发明名称 |
POROUS POLYOLEFIN FILM, BATTERY SEPARATOR OBTAINED USING SAME, AND PROCESSES FOR PRODUCING THESE |
摘要 |
A polyolefin porous membrane comprising protrusions of polyolefin having a size (W) within a range of 5 µm ‰¤ W ‰¤ 50 µm and a height (H) within a range of 0.5 µm ‰¤ H, and randomly disposed on one side of the polyolefin porous membrane in density not less than 3 /cm 2 and not more than 200 /cm 2 , the polyolefin porous membrane having a thickness of not more than 20 µm. Considering that battery separators will require further thinner materials and lower costs in the future, a battery separator, in which a polyolefin porous membrane with exceptionally high peel strength against a modified porous layer, suitable for high-speed processing during slit process and battery assembly process, and suitable for laminating on a modified porous layer, and a modified porous layer are laminated, is provided. |
申请公布号 |
EP2963083(A1) |
申请公布日期 |
2016.01.06 |
申请号 |
EP20140756512 |
申请日期 |
2014.02.12 |
申请人 |
TORAY BATTERY SEPARATOR FILM CO., LTD. |
发明人 |
MIZUNO, NAOKI;MATANO, KOICHI |
分类号 |
C08J9/28;B29C37/00;B29C47/00;B29C47/06;B29C47/88;B29K105/04;B29L9/00;B29L31/34;B32B5/32;B32B27/32;C08J5/18;C08J7/04;H01M2/14;H01M2/16;H01M10/0525 |
主分类号 |
C08J9/28 |
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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