disposed in an elastic sheath, the accumulator cell is equipped with an apparatus having at least two retaining elements, which are connected to each other. The accumulator cell is then held at associated hold points by the retaining elements. | 05-27-2010 |
20100129707 | ELECTROCHEMICAL CELL - An electrochemical cell has a first metal case, a second metal case and a gasket. The first metal case has a first disk portion and a first wall. The second metal case has a second disk portion and a second wall. The gasket is interposed between the first metal case and the second metal case. A bottom surface of the gasket is formed such that one of the outer edge and the inner edge of the bottom surface is spaced from the second disk portion by a predetermined distance. The bottom surface of the gasket inclines with respect to the second disk portion. When an end portion of the second wall is bent toward the first wall, the bottom surface of the gasket contacts the second disk portion. | 05-27-2010 |
20100136417 | BATTERY COVER LATCH ASSEMBLY - A battery cover latch assembly comprised a battery housing member and a battery cover. The battery housing member includes a first sidewall and a second sidewall opposite to the second sidewall. The battery housing member has two first guiding grooves and two first guiding poles. The first guiding grooves are respectively defined in the first sidewall and the second sidewall. The first guiding poles are respectively protruding from the first sidewall and the second sidewall. The battery cover includes two opposite sliding plates, each sliding plate hays a second guiding groove defined therein and a second guiding pole protruding therefrom. The first guiding poles are slidably accommodated in the second guiding grooves, the second guiding poles are slidably accommodated in the first guiding grooves, such that the battery cover is slidably mounted to the battery housing member. | 06-03-2010 |
20100136418 | SECONDARY BATTERY - Disclosed is a pack type secondary battery that can be assembled by a simple process. The secondary battery comprises: a bare cell; a protection circuit module including a circuit board and a supporting member to combine the circuit board with the bare cell; and a top case covering the circuit board of the protection circuit module, where the supporting member of the protection circuit module is provided with a first coupling part and the top case is provided with a second coupling part combined with the first coupling part and the first coupling part of the supporting member is combined with the second coupling part of the top case by an interference fit method. | 06-03-2010 |
20100143788 | Secondary battery - A secondary battery including a bare cell, a protection circuit module electrically coupled to the bare cell, and a holder between the bare cell and the protection circuit module, wherein the protection circuit module includes a flexible printed circuit board having an upper and a lower surface, a charging/discharging terminal on the upper surface of the flexible printed circuit board and a protection circuit unit on the lower surface of the flexible printed circuit board opposite to the charging/discharging terminal, and the holder is disposed on the protection circuit unit on the lower surface of the flexible printed circuit board. | 06-10-2010 |
20100143789 | Secondary battery - Disclosed is a secondary battery that enhances the safety and reliability thereof by preventing the danger of ignition and explosion when it is compressed or damaged due to an external impact. The secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a can accommodating the electrode assembly; and a cap assembly covering a top opening of the can. The cap assembly includes a cap plate having a first hole at a central portion thereof and electrically connected to a first electrode tab protruding from the first electrode plate, an insulation plate located under the cap plate, a terminal plate located under the insulation plate, an electrode terminal penetrating the cap plate, the insulation plate, and the terminal plate and electrically connected to a second electrode tab protruding from the second electrode plate, and a short-circuit plate located under the cap plate. The short-circuit plate is disposed in a manner that the short-circuit plate contacts the terminal plate or the second electrode tab whenever a distorting pressure is applied to the secondary battery. | 06-10-2010 |
20100143790 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, including a negative electrode active material and an electronic conductor containing a carbonaceous material, wherein a negative electrode working potential is nobler at least 1 V than a lithium electrode potential, and the carbonaceous material has a spacing (d | 06-10-2010 |
20100151316 | Accumulator And Method for the Production of an Accumulator - The invention relates to an accumulator ( | 06-17-2010 |
20100151317 | RECHARGEABLE BATTERY - A rechargeable battery including: an electrode assembly that includes a positive electrode, a negative electrode, and a separator interposed therebetween; a case to house the electrode assembly; a cap assembly that is coupled to an opening of the case and electrically connected with the electrode assembly; and an insulating member that is installed between the case and the electrode assembly. The insulating member includes a body disposed on the electrode assembly and a rib that extends from the body and contacts the case. | 06-17-2010 |
20100151318 | THREE-DIMENSIONAL BATTERY WITH HYBRID NANO-CARBON LAYER - A Li-ion battery cell is formed from deposited thin-film layers and comprises a high-surface-area 3-D battery structure. The high-surface-area 3-D battery structure includes a fullerene-hybrid material deposited onto a surface of a conductive substrate and a conformal metallic layer deposited onto the fullerene-hybrid material. The fullerene-hybrid material is made up of chains of fullerene “onions” linked by carbon nanotubes to form a high-surface-area layer on the conductive substrate and has a “three-dimensional” surface. The conformal metallic layer acts as the active anode material in the Li-ion battery and also has a high surface area, thereby forming a high-surface-area anode. The Li-ion battery cell also includes an ionic electrolyte-separator layer, an active cathodic material layer, and a metal current collector for the cathode, each of which is deposited as a conformal thin film. | 06-17-2010 |
20100167117 | BATTERY INCLUDING ELECTRICALLY CONDUCTIVE PHOSPHATE GLASS COMPONENTS - An electrode plate for an energy storage device includes a current collector fabricated at least partially from an electrically conductive phosphate glass. A chemically active material may be disposed on the current collector. | 07-01-2010 |
20100167118 | HIGH-DISCHARGE-RATE LITHIUM ION BATTERY - The present invention provides for a lithium ion battery and process for creating such, comprising higher binder to carbon conductor ratios than presently used in the industry. The battery is characterized by much lower interfacial resistances at the anode and cathode as a result of initially mixing a carbon conductor with a binder, then with the active material. Further improvements in cycleability can also be realized by first mixing the carbon conductor with the active material first and then adding the binder. | 07-01-2010 |
20100173191 | Conductor Plate Protection for a Battery - The invention relates to a vehicle battery, comprising a housing, a cell assembly arranged in the housing made up of battery cells, and a plate arranged in the electrical connector region of the cells for electrical connection of the cells. The battery also has support elements arranged inside the housing which, in the case of a deformation of the housing toward the plate by a deformation force acting on the housing, support the loading forces acting on the plate due to the deformation of the housing. | 07-08-2010 |
20100183910 | BATTERY PACK AND BATTERY-MOUNTED DEVICE - A battery pack is provided in which battery characteristics are not degraded in normal use and, even if a cell reaches a high temperature and a high-temperature gas is released from the inside of the cell, the spread of combustion to the entire pack can be suppressed to reduce damage. The battery pack is provided with cells, a housing for accommodating the cells and a thermal expansion section capable of reducing internal clearances between the cells and the housing upon the application of heat. | 07-22-2010 |
20100196755 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly and a secondary battery having the same, which include a positive electrode having a positive electrode active material layer deposited on a positive electrode collector, a negative electrode having a negative electrode active material layer deposited on a negative electrode collector, and a separator separating the positive electrode from the negative electrode. The negative electrode active material layer includes a negative electrode active material of a metal-graphite complex, and the thickness of the negative electrode collector is in the range from 16.3 to 24.2% of that of the negative electrode active material layer. The thickness of the secondary battery can be reduced while maintaining battery capacity by controlling the ratio of the thickness of the negative active material layer to the negative electrode collector and controlling the tensile stress of the negative electrode collector. | 08-05-2010 |
20100209762 | Gravoltaic cell - The gravoltaic cell converts a gravitational force into electrical energy. The gravoltaic cell comprises a container, an electrolytic mixture of at least two electrolytes disposed in the container, an upper and lower electrode, and an external electrical load connected across the two said electrodes for dissipating said electrical energy. The electrolytic mixture comprises a denser and a less dense portion. The upper electrode contacts the greater distribution of the less dense electrolytic portion, and the lower electrode contacts the greater distribution of the denser electrolytic portion. A state of electrochemical non-equilibrium exists between the upper and lower electrodes. The electrochemical non-equilibrium has a greater distribution of the less dense portion of the electrolytic mixture near a higher volume of the container, and a greater distribution of the denser portion of the electrolytic mixture near a lower volume of the container. A gravitational field sustains a state of density divergence of a volume of the at least two electrolytes, and the upper and lower volumes of the at least two electrolytes and the upper and lower electrodes are held in stationary position relative to the gravitational field. | 08-19-2010 |
20100209763 | ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - This invention provides an electrode for a non-aqueous electrolyte secondary battery and a method for producing the electrode. The electrode includes a current collector and an electrode mixture layer formed on a surface of the current collector, and the electrode mixture layer includes an active material and a binder. The active material comprises first active material particles of substantially spherical shape and second active material particles of non-spherical shape. The second active material particles are particles of the first active, material particles crushed and are packed so as to close gaps between the first active material particles. This invention can provide an electrode for a non-aqueous electrolyte secondary battery in which the electrode mixture layer has a higher packing rate than conventional rates. | 08-19-2010 |
20100209764 | METHOD OF MANUFACTURING SECONDARY BATTERY, AND SECONDARY BATTERY MANUFACTURED BY THE METHOD - A method of manufacturing a secondary battery, including: loading a core pack in a cavity of a mold; loading the mold on a mold receiving portion of an injection molding apparatus; and filling a molten resin in a chamber of the mold. | 08-19-2010 |
20100216012 | LITHIUM RECHARGEABLE BATTERY - A lithium rechargeable battery includes an electrode assembly arranged in a can and an insulating case positioned at an upper portion of the electrode assembly. The insulating case includes at least one protrusion protruding toward an inner wall of the can | 08-26-2010 |
20100227213 | PACKING MATERIAL FOR BATTERY CASE AND BATTERY CASE - A battery case material includes a biaxially stretched polyamide film layer as an outer layer, a thermoplastic resin unstretched film layer as an inner layer, and an aluminum foil layer interposed between the two film layers. As the biaxially stretched polyamide film, a biaxially stretched polyamide film having a density of 1,130 to 1,160 kg/m | 09-09-2010 |
20100248011 | Lithium cell with improved iron disulfide cathode - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 09-30-2010 |
20100248012 | Alkaline Batteries - An AA alkaline cell is described. The cell includes a housing and within the housing an anode, a cathode, a separator disposed between the cathode and the anode, and an electrolyte. The anode may include about 3.3 grams of zinc particles. The cathode may include a cathode active material. The electrolyte may include an ionically conductive component in an aqueous solution. The AA alkaline cell may have a TA/Concentration ratio greater than about 4800. | 09-30-2010 |
20100248013 | LITHIUM RECHARGEABLE BATTERY HAVING AN INTERNAL SPACE - A lithium rechargeable battery includes an electrode assembly having a first electrode, a second electrode, and a separator interposed between them, a can having an opening to contain the electrode assembly, and a cap plate coupled to the top of the can. A side of the can is asymmetrical with respect to another side thereof about at least one of a long axis, short axis, and central point of its cross section. The lithium rechargeable battery has a predetermined space formed between the can and the electrode assembly for improved electrolyte injection and increased manufacturing efficiency and power storage capacity of the battery. | 09-30-2010 |
20100255364 | RECHARGEABLE BATTERY - A rechargeable battery configured to prevent or substantially prevent explosion resulting from overheating. In one embodiment, a rechargeable battery includes: a first metallic plate; a second metallic plate coupled to the first metallic plate to together include five sides of a hexahedron and define a cavity and an opening to the cavity being a sixth side of the hexahedron, at least one of the first metallic plate or the second metallic plate including a base and walls extending from at least two opposing peripheral sides of the base; a generation member in the cavity and including at least one connection member at a side of the generation member proximate the opening; and a cap assembly including an insulator and at least one electrode lead coupled to the at least one connection member, the cap assembly closing the opening. | 10-07-2010 |
20100255365 | PACKING MATERIAL FOR LITHIUM CELL AND PRODUCTION METHOD THEREOF - A packing material for a lithium cell of the present invention includes a first adhesive layer, an aluminum foil layer, a coating layer, an adhesive resin layer or a second adhesive layer, and a sealant layer laminated sequentially on one surface of a base material layer, wherein the coating layer is a multilayer structure comprising a layer (A), in which 1 to 100 parts by mass of a phosphoric acid or a phosphate has been blended into 100 parts by mass of a rare earth element-based oxide, and a layer (X) which contains an anionic polymer and a cross-linking agent that causes cross-linking of the anionic polymers. | 10-07-2010 |
20100266893 | Method and Design for Externally Applied Laser Welding of Internal Connections in a High Power Electrochemical Cell - An electrochemical cell includes components that are welded from an external source after the components are assembled in a cell canister. The cell canister houses electrode tabs and a core insert. An end cap insert is disposed opposite the core insert. An external weld source, such as a laser beam, is applied to the end cap insert, such that the end cap insert, the electrode tabs, and the core insert are electrically coupled by a weld which extends from the end cap insert to the core insert. | 10-21-2010 |
20100273045 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery according to the present invention includes a positive electrode and a negative electrode which are capable of reversibly occluding and releasing lithium; a resin layer provided between the positive electrode and the negative electrode; a battery case accommodating the positive electrode, the negative electrode and the resin layer; a nonaqueous electrolyte solution filling the battery case; and an insulating layer interposed, at least partially, between the positive electrode and the resin layer, the insulating layer containing aluminum fluoride. | 10-28-2010 |
20100279168 | Pouch-Type Lithium Secondary Battery - A pouch-type lithium secondary battery includes an electrode assembly having an anode made of carbon material capable of occluding or emitting lithium ions, a cathode made of lithium-containing oxide, and a separator interposed between the cathode and the anode for electrical insulation therebetween; a pouch-type case made of sheet to provide a space receiving the electrode assembly; and a non-aqueous electrolyte injected into the electrode assembly. The non-aqueous electrolyte is a non-linear carbonate-based non-aqueous electrolyte including a lithium salt, (a) a cyclic carbonate compound, and (b) a linear ester compound selected from propionate-based compound, methyl butyrate, and propyl acetate, or their mixtures. During LiPF | 11-04-2010 |
20100285350 | ELECTROLYTIC CELL - An electrolytic cell has an insulating body, at least one metal plate, at least one carbon plate, an anode terminal connected electrically to one of at least one carbon plate and a cathode terminal connected electrically to one of at least one metal plate. The insulating body has a base and a cover. The base has two sidewalls, an opening, at least one chamber and at least one through hole. The at least one chamber is formed in the base. The at least one through hole is formed through one or all of the sidewalls. The at least one metal plate is mounted in the cover. The at least one carbon plate respectively covers the at least one through hole. Due to the carbon plate allows the air go through the carbon plate, the air can be as a depolarizer. | 11-11-2010 |
20100285351 | Li-ION BATTERY WITH ANODE EXPANSION AREA - An electrochemical cell in one embodiment includes a first electrode including a form of sulfur as an active material, a second electrode spaced apart from the first electrode, the second electrode including a plurality of nanowires, and a transfer member operably contacting the first electrode and the second electrode to transfer one or more of pressure and volume between the first electrode and the second electrode. | 11-11-2010 |
20100285352 | ELECTROCHEMICAL CELLS WITH TABS - The present invention provides electrochemical cells and batteries having one or more electrically conductive tabs and carbon sheet current collectors, where the tabs are connected to the carbon sheet current collectors; and methods of connecting the tabs to the carbon based current collectors. In one embodiment, the electrically conductive tabs are metallic tabs. | 11-11-2010 |
20100291432 | SECONDARY BATTERY AND METHOD OF MAKING THE SECONDARY BATTERY - A secondary battery and a manufacturing method thereof are disclosed. In one embodiment, the secondary battery includes 1) an electrode assembly having an outer surface, 2) a sealing tape attached to and surrounding at least part of the outer surface of the electrode assembly and 3) a can accommodating the electrode assembly and sealing tape. The sealing tape includes i) an adhesive layer contacting the outer surface of the electrode assembly and ii) a base layer formed on and at least partially covering the adhesive layer. The base layer contacts an inner surface of the can. At least part of the adhesive layer is not covered by the base layer. | 11-18-2010 |
20100297493 | ALKALINE BATTERY - A positive electrode | 11-25-2010 |
20100304208 | Metal-Resin Composite and Method - A metal-resin composite comprises a metal substrate with concavities in the surface, a first coating layer on the surface of the metal substrate, and a second coating layer on the first coating layer. The first coating layer fills the concavities and covers the surface of the substrate. | 12-02-2010 |
20100310924 | ELECTRODE GROUP FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - A positive electrode | 12-09-2010 |
20100316904 | Self flame-retardant lithium ion battery and case thereof made of plastic with helogens - A self flame-retardant lithium ion battery and case thereof formed of plastic with halogens are provided. In one embodiment, the plastic with halogens is selected from the group consisting of PVC (polyvinyl chloride), PVDF (polyvinylidene fluoride), PTFE (polytetrafluoethylene), CPVC (chlorinated polyvinyl chloride), CPE (chlorinated polyethylene), and any combinations thereof. In another embodiment, the plastic with halogens is a mixture of a first material selected from the group consisting of PVC, PVDF, PTFE, CPVC, CPE, and any combinations thereof, and a second material selected from the group consisting of PP (polypropylene), PE (polyethylene), PB (polybutylene), and any combinations thereof. Electrolyte in the battery has hexamethyldisilazane (HMDS). | 12-16-2010 |
20100316905 | SECONDARY BATTERY - A secondary battery including an electrode assembly having a top and a bottom, a case containing the electrode assembly and comprising a bottom plate, wherein the bottom of the electrode assembly is proximate the bottom plate, a cap assembly coupled to the case, and a short induction plate between the electrode assembly and the case, the short induction plate adapted to fracture when the case is compressed to induce a short of the electrode assembly. | 12-16-2010 |
20100323237 | BATTERY CONNECTOR COUPLING - An information handling system (IHS) includes an IHS chassis having a processor and defining a battery housing. An IHS connector is located adjacent the battery housing and is electrically coupled to the processor. A battery is located in the battery housing and includes a battery chassis that houses at least one battery cell. A battery connector is electrically coupled to the at least one battery cell and engages the IHS connector. The battery connector is moveably coupled to the battery chassis through a battery connector coupling that allows the battery connector to move relative to the battery chassis when the battery connector engages the IHS connector. | 12-23-2010 |
20100330412 | Secondary battery - A secondary battery including an electrode assembly, a can including a bottom plate and a sidewall extending from the bottom plate, the can being configured to accommodate the electrode assembly, and an insulating case including a plate-shaped main body facing the electrode assembly and a support part extending from the main body, the insulating case being accommodated in the can, wherein the support part of the insulating case includes at least one support wall bent from the main body. | 12-30-2010 |
20100330413 | METAL-RESIN COMPOSITE AND METHOD - A metal-resin composite comprises a metal substrate with concavities in the surface, a first coating layer on the surface of the metal substrate, a second coating layer on the first coating layer, and a third coating layer on the second coating layer. The first coating layer fills the concavities and covers the surface of the substrate. | 12-30-2010 |
20110003194 | LITHIUM ION BATTERY - A lithium ion battery is disclosed. The lithium ion battery includes a can, an electrode assembly, and a cap assembly. A relatively thin emergency rupture member is formed on (or at) a bottom (or bottom surface) of the can. The emergency rupture member may have a line shape which is spaced apart from and parallel to a long side of the bottom of the can. Alternatively, the emergency rupture member may be formed on (and/or along) the long side of the bottom. | 01-06-2011 |
20110008670 | BATTERY MODULE - A battery module for a rechargeable battery. The battery module has low contact resistance and includes: a plurality of electrode assemblies incorporating a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode; a housing installed with the electrode assembly; and at least one conductive barrier inserted in the housing thereby dividing the space inside the housing, and electrically connecting the plurality of electrode assemblies. | 01-13-2011 |
20110027643 | Button Type Cell Battery with Metallic Framework - A 1.5V Li-FeS | 02-03-2011 |
20110039148 | ALKALINE PRIMARY CELLS - A battery is described. The battery includes an anode, a cathode, a separator disposed between the cathode and the anode, and an electrolyte. The anode further includes manganese. | 02-17-2011 |
20110039149 | ALKALINE PRIMARY CELLS - A battery is described. The battery includes an anode, a cathode, a separator disposed between the cathode and the anode, and an electrolyte. The cathode further includes manganese. | 02-17-2011 |
20110039150 | ALKALINE PRIMARY CELLS - A battery is described. The battery includes an anode, a cathode, a separator disposed between the cathode and the anode, and an electrolyte. The electrolyte further includes manganese. The manganese is selected from the group consisting of: cesium permanganate (CsMnO | 02-17-2011 |
20110045339 | IN-SITU PORE GENERATION IN LEAD-ACID BATTERY SEPARATOR - A microporous polyethylene battery separator material ( | 02-24-2011 |
20110045340 | Secondary battery - A secondary battery including an electrode assembly, and a case, the case including a pair of long side walls facing each other, and a pair of short side walls at ends of the long side walls, and accommodating the electrode assembly in a space defined by the long side walls and the short side walls, each short side wall including a bottom region and a top region, the bottom region and top region each having a thickness, and the thickness of the bottom region being greater than the thickness of the top region. | 02-24-2011 |
20110059350 | ELECTROLYTES FOR LITHIUM SULFUR CELLS - Disclosed is an electrochemical cell comprising a lithium anode and a sulfur-containing cathode and a non-aqueous electrolyte. The cell exhibits high utilization of the electroactive sulfur-containing material of the cathode and a high charge-discharge efficiency. | 03-10-2011 |
20110059351 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery comprising a positive electrode plate containing a positive electrode active material, a negative electrode plate containing a negative electrode active material, a separator, an electrolyte, and a battery can for enclosing these, wherein the positive electrode active material comprises manganese spinel and a layer-type lithium manganese oxide, and the electrolyte comprises vinylene carbonate and unsaturated sultone. | 03-10-2011 |
20110064994 | POWER SUPPLY ASSEMBLY - A power supply assembly composed of an electric storage device and an electric energy conversion device. The electric storage device includes two electrodes. The electric energy conversion device includes at least one lithium iron phosphate battery. The at least one battery is electrically connected with the electrodes. In light of this, the power supply assembly can have denser electric storage and higher discharge rate, such that power supply assembly can discharge stably, have a longer working life, and have preferable discharging effect under the low-temperature environment. | 03-17-2011 |
20110070481 | PROTECTIVE MATERIAL AND ENERGY STORAGE MODULE USING THE SAME - The present invention provides a protective material, which includes an acidic material and an absorbent additive. An alkaline electrolyte will be neutralized by the acidic material, and water produced from the neutralization reaction of the acidic material and the alkaline electrolyte will be absorbed by the absorbent additive. In addition, the present invention also discloses an energy storage module using the same. | 03-24-2011 |
20110076548 | SECONDARY BATTERY - A secondary battery is disclosed. In one embodiment, the battery includes an electrode assembly having a diameter of L | 03-31-2011 |
20110086260 | THIN HOUSING FILM FOR ELECTROCHEMICAL ELEMENTS - A housing film for electrochemical elements includes a barrier layer having a polymeric structure which has been deposited from the gas phase on to a support layer, an electrochemical element which has at least one positive electrode and at least one negative electrode and has at least one such film. A process for producing the electrochemical element includes steps wherein at least two electrodes are applied next to one another on a substrate and are covered with a film, where the substrate and/or the film is such a housing film. | 04-14-2011 |
20110091764 | POUCH-TYPE SECONDARY BATTERY - A pouch-type secondary battery including: an electrode assembly having a first electrode plate, a second electrode plate, and a separator disposed therebetween; and a pouch case including a first case part having a pouch to house the electrode assembly, a second case part disposed over an open end of the pouch, and sealing portions to seal the second case part to the first case part. The sealing portions include wing portions that are bent to cover opposing sides of the pouch, and bent portions that are bent from the wing portions, to cover a bottom surface of the pouch. | 04-21-2011 |
20110097621 | PROTECTIVE COVER ASSEMBLY FOR BATTERY CONTACTS - A protective cover assembly is used for a battery. The battery includes a plurality of contacts. The protective cover assembly includes a door frame and a slidable door. The door frame is formed on the battery adjacent to the contacts. The slidable door is slidably received in the door frame. The slidable door can be slid along the door frame. The contacts are covered or exposed by the slidable door depending upon the position of the slidable door. | 04-28-2011 |
20110097622 | RECHARGEABLE BATTERY - A rechargeable battery that includes: an electrode assembly generating a current; a case accommodating the electrode assembly therein; and a cap assembly coupled to the case so as to be electrically connected with the electrode assembly. The electrode assembly includes a first electrode, a separator, and a second electrode that are sequentially stacked, and the separator includes a main body part disposed between the first and second electrodes and protrusions formed that protrude from the main body part to the side of at least one of an end portion of the first electrode and an end portion of the second electrode. | 04-28-2011 |
20110097623 | SMALL-SCALE BATTERIES AND ELECTRODES FOR USE THEREOF - The present invention generally relates to batteries or other electrochemical devices. In some embodiments, the present invention relates to small-scale batteries or microbatteries. For example, in one aspect of the invention, a battery may have a volume of no more than about 5 mm3, while having an energy density of at least about 400 Wh/l. Other aspect of the invention is directed to techniques of packaging such batteries. | 04-28-2011 |
20110097624 | REDOX ELECTRODES FOR FLEXIBLE DEVICES - Flexible electrodes comprising: a fabric substrate; a conductive polymer, copolymer or mixture of conductive polymers comprising a first component which has high specific electrochemical capacitance, and a second component which has a lower electrochemical capacitance, lower molecular density, and greater electrical conductivity compared to the first component; and a counterion stable to lithium are described. The first component may be a polymer such as polyaniline or polypyrrole, and second component may be a polymer such as polythiophene or polyEDOT. Copolymers, and polymers formed from co-monomer of these monomer units are also described. The electrodes are used in flexible devices such as flexible energy storage devices. | 04-28-2011 |
20110104558 | Electric Storage Battery Support Apparatus - An apparatus for supporting a battery comprises a tray including a support surface, a recess having a elevation that is lower than an elevation of the support surface, ribs located in the recess and extending to the elevation of the support surface, thermal insulation supported on the ribs and the upper surface, and a battery contacting the insulation and supported on the ribs and the support surface. | 05-05-2011 |
20110104559 | Secondary battery - A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film between the current collectors and the case, the insulating film including a recess corresponding to a shape of at least one of the current collectors and the electrode assembly to offset a vibration of the current collectors with respect to the case. | 05-05-2011 |
20110104560 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery, having an internal resistance of 10 mΩ or less as an alternating-current impedance value of 1 kHz, comprises a metal outer container, a nonaqueous electrolyte contained in the container, a positive electrode contained in the container, a negative electrode contained in the container, a separator interposed between the negative electrode and the positive electrode, a negative electrode lead having one end connected to the negative electrode, and a negative electrode terminal attached to the outer container so as to be connected electrically to the other end of the negative electrode lead, at least the surface of the negative electrode terminal which is connected to the negative electrode lead being formed of aluminum alloy with an aluminum purity of less than 99 wt. % containing at least one metal selected from the group consisting of Mg, Cr, Mn, Cu, Si, Fe and Ni. | 05-05-2011 |
