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Donoue
Kazunori Donoue, Hyogo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080299463 | Nonaqueous Electrolyte Secondary Battery - A nonaqueous electrolyte secondary battery that even at high-rate discharge wherein discharge is carried out at relatively large current, can attain an increase of discharge capacity. There is provided a nonaqueous electrolyte secondary battery comprising positive electrode ( | 12-04-2008 |
| 20090286159 | Lithium secondary battery and electrodes for use therein - The present invention relates to a positive electrode for a rechargeable lithium ion battery comprised of single particles containing a compound of the formula LiMPCU, whereby M is a metal selected from the group consisting of Co, Ni, Mn, Fe, Ti or combinations thereof, and whereby in a X-Ray diffraction chart of the electrode the ratio of the intensity I | 11-19-2009 |
Kazunori Donoue, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20090068560 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery has a negative electrode, a non-aqueous electrolyte, and a positive electrode containing a positive electrode active material composed of an olivine lithium-containing metal phosphate represented by the general formula Li | 03-12-2009 |
Kazunori Donoue, Kobe-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080286655 | Non-Aqueous Electrolyte Battery - A non-aqueous battery with improved volume energy density and enhanced load characteristics is made available even when using olivine-type lithium phosphate as a positive electrode active material. | 11-20-2008 |
Kazunori Donoue, Moriguchi-City JP
| Patent application number | Description | Published |
|---|---|---|
| 20080222881 | Method of producing active material for lithium secondary battery, method of producing electrode for lithium secondary battery, method of producing lithium secondary battery, and method of monitoring quality of active material for lithium secondary battery - A method of producing an active material for a lithium secondary battery, by which impurities causing problems in synthesizing an active material for a lithium secondary battery, including a lithium transition metal oxyanion compound are removed efficiently and enhancement of an energy density is realized, is provided. By cleaning the active material for a lithium secondary battery, including a lithium transition metal oxyanion compound, with a pH buffer solution, for example, it is possible to efficiently remove just only impurities such as Li | 09-18-2008 |
Kazunori Donoue, Sumoto-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20120077088 | METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY BY USING THE SAME - A method for manufacturing a positive electrode active material for a nonaqueous electrolyte secondary battery including the steps of mixing a lithium source and a tetravalent manganese source and reacting the lithium source and the manganese source at a temperature lower than 600° C. while tetravalent manganese is reduced, so as to produce a lithium manganese compound oxide, wherein the positive electrode active material is formed from the lithium manganese compound oxide where the lithium manganese compound oxide is represented by a general formula Li | 03-29-2012 |