COATING LIQUID FOR FORMING CATALYST ELECTRODE LAYER AND MEMBRANE ELECTRODE ASSEMBLY

摘要

PROBLEM TO BE SOLVED: To provide a coating liquid for forming a catalyst electrode layer capable of efficiently using noble metals and reducing a cost.

SOLUTION: The coating liquid for forming the catalyst electrode layer being used in a solid polymer electrolyte fuel cell is provided, and the coating liquid for forming the catalyst electrode layer using carbon nanotubes having the outer surface area of 100 m2/g or more is used.

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