Patent application number | Description | Published |
20090029242 | BATTERY PACK - A battery pack ( | 01-29-2009 |
20090077794 | Method for producing rectangular flat secondary battery - A positive electrode plate and a negative electrode plate are spirally wound with a separator interposed therebetween to form an electrode group | 03-26-2009 |
20090081530 | Secondary battery - In a secondary battery ( | 03-26-2009 |
20090239139 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY - An electrode group | 09-24-2009 |
20100047673 | BATTERY PACK AND BATTERY-MOUNTED DEVICE - A battery pack includes a battery having a risk of releasing a gas under abnormal conditions, a case that accommodates the battery, and an oxygen reducing portion that reduces an amount of oxygen within the case. | 02-25-2010 |
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 |
20100104945 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY - In a secondary battery, a current collector plate ( | 04-29-2010 |
20100159359 | FUEL SUPPLY DEVICE - A fuel supply device includes a holder, a first connector, a second connector, and a connection pipe. The holder has an apparatus holder part on which an electronic apparatus is mounted. The first connector is provided at the apparatus holder part. The second connector is to be connected to a fuel cartridge. The connection pipe connects the first connector with the second connector. | 06-24-2010 |
20100159361 | FUEL SUPPLY DEVICE - A fuel supply device includes a holder, a first connector, a second connector, and a connection pipe. The holder has a cartridge holder part on which a fuel cartridge is to be mounted. The first connector is connected to an apparatus including a power generation section. The second connector is provided at the cartridge holder part. The connection pipe connects the first connector with the second connector. | 06-24-2010 |
20100183910 | BATTERY PACK AND BATTERY-MOUNTED DEVICE - A battery pack is provided in which battery characteristics are not degraded in normal use and, even if a cell reaches a high temperature and a high-temperature gas is released from the inside of the cell, the spread of combustion to the entire pack can be suppressed to reduce damage. The battery pack is provided with cells, a housing for accommodating the cells and a thermal expansion section capable of reducing internal clearances between the cells and the housing upon the application of heat. | 07-22-2010 |
20100247990 | BATTERY PACK - A battery pack | 09-30-2010 |
20100255359 | BATTERY PACK AND BATTERY-EQUIPPED DEVICE - The invention provides a battery pack and a battery-equipped device in which, even if a battery experiences an abnormal event to cause thermal runaway, and generates heat, temperature increase in the battery pack and batteries except for the battery which experienced the abnormal event can be prevented. For this purpose, a heat absorbing member | 10-07-2010 |
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 |
20100304199 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY - An electrode group | 12-02-2010 |
20100310927 | CURRENT COLLECTOR TERMINAL PLATE FOR SECONDARY BATTERY, SECONDARY BATTERY, AND METHOD FOR PRODUCING SECONDARY BATTERY - A current collector terminal plate comprising a plate-shaped conductive material is used. The conductive material has an expected welding portion that melts with priority. The conductive material has, for example, a bent portion forming a protrusion on one side and a depression on the other side and a flat portion, and the expected welding portion includes the bent portion. The bent portion has a pair of upstanding portions raised from the flat portion and a bent top portion extending continuously from the pair of upstanding portions. | 12-09-2010 |
20100316897 | SECONDARY BATTERY - A secondary battery has a so-called tabless structure. An electrode group ( | 12-16-2010 |
20100330404 | BATTERY HOUSING TRAY AND ASSEMBLED-BATTERY HOUSING TRAY USING THE SAME - A PTC resistor according to the present invention comprises at least one PTC composition which comprises at least one resin and at least two conductive materials. The at least two conductive materials comprises at least two conductive materials different from each other. The at least one PTC composition may comprise a first PTC composition which comprises a first resin and at least one first conductive material and a second PTC composition which is compounded with the first PTC composition and comprises a second resin and at least one second conductive material. The at least one first conductive material is at least partially different from the at least one second conductive material. One of the first resin and the second resin may comprise a reactant resin and a reactive resin which is cross-linked with the reactant resin. The PTC resistor may comprise a flame retardant agent. The PTC resistor may comprise a liquid-resistant resin. | 12-30-2010 |
20110000801 | ELECTRIC POWER EQUIPMENT, AND ELECTRONIC DEVICE AND POWER SUPPLY ELEMENT INSPECTION EQUIPMENT USING SAME - An electric power equipment has a main body case, a plurality of power supply elements provided in the main body case, and a fire-extinguishing agent discharge space disposed facing the plurality of power supply elements. The fire-extinguishing agent discharge space includes fire-extinguishing agent spray space having a plurality of fire-extinguishing agent spray holes for spraying a fire-extinguishing agent toward the plurality of power supply elements, and a fire-extinguishing agent supply space coupled to the fire-extinguishing agent spray space via a plurality of fire-extinguishing supply holes. A fire-extinguishing agent tank is coupled to the fire-extinguishing agent supply space via a shutoff valve. | 01-06-2011 |
20110005781 | POWER APPARATUS AND ELECTRONIC APPARATUS USING THE SAME - A power apparatus of the present invention includes a main body case, a plurality of power supply elements provided inside the main body case, and a fire-extinguishing agent tank facing each of the plurality of power supply elements. An opening part for sensing heat of the power supply elements and substantially opening the fire-extinguishing agent tank is provided between the power supply elements and the fire-extinguishing agent tank facing the power supply elements, thus enabling the size to be reduced. | 01-13-2011 |
