发明名称 |
LITHIUM SECONDARY BATTERY |
摘要 |
A lithium secondary battery of this invention includes: a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; a separator; and a non-aqueous electrolyte. The negative electrode active material includes a first portion capable of absorbing and desorbing lithium ions and a second portion covering at least a part of a surface of the first portion. The second portion includes at least one material that is less reactive with oxygen than the first portion.
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申请公布号 |
US2009104515(A1) |
申请公布日期 |
2009.04.23 |
申请号 |
US20080255963 |
申请日期 |
2008.10.22 |
申请人 |
FUJIKAWA MASATO;TAKEZAWA HIDEHARU;NAKAI MIYUKI |
发明人 |
FUJIKAWA MASATO;TAKEZAWA HIDEHARU;NAKAI MIYUKI |
分类号 |
H01M10/36;H01M2/14 |
主分类号 |
H01M10/36 |
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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