Entries |
Document | Title | Date |
20080220315 | Battery system - A battery module includes a plurality of battery cells and a system configured for passing a fluid past at least a portion of the plurality of battery cells in a parallel manner. | 09-11-2008 |
20080226968 | System and Method for Enhanced Information Handling System Battery Safety - Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes having a quenching distance that retards transfer of flames from the battery. For example, telescoping cylinder sections disposed proximate the casing of a battery cell are forced outward as a telescoping assembly when pressure within the casing exceeds a predetermined safety threshold. The flame container vents flammable gases away from other cells of the battery and may direct the vented gases to the exterior of an information handling system housing or to the interior of the housing. | 09-18-2008 |
20080233468 | Film-Encased Electric Device and Production Method Therefor - A releasing pressure and a pressure releasing position, when enclosing films are expanded by gas produced at an abnormal time, are easily and positively configured. A film-enclosed battery ( | 09-25-2008 |
20080254343 | Electrochemical cell with thermal current interrupting switch - An electrochemical cell having a current interrupting switch as an internal component of the cell that is thermally responsive and breaks an electrical path within the cell thereby preventing current flow when temperature within the cell is at or above an activating temperature. The switch is reversible and current flow and a closed circuit is re-established when temperature within the cell returns below the activating temperature. | 10-16-2008 |
20090035647 | Storage equipment and vehicle - A power storage apparatus is provided which has a simple structure, allows ready installation on a vehicle, and enables prevention of an outflow of a coolant when gas is discharged. The apparatus includes an assembled battery, a coolant which cools the assembled battery, a housing container (a battery housing case and a case cover) which houses the assembled battery and the coolant, a gas discharge port formed in the case cover and provided to release the pressure inside the battery housing case to the outside when gas produced in the assembled batter is discharged, an elastic container which communicates with the gas discharge port, and a coolant solidifying agent provided to solidify the coolant flowing into the elastic container from the housing container through the gas discharge port when the gas is discharged. | 02-05-2009 |
20090042094 | BATTERY MODULE ASSEMBLY - A battery module includes at least one electrochemical cell. The electrochemical cell includes a first terminal conductively coupled to a first electrode and a body portion configured to function as a second terminal and conductively coupled to a second electrode via a pressure relief portion. The battery module further includes an end cap comprising a conductive portion and an insulating portion, the conductive portion being conductively coupled to the body portion. The pressure relief portion is configured to separate from the body portion to a deployed position when a pressure within the body portion reaches a first predetermined level, thereby substantially breaking the conductive coupling between the body portion and the second electrode. The insulating portion substantially prevents formation of a conductive coupling between the body portion and the second electrode when the pressure relief portion is in the deployed position. | 02-12-2009 |
20090053584 | ALKALINE DRY BATTERY - A leak-proof alkaline dry battery including a battery case and a seal unit for closing the opening of the battery case. The seal unit includes: a negative electrode terminal plate; a negative electrode current collector nail electrically connected to the terminal plate; and a resin seal member. The resin seal member includes: a central cylindrical part having an opening through which the body of the negative electrode current collector nail is inserted; an outer peripheral cylindrical part interposed between a peripheral edge of the negative electrode terminal plate and an open edge of the battery case; a connecting part interconnecting the central and outer peripheral cylindrical parts; and a thinned section formed in the connecting part. The body of the negative electrode current collector nail is fitted to the opening of the central cylindrical part in a particular fit relation to prevent leakage for a long time. | 02-26-2009 |
20090061289 | Battery Module, Battery Pack, and Method for Producing the Battery Module - An inexpensive battery pack including a battery module wherein a safety valve is provided for each cell in which battery pack gas leakage can be prevented. A battery pack | 03-05-2009 |
20090075158 | Heat Exchanger for an Energy Storage Device - The invention relates to a heat exchanger ( | 03-19-2009 |
20090075159 | Secondary battery - A secondary battery has a safety vent formed on a can accommodating an electrode assembly. The safety vent is formed in a groove shape and the depth of the groove varies. The fracture site of the safety vent is controlled by adjusting the depth of the safety vent. The safety vent is prevented from damaging the electrode assembly when the electrode assembly is inserted in the can, and contacts the safety vent. | 03-19-2009 |
20090111003 | CAN TYPE SECONDARY BATTERY AND METHOD OF MANUFACTURING CIRCUIT BOARD FOR THE SECONDARY BATTERY - A can type secondary battery and a method of manufacturing a circuit board for the secondary battery that improves reliability by providing a consistent breakdown pressure of the circuit board used in the can type secondary battery. The can type secondary battery includes an electrode assembly, a can to house the electrode assembly and a cap assembly combined with the can. The cap assembly includes a circuit board, which includes fiber layers and is broken by a safety vent when an internal pressure of the can is increased. A woven direction of the fiber layers is inclined with respect to a length direction of the circuit board. Distribution of the breakdown pressure among the circuit boards is decreased, and thus the circuit boards are broken under a consistent pressure, thereby improving the reliability of the can type secondary battery. | 04-30-2009 |
20090148753 | CAP ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - A cap assembly and a secondary battery having the same, the cap assembly including: a safety vent having a protrusion that extends at a predetermined angle of inclination; a cap down having a hole through which the protrusion extends; an insulating plate positioned between the cap down and the safety vent; a sub plate disposed between the cap down and the safety vent, and connected to the protrusion; and a cap up electrically disposed upon the safety vent. The sub plate includes grooves disposed around the protrusion | 06-11-2009 |
20090186260 | Accumulator, Accumulator Group and Method for Production Thereof - A rechargeable battery includes negative electrode plates that are connected to an output contact sheet which has bent-around contact lugs. The contact lugs extend from the second side edge to the first side edge of the electrode plate stack, whilst in a sprung manner on the inner face of the housing and form an electrical contact with the housing. The rechargeable battery also includes a connection profile which can be electrically and mechanically connected to connecting contacts of the positive electrode plates and has a U-shaped base section extending parallel to the cover. Two parallel flank sections are provided, which extend away from the base section and are arranged in order to surround and to make electrical contact with the housing of an adjacent rechargeable battery. | 07-23-2009 |
20090233157 | CYLINDER TYPE SECONDARY BATTERY - Disclosed is a cylindrical secondary battery that can improve pressing force of a gasket pressing a cap up and a safety vent. The cylindrical secondary battery prevents leakage of electrolyte by improving pressing force of the gasket by including a cap up whose terminal portion is formed thicker than the peripheral portion. By using the cap up of the above structure, a curled portion is formed at the edge of the cap up or safety vent so as to surround the end of the safety vent or cap up. Thus, internal resistance can be reduced when the vibration or external impact is applied to the battery, and assembling error can be prevented. | 09-17-2009 |
20090263703 | CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME - In a secondary battery that includes a cap assembly, the cap assembly includes a cap plate that includes a vent formed on one surface of the cap plate and a reinforcing portion formed at a region adjacent to the vent, on the opposing surface of the cap plate to the surface on which the vent is formed. Alternatively, the cap plate may include a reinforcing portion formed at a region adjacent to the vent, on the surface on which the vent is formed. The vent is prevented from being cracked by external pressure and gas is prevented from leaking inside the secondary battery. | 10-22-2009 |
20090286138 | FILM-COVERED ELECTRICAL DEVICE PACKAGING SYSTEM - A film-covered electrical device packaging system of the present invention includes frame member ( | 11-19-2009 |
20090286139 | LITHIUM SECONDARY BATTERY - A main object of the present invention is to provide a lithium secondary battery whose potential can be rapidly increased immediately after the start of overcharge, thereby terminating charging before a safety valve is actuated. This object can be solved by a lithium secondary battery comprising: a cathode having a phosphate compound of olivine structure as a cathode active material, an anode, a separator sandwiched between the cathode and the anode, an electrolyte comprising a supporting salt dissolved therein, and a safety valve having a valve-opening pressure within the range of 25 kgf/cm | 11-19-2009 |
20090317695 | BATTERY MODULE - A battery module that includes a plurality of electrochemical cells. Each of the electrochemical cells has a first end including at least one terminal and a second end having a vent. The plurality of electrochemical cells are arranged such that the second ends of a first set of the plurality of electrochemical cells face the second ends of a second set of the plurality of electrochemical cells. A central chamber is located between the second ends of the first set of the plurality of electrochemical cells and the second ends of the second set of the plurality of electrochemical cells. The central chamber is configured to receive gases released from the vents of the plurality of electrochemical cells. | 12-24-2009 |
20090325040 | LEAD ACID STORAGE BATTERY - A lead acid storage battery according to the present invention comprises a battery container for housing a plurality of cells, a middle lid for covering the battery container, and an upper lid for covering the middle lid, wherein, on the upper surface of the middle lid, a gas discharging port for discharging the gas generated inside of the cell and an electrolyte recirculating port for recirculating the moisture to be discharged along with the gas within the cell are formed as corresponding to each cell. A plurality of exhaust chambers separated by an exhaust chamber partition are formed in a space surrounded by the middle lid and the upper lid, and a mechanism for collectively exhausting the gas discharged from the gas discharging port to the outside of the battery by interconnecting the plurality of exhaust chambers is comprised. | 12-31-2009 |
20100003581 | ELECTRIC POWER STORAGE APPARATUS - An electric power storage apparatus including a housing, a partition which is placed in the housing to form a first housing portion and a second housing portion, a electric power storage unit which is housed in the first housing portion, a coolant which is housed in the first housing portion and is provided for cooling the electric power storage unit, and a pressure release means for releasing an internal pressure of the first housing portion to the second housing portion in an abnormal state of the electric power storage unit in which gas is produced in the electric power storage unit. | 01-07-2010 |
20100009244 | ELECTRICITY STORAGE DEVICE AND VEHICLE INCLUDING THE SAME - An electricity storage device has an electricity storage unit and a first container in which the electricity storage unit is contained, wherein, when an electricity storage unit abnormality occurs in which gas is produced in the electricity storage unit, the gas is discharged from the electricity storage unit into the first container. The electricity storage device is characterized by including: a first discharging channel for discharging the gas in the first container into the outside of a vehicle; and a second discharging channel for discharging the gas in the first container into a second container. | 01-14-2010 |
20100021801 | ELECTROCHEMICAL DEVICE ENSURING A GOOD SAFETY - Disclosed is the structure of a center pin assembly inserted into the winding center of a winding-type electrode assembly of an electrochemical device, which has a case containing the winding-type electrode assembly. The center pin assembly can secure the safety of an electrochemical device when physical impact (e.g. squeezing, shock) is applied from the outside, when the internal temperature rises, and/or when the device is overcharged. The center pin assembly includes a center pin manufactured by winding a planar substrate into a tubular shape, the planar substrate having at least two protrusions formed in an embossing type or at least two discontinuous scores formed in a predetermined shape; and a container placed in a space inside the center pin, the container containing a substance capable of improving the safety of the device. | 01-28-2010 |
20100028759 | BATTERY, VEHICLE USING THE BATTERY, AND BATTERY MANUFACTURING METHOD - A battery includes: a first member having an opening a housing space which houses a generation element; and a second member which closes the opening of the first member. The first member and the second member have welded portions which are welded to each other. A groove which can receive a part of molten metal MM generated upon welding is formed in a channel between the first and the second member, i.e., from the welded portion to the housing space. This prevents flow of the molten metal generation upon welding to the housing space. A vehicle using the battery and a method for manufacturing such a battery are also provided. | 02-04-2010 |
20100035129 | SAFETY DEVICE FOR A SEALED ACCUMULATOR - The invention relates to a safety device for a watertight electro-chemical accumulator ( | 02-11-2010 |
20100055544 | REPLACEABLE AND VERSATILE HERMETICAL LEAD-ACID RECHARGEABLE CELL - A replaceable and versatile hermetical lead-acid cell comprises a top cover and a casing. The top cover has a cap disposed at its top portion. The top cover and casing are sealed together by resin sealable glue filled therebetween. Plural electrode plates, between which dilute sulfuric acid is filled, are positioned in the casing. In addition, a divider is placed between every two electrode plates. Four electrode terminal posts are further provided at the top portion of the top cover and are adjacent to four corners of the top cover. The invention can replace various kinds of cells in marketplace, meet requirements of difference motorcycle, and improve capacity of the cell. | 03-04-2010 |
20100081039 | GAS EXHAUST STRUCTURE OF BATTERY - A gas exhaust structure of a battery includes a rupture valve formed in a battery body, and a pipe unit composed by integrating a coupling pipe and an exhaust pipe with each other. A one-side opening of the coupling pipe is coupled to the rupture valve. The exhaust pipe is coupled to an other-side opening of the coupling pipe, guides gas that spouts out from an inside of the battery body through the rupture valve and the one-side opening of the coupling pipe, and exhausts the gas to an outside. The exhaust pipe is arranged to be offset with respect to the rupture valve without allowing an extended line that passes through a center of the rupture valve and a centerline of the exhaust pipe to be perpendicular to each other. | 04-01-2010 |
20100104928 | BATTERY PACK, BATTERY-MOUNTED DEVICE AND CONNECTION STRUCTURE FOR BATTERY PACK - It is aimed to provide a battery pack capable of securing safety by preventing A battery contained in the battery pack from entering a burning state even if the battery releases high-temperature gas in an abnormal state. An exhaust duct | 04-29-2010 |
20100159306 | DEVICE HAVING AT LEAST ONE ELECTROCHEMICAL CELL, AND METHOD FOR OPERATING A DEVICE HAVING AT LEAST ONE ELECTROCHEMICAL CELL - The invention is based on a device having at least one electrochemical cell ( | 06-24-2010 |