20110111283 | THREE-DIMENSIONAL BATTERIES AND METHODS OF MANUFACTURING THE SAME - Various methods and apparatus relating to three-dimensional battery structures and methods of manufacturing them are disclosed and claimed. In certain embodiments, a three-dimensional battery comprises a battery enclosure, and a first structural layer within the battery enclosure, where the first structural layer has a first surface, and a first plurality of conductive protrusions extend from the first surface. A first plurality of electrodes is located within the battery enclosure, where the first plurality of electrodes includes a plurality of cathodes and a plurality of anodes, and wherein the first plurality of electrodes includes a second plurality of electrodes selected from the first plurality of electrodes, each of the second plurality of electrodes being in contact with the outer surface of one of said first plurality of conductive protrusions. Some embodiments relate to processes of manufacturing energy storage devices with or without the use of a backbone structure or layer. | 05-12-2011 |
20110111284 | ACTIVATED CARBON FOR ELECTROCHEMICAL ELEMENT AND ELECTROCHEMICAL ELEMENT USING THE SAME - Van der Waals molecular diameters of a cation, an anion, and a solvent contained in an electrolytic solution are denoted by Lc, La, and Ls, respectively. The minimum widths of van der Waals molecules of the cation, anion, and solvent are denoted by Lmin,c, Lmin,a, and Lmin,s, respectively. The maximum values of Lc, La, Ls, Lmin,c, Lmin,a, and Lmin,s is denoted by W1. The minimum values of (Lc+La), (Lc+Ls), (La+Ls), (Lmin,c+Lmin,a), (Lmin,c+Lmin,s), and (Lmin,a+Lmin,s) is denoted by W2. Under these definitions, the total pore volume of the activated carbon in which a slit width obtained by the MP method is W1 or more and W2 or less is 15% or more of the total pore volume in which the slit width is 2.0 nm or less. | 05-12-2011 |
20110117421 | Secondary battery - A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case. | 05-19-2011 |
20110117422 | ELECTROLYTE COMPRISING EUTECTIC MIXTURE AND ELECTROCHEMICAL DEVICE EQUIPPED WITH SAME - An electrolyte includes (a) a eutectic mixture of an alkoxy alkyl group-containing amide compound and an ionizable lithium salt; and (b) a carbonate-based compound. The electrolyte has excellent thermal and chemical stability and exhibits a low lowest limit of electrochemical window. Also, the electrolyte shows low viscosity and high ion conductivity, so it may be usefully applied as an electrolyte of electrochemical devices using various anode materials. | 05-19-2011 |
20110129723 | ALL-SOLID-STATE LITHIUM SECONDARY BATTERY - A safe and highly-reliable all-solid-state lithium secondary battery using a sulfide-based solid electrolyte material which can restrain generation of hydrogen sulfide gas, in case a large amount of water is entered into a battery case by an accident such as submersion associated with a breakage of the container. An all-solid-state lithium secondary battery using a sulfide-based solid electrolyte material, wherein the battery has a metal salt M-X comprising a metal element “M” and an anionic part “X” in a battery case thereof, and further wherein a metal cation of the metal salt M-X generated by disassociation caused with water can react with a sulfide ion generated by a reaction between the sulfide-based solid electrolyte material and the water. | 06-02-2011 |
20110135998 | Secondary Battery - A secondary battery includes a case comprising a body having a cavity and a cover sealed to the body; and an electrode assembly in the cavity, the electrode assembly including a first electrode plate having a coated portion coated with a first active material and an uncoated portion not coated with the first active material; a second electrode plate having a coated portion coated with a second active material; and a separator between the first electrode plate and the second electrode plate, wherein the first electrode plate, the second electrode plate and the separator are stacked together, and wherein the first electrode plate and the second electrode plate have substantially the same surface area. | 06-09-2011 |
20110135999 | RECHARGEABLE BATTERY - A rechargeable battery includes a case; an electrode assembly housed in the case, wherein the electrode assembly includes a first electrode, a second electrode and a separator between the first electrode and the second electrode; and a support plate between the electrode assembly and the case, the support plate having a first conductive plate electrically coupled to the electrode assembly; wherein an insulation layer is between the first conductive plate and the electrode assembly and wherein an adhesive section is between the insulation layer and the first conductive plate. | 06-09-2011 |
20110136000 | Rechargeable Battery - A rechargeable battery includes: a case; an electrode assembly housed in the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode having a coated portion coated with a first active material and an uncoated portion absent the first active material; a safety assembly including a first electric conductive plate and a first supporting protrusion extending from the first electric conductive plate and physically coupled to the uncoated portion; a current collecting tab electrically coupling the electrode assembly with the terminal and physically coupled to the uncoated portion; and a first auxiliary plate physically coupled to the uncoated portion at a surface of the uncoated portion opposite to where the first supporting protrusion is physically coupled to the uncoated portion. | 06-09-2011 |
20110136001 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY USING THE SAME - A negative electrode active material which is low-cost and has a high energy density, and a lithium ion secondary battery using such a negative electrode active material are provided. The lithium ion secondary battery uses, as the negative electrode active material, an orthorhombic-system metal composite oxide represented by the formula A | 06-09-2011 |
20110143191 | Secondary battery - A secondary battery including a can for accommodating an electrode assembly, the can having an opening at one side thereof; a cap assembly for sealing the opening of the can; an insulation case between the electrode assembly and the cap assembly, the insulation case being disposed in an upper portion of the can; and an insertion guide protruding from an outer surface of the insulation case, and having a lower portion facing the can, the lower portion being inclined at a predetermined angle relative to the outer surface the insulation case. | 06-16-2011 |
20110143192 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY USING THE SAME - A negative electrode active material which is low-cost, and has a high energy density, and a lithium ion secondary battery using such a negative electrode active material are provided. The lithium ion secondary battery which is low-cost, and has both a high energy density and high reliability can be obtained by using a negative electrode active material made of metal composite oxide represented by the formula A | 06-16-2011 |
20110151318 | Secondary battery - A secondary battery including an electrode assembly, the electrode assembly including electrode plates and a separator interposed between the electrode plates, at least one of the electrode plates including a coated part, the coated part including a metallic plate having an active material coated thereon, and an uncoated part, the uncoated part including a metallic plate without active material coated thereon, the uncoated part including a folding line in the uncoated part, and a folding part with an end portion folded with respect to the folding line; and a current collector electrically contacting the folding part. | 06-23-2011 |
20110165453 | NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY AND POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY - A nonaqueous electrolytic secondary battery and a positive electrode for a nonaqueous electrolytic secondary battery are provided. The positive electrode includes a positive electrode active material layer containing a positive electrode active material and a coupling agent represented by a general formula (1). The positive electrode active material includes lithium transition metal oxide particles. At least one rare-earth compound selected from the rare-earth compound group consisting of specific rare-earth hydroxides and specific rare-earth oxyhydroxides is fixed on the surfaces of the lithium transition metal oxide particles in a dispersed form. | 07-07-2011 |
20110165454 | BATTERY PACK - A battery pack | 07-07-2011 |
20110171517 | TEARABLE BATTERY TUBING AND BATTERY WRAPPED WITH THE SAME - A battery tubing according to the present invention is provided. The battery tubing is hollow and shrinkable. The battery tubing has at least one perforation line and a user can easily tear the battery tubing along the perforation line. The present invention further provides a battery wrapped with the above battery tubing. | 07-14-2011 |
20110171518 | Three dimensional Battery Architectures and Methods of Making Same - A three-dimensional electrode structure for use in a battery comprising a porous three-dimensional substrate formed from a first electrically conductive material, an ion-conducting dielectric material disposed on the porous three dimensional substrate, and a second electrically conductive material disposed on the ion-conducting dielectric material, wherein the ion-conducting dielectric material separates the first electrically conductive material from the second electrically conductive material. | 07-14-2011 |
20110171519 | METHOD FOR PRODUCING DIFLUOROPHOSPHATE, NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a simple method for producing a difluorophosphate from a source material, the difluorophosphate being useful as additives for nonaqueous electrolyte solutions for secondary batteries. In the method, a source material containing a carbonate and/or a borate is allowed to react with a source gas which contains P and F and which may further contain O as required. The source material may contain lithium carbonate. The source gas may be produced by decomposing LiPF | 07-14-2011 |
20110177385 | CURRENT COLLECTOR FOR AN ELECTROCHEMICAL CELL - A current collector ( | 07-21-2011 |
20110183189 | EXTENDED RANGE ELECTRIC VEHICLE BATTERY CELL PACKAGING FOR POUCH DESIGN - A package for a battery cell is disclosed. The package includes a first sheet having a coating layer disposed thereon, a second sheet having a coating layer disposed thereon, the first sheet and the second sheet cooperating to form a cavity to receive the battery cell therein, and a frame disposed adjacent a portion of at least one of the first sheet and the second sheet, wherein the frame is coupled to at least one of the first sheet and the second sheet. | 07-28-2011 |
20110183190 | Case for a secondary battery and manufacturing method thereof - A case for a secondary battery and a manufacturing method thereof, the case including a body formed of a conductive material, the body accommodating an electrode assembly; and a crystal barrier type oxide film on a surface of the body. | 07-28-2011 |
20110200868 | THIN-FILM BATTERIES WITH POLYMER AND LiPON ELECTROLYTE LAYERS AND METHOD - A method and apparatus for making thin-film batteries having composite multi-layered electrolytes with soft electrolyte between hard electrolyte covering the negative and/or positive electrode, and the resulting batteries. In some embodiments, foil-core cathode sheets each having a cathode material (e.g., LiCoO | 08-18-2011 |
20110200869 | LITHIUM SECONDARY BATTERY AND METHOD FOR FABRICATING THE SAME - An electrode group | 08-18-2011 |
20110206980 | ENERGY STORAGE DEVICE AND SYSTEM - An energy storage device includes a housing having an interior surface defining a volume and a plurality of solid electrolyte elements disposed in the volume. Each solid electrolyte element has a first surface that defines at least a portion of a first, cathodic chamber, and a second surface that defines a second, anodic chamber. A plurality of individual anodic chambers are thus provided, at least one of which is evacuated below atmospheric pressure. A majority of anodic chambers can be spaced from one another in a manner that provides a substantially uniform reaction rate throughout the cathodic chamber. The housing and the plurality of solid electrolyte elements together may be configured to define a second volume devoid of solid electrolyte elements and that is sufficient in size to accommodate a desired number of solid electrolyte elements and to provide an accessible cathodic chamber filling point and that is further sufficient in size to alter the volume of the cathodic chamber with respect to the volume of the plurality of anodic chambers to achieve a desired volumetric ratio between the cathodic and anodic chambers. | 08-25-2011 |
20110206981 | LITHIUM SECONDARY BATTERY - A lithium secondary battery includes a positive electrode in which a positive electrode mixture layer including a positive electrode binder and a positive electrode active material containing particles of a lithium transition metal composite oxide represented by a chemical formula Li | 08-25-2011 |
20110206982 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery is provided. The lithium ion secondary battery generally comprises an electrode assembly, a container for accommodating the electrode assembly; and an electrolyte. The electrode assembly comprises two electrodes having opposite polarities and a separator. The separator comprises a porous membrane comprising clusters of ceramic particles. The porous membrane is formed by bonding the particle clusters with a binder. Each particle cluster is formed either by sintering or by dissolving and re-crystallizing all or a portion of the ceramic particles. The ceramic particles comprise a ceramic material having a band gap. Each particle cluster may have the shape of a grape bunch or a lamina, and may be formed by laminating scale or flake shaped ceramic particles. | 08-25-2011 |
20110217588 | SECONDARY BATTERY AND METHOD OF FABRICATING OF THE SECONDARY BATTERY - Disclosed is a secondary battery which includes an electrode assembly comprising inner stacked electrodes and at least one outermost electrode positioned on at least one end of the inner stacked electrodes; and a case configured to house the electrode assembly. Herein, the at least one outermost electrode comprise an inactive material. | 09-08-2011 |
20110223469 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A positive electrode active material with least part of a surface coated with a surface treatment layer composed of a phosphate compound. The phosphate compound contains at least one element selected from the group consisting of neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. | 09-15-2011 |
20110223470 | Composite Current Collector for Electrochemical Cell - Composite current collectors containing coatings of metals, alloys or compounds, selected from the group of Zn, Cd, Hg, Ga, In, Tl, Sn, Pb, As, Sb, Bi and Se on non-metallic, non-conductive or poorly-conductive substrates are disclosed. The composite current collectors can be used in electrochemical cells particularly sealed cells requiring a long storage life. Selected metals, metal alloys or metal compounds are applied to polymer or ceramic substrates by vacuum deposition techniques, extrusion, conductive paints (dispersed as particles in a suitable paint), electroless deposition, cementation; or after suitable metallization by galvanic means (electrodeposition or electrophoresis). Metal compound coatings are reduced to their respective metals by chemical or galvanic means. The current collectors described are particular suitable for use in sealed primary or rechargeable galvanic cells containing mercury-free and lead-free alkaline zinc electrodes. | 09-15-2011 |
20110229755 | HYDROGEN STORAGE ALLOY FOR ALKALINE STORAGE BATTERY, AND ALKALINE STORAGE BATTERY AND ALKALINE STORAGE BATTERY SYSTEM EACH INCLUDING NEGATIVE ELECTRODE HAVING THE ALLOY - To provide a hydrogen storage alloy for an alkaline storage battery that improves output power by pulverization of the alloy in the initial stage of partial charge and discharge cycles and that maintains its surface condition to improve the amount of lifetime work (Wh), and an alkaline storage battery and battery system. A hydrogen storage alloy for an alkaline storage battery includes a composition expressed by La | 09-22-2011 |
20110236746 | BATTERY OUTER LABEL AND BATTERY PROVIDED WITH THE SAME - A battery outer label | 09-29-2011 |
20110236747 | COMPOSITE MATERIAL FOR NEGATIVE ELECTRODE, METHOD FOR FABRICATING THE SAME AND ELECTROCHEMICAL DEVICE USING THE SAME - The present invention relates to a composite material for a negative electrode, including: a plurality of iron oxide particles; and a conductivity improver, which is selected form the group consisting of copper, cobalt, nickel, tin, antimony, bismuth, indium, silver, gold, lead, cadmium, carbon black, graphite, copper salt, cobalt salt, nickel salt, tin salt, antimony salt, bismuth salt, indium salt, silver salt, gold salt, lead salt, cadmium salt, copper hydroxide, cobalt hydroxide, nickel hydroxide, stannic hydroxide, antimony hydroxide, bismuth hydroxide, indium hydroxide, silver hydroxide, gold hydroxide, lead hydroxide, cadmium hydroxide and the combination thereof. In the case of applying the composite material for a negative electrode according to the present invention in an electrochemical device, the improved charge/discharge characteristics and high capacity can be achieved. In addition, the present invention further provides a method for fabricating the above-mentioned composite material for a negative electrode and an electrochemical device using the same. | 09-29-2011 |
20110236748 | CURRENT COLLECTOR FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, ELECTRODE, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING THE SAME - A current collector includes a metal foil with a plurality of through-holes formed therein. The metal foil is divided into two regions of: a distant region distant from a connection portion to be connected to an external terminal; and a close region being close to the connection portion and having the same area as the distant region. The open area ratio of the distant region of the metal foil is larger than that of the close region. Thus, the electrical resistance of the close region is smaller than that of the distant region. Therefore, production of heat in the close region due to passage of current can be suppressed. | 09-29-2011 |
20110244311 | BATTERY COVER LATCHING MECHANISM AND PORTABLE ELECTRONIC DEVICE USING SAME - A battery cover latching mechanism and a portable electronic device using the same are provided. The battery cover latching mechanism detachably locks a battery cover to the housing and includes an assembly portion, a locking assembly and a lock portion. The locking assembly is mounted to the assembly portion of the housing and includes an elastic piece and a latching member. The elastic piece is assembled within the receiving slot. The latching member is elastically and releasably assembled within the receiving slot by the elastic piece for locking or releasing the battery cover. The locking portion is formed on the battery cover and locked by the latching member. | 10-06-2011 |
20110244312 | STACK TYPE BATTERY - In a stack type battery, stacked positive and negative electrode lead tabs ( | 10-06-2011 |
20110244313 | Fluorinated Cyclic Carbonates and Compositions Thereof - Novel fluorinated cyclic carbonate compounds are described. These compounds may be useful as non-aqueous electrolyte solvents, specialty solvents, and starting materials and intermediates for synthesis of dyes, agricultural chemicals, and pharmaceuticals. | 10-06-2011 |
20110244314 | SECONDARY BATTERY - A secondary battery includes: a case; an electrode assembly housed in the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode having a coating portion coated with a first active material and a non-coating portion absent the first active material; and a collector plate including first and second collector plates enmeshed together with the non-coating portion therebetween. | 10-06-2011 |
20110250488 | SECONDARY BATTERY - Battery modules have a plurality of electrode assemblies in which the electrode tabs of electrode assemblies are easily attached to the battery cases by a common insulator including receptacles for receiving the electrode assemblies. These configurations enable easy manufacture of medium- and large-sized battery modules with a plurality of electrode assemblies. In some embodiments, a battery module includes an insulator capable of mounting a plurality of electrode assemblies and receptacles in the insulator for receiving a portion of each electrode assembly. | 10-13-2011 |
20110250489 | BATTERY PACK - A battery pack that includes a case and a bare cell. The battery pack further includes a screw for combining the case and the bare cell to each other. The screw includes: a head portion having a screw groove formed in a first surface thereof; a body portion disposed on a second surface of the head portion and including a screw thread; and a connection portion disposed between the head portion and the body portion, wherein a thickness of the head portion is within 0.3 to 1 mm. | 10-13-2011 |
20110250490 | High Discharge Capacity Lithium Battery - A lithium/iron disulfide electrochemical battery cell with a high discharge capacity. The cell has a lithium negative electrode, an iron disulfide positive electrode and a nonaqueous electrolyte. The positive electrode mixture containing the iron disulfide contains highly packed solid materials, with little space around the solid particles, to provide a high concentration of iron disulfide within the mixture. The separator is thin, to allow more space within the cell for active materials, yet strong enough to prevent short circuits between the positive and negative electrodes under abusive conditions, even when swelling of the cathode during cell discharge places additional stressed on the separator. As a result, the ratio of the interfacial capacity of the positive electrode to the electrode interfacial volume is high, as is the actual capacity on low rate/low power and high rate/high power discharge. | 10-13-2011 |
20110256446 | BATTERY CELL ASSEMBLIES - A battery cell assembly in accordance with an exemplary embodiment is provided. The assembly includes a first frame member having a first plurality of tabs extending away from a first peripheral edge of the first frame member. Each tab of the first plurality of tabs has a first coupling feature at a distal end of the respective tab. The assembly further includes a second frame member having a plurality of slots extending into a second peripheral edge of the second frame member. The assembly further includes a battery cell disposed between the first and second frame members, and each first coupling feature of each tab of the first plurality of tabs is configured to engage a respective slot of the plurality of slots of the second frame member to fixedly hold the first and second frame members together. | 10-20-2011 |
20110262801 | MOUNTING ARRANGEMENT FOR A BATTERY PACK - A mounting arrangement for a battery pack in a vehicle including the battery pack and a vehicle body, the battery pack including a housing having a hollow interior and a battery assembly disposed in the hollow interior of the housing, wherein the battery assembly includes at least one battery cell and a plurality of rails coupled thereto, and the vehicle body including support rails and a compartment formed therein to receive the battery pack therein, wherein the compartment of the vehicle body supports the housing and the support rails support the rails of the battery assembly to divide a vertical load of the battery pack. | 10-27-2011 |
20110269012 | GALVANIC ELEMENT WITH COMPOSITE OF ELECTRODES, AND SEPARATOR FORMED BY AN ADHESIVE - An electrochemical element includes at least one individual cell having electrodes arranged on a sheet-like separator, wherein the electrodes have been applied to the separator by at least one adhesive. | 11-03-2011 |
20110274965 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a solvent, an electrolyte salt, and at least one of heteropolyacid salt compounds represented by the following formulae (I) and (II): H | 11-10-2011 |
20110274966 | NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - An exemplary embodiment of the invention provides a nonaqueous electrolytic solution secondary battery in which capacity deterioration associated with a charge/discharge cycle at a high temperature (45° C. or higher) can be prevented. An exemplary embodiment of the invention is a nonaqueous electrolytic solution secondary battery, comprising an electrode element in which a cathode and an anode are stacked, a nonaqueous electrolytic solution which contains at least one of carbonate solvent, and a gel in an outer packaging body; wherein the anode comprises a silicon oxide represented by SiO | 11-10-2011 |
20110281153 | BATTERY - A battery includes at least one positive pole film, at least one negative pole film, at least one isolation membrane, a positive pole clamp, a negative pole clamp, a positive conducting pole, a negative conducting pole, a shell and an electrolyte. The positive pole film includes a positive pole material film and a bare aluminum zone, and the negative pole film includes a negative pole material film and a bare copper zone. The negative pole material film overlaps the positive pole material film, and the isolation membrane is disposed between the pole films to isolate the negative pole material film from the positive pole material film. The positive pole clamp clamps the bare aluminum zone, and the negative pole clamp clamps the bare copper zone. The positive conducting pole is welded to the positive pole clamp, and the negative conducting pole is welded to the negative pole clamp. | 11-17-2011 |
20110281154 | MATERIALS FOR ELECTROCHEMICAL DEVICE SAFETY - An electrochemical device includes a thermally-triggered intumescent material or a gas-triggered intumescent material. Such devices prevent or minimize short circuits in a device that could lead to thermal run-away. Such devices may include batteries or supercapacitors. | 11-17-2011 |
20110287302 | SECONDARY BATTERY - A secondary battery is disclosed. In one embodiment, the battery includes i) an electrode assembly, ii) an electrolyte, iii) a tape attached to at least part of an outer surface of the electrode assembly and iv) a case accommodating the electrode assembly, electrolyte and tape. The tape includes a base layer, and wherein at least a portion of the base layer is configured to exhibit an adhesive property when contacting the electrolyte so as to contact an inner surface of the case. | 11-24-2011 |
20110287303 | Electrode assembly, rechargeable battery including the same, and method of manufacturing an electrode thereof - An electrode assembly, a rechargeable battery including the same, and a method of manufacturing an electrode thereof, the electrode assembly including a first electrode, the first electrode including a mesh-type first electrode current collector having a plurality of pores, and a first electrode active material layer adhered to the first electrode current collector, wherein an edge active material layer protrudes from a side of the first current collector; a second electrode including a second electrode current collector, and a second electrode active material layer adhered to the second electrode current collector; and a separator interposed between the first and second electrodes. | 11-24-2011 |
20110287304 | RECHARGEABLE ELECTROCHEMICAL BATTERY CELL - Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte is based on SO2 and the positive electrode contains an active material in the composition LixM′yM″z(XO4)aFb, wherein
| 11-24-2011 |
20110287305 | ELECTROCHEMICAL CELL, COMPONENTS THEREOF, AND METHODS OF MAKING AND USING SAME - An electrochemical cell including at least one nitrogen-containing compound is disclosed. The at least one nitrogen-containing compound may form part of or be included in: an anode structure, a cathode structure, an electrolyte and/or a separator of the electrochemical cell. Also disclosed is a battery including the electrochemical cell. | 11-24-2011 |
20110287306 | BATTERY LOADING AND UNLOADING MECHANISM - In a battery loading and unloading mechanism, a battery formed in a flat rectangular parallelepiped and having an almost square main surface is loaded and unloaded to and from a device. The battery is formed with projecting portions at longitudinal both ends of a back surface thereof and along the back surface, whereby the battery can be prevented from being erroneously inserted into the device. The projecting portion has an inclined surface acutely inclined with respect to the back surface, and when the battery is unloaded from the device, unloading of the battery from the device is accelerated by the inclined surface undergoing contact pressure of the retaining means. The device is formed with a notched portion which is adapted to expose the other projecting portion of the battery when the battery is loaded, thereby facilitating unloading of the battery. | 11-24-2011 |
20110287307 | Alkaline Electrochemical Cell with a Blended Zinc Powder - An electrochemical cell with a blended zinc powder is disclosed. The blended zinc powder includes selected portions of a first zinc powder and a second zinc powder. In a preferred embodiment, the first and second powders are divided into groups based on ranges in their particle size distribution. Particle characteristics such as roughness and elongation are used to selected groups of both powders that are combined to produce the blended zinc powder. The blended zinc powders enable battery manufacturers to maximize the cell's run time while minimizing the cost of the zinc. | 11-24-2011 |
20110311860 | NONAQUEOUS ELECTROLYTE BATTERY AND NONAQUEOUS ELECTROLYTE - A nonaqueous electrolyte battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte containing a solvent and an electrolyte salt, wherein the nonaqueous electrolyte contains a silyl compound represented by the following formula (1) | 12-22-2011 |
20110318633 | RECHARGEABLE BATTERY - A rechargeable battery, including a first electrode including a first metal plate, a first coated region where a first material is applied onto the first metal plate, and a first uncoated region, the first metal plate having a first thickness in the first uncoated region and a second thickness in the first coated region, the first thickness being greater than the second thickness, a second electrode including a second metal plate, a second coated region where a second material is applied onto the second metal plate, and a second uncoated region, a separator between the first electrode and the second electrode, a case housing the first electrode, the separator, and the second electrode, and a current collecting plate connected to the first uncoated region through a side thereof. | 12-29-2011 |
20120003527 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery, having an internal resistance of 10 mΩ or less as an alternating-current impedance value of 1 kHz, comprises a metal outer container, a nonaqueous electrolyte contained in the container, a positive electrode contained in the container, a negative electrode contained in the container, a separator interposed between the negative electrode and the positive electrode, a negative electrode lead having one end connected to the negative electrode, and a negative electrode terminal attached to the outer container so as to be connected electrically to the other end of the negative electrode lead, at least the surface of the negative electrode terminal which is connected to the negative electrode lead being formed of aluminum alloy with an aluminum purity of less than 99 wt. % containing at least one metal selected from the group consisting of Mg, Cr, Mn, Cu, Si, Fe and Ni. | 01-05-2012 |
20120009463 | CASE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME - A case for a secondary battery and a secondary battery including the same, the case including a case body, the case body having bottom and a space for receiving an electrode assembly; and a shock-absorbing cap, the shock-absorbing cap having a bottom and an edge extending from the bottom of the shock-absorbing cap, the edge being coupled to the bottom of the case body, wherein the shock-absorbing cap includes a sub-shock absorber, the sub-shock absorber being configured to distribute and transmit shock applied to the bottom of the shock-absorbing cap. | 01-12-2012 |
20120009464 | MATERIAL FOR METAL CASE OF SECONDARY BATTERY USING NON-AQUEOUS ELECTROLYTE, METAL CASE, SECONDARY BATTERY, AND PRODUCING METHOD OF MATERIAL FOR METAL CASE - The material for metal cases of secondary batteries using a non-aqueous electrolyte includes a steel sheet; and a plated layer that has a Ni layer, and a Cu—Ni layer, which is disposed between the Ni layer and the steel sheet and is in contact with the Ni layer, and is in contact with the steel sheet. | 01-12-2012 |
20120015237 | SECONDARY BATTERY - An Example relates to a secondary battery including an electrode assembly and an electrolyte contained in a can. The electrode assembly includes an anode plate, a cathode plate and a separator. The electrolyte contains an organic solvent and a lithium salt at a concentration of about 0.5 M to about 1 M in the organic solvent. | 01-19-2012 |
20120015238 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - There is provided a non-aqueous electrolyte secondary cell that exhibits excellent cycle characteristics over a wide temperature range from low to high temperature. This object can be realized by adopting the following configuration. | 01-19-2012 |
