Composition for electrolyte membrane, solid polymer electrolyte membrane, method for producing the electrolyte membrane, membrane-electrode assembly, polymer electrolyte fuel cell, water electrolysis cell, and water electrolysis apparatus

摘要

The present invention relates to a composition for an electrolyte membrane, a solid polymer electrolyte membrane, a method for producing the electrolyte membrane, a membrane-electrode assembly, a solid polymer fuel cell, a water electrolysis cell, and a water electrolysis apparatus. The composition for an electrolyte membrane includes a polymer (A) having an ion exchange group and a polymer (B) having an arylene sulfide skeleton and soluble in an organic solvent.