20100159307 | BATTERY AND BATTERY ENVELOPING ASSEMBLY CONVENIENT FOR ASSEMBLY - A battery enveloping assembly and a battery incorporating such an enveloping assembly are disclosed. The enveloping assembly comprises an explosion-proof assembly and a casing with a cavity. A protruding annular sealing connection portion is provided in the middle of the external surface of the casing. An inner wall of the casing is provided with an annular sealing groove. The explosion-proof assembly is secured in the casing in an insulating and sealing manner through the annular sealing groove. A first through hole through which an electrode is connected to the explosion-proof assembly is provided in a center of a bottom of the casing. A second through hole through which an electrode extends out from the explosion-proof assembly is provided in a top of the casing. | 06-24-2010 |
20100173181 | BATTERY SYSTEM WITH EXHAUST DUCTS - The battery system is provided with battery blocks | 07-08-2010 |
20100239895 | SECONDARY BATTERY INCLUDING ONE-WAY EXHAUST VALVE - Disclosed herein is a plate-shaped secondary battery constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case, and the battery case is sealed by thermal welding, wherein the secondary battery has at least one valve (one-way exhaust valve), having a small thickness, mounted at a sealed portion, formed at the outer circumference of an electrode assembly receiving part of the battery case, for allowing internal high-pressure gas to be exhausted out of a battery cell and preventing external gas from being introduced into the battery cell. The secondary battery according to the present invention has the effect of effectively exhausting internal high-pressure gas generated during the abnormal operation of the battery, such as overcharge, out of the battery case, while maintaining the sealability of the battery case, thereby simultaneously improving the efficiency and safety of the battery. | 09-23-2010 |
20100247983 | DEVICE FOR DEGASSING THE BATTERY OF AN AUTOMOBILE - The invention relates to a device for degassing the battery ( | 09-30-2010 |
20100247984 | SEALED CELL - An object of the present invention is to provide a sealed cell having a sealing body with a space-saving safety valve that has excellent safety. | 09-30-2010 |
20100261042 | STRUCTURE FOR ELECTROCHEMICAL DEVICE TO IMPROVE SAFETY AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME - Disclosed is a sealed structure for an electrochemical device having a hollow space therein, further comprising a material generating gases via thermal decomposition in the hollow space. Also, disclosed is an electrochemical device comprising a cathode, an anode, a separator, an electrolyte, a casing for the device, and the structure for the electrochemical device. | 10-14-2010 |
20100266878 | PRISMATIC POLYMER CASE FOR ELECTROCHEMICAL DEVICES - A case structure generally includes a trough shaped base section, a positive end piece, a negative end piece, and a cover section. The trough shaped base section includes a bottom and two side wall members. The positive and negative end piece are disposed at opposite ends of the base section and include an electrically conductive material at least partially embedded within a thermoplastic material. The cover section is disposed on the base section for sealing the prismatic case. The base section and the cover section can be made from, for example, a polymeric material. | 10-21-2010 |
20100266879 | Secondary battery - A secondary battery including a case having a lengthwise direction and including a space therein, an electrode assembly disposed in the space in the case, the electrode assembly including a rolled laminate of a positive electrode plate, a negative electrode plate and a separator interposed therebetween and having non-coating portions at ends thereof, a pair of current collectors, each current collector being electrically connected to one of the non-coating portions of the electrode assembly, each current collector including a current collector plate having an end portion, each end portion extending along the lengthwise direction of the case such that the end portions of the current collector plates of the pair of current collectors are spaced apart from each other in a central region in the lengthwise direction of the case, and a cap plate coupled to a top of the case to seal the case, the cap plate having a vent disposed therein at a position corresponding to the end portions of the current collector plates. | 10-21-2010 |
20100266880 | BATTERY MODULE AND BATTERY PACK USING SAID BATTERY MODULE - A battery module includes a first enclosure, a second enclosure, and a plurality of batteries having vent holes accommodated between the first and second enclosures, and has a configuration in which a first partition member for accommodating the batteries individually at a position facing the battery vent holes in at least one of the first enclosure and the second enclosure is provided. | 10-21-2010 |
20100330402 | CAP ASSEMBLY WITH DESIRABLE SAFETY PERFORMANCE - A cap assembly with desirable safety performance for use in lithium ion batteries, includes an insulating gasket defining a through hole therein, a rupture plate positioned in the through hole, a vent plate defining an air hole electrically connected with the rupture plate, a current interrupt device disposed on the rupture plate, and an end cap defining an air exhaust hole assembled on the current interrupt device. The current interrupt device has an upper conductive plate electrically connected with the end cap, a lower conductive plate electrically connected with the rupture plate, and a fuse electrically connecting the upper conductive plate and the lower conductive plate. When the current intensity in the lithium ion battery exceeds a predetermined value, the fuse melts to cut off the current path. | 12-30-2010 |
20110003184 | BATTERY HAVING CLOSING PLUG - A rechargeable battery, particularly a lead storage battery, having filling openings that are disposed in the battery cover and lead to the battery cells, closing plugs being provided in said filling openings in a sealing manner, wherein, between the inner wall of the filling opening and the outer wall of the stopper, at least one sealing lip is present, which can be deformed by overpressure in the battery cell, in order to relieve the overpressure. | 01-06-2011 |
20110014506 | Method and Apparatus for Maintaining Cell Wall Integrity Using a High Yield Strength Outer Sleeve - A method and apparatus is provided in which a pre-formed sleeve or pre-formed secondary can comprised of one or more layers of a high yield strength material is positioned around the pre-formed battery case, the pre-formed sleeve/secondary can inhibiting the flow of hot, pressurized gas from within the battery through perforations formed in the battery casing during a thermal runaway event. | 01-20-2011 |
20110020674 | ENCLOSED BATTERY - A cylindrical electrode group prepared by winding a positive electrode and a negative electrode with a separator interposed therebetween is placed in a rectangular battery case together with an electrolyte. A pressure release mechanism is provided on a bottom surface of the battery case parallel to a winding axis of the electrode group. The pressure release mechanism is spaced apart from a projection line of the winding axis of the electrode group projected at a right angle on the bottom surface of the battery case. | 01-27-2011 |
20110027630 | SEALED RECTANGULAR BATTERY AND BATTERY MODULE USING SAME - A sealed rectangular battery excellent in volumetric efficiency and pressure resistance is provided. The sealed rectangular battery includes an electrode group having a positive electrode and a negative electrode and a cell casing for accommodating therein the electrode group and an electrolyte solution, which casing includes a rectangular frame member, a first lid member and a second lid member. Each of the first and second lid members includes a body portion for covering one of the openings of the frame member, and a side portion formed so as to protrude from the body portion substantially along at least one set of sides opposite to each other. | 02-03-2011 |
20110033734 | Prismatic Storage Battery Or Cell With Flexible Recessed Portion - A battery includes a cell casing that has recessed portion on a major surface of the casing, the recessed portion being substantially planar and bordering a remainder of the major surface at a ridge portion on each of one or two sides of the recessed portion, whereby the recessed portion, the ridge portions, and the remainder of the major surface cooperate under an increase of gauge pressure to cause a plane defined by a boundary between the ridge portions and the remainder of the major surface to move. | 02-10-2011 |
20110045324 | Electrochemical Energy Storage device - An electrochemical energy storage device provides problem-free pressure compensation at a permanently high impermeability, includes a storage housing ( | 02-24-2011 |
20110045325 | LEAD STORAGE BATTERY - A lead storage battery including a cell, a cell chamber, and a gas exhaust unit. The gas exhaust unit includes a small chamber provided in a battery lid and including a first exhaust path having an opening at the cell chamber side, a covering body mounted on a bottom wall of the small chamber to cover the opening of the first exhaust path, a drop-off prevention member provided in an upper part of the small chamber and including a second exhaust path, a gap formed in at least a part between the bottom wall of a periphery of the opening and the covering body, and space for allowing movement of the covering body between the covering body and the drop-off prevention member in the small chamber. The gas is exhausted to an outside via the first exhaust path, the gap and the second exhaust path. | 02-24-2011 |
20110052946 | SAFETY MECHANISM FOR ELECTRIC MECHANISMS OPERATING ACCORDING TO GALVANIC PRINCIPLES - The present invention relates to a device for the controlled transfer of electric mechanisms operating according to galvanic principles from a first operating state into at least a second operating state, in which the functionality and in particular the reaction potential of the electric mechanism operating according to galvanic principles is reduced or completely eliminated. | 03-03-2011 |
20110070470 | SYSTEM AND METHOD FOR ENHANCED INFORMATION HANDLING SYSTEM BATTERY SAFETY - Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes having a quenching distance that retards transfer of flames from the battery. For example, telescoping cylinder sections disposed proximate the casing of a battery cell are forced outward as a telescoping assembly when pressure within the casing exceeds a predetermined safety threshold. The flame container vents flammable gases away from other cells of the battery and may direct the vented gases to the exterior of an information handling system housing or to the interior of the housing. | 03-24-2011 |
20110076527 | DUAL SEALING CAP ASSEMBLY AND CYLINDRICAL SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to a cap assembly and a battery including the same. More particularly, the present invention relates to a cap assembly for a cylindrical secondary battery, in which the support unit of a current interrupt device (CID) is seated in the inclined portion or the terraced portion of a gasket and thus the battery is dually sealed, thereby preventing the leakage of an electrolyte, and a cylindrical secondary battery including the cylindrical secondary battery. The cap assembly of the present invention is dually sealed for the leakage of an electrolyte. Accordingly, there is an advantage in that the safety of the battery can be greatly improved because the electrolyte is rarely leaked although the battery is shocked because of dropping. | 03-31-2011 |
20110086251 | CAP ASSEMBLY COMPRISING GASKET PREVENTED FROM SAGGING AND CYLINDRICAL SECONDARY BATTERY COMPRISING THE SAME - A cap assembly is provided. The cap assembly comprises a main gasket surrounding the outer circumference of a safety vent and an auxiliary gasket surrounding the outer circumference of a current interrupt device (CID). The main gasket is supported by the auxiliary gasket, leaving no space between the main gasket and the safety vent. The cap assembly is constructed such that the auxiliary gasket prevents the main gasket seated on a beading portion from sagging. This construction makes the cap assembly effective in preventing an electrolyte from leaking. Further provided is a cylindrical secondary battery comprising the cap assembly. | 04-14-2011 |
20110086252 | CYLINDRICAL NICKEL-ZINC CELL WITH POSITIVE CAN - Rechargeable nickel zinc cells, and methods of manufacture, of a configuration that utilizes a positive can with a vent cap at the positive pole of the battery are described. | 04-14-2011 |
20110091751 | Battery Pack - Provision of an extension-type battery pack which is improved in safety thereof against dropping and impact application. Although a battery pack is susceptible to damage caused by an impact since partial battery cells are located outside the outline of a notebook PC when it is mounted on the notebook PC, the battery pack is provided with a partition wall structure including an air space and a fireproof wall formed of a material which does not melt at a temperature of combustible gas discharged from a gas discharge valve of the respective battery cells. The material of the fireproof wall is preferably mica or the like. The partition wall structure can be provided between an inside battery compartment and an outside battery compartment of the battery pack or can be provided among other battery cells. This prevents fire spreading to other battery cells even if high-temperature combustible gas is discharged from a battery cell damaged by an impact or the like. | 04-21-2011 |
20110097612 | SECONDARY BATTERY END CAP ASSEMBLY - A secondary battery end cap assembly is extruded integrally, is provided on a cap plate and corresponds to a first perforation and a second perforation of the cap plate. The first perforation corresponds to a gas seal part of the end cap assembly and a side of the gas seal part is extended with a safety valve corresponding to the second perforation to release gas pressure, preventing the battery from being overly recharged that an interior of the battery is too hot and pressure increases, allowing the battery to explode to cause danger. The safety valve is made by a non-metallic material. Hence, a secondary battery end cap assembly is extruded integrally to effectively reduce manufacturing time and improve production efficiency. Furthermore, as the safety valve is penetrated and embedded by extruding a non-metallic material, gas tightness is enhanced without being unriveted and welding problems. | 04-28-2011 |
20110097613 | Rechargeable battery - A rechargeable battery including an electrode assembly capable of being charged and discharged; a case accommodating the electrode assembly; a cap assembly, the cap assembly including a cap plate coupled to an opening of the case, and a vent member in the cap plate, the vent member being configured to open at a predetermined internal pressure, a terminal exposed to an outer side of the cap plate; a lower insulating member, the lower insulating member insulating the terminal and the cap plate at a lower side of the cap plate; and a channel member between the electrode assembly and the cap plate and forming a space, the channel member being fixed to the lower insulating member. | 04-28-2011 |
20110097614 | BATTERY PACK - A battery pack including a plurality of battery units with improved insulating and cooling properties between the battery units is provided. In one embodiment, a battery unit includes a battery cell and an insulating wall including a plurality of protrusions contacting the battery cell. The protrusions extend at least partly between opposite edges of the insulating wall and define space between the battery cell and regions between the protrusions. | 04-28-2011 |
20110104527 | SECONDARY BATTERY HAVING SEALING PORTION OF NOVEL STRUCTURE - Disclosed herein is a plate-shaped secondary battery constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case, and the battery case is sealed by thermal welding, wherein the battery case is provided at a sealing portion around an electrode assembly receiving part thereof with an exhaust guide sealing portion configured in a structure in which a width of the exhaust guide sealing portion decreases from an inside of the sealing portion toward an outside of the sealing portion such that a sealing force of the exhaust guide sealing portion is first released, when high-pressure gas is generated in a battery cell, and therefore, the high-pressure gas is exhausted outside, the exhaust guide sealing portion being thermally welded with a sealing force less than that of a sealing portion located at a remaining region (‘a remaining sealing portion’), and the battery case is further provided at a middle of the exhaust guide sealing portion with a bridge sealing portion extending in parallel to the electrode assembly for interconnecting opposite sides of the remaining sealing portion with a predetermined width, the bridge sealing portion being thermally welded with a sealing force greater than that of the exhaust guide sealing portion. | 05-05-2011 |
