发明名称 |
Negative electrode for rechargeable lithium battery and method for fabrication thereof |
摘要 |
A negative electrode for a rechargeable lithium battery which is obtained by sintering under a non-oxidizing atmosphere, in the form of a layer on a surface of a metal foil current collector (1), an anode mix containing a binder (3) and particles of active material (4) containing silicon and/or a silicon alloy; the negative electrode being characterized in that the metal foil current collector has projections (2) and recesses on its surface (1a), the projection is shaped to have a recurved side face portion (2a) that curves more outwardly as it extends closer to a distal end of the projection, and the binder penetrates into spaces defined by the recurved side face portions. |
申请公布号 |
EP1463133(A3) |
申请公布日期 |
2007.01.17 |
申请号 |
EP20040007333 |
申请日期 |
2004.03.26 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
FUKUI, ATSUSHI;TORIMAE, MARIKO;KUSUMOTO, YASAYUKI;TARUI, HISAKI |
分类号 |
H01M4/64;H01M4/70;B05D5/12;H01M4/1395;H01M4/36;H01M4/38;H01M4/62;H01M4/66;H01M10/05 |
主分类号 |
H01M4/64 |
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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