发明名称 |
MULTILAYER-STRUCTURED CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR MANUFACTURING MULTILAYER-STRUCTURED CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of improving trade-off relationships and exhibiting good performance in paste characteristics, initial efficiency, cycle characteristics, low temperature output, and the like. <P>SOLUTION: A multilayer-structured carbon material satisfying the following (a) and (b) is used for a nonaqueous electrolyte secondary battery negative electrode. (a) (Porosity calculated from DBP oil absorption)/(porosity calculated from tapping density) is less than 1.01. (b) Surface oxygen content (O/C) determined by x-ray photoelectron spectroscopy is 1.5 atomic% or greater. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2012109239(A) |
申请公布日期 |
2012.06.07 |
申请号 |
JP20110236216 |
申请日期 |
2011.10.27 |
申请人 |
MITSUBISHI CHEMICALS CORP |
发明人 |
YOKOMIZO MASAKAZU;FUSE TORU;SAITO YOSUKE;FUJIWARA MASASHI;KATO AKIHIRO |
分类号 |
H01M4/587;C01B31/04;H01M4/133;H01M4/1393;H01M4/36;H01M10/0525;H01M10/0566 |
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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