| 发明名称 |
ROLL OF MICROPOROUS FILM AND PROCESS FOR PRODUCTION THEREOF |
| 摘要 |
<p>A microporous membrane winding includes a microporous membrane wound around a core. The core has an outer diameter of 5 inches or greater, and has an outer surface with a surface roughness of 3.0 µm or less. A microporous membrane that is excellent in thickness uniformity and is favorably used as a separator for a lithium-ion secondary battery can be obtained from the microporous membrane winding.</p> |
| 申请公布号 |
EP2352188(B1) |
申请公布日期 |
2014.11.05 |
| 申请号 |
EP20100811898 |
申请日期 |
2010.08.25 |
| 申请人 |
ASAHI KASEI E-MATERIALS CORPORATION |
发明人 |
INAGAKI, DAISUKE;TAKEDA, HISASHI;INABA, SHINTARO |
| 分类号 |
H01M2/16;H01G11/52;H01M2/14;H01M2/18;H01M10/0525 |
主分类号 |
H01M2/16 |
| 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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