Patents Examined by Gabrielle Brouillette
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Patent number: 6291095Abstract: The present invention provides a flexible slide mounting member for use with a battery package which is disposed on a top surface of a battery and is electrically connected to terminal posts extending outwardly from the battery. In one embodiment, the flexible slide mounting member comprises an elongated member having a central opening extending the length of the flexible slide mounting member and has a rectangular cross section, wherein the central opening receives and retains a portion of the battery package. The flexible slide mounting member has a predetermined number of raised, retaining rails formed on an outer surface thereof, wherein the retaining rails complementarily engage retaining grooves formed on the portions of the housings which are received within the opening of the flexible slide mounting member.Type: GrantFiled: December 6, 1999Date of Patent: September 18, 2001Assignee: Delphi Technologies, Inc.Inventors: Lisa K. Griffey, James M. Murphy
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Patent number: 6291098Abstract: A thin type cell is made up of a cathode 1, an anode 2 and an electrolyte 3, sheathed within a moisture-proofing multi-layered film 4 comprising a heat fusible layer and a metal foil. A pair of electrode terminals 5, 6 interconnecting electrodes and external terminals are formed of a netted or porous electrically conductive member. By using the netted or porous electrically conductive materials as the electrode terminals 5, 6, the electrode terminals 5, 6 can be firmly bonded to the moisture-proofing multi-layered film 4. Moreover, by increasing the thickness of the heat fusible layer at the sealing portion X passed through by the electrode terminals 5, 6, shorting can be prevented from occurring.Type: GrantFiled: February 25, 1998Date of Patent: September 18, 2001Assignee: Sony CorporationInventors: Mashio Shibuya, Hiroyuki Akashi
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Patent number: 6291096Abstract: A battery tester, includes a voltage controlled display. The battery tester is disposed on a battery with a first voltage divider having a terminal coupled to a terminal of the voltage controlled display and a second voltage divider having a terminal coupled to a second terminal of the voltage controlled display. The second voltage divider includes a non-linear device. A major advantage of the tester compared to other testers is that a consumer can merely look at the tester on the battery to determine whether the battery is good or not. This tester eliminates the need to hold the battery and depress a switch to engage the battery tester.Type: GrantFiled: April 16, 1999Date of Patent: September 18, 2001Assignee: The Gillette CompanyInventor: David N. Klein
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Patent number: 6291103Abstract: A positive active material for a rechargeable lithium battery is provided. The positive active material is characterized by formulas 1 or 2. The positive active material exhibits good cycle life characteristics and high capacity. LiaNi1−(x+y+z)CoxMyNzOb (1) (where 0.95≦a≦1.05, 0.01≦x+y≦0.5, 0<y≦0.1, 0≦z≦0.05, 1.7≦b ≦2.3, M is at least one metal selected from the group consisting of La and Ce, and N is at least one metal selected from the group consisting of Mg and Sr.) LiaNbNi1−(x+y)CoxMyOz (2) (where 0.95≦a+b≦1.05, 0≦b≦0.5, 0.01≦x+y≦0.5, <0≦0.1, 1.7≦z ≦2.3, M is at least one metal selected from the group consisting of La and Ce, and N is Mg.Type: GrantFiled: December 9, 1999Date of Patent: September 18, 2001Assignee: Samsung SDI Co., Ltd.Inventors: Yong-Chul Park, Geun-Bae Kim, Jae-Phil Cho, Hyun-Sook Jung
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Patent number: 6291107Abstract: The invention provides a non-aqueous electrolyte battery using a carbonaceous material capable of doping or dedoping lithium for an anode, a composite oxide comprising lithium and a transition metal for a cathode, and a non-aqueous electrolyte obtained by dissolving a carrier salt in a non-aqueous solvent as an electrolyte. The non-aqueous electrolyte comprises at least one monomer selected from the group consisting of isoprene, styrene, 2-vinylpyridine, 1-vinylimidazole, butyl acrylate, ethyl acrylate, methyl methacrylate, N-vinylpyrrolidone, ethyl cinnamate, methyl cinnamate, ionone, and myrcene, which, upon charging, forms a film on the surface of the anode.Type: GrantFiled: August 30, 1999Date of Patent: September 18, 2001Assignee: NEC Moli Energy CorpInventor: Ryuichi Shimizu
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Patent number: 6287719Abstract: A battery construction is disclosed that includes a housing and a spiral-wound electrode assembly disposed in the housing and defining at least two electrochemical cells that are electrically connected in series. Both of the cells include wound layers of a positive electrode, a negative electrode, and a polymer electrolyte provided between the positive and negative electrode layers. The layers of each successive electrochemical cell are wound around the layers of the previous cell and are preferably separated therefrom by an insulating layer. By utilizing a polymer electrolyte, the need for expensive microporous separator layers is eliminated as is the need for providing separate sealed containers to construct a multi-cell battery. Thus, a less-expensive and space-efficient multi-cell spiral-wound electrode construction may be obtained.Type: GrantFiled: June 15, 1998Date of Patent: September 11, 2001Assignee: Eveready Battery Company, Inc.Inventor: John C. Bailey
