发明名称 |
Anode Material for Lithium Secondary Batteries and Lithium Secondary Batteries |
摘要 |
The present invention is to provide a lithium ion secondary battery that realizes to raise an initial charge and discharge efficiency without deteriorating its charge and discharge characteristic in comparison with the conventional technology. A carbon material and a lithium ion secondary battery using the carbon material as the anode material, wherein the face interval d002 of the carbon material determined by an X ray diffraction apparatus is not less than 0.340 nm and not more than 0.370 nm, and further, V1/V2 representing a ratio of a volume V1 of pores having diameters from not less than 1 nm to less than 10 nm in the carbon material with respect to a volume V2 of pores having diameters from not less than 10 nm to less than 100 nm therein is not more than 0.2.
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申请公布号 |
US2010009260(A1) |
申请公布日期 |
2010.01.14 |
申请号 |
US20090500914 |
申请日期 |
2009.07.10 |
申请人 |
HITACHI CHEMICAL COMPANY, LTD. |
发明人 |
TANAKA AKIHIDE;HONBOU HIDETOSHI |
分类号 |
H01M4/58 |
主分类号 |
H01M4/58 |
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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