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| Number | Title | Issue Date |
| 7601464 | Electrode core material and battery using the same An electrode core material has a substrate and at least one porous material layer diffusion-bonded to the substrate. The substrate is made of a metal foil processed into a three-dimensional structure which is substantially deformed from a major plane of the metal fo... | 10/13/2009 |
| 7425385 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery including: an electrode group in which a positive electrode plate and a negative electrode plate are spirally wound with a separator interposed therebetween; and a non-aqueous electrolyte, wherein the positive electrode pl... | 09/16/2008 |
| 7332245 | Electrode for electrochemical devices and battery using the same An electrode according to the present invention employs the metal plate having the specified structure as the electrode substrate. The metal plate 51 has a plurality of protuberances 54 that are alternately protruded on both front and back sides thereo... | 02/19/2008 |
| 7297446 | Negative electrode for rechargeable lithium battery and method for fabrication thereof A negative electrode for a rechargeable lithium battery which is obtained by sintering under a non-oxidizing atmosphere, in the form of a layer on a surface of a metal foil current collector, an anode mix containing a binder and particles of active material containi... | 11/20/2007 |
| 7270686 | Method for making a fuel cell with large active surface and reduced volume The present invention relates to a process for producing a fuel cell, comprising a step of forming a plurality of holes (10) in at least two substrates (9); each hole is in the seat of an individual fuel cell, the said holes having a particular geometr... | 09/18/2007 |
| 7029797 | Electrode plate for alkaline storage battery and alkaline storage battery using the same An electrode plate for an alkaline storage battery of the present invention includes a conductive core material as a current collector, in which a plurality of through-holes are linearly provided in the core material so as to be parallel to a longitudinal direction ... | 04/18/2006 |
| 7000297 | Electrochemical cell current collector having openings of progressively larger sizes converging at a tab The present invention relates to a current collector for an electrochemical cell. The current collector is a substrate having a grid pattern comprising open areas converging at an imaginary focal point on a connector tab of the substrate. The openings are grouped in... | 02/21/2006 |
| 6979517 | Electrode plate for cell and method for manufacturing the same The battery electrode plate includes a core member (1) which is densely coated with a mixture paste chiefly including an active material (2). The core member (1) is made of a metal sheet (3), which is formed with rows (8) of first ... | 12/27/2005 |
| 6921611 | Method of making a battery A method of making a battery includes forming a strip of interconnected grids from a grid material by feeding a continuous strip of the grid material along a linear path aligned with the longitudinal direction of the strip and punching grid material out of the strip... | 07/26/2005 |
| 6878173 | Method for manufacturing electrode plate for cell A battery electrode plate (19) is produced via an active material impregnation step for impregnating an entire porous core substrate shaped like a thin plate (1) with an active material (3), a pressing step for performing press working on the co... | 04/12/2005 |
| 6833218 | Direct cast lead alloy strip for expanded metal battery plate grids A method of making a lead alloy grid for use in a plate for a lead acid battery that enables thin battery plates with a high surface area. The method of the present invention includes forming the lead alloy, such as by direct casting, to a very small thickness, then... | 12/21/2004 |
| 6800399 | Non-sintered thin electrode for battery, battery using same and process for same An electrode substrate is formed by mechanically processing a nickel foil so as to be made three dimensional through the creation of concave and convex parts, and then, this substrate is filled with active material or the like so that an electrode is manufactured, w... | 10/05/2004 |
| 6790561 | Process for fabricating continuously coated electrodes on a porous current collector and cell designs incorporating said electrodes The invention is directed to an electrochemical cell having at least one of its electrodes produced by coating a slurry mixture of an active material, possibly a conductive additive, and a binder dispersed in a solvent and contacted to a perforated current collector... | 09/14/2004 |
| 6740454 | Organic electrolytic cell with a porous current collector An organic electrolytic cell having a positive electrode, a negative electrode, and an electrolyte comprising a solution of a lithium salt in an aprotic organic solvent, wherein a positive electrode collector and a negative electrode collector have pores that penetr... | 05/25/2004 |
| 6689507 | Battery and equipment or device having the battery as part of structure and locally distributed power generation method and power generation device therefor A battery comprising powdered active materials and capable of storing a large power, and equipment or device having the battery as parts of its structure, wherein an anode cell (2) of two vessels connected via an ion-passing separator (1) is filled with a... | 02/10/2004 |
| 6682852 | Method of manufacturing battery electrode substrate and battery electrode substrate Concave portions and convex portions are formed on a peripheral surface of a thin metal sheet by applying a pressing force thereto while the metal sheet is being embossed; pores are each formed on an apex of each of the concave portions and convex portion... | 01/27/2004 |
| 6673494 | Expanded zinc mesh anode An anode comprises one or more sheets of expanded zinc mesh. The thickness and mesh size of the expanded zinc mesh may vary. A single sheet of zinc mesh may be coiled, forming continuous electrical contact with itself. Alternatively, a single sheet of zin... | 01/06/2004 |
| 6605388 | Battery cell electrode core plate, fabrication method therefor, and battery cell made therewith In a first process, an electrically conductive thin metal plate 7 is subjected to a press molding process employing a plurality of punches 3 in a primary molding block 1 and a plurality of dies 4 in a secondary molding block 2, so as to form therein a plu... | 08/12/2003 |
| 6528213 | Storage battery An electrode includes an expanded grid and an active material provided on the grid, the thickness of the grid is the same as the strand and connecting sections of the strand, presenting a waveform as a whole. When this grid is used in the electrode as a c... | 03/04/2003 |