20120021275 | Prismatic type secondary battery including insulation tube - A prismatic type secondary battery including an electrode assembly, the electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case accommodating the electrode assembly, the case having an open upper end and at least two pairs of surfaces facing each other; a cap assembly sealing the open upper end of the case; and an insulation tube surrounding a lateral periphery of the case and the cap assembly within a region up to a certain height or greater, the insulation tube including at least one elasticity part at a side thereof. | 01-26-2012 |
20120021276 | SECONDARY BATTERY CELL - The present invention is a secondary battery, including: an electrode group that includes a positive electrode and a negative electrode, an electrolyte, and a battery cell container that contains the electrode group and the electrolyte and that is sealed, wherein: an adhesive layer for trapping foreign matter present inside the battery cell container is disposed in the battery cell container by exposing at least part of the adhesive layer so as to allow the adhesive layer to come into contact with the electrolyte. | 01-26-2012 |
20120028108 | ACTIVE MATERIAL FOR BATTERY, NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, there is provided an active material for a battery. The active material comprises a monoclinic β-type titanium composite oxide which contains fluorine. | 02-02-2012 |
20120028109 | ELECTROCHEMICAL DEVICE - In an electrochemical device having an element main body | 02-02-2012 |
20120028110 | BUTTON CELL WITHOUT FLANGING AND METHOD OF MAKING SAME - A method for producing a button cell with a housing includes a cell cup with a base region, a lateral region, an edge region lying therebetween and a cut edge, and a cell cover with a cover region, a lateral region, an edge region lying therebetween and a cut edge, connected to one another via a seal. The method includes at least applying the seal to the lateral region, inserting the cell cover with the seal into the cell cup, wherein a region is formed in which the lateral regions and overlap one another, and exerting a pressure on the lateral region of the cell cup. The heights of the lateral regions and are matched to one another such that the cut edge is pressed against the lateral region by pressure. The cell cup of button cells have an inner radius which is essentially constant in the region in the direction of the cut edge. | 02-02-2012 |
20120034510 | BATTERY AND METHOD FOR PRODUCING THE SAME - A method for producing a battery includes forming a space by expanding a liquid housing portion, the liquid housing portion being present at one end of an outer package that houses a battery element, through supply of gas from an opening portion formed at the other end of the outer package; injecting an electrolytic solution from the opening portion to store the electrolytic solution in the space of the liquid housing portion; degassing the outer package through the opening portion in a vacuum state; sealing the opening portion; and impregnating the electrolytic solution into the battery element. | 02-09-2012 |
20120034511 | SEALED BATTERY - A sealed battery with an electrode assembly and electrolyte enclosed in a battery case is provided, where a connection member can be attached to the battery case without requiring large space while avoiding increasing the length of the lead wire. The sealed battery includes: a battery case enclosing an electrode assembly and electrolyte, for serving as a terminal of one polarity of the electrode assembly; an external terminal provided on the battery case in such a way that it is electrically insulated from the battery case, for serving as a terminal of another polarity of the electrode assembly; and a sealant member for sealing a fill port for the electrolyte provided side by side with the external terminal on the battery case. A connection member to which a lead wire is to be connected is provided on the battery case to cover at least part of the sealant member. | 02-09-2012 |
20120034512 | LITHIUM ALLOY-CARBON COMPOSITE NANOFIBERS AND METHODS OF FABRICATION - A carbon/nanoparticle nanofiber includes a carbon base structure and a plurality of nanoparticles that include a lithium alloy or a lithium alloy precursor. One or more nanofibers may be formed into a nonwoven fabric. The fabric may be utilized as an electrode, such as for example in a battery. The carbon/nanoparticle composite nanofiber may be fabricated by forming a polymer/nanoparticle nanofiber, such as for example by a spinning technique, and carbonizing the polymer/nanoparticle nanofiber. | 02-09-2012 |
20120045687 | NEGATIVE ACTIVE MATERIALS, LITHIUM ION BATTERIES, AND METHODS THEREOF - Methods of preparing negative active materials and negative active materials are provided herein. The preparation methods include: A) mixing a carbon material, an organic polymer, a Sn-containing compound—optionally with water—to obtain a mixed solution system; B) adding a complexing agent into the mixed solution system obtained in step A optionally while stirring to form an intermediate solution; C) adding a reducing agent into the intermediate solution obtained in step B to a reaction product; D) optionally filtering, washing and then drying the reaction product to obtain the negative active material. | 02-23-2012 |
20120058387 | ELECTRODE ASSEMBLY HAVING BENDING PORTIONS AND SECONDARY BATTERY INCLUDING THE SAME - A secondary battery having positive and negative electrode plates inserted into the interior of a pouch, and positive and negative electrode active material layers respectively coated on the positive and negative electrode plates are arranged at a constant interval. Bending portions are provided to bend positive and negative electrode non-coating portions respectively not coated with the positive and negative electrode active material layers. | 03-08-2012 |
20120064389 | SECONDARY BATTERY - A secondary battery includes an electrode assembly; a can having an opening configured to receive the electrode assembly, wherein the can includes a first stepped portion and a second stepped portion on an inner surface adjacent to the opening and wherein the first and second stepped portions have different depths; a cap assembly comprising a cap plate hermetically sealing the opening of the can; and an insulation case located between the electrode assembly and the cap assembly. | 03-15-2012 |
20120064390 | LITHIUM ION BATTERY ELECTROLYTE AND LITHIUM BATTERY HAVING THE SAME - Electrolytes of lithium ion batteries of the present disclosure comprise: a lithium salt, a non-aqueous solvent, and an additive. The additive further comprises a first and second compound. The first compound is a 4 X1, 5 R1 [1,3]dioxolan-2-one, wherein X1 is selected from the group consisting of: F, Cl, and Br and R1 is selected from the group consisting of hydrogen and linear alkyl compounds having between 1 and 3 carbon atoms. The second compound has a molecular formula of: F(CF | 03-15-2012 |
20120064391 | SEALED BATTERY - In a sealed battery, an outer case made of metal has a flange part and a concave part. An electric power generating element has an electrode body and electrolyte stored in the concave part. The electrode body has positive and negative electrodes connected to corresponding electrode leads, respectively. The flange part extends from the outer periphery of the outer case to the outside. The concave part is covered and sealed by a metal plate. The metal plate and one surface of the flange part are thermally bonded together through a metal-adhesive resin film. The metal plate projects toward the outside of the flange part. This projected part of the metal part is bent with the metal adhesive resin film toward the other surface of the flange part. The bent metal part and the other surface of the flange part are thermally bonded with the metal adhesive resin film. | 03-15-2012 |
20120064392 | ELECTRODE MATERIAL FOR LITHIUM ION BATTERIES AND LITHIUM ION BATTERIES THEREOF - An electrode material for a lithium ion battery comprises an electrode active material, an adhesive and a hydrogen storage alloy. The hydrogen storage alloy includes at least one selected from AB | 03-15-2012 |
20120070720 | BATTERY AND ULTRASONIC BONDING METHOD FOR BATTERY - The present invention provides a battery including a container, an electrode group including a positive electrode and a negative electrode, multiple current collecting tabs being extended from any one of the positive electrode and the negative electrode of the electrode group, and overlapped with one another; a lead bonded to at least one of the current collecting tabs by ultrasonic bonding, a lid configured to close an opening portion of the container, and an external terminal provided on the lid and connected to the at least one current collecting tab via the lead, in which the lead has a cross-sectional area that is increased in a middle of extension of the lead from an ultrasonic-bonded portion to the at least one of the current collecting tabs to the external terminal. | 03-22-2012 |
20120070721 | LITHIUM ION BATTERY - The present disclosure discloses a lithium ion battery comprising a battery shell, a cover assembly, an electrode assembly, a first current collecting plate and a second current collecting plate. The electrode assembly comprises a positive plate, a negative plate and a separator provided therebetween which are coiled together. The electrode assembly and the current collecting plates are disposed in a space formed by the battery shell and the cover assembly. The first and second current collecting plates are disposed at each end of the electrode assembly respectively, with a first uncoated area of the positive plate and a second uncoated area of the negative plate being welded to the first and second current collecting plates respectively. | 03-22-2012 |
20120077078 | All-Solid-State Lithium Secondary Battery - A main object of the present invention is to provide a safe and highly-reliable all-solid-state lithium secondary battery using a sulfide-based solid electrolyte material which can restrain generation of hydrogen sulfide gas, in case a large amount of water is entered into a battery case by an accident such as submersion associated with a breakage of the container. | 03-29-2012 |
20120088146 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly undergoing charging and discharging, a pressurization holder covering the electrode assembly and fixing the electrode assembly, a positive terminal and a negative terminal electrically connected to the electrode assembly, and a case accommodating the electrode assembly and the pressurization holder in a state in which the positive terminal and the negative terminal protrude from the case. | 04-12-2012 |
20120100414 | ENCAPSULATED EMI/RFI SHIELDING FOR A NON-CONDUCTIVE THERMOSETTING PLASTIC COMPOSITE PHEV BATTERY COVER - A cover for a high voltage vehicle battery is disclosed that is made of a light weight, non-conductive thermoset plastic composite, such as a polyester resin matrix, and includes an EMI/RFI shield. In one embodiment, the EMI/RFI shield is a Faraday cage including a ferrous mesh that is molded into the thermoset plastic composite so that it is completely encapsulated therein. In another embodiment, the EMI/RFI shield is an acrylic polymer coating including nickel plated copper flakes formed on an outside surface of the thermoset plastic composite. | 04-26-2012 |
20120100415 | CABLE-TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A cable-type secondary battery includes an electrode assembly, which has a first polarity current collector having a long and thin shape, at least two first polarity electrode active material layers formed on the first polarity current collector to be spaced apart in the longitudinal direction, an electrolyte layer filled to surround at least two first polarity electrode active material layers, and at least two second polarity electrode active material layers formed on the electrolyte layer to be spaced apart at positions corresponding to the first polarity electrode active material layers, the electrode assembly being continuously bent into a substantially “S” shape by a space between the first polarity electrode active material layers; and a second polarity current collector configured to surround at least one side of the electrode assembly bent into a substantially “S” shape. | 04-26-2012 |
20120100416 | MOLTEN SALT BATTERY CASE, AND MOLTEN SALT BATTERY - The case for a molten salt battery is used for a molten salt battery containing as an electrolyte a molten salt containing sodium ions. The case is formed of aluminum or an aluminum alloy containing 90% by mass or more of aluminum. | 04-26-2012 |
20120100417 | ELECTROLYTE COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME - Electrolyte compositions suitable for use in batteries, such as a lithium ion battery, are disclosed The electrolyte compositions include functionalized metal oxide particles In several embodiments the compositions utilize the presence of solvent or a scavenger Methods of making and using electrolyte compositions are also disclosed Articles of manufacture containing an electrolyte composition are also disclosed | 04-26-2012 |
20120107672 | Electrode With Interconnection Design for Miniature Electrochemical Cells and Methods of Making - Miniature electrodes and electrochemical cells are disclosed. Such electrodes are made from forming an electrode mixture onto a current collector and distal end of a feedthrough pin such that the current collector and distal end of the feedthrough pin is encapsulated. The methods and electrode assemblies disclosed herein allow such electrode assemblies to be made free from the step of directly attaching a formed electrode to a feedthrough pin and thus simplifying assembly and decreasing size. | 05-03-2012 |
20120107673 | SECONDARY BATTERY - To obtain a secondary battery that surely positions and fixes a laminated type of electrode group by effectively curbing lateral deviation and vertical deviation, in secondary batteries RB | 05-03-2012 |
20120107674 | SECONDARY BATTERY HAVING ANTI-SCATTERING MECHANISM - A housing for containing electrode assemblies and an electrolyte includes a cover | 05-03-2012 |
20120115019 | ENERGY STORAGE MODULE - Provided is an energy storage module including a cell structure having at least one energy storage cell and a package structure which covers the cell structure to package the cell structure, wherein the package structure includes a metal foil and a protective coating layer which covers the metal foil and is made of at least one of a silicon-based material and a fluorine-based material. | 05-10-2012 |
20120115020 | BATTERY PACK - A battery includes an electrode assembly fabricated with a positive electrode, a separator, and a negative electrode, each perforated by corresponding through voids along both of their respective opposite edge margins, stacked one upon another with the corresponding holes aligned. An arrangement of guide portions integrally formed simultaneously together with a surrounding case, accommodates stacking of the electrode assembly during fabrication of the battery. Aspects of the guide portions extend along a direction of stacking of the positive electrodes, negative electrodes and separators. The case and the arrangement of guide portions improve the internal alignment and facilitates the stack ability of electrode assemblies formed by the stacking of positive electrodes, negative electrodes and separators, and enhances the operational stability of the battery and the output performance of the battery, without detracting from the overall compactness of the battery. | 05-10-2012 |
20120121967 | Non-Aqueous Electrolyte Battery - A non-aqueous electrolyte battery includes a battery device in which a positive electrode is faced to negative electrode through a separator; a non-aqueous electrolyte; a laminate film which is formed by laminating a metal layer, an outside resin layer formed in outer face of the metal layer, and an inside resin layer formed in the metal layer, and in which the battery device and the non-aqueous electrolyte is packaged by heat welding and housed; a positive electrode lead which is electrically connected to the positive electrode, and drawn from portion heat-welded of the laminate film to an exterior thereof; a negative electrode lead which is electrically connected to the negative electrode, and drawn from portion heat-welded of the laminate film to an exterior thereof; and a porous polymer layer containing, as a component, vinylidene fluoride formed between the laminate film and the battery device. | 05-17-2012 |
20120121968 | LITHIUM-ION SECONDARY BATTERY - A lithium-ion secondary battery is provided where the production process line that fabricated it can be identified. The lithium-ion secondary battery includes a jelly roll, a positive electrode tab, a negative electrode tab, a positive electrode can, and a lid. The jelly roll is made by rolling the positive electrode and the negative electrode with an interposed separator, and is contained in the casing. The positive electrode tab has one end connected to the positive electrode of the jelly roll and the other end connected to the lid. The negative electrode tab has one end connected to the negative electrode of the jelly roll and the other end connected to a terminal provided on the lid. The other end of the negative electrode tab has a shape with a cut at a cut angle determined in accordance with the production process line that fabricated the lithium-ion secondary battery. | 05-17-2012 |
20120129044 | Alkaline Electrochemical Cell - An alkaline electrochemical cell is provided which efficiently utilizes active materials within the cell to achieve enhanced cost efficiency. The electrochemical cell includes a container defining a sealed volume and an anode and cathode disposed in the sealed volume of the container. The cathode includes manganese dioxide and the anode includes zinc. A ratio of zinc weight to anode volume is less than 1.8. An alkaline electrolyte is disposed in the container in contact with the anode and cathode, and water is disposed within the container. A weight ratio of water to manganese dioxide is greater than 0.28, and a weight ratio of water to zinc is greater than 0.65. | 05-24-2012 |
20120135298 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE - Disclosed is a non-aqueous electrolyte secondary battery including a cathode, an anode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, wherein the non-aqueous electrolyte contains an orthocarbonate ester compound represented by Formula (1) and cyclic carbonate ester compounds represented by Formulae (2) to (5). | 05-31-2012 |
20120141863 | ELECTROCHEMICAL DEVICE - Various embodiments of the present disclosure provide an electrochemical device that enables each of a plurality battery elements to be appropriately charged and, thereby, meet the demand for higher voltage even when said plurality of battery elements are connected in electrically series between a pair of electrodes. Electrochemical device | 06-07-2012 |
20120141864 | ELECTROCHEMICAL CELLS WITH TABS - The present invention provides electrochemical cells and batteries having one or more electrically conductive tabs and carbon sheet current collectors, where the tabs are connected to the carbon sheet current collectors; and methods of connecting the tabs to the carbon based current collectors. In one embodiment, the electrically conductive tabs are metallic tabs. | 06-07-2012 |
20120148906 | CHEMICAL CURRENT SOURCE - The chemical current source can be used in the electrical devices, wherein it is feeding the electrical devices that constantly operate or can temporarily/accidentally be under extreme conditions produced with the different negative factors such as fire, various types of radiation, including heat, electromagnetic etc., various types of mechanical effects, e.g. a blow and so on. The chemical current source consists of a housing with current feedthroughs and solid-state galvanic cells that are arranged within the housing and connected to the current feedthroughs, contain an anode, an electrolyte, a cathode based on solid-state ionic conductors. For the multifunctional use in the electrical device the chemical current source is made as a thermal protection and (or) a protective shield for the protection of the electrical device or some its parts against external effects and (or) environment against effects going from the electrical device or some its parts. | 06-14-2012 |
20120156550 | Secondary battery - A secondary battery includes an electrode assembly having a first electrode plate with a first electrode non-coated portion, the first electrode non-coated portion including a first protrusion part at an upper part of the electrode assembly, a second electrode plate with a second electrode non-coated portion, the second electrode non-coated portion including a second protrusion part at an upper part of the electrode assembly, and a separator disposed between the first and second electrode plates, first and second current collecting plates electrically connected to respective first and second electrode plates, and a case accommodating the electrode assembly and the first and second current collecting plates, the case having a shape corresponding to the first and second protrusion parts of the electrode assembly. | 06-21-2012 |
20120156551 | PACKING CASE FOR BATTERY, SECONDARY BATTERY USING THE SAME, AND METHOD OF MANUFACTURING THE SECONDARY BATTERY - A packing case for a battery including an inside layer, an outside layer, and a metal layer formed between the inside and outside layers, wherein the outside layer comprises at least one sub-layer having a color different than a color of the metal layer; and a secondary battery including the packing case; and a method of manufacturing the secondary battery. | 06-21-2012 |
20120164518 | ELECTRONIC DEVICE WITH SLIDING BATTERY COVER - An electronic device with sliding battery cover includes a housing, a battery holder formed in the housing, a fixing element rotatably connected to the battery holder, and a battery cover slidably connected to the fixing element to cover or uncover the battery holder. The battery holder is for placing at least one battery. The fixing element includes at least one conductive elastic element. When the battery cover covers the battery holder, each conductive elastic element contacts an electrode of one of the at least one battery placed in the battery holder, and the battery cover is locked to the battery holder; when the battery cover is to uncover the battery holder, a force applied to the battery cover makes the battery cover slide along the fixing element to unlock the battery cover from the battery holder. | 06-28-2012 |
20120164519 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to an electrolyte for a lithium secondary battery capable of improving safety and reliability of the lithium secondary battery and a lithium secondary battery comprising the electrolyte. The electrolyte for a lithium secondary battery of the present embodiments comprises a non-aqueous organic solvent, a lithium salt, flame retarding materials of fluoroalkyl ether and phosphazene, and a solvent comprising at least one ester. | 06-28-2012 |
20120164520 | Electrode Assembly and Secondary Battery Including Electrode Assembly - An electrode assembly and a secondary battery including the same. The electrode assembly includes a plurality of positive electrode plates including a first positive electrode plate including a first positive electrode tab arranged at a first location, and a second positive electrode plate including a second positive electrode tab arranged at a second location, a plurality of negative electrode plates; and a separator arranged between ones of the positive electrode plates and ones of the negative electrode plates, wherein the first positive electrode plate and the second positive electrode plate are alternately stacked. | 06-28-2012 |
20120177980 | LITHIUM SECONDARY BATTERY - The gas generation and the decrease in battery capacity during high temperature storage of a lithium secondary battery are suppressed. The electrolyte contains a polymerizable compound or a polymer, the polymerizable compound contains a compound having an aromatic functional group and a polymerizable functional group and a compound having a complex-forming functional group forming a complex with a metal ion and a polymerizable functional group, and the polymer has the complex-forming functional group, the aromatic functional group and a residue of the polymerizable functional group. | 07-12-2012 |
20120177981 | SECONDARY BATTERY - A secondary battery includes an electrode assembly. The electrode assembly includes a first electrode plate provided with a first tab portion, a second electrode plate provided with a second tab portion, and a separator interposed between the electrode plates. In the electrode assembly, the width of the first or second tab portion is in the range from over 0.5 of the half of the width of each of the electrode plates to below the half of the width of each of the electrode plates, and the first or second tab portion is provided to have a spacing distance b from a central portion of the first or second electrode plate to a starting portion of the first or second tab portion. The spacing distance is in the range from over 0 mm to less than half of the half (¼) of the width of the first or second electrode plate. | 07-12-2012 |
20120177982 | SECONDARY BATTERY - An electrode assembly for a secondary battery having a positive and negative electrode plates with a separator interposed therebetween. The positive and negative electrode plates have coated and uncoated portions. The length of the interconnection between the coated and uncoated portion of the positive electrode plate is greater than the length of the interconnection between the coated and uncoated portions of the negative electrode plate to reduce heat concentration occurring at the positive electrode plate. In one implementation, that relative lengths between the boundary intervals between the coated and uncoated portions of the positive and negative electrodes are determined using a ratio comprised of the product of the relative resistances and thicknesses. | 07-12-2012 |
20120183841 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a first electrode plate including a first electrode non-coating portion on which an active material of the first electrode plate is not coated, a second electrode plate including a second electrode non-coating portion on which an active material of the second electrode plate is not coated, and a separator between the first and second electrode plates; a collector electrically connected to an electrode non-coating portion of the first and second electrode non-coating portions, the collector including an insulation part at an insulation region of the collector adjacent the first and second electrode plates; and a case accommodating the electrode assembly and the collector. | 07-19-2012 |
20120183842 | SECONDARY BATTERY - An exemplary embodiment provides a lithium ion secondary battery using a high energy type anode, which enables long-life operation thereof. A secondary battery according to an exemplary embodiment comprises an electrode element in which a cathode and an anode are oppositely disposed, an electrolytic solution, and an outer packaging body which encloses the electrode element and the electrolytic solution inside; wherein the anode is formed by binding an anode active material, which comprises carbon material (a) that can absorb and desorb a lithium ion, metal (b) that can be alloyed with lithium, and metal oxide (c) that can absorb and desorb a lithium ion, to an anode collector with an anode binder; and wherein the electrolytic solution comprises a liquid medium which is hard to generate carbon dioxide at a concentration of 10 to 75 vol %. | 07-19-2012 |
20120183843 | SECONDARY BATTERY - An exemplary embodiment provides a lithium ion secondary battery using a high energy type anode, which enables long-life operation thereof. A secondary battery according to an exemplary embodiment comprises an electrode element in which a cathode and an anode are oppositely disposed, an electrolytic solution, and an outer packaging body which encloses the electrode element and the electrolytic solution inside; wherein the anode is formed by binding an anode active material, which comprises carbon material (a) that can absorb and desorb a lithium ion, metal (b) that can be alloyed with lithium, and metal oxide (c) that can absorb and desorb a lithium ion, to an anode collector with an anode binder; and wherein the electrolytic solution comprises a liquid medium which is hard to generate carbon dioxide at a concentration of 10 to 80 vol %. | 07-19-2012 |
20120189903 | SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A secondary battery according to an embodiment includes a container having a pouring hole through which an electrolyte is poured, and housing the electrolyte, poured through the pouring hole, together with an electrode body; and a sealing lid fixed to the container and closing the pouring hole. The container has a plurality of grooves extending in parallel along the outer edge of the pouring hole, in a predetermined region that surrounds the periphery of the pouring hole, and the sealing lid is provided on the plurality of grooves in such a manner as to close the pouring hole and is fixed to the container. | 07-26-2012 |
20120189904 | SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A secondary battery according to an embodiment includes a container having a pouring hole through which an electrolyte is poured, and housing the electrolyte, poured through the pouring hole, together with an electrode body; and a sealing lid which is fixed to the container and is closing the pouring hole. The sealing lid has a welding mark existing in a ring shape with a depth through the sealing lid to a lid body of the container, and an inner circumferential side molten mark existing in a ring shape overlapping with the welding mark, on the inner circumferential side of the welding mark in the sealing lid, with a depth corresponding to the thickness of the sealing lid. | 07-26-2012 |
20120189905 | Graphite Particles And Lithium Secondary Battery Using The Same As Negative Electrode - A method for forming a negative electrode for a lithium secondary battery, includes providing a paste comprising graphite particulates comprise assembled or bound graphite particles in each of which a plurality of flat-shaped particles are assembled or bound together so that the planes of orientation are not parallel to one another, and the mixture including 3 to 10 parts by weight of the organic binder per 100 parts by weight of the graphite particulates, a binder and a solvent, coating the paste on a current collector, drying the paste coated on the current collector to form a mixture of the graphite particulates and the binder, and integrating the mixture with the current collector by pressing to provide a density of the mixture of graphite particulates and organic binder of 1.5 to 1.9 g/cm | 07-26-2012 |
20120196176 | ELECTRODE COMPOSITE MATERIAL OF LITHIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME - An electrode composite material includes an individual electrode active material particle and a protective film coated on a surface of the particle. A composition of the protective film is Al | 08-02-2012 |
20120196177 | ELECTRODE OF LITHIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME - An electrode of a lithium ion battery includes a current collector, an electrode material layer disposed on a top surface of the current collector, and a protective film located on a top surface of the electrode material layer. A composition of the protective film is at least one of Al | 08-02-2012 |
20120202107 | ELECTRIC STORAGE DEVICE - An electric storage device including a case, a positive electrode, a negative electrode, a current collector, a gasket, and a conductive member. The current collector has a first end connected to the positive electrode or the negative electrode and a second end electrically connected to an inner surface of the case. The conductive member includes a body and an inside large-diameter portion having a larger diameter than that of the body. The body is arranged in a mounting hole of the case. The inside large-diameter portion is disposed at one end of the body inside the case, and electrically connected to a second end of the current collector. The inside large-diameter portion is arranged so as to be in contact with an inner gasket such that the inner gasket and the second end of the current collector are sandwiched between the inside large-diameter portion and the case. | 08-09-2012 |
20120208072 | ELECTRODE STRUCTURE AND ELECTROCHEMICAL CELL USING THE SAME - An electrode structure and an electrochemical cell including the electrode structure are provided. The electrode structure includes a porous three-dimensional (3D) outer net including an interconnected plurality of outer metal lines that define a plurality of outer holes between adjacent ones of the outer metal lines. The outer metal lines include a porous 3D inner net, a first layer coating the inner net, and a second layer coating the first layer. The inner net includes an interconnected plurality of inner metal lines that define a plurality of inner holes between adjacent ones of the inner metal lines. The inner metal lines include a first metal. The first layer includes a second metal. The second layer includes a third metal. | 08-16-2012 |
20120214048 | LITHIUM BATTERY AND METHOD FOR FABRICATING THE SAME - A lithium battery and a method for fabricating the same are provided. The lithium battery includes an anode, a cathode located opposite to the anode, a separator and an electrolyte solution. The separator is located between the anode and the cathode, wherein the anode, the cathode and the separator commonly define a containing region. The electrolyte solution is located in the containing region, and includes an organic solvent, a lithium salt and an additive. The additive includes a maleimide-based compound and a hydroxyl-containing species having a molecular weight less than 1000, and a content of the hydroxyl-containing species in the electrolyte solution ranges between 0.05 wt % and 5 wt %. The lithium battery and the fabrication method thereof can solve problems of water contained in the battery, and an environment with high dryness and low moisture content is unnecessary for fabrication, thereby reducing the production cost and enhancing the battery performance. | 08-23-2012 |
