| 发明名称 |
LITHIUM TRANSITION-METAL COMPOUND OXIDE FOR POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium transition-metal compound oxide for the positive electrode active material capable of structuring a secondary battery having excellent cycle characteristic, and to provide a manufacturing method thereof. SOLUTION: Lithium transition-metal compound oxide expressed with a composition formula LiNi1-x Mnx O2 (0.3<x<0.7) and containing Ni and Mn existing in a lithium site at a rate of 5% or less in relation to the whole of Ni and Mn and having the hexagonal system layered rock salt structure is used. The manufacturing method thereof includes a compound hydroxide synthesizing process for obtaining the Ni-Mn compound hydroxide, an oxidizing process for obtaining the Ni-Mn oxyhydroxide by oxidizing the Ni-Mn compound hydroxide, a raw material mixing process for obtaining the raw material mixture by mixing the Ni-Mn compound hydroxide and the lithium compound with each other, and a baking process for obtaining the lithium transition-metal compound oxide by baking the raw material mixture in the oxygen atmosphere. |
| 申请公布号 |
JP2003017049(A) |
申请公布日期 |
2003.01.17 |
| 申请号 |
JP20010194522 |
申请日期 |
2001.06.27 |
| 申请人 |
TOYOTA CENTRAL RES & DEV LAB INC |
发明人 |
NAKANO HIDEYUKI;OKUDA NARUAKI;HIRUTA OSAMU;UKIYOU YOSHIO |
| 分类号 |
C01G53/00;H01M4/505;H01M4/525 |
主分类号 |
C01G53/00 |
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