发明名称 |
MICROPOROUS MEMBRANE, BATTERY SEPARATOR AND BATTERY |
摘要 |
Disclosed herein is multi-layer, microporous polyolefin membrane comprising a first porous layer comprising primarily a polyethylene, and a second porous layer comprising a polyethylene and polypropylene, the polypropylene having a weight-average molecular weight of 6 x 105 or more and a heat of fusion (measured by a differential scanning calorimeter) of 90 J/g or more, a fraction of the polypropylene having a molecular weight of 5 x 104 or less being 5% or less by mass. |
申请公布号 |
KR20090057295(A) |
申请公布日期 |
2009.06.04 |
申请号 |
KR20097006439 |
申请日期 |
2007.08.31 |
申请人 |
TONEN CHEMICAL CORPORATION |
发明人 |
OZAKI HIROYUKI;KIMISHIMA KOTARO;KONO KOICHI;BRANT PATRICK;BRINEN JEFFREY L.;LIN ZERONG |
分类号 |
H01M2/16;B32B27/08;C08J9/22;H01M10/36 |
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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