20120219847 | POUCH TYPE BATTERY AND ITS MANUFACTURING METHOD - Provided are a lithium polymer battery and a method of manufacturing the lithium polymer battery. The lithium polymer battery comprises: an electrode assembly comprising a positive electrode, a negative electrode and a separator; a pouch enclosing the electrode assembly, the pouch comprising a first panel and a second panel generally opposing the first panel, the first panel comprising a first main surface, the second panel comprising a second main surface opposing the first main surface, the pouch further comprising a first step formed in the first panel in a perimeter thereof and stepped from the first main surface toward the second main surface, the first step comprising a first step surface generally parallel to the first main surface; and an insulation tape placed on the first step surface and comprising a first tape surface over the first step surface and facing away from the first step surface, wherein the first main surface is generally planar throughout, and the insulation tape is not placed over the first main surface, and wherein the first step and the insulation tape are sized such that the first tape surface is at a level not substantially higher than the first main surface | 08-30-2012 |
20120231325 | ELECTROLYTE FOR A LITHIUM RECHARGEABLE BATTERY, LITHIUM RECHARGEABLE BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING A LITHIUM RECHARGEABLE BATTERY - A lithium rechargeable battery, an electrolyte for a lithium rechargeable battery, and a method of manufacturing a lithium rechargeable battery, the battery including an electrode assembly; a case accommodating the electrode assembly; and an electrolyte in the case, wherein the electrolyte includes a lithium salt; a non-aqueous organic solvent, the non-aqueous organic solvent including about 50 wt % or more of an ester-based solvent; lithium difluoro(oxalato)borate; and a first additive, the first additive including at least one selected from tris(trialkylsilyl)phosphate, tris(trialkylsilyl)phosphite, and tris(trialkylsilyl)borate. | 09-13-2012 |
20120231326 | STRUCTURED SILICON BATTERY ANODES - Methods of fabricating porous silicon by electrochemical etching and subsequent coating with a passivating agent process are provided. The coated porous silicon can be used to make anodes and batteries. It is capable of alloying with large amounts of lithium ions, has a capacity of at least 1000 mAh/g and retains this ability through at least 60 charge/discharge cycles. A particular pSi formulation provides very high capacity (3000 mAh/g) for at least 60 cycles, which is 80% of theoretical value of silicon. The Coulombic efficiency after the third cycle is between 95-99%. The very best capacity exceeds 3400 mAh/g and the very best cycle life exceeds 240 cycles, and the capacity and cycle life can be varied as needed for the application. | 09-13-2012 |
20120231327 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCTION OF SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY PRODUCED USING SAME - At the time of synthesis of lithium nickelate, by adding a firing aid to material to be fired, crystal growth is promoted at a temperature that is lower than a firing temperature necessary for obtaining desired crystal growth of lithium nickelate, and substitution of elements that contribute to structural stability in crystals is promoted. Furthermore, distortion of crystal or loss of oxygen at the time of synthesis is suppressed. Thus, a lithium ion secondary battery having excellent charge and discharge characteristics and cycling characteristics can be provided. | 09-13-2012 |
20120237819 | Electrode assembly and secondary battery using the same - An electrode assembly includes a porous polymer layer, a conductive layer on each of a first and a second surface of the porous polymer layer, and an active material layer on each of the first and second surfaces of the porous polymer layer. | 09-20-2012 |
20120244417 | LITHIUM ION SECONDARY BATTERY - The present invention provides a lithium ion secondary battery in which an electrode assembly, in which a positive electrode sheet having a positive electrode mixture layer and a negative electrode sheet having a negative electrode mixture layer are overlain each other, is housed in a container together with a nonaqueous electrolyte solution. The negative electrode mixture layer includes a carbon material having at least in part a graphite structure as a negative active material. When S (m | 09-27-2012 |
20120244418 | LIQUID-METAL NEGATIVE ELECTRODE FOR LITHIUM-ION BATTERIES - One embodiment includes a liquid-metal alloy negative electrode for a lithium-ion battery. | 09-27-2012 |
20120244419 | ELECTROLYTE FOR A LITHIUM RECHARGEABLE BATTERY, LITHIUM RECHARGEABLE BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING A LITHIUM RECHARGEABLE BATTERY - An electrolyte for a lithium rechargeable battery, a lithium rechargeable battery including the same, and a method of manufacturing lithium rechargeable battery, the electrolyte including a first additive, a second additive, a lithium salt; and a non-aqueous organic solvent. | 09-27-2012 |
20120244420 | SECONDARY BATTERY - A secondary battery according to the present exemplary embodiment is a secondary battery including a laminated electrode body provided with at least one pair of positive and negative electrodes and an outer enclosure that accommodates the laminated electrode body, wherein the outer enclosure includes one or more concave portions, inside a border corresponding to an outer edge of an electrode surface of an outermost layer of the laminated electrode body, on a surface facing the electrode surface, and wherein, when a band-shaped outer circumferential region having an area that is a half of an area inside the border is set inside the border, at least one of the concave portions is located inside the outer circumferential region. | 09-27-2012 |
20120258352 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING THE SAME - A battery case for a secondary battery and a secondary battery using the same. The secondary battery includes an electrode assembly and the battery case. The electrode assembly is composed of a first electrode plate, a second electrode plate and a separator interposed therebetween. The battery case is provided with an accommodating portion that accommodates the electrode assembly. In the secondary battery, the depth of the accommodating portion is approximately 70% to approximately 80% of the thickness of the electrode assembly. | 10-11-2012 |
20120282517 | ELECTROCHEMICAL CELL AND METHOD FOR PRODUCING SUCH A CELL - An electrochemical cell includes at least one electrode stack, which is arranged inside a casing of the electrochemical cell, wherein the electrode stack has at least one first electrode layer and one second electrode layer, wherein a separator layer is arranged between the first electrode layer and the second electrode layer, wherein the first electrode layer has a smaller areal extension than the second electrode layer, and wherein an in particular mechanically stabilizing edge layer is arranged adjacent to the first electrode layer. | 11-08-2012 |
20120282518 | CELL CASE - A cell case has a plurality of front slide connection parts each having an engaged groove in a lower part thereof and an engaging piece protrudingly formed in an upper part thereof; and a plurality of rear slide connection parts each having an engaged groove in a lower part thereof, an engaging protruding piece protrudingly formed in an upper part thereof, and an insertion hole formed in a lower surface thereof into which the engaging protruding piece is inserted. The cell case is connected or disconnected through forward-backward sliding movement. | 11-08-2012 |
20120301777 | SECONDARY BATTERY - A secondary battery includes an electrode assembly and at least one safety member coupled with the electrode assembly. The safety member has a safety layer including a short-circuit heat absorbing material. | 11-29-2012 |
20120308876 | RECHARGEABLE ELECTROCHEMICAL CELL - The present invention relates to a rechargeable electrochemical battery cell having a housing, a positive electrode, a negative electrode, and an electrolyte, the electrolyte containing sulfur dioxide and a conductive salt of the active metal of the cell. The total quantity of oxygen-containing compounds contained in the cell that are able to react with the sulfur dioxide, reducing the sulfur dioxide, is not more than 10 mMol per Ah theoretical capacitance of the cell. | 12-06-2012 |
20120321940 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to a present exemplary embodiment comprises an electrode element including a positive electrode and a negative electrode arranged to face each other, a nonaqueous electrolyte and a jacket housing the electrode element and the nonaqueous electrolyte. The negative electrode is formed by bounding a negative electrode active material to a negative electrode collector with a negative electrode binder, the negative electrode active material containing (a) a carbon material capable of intercalating and deintercalating lithium ions, (b) a metal capable of forming an alloy with lithium and (c) a metal oxide capable of intercalating and deintercalating lithium ions. The nonaqueous electrolyte contains a nonaqueous solvent, a cyclic fluorinated carbonate and a linear fluorinated ether. | 12-20-2012 |
20120328930 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, there is provided a nonaqueous electrolyte battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes a first negative electrode active material containing a monoclinic β-type titanium composite oxide and a second negative electrode active material. The second negative electrode active material causes insertion and release of lithium ion in a potential range from 0.8 V to 1.5 V (vs. Li/Li | 12-27-2012 |
20130004830 | HIGH VOLTAGE RECHARGEABLE MAGNESIUM CELL - A high voltage rechargeable magnesium cell includes an anode and cathode housing. A magnesium metal anode is positioned within the housing. A high voltage electrolyte is positioned proximate the anode. A metal oxide cathode is positioned proximate the high voltage electrolyte. The magnesium cell includes a multi-cycle charge voltage up to at least 3.0 volts and includes a reversible discharge capacity. | 01-03-2013 |
20130011721 | POUCH AND POUCH TYPE SECONDARY BATTERY - Provided are a pouch and a pouch type secondary battery, which includes an accommodating part having an inner space, and a cover part integrally formed with the accommodating part and covering an opening of the accommodating part. A bending extension is disposed around an interface between the accommodating part and the cover part. When the pouch into which the accommodating part and the cover part are integrated is assembled, the cover part is bent, and then, a contact surface between the accommodating part and the cover part is sealed, thereby sealing the inside of the pouch. At this point, the bending extension disposed on the interface disposed between the accommodating part and the cover part is also sealed to thereby prevent external moisture from being introduced through the interface after the sealing of the pouch. | 01-10-2013 |
20130022860 | LEAD ACID STORAGE BATTERY - A flooded-type lead acid storage battery in which charging is intermittently carried out in a short period of time and high-efficiency discharge to a load is carried out in a partial state of charge, wherein the charge acceptance and service life characteristics are improved by using a positive plate in which the specific surface area of the active material is set to 6 m | 01-24-2013 |
20130022861 | LITHIUM SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE FOR USE IN THE SAME - A lithium secondary battery is provided. The battery comprises: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound of formula (1), a fluorosilane compound of formula (2), a compound of formula (3), compound having an S—F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. | 01-24-2013 |
20130029207 | BATTERY WITH AUXILIARY ELECTRODE - A lithium-ion battery includes a case, an electrolyte, a positive electrode, a negative electrode, and an auxiliary electrode. The positive electrode includes a current collector and an active material. The negative electrode includes a current collector and an active material. The auxiliary electrode includes an active material. The electrolyte, positive electrode, and negative electrode are disposed within the case. The auxiliary electrode is configured to selectively couple to the negative electrode to irreversibly absorb lithium from the negative electrode. | 01-31-2013 |
20130029208 | RECHARGEABLE BATTERY - A rechargeable battery case that prevents a short circuit of a cell by inducing bending of a case under a lateral/longitudinal compression condition in a specific manner. The rechargeable battery case includes an opening in the case through which an electrode assembly is inserted. A bottom portion is provided at an end of the case opposite to that of the opening. A front portion is connected to the bottom portion. A back portion is connected to the bottom portion and the front portion. A joint portion is arranged between the front, back and bottom portion. Further, a first area and a second area are disposed longitudinally in the front and back portions. The second area is on either side of the first area. The joint portion in the second area is thicker than the joint portion in the first area. | 01-31-2013 |
20130029209 | Nickel Hydrogen Rechargeable Battery - A nickel hydrogen rechargeable battery has a positive electrode and a negative electrode. The positive electrode includes positive-electrode active material made of nickel hydroxide particles in which magnesium is dissolved, and the negative electrode includes rare earth-Mg—Ni-based hydrogen storage alloy powder. At least either one of the negative and positive electrodes includes as additive at least one selected from a group including zinc and zinc compounds. The content of the additive ranges from 0.2 to 1.5 part by weight per 100 parts by weight of hydrogen storage alloy in the negative electrode, and ranges from 0.3 to 1.5 part by weight per 100 parts by weight of positive-electrode active material in the positive electrode. | 01-31-2013 |
20130029210 | LEAD ACID STORAGE BATTERY - In a liquid-type lead acid storage battery in which charging is performed for a short time intermittently and high-rate discharging to load is performed in a partially charged state, there are used a positive electrode plate in which the utilization rate of a positive electrode activation substance is set to a range of 50% to 65%, and a negative electrode plate in which a carbonaceous electroconductive material and a bisphenol/aminobenzenesulfonic acid/formaldehyde condensate are added to the negative electrode activation substance, thereby improving the charge acceptance and the lifespan performance; and a separator whose surface disposed opposite the negative electrode plate is formed from a nonwoven fabric made of a material selected from glass, pulp, and polyolefin, is used as a separator; whereby the charge acceptance and the lifespan performance under PSOC are improved. | 01-31-2013 |
20130040188 | RECHARGEABLE ELECTROCHEMICAL BATTERY CELL - Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte comprises SO2 and the positive electrode contains an active material in the composition LixM′yM″z(XO4)aFb, wherein
| 02-14-2013 |
20130040189 | APPARATUS FOR PROTECTING BATTERY PACK - Provided is an technique for protecting a battery pack, in which an insulating film member and a support member are installed in a housing surrounding the battery pack, and the insulating film member is wound around and unwound from the support member fixedly installed in the housing. The technique prevents a short circuit from being caused by a conductive object penetrating into a high-capacity battery used in an HEV, PHEV or EV, so that it can prevent ignition and smoke from being generated by the battery as a result. The technique is configured to mount a battery of an HEV, PHEV or EV within a spatial margin and increase safety in the event of a collision. The technique can be applied to all vehicles using electricity in addition to the HEV, PHEV or EV. | 02-14-2013 |
20130045413 | CURRENT COLLECTOR AND LITHIUM ION BATTERY - A current collector includes a support and at least one carbon nanotube layer. The support includes two surfaces. The at least one carbon nanotube layer is located on one of the two surfaces of the support. The at least one carbon nanotube layer includes a number of uniformly distributed carbon nanotubes. A lithium ion battery includes a cathode electrode and an anode electrode. At least one of the cathode electrode and the anode electrode includes the current collector. | 02-21-2013 |
20130059195 | ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - To provide an electrode for a power storage device, which has high reliability and can be miniaturized. To provide a power storage device including the electrode. In the electrode, a stress-relieving layer which relieves internal stress of an active material layer including a whisker is provided over a current collector. By the stress-relieving layer, deformation of the current collector can be suppressed and the productivity of the power storage device can be increased. In addition, the size of the power storage device can be reduced and the reliability thereof can be increased. Graphene may be formed so as to cover the active material layer including a whisker. | 03-07-2013 |
20130059196 | GALVANIC CELL - A galvanic cell is described, comprising an anode layer ( | 03-07-2013 |
20130065110 | Bipolar Battery and Plate - A bipolar battery plate is utilized for production of a bipolar battery. The bipolar battery plate includes a frame, a substrate, first and second lead layers, and positive and negative active materials. The substrate includes insulative plastic with conductive particles homogeneously dispersed throughout the insulative plastic and exposed along surface of the substrate, the substrate positioned within the frame. The first lead layer is positioned on one side of the substrate, while the second lead layer is positioned on another side of the substrate. The first and second lead layer are electrically connected to each through the conductive particles. The positive active material is positioned on a surface of the first lead layer, and the negative active material positioned on a surface of the second lead layer. | 03-14-2013 |
20130065111 | APPARATUS AND METHOD FOR ENHANCING IMPREGNATION WITH ELECTROLYTE IN SECONDARY BATTERY - An apparatus for enhancing impregnation of the electrolyte in a secondary battery includes a tray in which at least one battery cell is received, and an oscillation and rotation unit capable of oscillating and rotating the tray simultaneously. | 03-14-2013 |
20130071723 | BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF - The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte. | 03-21-2013 |
20130071724 | ELECTRODE FOR BATTERY, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK - According to one embodiment, there is provided an electrode for battery. The electrode includes a current collector and an active material layer provided on the current collector. The active material layer includes a first powder of a monoclinic titanium dioxide compound and a second powder a monoclinic titanium dioxide compound. The first powder has a minor-axis average dimension of primary particles in the range from 0.5 μm to 5 μm and a major-axis average dimension of primary particles in the range from 0.5 μm to 20 μm. The second powder has a minor-axis average dimension of primary particles in the range from 0.01 μm to 0.3 μm and a major-axis average dimension of primary particles in the range from 0.5 μm to 1 μm. | 03-21-2013 |
20130071725 | METHOD OF ENCAPSULATING AN ELECTRICAL ENERGY ACCUMULATION COMPONENT AND BATTERY - A method for encapsulating a device, such as an battery, having two opposite and parallel main faces and a peripheral edge, wherein one main face includes an electrical contact zone, includes the steps of retaining the device within an injection chamber of a mold and injecting encapsulation material into the injection chamber to overmold an encapsulation block on the device. The injection chamber is configured to hold a portion of the device, adjacent its peripheral edge, so as to center the device within the injection chamber. The mold includes centering structures that at least partially cover the electrical contact zone. Opposite positioning studs protrude into the injection chamber and bear on the opposite main faces of the device. The resulting packaged device includes an overmolded encapsulation block enveloping the device except for portions covered by the centering structure. | 03-21-2013 |
20130078502 | INJECTION MOLDING COMPOSITION AND ARTICLE - An injection molding composition includes specific amounts of a poly(arylene ether), a rubber-modified polystyrene, a bisphenol bis(diaryl phosphate), and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene. The composition exhibits improved hydrolysis resistance and is useful for injection molding lead acid battery cases that exhibit improved hydrolysis resistance when employed use in hot, humid environments. | 03-28-2013 |
20130078503 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including electrodes on both sides of a separator, a case including the electrode assembly and electrically connected to an electrode on one side of the electrode assembly, and a cap assembly coupled with the case and electrically connected to another electrode of the electrode assembly, wherein an external side of the electrode assembly and an internal side of the case are attached to face each other, and at least one of the external side of the electrode assembly and the internal side of the case is in the form of a screw unit. | 03-28-2013 |
20130078504 | ACTIVE MATERIAL, METHOD OF MANUFACTURING THE SAME, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, there is provided an active material. The active material includes a titanate oxide compound. The active material has a peak appearing in a range of 1580 cm | 03-28-2013 |
20130084486 | ELECTROCHEMICAL CELLS INCLUDING A CONDUCTIVE MATRIX - An electrochemical cell includes an outer housing, a separator for separating an anode material from a cathode material, wherein the separator is disposed in the outer housing. The electrochemical cell also includes a conductive thin sheet disposed around an outer circumference of the separator, wherein the conductive thin sheet is disposed such that it allows passage of the anode material between the separator and the conductive thin sheet. The electrochemical cell further includes a conductive matrix disposed between, and in contact with, the conductive thin sheet and the outer housing. | 04-04-2013 |
20130084487 | BATTERY PACKAGE FILLED WITH PHASE CHANGE MATERIAL AND BATTERY USING THE SAME - A battery and battery package is disclosed which improves a battery's heat dissipation capability by using an aluminum material and a phase change material capable of maintaining a suitable temperature through phase change according to a temperature in order to prevent a battery from being deteriorated in terms of performance. More specifically, battery package has a top case and a bottom case as a battery cell case for housing a battery cell. The top and bottom cases are adhered to each other, and either or both the top and bottom cases includes: a top sheet plate repeatedly undulated at predetermined intervals to form a plurality of unidirectionally extended convex parts to be filled with a phase change material; a bottom sheet plate formed in a flat shape and adhered to the top sheet plate; and a phase change material filled in between the convex parts and the bottom sheet plate. | 04-04-2013 |
20130095371 | Shrink Film for Label - A shrink film comprising a core layer comprising a glycol modified polyester, the core having an upper and lower surface; an upper skin layer disposed on the upper surface of the core layer and a lower skin layer disposed on the lower surface of the core layer, the skin layers each individually comprising (a) a resin material; and (b) an antiblocking agent. | 04-18-2013 |
20130101893 | HIGH-VOLTAGE LITHIUM-POLYMER BATTERIES FOR PORTABLE ELECTRONIC DEVICES - The disclosed embodiments provide a lithium-polymer battery cell. The lithium-polymer battery cell includes an anode and a cathode containing lithium cobalt oxide particles doped with a doping agent. The lithium-polymer battery cell also includes a pouch enclosing the anode and the cathode, wherein the pouch is flexible. The cathode may allow a charge voltage of the lithium-polymer battery cell to be greater than 4.25V. | 04-25-2013 |
20130108914 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME | 05-02-2013 |
20130115508 | NONAQUEOUS ELECTROLYTE BATTERY, ELECTRODE FOR THE SAME, AND BATTERY PACK - According to one embodiment, there is provided an electrode for a nonaqueous electrolyte battery. The electrode includes an active material layer. The active material layer includes a monoclinic β-type titanium composite oxide. When the electrode is subjected to an X-ray diffraction measurement using a Cu-Kα ray source, a ratio of a reflection intensity I(020) of a peak derived from a plane (020) of a crystal of the monoclinic β-type titanium composite oxide to a reflection intensity I(001) of a peak derived from a plane (001) of the crystal of the monoclinic β-type titanium composite oxide being in the range from 0.6 to 1.2. | 05-09-2013 |
20130115509 | BATTERY GRID WITH VARIED CORROSION RESISTANCE - A battery grid is disclosed. The battery grid includes a pattern of grid wires. The pattern includes a grid wire having a first segment with a first corrosion resistance and a second segment with a second corrosion resistance which is less than the first corrosion resistance. The second segment corrodes at a rate which is faster than the corrosion rate of the first segment so as to dynamically release internal stress and control grid growth of the battery grid during its service life. A battery includes said grid and a method of forming said grid are also disclosed. | 05-09-2013 |
20130122350 | STORAGE ELEMENT FOR AN ELECTROCHEMICAL DEVICE, ELECTROCHEMICAL DEVICE USING SAID STORAGE ELEMENT, METHOD FOR MANUFACTURING STORAGE ELEMENT FOR ELECTROCHEMICAL DEVICE, AND METHOD FOR MANUFACTURING ELECTROCHEMICAL DEVICE - [Object] One object is to provide an electric storage element for electrochemical devices that can prevent fall of active material powder from an outer edge of an active material layer, thereby preventing functional disorders due to the fall of the active material powder. | 05-16-2013 |
20130122351 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a nonaqueous electrolyte secondary battery, comprising an electrode group including a positive electrode, a negative electrode including a material for absorbing-desorbing lithium ions, and a separator arranged between the positive electrode and the negative electrode, a nonaqueous electrolyte impregnated in the electrode group and including a nonaqueous solvent and a lithium salt dissolved in the nonaqueous solvent, and a jacket for housing the electrode group and having a thickness of 0.3 mm or less, wherein the nonaqueous solvent γ-butyrolactone in an amount larger than 50% by volume and not larger than 95% by volume based on the total amount of the nonaqueous solvent. | 05-16-2013 |
20130122352 | SINTERED NICKEL POSITIVE ELECTRODE, METHOD FOR MANUFACTURING THE SAME, AND ALKALINE STORAGE BATTERY INCLUDING THE SINTERED NICKEL POSITIVE ELECTRODE - Disclosed is a sintered nickel positive electrode that has an expanded usable range to a low charging region by using nickel hydroxide having a particular crystal structure as a main component of a positive electrode active material. | 05-16-2013 |
20130122353 | SECONDARY BATTERY - An object of the invention is to provide a secondary battery having satisfactory high-temperature cycle characteristics. The present invention relates to a laminate type secondary battery including an electrode element containing an electrode pair in which a positive electrode and a negative electrode are arranged so as to face each other, an electrolyte and a jacket housing the electrode element and the electrolyte, in which the negative electrode includes a negative-electrode active material containing at least one of a metal (a) capable of forming an alloy with lithium and a metal oxide (b) capable of absorbing and desorbing lithium ions, a negative electrode binder and a negative electrode current collector; the electrolyte contains a nonaqueous solvent and biphenyl; and the content of the biphenyl in the electrolyte is 0.5 to 2.5% by mass, based on the total of the nonaqueous solvent and the biphenyl. | 05-16-2013 |
20130122354 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - It is an object to provide a nonaqueous electrolyte secondary battery whose battery characteristics can be considerably improved by considerably improving the dispersibility of a carbon conductive agent and forming a good conductive network, and a method for producing the nonaqueous electrolyte secondary battery. A polyvinylpyrrolidone polymer serving as a dispersant and a polyglycerin-condensed ricinoleic acid ester are mixed with N-methyl-2-pyrrolidone serving as a dispersion medium, and then acetylene black is added thereto to prepare a carbon slurry. Subsequently, a positive electrode active material and a binder are mixed with the carbon slurry to prepare a positive electrode active material slurry. A positive electrode | 05-16-2013 |
20130130096 | Light-Weight Bipolar Valve Regulated Lead Acid Batteries and Methods Therefor - Light-weight VRLA batteries comprise a thin lead substrate that is supported by non-conductive, preferably plastic frames that provide structural stability to accommodate stress and strain in the bipole assembly. In particularly preferred batteries, the plastic frames are laser welded together and phantom grids and electrode materials are coupled to the respective sides of the lead substrate. Where the phantom grid is an ultra-thin lead grid, the lead grid is preferably configured to provide a corrosion reserve of less than 10 charge-discharge cycles and the bipole assembly is charged in an in-tank formation process. Where the phantom grid is a non-conductive grid, the lead grid is preferably a plastic grid and the bipole assembly is charged in an in-container formation process. Consequently, weight, volume, and production costs are significantly reduced while specific energy is substantially increased. | 05-23-2013 |
20130143106 | LITHIUM ION BATTERY - A lithium ion battery includes a cell assembly, a casing containing the cell assembly, a cap assembly and electrolyte filling in the casing. The cell assembly has stacked electrode plates with separators disposed between neighbored electrode plates. The casing has a bottom wall, a number of side walls extending vertically from the bottom wall, and a receiving space defined by the bottom wall and the number of side walls with an opening opened outwards. The cap assembly includes a cap plate covering the opening and encapsulating the cell assembly in the casing. A recessed structure is formed on the side wall of the casing. | 06-06-2013 |
20130143107 | BATTERY EXTERIOR BODY, METHOD OF MANUFACTURING BATTERY EXTERIOR BODY, AND LITHIUM SECONDARY BATTERY - A battery exterior body which can be easily manufactured without additional process by heat-sealing internal layers of battery exterior materials, and has a high degree of safety with respect to gas generated in the inside of the exterior body, a method of manufacturing the battery exterior body, and a lithium secondary battery are provided. The battery exterior body is a battery exterior body | 06-06-2013 |
20130149594 | NEGATIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME - A negative electrode active material and a secondary battery including the same are provided. More particularly, the present disclosure relates to a negative electrode active material including a Si-metal alloy including Si, the Si being present in the Si-metal alloy in an amount of 66 at % or less, and at least a portion of the Si being crystalline Si. The negative active material can provide a high-capacity battery, which can retain high capacity due to little volumetric expansion during charging and discharging, thereby demonstrating an excellent life characteristic of the secondary battery. The negative electrode active material may include a Si-metal alloy including crystalline Si having a crystal grain size of 30 nm or less. Methods of preparing a negative electrode active material and methods of preparing a secondary battery including the same are also disclosed. | 06-13-2013 |
20130149595 | BATTERY MODULE AND ITS ADHESIVE STRAP - The disclosure discloses a method for manufacturing a battery shell applicable to an electronic device. The method includes providing a metal substrate, a metal implanting component including a connecting part disposed thereon; bonding the metal implanting component to the metal substrate; and forming a plastic component on the metal substrate by an insert molding process. The plastic component covers the metal implanting component. By bonding the plastic component to the bonding part of the metal implanting component, the bonding strength is enforced. | 06-13-2013 |
