Entries |
Document | Title | Date |
20080241669 | FLAT-SHAPED BATTERY - The flat-shaped battery includes an electrode material containing an active material, and a battery case which has the electrode material housed inside and in which a plurality of protruding members extending inwardly from an inner surface of the battery case are fixed to the inner surface. The electrode material is housed in the battery case with those individual protruding members inserted in the electrode material. As a result, even if the flat-shaped battery is subjected to such external influences as accelerations and vibrations, the electrode material can securely be prevented from moving within the battery case. | 10-02-2008 |
20080280199 | MODULE - A flat secondary battery having a fusion-bonded sealing type laminate film as an armored body tends to be inferior in sealing reliability to a flat secondary battery having a welded sealing type can as an armored body, due to a difference in sealing method between the two batteries. Therefore, there has been a large challenge of finding the way to make the sealing reliability of the laminate film secondary battery closer to that of the can type secondary battery. | 11-13-2008 |
20080292951 | Flat Alkaline Primary Battery - A flat alkaline primary battery is provided. The annular end portion of the negative electrode can is engaged with the annular end portion of the positive electrode can so that the positive electrode can and the negative electrode can are connected via a gasket to create an enclosed space inside the cans. The enclosed space accommodates a separator, a positive electrode mixture having a positive electrode active material as a main component, and a negative electrode mixture having a negative electrode active material as a main component. The enclosed space is filled with an alkaline electrolyte. The positive electrode active material is oxy nickel hydroxide. The negative electrode active material is a zinc or zinc alloy powder. The mass of the oxy nickel hydroxide is 3.9 or more and 4.4 or less times greater than the mass of the zinc or the zinc alloy. | 11-27-2008 |
20080292952 | SECONDARY BATTERY AND VEHICLE MOUNTING THE SAME - The disclosure discusses a secondary battery with superior durability and a vehicle configured to mount the same. The secondary battery comprises an electrode structure wherein a cathode is formed at one side of a base material layer having electrical insulating property and an anode is formed at another side of the base material layer. A plurality of electrode structures are stacked with an electrolyte layer interposed therebetween such that the cathode and anode of adjacent electrode structures are on opposite sides of the electrolyte layer. | 11-27-2008 |
20090023061 | Stacked constructions for electrochemical batteries - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment. | 01-22-2009 |
20090068556 | BATTERY-OPERATED WIRELESS-COMMUNICATION APPARATUS AND METHOD - A combined battery and wireless-communications apparatus and method. In some embodiments, the apparatus includes a support, a first conductive layer deposited on a first surface area of the support, a thin-film battery including a cathode layer, a solid-state electrolyte layer, and an anode layer deposited such that either the anode layer or the cathode layer is in electrical contact with the first conductive layer, an antenna mounted to the support structure, and an electronic communications circuit mounted to the support and electrically coupled to the battery and the antenna to transceive radio communications. Other embodiments include an energy-receiving device mounted to the support structure, and an electronic communications circuit mounted to the support structure and including a recharging circuit, the recharging circuit electrically coupled to the battery and the energy-receiving device to recharge the battery using energy received by the energy-receiving device. | 03-12-2009 |
20090098451 | LITHIUM ION SECONDARY BATTERY - In a lithium ion secondary battery including a flat-plate electrode assembly which is configured by stacking the positive electrode, the separator, and the negative electrode in the thickness direction thereof, each of the positive electrode and the negative electrode includes a current collector and an active material layer. Each of the current collector includes a substantially rectangular current collector body, a heat radiating portion, and a lead portion, and the heat radiating portions are projected toward the outside of the electrode assembly so as not to overlap with each other in the thickness direction of the electrode assembly. In this way, heat caused inside the lithium ion secondary battery can be diffused efficiently to the outside, and safety of the lithium ion secondary battery can be further increased, without complicating the battery structure and decreasing mechanical strength of the battery. | 04-16-2009 |
20090148764 | METHOD FOR HIGH VOLUME MANUFACTURING OF THIN FILM BATTERIES - Concepts and methods are provided to reduce the cost and complexity of thin film battery (TFB) high volume manufacturing by eliminating and/or minimizing the use of conventional physical (shadow) masks. Laser scribing and other alternative physical maskless patterning techniques meet certain or all of the patterning requirements. In one embodiment, a method of manufacturing thin film batteries comprises providing a substrate, depositing layers corresponding to a thin film battery structure on the substrate, the layers including, in order of deposition, a cathode, an electrolyte and an anode, wherein at least one of the deposited layers is unpatterned by a physical mask during deposition, depositing a protective coating, and scribing the layers and the protective coating. Further, the edges of the layers may be covered by an encapsulation layer. Furthermore, the layers may be deposited on two substrates and then laminated to form the thin film battery. | 06-11-2009 |
20090176153 | THREE-DIMENSIONAL ELECTRODE TERMINAL FOR POUCH-TYPED BATTERY - Disclosed herein is a three-dimensional electrode terminal of a battery having an electrode assembly mounted in a pouch-shaped case, wherein a part of the electrode terminal, which is exposed from the battery case, has a predetermined thickness, and has a perpendicular surface (a perpendicular end surface) formed on the end thereof. According to the present invention, it is possible to easily accomplish the connection between the electrode terminal and the electrically connecting member without modifying the shape of the electrode terminal, and it is possible to easily accomplish the connection for detecting the voltage, the current, and the temperature of the battery. Furthermore, the mechanical strength of the three-dimensional electrode terminal according to the present invention is higher than that of the conventional plate-shaped electrode terminal. Consequently, the stability of the three-dimensional electrode terminal is high in the state that the electrode terminal is electrically connected with the electrically connecting member, and the electrical connection is easily accomplished even in a small space, especially when batteries are stacked one on another with high density so as to manufacture a medium- or large-sized battery module. | 07-09-2009 |
20090220854 | Flat alkaline primary battery - An object of the invention is to provide a flat alkaline primary battery that is inexpensive and has excellent battery capacity and capacity retention. A flat alkaline primary battery has a positive electrode can and a negative electrode can. The negative electrode can is fitted, from its opening side equipped with a gasket, into an opening of the positive electrode can. The opening of the positive electrode can is caulked against the gasket and thus sealed, thereby creating an enclosed space between the positive electrode can and the negative electrode can. The enclosed space has disposed therein a positive electrode mixture, a separator, and a negative electrode mixture. With the separator in between, the positive electrode mixture is placed on the positive electrode can side, and the negative electrode mixture is placed on the negative electrode can side. The enclosed space is filled with an alkaline electrolyte. Zinc or zinc alloy powder is used as a negative electrode active material, and nickel oxyhydroxide is used as a positive electrode active material. The negative electrode mixture at least contains, as active material stabilizers, a highly cross-linked polyacrylic acid, a non-cross-linked polyacrylic acid, and carboxymethylcellulose. | 09-03-2009 |
20090286150 | 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. | 11-19-2009 |
20090291362 | Flat-type alkaline primary battery - A flat-type alkaline primary battery has a positive electrode mixture containing a positive electrode active material, a negative electrode mixture containing a negative electrode active material, and a separator for separating the positive electrode mixture and the negative electrode mixture. An alkaline electrolyte solution is contained in the positive electrode mixture, the negative electrode mixture, and the separator. The negative electrode active material includes zinc or zinc alloy powder. The positive electrode active material includes nickel oxyhydroxide containing cobalt in solid solution, the surface of which is coated with a conductive material. | 11-26-2009 |
20090297940 | PRISMATIC BATTERY - A prismatic battery is provided with a fixing portion composed of projections | 12-03-2009 |
