Invention Grant
US07868051B2 Separation membrane for fuel battery and process for producing the same 有权
燃料电池用分离膜及其制造方法

Separation membrane for fuel battery and process for producing the same
Abstract:
There are disclosed a membrane for a fuel cell in which voids in a porous membrane are filled with a crosslinking type ion exchange resin having both cation-exchange group and anion-exchange group via a covalent bond, wherein the ion exchange resin has ion-exchange groups with either polarity more than ion-exchange groups with the opposite polarity and at least 40% of the ion-exchange groups of the opposite polarity form ion complexes with the ion-exchange groups of the major polarity, as well as a producing process therefor.
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