发明名称 |
SEPARATOR FOR ALKALINE BATTERY, METHOD FOR PRODUCING THE SAME, AND BATTERY |
摘要 |
Provided is a separator for alkaline batteries which can not only prevent batteries from internal short circuit by inhibiting the dendrite formation at anode, but also enables to have a low electrical resistance. The separator for alkaline batteries comprises a composite sheet in which a base layer comprising a wet-type nonwoven material formed from alkaline resistant fibers is covered with a nanofiber layer comprising a modified polyvinyl alcohol fiber which has a fiber diameter of 10 to 1000 nm and a liquid absorption amount by fibers of 4.0 to 40.0 g/g after immersion in a 35% aqueous solution of KOH.
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申请公布号 |
US2010310921(A1) |
申请公布日期 |
2010.12.09 |
申请号 |
US20070517840 |
申请日期 |
2007.12.07 |
申请人 |
KURARAY CO., LTD. |
发明人 |
HAYAKAWA TOMOHIRO;INADA SHINYA;HAYASHI HIDEO;KAWAI HIROYUKI;NISHIYAMA MASAKAZU |
分类号 |
H01M2/16;B29C47/00 |
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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