Patent ID: 9570773
Date: 2017-02-14
CPC Classifications: C08J,C08L,C09D,H01B,H01M,Y02E

Claim:
1. A fluorine-based polymer electrolyte membrane comprising a microporous membrane and a fluorine-based polymer electrolyte contained in a pore of the microporous membrane, wherein the microporous membrane has a pore distribution with a at least two maxima of distribution in a pore diameter range of 0.3 μm to 5.0 μm, one maximum being from 0.5 to 1.0 μm and another being from 1.0 to 3.0 μm, and wherein the fluorine-based polymer electrolyte is a polymer electrolyte (component A) having an ion exchange capacity of 0.5 to 3.0 meq/g.