20090311592 | POUCH-TYPE BATTERY - Disclosed herein is a pouch-type battery including a cathode and an anode protruding from opposite sides of a battery case in opposite directions, wherein the pouch-type battery is constructed in a structure in which two receiving parts are formed at a one-unit sheet-type battery case in a symmetrical fashion such that an electrode assembly is received in the receiving parts, the battery case is bent between the two receiving parts (along a bending line) such that one of the receiving parts overlaps with the other receiving part while the electrode assembly is received in the other receiving part, the bent battery case being scaled, the two receiving parts are continuously formed while the two receiving parts are in contact with the bending line, and the battery case is provided at the edge thereof where the bending line runs with bent depression parts having a depth equivalent to that of the receiving parts. The pouch-type battery is manufactured with a capacity equivalent to twice that of a conventional battery through a simple assembly process, and is constructed in a structure in which the battery case is prevented from breakage during the assembly process. | 12-17-2009 |
20090317706 | Lithium Polymer Battery - An improvement of lithium polymer secondary battery is disclosed. The Li-polymer battery is composed of an anode sheet, a cathode sheet and a separator film sandwiched therebetween. The anode sheet includes a positive collector and a pulp coated thereon, which is formed by positive material, conductive material, glue and solvent. The cathode sheet includes a negative collector and a pulp coated thereon, which is formed by negative material, conductive material, glue and solvent. The separator film includes glue and solvent for adhering between the anode sheet and cathode sheet. The anode and cathode sheet are provided with holes uniformly arranged. The holes are formed by using a knife to penetrate the sheets. The holes make the electrolyte easy to permeate through so that the internal resistance of battery can be reduced. | 12-24-2009 |
20100028769 | STACKED SECONDARY BATTERY - A stacked secondary battery includes battery element including a multilayer structure formed by laying alternately flat plate-shaped positive electrodes and flat plate-shaped negative electrodes by way of separators, the number of the positive electrodes being larger by one than that of the negative electrodes or vice versa, and connecting positive electrode draw-out terminals of the positive electrodes to each other and also negative electrode draw-out terminals of the negative electrodes to each other, plate-shaped metal members respectively arranged on and held in contact with the opposite end surfaces of the multilayer structure as viewed in the stacking direction, binding members binding the plate-shaped metal members so as to pinch and hold the multilayer structure from the end surfaces thereof and a film casing containing the battery element pinched by and held between the plate-shaped metal members in a sealed condition. | 02-04-2010 |
20100055558 | LINTHIUM SECONDARY BATTERY IMPROVED SAFETY AND CAPACITY - Disclosed herein is a secondary battery having an electrode assembly constructed in a structure in which a plurality of electrodes are stacked, while separators are disposed respectively between the electrodes, and electrode taps of the electrodes are connected with each other, the electrode assembly being mounted in a battery case, wherein regions where the electrode taps are coupled to electrode leads (electrode tap-electrode lead coupling regions) are located at an upper-end contact region of the battery case, and the contact region is bent in the thickness direction of the battery, whereby the electrode assembly is separated from an inner space of the battery case. | 03-04-2010 |
20100055559 | BATTERY AND METHOD FOR PRODUCING SAME - A battery includes a base member and a plurality of films arranged adjacent to each other on a same surface of the base member, at least a part of one of the films being overlapped with an adjacent one of the films. | 03-04-2010 |
20100068614 | FLAT BATTERY - A flat battery of the present invention is a flat battery including an exterior can and a sealing can with which an opening of the exterior can is sealed, wherein the exterior can and the sealing can include a bottom portion and a circumferential wall extending upright from an outer circumference of the bottom portion and have a cylindrical shape that is open at one end; a distal end portion of the circumferential wall of the exterior can is bent toward a central axis of the sealing can to form a curve, whereby the exterior can is fixed to the sealing can by crimping; in a cross-sectional shape of the sealing can in the direction of the central axis, the circumferential wall of the sealing can is a single layer wall without being folded back, and the circumferential wall of the sealing can includes a rectilinear portion that is connected to the bottom portion via a corner portion; and the rectilinear portion has a Vickers hardness greater than the Vickers hardness of the corner portion. | 03-18-2010 |
20100081049 | Electrochemical Element - A battery having at least one positive and at least one negative electrode arranged alongside one another on a flat, electrically nonconductive substrate and connected to one another via an electrolyte which conducts ions. | 04-01-2010 |
20100081050 | PRISMATIC SECONDARY CELL - An object of the present invention is to provide a high-output prismatic secondary cell that excels in current collecting efficiency and provides for reliable and highly productive welding with a lower welding current at the time of resistive welding of a current collecting plate onto a core exposed portion of a flat electrode assembly having at both ends a positive electrode core and a negative electrode core. This object is realized by a prismatic secondary cell including: a flat electrode assembly comprising a plurality of first electrode cores and a plurality of second electrode cores, the first electrode cores protruding from one end of the flat electrode assembly while being directly laminated on top of each other, the second electrode cores protruding from another end of the flat electrode assembly while being directly laminated on top of each other; and a first current collecting plate arranged in a first electrode core collected area where the mutually directly laminated first electrode cores protrude, the first current collecting plate being resistive-welded on one plane parallel to a plane on which the first electrode cores are laminated. A first electrode core melt-attached portion where the mutually directly laminated first electrode cores are melt-attached is formed in an area distanced from the area in which the first current collecting plate is attached. | 04-01-2010 |
20100136415 | INSULATING CASE FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - An insulating case for a secondary battery and a secondary battery having the same, the insulating case having opposing first and second portions. The first portion faces an electrode assembly of the secondary battery and has a first melting point. The second portion faces a cap assembly of the secondary battery and has a second melting point that is higher than the first melting point. The first melting point is approximately the contraction temperature of a separator of the electrode assembly. | 06-03-2010 |
20100136416 | CARD BATTERY - Disclosed is a card type battery that has both functions of a smart card and a battery. The card battery can prevent a short caused by contact with an external device, reduce a total thickness of the battery and improve bonding strength between internal elements of the battery. | 06-03-2010 |
20100143787 | SECONDARY BATTERY HAVING IMPROVED SAFETY BY DEFORMATION OF ELECTRODE ASSEMBLY-RECEIVING PORTION IN CASE - Disclosed herein is a secondary battery constructed in a structure in which pluralities of electrode tabs, protruding from an electrode assembly, are connected to corresponding electrode leads, and the electrode assembly is mounted in a receiving part, wherein a battery case is multi-formed, such that the battery case presses the upper end of the electrode assembly by a predetermined width, thereby preventing the upward movement of the electrode assembly, mounted in the receiving part, at the upper end space region of the receiving part, where the electrode assembly is spaced apart from the upper end of the receiving part, for the connection between the electrode tabs and the corresponding electrode leads, during the repetitive charge and discharge of the battery. Consequently, it is possible to prevent the occurrence of a short circuit of the battery due to external impacts, such as the dropping of the battery, and to prevent the occurrence of an internal short circuit of the battery due to the expansion of the battery case caused by the repetitive charge and discharge of the battery, whereby the safety of the secondary battery is improved. | 06-10-2010 |
20100178551 | Galvanic Element, and Methods for the Production of Galvanic Elements - The invention relates to galvanic elements comprising two electrodes on at least one support and at least one electrolyte in at least some areas between the electrodes. Also disclosed are methods for producing galvanic elements. Said galvanic elements comprising at least one support, two electrodes, and at least one electrolyte in at least some areas between the electrodes as well as the methods for producing galvanic elements are characterized particularly by the simple structure thereof and can be produced economically. For this purpose, at least one area of a plate-shaped body encompassing introduced openings is disposed between the electrodes as a separator. Alternatively, at least one area of a layer or of an object that is used as a receptacle can be disposed between the electrodes, subareas of the support, or one of the electrodes and a subarea of the support. The support comprising the electrodes is tilted, folded, seamed, bent, or turned over in such a way that the electrodes point in the direction of the and the electrolyte. | 07-15-2010 |
20100190051 | BARRIER LAYER FOR THIN FILM BATTERY - A thin film battery comprises a substrate, anode and cathode current collector layers formed over the substrate, anode and cathode layers formed over and in electrical contact with respective ones of the current collector layers, and an electrolyte layer formed between the anode and cathode layers. The thin film battery further comprises a barrier layer formed from a material such as tin oxide, tin phosphate, tin fluorophosphate, chalcogenide glass, tellurite glass or borate glass. The barrier layer is configured to encapsulate the thin film battery layers and substantially inhibit or prevent exposure of the thin film battery layers to air or moisture. | 07-29-2010 |
