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| Number | Title | Issue Date |
| 8053105 | Lithium-ion secondary battery The present invention provides a lithium-ion secondary battery which can suppress internal resistance to a small value. The lithium-ion secondary battery includes a winding group obtained by winding a positive electrode plate and a negative electrode plate via a sep... | 11/08/2011 |
| 7972720 | Method of electric coupling of a connection to a current output In the production of a secondary electrochemical generator comprising a container with a casing (3) and a cover (4), the stage of electric coupling of a connection to a current output is designed so that the length of the connection does not allow it t... | 07/05/2011 |
| 7968227 | Can-type rechargeable battery having connection structure for protection circuit A can-type rechargeable battery includes a connection portion for coupling a protection circuit to a can-type bare cell and a lead plate for coupling the connection portion to the can. At least one protrusion is disposed at a connection portion outside the can and a... | 06/28/2011 |
| 7923144 | Tunable frangible battery pack system A tunable frangible battery pack system for use in an electric vehicle is disclosed. The tunable frangible battery pack system includes a two piece clamshell housing. The system also includes a plurality of battery cells arranged within the housing and a collector p... | 04/12/2011 |
| 7807293 | Battery pack and motor-driven tool using the same A battery pack (10) includes a housing (11), a group of cells (12), a board (13), a plurality of second terminals (14), and a cover (15). An opening (16c) is formed in the housing (11). The board (13 | 10/05/2010 |
| 7662511 | Secondary battery having an enlarged electrolytic solution inlet A secondary battery includes an electrode unit having a first electrode plate, a second electrode plate, a separator interposed therebetween, and first and second electrode tabs respectively extending from the first and second electrode plates, a can adapted to acco... | 02/16/2010 |
| 7501202 | Lithium secondary cell and assembly thereof A lithium secondary cell includes an internal electrode body having a positive electrode plate and a negative electrode plate wound and laminated around an external peripheral wall of a hollow cylindrical winding core. The inside of the internal electrode body is im... | 03/10/2009 |
| 7427453 | Pouched lithium secondary battery A pouched lithium secondary battery including a battery unit having a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate; a positive electrode tab electrically connecte... | 09/23/2008 |
| 7416811 | Electric storage battery construction and method of manufacture An electric storage battery and method of manufacture thereof. Active material (78) is removed from both sides of the outer end (88) of the negative electrode (70) in a jellyroll (84) to allow room for adhesive tape (96) to secure ... | 08/26/2008 |
| 7351497 | Reducing battery terminal contact resistance stemming from insulating contaminant layer on same A battery arrangement that minimize battery-to-battery and battery-to-device contact resistance by rupturing or removing an insulating contaminant layer on portions of battery terminals that contact each other or that contact contacts in a battery compartment. Gener... | 04/01/2008 |
| 7294430 | Battery having a wound electrode element In a battery having a wound electrode element which is made contact with by means of a pin, a contact connection is fitted on the outer face and is electrically connected to the pin which is arranged in the housing. The connection between the pin and the contact con... | 11/13/2007 |
| 7252558 | Portable power supply The present invention includes a portable power supply having a housing that encloses a battery. Booster cables protrude from the housing and are electrically connected to the battery. Electrical clamps are attached to the booster cables and may connect to electrica... | 08/07/2007 |
| 7220013 | Rechargeable flashlight and battery assembly for single-handed intermittent and continuous operation A flashlight has a head assembly with a charging member extending laterally to an external charging contact and a barrel slidably housing a battery assembly. A tail assembly having a slidable actuating member is positioned in abutment with the battery assembly. A co... | 05/22/2007 |
| 7147962 | Lithium secondary battery and manufacturing method thereof A lithium secondary battery comprises an internal electrode body formed by winding a positive electrode and a negative electrode on an outer peripheral wall of a hollow winding core, nonaqueous electrolyte solution contained in the case, a cylindrical battery case c... | 12/12/2006 |
| 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 |
| 7014950 | Lead outlet structure of secondary battery in sheet type The present invention is a lead outlet structure of a secondary battery in sheet type, which comprises; an internal electrode pair in sheet type which is obtained by stacking alternately sheets of cathode electrode and sheets of anode electrode with separator betwee... | 03/21/2006 |
| 6986969 | Alkaline cell with flat housing and improved current collector An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 01/17/2006 |
| 6908705 | Thin-walled battery for portable electronic equipment The present invention provides a thin battery, comprising a metal case, a battery core formed by laminating and wrapping an anode, a septum and a cathode, an anode conductive terminal and a cathode conductive terminal, characterized in that: said metal case is made ... | 06/21/2005 |
| 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 |
| 6844110 | Lithium secondary cell and assembly thereof To provide a lithium secondary cell, which is excellent in productivity since a cell structure is simple and easy for assembly. Provided is a lithium secondary cell having: an internal electrode body including a positive electrode plate, a negative electrode plate, ... | 01/18/2005 |
