发明名称 |
NEGATIVE ELECTRODE CARBON MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING 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 width ”½ G 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. |
申请公布号 |
EP2479823(A1) |
申请公布日期 |
2012.07.25 |
申请号 |
EP20100817265 |
申请日期 |
2010.09.16 |
申请人 |
JX NIPPON OIL & ENERGY CORPORATION |
发明人 |
SUZUKI, TAKASHI;SAKAMOTO, AKIO;TANO, TAMOTSU;NAKANISHI, KAZUHISA;OYAMA, TAKASHI |
分类号 |
H01M4/587;C01B31/04;H01M10/0525 |
主分类号 |
H01M4/587 |
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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