发明名称 |
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME |
摘要 |
A nonaqueous electrolyte secondary battery includes: a positive electrode 4 including a positive electrode current collector and a positive electrode material mixture layer containing a positive electrode active material and a binder and provided on the positive electrode current collector; a negative electrode 5; a porous insulating layer 6 interposed between the positive electrode 4 and the negative electrode 5; and a nonaqueous electrolyte. The positive electrode 4 has a tensile extension percentage of 3.0% or more. The binder is made of copolymer containing vinylidene fluoride and hexafluoropropylene. |
申请公布号 |
EP2323201(A4) |
申请公布日期 |
2012.01.11 |
申请号 |
EP20090812825 |
申请日期 |
2009.07.15 |
申请人 |
PANASONIC CORPORATION |
发明人 |
MURAOKA, YOSHIYUKI;TANAKA, MIHO;KUBOTA, KAZUNORI |
分类号 |
H01M4/02;H01M4/13;H01M4/62;H01M4/66;H01M4/70;H01M10/0587 |
主分类号 |
H01M4/02 |
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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