20130149596 | ELECTROLYTE SOLVENT CONTAINING IONIC LIQUIDS - Binary solvents that may be useful as electrolyte solvents for nonaqueous battery systems, such as lithium ion batteries are described. The electrolyte solvents consist of two components, an ionic liquid (preferably containing a fluorinated anion) and a fluoroether. Electrolyte compositions comprising the electrolyte solvents and electrochemical cells comprising the electrolyte compositions are also described. | 06-13-2013 |
20130157116 | NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same. The non-aqueous electrolyte including an ionizable lithium salt and an organic solvent may further include (a) 1 to 10 parts by weight of a compound having a vinylene group or vinyl group per 100 parts by weight of the non-aqueous electrolyte, and (b) 10 to 300 parts by weight of a dinitrile compound having an ether bond per 100 parts by weight of the compound having the vinylene group or vinyl group. The lithium secondary battery comprising the non-aqueous electrolyte may effectively suppress the swelling and improve the charge/discharge cycle life. | 06-20-2013 |
20130157117 | SECONDARY BATTERY AND SECONDARY BATTERY ELECTROLYTE USED THEREIN - Provided is a lithium ion secondary battery in which a high-energy type negative electrode is used, the lithium ion secondary battery having high capacity and excellent thermal stability. A secondary battery according to the present embodiment comprises: an electrode element having a positive electrode and a negative electrode opposed each other; an electrolyte; and an outer casing containing the electrode element and the electrolyte, wherein the negative electrode comprises a negative electrode active material, which includes at least one of a metal (a) capable of alloying with lithium and a metal oxide (b) capable of occluding and releasing lithium ions, is bonded to a negative electrode current collector by a negative electrode bonding agent, and the electrolyte comprises 70˜99 vol % of a phosphoric acid ester compound and 1˜15 vol % of a fluorinated carbonate compound. A secondary battery electrolyte according to the present embodiment includes 70˜99 vol % of a phosphoric acid ester compound and 1˜15 vol % of a fluorinated carbonate compound. | 06-20-2013 |
20130157118 | LEAD-ACID BATTERY - In a valve-regulated lead-acid battery in which charging is performed intermittently on every short time and high rate discharging to a load is performed in a partial state of charge (PSOC), a valve-regulated lead-acid battery improved for the charge acceptance and the life characteristic under PSOC than usual is provided. A positive electrode plate having a specific surface area of an active material of 5.5 m | 06-20-2013 |
20130157119 | SECONDARY BATTERY - An object is to provide a secondary battery in which decomposition of an electrolyte liquid is suppressed and generation of a gas is reduced, even in the case of using a laminate film as a package. Further, the present exemplary embodiment provides a secondary battery of stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and said electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides, and the electrolyte liquid comprises a predetermined nitrile compound. | 06-20-2013 |
20130157120 | SECONDARY BATTERY - The object of an exemplary embodiment of the invention is to provide a secondary battery with a high performance in which the generation of the swelling can be suppressed and in which the cycle property is excellent. An exemplary embodiment of the invention is a secondary battery, comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed, an electrolyte liquid, and a package which encloses the electrode assembly and the electrolyte liquid inside; wherein the negative electrode is formed by binding a negative electrode active substance, which comprises metal (a) that can be alloyed with lithium, metal oxide (b) that can absorb and desorb lithium ion, and carbon material (c) that can absorb and desorb lithium ion, to a negative electrode collector with at least one selected from polyimides and a polyamide-imides; and wherein the electrolyte liquid comprises a compound represented by any one of predetermined formulae. | 06-20-2013 |
20130164602 | ENERGY STORAGE DEVICE - An energy storage device including an active electrolyte, a first electrode and a second electrode is provided. The active electrolyte contains protons and ion pairs with a redox ability. The first electrode and the second electrode coexist in the active electrolyte and are separated from each other. The first electrode and the second electrode respectively include an active material producing a redox-reaction with the active electrolyte or an active material producing ion adsorption/desorption with the active electrolyte. The active electrolyte receives electrons from the first electrode and/or the second electrode so as to perform a redox-reaction for charge storage. | 06-27-2013 |
20130164603 | SECONDARY BATTERY - The object is to provide a secondary battery with higher performance, and especially to provide a secondary battery having low impedance. An exemplary embodiment of the invention is a secondary battery, comprising an electrode assembly in which a positive electrode and a negative electrode are oppositely disposed, an electrolyte liquid, and a package which encloses the electrode assembly and the electrolyte liquid inside; wherein the negative electrode is formed by binding a negative electrode active substance to a negative electrode collector with a negative electrode binder; and wherein the electrolyte liquid comprises a fluorine-containing cyclic ether compound. | 06-27-2013 |
20130164604 | SECONDARY BATTERY - An objection is to provide a high performance secondary battery having good flame retardancy and cycle properties. The present exemplary embodiment provides a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with a negative electrode binder, and the electrolyte liquid comprises a supporting salt and an electrolytic solvent, the electrolytic solvent comprising at least one phosphate ester compound selected from phosphite esters, phosphonate esters and bisphosphonate esters. | 06-27-2013 |
20130164605 | SECONDARY BATTERY - An object of the present invention is to provide a secondary battery in which the decomposition of an electrolyte liquid is suppressed and the generation of a gas is reduced, even in the case of using a laminate film as a package. The present exemplary embodiment is a secondary battery of a stacked laminate type comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is made by binding a negative electrode active substance containing a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions, and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with at least one selected from polyimides and polyamideimides; and the electrolyte liquid comprises acrylonitrile or an acrylonitrile compound being an acrylonitrile derivative. | 06-27-2013 |
20130171508 | POUCH TYPE BATTERY - A pouch type battery, including: an electrode assembly; a pouch accommodating the electrode assembly; a first electrode tab electrically connected to the electrode assembly, the first electrode tab extending outside of the pouch; a positive temperature coefficient (PTC) device electrically connected to the first electrode tab, the PTC device being fixed to the pouch by a photocurable adhesive; and a lead plate electrically connected to the PTC device. | 07-04-2013 |
20130177801 | LITHIUM PRIMARY CELL - The present disclosure is directed to a primary electrochemical cell having an improved discharge performance, and/or improved reliability under physical abuse and/or partial discharge. More particularly, the present disclosure is directed to such a primary cell that comprises an improved cathode material comprising iron disulfide and a select pH-modifier and an improved non-aqueous electrolyte that comprises a solvent, a salt, pH-modifiers, and selected organic or inorganic additives, which improve cell stability and discharge performance. | 07-11-2013 |
20130183575 | ELECTROCHEMICAL DEVICE - An electrochemical device which can keep a conductive lid properly joined to a rigid case is provided. A conductive lid | 07-18-2013 |
20130183576 | SECONDARY BATTERY - An object is to provide a higher-performance secondary battery, particularly to provide a secondary battery having a low impedance. The present exemplary embodiment is a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid, and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode includes a negative electrode active substance containing at least one selected from a metal (a) capable of being alloyed with lithium, and a metal oxide (b) capable of occluding and releasing lithium ions, a negative electrode binder, and a negative electrode current collector; and the electrolyte liquid contains a sulfide compound. | 07-18-2013 |
20130189564 | Lithium Ion Battery and Manufacturing Method Thereof - The present invention relates to a lithium ion battery, with thin shell wall, simple structure and high energy density. The lithium ion battery comprises a cell and a shell for containing the cell, the front end of the cell is connected with a protective plate and a top cover, the top cover and the shell are connected through fasteners, and the shell is a plastic shell. With respect to the conventional art, the top cover and the shell are connected and assembled through fasteners, just a few of workstations are required to complete the assembly of the whole shell, the structure of the lithium battery is simplified, labor and time are greatly saved, and the production efficiency is improved. In addition, the disclosure also discloses a method for manufacturing the lithium ion battery. | 07-25-2013 |
20130189565 | Batteries Having Nanostructured Composite Cathode - A battery having a negative electrode including an anode current collector having at least one sheet of carbon nanotubes and semiconductor material deposited on the sheet; a positive electrode including a cathode current collector having at least one sheet of carbon nanotubes having a nickel sulfide or tin sulfide deposited on the sheet; and a separator situated between the negative electrode and positive electrode is provided. Methods for forming a cathode having nickel sulfide or tin sulfide deposited on a carbon nanotube sheet are also provided. | 07-25-2013 |
20130189566 | Rechargeable Electrochemical Battery Cell - Rechargeable lithium battery cell having a housing, a positive electrode, a negative electrode and an electrolyte containing a conductive salt, wherein the electrolyte comprises SO | 07-25-2013 |
20130196212 | High Energy Battery And The Manufacture Method Thereof - A 1.5V battery and manufacturing method thereof is disclosed. The battery includes a positive electrode composed of 80%-90 weight-% of pyrite, up to 3.5% of conductive carbon black, 3%-5% of graphite, 2%-4% of oxide or lithium oxide and 1%-4% of water-soluble adhesive; a negative electrode composed of lithium metal or a lithium-aluminum alloy; an electrolyte composed of an organic solvent selected from three or more of NMP, PC, DME, DOL, isoxazoles, THF, DMSO and SFL; and an inorganic salt solute selected from one or more of LiClO | 08-01-2013 |
20130196213 | GALVANIC CELL FOR AN ACCUMULATOR - The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material. | 08-01-2013 |
20130202949 | RECHARGEABLE BATTERY HAVING A WALL ELEMENT AND WALL ELEMENT THEREFOR - The invention relates to a rechargeable battery comprising a battery housing which has a cell cavity, or several cell cavities separated by dividing walls. One or more of the cell cavities have at least one respective positive and negative electrode, separated from each other by at least one separator and a liquid electrolyte. One or more of the cell cavities have a respective wall element, which partitions the respective cell cavity into at least two volume chambers which communicate with one another. At least in the lower regions of the volume chambers, a communicating connection between the volume chambers for the liquid electrolytes is provided and in the upper region of the volume chambers, a pressure compensation connection between the volume chambers for assuring equal air pressure in the volume chambers communicating chambers is provided. Also disclosed is a wall element for such a rechargeable battery, and a battery housing. | 08-08-2013 |
20130209863 | ACTIVE MATERIAL FOR BATTERY, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK - According to one embodiment, there is provided a active material for a battery including a complex oxide containing niobium and titanium. A ratio M | 08-15-2013 |
20130209864 | ALKALINE BATTERY - There is provided An inside-out alkaline battery, including: a cylindrical cathode can that has a bottom, that performs a function of a cathode current collector, that has a nickel-plated layer on an inner surface of the cathode can, and that has a coating on a surface layer of the nickel-plated layer,
| 08-15-2013 |
20130209865 | Cathode For Lithium Secondary Battery And Lithium Secondary Battery Comprising The Same - Disclosed is a cathode for a lithium secondary battery and a lithium secondary battery comprising the same. The cathode may include a current collector, a first composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the current collector, and a second composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the first composite layer. A specific surface area of the olivine-type lithium iron phosphate cathode active material powder in the second composite layer may be at least 1.2 times larger than that of the olivine-type lithium iron phosphate cathode active material powder in the first composite layer. The cathode for a lithium secondary battery has excellent safety, high energy density, and high output performance. | 08-15-2013 |
20130209866 | BATTERY PACK LOCK STRUCTURE AND ELECTRONIC APPARATUS - The present invention simplifies locking of a battery pack ( | 08-15-2013 |
20130216896 | POUCH TYPE BATTERY - A pouch type battery that can protect a metal layer exposed to ends of a pouch using a photocurable adhesive and can fix adhesion parts to the pouch, thereby achieving a simplified, automated process, instead of a manually taping process. The pouch type battery includes an electrode assembly including a first electrode plate, a second electrode plate and a separator, a pouch accommodating the electrode assembly and having adhesion parts formed by adhering opposing edges, and a photocurable adhesive applied to the adhesion parts of the pouch and sides of the pouch. | 08-22-2013 |
20130216897 | CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode for a lithium secondary battery and a lithium secondary battery comprising the same. The cathode for a lithium secondary battery may include a current collector, a first composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the current collector, and a second composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the first composite layer. A specific surface area of the olivine-type lithium iron phosphate cathode active material powder in the second composite layer may be 0.8 times or less that of the olivine-type lithium iron phosphate cathode active material powder in the first composite layer. The cathode for a lithium secondary battery has excellent stability, high energy density, and improved cycle life characteristics. | 08-22-2013 |
20130224569 | METAL OXYGEN BATTERY - Provided is a metal oxygen battery having an excellent charge/discharge capacity and cycle performance. A metal oxygen battery includes a positive electrode containing an oxygen-storing material and to which oxygen is applied as an active substance, a negative electrode to which a metal is applied as an active substance, an electrolyte layer disposed between the positive electrode and the negative electrode, and a case hermetically housing the positive electrode, the negative electrode and the electrolyte layer. The oxygen-storing material has the functions of, during discharge, ionizing stored oxygen and releasing ionized oxygen, and causing the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into the positive electrode to thereby form a metal oxide, and of, during charge, storing oxygen by reduction of the metal oxide. The metal oxide formed during discharge contains an amorphous oxide. | 08-29-2013 |
20130224570 | NONAQUEOUS-ELECTROLYTE BATTERY - The purpose of the present invention is to provide a nonaqueous-electrolyte battery that exhibits high charge/discharge performance, i.e. high input/output performance, over a long period of time. This nonaqueous-electrolyte battery, in which a nonaqueous electrolyte and a group of electricity-generation elements that each have a positive electrode, a negative electrode, and a separator that isolates said positive electrode and negative electrode are sealed inside a battery case, is characterized in that the negative electrodes contain graphite having an edge/surface ratio (fe), as defined by the following equation, of 0.03-0.1. fe=(2B/La+T/d | 08-29-2013 |
20130224571 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A lithium ion secondary battery including: a positive electrode including a positive electrode active material represented by the general formula: Li | 08-29-2013 |
20130230762 | SECONDARY BATTERY AND SECONDARY BATTERY ELECTROLYTIC SOLUTION FOR USE IN SECONDARY BATTERY - A secondary battery capable of suppressing deterioration of rate characteristics and cycle characteristics even under a high-temperature environment is provided. The secondary battery according to an exemplary embodiment is a secondary battery having an electrode element in which a positive electrode and a negative electrode are arranged so as to face each other, an electrolytic solution and an outer package packaging the electrode element and the electrolytic solution, in which the negative electrode is formed by binding a negative electrode active material to a negative electrode collector, with a negative electrode binder; and the electrolytic solution contains an organic sulfurane compound. The secondary battery electrolytic solution according to the exemplary embodiment contains an organic sulfurane compound. | 09-05-2013 |
20130236771 | RECHARGEABLE BATTERY AND METHOD OF MANUFACTURING THE SAME - A rechargeable battery and a method of manufacturing the same, the battery including an electrode assembly, the electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; and a case accommodating the electrode assembly, wherein each of the first and second electrodes includes a coated region having an active material layer on a current collector and an uncoated region free of the active material layer, and in at least one electrode of the first and second electrodes, the current collector is characterized by an x-ray diffraction pattern in which a ratio of an FWHM of a largest peak:an FWHM of a second largest peak of the current collector in the uncoated region is greater than a ratio of an FWHM of a largest peak:an FWHM of a second largest peak of the current collector in the coated region. | 09-12-2013 |
20130236772 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate and a separator interposed therebetween; and a battery case in which the electrode assembly is accommodated. The first electrode plate is composed of a first coated portion having a first active material coated on a first substrate and a first non-coated portion. The second electrode plate is composed of a second coated portion having a second active material coated on a second substrate and a second non-coated portion. In the secondary battery, the section of a boundary portion between the first or second coated portion and the first or second non-coated portion is inclined. | 09-12-2013 |
20130244086 | NEGATIVE ELECTRODE FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are a negative electrode for a secondary battery realizing satisfactory cycle characteristics and a method for manufacturing the same, and a nonaqueous electrolyte secondary battery having satisfactory cycle characteristics. A negative electrode for a secondary battery formed by bonding a negative electrode active material to a negative electrode collector with a negative electrode binder, in which the negative electrode binder is a polyimide or a polyamide-imide, and the negative electrode collector is a Cu alloy containing at least one metal (a) selected from the group consisting of Sn, In, Mg and Ag and has a conductivity of 50 IACS % or more. The negative electrode for a secondary battery can be manufactured by a method including forming a negative electrode layer containing the negative electrode active material and the precursor of the negative electrode binder on the negative electrode collector; and bonding the negative electrode active material to the negative electrode collector with the negative electrode binder by curing the precursor of the negative electrode binder at 250 to 350° C. | 09-19-2013 |
20130244087 | NEGATIVE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME AND LITHIUM ION BATTERY COMPRISING THE SAME - A negative active material, a method for preparing the negative active material and a lithium ion battery comprising the same are provided. The negative active material may comprise: a core, an intermediate layer consisting of a first material and an outmost layer consisting of a second material, which is coated on a surface of the intermediate layer. The first material may be at least one selected from the group consisting of the elements that form alloys with lithium, and the second material may be at least one selected from the group consisting of transition metal oxides, transition metal nitrides and transition metal sulfides. | 09-19-2013 |
20130252076 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a nonaqueous electrolyte battery is provided. A positive electrode contains a lithium-nickel-cobalt-manganese complex oxide represented by the formula Li | 09-26-2013 |
20130252077 | ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK - According to one embodiment, there is provided an electrode. The electrode includes a current collector and an active material layer provided on the current collector. The active material layer contains an active material and an acrylic based polymer. | 09-26-2013 |
20130260215 | RECHARGEABLE BATTERY - A battery may include an electrode assembly including a first electrode and a second electrode, an electrode terminal, a current collecting member electrically connecting the electrode terminal and a first electrode uncoated region of the first electrode, a fixing member, and a case. The current collecting member may include a terminal connecting portion coupled to the electrode terminal and an electrode connecting portion extending from the terminal connecting portion. The electrode connecting portion may include an extending connecting plate and a current collecting piece extending from the connecting plate and being in contact with the first electrode uncoated region along sidewalls of the first electrode uncoated region. The fixing member may include a current collecting member coupling portion engaged with the current collecting member, the electrode connecting portion extending through the fixing member. The fixing member may be between the current collecting member and the case. | 10-03-2013 |
20130260216 | Nickel Hydrogen Rechargeable Battery - A nickel hydrogen rechargeable battery contains an electrode group made up of positive and negative electrode put together with a separator intervening therebetween. The positive electrode includes positive-electrode active material particles each having a base particle composed mainly of nickel hydroxide and a conductive layer that covers the surface of the base particle and is made from a Co compound containing Li. The negative electrode includes a rare earth-Mg—Ni-based hydrogen storage alloy containing a rare-earth element, Mg and Ni. The total amount of Li contained in the battery is in a range of from 15 to 50 (mg/Ah) on the condition that the Li is converted into LiOH, and that the total amount of Li is found as a mass per Ah of positive electrode capacity. | 10-03-2013 |
20130260217 | BATTERY, NEGATIVE ELECTRODE FOR BATTERY, BATTERY PACK, ELECTRONIC APPARATUS, ELECTRIC VEHICLE, ELECTRICITY STORAGE APPARATUS AND ELECTRIC POWER SYSTEM - A battery includes a positive electrode, a negative electrode where a negative electrode active material layer containing a negative electrode active material containing natural graphite is formed on at least one surface of a negative electrode collector, and an electrolyte. A thickness of the negative electrode active material layer per one surface of the negative electrode collector is 50 μm or more and 100 μm or less, and in the negative electrode active material layer from the negative electrode collector up to ½ of the thickness of the layer in a surface direction of the negative electrode active material layer, an orientation degree A expressed as (peak intensity of carbon 002 face/peak intensity of carbon 110 face) that is a peak intensity ratio of a carbon 002 face and a carbon 110 face measured by an X-ray diffraction is 100 or more and 500 or less. | 10-03-2013 |
20130260218 | SECONDARY BATTERY AND ELECTROLYTE SOLUTION FOR SECONDARY BATTERY TO BE USED IN SAME - Provided is a secondary battery having a good battery property at a high temperature. A secondary battery according to an exemplary embodiment of the invention comprises a negative electrode and an electrolyte liquid; wherein the negative electrode is formed by binding a negative electrode active substance on a negative electrode collector with a negative electrode binder; and wherein the electrolyte liquid comprises a compound (A) having a C═S bond. In this embodiment, the negative electrode active substance is formed by covering at least one of a metal (a) that can be alloyed with lithium and a metal oxide (b) that can absorb and desorb a lithium ion with a carbon material (c). Alternatively, the negative electrode active substance comprises a metal (a) that can be alloyed with lithium and the negative electrode binder negative electrode is a polyimide or a polyamide-imide. | 10-03-2013 |
20130260219 | SECONDARY BATTERY - A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case. | 10-03-2013 |
20130266844 | CONTOURED BATTERY FOR IMPLANTABLE MEDICAL DEVICES AND METHOD OF MANUFACTURE - A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case. | 10-10-2013 |
20130266845 | BATTERY - A battery includes a first electrode plate including a substantially rectangular first coating portion, and a first electrode tab connected to the first coating portion; a second electrode plate including a substantially rectangular second coating portion, and a second electrode tab connected to the second coating portion; a separator arranged between the first electrode plate and the second electrode plate; and a battery container that houses the first electrode plate, the second electrode plate, and the separator. The first electrode tab has a first rectangular portion having a substantially rectangular shape, and a first triangular portion that is connected to the first rectangular portion and the first coating portion, and the first triangular portion has a substantially straight oblique side that extends from the middle of the first rectangular portion. | 10-10-2013 |
20130266846 | SECONDARY BATTERY - A secondary battery having high capacity and satisfactory high-temperature cycle characteristics is provided. A secondary battery according to the exemplary embodiment has an electrode element in which a positive electrode and a negative electrode are arranged so as to face each other, an electrolytic solution and an outer package packaging the electrode element and the electrolytic solution, wherein the negative electrode is formed by binding a negative electrode active material containing at least one of a metal (a) capable of forming an alloy with lithium and a metal oxide (b) capable of absorbing and releasing lithium ions, to a negative electrode collector, with a polyimide or a polyamide-imide serving as a negative electrode binder; and the electrolytic solution contains a phosphazene compound. | 10-10-2013 |
20130266847 | LITHIUM SECONDARY BATTERY - The object of an exemplary embodiment of the invention is to provide a lithium secondary battery which has high energy density by containing a positive electrode active substance operating at a potential of 4.5 V or higher with respect to lithium and which has excellent cycle property. An exemplary embodiment of the invention is an lithium secondary battery, which comprises a positive electrode comprising a positive electrode active substance and an electrolyte liquid comprising a nonaqueous electrolyte solvent; wherein the positive electrode active substance operates at a potential of 4.5 V or higher with respect to lithium; and wherein the nonaqueous electrolyte solvent comprises a fluorine-containing phosphate represented by a prescribed formula. | 10-10-2013 |
20130280593 | LAMINATING WATER-BASED SURFACE TREATMENT AGENT, SURFACE TREATMENT METHOD AND SURFACE TREATED MATERIAL - A laminating water-based surface treatment agent according to the present invention includes a chitosan derivative, a carboxyl compound having at least one carboxyl group in a molecule, and water. The content mass ratio of the chitosan derivative/the carboxyl compound falls within a range of 1.0/0.5 to 1.0/3.0. The laminating water-based surface treatment agent of the present invention can form an undercoating excellent in HF-resistance, electrolyte resistance, and solvent resistance, and also can sufficiently secure laminating adherence for a long term under more extreme environments required for a packaging material for a battery case or a tab lead for, e.g., a lithium ion secondary battery for automobiles. | 10-24-2013 |
20130280594 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery using silicon and silicon oxide as a negative electrode active material, the charge and discharge cycle characteristics are improved. A nonaqueous electrolyte secondary battery in the exemplary embodiment comprises a sheet-shaped negative electrode comprising a negative electrode active material layer comprising a composite of silicon and silicon oxide formed on a negative electrode current collector, and a sheet-shaped positive electrode comprising a positive electrode active material layer formed on a positive electrode current collector, wherein the negative electrode is disposed opposed to the positive electrode via a separator, a peripheral edge portion of the negative electrode active material layer is disposed within a peripheral edge portion of the positive electrode active material layer, and a relationship of 1.0010-24-2013 | |
20130280595 | LEAD-ACID BATTERY - A lead-acid battery improving the charge acceptance in an initial stage, suppressing the decrease of the charge acceptance for a long time use of the battery and having a long life is provided. In a lead-acid battery using a paste type negative plate prepared by filling a past form negative active material using a lead powder as a starting material in a collector made of a lead alloy, a flake graphite and a condensate of bisphenols and aminobenzene sulfonic acid are contained in the negative active material. The average primary particle diameter of the flake graphite is 10 μm or more and 220 μm or less, preferably, 100 μm or more and 220 μm or less. The content of the flake graphite is preferably from 0.5 mass parts to 2.7 mass parts and, more preferably, from 1.1 mass parts to 2.2 mass parts based on 100 mass parts of the negative active material (spongy metallic lead) in a fully charged state. | 10-24-2013 |
20130295439 | BATTERY CELL ENGINEERING AND DESIGN TO REACH HIGH ENERGY - Improved high energy capacity designs for lithium ion batteries are described that take advantage of the properties of high specific capacity anode active compositions and high specific capacity cathode active compositions. In particular, specific electrode designs provide for achieving very high energy densities. Furthermore, the complex behavior of the active materials is used advantageously in a radical electrode balancing design that significantly reduced wasted electrode capacity in either electrode when cycling under realistic conditions of moderate to high discharge rates and/or over a reduced depth of discharge. | 11-07-2013 |
20130295440 | MOISTURE-LIMITED ELECTRODE ACTIVE MATERIAL, MOISTURE-LIMITED ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an electrode active material containing moisture in an amount less than 2,000 ppm per 1 g of lithium metal oxide or moisture in an amount less than 7,000 ppm per 1 cm | 11-07-2013 |
20130295441 | SEPARATOR FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - Provide is a separator for a power storage device, which reliably prevents short circuits between positive and negative electrode layers while maintaining the permeating ions function, and effectively suppresses shrinkage, and a power storage device using the separator. The separator is composed of a composite material including inorganic microparticles and an organic binder, the composite material has a pigment volume concentration of 55% or more, and the inorganic microparticles have an average particle size in the range of 0.2 to 3.0 μm, and a general particle shape index in the range of 0.50 to 0.85. The composite material can have a pigment volume concentration in the range of 55 to 80%, or 55 to 65%. | 11-07-2013 |
20130302664 | MULTIPLE PIECE BATTERY CELL ISOLATOR - A lithium ion cell includes a housing and positive and negative terminals. The housing includes top and bottom surfaces. The housing includes first, second, third, and fourth side surfaces, perpendicular to the top and bottom surfaces. A cell isolator includes first and second portions made of an electrically non-conductive material. The first portion includes first, second, and third wall members. The first wall member directly contacts the first side surface. The second wall member directly contacts a portion of the second side surface. The third wall member directly contacts a portion of the third side surface. The second portion includes fourth, fifth, and sixth wall members. The fourth wall member directly contacts the fourth side surface. The fifth wall member directly contacts portions of the second side surface and the second wall member. The sixth wall directly contacts portions of the third side surface and the third wall member. | 11-14-2013 |
