Patent application number | Description | Published |
20130029222 | POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY COMPRISING THAT POSITIVE ELECTRODE - To provide a sulfur-system positive electrode for lithium-ion battery, sulfur-system positive electrode which is good in the cyclability and the other characteristics, and a lithium-ion secondary battery including that positive electrode. | 01-31-2013 |
20130078519 | PRODUCTION PROCESS FOR LITHIUM-SILICATE-BASED COMPOUND - A production process for lithium-silicate-based compound according to the present invention is characterized in that: a lithium-silicate compound being expressed by Li | 03-28-2013 |
20130183584 | LITHIUM-SILICATE-BASED COMPOUND AND PRODUCTION PROCESS FOR THE SAME - A production process for lithium-silicate-based compound is characterized in that:
| 07-18-2013 |
20140050974 | SODIUM SECONDARY BATTERY - Because of being equipped with a positive electrode, a negative electrode and a sodium-ion nonaqueous electrolyte, and because the positive electrode includes a sulfur-based positive-electrode active material containing carbon (C) and sulfur (S), it is possible to inhibit sulfur from eluting out into electrolytic solution, thereby resulting in a sodium secondary battery that makes it feasible to undergo charging and discharging for 100 cycles or more reversibly. | 02-20-2014 |
20140127585 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, VEHICLE, AND PROCESS FOR PRODUCING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL - It is intended to provide a positive electrode active material, which contains a lithium silicate based compound and has superior conductivity, for nonaqueous electrolyte secondary battery, a process for producing the same, and a nonaqueous electrolyte secondary battery using the positive electrode active material. The lithium silicate based compound and a carbon material are mixed at 450 to 16000 rpm for 1 minute to 10 hours and then heated and pressurized at 500° C. to 700° C. at 1 to 500 MPa for 1 minute to 15 hours, thereby adhering the lithium silicate based compound and the carbon material to each other. | 05-08-2014 |
20140134485 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND NEGATIVE ELECTRODE AS WELL AS SECONDARY BATTERY USING THE SAME - A negative-electrode active material for secondary battery includes a sulfur-modified polyacrylonitrile. The sulfur-modified polyacrylonitrile includes a polyacrylonitrile, and sulfur being introduced into the polyacrylonitrile. | 05-15-2014 |
20140231721 | LITHIUM SILICATE-BASED COMPOUND, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY USING THE SAME - Provided is a novel lithium silicate-based material useful as a positive electrode material for lithium ion secondary battery. | 08-21-2014 |
20140308579 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE, AND SODIUM ION SECONDARY BATTERY - Provided are a positive electrode active material for a sodium ion secondary battery, and a positive electrode and a sodium ion secondary battery using the material. The positive electrode active material for a sodium ion secondary battery comprises a lithium sodium-based compound containing lithium (Li), sodium (Na), iron (Fe), and oxygen (O). | 10-16-2014 |
20140332718 | LITHIUM SILICATE-BASED COMPOUND AND PRODUCTION PROCESS FOR THE SAME, POSITIVE-ELECTRODE ACTIVE MATERIAL AND POSITIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AS WELL AS SECONDARY BATTERY - A lithium silicate-based compound according to the present invention is expressed by a general formula, Li | 11-13-2014 |
20140356731 | SECONDARY BATTERY - In a secondary battery, a negative electrode, an electrolytic solution for negative electrode, a diaphragm, an electrolytic solution for positive electrode, and a positive electrode are disposed in order. The negative electrode includes a negative-electrode active material that has an element whose oxidation-reduction potential is more “base” by 1.5 V or more than an oxidation-reduction potential of hydrogen, and whose volume density is larger than that of lithium metal. The diaphragm includes a solid electrolyte transmitting ions of said element alone. A secondary battery with high volumetric density is provided. | 12-04-2014 |
20150076399 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY PRODUCTION PROCESS FOR THE SAME, NEGATIVE ELECTRODE FOR NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY - Providing a negative-electrode active material for nonaqueous-electrolyte secondary battery, the negative-electrode active material enabling an output characteristic to upgrade, a production process for the same, a negative electrode for nonaqueous-electrolyte secondary battery, and a nonaqueous-electrolyte secondary battery. | 03-19-2015 |