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| Number | Title | Issue Date |
| 7754378 | Secondary battery with a sealing plate used to seal an electrolyte injection hole in a cap plate In a secondary battery having an electrolyte injection hole having improved sealing structure to improve the safety of the can-type secondary battery and to prevent the electrolyte from leaking, the electrolyte injection hole is sealed by welding the sealing plate o... | 07/13/2010 |
| 7563536 | Prismatic sealed secondary battery having a case made of metal materials and method for manufacturing the same This invention aims to provide a prismatic sealed secondary battery which is capable of ensuring a high battery capacity and suppressing the case swelling and which achieves high quality in appearance at low cost, and the method for manufacturing the same. To achiev... | 07/21/2009 |
| 7348099 | Nonaqueous secondary electrolytic battery A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating... | 03/25/2008 |
| 7285334 | Material for packaging cell, bag for packaging cell, and its production method A lithium battery comprises a pouch (4) and a lithium battery module (2) packaged in the pouch (4). The pouch (4) is formed from a battery packaging laminated structure (10). The laminated structure (10) has an outermost lay... | 10/23/2007 |
| 7267904 | Nonaqueous secondary electrolytic battery A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating... | 09/11/2007 |
| 7223496 | Electrochemical element An electrochemical element having a metal case for accommodating an element unit in which a positive electrode and a negative electrode are disposed to face each other with a separator between them, and an electrolyte; a sealing body for sealing an opening of the me... | 05/29/2007 |
| 7215532 | Method and machine for manufacturing energy accumulating components, and components made thereby A method for manufacturing electrical components of the energy-accumulating electrostatic or electrochemical type, consisting in winding at least two layers of a film on a support made of an electrically nonconducting material that has a substantially polygonal cros... | 05/08/2007 |
| 7193276 | Semiconductor devices with a source/drain regions formed on a recessed portion of an isolation layer Semiconductor devices and methods of fabricating semiconductor devices that include a substrate and a device isolation layer in the substrate that defines an active region of the substrate are provided. The device isolation layer has a vertically protruding portion ... | 03/20/2007 |
| 7186477 | Header for rechargeable lithium batteries A header for rechargeable lithium batteries, which incorporates a riveted disconnect mechanism. The header is especially useful for rechargeable lithium batteries for high power applications. ... | 03/06/2007 |
| 7169507 | Manganese dry battery A manganese dry battery with excellent leak-proof property is provided, in which electrolyte leakage does not occur even if the size of a positive electrode material mixture is increased to meet a demand for improvement in discharge property. In a sealing part, a fi... | 01/30/2007 |
| 7144656 | Alkaline battery sealing gasket and sealed alkaline battery An alkaline battery sealing gasket 33 made of a resin, comprises a peripheral packing portion 36 sandwiched in a pressed state between an opening end of a metal battery can 11 that contains an electricity generating element 20 and doubles... | 12/05/2006 |
| 7141332 | Lightweight prismatic packaging structure for electrochemical devices and assembly method of the same The present invention pertains to lightweight, hard and leakproof prismatic packaging structures for electrochemical devices and economical method of assembly and hermetic sealing of said structures by plastic layers attached to their metal walls. Metal welding is a... | 11/28/2006 |
| 7122276 | Pouch type secondary battery with safety vent A pouch type secondary battery has a safety vent which prevents explosion and fire by removing a sealing mechanism of a pouch casing when the internal temperature increases due to overcharging, overdischarging or over-heating, and which exhausts internal gas before ... | 10/17/2006 |
| 7122270 | Electrochemical cell having venting current collector and seal assembly A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a closed bottom end and an open top end, positive and negative electrodes ... | 10/17/2006 |
| 7097928 | Battery and method of making a battery A battery includes a can having a rectangular or triangular cross section, the can having a closed end and an open end, a cathode in the can, an anode in the can, a separator between the cathode and the anode, and a seal assembly attached to the open end of the can.... | 08/29/2006 |
| 7090944 | Alkaline dry cell The present invention discloses an alkaline dry cell containing a cathode and an anode, a separator and an electrolyte solution that are housed inside an external can, and a resin sealing member and a supporting member for supporting the sealing member with an inner... | 08/15/2006 |
| 7041380 | Packaging material for battery Disclosed is a packaging material for forming an armor body for a battery, the armor body being adapted for use in such a manner that a battery body is inserted into the armor body and the peripheral edge of the armor body is then heat sealed for hermetic sealing, t... | 05/09/2006 |
| 6908026 | Method and apparatus for making a lid with an optically transmissive window A metal plate (126) has a plurality of openings (127) extending through it, and is cleaned using a wet hydrogen process (157). Glass windows (106) are then placed in the openings, and are each fused to the metal plate by heat (231)... | 06/21/2005 |
| 6877216 | Heat-sealing machine, heat-sealing method, embossing method, work pressing machine and workpiece A polymer battery module (2) provided with tabs (4) is put in a package (5) and an open end part of the package (5) is heat-sealed by a heat-sealing machine (10). The heat-sealing machine (10) is provided with a pair of seal... | 04/12/2005 |
| 6864014 | Connecting structure of conductive connecting tab of battery The present invention provides a conductive connecting structure exhibiting satisfactory connecting performance to connect a conductive connecting tab being mounted on a battery element to a battery case, said conductive connecting table of the battery is connected ... | 03/08/2005 |