20100209760 | BATTERY-CELL MODULE STRUCTURE OF BATTERY - A battery-cell structure of a battery is constructed to have a resinous spacer | 08-19-2010 |
20100209761 | CARD BATTERY AND CARD BATTERY CONNECTOR - A card battery to charge and/or discharge an external electronic apparatus, the card battery including: a card battery body including a bare cell and a first substrate electrically connected to the bare cell; and a connector including a protection circuit module electrically connected to the card battery body. | 08-19-2010 |
20100266892 | FLAT ALKALINE PRIMARY BATTERY - A flat alkaline primary battery is provided. The annular end portion of the negative electrode can is engaged with the annular end portion of the positive electrode can so that the positive electrode can and the negative electrode can are connected via a gasket to create an enclosed space inside the cans. The enclosed space accommodates a separator, a positive electrode mixture having a positive electrode active material as a main component, and a negative electrode mixture having a negative electrode active material as a main component. The enclosed space is filled with an alkaline electrolyte. The positive electrode active material is oxy nickel hydroxide. The negative electrode active material is a zinc or zinc alloy powder. The mass of the oxy nickel hydroxide is between 3.9 and 4.4, times, inclusive, o the mass of the zinc or the zinc alloy. Alternatively, the mass of the oxy nickel hydroxide is between 3.3 times, inclusive, the mass of the zinc or the zinc alloy. | 10-21-2010 |
20100304207 | BATTERY - A battery ( | 12-02-2010 |
20100310923 | BI-POLAR RECHARGEABLE ELECTROCHEMICAL BATTERY - A bi-polar battery has a positive electrode unit, a negative electrode unit, at least one bi-polar electrode unit stacked therebetween, an electrolyte layer separating each adjacent electrode unit, and a gasket positioned about each electrolyte layer for creating a seal about the electrolyte layer in conjunction with the electrode units adjacent thereto. The bi-polar battery also includes a wrapper for maintaining the seals created by the gaskets. | 12-09-2010 |
20110070479 | BATTERY MANUFACTURING METHOD AND BATTERY - A negative-electrode active material layer having an uneven pattern is formed on a surface of a copper foil as a negative-electrode current collector by applying an application liquid by a nozzle-scan coating method. Subsequently, an application liquid containing a polymer electrolyte material is applied by a spin coating method, thereby forming a solid electrolyte layer in conformity with the uneven pattern. Subsequently, an application liquid is applied by a doctor blade method, thereby forming a positive-electrode active material layer whose lower surface conforms to the unevenness and whose upper surface is substantially flat. A thin and high-performance all-solid-state battery can be produced by laminating an aluminum foil as a positive-electrode current collector before the application liquid is cured. | 03-24-2011 |
20110070480 | THREE-DIMENSIONAL MICROBATTERY AND METHOD FOR THE PRODUCTION THEREOF - A three-dimensional microbattery is disclosed, in which a depression, in which two chambers lying adjacent to one another in the substrate plane are implemented, is provided in a substrate. The active mass, which is impregnated with an electrolyte, of negative and positive electrodes is received in each of the chambers. A porous partition wall, which is impregnated with the electrolyte and prevents a passage of active electrode mass, is located between the two chambers. The free surfaces of the active mass of both electrodes and the partition wall lie in a plane with the surface of the substrate. The electrodes and the partition wall are hermetically sealed by a cover layer, which projects beyond the edge of the depression. | 03-24-2011 |
20110081570 | ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY HAVING THE SAME - An electrode assembly and a secondary battery having the same are disclosed. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate includes a positive electrode active material and a positive electrode tab. The negative electrode plate includes a negative electrode active material and a negative electrode tab. The separator is disposed between the positive electrode plate and the negative electrode plate. A negative electrode non-coating portion is disposed on the negative electrode plate corresponding to a position of the positive electrode tab. A positive electrode non-coating portion is disposed on the positive electrode plate corresponding to a position of the negative electrode tab. | 04-07-2011 |
20110086259 | WATER-RESISTANT POUCH TYPE SECONDARY CELL - The present invention relates to a pouch type secondary cell with high water-resistance. The pouch type secondary cell comprises a positive electrode, a separation layer, and a negative electrode. Here, the sealing unit of the secondary cell includes steps so that the sealing unit has an outer side thinner than an inner side in thickness. The present invention is advantageous in that the manufacture process can be simplified, the water-resistance and sealing property of sealing portions can be further improved, and the manufacture costs can be reduced. | 04-14-2011 |
20110104557 | POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE BATTERY - A positive electrode for a nonaqueous electrolyte battery includes a collector, and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material, and also includes a heteropoly acid and/or heteropoly acid compound and phosphorous acid as additives. | 05-05-2011 |
20110123852 | Thin Film Electrodes and Battery Cells, and Methods of Fabrication - Thin-film electrodes and battery cells, and methods of fabrication. A thin film electrode may be fabricated from a non-metallic, non-conductive porous support structure having pores with micrometer-range diameters. The support may include a polymer film. A first surface of the support is metalized, and the pores are partially metallized to create metal tubes having a thickness within a range of 50 to 150 nanometers, in contact with the metal layer. An active material is disposed within metalized portions of the pores. An electrolyte is disposed within non-metalized portions of the pores. Active materials may be selected to create an anode and a cathode. Non-metalized surfaces of the anode and cathode may be contacted to one another to form a battery cell, with the non-metalized electrolyte-containing portions of the anode facing the electrolyte-containing portions of the cathode pores. A battery cell may be fabricated as, for example, a nickel-zinc battery cell. | 05-26-2011 |
20110129722 | FLAT SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A flat secondary battery comprising: a positive electrode plate; a negative electrode plate opposed to the positive electrode plate; an electrolytic solution being present between the electrode plates; a separator interposed between the electrode plates; and a covering material for sealing the electrolytic solution, wherein
| 06-02-2011 |
20110135995 | STACK TYPE ELECTRODE ASSEMBLY AND LITHIUM ION SECONDARY BATTERY HAVING THE SAME - A secondary battery includes an electrode assembly and a pouch housing the electrode assembly. The electrode assembly includes a first negative electrode collector plate having a first negative electrode non-coating portion, a first positive electrode collector plate having a first positive electrode non-coating portion and which is in correspondence with the first negative electrode collector plate, and a unit stack body between the first positive and negative electrode collector plates. The unit stack body includes a second positive electrode collector plate having a second positive electrode non-coating portion electrically connected to the first positive electrode non-coating portion, a second negative electrode collector plate having a second negative electrode non-coating portion electrically connected to the first negative electrode non-coating portion, and a separator disposed between the second positive and negative electrode collector plates. One end of the first negative and positive electrode non-coating portions protrude from the pouch. | 06-09-2011 |
20110135996 | ELECTRODE ASSEMBLY BLOCK AND METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - An electrode assembly block includes a first electrode plate including a first electrode collector plate and a first electrode tab; a first separator on a bottom surface of the first electrode plate and a second separator on a top surface of the first electrode plate, to cover the first electrode collector plate between the first separator and the second separator while allowing a portion of the first electrode tab to be exposed; and a second electrode plate on a bottom surface of the first separator or a top surface of the second separator, the second electrode plate including a second electrode collector plate and a second electrode tab, the second electrode plate corresponding to the first electrode plate, wherein edge regions of the first separator and the second separator are fused together, and the second electrode plate is adhered to the first separator or the second separator. | 06-09-2011 |
20110135997 | SECONDARY BATTERY, BATTERY PACK INCLUDING SECONDARY BATTERY, AND METHOD FOR FABRICATING SECONDARY BATTERY - The disclosed secondary battery is a flat secondary battery | 06-09-2011 |
20110143190 | SECONDARY BATTERY - A secondary battery is disclosed. The secondary battery includes an adhesive configured to attach to the electrode plates so as to strengthen the battery against separation, to reduce production of dust, and to protect the battery from dust. | 06-16-2011 |
20110151317 | IONIC LIQUID ELECTROLYTES COMPRISING AN ANIONIC SURFACTANT AND ELECTROCHEMICAL DEVICES SUCH AS ACCUMULATORS COMPRISING THEM - The invention relates to an ionic liquid electrolyte comprising at least one ionic liquid of formula C | 06-23-2011 |