20110008661 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A lithium ion secondary battery of the invention includes an electrode structure including an electrode group composed of a strip-shaped laminate or winding including a positive electrode in which a positive electrode active material layer is attached to a positive electrode current collector, a negative electrode, and a separator; a positive electrode current collector plate including aluminum foil; and a negative electrode current collector plate electrically connected to the negative electrode. The positive electrode has, at one longitudinally extending end edge of the laminate, a positive electrode current collector-exposed portion protruding beyond the negative electrode. The positive electrode current collector plate is electrically connected to the positive electrode by applying a non-corrosive flux containing a fluoride to at least one of the positive electrode current collector-exposed portion and the positive electrode current collector plate, and then welding the positive electrode current collector plate to the positive electrode current collector-exposed portion. | 01-13-2011 |
20110111285 | ASSEMBLED SEALING MEMBER AND BATTERY USING THE SAME - The present invention relates to an improvement to an assembled sealing member used for batteries. The present invention intends to reliably stop charging and discharging particularly in a battery with high capacity and high output performance, when a trouble occurs in the battery. An assembled sealing member for a battery according to one embodiment of the present invention includes: (i) a conductive cap having an external terminal; (ii) an electrically conductive film disposed so as to face a power generation element and being connected to one of electrodes included in the power generation element; (iii) an electrically conductive valving member disposed between the cap and an electrically conductive film; and (iv) a thermally expandable material disposed between the valving member and the electrically conductive film. The electrically conductive film and the valving member are bonded to each other in an electrically connected state at least one predetermined point, and when the thermally expandable material is expanded to be predetermined times larger, the bond between the electrically conductive film and the valving member ruptures to break the electrical connection between the electrically conductive film and the valving member. | 05-12-2011 |
20110123845 | BATTERY PACK, VEHICLE EQUIPPED WITH THE BATTERY PACK, AND DEVICE EQUIPPED WITH THE BATTERY PACK - A secondary battery includes a cylindrical battery case, a positive and negative electrode body group, a top plate and a battery lid connected to first and second electrode bodies of the electrode body group respectively. The secondary battery further includes a current collector placed on an end of the electrode body group on the top plate side and connected to the first electrode body of the electrode body group and a spacer placed between the top plate and the current collector. The top plate is partly formed with a thin portion. The spacer is formed with through holes in positions corresponding to the thin portion. The portion of the current collector corresponding to the thin portion is in contact with the thin portion through the through hole. The thin portion is deformed when the internal pressure of the battery case rises, thereby breaking electric connection between the top plate and the current collector. | 05-26-2011 |
20110132493 | FUEL SUPPLY ADAPTOR DEVICE AND FUEL SUPPLY DEVICE - It is a fuel supply adaptor device which connects the apparatus having a fuel injecting portion including a power generator formed of fuel cells to the fuel cartridge having a fuel supplying portion and delivers the fuel in the fuel cartridge to the power generator, comprising a second connector for making connection to the fuel injecting portion of at least one apparatus, a first connector for making connection to the fuel supplying portion of at least one fuel cartridge, a connecting pipe for connecting the first connector to the second connector, and a holder, wherein the first connector, the second connector, and the connecting pipe are held by the holder. | 06-09-2011 |
20110143199 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery includes: a positive electrode 4 including a positive electrode current collector and a positive electrode material mixture layer containing a positive electrode active material and a binder and provided on the positive electrode current collector; a negative electrode 5; a porous insulating layer 6 interposed between the positive electrode 4 and the negative electrode 5; and a nonaqueous electrolyte. The positive electrode 4 has a tensile extension percentage of 3.0% or more. The binder is made of polyvinylidene fluoride. The positive electrode current collector has a softening temperature lower than a crystalline melting point of the binder. | 06-16-2011 |
20110177366 | BATTERY PACK - A battery pack of the present invention includes: a battery assembly including a plurality of batteries having a sealed portion, the plurality of batteries being connected to each other; a terminal portion electrically connected to the battery assembly and outputting electric power; and a composite layer structure including a heat-absorbing layer and a heat-conductive layer layered on the heat-absorbing layer, the composite layer structure being arranged at least at a part of a periphery of the battery assembly. The heat-absorbing layer has a specific heat of 1,000 J/kg·° C. or more. The heat-conductive layer has a heat conductivity of 10 W/m·K or more. This configuration allows for a small, light, and highly safe battery pack that is free from battery pack damage even when a battery in the battery pack has trouble and emits a high-temperature inflammable gas to expose the inside of the battery pack to a high-temperature environment. | 07-21-2011 |
20110195284 | BATTERY MODULE AND BATTERY MODULE ASSEMBLY USING SAME - The battery module includes a plurality of battery units, a housing, a wiring board, and a lid. The battery unit is composed of one or more battery cells each having a vent mechanism. At least one surface of the housing is an open end. The housing has a plurality of storage parts partitioned by one or more partition walls. Each battery unit is stored in each storage part. The wiring board covers the open end of the housing, is disposed at the vent mechanism side of the cell, and has connection terminals connected to the battery units. The lid covers the open end of the housing and the wiring board, and has an open part. Through holes are provided on the wiring board in positions facing the battery units and in a different region from that of the connection terminals. | 08-11-2011 |