| 发明名称 |
POSITIVE ELECTRODE ACTIVE MATERIAL, PRODUCTION METHOD THEREOF AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY |
| 摘要 |
In order to provide a 3V level non-aqueous electrolyte secondary battery with a flat voltage and excellent cycle life at a high rate with low cost, the present invention provides a positive electrode represented by the formula: Li2+/- alpha ÄMeÜ4O8-x, wherein 0 </= alpha < 0.4, 0 </= x < 2, and Me is a transition metal containing Mn and at least one selected from the group consisting of Ni, Cr, Fe, Co and Cu, said active material exhibiting topotactic two-phase reactions during charge and discharge. <IMAGE> |
| 申请公布号 |
EP1487039(A1) |
申请公布日期 |
2004.12.15 |
| 申请号 |
EP20030707026 |
申请日期 |
2003.02.24 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;OSAKA CITY |
发明人 |
OHZUKU, TSUTOMU;YOSHIZAWA, HIROSHI;NAGAYAMA, MASATOSHI;KOSHINA, HIZURU |
| 分类号 |
H01M10/05;C01G37/00;C01G45/00;C01G49/00;C01G51/00;C01G53/00;H01M4/131;H01M4/485;H01M4/505;H01M4/525;H01M4/66;H01M10/0525;H01M10/0569;H01M10/42 |
主分类号 |
H01M10/05 |
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