20110165452 | SECONDARY BATTERY - A secondary battery includes a circuit board including a first connection pad and a second connection pad; a first electrode layer on the circuit board and including a first electrode portion and a first tab portion connected to the first connection pad; a separator on the first electrode layer; and a second electrode layer on the separator and including a second electrode portion and a second tab portion connected to the second connection pad. | 07-07-2011 |
20110183187 | EXPLOSION PROTECTION FOR STARTER BATTERIES - The invention relates to a rechargeable battery in one or more cells and a space disposed above the electrodes and enclosed by the battery cover, wherein at least the space above the battery is partially or completely filled by an open-pore foam and/or a material having a honeycomb structure. | 07-28-2011 |
20110183188 | Rechargeable ZnMn Flat Plate Electrode Cell - Provided is a flat plate electrode cell, comprises positive electrode plates and negative electrode plates. The positive electrode plates each comprise manganese and compressed metal foam. The negative electrode plates each comprise zinc and compressed metal foam. Both the positive and negative electrodes can have alignment tabs, wherein the flat plate electrode cell can further comprise electrical terminals formed from the aligned tabs. The rechargeable flat plate electrode cell of the present disclosure, formed from compressed metal foam, provides both low resistance and high rate performance to the electrodes and the cell. Examples of improvements over round bobbin and flat plate cells are current density, memory effect, shelf life, charge retention, and voltage level of discharge curve. In particular, the rechargeable flat plate electrode cell of the present disclosure provides longer cycle life with reduced capacity fade as compared with known round bobbin and flat plate cells. | 07-28-2011 |
20110206979 | LITHIUM-ION RECHARGEABLE ACCUMULATORS INCLUDING AN IONIC LIQUID ELECTROLYTE - The invention relates to a lithium ion rechargeable accumulator or secondary battery comprising a negative electrode, the active material of which is graphite carbon, a positive electrode, the active material of which is LiFePO | 08-25-2011 |
20120015236 | DESIGN AND CONSTRUCTION OF NON-RECTANGULAR BATTERIES - The disclosed embodiments relate to a battery cell which includes a set of electrode sheets of different dimensions arranged in a stacked configuration to facilitate efficient use of space inside a portable electronic device. For example, the electrode sheets may be arranged in the stacked configuration to accommodate a shape of the portable electronic device. The stacked configuration may be based on a non-rectangular battery design such as a toroidal design, an L-shaped design, a triangular design, a pie-shaped design, a cone-shaped design, and/or a pyramidal design. | 01-19-2012 |
20120058385 | SOLID ELECTROLYTE CELL - A solid electrolyte cell includes: a positive electrode side layer; a negative electrode side layer; and a solid electrolyte layer disposed between the positive electrode side layer and the negative electrode side layer, wherein the negative electrode side layer includes a negative electrode side current collector layer; the negative electrode side current collector layer includes a first negative electrode side current collector layer disposed on a side close to the solid electrolyte layer, and a second negative electrode side current collector layer disposed on a side remote from the solid electrolyte layer; the first negative electrode side current collector layer includes copper, nickel, or an alloy containing any of copper and nickel, or stainless steel; and the second negative electrode side current collector layer includes aluminum, silver, or an alloy containing any of aluminum and silver. | 03-08-2012 |
20120058386 | BATTERY CELL CASING - A battery cell casing comprises a first casing element ( | 03-08-2012 |
20120115018 | METHOD FOR PRODUCING A SOLID-STATE CELL AND A SOLID-STATE CELL - A method for producing a solid-state cell which makes it possible to produce a highly reliable solid-state cell that suppresses a decrease in the thickness of the solid electrolyte layer and a short circuit between the positive and negative electrodes, and which is highly flexible in the size and shape of the solid electrolyte layer and electrodes. The method comprising: a structure preparing step for preparing a first structure, a second structure, or a third structure, a solid electrolyte material powder layer, and a positive electrode material powder layer are stacked, in this sequence; an insulating member disposing step for disposing a heat-resistant insulating member which is in contact with an outer periphery of the structure in the stacking direction of the structure and surrounds the outer periphery; and a heat-compressing step for heat-compressing the structure and heat-resistant insulating member, in the stacking direction of the structure. | 05-10-2012 |
20120135297 | Thin Battery - A thin battery with improved properties containing a cathode paste is presented. The cathode paste comprises a cathode active material, an electrolyte solution, one or more binding agent and boric acid. A method for preparing a cathode paste and a cathode are also provided. | 05-31-2012 |
20120141862 | ELECTRODE GEOMETRY OF A GALVANIC CELL - The invention relates to a galvanic cell ( | 06-07-2012 |
20120148905 | FLAT-PLATE BATTERY - A flat-plate battery is provided in the present invention. The flat-plate battery includes a negative-electrode layer, a first separator, a chlorophyll layer, a second separator, a positive-electrode layer, an upper plate and a lower plate. The negative-electrode layer, the first separator, the chlorophyll layer, the second separator and the positive-electrode layer are stacked together in sequence, and then are sandwiched between the upper plate and the lower plate. The flat-plate battery of the present invention can store hydrogen by the chlorophyll of the chlorophyll layer to generate electricity. Thus, the manufacturing process of the flat-plate battery is simple and economical, and only natural and non-toxic substances are used. Unlike the manufacturing process of conventional batteries, the manufacturing process of the flat-plate battery of the present invention will not cause environmental pollution even when the battery is discarded after use. | 06-14-2012 |
20120156549 | ELECTROCHEMICAL CELL AND CONTACT ELEMENT FOR MAKING CONTACT WITH IT - An output conductor ( | 06-21-2012 |
20120164516 | STORAGE ELEMENT FOR ELECTRIC ENERGY AND METHOD FOR PRODUCING A STORAGE BLOCK - The assembly or design of the energy conductors ( | 06-28-2012 |
20120164517 | THIN FILM BURIED ANODE DEVICES - A reverse configuration, lithium thin film battery ( | 06-28-2012 |
20120196175 | PROCESS FOR PRODUCING THIN FILM LITHIUM SECONDARY BATTERY - A process for producing a chargeable-and-dischargeable thin film lithium secondary battery, which includes a substrate, a positive electrode film arranged on the substrate and formed in a structure of which lithium is insertable and releasable, an electrolyte film which is arranged on the positive electrode film and being in contact with the positive electrode film and contains lithium ions and in which lithium ions are movable, and a negative electrode film made of metallic lithium and arranged on the electrolyte film and being in contact with the electrolyte film, wherein after the negative electrode film is formed, a lithium carbonate film is formed on a surface of the negative electrode film by bringing a surface of the negative electrode film into contact with a surface-treating gas containing a rare gas and carbon dioxide. The process does not change the properties of a metallic lithium film as a negative electrode. | 08-02-2012 |
20120208071 | Method of Producing Thin Batteries - The invention relates to production of thin batteries. In order to achieve a fast and simple production process, the method comprises: bringing into use an anode web comprising anode half cells consisting of multiple material layers applied on top of each other, and which layers are mutually aligned and sized for use in a thin battery, bringing into use a cathode web comprising cathode half cells consisting of multiple material layers applied on top of each other, and which layers are mutually aligned and sized for use in a thin battery, aligning said anode web and said cathode web into a mutual predetermined position, and bringing said anode web and said cathode web into contact with each other in order to attach said anode half cells to corresponding cathode half cells for producing thin batteries. | 08-16-2012 |
20120214047 | METHOD FOR HIGH VOLUME MANUFACTURING OF THIN FILM BATTERIES - Concepts and methods are provided to reduce the cost and complexity of thin film battery (TFB) high volume manufacturing by eliminating and/or minimizing the use of conventional physical (shadow) masks. Laser scribing and other alternative physical maskless patterning techniques meet certain or all of the patterning requirements. In one embodiment, a method of manufacturing thin film batteries comprises providing a substrate, depositing layers corresponding to a thin film battery structure on the substrate, the layers including, in order of deposition, a cathode, an electrolyte and an anode, wherein at least one of the deposited layers is unpatterned by a physical mask during deposition, depositing a protective coating, and scribing the layers and the protective coating. Further, the edges of the layers may be covered by an encapsulation layer. Furthermore, the layers may be deposited on two substrates and then laminated to form the thin film battery. | 08-23-2012 |
20120288746 | SHEET-TYPE SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME - Disclosed is a sheet-type secondary battery having: a laminated sheath ( | 11-15-2012 |
