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 |
KR20120044991(A) |
申请公布日期 |
2012.05.08 |
申请号 |
KR20127001916 |
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;C08J5/18;C08J9/00;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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