| 发明名称 |
NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND ITS MANUFACTURING METHOD |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a negative electrode for lithium ion secondary battery excellent in charge and discharge cycle characteristic and its manufacturing method. <P>SOLUTION: Sn coating is formed on a surface of a negative electrode collector of a copper foil by Sn plating, and a porous Sn oxide film is formed on the Sn coating by applying anodic oxidation processing to the surface of the Sn coating. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2007087789(A) |
申请公布日期 |
2007.04.05 |
| 申请号 |
JP20050275413 |
申请日期 |
2005.09.22 |
| 申请人 |
HITACHI CABLE LTD |
发明人 |
SASAKI HAJIME;KODAIRA MUNEO |
| 分类号 |
H01M4/02;B82Y99/00;H01M4/04;H01M4/13;H01M4/139;H01M4/38;H01M4/48;H01M4/66;H01M10/05 |
主分类号 |
H01M4/02 |
| 代理机构 |
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