发明名称 |
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, VEHICLE, AND DEVICE USING BATTERY |
摘要 |
Disclosed is a nonaqueous electrolyte secondary battery which comprises a flat wound electrode body wherein a positive electrode plate, which comprises a positive electrode collector foil and a positive electrode active material layer, and a negative electrode plate, which comprises a negative electrode collector foil and a negative electrode active material layer, are wound up with a separator being interposed therebetween. The positive electrode plate has a collector portion covering layer that has electrical insulation properties and covers at least a part of a counter collector portion in the longitudinal direction in a positive electrode collector portion. The collector portion covering layer covers at least a counter collector innermost half-cylinder portion which forms the innermost part of the counter collector portion and has a half-cylindrical shape. |
申请公布号 |
CA2793854(C) |
申请公布日期 |
2014.10.14 |
申请号 |
CA20102793854 |
申请日期 |
2010.05.18 |
申请人 |
TOYOTA JIDOSHA KUBUSHIKI KAISHA |
发明人 |
SAITO, TAIRA;SUZUKI, SATORU |
分类号 |
H01M10/0587;H01M4/13;H01M10/0566 |
主分类号 |
H01M10/0587 |
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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