SOLID POLYMER ELECTROLYTE FILM, AND FUEL CELL USING IT

摘要

PROBLEM TO BE SOLVED: To provide a technique for realizing desired water retentivity, in a solid polymer electrolyte film.

SOLUTION: A reinforcing material having hydrophilicity and water retentivity is used as a constituent member of this solid polymer electrolyte film 20. The reinforcing material is shaped into a mesh-like or porous form.

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