20130302665 | BATTERY ENCASEMENT - An encasement for an electrochemical cell and method of making such encasement is discloses. The design of the encasement results in an encasement having an area of high stress located away from the weld zone area of the encasement, where the cover and the case are welded together. | 11-14-2013 |
20130302666 | ELECTRODE ACTIVE MATERIAL CONTAINING POLYDOPAMINE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed are an electrode active material including lithium metal oxide particles and a polydopamine layer formed on a surface of each of the lithium metal oxide particles, and a lithium secondary battery including the same. | 11-14-2013 |
20130309556 | THIN FILM ENCAPSULATION FOR THIN FILM BATTERIES AND OTHER DEVICES - An electrochemical device is claimed and disclosed, including a method of manufacturing the same, comprising an environmentally sensitive material, such as, for example, a lithium anode; and a plurality of alternating thin metallic and ceramic, blocking sub-layers. The multiple metallic and ceramic, blocking sub-layers encapsulate the environmentally sensitive material. The device may include a stress modulating layer, such as for example, a Lipon layer between the environmentally sensitive material and the encapsulation layer. | 11-21-2013 |
20130316223 | ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is an anode active material for secondary batteries enabling intercalation and deintercalation of lithium ions, the anode active material comprising lithium metal oxide containing a halogen atom. | 11-28-2013 |
20130316224 | Method For Preparing Secondary Battery And The Secondary Battery Prepared By Using The Same - Disclosed is a method for producing a secondary battery in which an electrode assembly comprising a cathode, an anode and a separator interposed between the cathode and the anode is accommodated in a battery case, the method comprising inserting the electrode assembly into the battery case, injecting an electrolyte into the battery case accommodating the electrode assembly to obtain a secondary battery, storing the secondary battery at a SOC of 1 to 20 for 3 hours to 10 days, removing gas present in the secondary battery, and sealing the battery case, wherein the anode comprises lithium titanium oxide (LTO) represented by the following Formula 1 as an anode active material: | 11-28-2013 |
20130323578 | ALKALINE RECHARGEABLE BATTERY - An alkaline rechargeable battery comprises an electrode assembly formed of a positive electrode and a negative electrode stacked with a separator interposed between and an alkaline electrolyte, wherein the positive electrode holds a positive electrode mixture containing positive-electrode active material particles, each comprising of a base particle formed primarily of nickel hydroxide, coated with a conducive layer of a Co compound containing Li, and a positive-electrode additive containing aluminum hydroxide, distributed between the positive-electrode active material particles, where the amount U of the positive-electrode additive (in parts by weight) relative to 100 parts by weight of the positive-electrode active material particles satisfies 0.01≦U<1.5, and wherein Li is present within the alkaline rechargeable battery, where the total amount of Li present within the alkaline rechargeable battery, in terms of weight of LiOH per unit positive-electrode capacitance 1 Ah, is between 20 and 30 (mg/Ah). | 12-05-2013 |
20130330596 | ELECTROCHEMICAL DEVICE - An electrochemical device includes a container, a storage element, and a structure. The container includes a container main body including a first inner surface, and a lid including a second inner surface opposed to the first inner surface. The lid is bonded to the container main body. The container contains an electrolyte. The storage element includes first and second electrode layers respectively adhered to the first and second inner surfaces and a separator provided between the first and second electrode layers to retain the electrolyte, and is sandwiched between the first and second inner surfaces. The structure is provided in at least either one of the first and second inner surfaces. The structure compresses and deforms the storage element to form, in an area of the separator sandwiched between the first and second electrode layers, a thin wall portion thinner than in a peripheral area around the area. | 12-12-2013 |
20130330597 | ANODE ACTIVE MATERIAL HAVING HIGH CAPACITY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode active material comprising a lithium metal oxide, and a metal powder reacting with lithium ions present in an electrolyte to form a lithium alloy, or a metal oxide, the metal powder or the metal oxide having a content of not lower than 1% by weight and not higher than 30% by weight, based on the total weight of an anode mix, and a lithium secondary battery comprising the same. | 12-12-2013 |
20130330598 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are provided. The non-aqueous electrolyte solution includes an organic solvent, an ionizable lithium salt, a dinitrile compound including an ether bond represented by Chemical Formula 1, and an aliphatic dinitrile compound represented by Chemical Formula 2. The lithium secondary battery including the non-aqueous electrolyte solution having the possibility of generating a swelling phenomenon while storing or charging/discharging at a high temperature may be restrained. In addition, a cycle life of the charging/discharging may be improved. | 12-12-2013 |
20130330599 | FEED-THROUGH - A feed-through, for example a battery feed-through for a lithium-ion battery or a lithium ion accumulator, has at least one base body which has at least one opening through which at least one conductor, for example a pin-shaped conductor, embedded in a glass material is guided. The base body contains a low melting material, for example a light metal, such as aluminum, magnesium, AlSiC, an aluminum alloy, a magnesium alloy, titanium, titanium alloy or steel, in particular special steel, stainless steel or tool steel. The glass material consists of the following in mole percent: 35-50% P | 12-12-2013 |
20130330600 | GLASS, IN PARTICULAR SOLDER GLASS OR FUSIBLE GLASS - A glass, for example a glass solder, includes the following components in mole percent (mol-%): P | 12-12-2013 |
20130337314 | Negative Electrode Material for Non-Aqueous Electrolyte Secondary Battery, Negative Electrode Active Material for Non-Aqueous Electrolyte Secondary Battery, and Non-Aqueous Electrolyte Secondary Battery - There is provided a negative electrode material for non-aqueous electrolyte secondary batteries, the negative electrode material being a silicon oxide represented by the composition formula, SiO | 12-19-2013 |
20130337315 | ELECTRODE FOR BATTERY AND PRODUCTION METHOD THEREOF, NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK, AND ACTIVE MATERIAL - According to one embodiment, there is provided an electrode for battery which includes a current collector and an active material layer provided on the current collector. The active material layer contains particles of a lithium titanate compound having a spinel structure and a basic polymer. Here, the basic polymer is coating at least a part of the surface of the particles of the lithium titanate compound. | 12-19-2013 |
20140030582 | EMF-SHIELDED PLASTIC PREPREG HYBRID STRUCTURAL COMPONENT - The present invention relates to an EMF-screened plastic-organic sheet hybrid structural component, preferably a battery housing, and to its use in motor vehicles, preferably in electrically powered motor vehicles or hybrid motor vehicles, the abbreviation EMF meaning electromagnetic field(s). | 01-30-2014 |
20140030583 | NICKEL-METAL HYDRIDE SECONDARY CELL AND NEGATIVE ELECTRODE THEREFOR - A nickel-metal hydride secondary cell holds therein an electrode group and an alkaline electrolyte solution containing NaOH as a main constituent of its solute. The electrode group has positive and negative electrodes lapped one over the other with a separator therebetween. The negative electrode contains a hydrogen absorbing alloy having a composition represented by the general formula: (RE | 01-30-2014 |
20140030584 | THIN FILM BATTERY ON AN INTEGRATED CIRCUIT OR CIRCUIT BOARD AND METHOD THEREOF - An electrochemical device includes an environmentally sensitive layer and a thin encapsulation layer deposited over said sensitive layer in which the thin encapsulation is a ceramic-metal composite laminate. | 01-30-2014 |
20140045041 | RECHARGEABLE BATTERY - A rechargeable battery including: an electrode assembly; a center pin arranged at a center of the electrode assembly; a case containing the electrode assembly; and a cap assembly coupled to an opening of the case and electrically connected to the electrode assembly, and the center pin includes a first pipe arranged at the center of the electrode assembly, and a second pipe arranged in the first pipe with a buffering space between the first pipe and the second pipe, the second pipe having a strength that is different from a strength of the first pipe. | 02-13-2014 |
20140045042 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte formed by dissolving LiPF | 02-13-2014 |
20140045043 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly and a nonaqueous electrolyte. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The capacity of the battery is not less than 21 Ah. The negative electrode is provided on the outer periphery side of the electrode assembly. The nonaqueous electrolyte contains lithium difluorophosphate. | 02-13-2014 |
20140045044 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly, a nonaqueous electrolyte, and a container. The electrode assembly has a positive electrode, a negative electrode, and a separator. The positive electrode contains particles of a lithium transition metal compound as a positive electrode active material. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The nonaqueous electrolyte contains lithium difluorophosphate. The container houses the electrode assembly and the nonaqueous electrolyte. The battery capacity is not less than 21 Ah. The mean particle diameter (D | 02-13-2014 |
20140045045 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte; and an aluminum laminated outer body that stores the stacked electrode assembly and into which the electrolyte is poured. The positive electrode plate contains a positive electrode active material. The negative electrode plate contains a negative electrode active material. The nonaqueous electrolyte contains LiBOB (lithium bis(oxalato)borate) and/or a boron-containing substance derived from the LiBOB. The aluminum laminated outer body has an outer surface area of 300 cm | 02-13-2014 |
20140050970 | NICKEL-ZINC SECONDARY BATTERY AND METHOD FOR PREPARING THE SAME - The present invention provides a nickel-zinc secondary battery, including: a battery case; an electrode assembly, disposed in the battery case; and an electrolyte solution, positioned in the battery case, and filled around the electrode assembly, wherein the electrode assembly includes a nickel positive electrode, a zinc negative electrode, and a membrane separator disposed between the nickel positive electrode and the zinc negative electrode; the nickel positive electrode includes: a substrate and positive electrode material coated on the surface of the substrate; the positive electrode material includes: 68 wt %˜69 wt % positive electrode active material, 0.6 wt %˜1 wt % yttrium oxide, 0.2 wt %˜0.6 wt % calcium hydroxide, 3.5 wt %˜4 wt % nickel powder, and a binder in balance; and the positive electrode active material is a spherical nickel hydroxide coated with Co3+. The nickel-zinc secondary battery provided by the present invention can reduce the amount of hydrogen evolved and have good cycling performance while maintaining the battery capacity. The present invention further provides a method for preparing a nickel-zinc secondary battery. | 02-20-2014 |
20140057159 | Graphite Particles And Lithium Secondary Battery Using The Same As Negative Electrode - A method for forming a negative electrode for a lithium secondary battery, includes providing a paste comprising graphite particulates comprise assembled or bound graphite particles in each of which a plurality of flat-shaped particles are assembled or bound together so that the planes of orientation are not parallel to one another, and the mixture including 3 to 10 parts by weight of the organic binder per 100 parts by weight of the graphite particulates, a binder and a solvent, coating the paste on a current collector, drying the paste coated on the current collector to form a mixture of the graphite particulates and the binder, and integrating the mixture with the current collector by pressing to provide a density of the mixture of graphite particulates and organic binder of 1.5 to 1.9 g/cm | 02-27-2014 |
20140065469 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a positive electrode containing an active material, a negative electrode, and a nonaqueous electrolyte, the negative electrode including a current collector and a negative electrode active material supported by the current collector, the negative electrode active material having a Li insertion potential not lower than 0.2V (vs. Li/Li | 03-06-2014 |
20140072862 | METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - A method of producing a lithium ion secondary battery includes: selecting a positive electrode active material that has a prescribed specific surface area, and preparing a nonaqueous electrolyte solution that contains a compound with a following formula (1) at a prescribed concentration. In an xy-coordinate plane that gives a relationship between a specific surface area x [m | 03-13-2014 |
20140093771 | LITHIUM BATTERY - A lithium battery, including an anode, a cathode, an electrolyte solution and a package structure. The anode includes a material having an oxygen-containing functional group. The cathode and the anode are configured separately, and a housing region is defined between the cathode and the anode. The electrolyte solution is disposed in the housing region, and the electrolyte solution includes water and an additive. The package structure covers the anode, the cathode and the electrolyte solution. | 04-03-2014 |
20140099531 | SULFIDE-BASED SOLID CELL MODULE - An object of the present invention is to provide a sulfide-based solid cell module which prevents a deterioration in negative electrode caused by hydrogen sulfide. | 04-10-2014 |
20140099532 | SECONDARY BATTERY - A secondary battery that includes a battery case having a first surface; and a cover that covers at least one portion of the first surface. In the secondary battery, the cover includes at least one extension member that covers at least one portion of a second surface vertically connected to the first surface of the battery case. The second surface of the battery case is provided with a mounting portion on which the extension member is mounted, and the mounting portion is provided to be recessed inward from a peripheral portion of the mounting portion. | 04-10-2014 |
20140106204 | ELECTRIC STORAGE DEVICE, COVERING SHEET, AND CONTAINER COVERING METHOD - There is provided an electric storage device including a power generating element, a housing container for housing the power generating element and including an upper face, a bottom face, and four side faces and a covering member formed by winding an insulating sheet around the housing container. The housing container includes round portions or chamfered portions formed between the adjacent side faces and round or chamfered boundary portions formed between the bottom face and the side faces. The covering member covers parts of the boundary portions, the side faces, and the round portions or the chamfered portions. | 04-17-2014 |
20140106205 | SECONDARY BATTERY - A secondary battery includes: a case; an electrode assembly housed in the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode having a coating portion coated with a first active material and a non-coating portion absent the first active material; and a collector plate including first and second collector plates enmeshed together with the non-coating portion therebetween. | 04-17-2014 |
20140106206 | ELECTRODE ASSEMBLY, BATTERY CELL, MANUFACTURING METHOD OF ELECTRODE ASSEMBLY, AND MANUFACTURING METHOD OF BATTERY CELL - The present invention relates to a method of manufacturing an electrode assembly, the method including: preparing an electrode laminate including at least one negative electrode, at least one positive electrode, and at least one separation film; generating a separation film assembly by bonding remaining portions of the separation film positioned in regions not corresponding to shapes of the negative electrode and the positive electrode; and cutting the separation film assembly so as to correspond to the shapes of the negative electrode and the positive electrode, and an electrode assembly manufactured by the method. | 04-17-2014 |
20140113181 | ELECTROCHEMICAL ENERGY STORAGE DEVICES - Provided herein are energy storage devices. In some cases, the energy storage devices are capable of being transported on a vehicle and storing a large amount of energy. An energy storage device is provided comprising at least one liquid metal electrode, an energy storage capacity of at least about 1 MWh and a response time less than or equal to about 100 milliseconds (ms). | 04-24-2014 |
20140113182 | Rechargeable Electrochemical Cell - The present invention relates to a rechargeable electrochemical battery cell having a housing, a positive electrode, a negative electrode, and an electrolyte, the electrolyte containing sulfur dioxide and a conductive salt of the active metal of the cell. The total quantity of oxygen-containing compounds contained in the cell that are able to react with the sulfur dioxide, reducing the sulfur dioxide, is not more than 10 mMol per Ah theoretical capacitance of the cell. | 04-24-2014 |
20140120410 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive electrode includes a current collector and a positive active mass layer on the current collector. The positive active mass layer includes a positive active material, active carbon, a conductive material, and a binder. The active mass density of the positive active mass layer and the thickness of the positive active mass layer satisfy Equation 1. | 05-01-2014 |
20140120411 | NICKEL HYDRIDE SECONDARY BATTERY - A nickel hydride secondary battery houses an electrode group including a positive electrode and a negative electrode which are overlapped with each other via a separator with an alkaline electrolyte solution, the negative electrode includes a hydrogen absorbing alloy, a negative-electrode additive agent, a thickening agent, and a conductive material, and the negative-electrode additive agent includes at least one selected from calcium fluoride, calcium sulfide, and calcium chloride. | 05-01-2014 |
20140127556 | LITHIUM SALT AND ELECTROLYTE SOLUTION AND LITHIUM BATTERY CONTAINING THE SAME - A lithium salt is disclosed. The lithium salt includes a lithium ion and an anion represented by formula (I), | 05-08-2014 |
20140127557 | LITHIUM ION SECONDARY BATTERY - The object of an exemplary embodiment of the invention is to provide a lithium ion secondary battery having an excellent charge and discharge cycle property. An exemplary embodiment of the invention is a lithium ion secondary battery, comprising a battery assembly in which a positive electrode and a negative electrode are stacked through a separator and a package in which the battery assembly and an electrolyte are placed; wherein the negative electrode comprises a negative electrode collector which is composed of a metal and a negative electrode active material layer which is formed on the negative electrode collector and which comprises a negative electrode active material and a binder; wherein the negative electrode collector and the negative electrode active material layer have a crack which is formed so as to be communicated with each of them; and wherein the crack reaches an outer peripheral edge from an inside of the negative electrode. | 05-08-2014 |
20140147730 | SEALING AND FOLDING BATTERY PACKS - In a first embodiment, a battery pouch is provided with a pouch edge positioned to project from an underside of the battery. The pouch edge is sealed and folded toward the underside of the battery. The folded pouch edge increases a vertical dimension of the resulting battery assembly, but not a horizontal dimension. In a second embodiment, a battery pouch is provided with a first pouch edge positioned on a first edge of the battery and a second pouch edge positioned on a second edge of the battery. The battery pouch is configured such that at least one cut-out portion is positioned between either the first and second edge of the battery or between the first and second pouch edges. When the first and second ouch edges are sealed and folded upward, the folding does not cause creases that increase a horizontal dimension of the battery assembly. | 05-29-2014 |
20140147731 | Laminar Battery System - A battery system comprises a plurality of substantially planar layers extending over transverse areas. The plurality of layers comprises at least one cathode layer, at least one anode layer, and at least one separator layer therebetween. | 05-29-2014 |
20140162114 | BATTERY MODULE - To provide a battery module that easily can be made thinner and maintain reliability, a battery module of the present invention includes: a flat-plate base that includes a front surface and a back surface as two main surfaces; peripheral partition wall sections ( | 06-12-2014 |
20140170470 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - Provided is a secondary battery with improved safety through filling a polymer in a hardened state, and a method of manufacturing the same. The method of manufacturing a secondary battery according to the present disclosure includes preparing a polymer slurry by adding a polymer particle to an electrolyte solution, injecting the polymer slurry to a battery casing in which an electrode assembly is received, changing the polymer slurry to a polymer solution by heating the battery casing, and hardening the polymer solution by cooling the battery casing. | 06-19-2014 |
20140178745 | PACKAGING FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to a packaging for a cable-type secondary battery extending longitudinally, comprising: a hollow metal foil layer; a first polymer resin layer formed on one surface of the metal foil layer; and a second polymer resin layer formed on the other surface of the metal foil layer, and a cable-type secondary battery comprising the packaging. | 06-26-2014 |
20140186686 | NONAQUEOUS SECONDARY BATTERY AND SEPARATOR - A secondary battery in which convection in an electrolyte solution occurs easily is provided. A secondary battery whose electrolyte solution can be replaced is provided. A nonaqueous secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte solution, and the separator includes grooves capable of making convection in the electrolyte solution occur easily. The nonaqueous secondary battery has at least one expected installation direction, and the grooves in the separator are preferably formed so as to be perpendicular to an expected installation surface. The exterior body includes a first opening for injection of an inert gas into the exterior body and a second opening for expelling or injection of an electrolyte solution from or into the exterior body. An electrolyte solution replacement apparatus has a function of injecting the inert gas through the first opening and expelling or injecting the electrolyte solution through the second opening. | 07-03-2014 |
20140193697 | AQUEOUS ELECTROLYTE BATTERY - An aqueous electrolyte battery is provided with a positive electrode, a negative electrolyte, an aqueous electrolyte, and a deposition portion that promotes deposition of discharge product and that is provided at a location that contacts the aqueous electrolyte and that is a location other than at a catalyst included in the positive electrode. | 07-10-2014 |
20140199583 | ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND BATTERY PACK - An electrode for a nonaqueous electrolyte secondary battery of an embodiment has an active material layer containing an active material and a binder containing fluorine, and a current collector bound to the active material layer. When a thermal decomposition start temperature of the binder is T1° C. and the thermal decomposition end temperature is T2° C., one or more signals are present for any of the mass number of 81, 100, 132, and 200 in a thermal decomposition mass analysis between thermal decomposition temperatures of T1 and T2. When a signal area of the mass spectrum in the range of T1-100° C. or higher but lower than T1° C. is X, and a signal area of the mass spectrum in the range of T1 or higher but the same or lower than T2° C. is Y, the X and Y satisfy a relation of X≦Y. | 07-17-2014 |
20140199584 | ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND BATTERY PACK - An electrode for a nonaqueous electrolyte secondary battery of an embodiment has an active material layer containing an active material and a binder containing fluorine, and a current collector bound to the active material layer. When a thermal decomposition start temperature of the binder is T1° C. and a thermal decomposition end temperature of the binder is T2° C., one or more peaks are present in an ion chromatogram of any mass number selected at least from 81, 100, 132, and 200 in a thermal decomposition gas chromatography mass analysis at the thermal decomposition temperature of (T1+T2)/2° C. When a peak area at T1° C. is X, and a peak area at T2° C. is Y, the X and Y satisfy a relation of 2X≧Y. | 07-17-2014 |
20140212736 | CATHODE COMPOSITION FOR PRIMARY BATTERY - In some examples, a primary battery comprising a cathode comprising at least one active material and at least one of a metal oxide and metal fluoride, wherein the active material exhibits a first discharge capacity and the at least one of metal oxide and metal fluoride exhibits a second discharge capacity at a voltage lower than the first discharge capacity; an anode comprising a metal as an electron source; and an electrolyte between the cathode and anode. The metal reacts with the electrolyte below a third discharge capacity at a voltage lower than the second discharge capacity to form a gas, where the metal reacts with the active material at the first discharge capacity, and, following the consumption of the active material of the cathode, the metal reacts with the at least one of metal oxide and metal fluoride of the cathode prior to reacting with the electrolyte below the third discharge capacity. | 07-31-2014 |
20140220422 | STRETCHABLE ELECTRONIC SYSTEMS WITH FLUID CONTAINMENT - The present invention provides electronic systems, including device arrays, comprising functional device(s) and/or device component(s) at least partially enclosed via one or more fluid containment chambers, such that the device(s) and/or device component(s) are at least partially, and optionally entirely, immersed in a containment fluid. Useful containment fluids for use in fluid containment chambers of electronic devices of the invention include lubricants, electrolytes and/or electronically resistive fluids. In some embodiments, for example, electronic systems of the invention comprise one or more electronic devices and/or device components provided in free-standing and/or tethered configurations that decouple forces originating upon deformation, stretching or compression of a supporting substrate from the free standing or tethered device or device component. | 08-07-2014 |
20140220423 | BATTERY PACK - A battery pack includes a bare cell and a case portion accommodating the bare cell therein. The case portion includes a metal portion and an insulation portion covering at least one portion of the metal portion. The metal portion includes an irregularity portion. | 08-07-2014 |
20140234696 | ELECTROLYTIC SOLUTION, NON-AQUEOUS SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A non-aqueous secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution includes a non-aqueous solvent, an electrolyte salt, and one or both of a disulfonyl compound represented by a following Formula (1) and a disulfinyl compound represented by a following Formula (2), | 08-21-2014 |
20140242447 | MOUNTING STRUCTURE FOR ELECTRIC STORAGE APPARATUS - A mounting structure for an electric storage apparatus includes the electric storage apparatus, a vehicle body, a first reinforce, and a second reinforce. The electric storage apparatus outputs an energy for use in running of a vehicle. The vehicle body includes a concave portion opened upward in the vehicle. The concave portion houses the electric storage apparatus. The first reinforce is disposed along a bottom face of the concave portion and extends in a predetermined direction. The second reinforce is disposed along an upper face of the electric storage apparatus and extends in the predetermined direction. | 08-28-2014 |
20140248529 | LITHIUM ION BATTERY - A lithium ion battery that has a spinel cathode and a nonaqueous electrolyte comprising a fluorinated acyclic carboxylic acid ester and/or a fluorinated acyclic carbonate solvent is described. The lithium ion battery operates at a high voltage (i.e. up to about 5 V) and has improved cycling performance at high temperature. | 09-04-2014 |
20140272544 | BATTERY HAVING IMPROVED FEED-THROUGH ANDMETHOD FOR MAKING SAME - A battery includes a case having a lid. A feed-through assembly provides an electrical connection through the lid. Feed-through insulation is disposed over the feed-through assembly. An insulation layer is disposed over the inner surface of the lid and the feed-through assembly. The insulation layer comprises an aperture configured to accommodate the feed-through assembly and to form a compression joint with the feed-through insulation disposed over the feed-through assembly. | 09-18-2014 |
20140272545 | SECONDARY CELL, METHOD FOR MANUFACTURING SECONDARY CELL, POSITIVE ELECTRODE FOR SECONDARY CELLS, METHOD FOR MANUFACTURING POSITIVE ELECTRODE FOR SECONDARY CELLS, BATTERY PACK, ELECTRONIC DEVICE, AND ELECTRIC VEHICLE - A secondary cell has a positive electrode, a negative electrode, and an electrolyte, and the positive electrode contains insoluble sulfur. | 09-18-2014 |
20140272546 | METHOD AND APPARATUS FOR ASSEMBLY OF A RUGGED SUBMERSIBLE BATTERY ENCLOSURE - A battery enclosure includes a first enclosure half comprising a plurality of lock extensions, and a second enclosure half comprising a plurality of lock extension receiving features, wherein each of the plurality of lock extensions is configured to cooperatively interoperate with one of the plurality of lock extension receiving features so as to compress a first adhesive material disposed between the first enclosure half and the second enclosure half providing a waterproof adhesive seal between the first enclosure half and the second enclosure half. | 09-18-2014 |
20140272547 | SEPARATORS FOR THREE-DIMENSIONAL BATTERIES - An electrode structure for use in an energy storage device, the electrode structure comprising a population of electrodes, a population of counter-electrodes and an electrically insulating material layer separating members of the electrode population from members of the counter-electrode population, each member of the electrode population having a longitudinal axis A | 09-18-2014 |
20140287297 | Battery Cell, Battery and Motor Vehicle - A battery cell includes a battery cell housing that is patterned in a form of a folding structure. In another embodiment, a battery cell includes a battery cell housing that is patterned in a form of a sandwich construction which comprises an intermediate layer and two cover layers. In a further embodiment, a battery cell includes a battery cell housing that is patterned in a form of an inversion structure. An exemplary battery includes a plurality of such battery cells, and can be comprised by a motor vehicle. | 09-25-2014 |
20140322590 | REDUCING POUCH THICKNESSES IN BATTERY CELLS FOR PORTABLE ELECTRONIC DEVICES - The disclosed embodiments provide a battery cell. The battery cell includes a set of layers including a cathode with an active coating, a separator, and an anode with an active coating. The battery cell also includes a pouch enclosing the layers, which contains a first layer of polyether ether ketone (PEEK). | 10-30-2014 |
20140329137 | FLOODED LEAD-ACID BATTERY - A flooded lead-acid battery include a pasting substrate embedded into an active material of at least one surface of either the positive plates or the negative plates of each respective plurality, wherein the pasting substrate has an initial thickness. The pasting substrate thickness has a compressed thickness within the container that is at least 10 to 20% less than the initial thickness. | 11-06-2014 |
20140335401 | Hard Shell Cell Housing with Vapour Barrier Layer - A hard shell cell housing for an individual alkali metal cell includes a housing main body with an interior space that is configured to accommodate cell components of the individual alkali metal cell, and a housing cover configured to close off the interior space. The housing main body is formed at least substantially from plastic, and further includes at least one vapor barrier layer. | 11-13-2014 |