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Patent number: 6287729Abstract: There are disclosed graphite materials for a negative electrode used in a lithium secondary battery which graphite materials have an average specific surface area of 1.5 m2/gram to 5 m2/gram and comprise (A) milled graphite fibers which are produced by milling and graphitizing mesophase pitch-based carbon fibers, and which have an interplanar spacing of the graphite layer (d002) of at most 0.337 nm and a specific surface area of 0.8 m2/gram to 1.3 m2/gram; and (B) graphite materials which have an interplanar spacing of the graphite layer (d002) of at most 0.336 nm, a degree of graphitization (P101/P100) of at least 2.0 and a specific surface area of 2 m2/gram to 15 m2/gram, wherein the components (A) and (B) are mixed at a ratio (A)/(B) by weight of 90/10 to 50/50.Type: GrantFiled: November 19, 1999Date of Patent: September 11, 2001Assignee: Petoca, Ltd.Inventors: Toshio Tamaki, Kazunori Ishigami
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Patent number: 6287723Abstract: An alkaline secondary battery comprising an electrolyte such as aqueous solution of potassium hydroxide, at least one cathode electrode, at least one anode electrode having an anode active material layer, and a separator such as non-woven fabric between the anode electrode and the cathode electrode, in which the anode active material layer containing an anode active material such as a hydridable alloy or a cadmium alloy, and an anode binder which includes a nonionic polymer produced by emulsion polymerization of a nonionic monomer in the presence of a nonionic surfactant, and in which the electrolyte essentially surrounds the cathode electrode and the anode electrode.Type: GrantFiled: July 30, 1998Date of Patent: September 11, 2001Assignee: Nippon Zeon Co., Ltd.Inventors: Koichiro Maeda, Toshihiro Inoue, Kenji Wada, Hidekazu Haneda, Haruhisa Yamamoto
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Patent number: 6287350Abstract: 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; an integral seal/inner cover assembly positioned in the open end of the can, the integral seal/inner cover assembly having a rigid inner cover and a seal preformed directly onto at least an inner-facing surface of the rigid inner cover; a collector extending through a central hole provided in the integral seal/inner cover assembly and into the can so as to contact one of the electrodes; and an outer cover positioned across the open end of the can proximate an outer-facing surface of the rigid inner cover, the outer cover being positioned so as to be in electrical contact with the collector. The rigid inner cover preferably includes at least one aperture extending from the inner-facing surface to the outer-facing surface of the inner cover.Type: GrantFiled: May 1, 2000Date of Patent: September 11, 2001Assignee: Eveready Battery Company, Inc.Inventor: Gary R. Tucholski
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Patent number: 6284397Abstract: An improved rotary piston blower supplies an oxidant stream to a fuel cell. In one embodiment, the improved rotary piston blower includes cantilevered shafts. The improved rotary piston blower is also able to supply an oil-free oxidant stream to an electrochemical fuel cell. The improved rotary piston blower has fewer components, fewer seals, and is easier to fabricate, in comparison to conventional, prior art rotary piston blowers.Type: GrantFiled: May 27, 1999Date of Patent: September 4, 2001Assignee: Ballard Power Systems Inc.Inventor: Russell H. Barton
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Patent number: 6284410Abstract: A primary electrochemical cell with an anode comprising zinc alloy particles suspended in a fluid medium is disclosed. The zinc alloy particles include at least about 10 percent, by weight, of fines (particles of −200 mesh size) or dust (particles of −325 mesh size). The zinc particles are preferably alloyed with indium or bismuth and of acicular or flake form. The anode has a low resistivity at low zinc loadings, and the cell demonstrates good mechanical stability and overall performance.Type: GrantFiled: August 1, 1997Date of Patent: September 4, 2001Assignee: Duracell Inc.Inventors: Richard Edward Durkot, Lifun Lin, Peter Bayard Harris
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Patent number: 6284404Abstract: A vehicle (V) includes a battery enclosure (152) enclosing a battery system (B). Each battery (Bn) includes a cell (1) that comprises a rolled lamination (LM) of a positive sheet electrode (11) having layers (13) of positive-pole-oriented active substance coated on both side of a charge collecting sheet (12), a negative sheet electrode (21) having layers (23) of negative-pole-oriented active substance coated on both sides of another charge collecting sheet (22), and electrolyte-containing separator (31) between the layers of active substances. The batter further includes a cell enclosure (2) totally enclosing the cell. A gas effluent system (100) for the battery system comprises a gas release system (RSn) for generated gas in the cell of each battery to be released outside the cell enclosure, and a gas discharge system (DS) for released gas to be discharged outside the battery enclosure. The gas release system comprises gas release circuitry including a network (NT) of blanks (Cp: P=1,2, . . . , q, . .Type: GrantFiled: August 4, 1999Date of Patent: September 4, 2001Assignee: Nissan Motor Co., Ltd.Inventors: Hideaki Horie, Mikio Kawai, Yasuhiko Ohsawa, Takaaki Abe, Toyoaki Nakagawa, Osamu Shimamura, Yuuji Tanjo, Ken Iwai