| 6492045 | Corrugated current collector for direct internal reforming fuel cells A fuel cell corrugated current collector having successive spaced rows of corrugations, with the corrugations in a given row establishing successive peak and valley regions along the given row and the spaced rows of corrugations being adapted so that corr... | 12/10/2002 |
| 6479179 | Source of electrical power for an electric vehicle and other purposes, and related methods Microthin sheet technology is disclosed by which superior batteries are constructed which, among other things, accommodate the requirements for high load rapid discharge and recharge, mandated by electric vehicle criteria. The microthin sheet technology h... | 11/12/2002 |
| 6338918 | Spiral-wound electrode with three-dimensional support An electrode comprises a porous three-dimensional conductive support and at least one reinforcing metal band fixed along a longitudinal edge portion of the support and having a coefficient of elongation to rupture equal to at least 20% in a direction para... | 01/15/2002 |
| 6274274 | Modification of the shape/surface finish of battery grid wires to improve paste adhesion A method of forming battery grids or plates that includes the step of mechanically reshaping or refinishing battery grid wires to improve adhesion between the battery paste and the grid wires. The method is particularly useful in improving the paste adhes... | 08/14/2001 |
| 6238819 | Metal foam support, electrode and method of making same A metal foam support, plus an electrode comprising same, as well as methods of making both, are disclosed, in which there is provided for both the support and the electrode a metal foam member with at least one stacked edge. The stacked edge has a plurali... | 05/29/2001 |
| 6228537 | Electrode grid for lead batteries The invention pertains to an electrode grid for lead batteries with a rectangular grid frame, pasting accessory rails arranged on it, and a group of grid cross members which form the skeleton to hold the active mass, the pasting accessory rails extending ... | 05/08/2001 |
| 6110622 | Chemically machined current collector design A current collector in the form of a conductive substrate subjected to a special chemical etch on both major surfaces to provide a "basket weave" structure, is described. The basket weave structures has a lattice construction surrounded by a frame and com... | 08/29/2000 |
| 6096455 | Plate-like current collector and method of producing the same A plate-like current collector and the method of producing the same, said collector comprising a metal foil having a plurality of bowl-like projections, each projection projecting downwardly from the front side thereof to the reverse side thereof and havi... | 08/01/2000 |
| 6087045 | Primer with electrochemically inert particulate and process for fabricating same A primer material for use with an electrode. The primer includes a fluid medium and electrochemically inert particulate having a dimensional thickness greater than the dimensional thickness of the fluid medium after the fluid medium is at least partially ... | 07/11/2000 |
| 5989741 | Electrochemical cell system with side-by-side arrangement of cells An electrochemical cell system including an anode compartment and a cathode compartment separated by a membrane and electrode structure. This structure has an anode surface with a plurality of anodes in a side-by-side arrangement exposed to the anode comp... | 11/23/1999 |
| 5981107 | Lithium ion secondary battery and method of fabricating thereof To obtain a lithium ion secondary battery having excellent charge and discharge characteristics in which electric connection between active material layers and a separator can be maintained without requiring a strong armor metal case, so that it can be ma... | 11/09/1999 |
| 5766798 | Prismatic galvanic cell having a current topping lug A prismatic galvanic cell having a large number of electrode pairs separated by separators is provided with electrode plates having current tapping lugs which extend from upper or lateral edges of the plates, and which include flexible tongues extending a... | 06/16/1998 |
| 5670278 | Supports and electrodes for primary and secondary electric cells Described is a support for electrodes of primary or secondary electric cells, said support comprising an open-mesh, three-dimensional network structure composed of plastics threads coated unbrokenly with one or more efficiently conducting, thin metal coat... | 09/23/1997 |
| 5656396 | Alkaline storage battery The invention provides long life alkaline storage batteries free from short-circuiting using plates having a punching metal as a substrate. In the alkaline storage batteries of the present invention, at least one of the positive plate and the negative pla... | 08/12/1997 |
| 5626989 | Quasi-solid plate storage battery A storage battery having various cell constructions to increase the surface-to-weight ratio of active material exposed to electrolyte ions, to reduce internal resistance, and to extend the life of the battery is provided. One configuration for the battery... | 05/06/1997 |
| 5264306 | Lead-acid storage cell grid Improved lead acid storage cell grid for a storage battery which includes a tab extending upwardly and at right angles from a slotted cell grid. A plurality of like polarity positive or negative interleaved battery grids in a cell are joined into combined... | 11/23/1993 |
| 5114812 | Electrodes for primary and secondary electric cells An electrode for primary or secondary electric cells comprises a support and an active material, the support being an electrically conductive network material which extends skeletally throughout the active material.... | 05/19/1992 |
| 4320183 | Grid for batteries Discloses a cast grid for supporting active mass in a lead-acid battery and gathering current from the active mass, the grid being characterized by a quasi-radial design adapted to provide efficient battery operation.... | 03/16/1982 |
| 4271245 | Grid base plate for an electrode plate for a storage battery and method of manufacture thereof A grid base plate and its method of manufacture comprising intermittently conveying a thin elongated metallic sheet longitudinally in one direction through successive first, second and third stations, the sheet being stopped in each of the stations betwee... | 06/02/1981 |
| 4221854 | Lightweight laminated grid for lead-acid storage batteries Lightweight grids for lead-sulfuric acid type storage batteries are characterized by their laminated reticulated open meshed portions for retaining chemically active, lead-based paste materials. The laminated portions comprise a support layer of a rigid o... | 09/09/1980 |
| 4151331 | Offset perforated lead-acid battery grid A grid for a lead-acid battery is disclosed having a network of integrally interconnected strands of lead in which a portion of the strands are offset and project from one face of the grid while a second portion of the strands project and are offset to th... | 04/24/1979 |
