发明名称 |
Positive active material, method of preparing the same, and lithium secondary battery using the same |
摘要 |
The present invention refers to a positive active material including a spinel lithium manganese oxide surface-coated with one or more types of nanoparticles selected from olivine-type lithium metal phosphate and metal oxide, a method of preparing the same and a lithium secondary battery using the same. The positive active material provides a lithium secondary battery having improved high-temperature cycle life characteristic and capacity per weight. |
申请公布号 |
EP2639865(A1) |
申请公布日期 |
2013.09.18 |
申请号 |
EP20120190729 |
申请日期 |
2012.10.31 |
申请人 |
SAMSUNG CORNING PRECISION MATERIALS CO., LTD. |
发明人 |
CHO, HAE IN;JO, SUNG NIM;SHIM, JAE HA;SHIM, HYUNG CHEOUL;YOON, DONG MYUNG |
分类号 |
H01M4/131;B82Y30/00;C01G45/00;C01G45/12;C01G53/00;H01M4/02;H01M4/36;H01M4/505;H01M4/58 |
主分类号 |
H01M4/131 |
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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