Patent application number | Description | Published |
20140220438 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND CATHODE SHEET THEREFOR - The invention provides a nonaqueous electrolyte secondary battery having a cathode and an anode arranged so as to be opposite to each other, and an electrolyte layer put therebetween;
| 08-07-2014 |
20150162613 | POWER STORAGE DEVICE POSITIVE ELECTRODE AND PRODUCTION METHOD THEREFOR, POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR POWER STORAGE DEVICE AND PRODUCTION METHOD THEREFOR, AND POWER STORAGE DEVICE - A power storage device positive electrode which ensures development of a higher capacity at the initial stage of a charge/discharge process and a higher capacity density is provided. The power storage device positive electrode contains an electrically conductive polymer as a positive electrode substance, where the electrically conductive polymer is present in a particulate form having a median diameter of not greater than 5 μm. | 06-11-2015 |
20150235777 | POWER STORAGE DEVICE POSITIVE ELECTRODE, POWER STORAGE DEVICE, AND METHOD FOR PRODUCING SLURRY FOR POWER STORAGE DEVICE POSITIVE ELECTRODE - A higher performance positive electrode for a power storage device is provided, which ensures a higher capacity density per unit weight of an active substance and, particularly, a higher initial capacity in initial charge/discharge. The power storage device positive electrode includes electrically conductive polymer particles as an active substance, and the electrically conductive polymer particles each have a flat shape. | 08-20-2015 |
20150303475 | POWER STORAGE DEVICE, ELECTRODE USED THEREIN, AND POROUS SHEET - In order to achieve a novel power storage device having high-speed charge/discharge and a high capacity density, an electrode which is used in the power storage device, and a porous sheet, the present invention provides a power storage device which includes an electrolyte layer | 10-22-2015 |
20150303476 | POWER STORAGE DEVICE, AND ELECTRODE AND POROUS SHEET USED IN SAME - A power storage device including an electrolyte layer, and a positive electrode and a negative electrode provided, with the electrolyte layer interposed therebetween. At least one of the electrodes is a composite including at least a thiophene polymer (A) having electrical conductivity varied by ion insertion/desertion, and a polycarboxylic acid (B). The polycarboxylic acid (B) is fixed in the electrode. A high-performance power storage device having an excellent capacity density per active substance weight and excellent high-speed charge and discharge characteristics is provided. | 10-22-2015 |
20150318540 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and negative electrode, and an electrolyte solution containing a supporting salt having ion conductivity, wherein the positive electrode comprises a composition containing components (a) and (b) below and satisfying a requirement (α) below, and wherein the negative electrode contains metal lithium and at least one selected from materials capable of lithium ion insertion/desorption: | 11-05-2015 |
20150318549 | ELECTRICITY STORAGE DEVICE, ELECTRODE USED THEREIN, AND POROUS SHEET - For achievement of a novel electricity storage device excellent in charge and discharge velocity and in capacity density, and an electrode and a porous sheet for use in the same, an electricity storage device including an electrolyte layer, a positive electrode, and a negative electrode is provided, wherein the electrolyte layer is interposed between the electrodes, and wherein at least one of the electrodes is a porous film made from a solution having an electrically conductive polymer in a reduced state. | 11-05-2015 |
20150325840 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND POSITIVE ELECTRODE USED THEREIN - A novel nonaqueous electrolyte secondary battery having a high weight energy density far exceeding the weight energy density of a conventional secondary battery is provided. A nonaqueous electrolyte secondary battery including an electrolyte layer, a positive electrode and a negative electrode with the electrolyte layer interposed there between. The positive electrode includes (a) an electrically conductive polymer, and (b) a phosphorus-containing polymer. The negative electrode includes a base metal or a material capable of insertion/extraction of a base metal ion. | 11-12-2015 |
20150325857 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution containing a supporting salt having ionic conductivity, wherein the positive electrode contains an electrically conductive polymer, the negative electrode contains a carbonaceous material capable of lithium ion insertion/desertion, and the electrolyte solution contains a negative electrode film-forming agent. Consequently, the nonaqueous electrolyte secondary battery, which uses the electrically conductive polymer in the positive electrode and the carbonaceous material in the negative electrode, has an excellent weight energy density and can effectively suppress deterioration of battery performance. | 11-12-2015 |