发明名称 |
Modified graphite particles and battery using the same |
摘要 |
Modified graphite particles are described, which have an almost circular and tabular shape, an average particle size Ap of 12 to 18 mu m, a BET specific surface area Ss of 4 to 6 m<2>/g, and a BET specific surface area to average particle size ratio, Ss/Ap, of 0.35 or less, and which are obtained by treating tabular particles of lumpy or flaky graphite to break or slightly fold the periphery of said tabular particles to increase the degree of circularity. A battery having the modified graphite particles as an anode active material is also described. |
申请公布号 |
EP1170252(A2) |
申请公布日期 |
2002.01.09 |
申请号 |
EP20010305754 |
申请日期 |
2001.07.03 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD.;THE KANSAI ELECTRIC POWER CO., INC.;MARUTOYO CHUZAI SEISAKUSHO CO., LTD. |
发明人 |
MAJIMA, MASATOSHI;INAZAWA, SHINJI;UJIIE, SATOSHI;YAGASAKI, ERIKO;DANJO, KAZUHARU;HOMMA, SHINICHI |
分类号 |
C01B31/04;H01M4/587;H01M10/05 |
主分类号 |
C01B31/04 |
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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