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| Number | Title | Issue Date |
| 7153606 | Secondary battery A secondary battery including an electrode group formed by winding a positive electrode and a negative electrode with the interposition of a separator, the positive electrode includes a belt-shaped positive electrode core and a positive electrode material mixture ca... | 12/26/2006 |
| 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 |
| 6824571 | Hydrogen absorbing alloy electrode, manufacturing method thereof, and alkaline storage battery equipped with the hydrogen absorbing alloy electrode After coating a hydrogen absorbing alloy slurry obtained by kneading a hydrogen absorbing alloy powder 12a, a polyethylene oxide (PEO) powder as a binder 12b, and a suitable amount of water (a solvent for binder) to both surfaces of a met... | 11/30/2004 |
| 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 |
| 6677079 | Electrochemical cell formed with can having inwardly curved groove An electrochemical cell is provided having a non-cylindrical container including one or more side walls each having a curved surface that curves radially inward. The electrochemical cell further includes first and second electrodes and a separator dispose... | 01/13/2004 |
| 6635382 | Lithium secondary battery and method of manufacturing the same The present invention uses a magnesium-based alloy which is excellent in mechanical workability to be formed thinner than conventional alloys. The present invention provides a lithium secondary battery comprising an electrode assembly and a non-aqueous el... | 10/21/2003 |
| 6555266 | Alkaline cell with improved casing The invention relates to electrochemical cells having a metal current collector, particularly zinc/MnO2 primary alkaline cells wherein the cathode metal current collector is the cell's steel casing. The present invention is directed to a coatin... | 04/29/2003 |
| 6521372 | Prismatic electrochemical cell and battery A battery having an array of rectangular cells with cylindrical ends housed in a rectangular battery container and a battery having a single rectangular electrochemical cell with a cylindrical end. Each cell has a rectangular section substantially housing... | 02/18/2003 |
| 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 |
| 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 |
| 6312849 | Method for producing a battery cell structure A battery cell sleeve assembly includes a continuous cylindrical thermal sleeve extending between proximal and distal ends and has a plurality of substantially unidirectional longitudinally extending elongated heat conduction fibers having a thermal condu... | 11/06/2001 |
| 6248473 | Composite cover for a battery An electrochemical cell of the present invention includes a composite cover assembly for the closed end of the cylindrical can of the electrochemical cell. The composite cover includes an electrically conductive contact terminal having a diameter substant... | 06/19/2001 |
| 6228530 | Dry cell and method of manufacturing outer metal jacket thereof Notches (21a, 21b) are formed at the corners of only one side edge (19a) of a metal jacket blank (19) of a rectangular metal strip. The blank (19) is rolled into a cylindrical shape so that its opposite sides (19a, 19b) are adjoined to each other forming ... | 05/08/2001 |
| 6165640 | Battery can-forming plate and battery can A battery can-forming plate consisting of a steel plate plated with an alloy, wherein a hardness of a plated layer formed on one surface of the steel plate is higher than that of a plated layer formed one the other surface thereof. The plated layer having... | 12/26/2000 |
| 6127064 | Jar can for secondary battery A jar can for a secondary battery is formed by deep-drawing a clad material prepared by bonding an aluminum sheet and an iron sheet to each other. A nickel layer is formed between the iron sheet and the aluminum sheet. Another nickel layer is formed on an... | 10/03/2000 |
| 6066412 | Directly printed galvanic cell The invention relates to a galvanic cell comprising an outer metallic jar which on its outside has an insulating and a decorative layer, which has been applied directly onto the metallic jar by means of a printing and/or coating process.... | 05/23/2000 |
| 5981103 | Assemblies of electronic devices and flexible containers therefor An assembly of an electronic device within a sealed chamber of a flexible container. The electronic device, which may be a printed circuit board, has signal terminals connected to elongated insulated signal conductors. These conductors pass through a lami... | 11/09/1999 |
| 5907471 | Energy storage device with electromagnetic interference shield An energy storage assembly is made of an energy storage device, and electromagnetic interference (EMI) shield, and an adhesive positioned between the EMI shield and the energy storage device for affixing the energy storage device to a surface of the EMI s... | 05/25/1999 |
| 5840441 | Battery can, sheet for forming battery can, and method for manufacturing sheet A steel plate having a plated layer on the upper and lower surfaces thereof to be processed into a battery can which is cylindrical and open in one end thereof by drawing and ironing processing. The plated steel plate has more than 1.2 as a Lankford value... | 11/24/1998 |
| 5510208 | Composite battery cell sleeve A battery cell sleeve assembly comprises first and second cylindrical sleeves contiguously joined and defining an internal recess for receiving a battery cell. The first sleeve is comprised of a plurality of substantially unidirectional longitudinally ext... | 04/23/1996 |
| 5079108 | Dry cell seal closure An improved dry cell seal closure is disclosed which will substantially prevent moisture loss from and/or oxygen ingress into a battery cell while maximizing the volume available within the cell for the cathode mix core. The seal closure comprises a seal ... | 01/07/1992 |
| 5041345 | Secondary seal for vented electrochemical cells An electrochemical cell having a temperature-activated vent in series with a pressure-activated vent. The inner cover of the inner cell housing has an upstanding rim around a central pressure release vent. The outer cover that closes the outer cell contai... | 08/20/1991 |
| 5026616 | Electroless plated plastic covers for galvanic cells A plastic leak resistant and corrosion resistant end cover and contact for a battery having an electroless plated layer of nickel, tin or an alloy of nickel and tin on the surfaces thereof so that when in place in a battery it forms a conductive path for ... | 06/25/1991 |
| 4965149 | Metal jacket and dry cell using the same An outer metal jacket for a dry cell, prepared by butting a rectangular metal plate at both side edges and joining the butted part by welding or bonding to make a cylindrical body, characterized in that a part having smaller mechanical strength is integra... | 10/23/1990 |
| 4576881 | Electrochemical storage cell Electrochemical storage cell with at least one anode space and a cathode space separated from each other by an alkali-ion-conducting solid electrolyte and bounded at least in some areas by a housing. The housing is bounded on its inside by an inner housin... | 03/18/1986 |
| 4539269 | Low profile seal A galvanic cell having a closure member which contains a resealable vent comprising the inwardly turned peripheral edge portion of the cell container and a closure member having a resilient peripheral lip and a resilient annular flange, the low profile co... | 09/03/1985 |
| 4444854 | Electrochemical cell having internal short inhibitor An electrochemical cell comprises a spirally wound assembly, the assembly including a negative plate; a porous polyester layer disposed on each major surface of the negative plate; a porous, electrically non-conductive separator disposed on each of the po... | 04/24/1984 |
| 4237199 | Cylindrical electric cell The invention relates to a cylindrical electric cell in which the negative electrode (8) is a sheet of lithium wound round a current collector (1) which is elastically deformable and is in the form of a cylinder whose directrix is a substantially circular... | 12/02/1980 |
| 4001044 | Dry cell A dry cell of the type enclosing therein an electrolyte mainly consisting of zinc chloride, wherein in order to ensure the more secure air- and liquid-tightness a filler or sealing agent is filled into the space between a plastic top seal and a metal top ... | 01/04/1977 |
| 3953240 | Sealing element for electric primary cells having steel casings An electric primary cell having a metal casing includes a cup electrode disposed in the metal casing and a cardboard sleeve in the metal casing between the latter and the cup electrode. The metal casing has an inwardly flanged upper edge and a cover disc ... | 04/27/1976 |
