Patent ID: 9005843
Filing Date: 2015-04-14
Classification: C08J,H01B,H01M,Y02E,Y02P

Abstract:
1. A polymer electrolyte composition comprising a polymer blend of (A) a sulfonated block copolymer and (B) a non-sulfonated aromatic polymer, (A) the sulfonated block copolymer comprising (i) a hydrophilic segment with sulfonic acid groups, and (ii) a hydrophobic segment with no sulfonic acid groups, (i) the hydrophilic segment comprising: wherein, wherein, (ii) the hydrophobic segment comprising an aromatic ring residue in its main chain; (B) the non-sulfonated aromatic polymer being an aromatic polymer having no sulfonic acid groups and having the same structural unit as the structural unit contained in the hydrophobic segment of said sulfonated block copolymer;