Patent ID: 8187734
Filing Date: 2012-05-29
Classification: C08G,C08L,H01M,Y02E,Y02P

Abstract:
1. A proton-conducting polymer composition comprising an aromatic hydrocarbon-based proton-conducting polymer and at least one solvent, wherein the content of said proton-conducting polymer is in the range of 1 to 30 mass %, wherein a component of said proton-conducting polymer having a molecular weight in the range of 2000 to 23000 in terms of polyethylene glycol accounts for at least 10 mass % of the total amount of said proton-conducting polymer, wherein said aromatic hydrocarbon-based proton-conducting polymer comprises a sulfonated polyarylene ether-based polymer, and wherein said aromatic hydrocarbon-based proton-conducting polymer comprises a component represented by the following formula (5) wherein Ar′ is selected from a bivalent aromatic group and Z is selected from direct bonding, ether bonding, and thioether bonding.