Patent ID: 9257725
Filing Date: 2016-02-09
CPC Classification: C09D,D06N,H01M,Y02E

Claim Text:
1. A separator utilized in a lithium battery, comprising: a non-woven polyester support; a porous layer of polyvinylidene fluoride (PVDF) or its derivatives formed on the non-woven polyester support; and a layer of polydimethylsiloxane (PDMS) directly formed on top of the porous layer of polyvinylidene fluoride (PVDF) or its derivatives, wherein the layer of polydimethylsiloxane (PDMS) has a coating weight of 19.4-36.4 g/m wherein the polydimethylsiloxane (PDMS) is a cross-linked polydimethylsiloxane.