发明名称 |
LITHIUM SECONDARY BATTERY SEPARATOR AND METHOD OF MANUFACTURING SAME |
摘要 |
Provided is a lithium secondary battery separator including a laminate of a substrate and a porous heat-resistant polyimide film which covers at least one surface of the substrate. The porous heat-resistant polyimide film has pores which are regularly arrayed three-dimensionally and a film thickness of 5-20 μm. Penetration damage to the separator by growth of dendrite-shaped lithium is avoided, and it is also possible to meet a request which is demanded of the lithium secondary battery separator. |
申请公布号 |
US2014329130(A1) |
申请公布日期 |
2014.11.06 |
申请号 |
US201114363713 |
申请日期 |
2011.12.09 |
申请人 |
Kanamura Kiyoshi;Munakata Hirokazu;Jin Yongcheng |
发明人 |
Kanamura Kiyoshi;Munakata Hirokazu;Jin Yongcheng |
分类号 |
H01M2/16;H01M10/052;H01M10/42 |
主分类号 |
H01M2/16 |
代理机构 |
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代理人 |
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主权项 |
1. A lithium secondary battery separator comprising a laminate consisting of a substrate and a porous heat-resistant polyimide film that coats at least one of surfaces of the substrate, wherein the polyimide film has three-dimensionally ordered pores and a film thickness of 5 to 20 μm. |
地址 |
Hachioji-shi JP |