POLYMER ELECTROLYTE COMPOSITION AND POLYMER ELECTROLYTE MEMBRANE

摘要

Provided is a polymer electrolyte composition which can be used to obtain a polymer electrolyte membrane enabling the implementation of a fuel cell having excellent long-term stability, said polymer electrolyte composition being characterized by containing a polymer electrolyte and at least one type of sulfur-containing aromatic compound from a group comprising four types of sulfur-containing aromatic compound.