发明名称 |
Negative electrode for lithium ion secondary battery, production method thereof and lithium ion secondary battery comprising the same |
摘要 |
A negative electrode for a lithium ion secondary battery including a current collector and an active material layer carried on the current collector, wherein the active material layer includes a first layer and a second layer alternately laminated in a thickness direction of the active material layer, and wherein the first layer includes silicon or silicon and a small amount of oxygen and the second layer includes silicon and a larger amount of oxygen than the first layer. With the use of the negative electrode, it is possible to provide a high capacity lithium ion secondary battery having excellent high rate charge/discharge characteristics and superior cycle characteristics.
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申请公布号 |
US2006134518(A1) |
申请公布日期 |
2006.06.22 |
申请号 |
US20050301027 |
申请日期 |
2005.12.13 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KOGETSU YASUTAKA;HONDA KAZUYOSHI;SATO TOSHITADA;YOSHIZAWA HIROSHI |
分类号 |
H01M4/38;H01M4/131;H01M4/1391;H01M4/1395;H01M4/48;H01M4/485;H01M4/52;H01M4/525;H01M10/0525;H01M10/0587;H01M10/36 |
主分类号 |
H01M4/38 |
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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