SOLID ELECTROLYTE AND ITS MANUFACTURING METHOD, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL

摘要

PROBLEM TO BE SOLVED: To provide a solid electrolyte having high ionic conductivity, low methanol diffusion capability, high strength, and durability.

SOLUTION: The solid electrolyte has carbon fluoride in a principal chain, an ionic conductivity of 0.01 S/cm or more, and a methanol diffusion coefficient of 4×10-7cm2/s or less.

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