20110111270 | BATTERY PACK AND HANDHELD POWER TOOL HAVING A BATTERY PACK - The invention relates to a battery pack comprising at least one battery cell and a housing for accommodating the at least one battery cell. It is proposed that the housing is designed as at least double-walled having at least one inner sheath and one outer sheath. According to the invention, an intermediate volume is enclosed between the at least one inner sheath and the outer sheath. The intermediate volume is able to absorb a pressure wave from an internal volume containing the battery cells. | 05-12-2011 |
20110129702 | SECONDARY BATTERY AND BATTERY PACK USING THE SAME - A secondary battery and a battery pack using the same. A secondary battery includes a pouch case containing an electrode assembly therein; an electrode terminal connected to the electrode assembly and including a side end exposed outside the pouch case; and a vent forming unit coupled to the pouch case and configured to form a vent in the pouch case when the pouch case swells. | 06-02-2011 |
20110135975 | BATTERY MODULE WITH SEALED VENT CHAMBER - A battery module having sealed vent chamber includes a plurality of electrochemical cells each having a vent at an end thereof. The module also includes a structure defining a chamber and comprising a plurality of sockets, each socket configured to receive one of the plurality of electrochemical cells such that the vents of the electrochemical cells are located in the chamber. The module further includes a seal provided between at least one of the electrochemical cells and its associated socket. At least a portion of the seal is deformable such that gases released from the electrochemical cells into the chamber compress the deformable portion of the seal against the electrochemical cells to seal the gases in the chamber. | 06-09-2011 |
20110143176 | Film-Packed battery and method of manufacturing the same - A film-packed battery includes a battery element and a packing film which houses the battery element and includes a main heat-sealed portion which is formed around the battery element, and a projecting heat-sealed portion which projects from the main heat-sealed portion toward the battery element, and a gas releasing portion formed in the projecting heat-sealed portion and the main heat-sealed portion adjacent to the projecting heat-sealed portion, wherein a distal end of the gas releasing portion reaches the projecting heat-sealed portion and the gas releasing portion connects external air with a heat-sealed interface of the packing film. | 06-16-2011 |
20110171504 | BATTERY AND BATTERY UNIT - A battery ( | 07-14-2011 |
20110177364 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a nonaqueous electrolyte secondary battery using lithium-manganese composite oxide as positive electrode active material, having superior high-temperature charge storage characteristics and charge-discharge cycling characteristics and enhanced safety in the event of overcharging. A nonaqueous electrolyte secondary battery according to an aspect of the invention includes: a positive electrode plate provided with a positive electrode mixture containing positive electrode active material, a negative electrode plate, a nonaqueous electrolyte, and a pressure-sensitive safety mechanism that is actuated by rise in internal pressure. The positive electrode active material contains lithium-manganese composite oxide containing 10 to 61% by mass of the element manganese. The positive electrode mixture contains lithium carbonate or calcium carbonate, and lithium phosphate. The nonaqueous electrolyte contains an organic additive made of at least one selected from among biphenyl, a cycloalkyl benzene compound, and a compound having quaternary carbon adjacent to a benzene ring. | 07-21-2011 |
20110189513 | Sealed Battery Cell and Method of Manufacturing The Same - An upper base portion of a top portion of a battery cell cap functions as a positive terminal, and paths for flow of electrical current are defined between the top portion and portions for welding. The portions for welding are positioned to face a side wall region between a pair of apertures adjacently provided in the top portion, and the current flowing regions are defined between the portions for welding and the side wall regions of the top portion facing to the portions for welding, each forming a symmetrical current flowing region. | 08-04-2011 |
20110206956 | ROUND CELL BATTERY - A round cell battery comprising a stack of substantially cylindrically-shaped electrically conductive grid plates and two or more bus bars. One or more of the bus bars is electrically connected to outer rims of a set of alternating ones of the grid plates in the stack and to a positive voltage post of the battery. A different one or more of the bus bars is electrically connected to outer rims of a different set of alternate ones of the grid plates in the stack and to a negative voltage post of the battery. | 08-25-2011 |
20110223448 | RECHARGEABLE BATTERY - A rechargeable battery including: an electrode assembly; and a case including a receiving portion to house the electrode assembly, a junction portion disposed around the receiving portion, formed by bonded films of the case, and gas outlet disposed in the junction portion. The gas outlet includes a first block portion, a second block portion, and a buffering space disposed between the first and second block portions. | 09-15-2011 |
20110236732 | PACKAGE FOR LARGE FORMAT LITHIUM ION CELLS - A battery cell is disclosed. The battery cell includes a sealed foil pouch having a plurality of openings and a terminal block disposed within the sealed foil pouch. The terminal block has a plurality of terminals extending outwardly therefrom. Each of the plurality of terminals extends through one of the plurality of openings. A method of making the battery cell is also disclosed. | 09-29-2011 |
20110236733 | ENERGY STORAGE DEVICE - An energy storage device includes an electrode unit in which a cathode having a cathode lead, an anode having an anode lead, and a separator located between the cathode and the anode to separate the cathode and the anode from each other are rolled together; a housing receiving the electrode unit; an electrolyte filled in the housing; an inner terminal arranged in the housing to face the electrode unit; and an outer terminal connected to the inner terminal. A groove is formed in a side of the inner terminal, and a side protrusion is formed on an inner wall of the housing at a location corresponding to the groove. | 09-29-2011 |
20110268999 | BATTERY, VEHICLE MOUNTING THE BATTERY, AND DEVICE MOUNTING THE BATTERY - A battery includes a current breaking mechanism | 11-03-2011 |
20110274951 | BATTERY MODULE AND BATTERY MODULE ASSEMBLY USING SAME - A battery module includes a battery unit, a housing, a lid, and a heat-absorbing member. The battery unit includes two or more battery cells. The housing includes a storage part having an open end on at least one surface, and the storage part stores the battery unit. The lid has an opened part, and covers the open end of the housing. The heat-absorbing member is provided in contact with each side surface of each battery unit, and encloses heat-absorbing agent made of liquid or gel fluid. | 11-10-2011 |
20110293973 | BATTERY PACK - A battery pack includes a battery module including a plurality of battery cells; a housing accommodating the battery cells, the housing having a bottom plate and a plurality of side walls extending from the bottom plate; and a middle cover covering the battery module, the middle cover having a body and a coupling flange extending away from the body and located between one of the side walls and the battery module. | 12-01-2011 |
20110305927 | Devices and Methods for Lead Acid Batteries - A bipolar lead acid battery comprises a compression resistant separator in which the electrolyte is retained in a gelled form, and wherein quasi-bipolar electrodes are maintained in a cell stack under pressure. Most preferably, the negative active material further includes a compression resistant spacer structure and the battery is configured as a VR-BLAB where each single cell can independently vent gases during the charge cycle. | 12-15-2011 |
20110318615 | ELECTRICAL ENERGY STORAGE DEVICE - Provided is an electrical energy storage device including an electrode winding body, which includes a positive electrode generating electrons by oxidation and reduction, a negative electrode for absorbing the generated electrons, and separation layers for physically separating the negative electrode from the positive electrode, which are sequentially wound around a winding core, and an electrolyte provided between the positive electrode and the negative electrode, the electrical energy storage device including: a terminal plate for connecting the electrode winding body to an external electrode interconnecting member such as an external resistor; a cylindrical can for accommodating the electrode winding body connected to the terminal plate; and a ring-shaped sealing member for closing an opening formed in the can; wherein the sealing member includes a vent part having a vent hole and integrally formed in the center of at least one side of the sealing member. According to the present invention, in which a porous membrane for closing the vent hole or the additional vent hole is expanded and burst in an accommodation hole of the can by an internal pressure of the can in the event that the internal pressure of the can is excessively increased by a long term use or an external factor, it is possible to prevent the can from being deformed or exploded. | 12-29-2011 |
20120003512 | SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - A secondary battery includes a battery can | 01-05-2012 |
20120003513 | BATTERY SYSTEM HAVING A CHAMBER CONTAINING INERT GAS - A battery module includes a plurality of electrochemical cells. Each cell includes a vent at an end of the cell. The battery module also includes a chamber adjacent the vents of the electrochemical cells. The battery module further includes an inert gas in the chamber for reducing the amount of oxygen present within the chamber. | 01-05-2012 |
20120015218 | BATTERY MODULE - A battery module includes a plurality of rechargeable batteries and a housing configured to receive the rechargeable batteries, wherein the housing has a vent opening; and a valve configured to close the vent opening, wherein the valve includes a porous film with pores having a diameter larger than that of gas molecules and smaller than that of water particles. | 01-19-2012 |
20120015219 | EXPLOSION-PROOF DEVICE FOR USE IN POWER BATTERIES - An explosion-proof device for use in power batteries includes a battery cover defining an explosion-proof hole, a valve seat securely mounted in the explosion-proof hole and hermetically sealing the battery cover, and a rupture film positioned in the valve seat and hermetically sealing the explosion-proof hole. The rupture film is insulatively isolated from the valve seat via an insulative cushion enclosing the rupture film, or an insulative layer formed on the rupture film. In the explosion-proof device of the prevent invention, the rupture film is insulatively isolated from the valve seat, which can prevent the rupture film from being electrochemically corroded. | 01-19-2012 |
20120021259 | Rechargeable battery - A rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case, the cap plate including a vent hole for discharge of gas; and a safety vent at the vent hole, wherein the safety vent includes main groove at a center thereof; and sub groove around the main groove. | 01-26-2012 |
20120021260 | BATTERY MODULE - The battery module includes a plurality of cells serving as cylindrical secondary batteries; and a temperature regulator configured to regulate a temperature of the cells, wherein the cells are aligned with their side surfaces adjacent to each other, all the cells are electrically connected to each other in series, the temperature regulator includes a heat transferring member, and a heat dissipation member, the heat transferring member includes a plurality of insertion portions inserted into space surrounded by the side surfaces of the plurality of cells, and a base portion facing lower surfaces of the cells, at least a part of the heat transferring member which faces the cells is made of an electrically insulative substance, and the cells connected to each other in series are isolated from each other by the heat transferring member in a liquid-tight manner at the side surfaces and bottom surfaces of the cells. | 01-26-2012 |
20120021261 | ELECTROCHEMICAL CELL WITH A GAS PERMEABLE MEMBRANE - The present invention provides a means for minimizing and improving the reliability and safety of the electrochemical cells such as batteries, capacitors, or the like. The present invention involves forming one or more holes in an electrochemical cell such that the holes are connected to the outside, and attaching a gas permeable membrane around the hole such that the bonded surface of the gas permeable membrane is surface-treated in order to improve bonding properties. Thus, gas generated by the electrochemical cell is discharged to the outside to prevent the internal pressure of the electrochemical cell from rising, thereby reducing the weight and volume of the electrochemical cell and improving the reliability and safety thereof. | 01-26-2012 |
20120028088 | PRISMATIC SEALED SECONDARY BATTERY - The positive electrode substrate exposed portions or the negative electrode substrate exposed portions, or both, of an electrode assembly is split into two groups, and therebetween is disposed an intermediate member made of a resin material and holding one or more connecting conductive members. Collector members for the substrate exposed portions split into two groups is electrically joined by a resistance welding method to the substrate exposed portions split into two groups, together with the connecting conductive member(s) of the intermediate member. The resin material portion of the intermediate member protrudes, in the extension direction of the substrate exposed portions split into two groups, beyond the ends of the substrate exposed portions split into two groups and the ends of the collector member to a prismatic outer can. This structure enables enhanced resistance between the substrate exposed portions and the collector member and curbs variation in the welding strength. | 02-02-2012 |
20120028089 | GAS RELEASE FROM A BATTERY CELL - A lithium-ion or polymer-ion battery or generally a battery with electrolyte that is incompatible with water. The battery has a battery cell and a gas-tight casing around the battery cell. A vent is arranged in the casing and configured to allow exit of gases from the battery cell. The vent contains a body with a circumferential wall defining an external surface and a space within the body. The external surface provides a sealing surface configured for hermetic sealing the vent to the casing. The vent further contains a gas separation element for passing through gases from the battery cell and for substantially inhibiting electrolyte of the battery cell from passing through, configured to divide a given portion of the space defined by the circumferential wall into a first chamber and a second chamber. The vent also contains a water separation element within the second chamber, which water separation element further defines the second chamber and substantially prevents entry of water as liquid or humid air through the second chamber to the gas separation element. The vent is configured to enable release of gases from within the battery cell while preventing access of water into the batter cell. | 02-02-2012 |
20120070703 | Battery Module - The invention relates to a battery module, in particular for a motor vehicle. The battery module has a housing, at least one battery disposed in the housing, and at least one device for dissipating gases or vapors from the at least one battery. According to the invention, the at least one device has at least one element for precipitating at least one toxic and/or environmentally harmful material from the gases or vapors. | 03-22-2012 |
20120070704 | LITHIUM RECHARGEABLE BATTERY - A lithium rechargeable battery includes an insulation case positioned on top of an electrode assembly where the insulation case has least one hole to improve the stability of the battery by evacuating gas that may be generated by the electrode assembly. | 03-22-2012 |
20120077061 | Nickel-Metal Hydride Accumulator - A nickel-metal hydride accumulator for industrial applications has positive nickel hydroxide electrodes and, separated therefrom, negative metal hydride electrodes as well as an alkaline electrolyte surrounding the electrodes. An improved nickel-metal hydride accumulator that is in particular insensitive to influences of temperature has a thermal arrangement which increases the specific thermal capacity of the accumulator and is formed by an additional electrolyte volume, wherein the accumulator comprises a plastics material housing which receives the electrodes and the electrolyte and is provided with a pressure relief valve. | 03-29-2012 |
20120094153 | Cross Stripping for High-Rate Lithium Battery Cell Pack - A battery pack comprising a plurality of battery cells being positioned adjacent to one another in a series of rows including a first outer row and a second outer row, a first endcap strip connected to the first row, a second endcap strip connected to the second row, and a plurality of cross-member strips connected to adjacent rows, wherein the first endcap, second endcap, and plurality of cross-member strips join the plurality of battery cells in both parallel and series. | 04-19-2012 |
