PASTE COMPOSITION FOR CATALYST LAYER FORMATION, TRANSFER SHEET FOR MANUFACTURING CATALYST LAYER-ELECTROLYTE MEMBRANE LAMINATE, AND CATALYST LAYER-ELECTROLYTE MEMBRANE LAMINATE

摘要

PROBLEM TO BE SOLVED: To provide a transfer sheet for easily manufacturing a catalyst layer-electrolyte membrane laminate, and to provide a paste composition for catalyst layer formation for manufacturing the transfer sheet.

SOLUTION: The paste composition for catalyst layer formation is characterized in that it is obtained by mixing hydrogen-ion conductive polymer electrolyte and an organic solvent in a catalyst-carrying carbon particle dispersed aqueous solution and (1) the organic solvent has a solubility parameter of 9 to 12 and a boiling point of 60 to 150°C.

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