发明名称 |
NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME, AND NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY USING THE SAME, AND LITHIUM SECONDARY BATTERY |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a negative electrode material which is inexpensively produced and allows production of a lithium secondary battery excellent in various battery properties in a balanced manner even when used at a high electrode density. <P>SOLUTION: A graphite powder is used having a tap density of not less than 0.80 g/cm<SP>3</SP>and not more than 1.35 g/cm<SP>3</SP>, a surface functional group amount, O/C value, of not less than 0 and not more than 0.01, a BET specific surface area of not less than 2.5 m<SP>2</SP>/g and not more than 7.0 m<SP>2</SP>/g, and a Raman R-value of not less than 0.02 and not more than 0.05. <P>COPYRIGHT: (C)2011,JPO&INPIT |
申请公布号 |
JP2011181505(A) |
申请公布日期 |
2011.09.15 |
申请号 |
JP20110087777 |
申请日期 |
2011.04.11 |
申请人 |
MITSUBISHI CHEMICALS CORP |
发明人 |
FUSE TORU;UONO HIROYUKI;YAMAGUCHI KEITA;KAMATA TOMIYUKI |
分类号 |
H01M4/587;C01B31/04;H01M4/36;H01M4/58;H01M10/0525;H01M10/36 |
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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