20120107650 | MAGNETIC SEALING VALVE DEVICE FOR A BATTERY CASE - A valve apparatus ( | 05-03-2012 |
20120114984 | BATTERY MODULE - A battery module includes a battery array having a plurality of battery cells each including a terminal surface exposing an electrode terminal and a vent, and a bottom surface generally opposite to the terminal surface, wherein the battery cells are stacked together; end plates adjacent outer ends of the battery array and having electrode openings exposing the electrode terminals; vertical fixing plates having side holders extending along a portion of a side of the battery array; and horizontal insulating members located between adjacent ones of the stacked battery cells. | 05-10-2012 |
20120114985 | BATTERY MODULE - A battery module including a battery array including: a plurality of battery cells, each including a first surface at a first end of the battery cell; an electrode terminal at the first end; a second surface at a second end of the battery cell opposite the first end; and a side surface extending between the first and second ends, the second surfaces of first and second battery cells of the plurality of battery cells facing each other. | 05-10-2012 |
20120114986 | SECONDARY BATTERY AND ENERGY STORING APPARATUS - Provided as a secondary battery including a metallic can including a accommodating portion accommodated with an electrode assembly and an electrolyte together, and an opening portion; a metallic cap positioned in the opening portion of the can to seal the can; and a fuse-joining member having the melting point lower than that of the can and the cap, and being fused-joined in a state interposed at a joining portion between the can and the cap, and/or in the state surrounding around the joining portion. | 05-10-2012 |
20120156531 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a first collecting plate electrically coupled to the first electrode plate; a second collecting plate electrically coupled to the second electrode plate; a case containing the electrode assembly, the first collecting plate, and the second collecting plate; a first electrode terminal electrically coupled to the first collecting plate; a second electrode terminal electrically coupled to the second collecting plate; a first plate coupled to the first collecting plate and the first electrode plate and configured to seal the case; a second plate coupled to the second collecting plate and the second electrode terminal; and an insulation plate between the first plate and the second plate. | 06-21-2012 |
20120156532 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a positive electrode plate and a negative electrode plate laminated with a separator and wound together, a positive electrode tab connected to the positive electrode plate and a negative electrode tab connected to the negative electrode plate, a case having an opening at an upper end to accommodate the electrode assembly and the case being made of a plastic material, and a cap assembly including a positive electrode lead tab electrically connected to the positive electrode tab and a negative electrode lead tab electrically connected to the negative electrode tab and the cap assembly being made of a plastic material to be coupled to the opening of the case. | 06-21-2012 |
20120171525 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a first electrode plate including a first non-coating portion, a second electrode plate including a second non-coating portion, and a separator between the first and second electrode plates; an insulating bag accommodating the electrode assembly and including first and second connection members electrically connected to the first and second non-coating portions, respectively; a case accommodating the electrode assembly and the insulating bag; a cap plate sealing an opening of the case; and first and second electrode terminals electrically connected to the first and second connection members, respectively. An upper part of the insulating bag having an opening is coupled to a lower surface of the cap plate. | 07-05-2012 |
20120177958 | SEALED BATTERY TO WITHSTAND INTERNAL PRESSURES AND BATTERY MODULE USING SAME - A sealed rectangular battery excellent in volumetric efficiency and pressure resistance is provided. The sealed rectangular battery includes an electrode group having a positive electrode and a negative electrode and a cell casing for accommodating therein the electrode group and an electrolyte solution, which casing includes a rectangular frame member, a first lid member and a second lid member. Each of the first and second lid members includes a body portion for covering one of the openings of the frame member, and a side portion formed so as to protrude from the body portion substantially along at least one set of sides opposite to each other. | 07-12-2012 |
20120177959 | CYLINDRICAL BATTERY - Provided is a cylindrical battery, comprising a cylindrical battery electrode assembly which is formed by coiling a positive plate and a negative plate separated by a diaphragm and is coiled on a core bar. The cylindrical battery is characterized in that an inner end surface of a positive electrode lead-out terminal located at one end of the cylindrical battery electrode assembly is directly connected with the entire end of the positive plate at the corresponding end of the cylindrical battery electrode assembly, and an inner end surface of a negative electrode lead-out terminal located at the other end of the cylindrical battery electrode assembly is directly connected with the entire end of the negative plate at the corresponding end of the cylindrical battery electrode assembly, so that a bus structure is formed in such a manner that the positive and negative electrode lead-out ends are respectively disposed at two ends of the battery. According to the present disclosure, as the positive and negative electrodes are respectively disposed at two ends of the battery, current of the positive and negative plates flows from the two ends, significantly increasing the high current charge-discharge capability of the battery and effectively improving the performance of heat dissipation in the battery as well as the safety property of the battery. | 07-12-2012 |
20120196160 | Secondary battery - A rechargeable battery includes an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing an opening in the case, and electrode terminals extending through the cap plate at opposite ends of the cap plate. The cap plate includes a recessed portion extending in one direction between the electrode terminals. | 08-02-2012 |
20120196161 | SECONDARY BATTERY INCLUDING ONE-WAY EXHAUST MEMBER - Disclosed herein is a plate-shaped secondary battery constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case, and the battery case is sealed by thermal welding, wherein the secondary battery has at least one-way exhaust member, mounted at a sealed portion, formed at the outer circumference of an electrode assembly receiving part of the battery case, for allowing internal high-pressure gas to be exhausted out of a battery cell and preventing external gas from being introduced into the battery cell. The secondary battery according to the present invention has the effect of effectively exhausting internal high-pressure gas generated during the abnormal operation of the battery, such as overcharge, out of the battery case, while maintaining the sealability of the battery case, thereby simultaneously improving the efficiency and safety of the battery. | 08-02-2012 |
20120214029 | RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly, the electrode assembly including a positive electrode and a negative electrode; a case accommodating the electrode assembly; a cap plate coupled with the case; and a vent member welded to the cap plate, the vent member including a notch thereon, wherein a welded unit, by which the vent member and the cap plate are welded together, is separately formed toward a center of the cap plate in a thickness direction from an outer side of the cap plate so as to be spaced apart from the outer side of the cap plate. | 08-23-2012 |
20120231305 | SECONDARY BATTERY AND BATTERY PACK HAVING THE SAME - A secondary battery including a case having an opening; an electrode assembly housed in the case; at least one current collector coupled to an uncoated portion of the electrode assembly and forming an electrode terminal, wherein the case has a coupling groove recessed toward the at least one current collector; and a cap plate coupled to seal the opening of the case. | 09-13-2012 |
20120231306 | Battery Pack Venting System - A thermal management system is provided that minimizes the effects of thermal runaway within a battery pack. The system is comprised of a sealed battery pack enclosure configured to hold a plurality of batteries, where the battery pack enclosure is divided into a plurality of sealed battery pack compartments. The system also includes a plurality of battery venting assemblies, where at least one battery venting assembly is integrated into each of the sealed battery pack compartments, and where each of the battery venting assemblies includes an exhaust port integrated into an outer wall of the battery pack compartment and a valve, the valve being configured to seal the exhaust port under normal operating conditions and to unseal the exhaust port when at least one of the batteries within the battery pack compartment enters into thermal runaway. | 09-13-2012 |
20120237802 | SECONDARY BATTERY - Provided is a secondary battery including a fuse part that can continually function as a fuse. In the state where a first short circuit plate contacts a connecting plate to form a short circuit, even when heat generated from the short circuit melts the first short circuit plate, a second short circuit plate contacts the connecting plate to maintain a short circuit state, so that the fuse part can continually function as a fuse. The secondary battery includes an electrode assembly, a case accommodating the electrode assembly, a cap assembly including a cap plate sealing the case and having a short circuit hole, and a short circuit assembly including a first short circuit plate, a second short circuit plate, and a connecting plate. The first short circuit plate is disposed in the short circuit hole. The second short circuit plate contacts a lower part of the first short circuit plate. The connecting plate is spaced apart from the cap plate and is disposed outside the cap plate to cover the short circuit hole. | 09-20-2012 |
20120237803 | Battery Pack Directed Venting System - A thermal management system is provided that minimizes the effects of thermal runaway within a battery pack, the system using an integrated battery venting assembly comprised of an integrated exhaust port, a valve retention plate that covers the exhaust port and includes a plurality of retention plate ports, and a plurality of valves that are configured to seal the retention plate ports under normal conditions and unseal the retention plate ports during thermal runaway. As hot gas passes through the retention plate ports, the plate is configured to melt and be ejected, thereby allowing subsequent hot gas to pass through the larger exhaust port. A perforated cover plate may be used to protect the external surfaces of the retention plate and valves. An internally mounted exhaust guide may be used to direct the flow of hot gas expelled during the thermal runaway event. | 09-20-2012 |
20120251850 | ELECTRIC STORAGE APPARATUS - An electric storage apparatus has an electric-generating element performing charge and discharge and a case accommodating the electric-generating element and an electrolytic solution. The case has an injection portion, a cap, a worked portion, and a valve. The injection portion is used for injecting the electrolytic solution into the case. The cap closes the injection portion. The worked portion is formed along the outer shapes of the injection portion and the cap by working the wall face of the case. The valve is used for discharging gas produced within the case to the outside of the case and is provided between the injection portion and the worked portion. | 10-04-2012 |
20120258338 | RECHARGEABLE BATTERY - A rechargeable battery for improving stability by quickly transmitting generated gas to a vent plate when an internal short circuit occurs, the rechargeable battery including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case containing the electrode assembly; and a cap plate sealing an opening of the case and including an electrode terminal connected to the electrode assembly, the cap plate further including a round unit arranged at an inner side of the case. | 10-11-2012 |
20120263981 | EMERGENCY COOLING DEVICE - An energy storage system, in particular a battery having a plurality of battery cells. These battery cells are accommodated in a first container. The first container is separated from a second container by a separating element, which allows for establishing a pressure difference Δp for expansion of a gas out of the first container into the second container. | 10-18-2012 |
20120308855 | BATTERY AND PRODUCTION METHOD THEREOF - According to one embodiment, there is provided a battery having a plurality of current collector tabs extended from a plurality of points of a current collector of at least one electrode of a positive electrode and a negative electrode. The battery further has a lid and a lead. The lead has a current collector tab junctional part connected with the current collector tabs, a lid junctional part fixed to the lid, and a vibration absorber part linking the current collector tab junctional part to the lid junctional part. | 12-06-2012 |
20120315513 | LITHIUM SECONDARY BATTERY - A lithium secondary battery including an electrode assembly; a can accommodating the electrode assembly; a cap assembly coupled with the can, the cap assembly being positioned at a topmost part of the can and having an upper cap including gas discharge holes therein; and a washer coupled with the upper cap, wherein the washer includes a body part, the body part having a flat plate shape and having a centrally disposed connection hole; and insertion parts, the insertion parts extending toward a center of the connection hole from the body part and being arranged in the gas discharge holes. | 12-13-2012 |
20120328912 | WINDING ASSEMBLY FOR ELECTROCHEMICAL CELLS, METHODS OF MAKING THE WINDING ASSEMBLY, AND THE ELECTROCHEMICAL CELL - A winding assembly including positive and negative electrodes and a separator sheet wound in an overlying relationship such that the separator sheet is positioned between the positive and negative electrodes, and such that an exposed edge of the positive electrode is spaced longitudinally from an unexposed edge of the negative electrode at one end, and such that an exposed edge region of the negative electrode is spaced longitudinally from an unexposed edge of the positive electrode at an opposite end, and wherein a portion of the positive electrode proximate to the exposed edge of the positive electrode comprises a first plurality of apertures and a portion of the negative electrode proximate to the exposed edge of the negative electrode comprises a second plurality apertures. | 12-27-2012 |
20130029188 | SECONDARY BATTERY - A secondary battery including an electrode assembly, the electrode assembly including an uncoated region at ends thereof; a case accommodating the electrode assembly; a cap plate coupled with the case; and an insulation member in the case, the insulation member including a first region between the electrode assembly and the cap plate, and a second region between the uncoated region of the electrode assembly and an inner surface of the case. | 01-31-2013 |
20130040172 | STRUCTURE OF LITHIUM-ION BATTERY MODULE - A structure of lithium-ion battery module comprises a battery case, containing one or more flexible packaging polymer lithium-ion battery cells, at of which top a connecting conductor is arranged to connect them in series and/or parallel to form a battery pack, positive and negative poles of the battery pack are mounted on the connecting conductor. The structure further comprises a battery cover plate welded on the open end of the battery case to package the battery pack into the battery case, and the positive and negative pole terminals of the battery module are arranged on the battery cover plate and welded to the positive and negative poles. The plate is provided with one or more through hole, through which the air in the battery case is evacuated and the inert gas is injected, after that a steel ball is clamped into each through hole to seal the battery case. | 02-14-2013 |
20130040173 | BATTERY PACK - A battery pack comprising: a secondary battery including a safety valve; a gas absorption portion including a gas absorbent represented by zeolite and a container hermetically enclosing the gas absorbent; and a case housing the secondary battery and the gas absorption portion. The safety valve is configured to discharge a gas produced in the secondary battery at the time of abnormality. The container includes a principal surface facing the safety valve, for example, and when the gas is discharged, the container is unsealed by rupturing of at least the principal surface of the container by an effect of heat or pressure of the gas. | 02-14-2013 |
