发明名称 |
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY |
摘要 |
[Object] To provide a non-aqueous electrolyte secondary battery which can efficiently discharge the gas generated to the outside of the electrode and exhibits a low decrease in battery capacity even when used for a long period of time in the case of using an aqueous binder as the binder of a negative electrode active material. [Solving Means] Provided is a non-aqueous electrolyte secondary battery having a power generating element including a positive electrode in which a positive electrode active material layer is formed on a surface of a positive electrode current collector, a negative electrode in which a negative electrode active material layer is formed on a surface of a negative electrode current collector, and a separator, wherein the density of the negative electrode active material layer is from 1.3 to 1.6 g/cm 3 , the negative electrode active material layer contains an aqueous binder, and the surface center line average roughness (Ra) of a surface on a separator side of the negative electrode active material layer is from 0.5 to 1.0 µm. |
申请公布号 |
EP2980885(A4) |
申请公布日期 |
2016.02.17 |
申请号 |
EP20140774682 |
申请日期 |
2014.03.26 |
申请人 |
NISSAN MOTOR CO., LTD;AUTOMOTIVE ENERGY SUPPLY CORPORATION |
发明人 |
YAMAGUCHI, RYUUTA;HONDA, TAKASHI;HAGIYAMA, KOUSUKE;MATSUZAKI, IKUMA;MIYAMOTO, TAKESHI;SHIMAMURA, OSAMU;MATSUMOTO, KEISUKE |
分类号 |
H01M4/13;H01M2/18;H01M4/62;H01M10/052;H01M10/0565 |
主分类号 |
H01M4/13 |
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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