发明名称 |
CARBON MATERIAL FOR NEGATIVE ELECTRODE OF LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME |
摘要 |
To provide a negative electrode carbon material capable of suppressing capacity degradation which will occur due to repetition of a charge/discharge cycle, storage under a charged state, float charging, or the like. An artificial graphite for a negative electrode of a lithium secondary battery having a c-axis crystallite size L (112) of from 2.0 to 4.2 nm as calculated from a (112) diffraction line obtained by X-ray wide-angle diffractometry and having a half-value widthΔνG of from 15 to 19 cm−1 for a peak appearing in a wavelength region of from 1580 cm−1±100 cm−1 in the Raman spectroscopy using an argon ion laser light having a wavelength of 5145 angstrom.
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申请公布号 |
US2012171572(A1) |
申请公布日期 |
2012.07.05 |
申请号 |
US201213422513 |
申请日期 |
2012.03.16 |
申请人 |
SUZUKI TAKASHI;SAKAMOTO AKIO;TANO TAMOTSU;NAKANISHI KAZUHISA;OYAMA TAKASHI;JX NIPPON OIL & ENERGY CORPORATION |
发明人 |
SUZUKI TAKASHI;SAKAMOTO AKIO;TANO TAMOTSU;NAKANISHI KAZUHISA;OYAMA TAKASHI |
分类号 |
H01M4/583;C01B31/00;H01M10/052 |
主分类号 |
H01M4/583 |
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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