20120321937 | BATTERY END CAP - An battery end cap is disclosed for limiting current flow of a battery. The battery end cap includes a cap terminal, the cap terminal comprising an external conductive surface and an internal conductive surface. The battery end cap further includes a pressure sensitive switch, wherein when the battery end cap is installed on a battery, the pressure sensitive switch is configured to bias the internal conductive surface of the cap terminal from being in electrical communication with an electrical source of the battery. Electrical communication between the cap terminal and the electrical source is created or maintained when a sufficient external pressure is applied to the battery end cap and electrical contact between the cap terminal and the internal electrical source is broken without the sufficient external pressure. | 12-20-2012 |
20120321938 | MICROBATTERY AND METHOD FOR MANUFACTURING SAME - The invention relates to a microbattery that comprises a stack on a substrate, covered by an encapsulation layer and comprising first and second current collector/electrode assemblies, a solid electrolyte and electrical connections of the second current collector/electrode assembly to an external electrical load. The electrical connections are formed by at least two electrically conductive barriers passing through the encapsulation layer from an inner surface to an outer surface of the encapsulation layer. Each of the barriers has a lower wall in direct contact with a front surface of the second current collector/electrode assembly and an upper wall opening onto the outer surface of the encapsulation layer. The barriers form a compartmentalization network within the encapsulation layer. | 12-20-2012 |
20120321939 | FLAT BATTERY - Provided is a flat battery with a molded gasket extending from the opening edge of the seal can to the flat portion, where the gasket may be prevented from exfoliating from the inner surface of the seal can. A flat battery ( | 12-20-2012 |
20130065109 | THIN BATTERY - Within outer cover member | 03-14-2013 |
20130078501 | THIN TYPE BATTERY AND ENCAPSULATION STRUCTURE THEREOF - An encapsulation structure of a thin type battery for encapsulating a battery is provided. The battery includes a battery body and a top sealing area having a thickness smaller than that of the battery body. The encapsulation structure of a thin type battery includes a frame body and an extending wall. The frame body includes a first sidewall, a second sidewall, a third sidewall, and a fourth sidewall. Two ends of the third sidewall are connected to the first sidewall and the second sidewall, respectively. The fourth sidewall is opposite the third sidewall. Two ends of the fourth sidewall are connected to the first sidewall and the second sidewall, respectively. The extending wall is connected to one side of the first sidewall and clamped at the third sidewall and the fourth sidewall. In addition, a thin type battery is also provided. | 03-28-2013 |
20130143104 | BUTTON CELL COMPRISING A COATED EXTERIOR - A button cell includes a housing including a cell cup and having an exterior electrically non-conductive coating, a cell cover and a seal which isolates the cell cup and the cell cover from one another. | 06-06-2013 |
20130143105 | ELECTROCHEMICAL DEVICE - [Object] To provide an electrochemical device that permits a thin package, as well as securely prevents an electrolyte or gas in an internal space from leaking outside even when temperature rise occurs in the electrochemical device during the process where the electrochemical device is reflow soldered to a circuit board or encapsulated into an IC card. | 06-06-2013 |
20130177800 | THIN TYPE BATTERY - A thin type battery is provided, including a shell body, a soft packaging cell, and an electric connector. The soft packaging cell is disposed in the shell body and includes a battery body and a top sealing area. The electric connector is connected electrically to the soft packaging cell. The electric connector can be plugged by a joint connector in a first direction or a second direction, so that by disposing the joint connector on a mobile electronic device, the thin type battery can be plugged into the mobile electronic device through the electric connector in the first direction or the second direction, supplying power. | 07-11-2013 |
20130236770 | ELECTRIC STORAGE DEVICE - An electric storage device includes an electrode assembly and an outer case. The electrode assembly has at least one convex portion. The outer case accommodates the electrode assembly and has an inner wall with a recess in portion thereof opposite the at least one convex portion of the electrode assembly. | 09-12-2013 |
20130260214 | ELECTRODE GROUP FOR THIN BATTERIES, THIN BATTERY, AND ELECTRONIC DEVICE - Provided is a high-capacity and highly-flexible electrode group for thin batteries, a thin battery including the electrode group, and an electronic device in which the thin battery is incorporated. | 10-03-2013 |
20130280592 | SECONDARY BATTERY - A secondary battery for an electronic appliance, including a battery cell. The battery cell has a positive electrode, a negative electrode, and an electrolyte in a pack. A positive electrode terminal and a negative electrode terminal are led out from the same side face of the pack. A metallic battery can accommodates the battery cell therein such that the side face from which the positive electrode terminal and the negative electrode terminal are lead out is faced towards the opening side. A lid, made of a synthetic resin, in which terminal parts to be connected to the electrodes of the electronic appliance upon being connected to the positive electrode terminal and the negative electrode terminal are faced outwardly, plugs the opening of the battery can, the battery cell being accommodated in the battery can upon being adhered onto an inner face thereof. | 10-24-2013 |
20130295438 | FLAT PRIMARY BATTERY, NEGATIVE ELECTRODE MIXTURE FOR FLAT PRIMARY BATTERY, AND METHOD FOR MANUFACTURING FLAT PRIMARY BATTERY - A flat primary battery capable of enhancing the productivity and a method for manufacturing the same are disclosed. The flat primary battery is a flat alkaline primary battery including a positive electrode mixture, a negative electrode mixture, and an electrolytic solution in a can, wherein the negative electrode mixture includes a zinc powder or a zinc alloy powder and an insulating powder of a non-metal which does not react with an electrolytic solution and which has an average particle diameter of 110 μm or more, the value of which is from 60% to 140% of an average particle diameter of the zinc powder or zinc alloy powder. | 11-07-2013 |
20130309555 | Rechargeable ZnMn Flat Plate Electrode Cell - Provided is a flat plate electrode cell, comprises positive electrode plates and negative electrode plates. The positive electrode plates each comprise manganese and compressed metal foam. The negative electrode plates each comprise zinc and compressed metal foam. Both the positive and negative electrodes can have alignment tabs, wherein the flat plate electrode cell can further comprise electrical terminals tanned from the aligned tabs. The rechargeable flat plate electrode cell of the present disclosure, formed from compressed metal foam, provides both low resistance and high rate performance to the electrodes and the cell. Examples of improvements over round bobbin and flat plate cells are current density, memory effect, shelf life, charge retention, and voltage level of discharge curve. In particular, the rechargeable flat plate electrode cell of the present disclosure provides longer cycle life with reduced capacity fade as compared with known round bobbin and flat plate cells. | 11-21-2013 |
20140011075 | NICKEL AND LITHIUM-CONTAINING MOLECULAR PRECURSORS FOR BATTERY CATHODE MATERIALS - Lithium-nickel-containing molecular precursor compounds, compositions and processes for making cathodes for lithium ion batteries. The molecular precursor compounds are soluble and provide processes to make cathode materials with controlled stoichiometry in solution-based processes. The cathode material can be, for example, a lithium nickel oxide, a lithium nickel phosphate, or a lithium nickel silicate. Cathodes can be made as bulk material in a solid form or in solution, or in various forms including thin films. | 01-09-2014 |
20140079984 | NON-AQUEOUS SECONDARY BATTERY, MOUNTED UNIT, AND METHOD FOR MANUFACTURING NON-AQUEOUS SECONDARY BATTERY - A non-aqueous secondary battery includes: a positive-electrode collector layer; a positive-electrode layer formed on one surface of the positive-electrode collector layer; a negative-electrode collector layer; a negative-electrode layer formed on one surface of the negative-electrode collector layer so as to be opposed to the positive-electrode layer; a separator provided between the positive-electrode layer and the negative-electrode layer; and a positive-electrode-side insulating layer and a negative-electrode-side insulating layer respectively formed on another surface of the positive-electrode collector layer and another surface of the negative-electrode collector layer. Circumferential inner surfaces of peripheral edges of the positive-electrode collector layer and the negative-electrode collector layer are joined with a sealing agent including at least a positive-electrode fusion layer, a gas barrier layer, and a negative-electrode fusion layer. The positive-electrode-side insulating layer and/or the negative-electrode-side insulating layer has a battery-side recess provided on a surface. | 03-20-2014 |
20140087239 | HERMETIC COIN CELL-TYPE ASSEMBLIES - A hermetic coin cell-type electrochemical cell having a housing made of a cover and base made of the same material and a glass seal wherein the glass used in the glass seal has a lower CTE than the CTE of the material used in the cover and the base. | 03-27-2014 |
20140106203 | LITHIUM BATTERY HAVING LOW LEAKAGE ANODE - A lithium battery comprises a support, and a plurality of battery component layers on the support, the battery component layers including a cathode having a cathode area with a plurality of cathode perimeter edges. An electrolyte is on the cathode, and an anode is on the electrolyte. The anode comprises an anode area with a plurality of anode perimeter edges, each anode perimeter edge having a corresponding cathode perimeter edge that lies adjacent to and below the anode perimeter edge. The anode area is sized so that at least one anode perimeter edge is terminated before its corresponding cathode perimeter edge to define a gap between the anode perimeter edge and the corresponding cathode perimeter edge, the gap having a gap distance G. | 04-17-2014 |
