发明名称 |
Nickel-based positive electrode active material, method of preparing the same, and lithium battery using the nickel-based positive electrode active material |
摘要 |
A positive electrode active material for a secondary lithium battery, a method of preparing the same, and a lithium battery using the nickel-based positive electrode active material, wherein said positive electrode active material comprises a lithium nickel complex oxide material having a surface portion and a core portion, in which lithium ions are distributed in a concentration gradient decreasing from the surface portion to the core portion of the lithium nickel complex oxide material. |
申请公布号 |
EP2405521(A1) |
申请公布日期 |
2012.01.11 |
申请号 |
EP20110172938 |
申请日期 |
2011.07.06 |
申请人 |
SAMSUNG SDI CO., LTD. |
发明人 |
PARK, DO-HYUNG;KWON, SEON-YOUNG;KIM, MIN-HAN;KIM, JI-HYUN;KIM, CHANG-HYUK;LEE, JEONG-SEOP;KIM, YOON-CHANG |
分类号 |
H01M10/0525;C01G45/00;C01G51/00;C01G53/00;H01M4/131;H01M4/36;H01M4/505;H01M4/525 |
主分类号 |
H01M10/0525 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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