20140342218 | Gravoltaic Cells - A gravoltaic cell converts a gravitational force into electrical energy. The cell includes a reaction vessel and a first stationary homogeneous phase of dissociated aqueous cations and a second stationary homogeneous aqueous phase of dissociated aqueous reactant cations, both phases being disposed within the reaction vessel, and providing bulk solvent and anions a stationary bulk volume of a homogeneous mixture of solvent and dissociated anions collectively disposed homogeneously throughout the two layers of dissociated aqueous cations. The cell also includes an anode junction providing electrochemically active dissimilar anode/cation species junction. The cell also includes a cathode junction providing a gravity-sustained electrochemically passive similar cathode/cation species junction. A buoyancy separation is gravitationally sustained between two distinct stationary homogeneous phases of dissociated aqueous cations differing chemically in species and differing physically in buoyancy disposed within a homogeneous stationary bulk mixture of solvent and dissociated anions disposed within the reaction vessel. | 11-20-2014 |
20140349172 | RECHARGEABLE BATTERY WITH WAFER CURRENT COLLECTOR AND ASSEMBLY METHOD - Apparatus and techniques herein related battery plates. For example, a first battery plate can include a conductive silicon wafer. A first mechanical support can be located on a first side of the conductive silicon wafer. A first active material can be adhered to the first mechanical support and the first side of the conductive silicon wafer, the first active material having a first polarity. In an example, the battery plate can be a bipolar plate, such as having a second mechanical support located on a second side of the conductive silicon wafer opposite the first side, and a second active material adhered to the second mechanical support and the second side of the conductive silicon wafer, the second material having an opposite second polarity. | 11-27-2014 |
20140349173 | Graphite Particles And Lithium Secondary Battery Using The Same As Negative - A method for forming a negative electrode for a lithium secondary battery, includes providing a paste comprising graphite particulates comprise assembled or bound graphite particles in each of which a plurality of flat-shaped particles are assembled or bound together so that the planes of orientation are not parallel to one another, and the mixture including 3 to 10 parts by weight of the organic binder per 100 parts by weight of the graphite particulates, a binder and a solvent, coating the paste on a current collector, drying the paste coated on the current collector to form a mixture of the graphite particulates and the binder, and integrating the mixture with the current collector by pressing to provide a density of the mixture of graphite particulates and organic binder of 1.5 to 1.9 g/cm | 11-27-2014 |
20140356695 | BATTERY, BATTERY PACK, ELECTRONIC APPARATUS, ELECTRIC VEHICLE, ELECTRICAL STORAGE APPARATUS AND ELECTRICITY SYSTEM - There is provided a battery including a positive electrode, a negative electrode, a separator at least including a porous film, and an electrolyte. The positive electrode includes a positive electrode current collector having a pair of surfaces, and a positive electrode active material layer provided on each of the surfaces of the positive electrode current collector. The positive electrode active material layer contains a positive electrode active material. The positive electrode active material layer has an area density S [mg/cm2] more than or equal to 30 mg/cm2. The porous film included in the separator has a porosity ε [%] and an air permeability t [sec/100 cc] which satisfy a predetermined formula. | 12-04-2014 |
20140356696 | ELECTRODE ACTIVE MATERIAL WITH LOW MOISTURE RETENTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed are an electrode active material including a mixture of at least two kinds of lithium metal oxide particles having different mass median particle diameters D50 and a lithium secondary battery including the same. | 12-04-2014 |
20140370368 | MOLDING PACKAGING MATERIAL, AND MOLDED CASE - A molding packaging material includes a heat resistant resin layer as an outer layer, a metal foil layer, and a first adhesive agent layer arranged there between. The first adhesive agent layer is constituted by an adhesive agent containing a two-part curing type polyester polyurethane resin made of a polyester resin as a main ingredient and a multifunctional isocyanate compound as a curing agent. The polyester resin is made from dicarboxylic acid and dialcohol, the dicarboxylic acid contains aliphatic carboxylic acid whose number of methylene of a methylene chain is an even number and aromatic carboxylic acid, and a content rate of the aromatic carboxylic acid to a total amount of aliphatic carboxylic acid and aromatic carboxylic acid is 40 to 80 mol %. The polyester resin is 8,000 to 25,000 in number average molecular weight (Mn) and 15,000 to 50,000 in weight average molecular weight (Mw), and a ratio thereof (Mw/Mn) is 1.3 to 2.5. | 12-18-2014 |
20140370369 | WAFER-BASED BIPOLAR BATTERY PLATE - An example includes a method including forming a battery electrode by disposing an active material coating onto a silicon substrate, assembling the battery electrode into a stack of battery electrodes, the battery electrode separated from other battery electrodes by a separator, disposing the stack in a housing, filling the interior space with electrolyte, and sealing the housing to resist the flow of electrolyte from the interior space. | 12-18-2014 |
20140377635 | SECONDARY BATTERY - The present invention provides an electrolyte solution for a lithium ion secondary battery comprising 65 to 99% by volume of a phosphate ester compound, 0.01 to 30% by volume of a fluorinated carbonate compound, and 0.1 to 10% by volume of a halogenated phosphate ester compound and/or 0.1 to 30% by volume of a solvent having a specific dielectric constant of 15 or more, and a lithium ion secondary battery having the same. | 12-25-2014 |
20140377636 | ALUMINUM POUCH FILM FOR SECONDARY BATTERY, PACKAGING MATERIAL INCLUDING SAME, SECONDARY BATTERY INCLUDING SAME, AND METHOD FOR MANUFACTURING ALUMINUM POUCH FILM FOR SECONDARY BATTERY - This invention relates to an aluminum pouch film for a secondary battery, including an aluminum layer; an outer layer formed on the first surface of the aluminum layer; a first adhesive layer for adhering the aluminum layer and the outer layer; an inner layer formed on the second surface of the aluminum layer and configured to include a crosslinked polymer layer; and a second adhesive layer for adhering the aluminum layer and the inner layer. | 12-25-2014 |
20150010809 | SECONDARY BATTERY - A secondary battery including an electrode assembly and a case accommodating the electrode assembly, the case including a bottom surface, a first pair of parallel sidewalls and a second pair of parallel sidewalls, connected with the bottom surface, and a corner portion formed by an intersection of each of the first pair of parallel sidewalls and the bottom surface, the corner portion having a first radius of curvature at a first region, and a second radius of curvature different from the first radius of curvature at a second region. | 01-08-2015 |
20150024257 | LIQUID LEAD-ACID BATTERY AND IDLING STOP VEHICLE USING LIQUID LEAD-ACID BATTERY - A volume Ve of an electrode group thereof is calculated by Ve=(Sp+Sn)×D!2, where Sp represents an electrode plate area of a positive electrode plate, Sn represents an electrode plate area of a negative electrode plate, D represents the internal dimension of a container in the direction in which the electrode plates of the electrode group are laminated. A ratio (Vp+Vn)/Ve is 0.27 to 0.32, where Vp+Vn is the sum volume of the total pore volume Vp of a positive active material and the total pore volume Vn of the negative active material contained in the electrode group, and Ve is the volume of the electrode group. A ratio Vp/Ve is 0.13 to 0.15, where Vp is the total pore volume of the positive active material and Ve is the volume of the electrode group. | 01-22-2015 |
20150030910 | PACKAGING MATERIAL AND MOLDED CASE - A packaging material | 01-29-2015 |
20150030911 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprises a stacked electrode assembly in which the positive electrode plates with a large area and the negative electrode plates with a large area are stacked interposing separators therebetween, and a non-aqueous electrolyte containing non-aqueous solvent. The positive electrode plate as the positive electrode active material comprises a lithium transition-metal composite oxide expressed by Li | 01-29-2015 |
20150037659 | POROUS ABSORBENT FOR SODIUM METAL HALIDE CELLS - A cell cathode compartment comprises a granule bed comprising metal granules, metal halide granules, and sodium halide granules, a separator adjacent to the granule bed, a liquid electrolyte dispersed in the granule bed, and a porous absorbent disposed in the granule bed, wherein a transverse cross-sectional distribution of the porous absorbent in the granule bed varies in a longitudinal direction from a first position to a second position. In another embodiment, a cell cathode compartment comprises a granule bed comprising metal granules, metal halide granules, and sodium halide granules, a separator adjacent to the granule bed, a liquid electrolyte dispersed in the granule bed, and a porous absorbent coating on a surface adjacent to the granule bed. | 02-05-2015 |
20150037660 | LITHIUM MICROBATTERY PROTECTED BY A COVER - A lithium microbattery comprises a stack of active layers containing lithium and a protective cover covering the stack of active layers. The protective cover is fixed to the stack of active layers by means of a layer of glue. | 02-05-2015 |
20150037661 | BATTERY PACK - A battery pack includes one or more bare battery cells, a frame case, and a top case. Each of the bare battery cells has first and second electrode tabs. The frame case surrounds an outer surface of the one or more bare cells. The top case is coupled to the frame case at one end of the one or more bare cells. In the battery pack, the frame case includes a warp preventing portion parallel to the top case. | 02-05-2015 |
20150044545 | LOW TEMPERATURE SULFUR AND SODIUM METAL BATTERY FOR GRID-SCALE ENERGY STORAGE APPLICATION - A re-chargeable battery comprising a non-dendrite forming sodium (Na)/potassium (K) liquid metal alloy anode, a sulfur and polyacrylonitrile (PAN) conductive polymer composite cathode, a polyethyleneoxide (PEO) solid electrolyte, a solid electrolyte interface (SEI) formed on the PEO solid electrolyte; and a cell housing, wherein the anode, cathode, and electrolyte are assembled into the cell housing with the PEO solid electrolyte disposed between the cathode and anode. | 02-12-2015 |
20150044546 | MOLDING PACKAGING MATERIAL - In some embodiments, a molding packaging material includes an outer side base layer made of a heat resistant resin, an inner sealant layer, a metal foil layer arranged between the outer side base material layer and the inner sealant layer, and a matte coat layer formed on a side opposite to a metal foil layer side of the outer side base material layer. The matte coat layer includes a resin component, a solid fine particle, and a lubricant, and the inner sealant layer includes a thermoplastic resin and a lubricant. | 02-12-2015 |
20150050547 | RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly, a case configured to receive the electrode assembly, a cap plate configured to be coupled to an opening of the case and comprising a fixing groove, and an insulation case between the cap plate and the electrode assembly and including a fixing protrusion configured to be inserted into the fixing groove. | 02-19-2015 |
20150050548 | RECYCLING OF PRODUCTS - The invention relates to a process for the production of a recyclable product ( | 02-19-2015 |
20150064548 | BATTERY CELL FOR ELECTRONIC DEVICE - A battery cell for an electronic device includes an electrode assembly, an outer case that includes a first outer case and a second outer case that contact each other along edges thereof to form a body portion with a space that accommodates the electrode assembly therein, the edge of the first outer case and the edge of the second outer case together forming a wing portion in at least a portion of the outer circumference of the body portion, and an insulating film that surrounds the wing portion, the insulating film being in a folded state. The insulating film includes an adhesive coated on first and second surfaces on opposite sides of the insulating film from each other, the first surface of the insulating film adhering to the wing portion, and one portion of a second surface adhering to an internal frame of the electronic device. | 03-05-2015 |
20150064549 | ELECTROLYTE FORMULATION FOR REDUCED GASSING WIDE TEMPERATURE RANGE CYCLING - A rechargeable battery cell having a specific combination of anode, cathode and electrolyte formulation is provided. The electrolyte formulation includes an additive system and a salt system. The additive system includes a first additive containing a sulfonyl group, an anti-gassing agent, and a second additive. The salt system includes a lithium salt and a co-salt. The disclosed electrolyte formulation has reduced gassing and improved performance over a wide temperature range. | 03-05-2015 |
20150072220 | Lithium Secondary Battery and Method for Manufacturing Same - Provided are a lithium secondary battery wherein gas generation associated with charging and discharging can be suppressed even in case where silicon and silicon oxide are contained as negative electrode active materials, and wherein deformation due to the gas generation can be suppressed even in case where a resin film is used as an outer package; and a method for manufacturing the lithium secondary battery. A lithium secondary battery comprises a negative electrode containing a negative electrode active material, a positive electrode containing a positive electrode active material, and an electrolytic solution used to immerse the negative electrode active material and the positive electrode active material, wherein the negative electrode active material contains silicon and silicon oxide that have been subjected to a reduction treatment. | 03-12-2015 |
20150079458 | SERVICE PANEL FOR ACCESSING A SERVICEABLE PART - A battery assembly according to an exemplary aspect of the present disclosure includes, among other things, an enclosure assembly defining an interior and a service panel integrally formed in the enclosure assembly. The service panel includes a ductile portion that is removable to access the interior. | 03-19-2015 |
20150079459 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Non-aqueous electrolyte secondary batteries are provided. In one embodiment, the non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive and negative electrodes, a polymeric layer disposed between the separator and at least one of the positive electrode and the negative electrode, and an exterior member housing the positive electrode, the negative electrode, the separator, and the polymeric layer. The separator has a thickness of 5 μm to 20 μm and includes at least 90% by mass of polyethylene. The polymeric layer holds therein a non-aqueous electrolytic solution including 13% by mass to 25% by mass of an electrolyte salt. The battery has a maximum attained temperature not higher than 100° C. using a nail piercing safety test at the time of conducting the safety test. | 03-19-2015 |
20150086848 | LITHIUM ACCUMULATOR - A lithium accumulator with a housing comprising at least one cell with two electrodes ( | 03-26-2015 |
20150086849 | PREPARATION METHOD OF OLIGOMER-POLYMER AND LITHIUM BATTERY - A preparation method of an oligomer-polymer is provided. A maleimide is reacted with a barbituric acid to form a first oligomer-polymer. The first oligomer-polymer is then reacted with a phenylsiloxane oligomer to form a second oligomer-polymer. The phenylsiloxane oligomer is a compound represented by formula 1: | 03-26-2015 |
20150086850 | ANODE FOR SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND SECONDARY BATTERY - In this anode for a secondary battery, method for producing same, and secondary battery, an anode active material is laminated on a surface of a metal foil, the anode active material contains at least titanium dioxide, and the titanium dioxide contains a Brookite crystal phase and contains an amorphous phase in a ratio of 1 vol % to 20 vol %. | 03-26-2015 |
20150086851 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAMEOF FABRICATING SAME - The present invention provides a non-aqueous electrode secondary battery supplied with a non-aqueous electrolyte comprising an overcharge additive. The positive electrode material layer constituting the positive electrode in the non-aqueous electrolyte secondary battery is characterized by having a differential pore volume peak A as well as a peak B located on the smaller pore diameter side than the peak A in a pore diameter range of 0.05 μm to 2 μm in a pore size distribution curve measured by a mercury porosimeter, wherein the pore size distribution curve has a minimum C corresponding to a minimum differential pore volume between the peak A and the peak B, such that a ratio (X | 03-26-2015 |
20150086852 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - A nonaqueous electrolyte secondary battery of an embodiment includes an exterior member; a positive electrode housed in the exterior member, a negative electrode containing an active material and housed in the exterior member so as to be spatially separated from the positive electrode via a separator, and a nonaqueous electrolyte filled in the exterior member. The negative electrode includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector. A tensile strength of the negative electrode is 400 N/mm | 03-26-2015 |
20150086853 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - A nonaqueous electrolyte secondary battery of an embodiment includes an exterior member, a cathode including a cathode active material layer housed in the exterior member, an anode including an anode active material layer housed in the exterior member and spatially separated from the cathode by a separator, and a nonaqueous electrolyte filled in the exterior member. The cathode active material layer contains lithium-copper oxide and copper oxide. A peak intensity ratio d(002)/d(010) between a plane index d(010) derived from the lithium-copper oxide and a plane index d(002) derived from the copper oxide is not lower than 0.1 and not higher than 0.5 at an X-ray diffraction peak. | 03-26-2015 |
20150086854 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - A nonaqueous electrolyte secondary battery of an embodiment includes an electrode group including a cathode collector, a cathode having a cathode active material layer formed on the cathode collector, an anode collector, an anode having an anode active material layer formed on the anode collector, and a separator placed between the cathode and the anode, an exterior member housing the electrode group, and a nonaqueous electrolyte filled in the exterior member. In the nonaqueous electrolyte secondary battery, the anode collector is at least one metal selected from among Fe, Ti, Ni, Cr, and Al, or an alloy containing at least one metal selected from among Fe, Ti, Ni, Cr, and Al. In the nonaqueous electrolyte secondary battery, a coating containing at least one metal selected from Au and Cu is formed on at least one of the surfaces of the anode collector excluding the anode active material layer. | 03-26-2015 |
20150093630 | METHOD OF MANUFACTURING PRISMATIC TYPE BATTERY CASE - Provided are extruding a raw material into a prismatic hollow material having both open ends (Step (a)), drawing the hollow material a plurality of times so as to have a desired thickness (Step (b)), manufacturing a main body by cutting the drawn hollow material to a predetermined length (Step (c)), forming a sealing cover having a shape corresponding to an open end of the main body (Step (d)), and adhering the sealing cover to the open end of the main body (Step (e)). | 04-02-2015 |
20150093631 | SECONDARY BATTERY - The present invention relates to a secondary battery, comprising an electrode element comprising a positive electrode and a negative electrode placed opposite to each other, an electrolyte, and an outer package housing the electrode element and the electrolyte; wherein
| 04-02-2015 |
20150093632 | Rechargeable Electrochemical Cell - A rechargeable electrochemical battery cell with a housing, a positive electrode, a negative electrode and an electrolyte which contains SO | 04-02-2015 |
20150093633 | POSITIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THEREOF - A lithium ion secondary battery with a high electrode density and an excellent rate discharge characteristic. The positive electrode includes a positive electrode active material of a compound represented by Li | 04-02-2015 |
20150099161 | POWER STORAGE UNIT - To achieve a power storage unit that can be repeatedly bent without a large decrease in charge and discharge capacity. In the flexible power storage unit, the content of a binder in an active material layer containing an active material is greater than or equal to 1 wt % and less than or equal to 10 wt %, preferably greater than or equal to 2 wt % and less than or equal to 8 wt %, and more preferably greater than or equal to 3 wt % and less than or equal to 5 wt %. | 04-09-2015 |
20150104695 | FOLDED LITHIUM-ION CELL STACK - A lithium-ion battery can include anode electrode material; anode collector material; cathode electrode material; cathode collector material; a full electrode that includes a layer of one of the collector materials disposed between and adjacent to two layers of a corresponding one of the electrode materials; a half electrode that includes a layer of one of the collector materials disposed adjacent to a layer of a corresponding one of the electrode materials; and lithium-ion conductive separator material folded to align the full electrode and the half electrode and disposed between one of the two layers of the electrode material of the full electrode and the layer of the electrode material of the half electrode. Various other apparatuses, systems, methods, etc., are also disclosed. | 04-16-2015 |
20150104696 | SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A second battery including: a separator including a surface and an other surface facing away from the surface; a first electrode including a plurality of first electrode wires on the surface of the separator, each first electrode wire being adjacent to an other of the plurality of first electrode wires, and a plurality of first active material layers being on respective outer circumferential surfaces of the plurality of first electrode wires; a second electrode including a plurality of second electrode wires on the other surface of the separator, each second electrode wire being adjacent to an other of the plurality of second electrode wires, and a plurality of second active material layers being on respective outer circumferential surfaces of the plurality of second electrode wires; and a pouch configured to encapsulate the separator, the first electrode, and the second electrode, is disclosed. | 04-16-2015 |
20150104697 | CATHODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND PREPARATION METHOD THEREOF, CATHODE POLE PIECE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY - Embodiments of the present invention provide a cathode active material for a lithium-ion secondary battery, where the cathode active material for a lithium-ion secondary battery includes a silicon-based active substance and a nitrogen-doped carbon material. The silicon-based active substance is encased in the interior of the nitrogen-doped carbon material, and the silicon-based active substance is one or more of a nanoparticle and a nanowire; a micropore is arranged on at least one of the exterior and the interior of the nitrogen-doped carbon material; and a material of the nitrogen-doped carbon material is a nitrogen-doped carbon network. The cathode active material for a lithium-ion secondary battery solves a problem in the prior art that a silicon material, when used as a cathode active material, easily falls from a current collector due to a great volume change and has a low conductivity. | 04-16-2015 |
20150111090 | SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - A secondary battery includes an electrode assembly having a relatively large capacity due to reducing a width of an uncoated portion and increasing a width of a coated portion by improving welding strength through a combination of ultrasonic welding and laser welding, and a manufacturing method thereof. The manufacturing method of the secondary battery includes preparing at least one electrode assembly including an uncoated portion, provisionally welding the uncoated portion by ultrasonic welding, coupling a current collector having an elastic property to the provisionally welded uncoated portion, and welding the uncoated portion and the current collector by laser welding. | 04-23-2015 |
20150111091 | RECHARGEABLE SECONDARY BATTERY - A rechargeable secondary battery including: a case; an electrode assembly accommodated in the case, the electrode assembly including an active material coating portion and an active material non-coating portion; a light absorbing member coupled to the electrode assembly; and a collector plate welded to the electrode assembly and contacting the active material non-coating portion. | 04-23-2015 |
20150111092 | SHRINK FILM - A multi-layer shrink film. The shrink film can exhibit a significant amount of shrink within a certain temperature range that is above the onset temperature of the film. The film can exhibit a shrinkage that is at least about 50% of the total shrink within a temperature range T1 above the onset temperature of the film. In one aspect, the shrink film comprises a core layer and skin layers disposed about opposite surfaces of the core layer, and tie layers disposed between the core and the skin layers, the skin layers individually comprising a polyester, e.g., a glycol-modified polyester, and the tie layers individually comprising an anhydride modified material. | 04-23-2015 |
20150118544 | DEVICE FOR ENCAPSULATING A SENSITIVE DEVICE AND PROCESS FOR PRODUCING SAID DEVICE - An encapsulation device comprises at least one assembly containing particles comprising at least a first material. The assembly has an open porosity. The particles: are distributed over a geometric structure that has a degree of compactness of said particles of greater than around 50% and preferably of greater than 60%, and are covered conformally by at least one layer referred to as an infiltration layer; the thickness of at least the infiltration layer closing off the porosity of the assembly comprising the particles covered by at least the layer, in the form of pores that are not connected to one another. A process for producing the encapsulation device is also provided. | 04-30-2015 |
20150125740 | LITHIUM ION SECONDARY BATTERY - The present invention relates to a lithium ion secondary battery having an electrode element in which a positive electrode and a negative electrode are arranged so as to face each other, an electrolyte and an outer package housing the electrode element and the electrolyte, wherein the negative electrode is formed by using a second negative electrode active material in which lithium is doped into a first negative electrode active material containing a metal (a) capable of forming an alloy with lithium, a metal oxide (b) capable of absorbing and desorbing lithium ions, and a carbon material (c) capable of absorbing and desorbing lithium ions; and the electrolyte contains a fluorinated ether compound represented by a predetermined formula. | 05-07-2015 |
20150140411 | Battery Cell Coatings - A battery system includes a polyurea coating applied to a metal casing of a battery cell, wherein the polyurea coating is formed from a reaction mixture of an isocyanate component with ceramic particles, and an amine component with ceramic particles. The ceramic particle-filled polyurea coating exhibits a suitable thermal conductivity to substantially reduce thermal impedance to heat transfer from and to the battery cell, as well as sufficient electrical insulation. | 05-21-2015 |
20150140412 | SOFT-PACKAGED LITHIUM-ION BATTERY - A soft-packaged lithium-ion battery includes: a battery cell, a package used for accommodating the battery cell and an electrolyte filled into the package, wherein the bottom and/or top of the battery cell are/is provided with a porous material layer. Compared with conventional art, the disclosure can realize a buffer function between the battery cell and the package by providing a porous material layer at the bottom and/or top of the battery cell, thereby reducing impact of the battery cell on the package and improving the reliability of the battery cell packaging. In addition, since the porous material layer has an excellent absorbent property, thereby increasing the contact area between the electrolyte and the battery cell, and realizing rapid infiltration of electrolyte in the battery cell with high-energy density and big thickness (thickness ≧4 mm). | 05-21-2015 |
20150140413 | RECTANGULAR BATTERY AND METHOD OF MANUFACTURING RECTANGULAR BATTERY - A battery case of a rectangular battery has a main body member that has the shape of a bottomed rectangular tube, and a lid member that has the shape of a rectangular plate. The main body member has a rectangular opening portion that is constituted of opening long side portions, opening short side portions, and opening R portions. The lid member seals the opening portion. The opening portion is configured such that each thickness of the opening R portions is larger than each thickness of the opening long side portions respectively. In addition, the opening portion and a lid peripheral edge portion are welded to each other in an airtight manner along an entire circumference thereof, by an energy beam that is radiated from outside the lid member in a thickness direction thereof. | 05-21-2015 |
20150147632 | ELECTROLYTE COMPOSITION AND LITHIUM BATTERY - An electrolyte composition including a lithium salt (A), an first anion (B1) represented by formula (1), and an organic solvent (C) are provided. When the electrolyte composition is applied in a lithium battery, good structural stability, high battery efficiency, and long charge-discharge cycle life of the lithium battery can be achieved. | 05-28-2015 |
20150295246 | LITHIUM ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to a lithium electrode, comprising an electrode composite comprising a porous metallic current collector, and lithium metal inserted into pores present in the metallic current collector; and a protective membrane for lithium ion conduction, the protective membrane being formed on at least one surface of the electrode composite. | 10-15-2015 |
20150303411 | BATTERY PACK - A battery pack is disclosed. In one aspect, the battery pack includes an electrode assembly and a case accommodating the electrode assembly, wherein the case includes first and second walls opposing each other and respectively concavely and convexly shaped with respect to the electrode assembly. The battery pack also includes an uneven portion formed on the first wall. | 10-22-2015 |
20150303426 | SECONDARY BATTERY MANUFACTURING METHOD, SECONDARY BATTERY, WELDING APPARATUS THEREOF - A part has separator layers of resin laminated on each other with heat-resistant layers interposed among them and a sheath (laminated sheet) laid on each side of the laminated separator layers. The part is held, pressurized, and vibrated by a pressure vibrator and a jig receiver. The pressure vibrator and jig receiver are provided with projections that pressurize, vibrate, and break the heat-resistant layers, thereby melting and welding together the resin of the separator layers at the broken part. | 10-22-2015 |
20150311002 | Nonaqueous Lithium Storage Element - Provided is a nonaqueous lithium storage element which is obtained by housing an electrode body and a nonaqueous electrolyte solution containing a lithium salt in an outer case, said electrode body being composed of a negative electrode that is composed of a negative electrode collector and a negative electrode active material layer laminated on one or both surfaces of the negative electrode collector, a positive electrode that is composed of a positive electrode collector and a positive electrode active material layer laminated on one or both surfaces of the positive electrode collector, and a separator. | 10-29-2015 |
20150311531 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a power generating element including a positive electrode having a positive electrode active material layer and a negative electrode having a negative electrode active material layer. A main plane having the smaller area, between a main plane of the positive electrode active material layer and a main plane of the negative electrode active material layer, has an approximately rectangular shape with a short side having a length of 132 mm or more. The positive electrode active material layer and the negative electrode active material layer are provided such that the main plane of the positive electrode active material layer and the main plane of the negative electrode active material layer face each other with a separator interposed therebetween, and the positive electrode active material layer contains a binder in an amount of 2 mass % or more and 3.5 mass % or less. | 10-29-2015 |
20150318580 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a non-aqueous electrolyte secondary battery that can suppress a drop in a flash point of an electrolyte solution even if the non-aqueous electrolyte secondary battery is used for a long time. The non-aqueous electrolyte secondary battery includes: an electrode body having a structure in which a positive electrode including a positive-electrode active material and a negative electrode including a negative-electrode active material are stacked with a separator interposed therebetween; a non-aqueous electrolyte solution containing a flame retardant; and an outer casing accommodating the electrode body and the non-aqueous electrolyte solution. The non-aqueous electrolyte solution in the electrode body has a flame retardant concentration lower than a flame retardant concentration in the non-aqueous electrolyte solution between the electrode body and the outer casing. | 11-05-2015 |
