发明名称 |
NEGATIVE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME AND LITHIUM ION BATTERY COMPRISING THE SAME |
摘要 |
A negative active material, a method for preparing the negative active material and a lithium ion battery comprising the same are provided. The negative active material may comprise: a core, an intermediate layer consisting of a first material and an outmost layer consisting of a second material, which is coated on a surface of the intermediate layer. The first material may be at least one selected from the group consisting of the elements that form alloys with lithium, and the second material may be at least one selected from the group consisting of transition metal oxides, transition metal nitrides and transition metal sulfides. |
申请公布号 |
EP2633577(A4) |
申请公布日期 |
2016.02.24 |
申请号 |
EP20110845933 |
申请日期 |
2011.08.25 |
申请人 |
SHENZHEN BYD AUTO R&D COMPANY LIMITED;BYD COMPANY LIMITED |
发明人 |
MA, YONGJUN;TU, PEI;GUO, ZIZHU |
分类号 |
H01M4/587;H01M4/36;H01M4/38;H01M4/48;H01M4/58;H01M10/0525 |
主分类号 |
H01M4/587 |
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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