CPC C08J 5/2256 (2013.01) [C08G 73/1042 (2013.01); C08G 73/1075 (2013.01); H01M 8/103 (2013.01); H01M 8/1072 (2013.01); C08J 2379/08 (2013.01)] | 19 Claims |
1. A proton exchange membrane made of a crystalline sulfonated polyimide block copolymer, wherein the crystalline sulfonated polyimide block copolymer has a chemical structure as shown in Formula I:
![]() in which,
Ar1 group is an aromatic group containing a naphthyl group;
Ar2 group is an aromatic group containing at least one sulfonate group; and
x is in the range of 5-100, m is in the range of 1-200, and n is in the range of 5-500.
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