| 6858342 | Electrolyte solution filling method and battery structure of lithium secondary battery Provided are a method for filling an electrolyte solution and a battery structure of a lithium secondary battery comprising an internal electrode body formed by winding a positive electrode, and a negative electrode, with a separator sandwiched therebetween around t... | 02/22/2005 |
| 6855454 | Electrochemical cell having venting current collector and seal assembly A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a closed bottom end and an open top end, positive and negative electrodes ... | 02/15/2005 |
| 6830847 | Zinc/air cell A zinc/air button cell comprising a cathode casing and an anode casing wherein the anode casing is inserted into the cathode casing. The anode casing is formed of multiclad metal layers, for example nickel/stainless steel/copper. A protective metal is plated onto th... | 12/14/2004 |
| 6824917 | Battery system for a portable electronic device A battery system for a portable electronic device includes a thin wall can structure for holding cathode and anode material and electrolyte defining a battery cell. Current is limited by a safety component integral with a cap assembly that seals the can structure an... | 11/30/2004 |
| 6761995 | Coin-shaped battery A coin-shaped battery includes a cathode case (1) having a crimp portion (14) in the periphery of a bottom face (1a), and an anode cap (2) having a flange (6) with an extended portion (7) and a turn-up portion (8 | 07/13/2004 |
| 6761994 | Packaging material for polymer cell and process for producing the same A polymer battery module packaging material is a packaging laminated structure (10) including a base layer (11), a first adhesive resin layer (17b), a first chemically converted layer (16b), an aluminum layer (12), a ... | 07/13/2004 |
| 6716550 | Sealing membrane electrode assemblies for electrochemical fuel cells An elastomer may be used to construct a separate, moldable part that engages the edge a membrane electrode assembly (MEA) to thereby seal the MEA. The seal has a groove defining two sealing portions separated by a web portion. The groove of the seal then engages the... | 04/06/2004 |
| 6627348 | Method for producing rectangular cell A method for manufacturing a rectangular cell is provided in which a rectangular case containing a power generating element is hermetically sealed by laser welding a sealing plate to an open end of the rectangular case. A sealing plate 2 formed into the s... | 09/30/2003 |
| 6610437 | Closure assembly for sealed batteries A closure assembly for sealed batteries in which explosion-proof features are incorporated. A metal plate having a hole, an insulating resin sheet, a metal thin sheet, an insulating sheet having an air hole, a metal guide plate having a hole, and a metal ... | 08/26/2003 |
| 6602629 | Zero mercury air cell An improved button air cell is provided that contains zero mercury, is free of indium on the sealing surface of the anode cup and has an active material comprising zinc alloyed with lead. Also provided is a method of forming a button electrochemical cell ... | 08/05/2003 |
| 6468691 | Electrochemical cell with improved gasket and seal Disclosed is an electrochemical cell using a gasket with projections on both surfaces of an upstanding wall. When used as a seal member between two parts of the housing of an electrochemical cell, a plurality of high compressive stress areas is formed in ... | 10/22/2002 |
| 6468692 | Lithium secondary battery with sealed casing members A lithium secondary battery contains an electrode body obtained by winding a positive electrode and a negative electrode via a separator, a non-aqueous electrolytic solution, and a battery case accommodating the electrode body and the non-aqueous electrol... | 10/22/2002 |
| 6447949 | Battery having electrolyte injecting plug An electrolyte injecting metallic plug laser-welded to an outer edge of an electrolyte injecting port on a periphery of a battery case. At least a part of the electrolyte injecting metallic plug is inserted into the electrolyte injecting port.... | 09/10/2002 |
| 6444348 | Battery sealing plate coated with protective film and battery sealed with the same A closing plate for a battery comprises a metal substrate provided with a safety valve at a peripheral portion thereof. The safety valve is protected by applying a protection film to the metal substrate of the closing plate. The closing plate comprises a ... | 09/03/2002 |
| 6436571 | Bottom seals in air depolarized electrochemical cells An elongate, generally tubular, air depolarized electrochemical cell (10) comprising a cathode (14), including an air cathode assembly (26), extending about the tubular circumference, and along the tubular length, of the cell (10), an anode (12), a separa... | 08/20/2002 |
| 6426867 | Protection device having tapered ribs and method of assembling a battery with a protection device and an electrical component A protection device for an electrical component that has a protective housing and a terminal cap. The protective housing has a base with a contact hole therethrough for accommodating an electrical terminal pin. A projecting perimeter wall extends from the... | 07/30/2002 |
| 6410186 | Battery construction having double seam cover closure An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte, the can having an open end and a closed end; a pressure rel... | 06/25/2002 |
| 6399241 | Nonaqueous electrolyte battery It is an object to quickly disperse heat generated when short circuit occurs between a positive electrode and a negative electrode. A nonaqueous-electrolyte battery is disclosed which incorporates: an encapsulating medium constituted by a laminated film i... | 06/04/2002 |
| 6317335 | Stiffened protection device for protecting an electrical component A protection device and a method for protecting an electrical component. The protection device has a protective housing and a terminal cap. The protective housing has a base with a contact hole therethrough for receiving an electrical terminal pin, and ha... | 11/13/2001 |
| 6312850 | Current collector and seal assembly for electrochemical cell A current collector and seal assembly for use in an electrochemical cell is provided. An electrochemical cell comprises a container generally having a closed bottom end, an open top end, and side walls extending between the top and bottom ends. Electroche... | 11/06/2001 |
