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| Number | Title | Issue Date |
| 7759289 | Activated carbon, method for production thereof, polarizing electrode and electrical double layer capacitor In activated carbon obtained by subjecting a carbonaceous material to an activation treatment, the overall content of alkali metals is set at 100 ppm or less, or the overall content of heavy metals is set at 20 ppm or less and the overall content of alkali metals is... | 07/20/2010 |
| 7709415 | Method for manufacturing activated carbon, polarizable electrode, and electric double-layered capacitor Activated carbon useful as polarizable electrode material for an electric double-layer capacitor can be obtained by mixing a carbonaceous material and an alkali metal hydroxide while maintaining a solid state, granulating the obtained mixture while maintaining its s... | 05/04/2010 |
| 7297227 | Method of making sheet electrode for electric double layer capacitor and roller rolling machine suitable for use therein A sheet electrode with a predetermined thickness for an electric double layer capacitor is made by carrying out a roller rolling step in which a long sheet intermediate is made from a material containing a carbonaceous powder, a conductive assistant and a binder and... | 11/20/2007 |
| 7297300 | Method of making polarizable electrode for electric double layer capacitor A method of making a polarizable electrode for an electric double layer capacitor, includes adding a binder assistant to a binder so that the binder is swollen and mixing a carbonaceous powder, a conductive assistant and thereafter the swollen binder, thereby obtain... | 11/20/2007 |
| 7168562 | Roll container with presser plates A container for a long electrode sheet for electric double layer capacitor includes a cover closing the opening of the container body, a sealing member sealing a gap between the container body and the cover, a stem fixed to either the container body or the cover so ... | 01/30/2007 |
| 7160615 | Granules for formation of an electrode of an electric double layer capacitor, manufacturing method thereof, electrode sheet, polarized electrode, and electric double layer capacitor using a polarized electrode An electrode sheet of an electric double layer capacitor is produced by using granules for formation of an electrode of an electric double layer capacitor which are obtained by kneading and then crushing materials including an activated material, a conductive filler... | 01/09/2007 |
| 7088570 | Carbonized product used for production of activated carbon for electrode of electric double-layer capacitor A carbonized product 10 used for production of activated carbon for an electrode of an electric double-layer capacitor, includes a plurality of crystallites 12 each having a graphite structure in an amorphous carbon matrix 11. The interlayer dis... | 08/08/2006 |
| 7077932 | Method of making sheet electrode for electric double layer capacitor and roller rolling machine suitable for use therein A sheet electrode with a predetermined thickness for an electric double layer capacitor is made by carrying out a roller rolling step in which a long sheet intermediate is made from a material containing a carbonaceous powder, a conductive assistant and a binder and... | 07/18/2006 |
| 7068493 | Polarizing property electrode for electrical double layer capacitor and manufacturing method of polarizing property electrode for electrical double layer capacitor, and manufacturing method of electrode sheet for electrical double layer capacitor In an electrode drying process in which the electrode is molded in a sheet shape by kneading activated carbon powder, a binding material and an organic solvent for lubrication and a polarizing property electrode is formed by heating and removing the organic solvent ... | 06/27/2006 |
| 6872616 | Manufacturing method of polarizing property electrode for electrical double layer capacitor, and manufacturing method of electrode sheet for electrical double layer capacitor In an electrode drying process in which the electrode is molded in a sheet shape by kneading activated carbon powder, a binding material and an organic solvent for lubrication and a polarizing property electrode is formed by heating and removing the organic solvent ... | 03/29/2005 |
| 6845003 | Metal collector foil for electric double layer capacitor, method of producing the metal collector foil, and electric double layer capacitor using the metal collector foil A metal collector foil for an electric double layer capacitor is an etched metal collector foil having an oxide film in an amount of not greater than 300 mg/m2, and a capacitance per unit surface area of not less than 150 μF/cm2. The etched me... | 01/18/2005 |
| 6831826 | POLARIZED ELECTRODE FOR ELECTRIC DOUBLE-LAYER CONDENSER, AND ELECTRIC DOUBLE-LAYER CONDENSER MANUFACTURED USING THE SAME, AND PROCESS FOR MANUFACTURING ELECTRODE SHEET FOR ELECTRIC DOUBLE-LAYER CONDENSER, AND LAMINATING APPARATUS A polarized electrode for an electric double-layer condenser, which has a structure for preventing the damage of the end portion of the electrolyte belonging to the collecting foil, in the process for manufacturing the electric double-layer condenser, and an electri... | 12/14/2004 |
| 6798643 | Metal collector foil for electric double layer capacitor, method of producing the metal collector foil, and electric double layer capacitor using the metal collector foil A metal collector foil for an electric double layer capacitor has etched upper and lower surface layers and an unetched central layer disposed between the etched upper and lower surface layers. The etched upper and lower surface layers have a total thickness suffici... | 09/28/2004 |
| 6795297 | Electrode sheet, method for manufacturing thereof, polarizable electrode and electric double-layer capacitor The present invention provides an electrode sheet for an electric double-layer capacitor. The electrode sheet is molded from granules which are produced from ingredients including an electrochemically active material, an electrically conductive filler and a binder. ... | 09/21/2004 |
| 6785122 | Method for preparing electrolytic solution, electrolytic solution and electric double-layer capacitor A method for preparing the electrolytic solution of an electric double-layer capacitor is provided, which undergoes cyclical charging and discharging within a predetermined operating range of voltage. The capacitor includes the electrolytic solution, electrodes and ... | 08/31/2004 |
| 6778379 | Granules for electrode, method for manufacturing thereof, electrode sheet, polarizable electrode and electric double-layer capacitor An electrode sheet for an electric double-layer capacitor is provided. The electrode sheet is molded from granules which are produced from ingredients including an electrochemically active material, an electrically conductive filler and a binder. A contact angle is ... | 08/17/2004 |
| 6433997 | Tubular electric double-layer capacitor A cylindrical electric double-layer capacitor 1 includes an electrode roll made by spirally rolling a superposed assembly formed of a band-shaped positive pole and a band-shaped negative pole superposed on each other with a first separator interposed ther... | 08/13/2002 |