20130071703 | MOBILE BATTERY MODULES FOR HIGH POWER APPLICATIONS - Some embodiments of the present disclosure relate to a mobile battery module for high power applications. The mobile battery module includes a case having a chamber therein, wherein one or more engagement elements are disposed on an inner surface of the case. A number of blocks removably engage the one or more engagement elements, wherein each block includes a pair of opposing sidewalls. Within each block, a number of end caps extend from the opposing sidewalls to cooperatively hold a number of respective cells there between. | 03-21-2013 |
20130084475 | LITHIUM ION BATTERY - A lithium ion battery including a lithium ion battery core, a cylindrical aluminum shell, a positive guide needle of the anode, a negative guide needle of the cathode, a rubber seal having a circular recess in the outside of the side wall, and a sealing band. The battery core is arranged within the shell. The positive and negative guide needles are led out from under the seal. The battery core together with the rubber seal is sealed in the shell via the sealing band which is molded from an insulated moldable material by rolling. The sealing band is applied only to the top portion of the shell, the side wall of the seal, and the edge of the top wall of the seal. The bottom wall of the shell is provided with a pressure relief valve. | 04-04-2013 |
20130095352 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has a pressure-sensitive elastic element reliably operating at a desired operating pressure. The battery includes an outer can having an opening; an electrode assembly which is housed in the outer can and comprises a positive electrode having a positive electrode current collector and a negative electrode having a negative electrode current collector; a sealing plate sealing the opening; an external electrode terminal whose one end is engaged with the throughhole of the sealing plate and whose other end projects outside the sealing plate; and a pressure-sensitive elastic element which is disposed inside the sealing plate in the battery and deforms in accordance with an increase in the gas pressure in the battery, the external electrode terminal. The external electrode terminal includes therein a hole connecting the outside of the battery and the space in contact with the outer side of pressure-sensitive elastic element. | 04-18-2013 |
20130130070 | BATTERY UNIT - A battery unit has battery cells having electrode terminals, bus bars having voltage potential detection terminals, a control board having a voltage detection circuit and a discharge duct. In the battery cell, the electrode terminals of the battery cells are electrically connected to the voltage potential detection terminals of the bus bars. The voltage potential detection terminals of the bus bars are electrically connected to the voltage detection circuit formed on the control board through metal conductive members or lines. The voltage detection circuit detects a voltage potential of each of the battery cells through the metal conductive members. The metal conductive members are not dedicated components, and integrated with the discharge duct by insert molding. | 05-23-2013 |
20130130071 | BATTERY PACK - A battery pack has battery cells and bus bars. Each of the battery cells is covered with an exterior case. All the battery cells are electrically connected in series through the bus bars. The battery cells are divided into a first stacked group and a second stacked group arranged adjacent to each other in a lateral direction of the battery pack. The battery cells in each stacked group are stacked in a thickness direction of the battery pack. The stacked groups have a different number of the battery cells in order to make a stair structure. An electrode terminal of one end terminal of the battery cells connected in series is arranged adjacent to the stair structure. A control board is arranged on a lower step part of the stair structure. Devices formed on the control board detect a state of each battery cell. | 05-23-2013 |
20130136958 | BATTERY ASSEMBLY WITH HIGH THERMAL CONDUCTIVITY - The invention relates to a battery assembly with high thermal conductivity. The battery assembly comprises a metal case having a hollow accommodation cavity formed therein, a plurality of battery cores installed parallel to one another within the metal case, and a common electrode for connection to the other electrode in each of the battery cores. Each of the battery cores has two electrodes, with one of the electrodes that corresponds to those of the rest of the battery cores being connected in a thermally conductive manner to the metal case. The invention takes advantage of high thermal conductivity of metallic material and dissipates heat by connecting the metal case to the battery electrodes. The invention further comprises fixation troughs formed on the metal case, thereby reducing the size of the assembly. | 05-30-2013 |
20130143077 | ELECTROCHEMICAL CELL PACKAGE - A lithium-ion battery package can include flexible foil, a first conductor patch exposed on the flexible foil, a second conductor patch exposed on the flexible foil, a folded orientation of the flexible foil that includes a contact between the first conductor patch and the second conductor patch, and an expanded orientation of the flexible foil that includes a space between the first conductor patch and the second conductor patch. Various other apparatuses, systems, methods, etc., are also disclosed. | 06-06-2013 |
20130171482 | NICKEL-ZINC RECHARGEABLE PENCIL BATTERY - A rechargeable pencil battery has a hollow cylindrical positive electrode including nickel hydroxide; a gelled negative electrode comprising at least one of zinc and a zinc compound; a separator interposed between the hollow cylindrical positive electrode and the gelled negative electrode; and a negative electrode current collector inserted into the gelled negative electrode. Rechargeable batteries of the invention are capable of between about 50 and 1000 cycles from a fully charge state to a fully discharged state at a discharge rates of about 0.5 C or greater, in some embodiments about 1 C or greater. Batteries of the invention have a ratio of length to diameter of between about 1.5:1 and about 20:1, and therefore can be longer than typical commercially available batteries but also include batteries of commercial sizes e.g. AAAA, AAA, AA, C, D, sub-C and the like. | 07-04-2013 |
20130177785 | HIGH TEMPERATURE-PROOF DEVICE FOR LITHIUM BATTERY - The present invention discloses a high temperature-proof device for a lithium battery, which is installed in a casing of a lithium battery. The casing has a sealing board on one face thereof. The sealing board has at least one through-hole where a pressure relief module is installed. The pressure relief module has a top cover protruding from the sealing board. The top cover has at least one exhaust hole and an engagement member arranged inside the top cover. The engagement member has a first exhaust channel. A low-melting point compound is arranged inside the first exhaust channel. The present invention releases the high-temperature gas generated by inappropriate chemical or electric reaction inside a lithium battery. Thus, the present invention can prevent a lithium battery from burning or explosion caused by the high-temperature gas. Therefore, the present invention can effectively promote safety of lithium batteries. | 07-11-2013 |
20130177786 | LITHIUM ACCUMULATOR - A lithium accumulator containing positive and negative electrodes with a minimum thickness of 0.5 mm, separated by separators, where each electrode is deposited into a hole in a frame, as a part of a set of frames arranged in a stack between marginal covers, with electrical insulation between the frames of opposite electrodes and additional current collectors between identical electrodes, wherein each frame comprises at least one channel for passage of a heat exchange media and the channels of the individual frames are interconnected. Liquid accumulator electrolyte may be used as a heat exchange media. | 07-11-2013 |
20130189552 | CAR POWER SOURCE APPARATUS | 07-25-2013 |
20130196185 | PRISMATIC SECONDARY BATTERY - Disclosed is a highly reliable prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc. A second insulating member that has a through-hole is disposed between an inversion plate and the first region of a positive electrode collector, and through the through-hole the first region of the positive electrode collector is electrically connected to the inversion plate. First to third projections to formed around the through-hole formed in the second insulating member fit respectively into first to third openings formed in the first region of the positive electrode collector, and the diameters of their apexes are widened, thus forming first to third fixing portions. Thereby, the second insulating member is robustly joined to the first region of the positive electrode collector. | 08-01-2013 |
20130196186 | PRISMATIC SECONDARY BATTERY - A current interruption mechanism for prismatic secondary battery includes a tubular conductive member electrically connected to a positive electrode external terminal, an inversion plate, and a positive electrode collector connected to the inversion plate. The positive electrode collector has a first region that is parallel to a sealing body and a second region that is connected to a positive electrode plate. The boundaries between the first and second regions are disposed further outward than the inner surface of the tubular conductive member, and at least one of the edge portions, other than the boundaries between the first region and second region, is located further outward than the inner surface of the tubular portion of the conductive member. The current interruption mechanism is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc. | 08-01-2013 |
20130196187 | PRISMATIC SECONDARY BATTERY - Disclosed is a prismatic secondary battery in which a second insulating member that has a through-hole is disposed between an inversion plate and a first region of a positive electrode collector, and through the through-hole the first region of the positive electrode collector is electrically connected to the inversion plate by a connecting portion. The positive electrode collector has an annular notch portion that encircles the connecting portions connecting with the inversion plate. The product of the thickness t of the thinnest part of the notch portion and the length L of the notch portion is 0.28 to 0.57 mm | 08-01-2013 |
20130209842 | ALKALINE BATTERY - In an alkaline battery in which an opening of a battery case | 08-15-2013 |
20130209843 | ELECTRIC STORAGE DEVICE - An electric storage device includes an electrode assembly, a case, and a sealing member. The case includes a gas exhaust portion that opens to exhaust internal gas when an internal pressure increases. The sealing member is affixed to the case. The sealing member includes a protective portion and at least one of a perforation and a thin section having a thickness smaller than another section of the sealing member. The protective portion covers the gas exhaust portion of the case. | 08-15-2013 |
20130252037 | BATTERY AND BATTERY SYSTEM - A battery includes a valve unit which is disposed on a first surface of a battery container to be broken when a gas pressure in the battery container increases to a predetermined value or greater, so as to guide a gas in the battery container in a direction inclined at a predetermined angle with respect to a normal direction of the first surface to discharge the gas to the outside. | 09-26-2013 |
20130260190 | SECONDARY BATTERY - Terminal insulating members | 10-03-2013 |
20130273397 | POWER STORAGE DEVICE - A power storage device includes a plurality of power storage elements ( | 10-17-2013 |
20130302656 | Flame Arrestor for a Lead-Acid Battery - A lead-acid battery comprises a flame arrestor plug ( | 11-14-2013 |
20130316200 | POWER SOURCE APPARATUS HAVING BUS-BARS - A power source apparatus including batteries having positive and negative electrode regions, parallel blocks with batteries stacked together and electrically connected in parallel, multiple parallel-series connected blocks with the parallel blocks electrically connected in series, and bus-bars having a plurality of terminal insertion holes. Batteries in a parallel block are stacked together lining-up positive electrode regions on one side and negative electrode regions on the other side. Parallel blocks in a multiple parallel-series connected block are stacked so as to reverse the orientation of each block added to the stack. The bus-bars are integrated pieces that can electrically connect the batteries in a parallel block in parallel as well as electrically connect the parallel blocks in series. | 11-28-2013 |
20130323544 | Non-Aqueous Electrolyte Secondary Battery - In non-aqueous electrolyte secondary batteries, an organic solvent is used for an electrolyte. Thus, the non-aqueous electrolyte may be decomposed to produce a gas in the battery to abruptly raise the internal pressure of the battery in an abnormal state such as an internal short circuit or overcharge. In order to prevent a rupture of the battery case due to a rise in internal pressure, the non-aqueous electrolyte secondary battery includes a cleavage valve that opens when the internal pressure rises. The cleavage valve includes a valve element and a ring member, and is installed in a through hole provided in a lid plate. In order to prevent corrosion of the cleavage valve, a corrosion preventing foil is provided to cover the through hole provided in the lid plate of the battery case from inside the battery case to cover the cleavage valve. | 12-05-2013 |
20130330579 | BATTERY BLOCK AND POWER SUPPLY DEVICE - In a battery block, a plurality of battery cells are arrayed, connected, and fixed, and the plurality of battery cells are separated into a plurality of sections, each of which includes a predetermined number of battery cells separated as one section by a section plate. The battery block is sandwiched between two end plates and the two end plates and the section plates are bolted down and fixed via a plurality of rods extending along a direction in which the battery cells are arrayed. The battery cells each include a gas vent valve, and the battery block includes a vent duct that establishes communication between the gas vent valves of the battery cells. | 12-12-2013 |
20140004396 | CYLINDRICAL CELL | 01-02-2014 |
20140017524 | METHOD AND APPARATUS FOR MANUFACTURING A BATTERY SAFETY VALVE, A BATTERY SAFETY VALVE, AND METHOD FOR MANUFACTURING A BATTERY CASE LID - In a method for manufacturing a battery safety valve according to the present invention, a stainless steel metal sheet is used, and an thin annular portion constituting an edge portion of a safety valve is formed in a lid by simultaneously pressing annular projecting portions provided respectively on a punch and a die so as to oppose each other, against respective surfaces of the lid. | 01-16-2014 |
20140023889 | SEALING PLATE FOR PRISMATIC SECONDARY BATTERY AND PRISMATIC SECONDARY BATTERY USING THE SEALING PLATE - A prismatic secondary battery includes a prismatic hollow outer body having a mouth and a bottom; a flat electrode assembly, a positive electrode collector, a negative electrode collector, and an electrolyte, all of which are stored in the prismatic outer body; a sealing plate sealing up the mouth of the prismatic outer body; and a positive electrode terminal attached to the sealing plate in an electrically insulated manner. The sealing plate includes a gas release valve and an electrolyte pour hole and further includes, on the front face, a concaved flat face having an identification code. With the prismatic secondary battery of the invention, a jig for assembly or the like is unlikely to come into contact with the identification code during an assembly process of the prismatic secondary battery, hence the identification code is unlikely to be abraded, and the traceability is unlikely to be lost. | 01-23-2014 |
20140023890 | SEALING PLATE FOR PRISMATIC SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND PRISMATIC SECONDARY BATTERY USING THE SAME - A sealing plate for a prismatic secondary battery includes a pair of mouths for attaching a negative and positive electrode terminals, one mouth being formed near one end in a longitudinal direction of the sealing plate, and the other mouth being formed near the other end, coining areas used for positioning of an insulating member and formed around the pair of mouths on a front face of the sealing plate, a gas release valve and an electrolyte pour hole formed between the pair of mouths, and grooves formed between the respective coining areas and the long side edge of the sealing plate. The groove has a smaller depth near the gas release valve than the depth near the coining area. Even when the sealing plate is produced through forging, the front face has good flatness and the coining areas are unlikely to have a sink mark or a shear drop. | 01-23-2014 |
