POLYMER ELECTROLYTE, POLYMER ELECTROLYTE FILM AND POLYARYLENE COMPOUND

摘要

PROBLEM TO BE SOLVED: To provide a polymer electrolyte with which a polymer electrolyte film can be obtained, the polymer electrolyte film achieving a fuel cell having good power-generating performance and long-term stability.

SOLUTION: The polymer electrolyte contains a polyarylene compound. The polyarylene compound has a divalent aromatic group having a six-membered ring containing nitrogen and sulfur atoms. The polyarylene compound also has a divalent aromatic group having a six-membered ring containing at least one group selected from the group consists of a group represented as -S-, a group represented as -SO- and a group represented as -S+=.

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