20150340663 | POWER STORAGE DEVICE - A power storage device includes an electrode assembly, a case that houses the electrode assembly, and an insulating sheet, which insulates the electrode assembly and the case from each other. The electrode assembly has a first end face, which is orthogonal to the stacking direction, two primary faces, which are located on both sides in the stacking direction, and a tab, which extends on the first end face in the direction orthogonal to the stacking direction. The insulating sheet has a folded box shape, and further has two primary face covering portions, which respectively cover the primary faces of the electrode assembly, and non-primary-face covering portions, which cover the first end face of the electrode assembly and faces other than the primary faces thereof and are continuous with the primary face covering portions. The non-primary face covering portions overlap at least partially with each other. | 11-26-2015 |
20150349303 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - Provided is a secondary battery in which a battery lid is fixed to a battery case by inserting the battery lid into an opening of the battery case having the opening, and emitting laser beams to a butting portion between the battery case and the battery lid to perform butt welding, wherein, when a battery lid-side welding mark formed in the battery lid has a distance from a surface of the battery lid to a lower end of the battery lid-side welding mark which is defined as a battery lid-side welding depth, and a battery case-side welding mark formed in the battery case has a distance from the surface of the battery lid to a lower end of the battery case-side welding mark which is defined as a battery case-side welding depth, the battery lid-side welding depth is deeper than the battery case-side welding depth. | 12-03-2015 |
20150349313 | Electrochemical Device and Method of Making the Same - Electrochemical device (e.g., a capacitive device, a battery, or hybrid device) comprising a configuration of layers comprising at least one combination, wherein each combination comprises a porous particulate separator layer disposed between a first porous electrode layer and a second porous electrode layer, and optionally at least one particulate current collector layer, and a liquid electrolyte, wherein all the combinations, optional particulate current collector layers, and liquid electrolyte are encased in a package, and wherein essentially all the liquid electrolyte is confined within the configuration of layers. Capacitive electrochemical device comprising a first combination comprising a porous particulate separator layer disposed between a first porous electrode layer and a second porous electrode layer, optionally at least one particulate current collector layer, and a liquid electrolyte. | 12-03-2015 |
20150357622 | LITHIUM ION ELECTRICITY STORAGE DEVICE - A lithium ion secondary battery ( | 12-10-2015 |
20150364737 | METHOD FOR DRYING SEPARATOR FOR NON-AQUEOUS ELECTRIC STORAGE DEVICE AND METHOD FOR MANUFACTURING ELECTRIC STORAGE APPARATUS - In a method for drying a separator for a non-aqueous electric storage device including an organic material that thermally shrinks at a thermal shrinkage start temperature of 100° C. or lower, a solvent impregnation and a drying are executed in this order; the solvent impregnation includes bringing the separator into contact with a solvent that has affinity for water and that causes the azeotropic phenomenon at a temperature lower than the boiling point of water so as to lower an azeotropic temperature of a mixture of moisture in the separator and the solvent below a temperature at which the separator starts thermal shrinkage, and the drying includes drying the separator brought into contact with the solvent at a temperature lower than a temperature at which the separator starts thermal shrinkage and higher than the azeotropic point. | 12-17-2015 |
20150364773 | SEMI-SOLID ELECTROLYTES FOR BATTERIES - Semi-solid electrolyte compositions are disclosed. The semi-solid electrolyte compositions contain a glyme or mixture of glymes, a lithium salt(s), and a polymeric complexing agent(s). | 12-17-2015 |
20150372343 | METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY - A method of manufacturing a lithium-ion secondary battery proposed herein includes the following steps of: preparing a battery in which an electrode assembly is enclosed in a battery case; filling a first electrolyte solution containing a film forming agent into the battery case; charging and discharging the battery filled with the first electrolyte solution; discharging the first electrolyte solution from the battery that has been charged and discharged; and filling a second electrolyte solution containing a film forming agent at a concentration of less than 0.005 mol/L into the battery case from which the first electrolyte solution has been discharged. | 12-24-2015 |
20160002063 | TRANSITION METAL PRECURSOR HAVING LOW TAP DENSITY AND LITHIUM TRANSITION METAL OXIDE HAVING HIGH PARTICLE STRENGTH - Disclosed are a transition metal precursor for preparation of a lithium transition metal oxide, in which a ratio of tap density of the precursor to average particle diameter D50 of the precursor satisfies the condition represented by Equation 1 below, and a lithium transition metal oxide prepared using the same. | 01-07-2016 |
20160006073 | NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - The non-aqueous electrolyte battery includes an outer case, a positive electrode housed in the outer case, a negative electrode housed in the outer case such that the negative electrode is separated from the positive electrode, and a non-aqueous electrolyte accommodated in the outer case. The negative electrode comprises a current collector and negative electrode layer formed on one surface or both surfaces of the current collector. The negative electrode layer includes at least one main negative electrode layer which is formed on the surface of the current collector and contains a first active material, and a surface layer which is formed on the surface of the main negative electrode layer and contains a second active material different from the first active material, the second active material being a lithium titanium composite oxide having a spinel structure. | 01-07-2016 |
20160013456 | CONTOURED BATTERY | 01-14-2016 |
20160020450 | BATTERY SYSTEM AND SPACER FOR CREATING A PHYSICAL DISTANCE WITHIN THE BATTERY SYSTEM - A battery system (BS), containing at least one battery device (BV) and at least one operating device (BTV) for operation of the battery system (BS) and/or of the at least one battery device (BV), and at least one further device (V), wherein the at least one further device (V) is intended to create a physical distance between two component parts of the battery system (BS) and in particular between the at least one battery device (BV) and a further component (K) of the battery system (BS), or between at least two component parts of the at least one battery device (BV), wherein the at least one operating device (BTV) is arranged at least partially within the at least one further device (V). | 01-21-2016 |
20160028070 | INTEGRABLE REDOX-ACTIVE POLYMER BATTERIES - The disclosed technology relates generally to apparatuses and methods of fabricating solid-state electrochemical cells having redox-active polymers. In one aspect, an electrochemical cell comprises a negative electrode including a first redox-active polymer and configured to be reversibly oxidized during a discharging operation and further configured to be reversibly reduced during a charging operation. The electrochemical cell additionally comprises a positive electrode including a second redox-active polymer and configured to be reversibly reduced during the discharging operation and further configured to be reversibly oxidized during the charging operation. The electrochemical cell further comprises an electrolyte including a solid ion-exchange polymer, the electrolyte interposed between positive and negative electrodes and configured to conduct ions therebetween. The electrochemical cell is configured to store energy for an associated device or apparatus and further configured to provide structural features of the associated device or apparatus. The electrochemical cell may constitute a part of the casing, packaging or containment of the device. | 01-28-2016 |
20160028118 | ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES, AND SECONDARY BATTERY USING SAME - Disclosed is an electrolyte solution for lithium secondary batteries, including a cyclic sulfonic acid ester represented by the general formula (1): | 01-28-2016 |
20160036092 | LITHIUM-ION BATTERY AND ELECTROLYTE THEREOF - The present disclosure provides a lithium-ion battery and an electrolyte thereof. The electrolyte of the lithium-ion battery comprises: a non-aqueous organic solvent; a lithium salt discloved in the non-aqueous organic solvent; and an additive dissolved in the non-aqueous organic solvent. The additive comprises 1,3-dioxo-heterocyclic compound with a structural formula I and fluoroethylene carbonate; in the structural formula I, R | 02-04-2016 |
20160043355 | CURVED SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A curved secondary battery and a method of manufacturing the same, the curved secondary battery including an electrode assembly having a curved shape; and a pouch that accommodates the electrode assembly, wherein the pouch includes a first encapsulation sheet on a curved first surface of the electrode assembly, the first encapsulation sheet having a portion with a same curvature as the first surface; a second encapsulation sheet on a curved second surface of the electrode assembly, the second encapsulation sheet having a portion with a same curvature as the second surface; and an attaching portion that has a planar shape, the attaching portion being formed when a first boundary portion of the first encapsulation sheet and a second boundary portion of the second encapsulation sheet are attached to each other. | 02-11-2016 |
20160043401 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery can efficiently discharge the gas generated to the outside of the electrode and exhibits a low decrease in battery capacity even when used for a long period of time in the case of using an aqueous binder as the binder of a negative electrode active material. The non-aqueous electrolyte secondary battery has a positive electrode active material layer is formed on a surface of a positive electrode current collector, a negative electrode active material layer is formed on a surface of a negative electrode current collector, and a separator, wherein the density of the negative electrode active material layer is from 1.3 to 1.6 g/cm | 02-11-2016 |
20160043402 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery enables a reaction for forming a film (SEI) on a surface of a negative electrode active material to proceed more uniformly when an aqueous binder is used as a binder for a negative electrode active material. The non-aqueous electrolyte secondary battery has a positive electrode active material layer formed on a positive electrode current collector, a negative electrode active material layer containing an aqueous binder formed on a surface of a negative electrode current collector, and a separator holding an electrolyte solution, wherein the ratio value of a volume of a residual space inside the outer casing to a volume of pores of the power generating element is 0.4 to 0.5, and the ratio value of a volume L of the electrolyte solution injected to the outer casing to the volume of the residual space inside the outer casing is 0.6 to 0.8. | 02-11-2016 |
20160043438 | METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - A method of producing a lithium ion secondary battery includes: selecting a positive electrode active material that has a prescribed specific surface area, and preparing a nonaqueous electrolyte solution that contains a compound with a following formula (1) at a prescribed concentration. In an xy-coordinate plane that gives a relationship between a specific surface area x [m | 02-11-2016 |
20160049691 | ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - A secondary battery having excellent charge and discharge efficiency, good cycle characteristics, and a high capacity retention rate is provided. An electrolytic solution for a secondary battery according to this exemplary embodiment contains at least an aprotic solvent and two particular compounds. | 02-18-2016 |
20160056420 | RECHARGEABLE BATTERY AND METHOD OF MANUFACTURING THE SAME - A rechargeable battery and a method of manufacturing the same, the battery including an electrode assembly, the electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; and a case accommodating the electrode assembly, wherein each of the first and second electrodes includes a coated region having an active material layer on a current collector and an uncoated region free of the active material layer, and in at least one electrode of the first and second electrodes, the current collector is characterized by an x-ray diffraction pattern in which a ratio of an intensity of a largest peak: an intensity of a second largest peak of the current collector in the uncoated region is greater than a ratio of an intensity of a largest peak: an intensity of a second largest peak of the current collector in the coated region. | 02-25-2016 |
20160064727 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative electrode for a rechargeable lithium battery includes a negative active material including a metal-based material, crystalline carbon, and amorphous carbon, wherein an amount of the crystalline carbon is greater than that of the amorphous carbon. A rechargeable lithium battery includes the negative electrode including the negative active material. | 03-03-2016 |
20160079572 | BIOMEDICAL ENERGIZATION ELEMENTS WITH POLYMER ELECTROLYTES - Designs, strategies and methods to form energization elements comprising polymer electrolytes are described. In some examples, the biocompatible energization elements may be used in a biomedical device. In some further examples, the biocompatible energization elements may be used in a contact lens. | 03-17-2016 |
20160079573 | BATTERY TAB AND PACKAGING FRAME DESIGN - Improved battery packaging and constructions for batteries, particularly thin, flat-profile packaged batteries are provided. The battery packaging constructions may eliminate the need for soldering by providing current collector tabs coated by electrically conductive adhesive tape such as z-axis conductive tape and may provide support for current collector tabs and a regular battery perimeter by providing supportive battery packaging and/or frame materials. Better fabrication results, particularly when the batteries are used in smart cards, RFID tags, and medical devices. | 03-17-2016 |
20160079574 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly and a secondary battery including the same, the electrode assembly including a plurality of first polar plates, each first polar plate including a first coating portion coated with a first active material, and a bent first non-coated portion; a plurality of second polar plates, each second polar plate including a second coating portion coated as a second active material, and a bent second non-coated portion; and a plurality of separators between the first polar plates and the second polar plates. | 03-17-2016 |
20160079589 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery is obtained by encasing, inside an outer casing formed of a laminate film, a power generating element containing a positive electrode obtained by forming, on the surface of a positive electrode current collector, a positive electrode active substance layer containing a positive electrode active substance, a negative electrode obtained by forming, on the surface of a negative electrode current collector, a negative electrode active substance layer containing a negative electrode active substance, and a separator, wherein the positive electrode active substance is made to contain a spinel type lithium manganese composite oxide and a lithium nickel-based composite oxide and the mixing ratio of the lithium nickel-based composite oxide is 30 to 70% by weight relative to the total 100% by weight of the spinel type lithium manganese composite oxide and the lithium nickel-based composite oxide. | 03-17-2016 |
20160083608 | AQUEOUS METAL SURFACE TREATMENT AGENT FOR LITHIUM ION SECONDARY BATTERY - This is to provide an aqueous metal surface treatment agent for a lithium ion secondary battery which can improve interlaminar adhesiveness between a metal member and a resin coating layer such as a film or a coated film, and solvent resistance without using trivalent chromium. | 03-24-2016 |
20160087257 | BATTERY INSTALLATION STRUCTURE - A battery installation structure includes: a battery containing a bottom having a rectangular shape, and a ridge portion at a first end portion of the bottom in a longitudinal direction of the bottom, the ridge portion extending in a predetermined direction perpendicular to the longitudinal direction; a battery tray on which the battery is mounted; and at least two first supports that are provided on the battery tray along the longitudinal direction, and are spaced apart from each other in the predetermined direction, wherein each of the first supports has an inclined portion that is provided closer to the first end portion than to a second end portion of the bottom in the longitudinal direction, the inclined portion having a height that increases toward the first end portion, and the inclined portion supports at least one of the ridge portion and the bottom. | 03-24-2016 |
20160087307 | NONAQUEOUS ELECTROLYTE COMPOSITIONS - The present disclosure is related to an electrolyte composition comprising a fluorinated ester solvent, a non-fluorinated carbonate, a lithium/boron compound and a lithium salt. Electrochemical cells comprising the electrolyte solvent have increased cycle life. | 03-24-2016 |
20160087311 | ELECTROLYTE COMPOSITION FOR HIGH-ENERGY ANODES - An electrolyte composition for a lithium-ion battery, a lithium-ion battery, and also the use of a fluorine-containing cyclic carbonate component and lithium nitrate for improving the cycle stability and/or for increasing the performance of a lithium-ion battery. | 03-24-2016 |
20160093850 | SYSTEM FOR PROVIDING STRUCTURAL INTEGRITY OF A BATTERY MODULE - A battery module includes a housing configured to receive a plurality of electrochemical cells, a skeletal frame coupled with the housing, and a framework disposed proximate to the skeletal frame. Moreover, the framework is substantially aligned with the skeletal frame and configured to transfer a force applied to the framework to the skeletal frame. | 03-31-2016 |
20160093912 | LITHIUM-ION BATTERY - The present invention provides a lithium-ion battery. The lithium-ion battery includes: a positive electrode plate including a positive current collector and a positive conductive membrane which is formed on the surface of the positive current collector by coating, drying and compacting a positive mixture slurry containing a positive active material, a positive conductive additive and a positive binder; a negative electrode plate including a negative current collector and a negative conductive membrane which is formed on the surface of the negative current collector by coating, drying and compacting a negative mixture slurry containing a negative active material, a negative conductive additive and a negative binder; a separator; an electrolyte; and a packaging foil. The compacted density of the positive conductive membrane is at a range from 3.9 g/cm | 03-31-2016 |
20160118640 | POWER STORAGE UNIT AND ELECTRONIC DEVICE - A power storage unit suitable for a wearable device is provided. A novel power storage unit or power storage device is provided. The power storage unit includes a positive electrode and a negative electrode inside an external body. The positive electrode includes a positive electrode tab portion protruding from the positive electrode in one direction. The negative electrode includes a negative electrode tab portion protruding from the negative electrode in one direction. The power storage unit includes a first lead electrode electrically connected to the positive electrode tab portion and a second lead electrode electrically connected to the negative electrode tab portion. The first lead electrode includes a first fold portion. The second lead electrode includes a second fold portion. | 04-28-2016 |
20160118694 | A METAL ACCUMULATION INHIBITING AND PERFORMANCE ENHANCING SUPPLEMENT AND A SYSTEM FOR DELIVERING THE SUPPLEMENT - The invention relates to a metal accumulation inhibiting and performance enhancing isolated or synthesized supplement for use in or in association with rechargeable electrochemical energy storage cells, and a system for delivering the supplement including articles of plastic, articles containing plastic, articles similar to plastic, plastic containers, apparatus, porous electrodes, liquids and electrolytes, in particular, articles, apparatus, electrodes, insolating sheets, liquids and electrolytes associated with rechargeable electrochemical energy storage cells incorporating one or more supplements. An effective amount of the supplement typically exhibits foaming of an electrolyte, providing a visual indicator of activity in attenuating metal deposition on, and thereby reducing metal accumulation on, various surfaces in the rechargeable electrochemical storage cell. | 04-28-2016 |
20160133892 | BATTERY MODULE HAVING MOVABLE PRESSURIZATION MEMBER - Disclosed herein is a battery module including a module case, a battery cell stack mounted in the module case, and a movable pressurization member for pressurizing the battery cell stack. | 05-12-2016 |
20160133894 | ELECTROCHEMICAL CELL - An electrochemical cell includes at least a base container, a cell which is accommodated in the base container, a plurality of cell leads which are extension portions of the cell, a pad film which is formed of valve metal on a base bottom surface, and a base-embedded wiring (a via wiring) which is connected to the pad film and is formed in a portion between the base bottom surface and a base lower surface, in which at least one of the cell leads and the pad film are fixed to each other through ultrasonic welding, and when a horizontal distance between a welding portion and the base-embedded wiring in the pad film is set to be L, and tolerance relating to an installation position of the base-embedded wiring is set to be a, L≧a×1.3 is established. | 05-12-2016 |
20160141565 | SECONDARY BATTERY TO WHICH ELECTROLYTE CAN BE ADDITIONALLY SUPPLIED - Disclosed is a secondary battery to which an electrolyte can be additionally supplied. More particularly, provided is a secondary battery including an electrode assembly that includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, and a porous elastic body that can contain an electrolyte, which are installed in a battery case. | 05-19-2016 |
20160141595 | METHOD FOR SEALING OFF AN ORIFICE OF A STORAGE CELL CONTAINER AND CONTAINER SEALED OFF BY THIS METHOD - There is provided a method for sealing a filling orifice formed on a wall of a container in a leak-proof manner using a stopper arrangement comprising a tubular member with a flange having an upper face, and a lower face for covering the orifice, and a mandrel with a stem which is housed inside the tubular member, the force necessary for rupturing the stem being greater than the force resulting from the entry and advancement of a head of the mandrel inside the tubular member, comprising introducing the stopper arrangement into the orifice, bringing the nosepiece of the riveting tool into abutment with the upper face of the flange, actuating the riveting tool so as to exert a tensile force on the stem and bring about expansion of the tubular member against the wall of the orifice and rupturing the stem of the stopper arrangement. | 05-19-2016 |
20160141722 | Electrolytes and Metal Hydride Batteries - Metal hydride batteries comprising an electrolyte composition which comprises an aqueous solution comprising potassium hydroxide (KOH) and one or more halide and/or oxyacid salts exhibit reduced degradation of the anode material during operation. The salts are for instance alkali metal salts. Anode materials exhibit for instance <100% of the degradation of the same anode material in the same battery when replacing the electrolyte composition with 30 weight percent (wt %) aqueous KOH and the conductivity of the electrolyte composition is for instance ≧85% of 30 wt % aqueous KOH. Anode materials are for example ABx high capacity hydrogen storage alloys comprising Mg where x is from about 0.5 to about 5 and which has a discharge capacity of ≧400 mAh/g. | 05-19-2016 |
20160141723 | Electrolytes and Metal Hydride Batteries - Metal hydride batteries comprising an electrolyte composition which comprises an aqueous solution comprising one or more compounds selected from the group consisting of metal hydroxides, metal oxide/hydroxides and ammonium hydroxides where when the electrolyte composition comprises KOH, the composition also comprises a further compound selected from the group consisting of metal hydroxides, metal oxide/hydroxides and ammonium hydroxides, exhibit reduced degradation of the anode material during operation. Anode materials advantageously exhibit ≦95% of the degradation of the same anode material in the same battery when replacing the electrolyte composition with 6 M aqueous KOH and exhibit conductivity of ≧50% of that of 6 M aqueous KOH. Anode materials are for example ABx high capacity hydrogen storage alloys comprising Mg where x is from about 0.5 to about 5 and which has a discharge capacity of ≧400 mAh/g. | 05-19-2016 |
20160141724 | Electrolytes and Metal Hydride Batteries - A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V. | 05-19-2016 |
20160141725 | Electrolytes and Metal Hydride Batteries - A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V. | 05-19-2016 |
20160141726 | Electrolytes and Metal Hydride Batteries - A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V. | 05-19-2016 |
20160141727 | Electrolytes and Metal Hydride Batteries - A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V. | 05-19-2016 |
20160149171 | RECHARGEABLE BATTERY - A rechargeable battery is provided which includes a stacked electrode assembly in a pouch where the electrode assembly changes in length due to an applied bending stress. According to an exemplary embodiment, a rechargeable battery includes: an electrode assembly including a first electrode, a separator, and a second electrode stacked together and the first electrode, the separator, and the second electrode being fixed with respect to each other by a fixed part at one side of the electrode assembly; and a flexible case accommodating the electrode assembly therein, wherein a gap between a free end of the electrode assembly and an inner surface of the case to accommodate a change in length of the electrode assembly at the free end when the electrode assembly is bent. | 05-26-2016 |
20160149257 | POUCH CELL - A pouch cell includes a battery unit and a structure mounted on the battery unit. The structure is configured to limit an expansion of the battery unit and accommodate an electrolyte. | 05-26-2016 |
20160149263 | LITHIUM ION ELECTROLYTES WITH LIFSI FOR IMPROVED WIDE OPERATING TEMPERATURE RANGE - A lithium ion battery cell includes a housing, a cathode disposed within the housing, wherein the cathode comprises a cathode active material, an anode disposed within the housing, wherein the anode comprises an anode active material, and an electrolyte disposed within the housing and in contact with the cathode and anode. The electrolyte includes a solvent mixture and a lithium salt serving as a primary lithium ion conductor in the electrolyte to allow for lithium ion intercalation and deintercalation processes at the cathode and the anode during charging and discharging of the lithium ion battery cell. The solvent mixture includes a cyclic carbonate and one or more non-cyclic carbonates. The lithium salt is lithium bis(fluorosulfonyl)imide (LiFSI). The solvent mixture and LiFSI are configured to enhance the low temperature performance of the lithium ion battery cell at operating temperatures below 0° C. | 05-26-2016 |
20160156012 | SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME | 06-02-2016 |
20160164052 | RECHARGEABLE BATTERY HAVING CASE - A rechargeable battery that can reduce rust occurrence is provided. The rechargeable battery includes: an electrode assembly including a positive electrode and a negative electrode; a case that houses the electrode assembly; and a cap plate that is coupled to the case, wherein an angle between a front end surface that is formed at the front end of the case and an outer surface of the case is larger than an angle between the front end surface and an inner surface of the case. | 06-09-2016 |
20160164057 | ELECTROCHEMICAL CELL WITH POLYIMIDE SEPARATOR AND HIGH-VOLTAGE POSITIVE ELECTRODE - Disclosed herein is an electrochemical cell comprising a housing containing an electrolyte composition, and a multi-layer article at least partially immersed in the electrolyte composition;
| 06-09-2016 |
20160172637 | SECONDARY CELL | 06-16-2016 |
20160172668 | LITHIUM OXYHALIDE ELECTROCHEMICAL CELL WITH CARBON MONOFLUORIDE | 06-16-2016 |
20160181575 | REDUCING POUCH THICKNESSES IN BATTERY CELLS FOR PORTABLE ELECTRONIC DEVICES | 06-23-2016 |
20160181654 | SECONDARY BATTERY | 06-23-2016 |
20160181661 | NONAQUEOUS ELECTROLYTE COMPOSITIONS COMPRISING LITHIUM GLYCOLATOBORATE AND FLUORINATED SOLVENT | 06-23-2016 |
20160181670 | LEAD-ACID BATTERY | 06-23-2016 |
20160190549 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has the internal resistance of 10 Ω/Ah or less (SOC of 50%) and has a power generating element containing the following: a positive electrode obtained by forming, on the surface of a positive electrode current collector, a positive electrode active substance layer containing a positive electrode active substance; a negative electrode obtained by forming, on the surface of a negative electrode current collector, a negative electrode active substance layer containing a negative electrode active substance; and a separator. The positive electrode active substance is made to contain a spinel type lithium manganese composite oxide and a lithium nickel-based composite oxide, and the mixing ratio of the lithium nickel-based composite oxide is 50 to 70% by weight relative to the total 100% by weight of the spinel type lithium manganese composite oxide and the lithium nickel-based composite oxide. | 06-30-2016 |
20160190645 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND A METHOD FOR PRODUCING THE SAME - Provided is a method for producing a non-aqueous electrolyte secondary battery with which resistance increase is inhibited during high-temperature storage while good battery properties are retained. The production method of this invention comprises a step of obtaining a positive electrode, a negative electrode and a non-aqueous electrolyte; and a step of placing the positive electrode, the negative electrode and the non-aqueous electrolyte in a battery case. Herein, the non-aqueous electrolyte comprises a fluorine atom-containing supporting salt and a benzothiophene oxide. | 06-30-2016 |
20160254570 | VALVE REGULATED LEAD-ACID BATTERY | 09-01-2016 |
20170237046 | METHOD FOR PRODUCING LITHIUM ION CELL AND LITHIUM ION CELL | 08-17-2017 |
20170237066 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL | 08-17-2017 |
20180026235 | ELECTRIC BATTERY ASSEMBLY | 01-25-2018 |
20180026242 | SECONDARY BATTERY PACK AND VEHICLE COMPRISING THE SAME | 01-25-2018 |
20190148682 | BATTERY PACKAGING MATERIAL, METHOD FOR MANUFACTURING SAME, METHOD FOR DETERMINING DEFECT DURING MOLDING OF BATTERY PACKAGING MATERIAL, AND ALUMINUM ALLOY FOIL | 05-16-2019 |
20190148695 | SEPARATORS FOR THREE-DIMENSIONAL BATTERIES | 05-16-2019 |
20190148797 | METHOD AND SYSTEM FOR BATTERY DETECTION IN RECYCLING FACILITIES | 05-16-2019 |
20220140447 | Battery Module, Method for Manufacturing the Same, and Battery Pack - A battery module according to one embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked, a first L-shaped frame accommodating the battery cell stack, and an upper part and one side surface of which are opened, and a second L-shaped frame accommodating the battery cell stack, and a lower part and one side surface of which are opened, wherein the first L-shaped frame and the second L-shaped frame are engaged with each other to surround four surfaces of the battery cell stack, a lower surface of the first L-shaped frame includes a first part and a second part, the first part is located at the edge with respect to a lengthwise direction of the battery cell, the second part is located in the interior of the first part, and a thickness of the first part is smaller than the thickness of the second part. | 05-05-2022 |
20220140452 | BATTERY AND MANUFACTURING METHOD THEREOF - A battery disclosed herein includes an exterior body, a sealing plate sealing an opening of the exterior body, electrode bodies each including a first electrode, an electrode tab group electrically connected to the first electrodes, a terminal attached to the sealing plate and electrically connected to the electrode tab group, a collecting unit electrically connecting the electrode tab rid the terminal, and an insulating member insulating the sealing plate and the collecting unit from each other. The insulating member includes a base portion disposed between the sealing plate and the collecting unit, and protrusion portions protruding, from the sealing plate toward the sides of the electrode bodies. | 05-05-2022 |