20140023891 | PRISMATIC SECONDARY BATTERY - A prismatic secondary battery includes a prismatic hollow outer body having a mouth and a bottom and storing an electrode assembly, a positive electrode collector, a negative electrode collector, and an electrolyte, a sealing plate sealing up the mouth of the prismatic hollow outer body, and a positive electrode terminal and a negative electrode terminal attached to the sealing plate; the sealing plate includes a gas release valve at the center between the positive electrode terminal and the negative electrode terminal and includes an electrolyte pour hole on one side of the gas release valve and, on the other side on the front face, a concaved flat face with a height lower than that of the peripheral portion; and the concaved flat face is formed with an identification code. | 01-23-2014 |
20140038001 | POWER BATTERY SAFETY COVER - The invention pertains to the technical field of a power battery, in particular to a power battery safety cover, comprising a cover plate, and a first terminal, a second terminal, a pressure release valve, a filling hole and a safety turning valve which are arranged on the cover plate, wherein the safety turning valve is electrically connected to the cover plate, on the cover plate is provided with a conducting plate for short-circuit protection which is electrically connected to the second terminal; the conducting plate for short-circuit protection, positioned above the safety turning valve, comprises a conducting plate main body and a first groove arranged on the conducting plate main body, and thickness of bottom of the first groove is less than that of the safety turning valve. | 02-06-2014 |
20140038002 | FILM-COVERED BATTERY AND ASSEMBLED BATTERY - The invention provides a closed type battery comprising a battery element covered with a covering film and a heat fusion seal portion formed by heat fusion on a periphery of the covering film, wherein the cleaving strength upon an internal pressure rise of a seal portion positioned between a positive electrode terminal and a negative electrode terminal is larger than that of any other seal portion, and a safety valve adapted to release pressure upon a battery's internal pressure rise is located at a portion other than said inter-terminal seal portion. The invention also provides an assembled battery wherein a plurality of closed type batteries are stacked one upon another while a safety valve adapted to release pressure upon an increase in the internal pressure of the battery is located at a position in no contact with the covering film surface of an adjoining battery. | 02-06-2014 |
20140038003 | SECONDARY BATTERY - A secondary battery typified by a lithium-ion secondary battery includes a battery outer container in which a gas release valve and positive and negative electrode external terminals are provided, an electrode group in which positive and negative plates are stacked with a separator interposed therebetween and current collection portions are provided at both ends, and positive and negative electrode current collectors forming a current path from the current collection portions of the electrode group to the positive and negative electrode external terminals, and the cross-sectional area of a gas exhaust flow channel through which gas generated inside the electrode group is discharged from the gas release valve is set so as to increase in a downstream direction. | 02-06-2014 |
20140050949 | NICKEL-ZINC RECHARGEABLE PENCIL BATTERY - A rechargeable pencil battery has a hollow cylindrical positive electrode including nickel hydroxide; a gelled negative electrode comprising at least one of zinc and a zinc compound; a separator interposed between the hollow cylindrical positive electrode and the gelled negative electrode; and a negative electrode current collector inserted into the gelled negative electrode. Rechargeable batteries of the invention are capable of between about 50 and 1000 cycles from a fully charge state to a fully discharged state at a discharge rates of about 0.5 C or greater, in some embodiments about 1 C or greater. Batteries of the invention have a ratio of length to diameter of between about 1.5:1 and about 20:1, and therefore can be longer than typical commercially available batteries but also include batteries of commercial sizes e.g. AAAA, AAA, AA, C, D, sub-C and the like. | 02-20-2014 |
20140072840 | System for the storage of electrical energy for a vehicle with electric propulsion - A system for the storage of electrical energy for a vehicle with electric propulsion; the storage system presents: at least one group of chemical batteries, which are arranged aligned with one another and each of which presents an upper wall, which is provided with a pair of electrical terminals and with a safety valve, and a lower wall, which is parallel and opposite to the upper wall; a container, which houses the group of chemical batteries; a relief duct, which rests against the upper walls of the chemical batteries and presents, for each safety valve, a corresponding opening, which is coupled to the safety valve; and a cooling element, which is parallel and opposite to the relief duct and rests against the lower walls of the chemical batteries. | 03-13-2014 |
20140072841 | BATTERY CAN FOR STORAGE BATTERY - Disclosed is a battery can for a storage battery, provided with a safety valve having a first and a second score groove portion is provided to inner and outer surface of can bottom, can body, or can lid. The first and the second score groove portion face each other, and have a first and a second score groove bottom portion, which have a radius of curvature R, respectively. The R is more than 0.20 mm and less than 1.20 mm, and a distance between the bottom portions is 0.045 to 0.150 mm. The portion, which has the safety valve, is constituted by a plated steel sheet having a steel sheet portion of C content is less than 0.040 mass %, S content is less than 0.020 mass %, and tensile strength TS is less than 400 MPa, and a plate layer formed on a surface of the steel sheet portion. | 03-13-2014 |
20140079964 | PRESSURE EQUALIZATION ELEMENT, HOUSING COMPRISING A PRESSURE EQUALIZATION ELEMENT, LITHIUM ION ACCUMULATOR AND MOTOR VEHICLE - A pressure equalization element for a housing includes a water-impermeable membrane. The membrane is combined with either a pressure relief valve acting in two directions or with a corresponding combination of two pressure relief valves such that a volume of air exchange is reduced. An amount of moisture transported into the housing is thus also reduced. | 03-20-2014 |
20140093756 | ASSEMBLED BATTERY - An assembled battery includes plural electric cells, a covered member at least a portion of which is made of metal, and insulation cover. The covered member is disposed along side portions of the electric cells on which terminals are provided. The insulation cover includes a main portion interposed between the covered member and the side portions of the electric cells, and an auxiliary portion extending from the main portion along a projecting direction of the terminal. | 04-03-2014 |
20140093757 | MANUFACTURING METHOD FOR MOLTEN SALT BATTERY AND MOLTEN SALT BATTERY - Provided is a method for manufacturing a molten salt battery. The method includes a housing step (S | 04-03-2014 |
20140106187 | SEALED BATTERY AND SAFETY VALVE - A sealed battery includes a return type safety valve. An annular projection that projects toward a valve body from a valve port is formed on a valve seat for the safety valve. The projection includes a first projection region and a second projection region that are defined by a shape of a tip of the projection and arranged in parallel in a circumferential direction of the valve port. The first projection region and second projection region have different curvature radii in a cross-section of the projection taken along an axial direction of the valve body. The pressure per unit area applied to the second projection region by the valve body is higher than the pressure per unit area applied to the first projection region by the valve body. | 04-17-2014 |
20140120385 | Composition that Enhances Deep Cycle Performance of Valve-Regulated Lead-Acid Batteries filled with Gel Electrolyte - Disclosed herein is a composition for use in a negative active material in a valve regulated lead-acid battery, comprising: a carbon material having a BET surface area from 150 m | 05-01-2014 |
20140120386 | Over-Saturated Absorbed Glass Mat Valve Regulated Lead-Acid Battery Comprising Carbon Additives - Disclosed herein is a absorbed glass matt (AGM) valve regulated lead-acid (VRLA) battery, comprising: a positive plate comprising a positive active material; a negative plate comprising a negative active material; wherein the negative active material comprises a composition comprising a carbon additive; an AGM separator; and an electrolyte; wherein the positive plate, the negative plate, the separator, and the electrolyte are disposed in a container comprising a valve; and wherein the electrolyte is present in an amount that ranges from 100 to 150% by volume based on the total pore volume of the separator. | 05-01-2014 |
20140127538 | SECONDARY BATTERY - A secondary battery according to an embodiment includes a package where an electrolytic solution is stored, an electrode assembly provided inside the package and configured to function as a power generation element, a pressure release valve provided in the package and configured to discharge a gas generated inside the package, and an insulator provided between the pressure release valve and the electrode assembly and covering the pressure release valve at a position away from the pressure release valve. The insulator includes multiple opening portions serving as flow paths of the gas. | 05-08-2014 |
20140154534 | POWER BATTERY SAFETY HEAD COVER - The invention pertains to the field of power battery technology, in particular to a power battery safety head cover, comprising a cover plate, a positive pole, a negative pole, a pressure release valve and a filling hole, wherein the positive pole, the negative pole, the pressure release valve and the filling hole are arranged on the cover plate, the positive pole is electrically connected with the cover plate, the negative pole is assembled with the cover plate in an insulating way, and the negative pole is connected with a negative temperature coefficient thermistor. | 06-05-2014 |
20140154535 | MODULAR BATTERY PACK APPARATUS, SYSTEMS, AND METHODS INCLUDING VIRAL DATA AND/OR CODE TRANSFER - Intelligent modular battery pack assemblies and associated charging and docking systems are disclosed. In one embodiment a modular battery pack assembly may include an outer casing assembly, a thermally conductive structural housing element configured to house a battery assembly in an interior volume, a lid element configured to cover the opening in the thermally conductive structural housing element and mechanically strengthen the thermally conductive structural housing element, and a circuit element disposed to electrically couple the battery cell to a battery-powered device and provide viral data transfer between the battery and a coupled device. | 06-05-2014 |
20140186662 | BUS BAR CASE, ELECTRIC STORAGE APPARATUS, AND VEHICLE - A bus bar case includes a bus bar holding portion unifying and holding a plurality of bus bars for electrically connecting adjacent cells of a plurality of cells arranged in a predetermined direction, each of the cells having a gas discharge valve, and a hose holding portion provided integrally with the bus bar holding portion and holding an exhaust gas hose for directing gas discharged through the gas discharge valve in the predetermined direction, the gas discharge valve being provided for each of the plurality of cells, wherein the hose holding portion has a recess portion forming a space for passing the exhaust gas hose between the hose holding portion and an upper face of the cell when the plurality of bus bars held by the bus bar holding portion are fixed to the plurality of cells. | 07-03-2014 |
20140193674 | BATTERY MODULE - A battery module includes: battery blocks which are connected to each other and each of which includes cells. Each of the cells has an opening through which a gas generated in the cell is released to an outside. Each of the battery blocks has a holder in which the cells are accommodated with the openings of the cells being aligned on a same side. On a side of the battery block on which the openings are aligned, a flat plate in touch with one end of the cells is disposed such that the gas passes above the flat plate. Each adjacent two of the battery blocks are disposed such that the flat plates are substantially flush with each other. The flat plate of one of the each adjacent two of the battery blocks extends above the holder of the other of the each adjacent two of the battery blocks. | 07-10-2014 |
20140199565 | VALVE ASSEMBLY FOR PREVENTING BACKFLOW FOR USE WITH A BATTERY CASE AND BATTERY CASE HAVING THE VALVE ASSEMBLY - A valve assembly for preventing backflow and a battery case using the same is disclosed. In one aspect, the valve assembly for preventing backflow includes a first valve; a connection tube connected to the first valve and having at least one bent portion; and a second valve connected to the connection tube. In the valve assembly, the second valve is disposed so that the lowermost surface of the second valve is positioned lower than the lowermost surface of the first valve. | 07-17-2014 |
20140205868 | CYLINDRICAL NICKEL-ZINC CELL WITH POSITIVE CAN - Rechargeable nickel zinc cells, and methods of manufacture, of a configuration that utilizes a positive can with a vent cap at the positive pole of the battery are described. | 07-24-2014 |
20140205869 | PACKAGED BATTERY, STACKED BATTERY ASSEMBLY, AND FILM-COVERED BATTERY - A packaged battery, an assembled battery, and a film-covered battery, which can prevent a dangerous state involving a high-pressure gas filled in the film-covered battery while ensuring a sealing reliability, are provided. The Packaged battery includes film-covered battery | 07-24-2014 |
20140205870 | Battery Pack - A battery pack for a vehicle may include a cell array defining an upper surface and a housing defining a raised portion extending along and above a length of the array such that the raised portion and upper surface define a vent manifold therebetween which may be configured to collect gases generated by the array. The housing may define a discharge opening configured to allow gases to exit the manifold. A pair of end plates may be disposed at opposing ends of the array. One of the end plates may define a pass through portion in at least partial registration with the discharge opening. An outlet tube may be configured to facilitate fluid communication between the vent manifold and exterior of the vehicle. The battery pack may also include spacers located between upper edges of adjacent cells and may be configured to prevent cooling gases from entering the vent manifold. | 07-24-2014 |
20140272487 | BATTERY - In general, according to one embodiment, there is provided a battery. This battery includes a container, a lid, a gas-relief vent, an electrode group, an intermediate lead, and a terminal lead. The gas-relief vent is provided in the lid. The intermediate lead includes a first lead-joint part, an electrode-group-joint part, and a leg part. The leg part connects the first lead-joint part and the electrode-group-joint part to each other. The first lead-joint part and the electrode-group-joint part are located on planes different from each other. | 09-18-2014 |
20140287282 | Filter Element - A seal arrangement for a housing for receiving a battery has a valve arrangement for compensating a pressure differential between an interior of the housing for receiving a battery and an environment outside of the housing for receiving a battery. A desiccant is provided for removing moisture from a gas contained in the interior or gas that flows into the housing for receiving a battery. A chamber is provided that is connected to the valve arrangement and that contains the desiccant, wherein the chamber and the valve arrangement are in gas-conducting communication with each other. | 09-25-2014 |
20140287283 | POWER SUPPLY APPARATUS - A power supply apparatus that supplies electric power to an external electrical device through a cable is provided with a battery pack, and a battery pack case that houses the battery pack. The battery pack case includes a case body having an opening through which the battery pack to be taken in and out, a cover member that liquid-tightly closes the opening of the case body, in which at least one of the case body and the cover member is formed with a ventilation hole so as to penetrate therethrough, and a filter apparatus that does not allow liquid to pass therethrough but allows gas to pass therethrough is provided in the ventilation hole. | 09-25-2014 |