20140120408 | LAMINATED CELL AND METHOD FOR MANUFACTURING SAME - A laminated cell ( | 05-01-2014 |
20140120409 | ALL-SOLID BATTERY AND MANUFACTURING METHOD THEREFOR - A method for manufacturing an all-solid battery that includes: preparing a first green sheet as a green sheet for at least any one of a positive electrode layer and a negative electrode layer; preparing a second green sheet as a green sheet for a solid electrolyte layer; forming a stacked body by stacking the first green sheet and the second green sheet; and firing the stacked body while a pressure of 0.01 kg/cm | 05-01-2014 |
20140162113 | ALL-SOLID-STATE LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - An all-solid-state lithium secondary battery includes a positive electrode; a negative electrode; and a solid electrolyte arranged between the positive and negative electrodes, to conduct lithium ions. In the all-solid-state lithium secondary battery, a mixed layer is in close contact with a surface of the solid electrolyte adjacent to the positive electrode, the mixed layer containing the positive-electrode active material and (Li | 06-12-2014 |
20140170469 | SECONDARY BATTERY - The present invention relates to a secondary battery in which a stacked electrode assembly having a cathode, an anode and a separator is accommodated together with an electrolytic solution between exterior members. In the present invention, the secondary battery has a plurality of joint parts at which the outer peripheral portion of the separator is joined with the exterior members and a holding part formed at least between the joint parts so as to hold therein the electrolytic solution, wherein a sum of perimeters of the joint parts is longer than a perimeter of a rectangle of minimum area enclosing therein all of the joint parts. In this configuration, it is possible to refill the stacked electrode assembly with the electrolytic solution and protect the joint parts from breakage while preventing displacement of the stacked electrode assembly in the secondary battery. | 06-19-2014 |
20140199582 | ELECTRIC STORAGE DEVICE AND MANUFACTURING METHOD THEREOF - Provided is an electric storage device including: a first electrode plate; a second electrode plate having a polarity opposite to that of the first electrode plate; and a separator interposed between the first electrode plate and the second electrode plate, wherein the first electrode plate includes a current collector and a mixture layer laminated onto the current collector, the mixture layer contains at least one of the binder and the conductive additive, primary particles of an active material, and secondary particles each having a hollow region formed therein by aggregation of a plurality of the primary particles, and the at least one of the binder and the conductive additive is partially distributed in the hollow region. | 07-17-2014 |
20140205890 | ALL-SOLID-STATE CELL - An all-solid-state cell contains a combination of an electrode active material and a solid electrolyte, and has a plate-shaped fired solid electrolyte body of a ceramic containing a solid electrolyte, a first electrode layer (e.g. a positive electrode) integrally formed on one surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte, and a second electrode layer (e.g. a negative electrode) integrally formed on the other surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte. The solid electrolyte materials added to the first electrode layer and the second electrode layer comprise an amorphous polyanion compound. | 07-24-2014 |
20140205891 | ALL-SOLID-STATE CELL - An all-solid-state cell has a fired solid electrolyte body, a first electrode layer integrally formed on one surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte, and a second electrode layer integrally formed on the other surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte. The first and the second electrode layers are formed by mixing and firing the electrode active material and the amorphous solid electrolyte, which satisfy the relation Ty>Tz (wherein Ty is a temperature at which the capacity of the electrode active material is lowered by reaction between the electrode active material and the solid electrolyte material, and Tz is a temperature at which the solid electrolyte material is shrunk by firing). | 07-24-2014 |
20140212735 | System, Method and Apparatus for Forming a Thin Film Lithium Ion Battery - A system and method of forming a thin film battery includes a substrate, a first current collector formed on the substrate, a cathode layer formed on a portion of the first current collector, a solid layer of electrolyte material formed on the cathode layer, a silicon-metal thin film anode layer formed on the solid layer of electrolyte material and a second current collector electrically coupled to the silicon-metal thin film anode layer. A method and a system for forming the thin film battery are also disclosed. | 07-31-2014 |
20140234695 | SECONDARY BATTERY - A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the electrolyte layer including electrolyte particles, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof. | 08-21-2014 |
20140272542 | ELECTROCHEMICAL ENERGY STORAGE DEVICE WITH MOLECULAR SEIVE STORAGE CELL - Energy storage devices including at least one energy storage cell having molecular sieves to mitigate a sensitivity of the storage cell to water contamination that may degrade performance of an electrolyte associated with the energy storage cell. | 09-18-2014 |
20140272543 | MANUFACTURING TECHNIQUES USING FIDUCIALS IN THREE-DIMENSIONAL STACKED-CELL BATTERIES - The disclosed embodiments relate to the manufacture of a battery cell. The battery cell includes a first set of layers including a cathode with an active coating, a separator, and an anode with an active coating. The separator may include a ceramic coating and a binder coating over the ceramic coating. During manufacturing of the battery cell, the layers are stacked, and the binder coating is used to laminate the first set of layers within the first sub-cell by applying at least one of pressure and temperature to the first set of layers. One or more fiducials are also disposed on each electrode from a set of electrodes for the battery cell and/or a fixture for the electrodes. The one or more fiducials may be used to align the electrodes during stacking of the set of electrodes. | 09-18-2014 |
20140302382 | SOLID ELECTROLYTE - A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components. | 10-09-2014 |
20140302383 | FLAT BATTERY AND METHOD FOR PRODUCING FLAT BATTERY - A flat battery basically comprises a battery body, a plate-shaped member and an elastic member. The battery body includes a power generation unit and a case member encasing and sealing the power generation unit therein. The plate-shaped member is configured to be disposed between an outer periphery portion of the battery body and an outer periphery portion of an adjacent battery body stacked that is to be stacked on the battery body. The elastic member joins the battery body and the plate-shaped member to connect the battery body and the plate-shaped member, and covers at least part of the plate-shaped member. The plate-shaped member includes an exposed part which is exposed from part of an end surface of the elastic member which covers the plate-shaped member in a thickness direction of the battery body. | 10-09-2014 |
20140308570 | METHOD FOR THE PRODUCTION OF THIN-FILM LITHIUM-ION MICROBATTERIES AND RESULTING MICROBATTERIES - Process for fabrication of all-solid-state thin film batteries, said batteries comprising a film of anode materials (anode film), a film of solid electrolyte materials (electrolyte film) and a film of cathode materials (cathode film) in electrical contact with a cathode collector, characterized in that:
| 10-16-2014 |
20140308571 | METHOD FOR THE PRODUCTION OF THIN FILMS OF SOLID ELECTROLYTE FOR LITHIUM-ION BATTERIES - Process for the fabrication of a solid electrolyte thin film for an all-solid state Li-ion battery comprising steps to:
| 10-16-2014 |
20140308572 | CATHODE ACTIVE MATERIAL, CATHODE ACTIVE MATERIAL LAYER, ALL SOLID STATE BATTERY AND PRODUCING METHOD FOR CATHODE ACTIVE MATERIAL - The main object of the present invention is to provide a cathode active material capable of reducing the initial interface resistance against a solid electrolyte material. The present invention solves the above-mentioned problems by providing a cathode active material comprising a cathode active substance exhibiting strong basicity and a coat layer formed so as to cover the surface of the above-mentioned cathode active substance and provided with a polyanionic structural part exhibiting acidity. | 10-16-2014 |
20140315074 | BATTERY CELL FOR SECONDARY BATTERY AND BATTERY PACK HAVING THE SAME - Provided are a battery cell for a secondary battery and a battery pack having the same, and more particularly, a battery cell for a secondary battery including a case having an electrode assembly space having the same shape as an electrode assembly, and a battery pack having the same. | 10-23-2014 |
20140335400 | LITHIUM BATTERY - The invention relates to a lithium battery having electrode tabs, each electrode tab having an insulation layer. The lithium battery comprises a cathode plate having a cathode electrode tab, an anode plate having an anode electrode tab, and a separator strip interposed between the cathode plate and the anode plate, wherein the cathode electrode tab and the anode electrode tab have insulation layers coating on predetermined areas. | 11-13-2014 |
