发明名称 |
Non-aqueous electrolyte secondary battery |
摘要 |
Disclosed is a non-aqueous electrolyte secondary battery having an electrode group in which a positive electrode and a negative electrode are spirally wound with a separator interposed therebetween. The positive electrode contains a positive electrode active material and a binder. The positive electrode active material contains a mixture of two different particulate substances having different average particle sizes. The two different particulate substances are lithium composite metal oxides containing nickel as an essential element. The binder includes fluorocarbon resin and rubber particles. The fluorocarbon resin contains at least a vinylidene fluoride unit. The amount of the rubber particles per 100 parts by weight of the fluorocarbon resin is 1 to 25 parts by weight.
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申请公布号 |
US2006115730(A1) |
申请公布日期 |
2006.06.01 |
申请号 |
US20050262927 |
申请日期 |
2005.11.01 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TANIGUCHI AKIHIRO;SUZUKI KOHEI;TSUTSUMI SHUJI;TAKENO MITSUHIRO;WATANABE KOZO;TAKEUCHI TAKASHI;SAITO TAKAYA |
分类号 |
H01M4/62;H01M4/52 |
主分类号 |
H01M4/62 |
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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