Patent application number | Description | Published |
20110031935 | NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND MANUFACTURING PROCESS FOR THE SAME - The present invention is characterized in that, in a negative electrode for lithium-ion secondary battery, the negative electrode being manufactured via an application step of applying a binder resin and an active material onto a surface of collector, the binder resin is an alkoxysilyl group-containing resin that has a structure being specified by formula (I); and the active material includes a lithium-inactive metal that does not form any intermetallic compounds with lithium, or a silicide of the lithium-inactive metal, and an elemental substance of Si. It is possible to upgrade cyclic characteristics by means of using the negative electrode for lithium-ion secondary battery according to the present invention. | 02-10-2011 |
20110291055 | PRODUCTION PROCESS FOR LITHIUM-SILICATE-SYSTEM COMPOUND - The present invention is one which provides a production process for lithium-silicate-system compound, the production process being characterized in that: a lithium-silicate compound being expressed by Li | 12-01-2011 |
20110315919 | PRODUCTION PROCESS FOR LITHIUM-BORATE-SYSTEM COMPOUND - A process is provided, process which makes it possible to produce lithium-borate-system materials by means of relatively simple means, lithium-borate-system materials which are useful as positive-electrode active materials for lithium-ion secondary battery, and the like, whose cyclic characteristics, capacities, and so forth, are improved, and which have better performance. The present production is characterized in that a divalent metallic compound including at least one member of compounds that is selected from the group consisting of divalent-iron compounds and divalent-manganese compounds, and boric acid as well as lithium hydroxide are reacted at 400-650° C. in a molten salt of a carbonate mixture comprising lithium carbonate and at least one member of alkali-metal carbonates that is selected from the group consisting of potassium carbonate, sodium carbonate, rubidium carbonate and cesium carbonate in a reducing atmosphere. | 12-29-2011 |
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 |
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 |