20140342217 | STORAGE ELEMENT - A storage element for a solid-electrolyte battery is provided, having a main body which is composed of a porous matrix of sintered ceramic particles, and also having a redox system which is composed of a first metal and/or at least one oxide of the first metal, wherein a basic composition of the storage element comprises at least one further oxide from the group comprising Y2O3, MgO, Gd2O3, WO3, ZnO, MnO which is suitable for forming an oxidic mixed phase with the first metal and/or the at least one oxide of the first metal. | 11-20-2014 |
20140356694 | THIN FILM BATTERY HAVING IMPROVED BATTERY PERFORMANCE THROUGH SUBSTRATE SURFACE TREATMENT AND METHOD FOR MANUFACTURING SAME - Disclosed are a thin film battery in which a negative electrode active material and a substrate side react with each other to prevent battery performance from deteriorating, and to a method for manufacturing same. The thin film battery according to the present invention has a structure in which a negative electrode active material contacts a substrate. Here, a first surface treatment layer containing the negative electrode active material and a non-reactive material are disposed on at least the portion where the negative electrode active material contacts the surface of the substrate. | 12-04-2014 |
20150017517 | POWER STORAGE APPARATUS AND VEHICLE WITH POWER STORAGE APPARATUS MOUNTED THEREON - A power storage device includes an electrode assembly formed by stacking a positive electrode sheet, a negative electrode sheet, and a sheet-like separator arranged between the positive and negative electrode sheets. The positive electrode sheet includes a positive electrode thin metal plate, which includes a first positive electrode edge and a second positive electrode edge. A surface of the positive electrode sheet includes a positive electrode application region and a positive electrode non-application region. The negative electrode sheet includes a negative electrode thin metal plate including a first negative electrode edge and a second negative electrode edge. A positive electrode border, which is a border between the positive electrode application region and the positive electrode non-application region, is located between the first positive electrode edge and the second positive electrode edge. The positive electrode border is located between the first negative electrode edge and the second negative electrode edge. | 01-15-2015 |
20150024256 | FLEXIBLE COMPOSITE SOLID POLYMER ELECTROCHEMICAL MEMBRANE - A solid state battery includes a flexible polymer sheet, and an array of solid state pillars supported by and extending through the sheet. Each of the pillars has an anode layer, a cathode layer adjacent, and an inorganic solid electrolyte (ISE) layer interposed between the anode and cathode layers. A flexible electrochemical membrane includes a flexible polymer sheet, and an array of inorganic solid electrolyte pillars supported by the polymer sheet with each of the pillars extending through a thickness of the sheet to form an ionically conductive pathway therethrough. | 01-22-2015 |
20150030909 | Solid-State Lithium Battery - The present invention is directed to a higher power, thin film lithium-ion electrolyte on a metallic substrate, enabling mass-produced solid-state lithium batteries. High-temperature thermodynamic equilibrium processing enables co-firing of oxides and base metals, providing a means to integrate the crystalline, lithium-stable, fast lithium-ion conductor lanthanum lithium tantalate (La | 01-29-2015 |
20150050546 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID POSITIVE ELECTRODE ACTIVE MATERIAL - Even when a battery is produced with a positive electrode active material or a positive electrode containing the positive electrode active material after exposure to the air, battery properties such as a charge storage property can be significantly enhanced. Included are a lithium transition metal compound oxide at least containing nickel and manganese such that the nickel is contained in a higher content than the manganese in terms of moles; and sodium fluoride adhering to a surface of the lithium transition metal compound oxide. The lithium transition metal compound oxide may contain cobalt. | 02-19-2015 |
20150056496 | LITHIUM-CONDUCTING SULFUR COMPOUND CATHODE FOR LITHIUM-SULFUR BATTERIES - A lithium sulfur cell has a cathode including Li | 02-26-2015 |
20150064547 | ELECTRODE ASSEMBLY FOR POLYMER SECONDARY BATTERY CELL - The present invention relates to an electrode assembly, and more specifically to an electrode assembly for a polymer secondary battery cell, including a cell stack part defined by stacking at least one radical unit having a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are stacked in turn, wherein at least one of the first electrode and the second electrode has a size corresponding to 99.7% to 100% of a size of the first separator or the second separator and thus is aligned to be coincided with or close to an end of the first separator or the second separator. | 03-05-2015 |
20150072219 | SEPARATOR FOR ELECTROCHEMICAL CELL AND METHOD FOR ITS MANUFACTURE - An electrode/separator assembly for use in an electrochemical cell includes a current collector; a porous composite electrode layer adhered to the current collector, said electrode layer comprising at least electroactive particles and a binder; and a porous composite separator layer comprising inorganic particles substantially uniformly distributed in a polymer matrix to form nanopores and having a pore volume fraction of at least 25%, wherein the separator layer is secured to the electrode layer by a solvent weld at the interface between the two layers, said weld comprising a mixture of the binder and the polymer. Methods of making and using the assembly are also described. | 03-12-2015 |
20150079457 | LITHIUM-ION SECONDARY BATTERY, AND METHOD OF PRODUCING THE SAME - A small-sized lithium-ion secondary battery which can be produced at a low cost with a high degree of productivity and which has high degrees of output density and cell performance. The lithium-ion secondary battery includes a plurality of laminar sheets | 03-19-2015 |
20150086847 | POWER STORAGE DEVICE - When an electrode assembly of a power storage device is viewed from the front in the direction of lamination, the distance between a positive electrode electricity collecting portion and an imaginary reference line passing through the center of the electrode assembly is different from the distance between a negative electrode electricity collecting portion and the imaginary reference line. Therefore, the electrode assembly has an asymmetrical structure. | 03-26-2015 |
20150104694 | ELECTRICITY STORAGE DEVICE - A positive collector and a negative collector are arranged such that connecting surfaces of the positive collector and the negative collector that are connected to collection groups face an electrode assembly. An insulator is arranged in a case between the positive and negative collectors and a terminal wall of the case. The insulator separates an opposing surface from the terminal wall. This reduces useless space and insulates the collectors and the power collection groups from the case. | 04-16-2015 |
20150147631 | FLAT BATTERY - There is provided a flat battery including a positive electrode can, a negative electrode can, a positive electrode material, a negative electrode material, and a positive electrode ring provided on an inner surface of a bottom of the positive electrode can to hold one of the positive electrode material and the negative electrode material. The positive electrode ring has a side wall and a flange that extends outward to overlap an open end of a circumferential wall of the negative electrode can. The flange is placed between the open end of the circumferential wall of the negative electrode can and the inner surface of the bottom of the positive electrode can. | 05-28-2015 |
20150325877 | A BATTERY OF LITHIUM-ION TYPE WITH A CATHODE OF VARYING POROSITY, AND A CORRESPONDING METHOD - A thin layer lithium-ion type battery comprising, on a substrate ( | 11-12-2015 |
20150325878 | PUTTING INTO SERVICE OF A LITHIUM ION BATTERY - Circuits and methods for putting into service a lithium ion battery including a first charging step under a current of at most a few tens of microamperes per square centimeter for a plurality of hours. | 11-12-2015 |
20150333358 | LAMINATED BATTERY AND MANUFACTURING METHOD THEREFOR - A laminated battery provided with an electricity-producing element and an outer case. The electricity-producing element contains a positive electrode, a negative electrode, and an electrolyte. The outer case comprises two sheets of laminating film and includes the following: a containing section that contains the electricity-producing element; and a sealing section that is formed around the edge of the containing section by bonding the sheets of laminating film to each other. Corners are formed along the boundary between the containing section and the sealing section, and an adhesive resin layer in the sealing section is thicker in corner regions near the aforementioned corners than in other regions. | 11-19-2015 |
20150349373 | Thin Film Battery Structures Having Sloped Cell Sidewalls - Solid-state battery structures and methods of manufacturing solid-state batteries, such as thin-film batteries, are disclosed. More particularly, embodiments relate to solid-state batteries having a current collector tab between multiple electrochemical cells. Other embodiments are also described and claimed. | 12-03-2015 |
20160028052 | METHODS OF ATTACHING TWO LAYERS TOGETHER USING A RIVET FORMED OF SEALING MATERIAL AND ARTICLES OF MANUFACTURE MADE THEREBY - A method of attaching first and second layers together using a sealing material which flows under heat and pressure is provided. The method involves applying heat and pressure to a laminate comprising the first layer, the second layer and the sealing material wherein a first portion of the second layer having one or more apertures is between the heat sealing material and the first layer. Under heat and pressure, the sealing material flows into and through the one or more apertures in the second layer and contacts the underlying first layer thereby forming a rivet which attaches the first and second layers together. | 01-28-2016 |
