发明名称 |
Dreilagiger, mikroporöser Batterieseparator und Herstellungsverfahren |
摘要 |
<p>A trilayer shutdown battery separator is provided having two strength layers sandwiching a shutdown layer that is made by a particle stretch method. The preferred method of making such a trilayer separator comprises: making microporous strength layers; forming a microporous shutdown layer by a particle stretch method; and bonding two microporous strength layers and one microporous shutdown layer into the trilayer battery separator wherein the first and third layers are strength layers, and the second membrane is a microporous shutdown layer made by a particle stretch method. <IMAGE></p> |
申请公布号 |
DE69900190(T2) |
申请公布日期 |
2002.03.14 |
申请号 |
DE1999600190T |
申请日期 |
1999.04.01 |
申请人 |
CELGARD INC., BURLINGTON |
发明人 |
YU, TA-HUA |
分类号 |
B29C55/06;B32B27/20;H01M2/16;H01M6/50;(IPC1-7):H01M2/16;B32B27/32;B29C55/02;B01D67/00;B01D71/26 |
主分类号 |
B29C55/06 |
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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