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Patent number: 6284406Abstract: An IC card comprising an electronic device and a battery within a plastic card for electrically energizing the electronic device. The battery is comprised of a monolithic electrochemical cell having a lithium-containing cathode, a carbon anode, and a porous polymer separator infused with electrolyte solution. The cell has a thickness of less than 0.7 mm. A package containing the cell formed of a sheet of flexible laminate material having at least one metal foil layer and a layer of an adhesive-like polymeric material. The battery has an overall thickness of less than 0.8 mm.Type: GrantFiled: June 9, 2000Date of Patent: September 4, 2001Assignee: NTK Powerdex, Inc.Inventors: Xuekun Xing, Frough K. Shokoohi, Mark L. Daroux, Joan Corniuk, Wanjun Fang, George W. Moutsios
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Patent number: 6284411Abstract: In a valve regulated type lead-acid battery, a positive plate includes a positive grid made of Pb—Ca alloy and a positive active material containing Sb in the range of 0.005% to 1.0% both inclusive per weight of the positive active material; wherein a density of the positive active material is not lower than 3.75 g/cc after formation.Type: GrantFiled: October 2, 1997Date of Patent: September 4, 2001Assignee: Japan Storage Battery Co., Ltd.Inventors: Masaaki Shiomi, Yuuichi Okada, Akiyoshi Kimura, Masaji Adachi, Ken Sawai
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Patent number: 6284403Abstract: A closure assembly for sealed batteries in which explosion-proof features are incorporated. A metal plate (8) having a hole (81), an insulating resin sheet (9), a metal thin sheet (6b), an insulating sheet (4) having an air hole (41), a metal guide plate (3) having a hole (31), and a metal cap (1b) are laid upon one another within an insulating gasket (5b). Metal plate (8) and metal guide plate (3) are in contact with each other and electrically connected. Upon a build-up of pressure within the battery, the insulating-resin sheet (9) expands and ruptures, whereby a narrow part (69) provided in the metal thin sheet (6b) positioned above the insulating resin sheet (9) breaks, thus cutting supply of electric current.Type: GrantFiled: August 17, 1999Date of Patent: September 4, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Shinji Tsurutani, Seiichi Mizutani, Hideaki Yoshio, Kenjin Masumoto, Hideyuki Kobayashi
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Patent number: 6284399Abstract: The invention relates to a fuel cell system having membranes that are used to humidify reactant gases. The membranes effectively prevent contamination of the reactant gases during humidification. The membranes can be used to purify the reactant gases during humidification.Type: GrantFiled: September 17, 1999Date of Patent: September 4, 2001Assignee: Plug Power LLCInventors: Uriel M. Oko, James H. Kralick
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Patent number: 6280870Abstract: A gas diffusion layer that is usable with a fuel cell includes a material that is adapted to permit a reactant of the fuel cell to diffuse through the material. The material includes flow channels for communicating the reactant so that at least a portion of the reactant diffuses through the material to a membrane of a fuel cell. The gas diffusion layer may be received by a recessed portion of a plate.Type: GrantFiled: August 26, 1999Date of Patent: August 28, 2001Assignee: Plug Power Inc.Inventors: Glenn A. Eisman, William B. Maynard, Ron H. Farkash, Charles M. Carlstrom
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Patent number: 6280880Abstract: A method for surface treatment of a fibrous polyphenylene sulfide or polysulfone is based on the use of a gas mixture of 1 to 5% in volume of elemental fluorine, of nitrogen as carrier gas and of no more than 20% in volume elemental oxygen. The gas mixture affects the fibers until the total fluorine content in the fiber material is between 0.01 and 0.2 percent in weight. The fibers treated in this manner are particularly suited as separator material in electrochemical energy storage devices with an alkaline electrolyte.Type: GrantFiled: July 7, 2000Date of Patent: August 28, 2001Assignee: Carl FreudenbergInventors: Rolf-Peter Schwoebel, Harald Hoffmann
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Patent number: 6280865Abstract: The invention relates to a fuel cell system with a hydrogen purification subsystem. The hydrogen purification subsystem can concentrate hydrogen from the fuel exhaust for recirculation or storage. The hydrogen purification subsystem can also concentrate hydrogen from a fuel supply for input into a fuel cell or for storage. The hydrogen purification subsystem can also concentrate hydrogen for quantitative comparison with a second stream containing hydrogen. The hydrogen purification subsystem can also charge a hydrogen storage device for system use such as meeting transient fuel cell load increases.Type: GrantFiled: September 24, 1999Date of Patent: August 28, 2001Assignee: Plug Power Inc.Inventors: Glenn A Eisman, James F. McElroy, Norman Peschke
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Patent number: 6280875Abstract: A thin-film rechargeable battery and its method of manufacture having a substrate over which may be formed layered battery components. The layered components include, in series, a first electrode layer, and an electrolyte layer. The layered arrangement reduces reactivity between the layered components and provides improved battery performance.Type: GrantFiled: March 24, 1999Date of Patent: August 28, 2001Assignee: Teledyne Technologies IncorporatedInventors: B. Leo Kwak, Robert A. Clarke, Richard F. David