20140295220 | ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE APPARATUS - An electric storage device is provided with an electrode assembly including a positive electrode plate and a negative electrode plate; a case for housing the electrode assembly; a positive-electrode external terminal arranged on an outer surface of the case and electrically connected to the positive electrode plate; a negative-electrode external terminal arranged on an outer surface of the case and electrically connected to the negative electrode plate; and a gas exhaust valve formed in a region of the case on the opposite side of a region where the positive-electrode external terminal and the negative-electrode external terminal are arranged. | 10-02-2014 |
20140295221 | ADDITIVES FOR NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY USING THE SAME - Disclosed are an electrolyte for a secondary battery, and a secondary battery including the same, the electrolyte including an electrolyte salt; an electrolyte solvent; and a compound generating heat through oxidation at voltages higher than drive voltage of a cathode, wherein the compound can decompose or evaporate electrolyte components by oxidation heat, thereby causing gas generation. Also, the compound is included in an internal pressure increase accelerant for a battery. Upon overcharge, since a compound subjected to oxidation at voltages higher than normal drive voltage of a cathode generates heat, electrolyte components can be decomposed or evaporated, thereby generating gas by the oxidation heat. Accordingly, it is possible to operate a safety means of a battery, without using an internal pressure increasing material directly generating gas through oxidation at overcharge voltage as the electrolyte additive, and thus to improve the overcharge safety of a secondary battery. | 10-02-2014 |
20140302356 | Battery Module - A battery module includes a cell unit, a first end plate, and a binding band. The cell unit includes a plurality of battery cells arranged in a first direction. The first end plate is located on one side of the cell unit in the first direction. The binding band extends in the first direction and is coupled with the first plate so as to bind the first end plate and the cell unit. The first end plate has an external terminal surface directed to an opposite side with respect to the cell unit in the first direction. An external terminal is connected to the external terminal surface. The binding band is located on a side surface of the cell unit and is coupled with the external terminal surface. | 10-09-2014 |
20140302357 | Battery Module - A battery module has a cell unit including battery cells and a battery monitoring element attached to the cell unit. The battery cells are arranged in a first direction. The battery cell includes pressure release section for releasing a pressure in the battery cell. The cell unit has side surfaces including at least one internal pressure release section surface which is a surface where the internal pressure release section is disposed. The battery monitoring element is disposed on a non internal pressure release section surface which is different from the internal pressure release section surface. | 10-09-2014 |
20140302358 | CAP ASSEMBLY HAVING IMPROVED MANUFACTURING PROCESSABILITY AND CYLINDRICAL BATTERY COMPRISING SAME - Disclosed herein is a cap assembly loaded on an open upper end of a cylindrical container of a battery configured to have a structure in which an electrode assembly (jelly roll) of a cathode/separator/anode structure is mounted in the cylindrical container, the cap assembly including a safety vent connected to a current interruptive device (CID) for safety, a protruding top cap connected to the safety vent along an outer circumference thereof, and a gasket mounted at an outer circumference of the top cap, wherein a cathode tab is attached to a cathode active material-uncoated portion of the cathode by welding and the gasket is provided with at least one groove depressed upward from an outer circumference of a lower end of the gasket for easy welding between the CID and the cathode tab at the time of manufacturing the battery. | 10-09-2014 |
20140308548 | TERMINAL-COVER ASSEMBLY FOR SECONDARY BATTERY - A terminal-cover assembly for a secondary battery comprises a cover and at least two terminal assemblies. The cover is arranged on one side of the battery housing and has several through-holes where two terminal assemblies are installed. Each terminal assembly has an electric-conduction terminal penetrating the through-hole. The electric-conduction terminal has an installation member at one end thereof and at least one fixing element with a female thread. A fastening element with a male thread is inserted through the installation member and engaged with the female thread of the fixing element. The fixing element and fastening element are made of an identical material. Thereby, the fastening element and the fixing element can cooperate with electric-conduction plates to cascade secondary batteries to form a battery assembly, neither damaged by hardness difference nor loosened by different extents of deformations resulting from different thermal expansion coefficients. | 10-16-2014 |
20140308549 | BATTERY AND PRODUCTION METHOD THEREOF - According to one embodiment, there is provided a battery having a plurality of current collector tabs extended from a plurality of points of a current collector of at least one electrode of a positive electrode and a negative electrode. The battery further has a lid and a lead. The lead has a current collector tab junctional part connected with the current collector tabs, a lid junctional part fixed to the lid, and a vibration absorber part linking the current collector tab junctional part to the lid junctional part. | 10-16-2014 |
20140322565 | HERMETICALLY SEALED BATTERY - A hermetically sealed battery is provided with a sealing member for air-tightly sealing the through-hole of a battery case from the outside. The sealing member has: a covering member secured to the battery case from the outside; an insertion portion inserted into the through-hole; an annular pressure contact portion in air-tight pressure contact with the hole surrounding portion of the battery case; and a connecting portion disposed between the insertion portion and the annular pressure contact portion so as to be integral with the insertion portion and the annular pressure contact portion. The connecting portion is provided with an annular groove surrounding the insertion portion. | 10-30-2014 |
20140335385 | BUS BAR MODULES - A bus bar module may have a bus bar including a battery side terminal portion and a connection portion. The battery side terminal portion may electrically connect electrode terminals of two adjacent battery cells of a battery assembly. The connection portion may electrically connect the battery side terminal portion and a terminal of a circuit side member associated with the battery assembly. The bus bar may be configured as a single member. | 11-13-2014 |
20140335386 | BUS BAR MODULES - A bus bar module may include a circuit side member associated with a battery assembly having a plurality of battery cells arranged next to each other in an arrangement direction, and a bus bar electrically connecting the circuit side member with the battery cells of the battery assembly. A gas discharge duct may be integrated with the circuit side member and configured to allow flow therethrough of gas discharged from safety valves associated with the battery cells. | 11-13-2014 |
20140342197 | THERMAL MANAGEMENT OF ELECTRICAL STORAGE DEVICES BY COOLANT POOL - A battery system including a passive cooling system for cooling a plurality battery cells during normal operation and during overheating of the battery cells. The passive cooling system may include a housing, a cooling fluid (coolant pool) within the housing, and a plurality of dividers between each of the plurality of battery cells. | 11-20-2014 |
20140356655 | BATTERY PACKAGING MATERIAL AND BATTERY - A battery packaging material | 12-04-2014 |
20140377599 | SEALED SECONDARY BATTERY - An electrode group formed by winding a positive electrode plate and a negative electrode plate with a separator interposed therebetween is housed in a battery case, and a sealing plate seals an opening of the battery case. The sealing plate includes an upper metal plate, a valve, and a lower metal plate that are stacked, an insulating plate is placed on a portion of the electrode group near the opening of the battery case, one of the positive electrode plate or the negative electrode plate of the electrode group is connected to the lower metal plate through a lead, the lower metal plate and the insulating plate have a first opening and a second opening, respectively, and a ratio of S2/S1 is within the range of 1.8-3.3, where S1 represents an area of the first opening, and S2 represents an area of the second opening. | 12-25-2014 |
20150010793 | CYLINDRICAL LITHIUM-ION CELL - A cylindrical lithium ion battery in which an electrode group formed by winding a positive electrode and a negative electrode is housed in a battery case is disclosed. A sealing plate seals an opening of the battery case. An insulating plate having a plurality of openings is provided on a side of the electrode group closer to the sealing plate. The plurality of openings include a first hole with a largest opening area, and a plurality of second holes with opening areas smaller than the opening area of the first hole. An opening ratio of the first hole is 12% or more and 40% or less; a sum of opening ratios of the second holes is 0.3% or more and 10% or less; and a total opening ratio of all the openings is 20% or more and 50% or less. | 01-08-2015 |
20150030892 | VENT ADAPTER FOR LEAD-ACID BATTERY SYSTEMS - A vent adapter for a lead-acid battery includes a first side configured to mate with a vent port of the lead-acid battery via a first connector having a first geometry; and a second side in fluid communication with the first side and configured to mate with a vent passage of an automobile via a second connector having a second geometry, wherein the first and second geometries have respective shapes that are different from one another. | 01-29-2015 |
20150037626 | POUCH FRAME WITH INTEGRAL CIRCUITRY FOR BATTERY MODULE - A battery cell assembly for use in a battery module including a battery cell that includes a positive electrode and a negative electrode and a rigid frame coupled to the battery cell. The rigid frame includes a first frame connector and a second frame connector. The frame is configured to facilitate electrical coupling of the positive electrode of the battery cell with the first frame connector, and to facilitate electrical coupling of the negative electrode of the battery cell with the second frame connector. The first and second frame connectors are configured to interface with frame connectors of other battery cell assemblies to facilitate physical and electrical connection of a plurality of battery cell assemblies disposed in a stacked orientation relative to each other. | 02-05-2015 |
20150072183 | BATTERY CONTAINER COMPRISING A MEANS FOR NEUTRALISING HYDROFLUORIC ACID VAPOURS - A battery container comprising an outer casing surrounding a housing intended to receive at least one electric energy accumulator comprising Lithium hexafluorophosphate, the container comprising a filter comprising a silicon oxide-based material capable of filtering hydrofluoric acid vapours. The filter including an inner casing disposed between the outer casing and the housing of the container, the outer casing comprising an inner face against which the inner casing is secured, and the inner casing completely surrounds the housing. | 03-12-2015 |
20150079426 | LITHIUM ION BATTERY HAVING DESIRABLE SAFETY PERFORMANCE - Provided is a lithium ion battery including a battery can, a battery core received in the battery can, electrolyte filled in the battery can, and a battery cover assembled to the battery can. The battery can or the battery cover is provided with a pressure relief valve, and the pressure relief valve is coupled with a mesh cover defining a number of through holes therein. According to the present invention, when thermal runaway occurs to the lithium ion battery, the pressure relief valve breaks timely. Only gases and electrolyte vapor can pass through the mesh cover. Solid particles cannot pass through the mesh cover. Therefore, ignition of the flammable gases, the electrolyte vapor and the high temperature solid particles in the surrounding air afar from the pressure relief valve is avoided and the safety performance of the lithium ion battery can be improved remarkably. | 03-19-2015 |
20150086816 | RECHARGEABLE BATTERY AND MODULE THEREOF - A rechargeable battery includes an electrode assembly that performs charging and discharging operations, a case that accommodates the electrode assembly therein, a cap plate coupled to the case, an electrode terminal connected to the electrode assembly and mounted in a terminal hole of the cap plate, and an insulation member that coats the case. The insulation member has a protruding portion that protrudes from an external circumference of the cap plate along a surface of the cap plate. The protruding portion has an exhaust groove on at least one side thereof. | 03-26-2015 |
20150099146 | SECONDARY BATTERY MODULE HAVING THROUGH TYPE COOL CHANNEL - Provided is a secondary battery module having a through type cool channel for preventing contaminated air generated from a pouch type cell from being introduced into a vehicle, and more particularly, a secondary battery module having a through type cool channel capable of preventing contaminated air generated from battery cells from being introduced into a vehicle and easily cooling heat generated from the battery cells, by sealing an electrode assembly, in which a plurality of battery cells are stacked, by a case, forming a separate gas discharge pipe in the case to discharge the gases to a designated place, and coupling both ends of a partition tube having a cool channel formed therein to contact the battery cells and communicate with an outside of the case. | 04-09-2015 |
20150099147 | BATTERY CELL INCLUDING POUCH-TYPE CELL AND TRANSFORMED TO PRISMATIC SHAPE - Disclosed herein is a prismatic battery cell including a pouch-shaped battery cell having an electrode assembly mounted in a pouch-shaped battery case, a cell case, in which the pouch-shaped battery cell is mounted, the cell case having a polyhedral shape, and a terminal case including external input and output terminals, to which electrode terminals of the pouch-shaped battery cell are coupled, the terminal case being coupled to one end of the cell case, the terminal case having a polyhedral shape. | 04-09-2015 |
20150132617 | SEALED BATTERY WITH LIQUID CRYSTAL DISPLAY - A battery is disclosed that includes a sealed case. A plurality of cells are positioned in the sealed case. A controller is connected with and powered by the cells. A display is connected with the controller and mounted on the case. The controller is configured to monitor at least one state of the battery, wherein the at least one state comprises a voltage level state of the battery. The controller is configured to display the voltage level state on the display. | 05-14-2015 |
20150132618 | BATTERY MODULE - A battery module, which can improve safety against overcharge and puncture on a module basis. The battery module includes a plurality of battery cells arranged in a row, each of the plurality of battery cells including terminals and a safety vent, a plurality of bus bars connecting the plurality of battery cells, a duct mechanically coupled to the plurality of battery cells to seal the safety vent, an extension plate electrically connected to a first battery cell among the plurality of battery cells and extending toward the duct, and a short-circuit plate electrically connected to a second terminal of a second battery cell among the plurality of battery cells and extending toward the duct, wherein the duct is electrically connected to the extension plate and is spaced apart from the short-circuit plate. | 05-14-2015 |
20150132619 | SAFETY CAP ASSEMBLY OF POWER BATTERY - A safety cap assembly of power battery comprises a cap plate and a first terminal unit, a second terminal unit, a vent, an electrolyte-injection hole and a safety reverse valve provided to the cap plate; the first terminal unit is electrically connected to the cap plate; the second terminal unit is insulated from and assembled to the cap plate; the safety reverse valve is electrically connected to the cap plate; a short circuit protection conducting plate is provided above the cap plate, is electrically connected to the second terminal unit, and is positioned above the safety reverse valve; the first terminal unit comprises a first terminal body, and a metal gasket and a resistance plate around the first terminal body, the resistance plate is provided below the metal gasket and comprises a substrate and a coating on a surface of the substrate. | 05-14-2015 |