20160028073 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - [Object] Provided is a means for improving cycle characteristics by suppressing electrode deterioration resulting from non-uniformity of voltage across an electrode plane in a high-capacity and large-area non-aqueous electrolyte secondary battery that includes lithium nickel-based composite oxide as a positive electrode active substance. | 01-28-2016 |
20160028109 | SULFIDE SOLID ELECTROLYTE MATERIAL AND LITHIUM SOLID STATE BATTERY - The main object of the present invention is to provide a sulfide solid electrolyte material with high Li ion conductivity. The present invention solves the problem by providing a sulfide solid electrolyte material comprising an ion conductor with an ortho-composition, and LiI, characterized in that the sulfide solid electrolyte material is glass with a glass transition point. | 01-28-2016 |
20160049624 | Sealed Solid State Battery - An electrochemical battery can include electrodes (a cathode and an electrode) arranged on respective surfaces of an electrolyte. The electrodes and electrolyte can each be solid state films that can be layered on top of one another to create a stacked structure disposed on a substrate. A polymeric sealant material can be applied over and around the battery stack and a moisture barrier can be formed over the sealant material to thereby prevent moisture from reaching the battery. Conductive terminals electrically coupled to the cathode and anode, respectively, can be formed on a second side of the substrate. As such, the battery can be flip-chip mounted to corresponding mounting pads and thereby connected to other electronics that can receive power from the battery. | 02-18-2016 |
20160056451 | FLEXIBLE COMPOSITE ELECTRODE HIGH-RATE PERFORMANCE LITHIUM-ION BATTERIES - A composite material comprising graphene or reduced to graphene oxide and a polymer-derived ceramic material, such as SiOC, is provided. The composite materials can be used to construct anodes (16), which can be used in batteries (10), particularly lithium ion batteries. The anodes exhibit relatively high charge capacities at various current densities. Moreover, the charge capacity of the anodes appears exceptionally stable even after numerous charging cycles, even at high current densities. | 02-25-2016 |
20160056468 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery is capable of suppressing a reduction in the binding strength of a negative electrode active material layer by optimizing conditions for the suppression of gas generation and moisture removal when an aqueous binder and a thickening agent are used in the negative electrode active material layer. A negative electrode for the non-aqueous electrolyte secondary battery includes a negative electrode active material, an aqueous binder and a thickening agent having a hydroxyl group and an ester group. The content of the aqueous binder is 1 to 3% by mass relative to the total amount of the negative electrode active material layer, the content of the thickening agent is 0.5 to 1.5% by mass relative to the total amount of the negative electrode active material layer. The layer satisfies 0.10≦X≦1.00, X being a ratio of a peak intensity of an infrared absorption spectrum. | 02-25-2016 |
20160064737 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has high vibration resistance when an aqueous binder is used as a binder for a negative electrode active material. A flat laminated type non-aqueous electrolyte secondary battery has a power generating element including a positive electrode obtained by forming a positive electrode active material layer on a surface of a positive electrode current collector; a negative electrode obtained by forming a negative electrode active material layer on a surface of a negative electrode current collector; and a separator, in which the negative electrode active material layer includes 2 to 4% by mass of an aqueous binder with respect to the total mass of the negative electrode active material layer, and the negative electrode active material layer has a rectangular shape, wherein a ratio of a length of long side to a length of short side of the rectangle is 1 to 1.25. | 03-03-2016 |
20160087249 | THIN BATTERY - Provided is a thin battery including: a sheet-like electrode assembly including a positive electrode, a negative electrode, and an electrolyte layer interposed therebetween; electrode lead terminals connected to the positive electrode and the negative electrode, respectively; and an outer packaging housing the electrode assembly, each one of the positive and negative electrodes including a current collector and an active material layer, the current collector having a main portion and an extending portion, the main portion having a formed portion with the active material layer and a non-formed portion without the active material layer, the extending portion extending from a part of the non-formed portion, a first end portion of each of the electrode lead terminals having a joining portion joined to the non-formed portion and the extending portion, and a second end portion of each of the electrode lead terminals extended out of the outer packaging. | 03-24-2016 |
20160093887 | ELECTRODE ASSEMBLY FOR SULFUR-LITHIUM ION BATTERY AND SULFUR-LITHIUM ION BATTERY INCLUDING THE SAME - Disclosed are an electrode assembly for sulfur-lithium ion batteries that uses a lithium-containing compound as a cathode active material and a sulfur-containing compound as an anode active material and a sulfur-lithium ion battery including the same. | 03-31-2016 |
20160126596 | METHOD FOR PRODUCING LAMINATE BATTERY, APPARATUS FOR PRODUCING LAMINATE BATTERY, AND LAMINATE BATTERY - A method for producing a laminate battery includes: forming a membrane electrode assembly having a multilayer structure including a positive electrode plate, a negative electrode plate and an electrolyte layer, the electrolyte layer being provided between the positive electrode plate and the negative electrode plate, a tab attachment step including joining terminal tabs to end portions of the positive electrode plate and the negative electrode plate of the membrane electrode assembly on an outer packaging material, and covering the membrane electrode assembly with the outer packaging material. Each terminal tab is joined by bending at least a part of the end portion of the outer packaging material in a direction opposite to the membrane electrode assembly, and then joining the terminal tab to the positive electrode plate or the negative electrode plate at a portion corresponding to the bent part of the end portion of the outer packaging material. | 05-05-2016 |
20160133910 | SECONDARY BATTERY - A secondary battery has a flat shape and houses a power generation element together with an electrolyte solution inside an exterior body. A terminal includes: a terminal main body including a nickel plane containing nickel on at least a surface thereof; an anticorrosive layer covering at least a part of the nickel plane that is more on the inside of the exterior body than a held portion; and a resin layer covering at least the held portion of a surface of the anticorrosive layer and having an internal extension portion extending from the held portion to the inside of the exterior body. | 05-12-2016 |
20160141716 | ALL-SOLID-STATE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer. | 05-19-2016 |
20160141721 | SECONDARY BATTERY AND ELECTRODE PRODUCTION METHOD - Secondary battery includes a battery assembly configured by alternately stacking positive electrodes | 05-19-2016 |
20160172636 | INSERTION GUIDE DEVICE FOR FILM ARMORED BATTERY | 06-16-2016 |
20160181657 | SOLID ELECTROLYTE, ALL-SOLID-STATE BATTERY INCLUDING THE SAME, AND METHOD FOR MAKING SOLID ELECTROLYTE | 06-23-2016 |
20160190540 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery according to an embodiment of this disclosure includes: a positive electrode mixture layer provided on a main plane of a positive electrode current collector; a negative electrode mixture layer provided on a main plane of a negative electrode current collector; and an insulator covering a region of a part of a surface of a gradually-decreasing portion included in the positive electrode mixture layer. The portion has thickness gradually decreasing toward a terminal of the positive electrode mixture layer; the surface of the portion has a tangent line in contact with the surface in at least two contact points, and has a depressed part between any adjacent two contact points on the tangent line; and an end of the insulator is positioned between the contact points closest to and farthest from the terminal of the positive electrode mixture layer along the tangent line. | 06-30-2016 |
20160197351 | ALL-SOLID-STATE SECONDARY BATTERY | 07-07-2016 |
20160204427 | Solid-State Batteries and Methods for Fabrication | 07-14-2016 |
20160204464 | SECONDARY BATTERY HAVING HIGH RATE CAPABILITY AND HIGH ENERGY DENSITY AND METHOD OF MANUFACTURING THE SAME | 07-14-2016 |
20160204465 | SOLID ELECTROLYTE COMPOSITION, ELECTRODE SHEET FOR BATTERIES USING SAME AND ALL-SOLID-STATE SECONDARY BATTERY | 07-14-2016 |
20160204473 | LAMINATED LITHIUM-SULPHUR CELL | 07-14-2016 |
20160254566 | Methods and Devices Associated with Bonding of Solid-State Lithium Batteries | 09-01-2016 |
20160380266 | CATHODE ACTIVE MATERIAL LAYER, ALL SOLID LITHIUM BATTERY, AND METHOD OF MANUFACTURING CATHODE ACTIVE MATERIAL LAYER - A cathode active material layer used for an all solid lithium battery, comprising a flat cathode active material with a hollowness in a range of more than 0% to 10%, and a solid electrolyte material, characterized in that the flat cathode active material has an aspect ratio (long axis length/short axis length) of 1.5 or more in a section in a thickness direction of the cathode active material layer, and a ratio of the flat cathode active material of which the short axis direction corresponds to a thickness direction of the cathode active material layer is 30% or more with respect to the whole cathode active material. | 12-29-2016 |
20170237110 | PREPARATION METHOD OF LAMINATED CELL | 08-17-2017 |
20170237124 | THREE-DIMENSIONAL THIN FILM BATTERY | 08-17-2017 |