发明名称 |
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY |
摘要 |
A non-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte; and a porous insulating film adhered to a surface of at least one selected from the group consisting of the positive electrode and the negative electrode, the porous insulating film including an inorganic oxide filler and a film binder, wherein the ratio R of actual volume to apparent volume of the separator is not less than 0.4 and not greater than 0.7, and wherein the ratio R and a porosity P of the porous insulating film satisfy the relational formula: -0.10‰¦R-P‰¦0.30. |
申请公布号 |
EP1659650(A1) |
申请公布日期 |
2006.05.24 |
申请号 |
EP20050721258 |
申请日期 |
2005.03.22 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
INOUE, KAORU;KATO, KIYOMI;SUZUKI, KOHEI;IKUTA, SHIGEO;FUKUMOTO, YUSUKE;HAYASHI, TETSUYA |
分类号 |
H01M2/16;H01M4/131;H01M4/133;H01M10/0525;H01M10/36 |
主分类号 |
H01M2/16 |
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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