20150140368 | SEALED BATTERY - A sealed battery includes an electrode body; a battery case housing the electrode body and having an open surface; a lid member closing the case; a liquid inlet formed penetrating through the lid member; and a sealing member. The sealing member has: a metal sealing plate welded to the lid member to cover and seal the liquid inlet; and an annular movable portion displaceable between a contact position contacting the entire circumference of the inlet and a non-contact position not contacting at least a portion of the inlet. The movable portion is displaced to the non-contact position when the pressure of the inside region of the battery case sealed by the movable portion in the contact position is increased beyond a limit value with respect to the pressure of the outside region opposite from the inside region with respect to the movable portion. | 05-21-2015 |
20150140369 | BATTERY MODULE - The case housing a plurality of cells is divided, by a circuit board provided at the same sides of the cells, into a housing space housing the cells and an exhaust duct for releasing a gas from the vents of the cells to outside the case. The vents of the cells communicate with the exhaust duct through openings formed in the flat plate. The exhaust duct is divided into a first space and a second space by a partition provided between the flat plate and an external plate of the case. The first space communicates with the second space through holes formed in the partition. | 05-21-2015 |
20150140370 | PRISMATIC SECONDARY BATTERY - A prismatic secondary battery | 05-21-2015 |
20150147605 | SECONDARY BATTERY - A secondary battery includes a case, a cap plate, and a vent portion. The case accommodates an electrode assembly therein and has an open top. The cap plate seals the top of the case. The vent portion is at one area of the cap plate. A porous safety member is at a position adjacent to the vent portion. | 05-28-2015 |
20150147606 | SEALING PLATE FOR PRISMATIC SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND PRISMATIC SECONDARY BATTERY USING THE SAME - A sealing plate for a prismatic secondary battery includes a pair of mouths for attaching a negative and positive electrode terminals, one mouth being formed near one end in a longitudinal direction of the sealing plate, and the other mouth being formed near the other end, coining areas used for positioning of an insulating member and formed around the pair of mouths on a front face of the sealing plate, a gas release valve and an electrolyte pour hole formed between the pair of mouths, and grooves formed between the respective coining areas and the long side edge of the sealing plate. The groove has a smaller depth near the gas release valve than the depth near the coining area. Even when the sealing plate is produced through forging, the front face has good flatness and the coining areas are unlikely to have a sink mark or a shear drop. | 05-28-2015 |
20150303420 | TEMPERATURE REGULATION STRUCTURE - In a temperature regulation structure according to the invention, the power storage element includes a power generation element for charging and discharging, and has a case body having an opening portion for incorporating the power generation element, and a lid that closes up the opening portion of the case body. Air for temperature regulation that comes into contact with the power storage element is supplied from a direction substantially perpendicular to a bottom face of the case body, which is opposed to the lid across the power generation element. The temperature of the power storage element can be efficiently regulated by bringing the air for temperature regulation into contact with the bottom face of the case body. | 10-22-2015 |
20150303525 | Liquid Metal Alloy Energy Storage Device - An energy storage device configured to exchange energy with an external device includes a container having walls, a lid covering the container and having a safety pressure valve, a negative electrode disposed away from the walls of the container, a positive electrode in contact with at least a portion of the walls of the container, and an electrolyte contacting the negative electrode and the positive electrode at respective electrode/electrolyte interfaces. The negative electrode, the positive electrode and the electrolyte include separate liquid materials within the container at an operating temperature of the battery. | 10-22-2015 |
20150318533 | BATTERY - A battery capable of improving the energy density and improving the battery characteristics such as cycle characteristics and high temperature storage characteristics. A cathode and an anode are oppositely arranged with a separator in between. The open circuit voltage in full charge is in the range from 4.25 V to 6.00 V. The separator has a base material layer and a surface layer. The surface layer opposed to the cathode is formed from at least one from the group consisting of polyvinylidene fluoride, polytetrafluoroethylene, polypropylene, and aramid. | 11-05-2015 |
20150325380 | HYDROGEN-RELEASING FILM - The purpose of the present invention is to provide a hydrogen-releasing film and a hydrogen-releasing laminated film which are less susceptible to embrittling at an ambient operating temperature of an electrochemical element. This hydrogen-releasing film comprises a Pd—Ag alloy and is characterized in that the content of Ag in the Pd—Ag alloy is 20 mol % or higher. | 11-12-2015 |
20150325824 | BATTERY BLOCK, BATTERY MODULE, AND BATTERY BLOCK HOLDER - Battery block includes: a plurality of cells having a cylindrical outer shape; a case that is used for arranging cells in a predetermined arrangement by aligning the positive electrodes of cells on one side and aligning the negative electrodes thereof on the other side, is open on the one side and the other side, and holds cells along the outer periphery in the longitudinal direction of cells; positive-side collection portion that is disposed in the opening on the one side of case and interconnects the positive electrodes of cells to collect power; negative-side collection portion that is disposed in the opening on the other side of case and interconnects the negative electrodes of cells to collect power; and two holders that are disposed so as to fit to opposite surfaces of the outer shape of case, respectively, and are made of an insulator. | 11-12-2015 |
20150349304 | ASSEMBLED BATTERY - The present specification discloses a technology for protecting a portion where corrosion may occur in the assembled battery. An assembled battery includes a plurality of battery packs. Each of the battery packs includes a housing with an opening at a top thereof, a cover plate, and a relief valve. The cover plate is welded at the opening which seals the housing. The relief valve is provided on the cover plate. The assembled battery hardier includes an exhaust cover and an insulating sheet. The exhaust cover covers the relief valve of each of the battery packs, and guides, toward the outside of the assembled battery, an internal gas that comes out of the relief valves. The insulating sheet may cover a portion of a welded line between the housing and the cover plate of each battery pack, and the portion faces the exhaust cover. | 12-03-2015 |
20150364742 | SECONDARY BATTERY - A secondary battery includes an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; and a first electrode terminal electrically connected to the electrode assembly and passing through the cap plate, wherein the electrode assembly is connected to the first electrode terminal through a first current collection tab. | 12-17-2015 |
20160020452 | POUCH TYPE LITHIUM SECONDARY BATTERY HAVING TUBULAR PASSAGE STRUCTURE - Provided is a pouch type lithium secondary battery having a tubular passage structure. The pouch type lithium secondary battery having a tubular passage structure includes: a tubular passage structure having a passage of injecting an electrolyte from an outer portion of a pouch and discharging gas from an inner portion of the pouch by communicating the inner portion of the pouch with the outer portion of the pouch. | 01-21-2016 |
20160036022 | POWER SOURCE PACK - A power source pack includes: a housing; and a power source module which is housed in the housing. The power source module includes: a cell stack including a plurality of energy storage devices each having a safety valve; and a heat insulator positioned between an inner wall of the housing and the cell stack and having an approximately flat-plate shape. The heat insulator faces the safety valves of the cell stack in an opposed manner. | 02-04-2016 |
20160036023 | MANIFOLD VENT CHANNEL FOR A BATTERY MODULE - The present disclosure includes a battery module having a housing that includes a lid and a battery cell with a battery cell terminal and a battery cell vent on an end of the battery cell. The battery cell vent is configured to exhaust battery cell effluent. The battery module includes a printed circuit board positioned in an immediate vent direction of the battery cell, a vent shield channel positioned between the battery cell vent and the printed circuit board along the immediate vent direction of battery cell effluent, where the vent shield plate is immediately adjacent to the printed circuit board and configured to block the effluent from contacting the printed circuit board and to redirect the battery cell effluent along a desired vent path, and a module vent fluidly coupled to the desired vent path and configured to direct the battery cell effluent out of the battery module. | 02-04-2016 |
20160036033 | OVERCHARGE PROTECTION ASSEMBLY FOR A BATTERY MODULE - The present disclosure includes a lithium-ion battery module that has a housing and a plurality of lithium-ion battery cells disposed in the housing. Each of the plurality of lithium-ion battery cells includes a first terminal with a first polarity, a second terminal with a second polarity opposite to the first polarity, an overcharge protection assembly, and a casing electrically coupled to the first terminal such that the casing has the first polarity, where the casing has an electrically conductive material. The lithium-ion battery module also includes a vent of the overcharge protection assembly electrically coupled to the casing and a conductive component of the overcharge protection assembly electrically coupled to the second terminal, and the vent is configured to contact the conductive component to cause a short circuit and to vent a gas from the casing into the housing when a pressure in the casing reaches a threshold value. | 02-04-2016 |
20160043367 | RECHARGEABLE BATTERY - One aspect of the present invention provides a rechargeable battery that is capable of preventing a vent from being oxidized by preserving a plating layer of a surface of a vent. | 02-11-2016 |
20160087318 | RECHARGEABLE BATTERY HAVING HEAT-RESISTANT INSULATING LAYER - A rechargeable battery includes an electrode assembly including a positive electrode and a negative electrode, a case for accommodating the electrode assembly, a cap plate combined to the case, a vent plate disposed under the cap plate and formed with a notch, a middle plate disposed under the vent plate, and a heat-resistant insulating layer disposed between the vent plate and the middle plate. | 03-24-2016 |
20160099440 | RECHARGEABLE BATTERY - An aspect of an exemplary embodiment of the present invention is directed toward a rechargeable battery for reducing the number of parts for electrically insulating an electrode assembly from a case as well as enabling sizes of the parts to be easily controlled. | 04-07-2016 |
20160118632 | SEALING PLATE FOR PRISMATIC SECONDARY BATTERY AND PRISMATIC SECONDARY BATTERY USING THE SEALING PLATE - A prismatic secondary battery includes a prismatic hollow outer body having a mouth and a bottom; a flat electrode assembly, a positive electrode collector, a negative electrode collector, and an electrolyte, all of which are stored in the prismatic outer body; a sealing plate sealing up the mouth of the prismatic outer body; and a positive electrode terminal attached to the sealing plate in an electrically insulated manner. The sealing plate includes a gas release valve and an electrolyte pour hole and further includes, on the front face, a concaved flat face having an identification code. With the prismatic secondary battery of the invention, a jig for assembly or the like is unlikely to come into contact with the identification code during an assembly process of the prismatic secondary battery, hence the identification code is unlikely to be abraded, and the traceability is unlikely to be lost. | 04-28-2016 |
20160133914 | BATTERY INCLUDING GAS DISCHARGING MEMBER AND ELECTROLYTE INJECTION MEMBER - Disclosed herein is a battery including a cell having an electrode laminate and a liquid electrolyte mounted in an internal space of a battery case, a gas discharging member communicating with the internal space of the battery case for discharging gas generated in the cell out of the cell, and a liquid electrolyte injection member communicating with the internal space of the battery case for injecting a liquid electrolyte into internal space of the battery case. | 05-12-2016 |
20160141572 | LIQUID TRAP FOR A LITHIUM ION BATTERY SYSTEM - A lithium ion battery system includes a liquid trap system configured to collect liquid from a vent pathway associated with a lithium ion battery module. The vent pathway is configured to flow battery cell effluent away from the lithium ion battery module and out of the lithium ion battery system. The liquid trap system has a liquid removal path configured to fluidly couple to the vent pathway, a liquid collection vessel fluidly coupled to the liquid removal path and configured to collect liquid removed from the vent pathway, and a liquid outlet path of the liquid collection vessel configured to allow liquid to exit the liquid collection vessel. The liquid collection vessel has a position relative to the vent pathway that allows liquid within the vent pathway to move toward the liquid collection vessel by the force of gravity. | 05-19-2016 |
20160141573 | BATTERY PACK - Battery pack includes the following elements: large number of battery cells; lower holding member provided to hold the lower parts of large number of battery cells aligned by battery holding parts, and having lower openings for exposing the negative electrode terminal side of the battery cells; a positive electrode current collecting plate and a negative electrode current collecting plate connected to the corresponding terminals of the battery cells; and holder formed of upper holding member and lower holding member. In holder, upper gas channel for guiding the gas jetted from battery cells to the front side is formed. Inside holder, lower gas channel is formed on the periphery of the large number of battery cells. In holder, exhaust port is formed. In upper holding member, a communication hole for allowing communication between upper gas channel and lower gas channel is formed. | 05-19-2016 |
20160149178 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery, when using an aqueous binder as a binder for a negative electrode active material, effectively exhausts the gas generated from an electrode, and thus, even when using it for a long period of time, a decrease in battery capacity is low. The non-aqueous electrolyte secondary battery includes a positive electrode active material layer on a surface of a positive electrode current collector, a negative electrode active material layer comprising an aqueous binder on a surface of a negative electrode current collector, a separator for maintaining an electrolytic solution, and a gas releasing means for releasing a gas generated within the power generating element to an extra space inside of the outer casing, and in which the ratio value of a volume f the extra space to a volume of pores included in the power generating element is 0.5 to 1.0. | 05-26-2016 |
20160156007 | LITHIUM SECONDARY BATTERY INCLUDING GAS PERMEABLE MEMBRANE | 06-02-2016 |
20160380248 | ENERGY STORAGE CONTAINER WITH VORTEX SEPARATOR - A vortex separator includes: a housing having a cylindrical chamber therein; an inlet through a mantle of the cylindrical chamber, the inlet positioned at a proximal end of the housing; a pipe that enters the housing at the proximal end and extends axially through the cylindrical chamber toward a distal end of the housing which is closed; an outlet through the mantle, the outlet positioned at the distal end; and a catch basin at the outlet. | 12-29-2016 |
20170237055 | BATTERY MODULE | 08-17-2017 |
20180026294 | BATTERY CELL, BATTERY MODULE AND PRODUCTION METHOD | 01-25-2018 |
20220140432 | EXPLOSION-PROOF VALVE, BATTERY PACK, AND APPARATUS - Embodiments of this application provide an explosion-proof valve, a battery pack, and an apparatus. The explosion-proof valve includes a flame arresting member and an air permeable membrane. The flame arresting member is configured to connect to a housing of a battery pack, the air permeable membrane is fastened to the flame arresting member, and the battery pack is capable of exchanging gas with the outside through the flame arresting member and the air permeable membrane in sequence. During use of the explosion-proof valve of this application in the battery pack of this application, when thermal runaway occurs inside the housing of the battery pack, pressure inside the housing is suddenly increased, and as a result, the battery pack releases the pressure through the explosion-proof valve, and high-temperature runaway gas impacts and melts the air permeable membrane, forming a smooth air flow channel. | 05-05-2022 |