| 6833010 | Prismatic battery module and method for manufacturing the same A prismatic battery module employs a prismatic battery case having a single space formed by connecting a plurality of prismatic cell cases in series. Collectors are connected to the lead portions on both sides of the electrode plate group, and adjacent collectors of... | 12/21/2004 |
| 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 |
| 6743535 | Structure for preventing reverse insertion of a storage battery A storage battery includes a housing, a groove portion formed on one end surface of the housing, a pair of electrode terminals formed on one end surface of the groove portion, and an engaging concave portion formed in the vicinity of the other end surface on the upp... | 06/01/2004 |
| 6696198 | Flat battery The instant specification discloses a flat battery constituted by sealing a power generation element with: a case that works as one electrode terminal; a sealing plate that works as the other electrode terminal and has a flat central section projected out... | 02/24/2004 |
| 6569565 | Method of connecting plates of an electrode to a terminal of a storage cell, and the resulting cell A method is disclosed in which the plates 2 of an electrode 1 are connected to a terminal 3 of a storage cell by clamping the plates 2 between the terminal 3 and a holding member such as a ring 6 or a washer 12 and then welding the plates 2 to the termina... | 05/27/2003 |
| 6475668 | Nonaqueous electrolyte battery sealed in a film case A film case forming a nonaqueous electrolyte battery of this invention is formed by a packaging film including an engineering plastic layer, at least one metallic layer laminated inside the engineering plastic layer, at least one acid resistant layer lami... | 11/05/2002 |
| 6472089 | Bottom cover design for battery with reverse protection An electrochemical cell is provided that has a negative terminal cover with a hole therein or a raised portion with notches therein to provide adequate air ingress during the coating of a non-conductive material on the raised portion of the negative termi... | 10/29/2002 |
| 6461764 | Protective case for electric parts, and storage battery pack A protective case for housing electric parts such as a storage battery (2) and a protective circuit (3). For example, the case comprises a body (1A) and a lid (1B). The body (IA) is formed integrally with a first terminal piece (4), which connects a termi... | 10/08/2002 |
| 6437239 | Protection device and method of determining exposure temperature A protection device and a method of 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 has... | 08/20/2002 |
| 6432578 | Sealed cell A sealed cell has: a cell outer can 60 having a hollow body with a bottom and an opening; a spirally-wound electrode body 40 accommodated in the above-mentioned cell outer can 60, including a positive electrode plate 20 and a negative electrode plate 30 w... | 08/13/2002 |
| 6423438 | Method for sealing battery container A method of sealing an end of a battery container is disclosed. The method includes: (a) providing a plurality of supports in a wall of the container toward the end of the container; (b) scoring the wall of the container at a position between the end of t... | 07/23/2002 |
| 6399237 | Sealed storage cell with an aluminum terminal A cylindrical high-capacity sealed storage cell having a terminal at one end which is made of aluminum, wherein: the one end includes an aluminum cover adapted to be brought into contact with an external electrical connecting part by a clamping structure ... | 06/04/2002 |
| 6391491 | Lithium secondary battery having case with simplified safety device A lithium secondary battery encased in a pouch and having a simplified and cheap safety device. In the lithium secondary battery, an aluminum terminal is bent and extends to the rear surface of the pouch, and around the front and bottom surfaces. The term... | 05/21/2002 |
| 6312852 | Battery cell cover with flexible positive post terminal An expandable, flexible connection between a battery cell case cover and a terminal is provided which compensates for expansions of plates or grids of one polarity connected to that terminal. The expandable design encompasses a flexible battery case which... | 11/06/2001 |
| 6296970 | Connector assembly for connecting battery cells A connector assembly connects a plurality of battery cells in a serial/parallel arrangement. Each battery cell includes a cover and a canister having a side and a bottom. Each battery cell is constructed such that a segment of the side of the canister for... | 10/02/2001 |
| 6258481 | Battery terminal bushing having frontal access to battery termination A battery is delineated comprising, in combination, a battery cover having a Cast on Strap (COS) post extending into an aperture located in a top surface of the battery cover; and a battery terminal bushing, integrally coupled to the battery cover, having... | 07/10/2001 |
| 6245457 | Bussing structure in an electrochemical cell A bussing structure for bussing current within an electrochemical cell. The bussing structure includes a first plate and a second plate, each having a central aperture therein. Current collection tabs, extending from an electrode stack in the electrochemi... | 06/12/2001 |
| 6143439 | End cap assembly for an electrochemical cell An end cap assembly for an electrochemical cell, for example an alkaline cell, is disclosed comprising an exposed terminal end cap of single piece construction having a convoluted surface, an electrically insulating member and a metal support disk between... | 11/07/2000 |
| 6126704 | Method of forming a terminal pip protrusion on the casing of an alkaline cell The invention is directed to a method of forming a pip protrusion at the closed end of a cylindrical casing of an electrochemical cell. The cell is preferably an alkaline cell having an anode comprising zinc, a cathode comprising manganese dioxide, and an... | 10/03/2000 |
