POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE USING SAME, MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL

摘要

The present invention provides polymer electrolyte that has the ion-exchange capacity of 1.7 meq/g or more and has the reduced viscosity of 160 mL/g or more at 40°C when being made to be 1 % by weight solution with at least one kind of solvent selected from the group consisting of N,N-dimethylformamide, N-methyl-2-pyrrolidone, dimethyl sulfoxide, N,N-dimethylacetamide, sulfolane, and ³-butyrolactone, and polymer electrolyte that has the ion-exchange capacity of 1.7 meq/g or more and the reduced viscosity of 160 mL/g or more at 40°C when being made to be 1 % by weight solution with at least one kind of solvent selected from the group consisting of N,N-dimethylformamide, N-methyl-2-pyrrolidone, and dimethyl sulfoxide.