Importance

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Abstract

A manufacturing method for a fuel-cell membrane electrode assembly, which is excellent in handling property of a polymer electrolyte membrane, can prevent deformation of the polymer electrolyte membrane and the occurrence of a wrinkle therein, and allows efficient mounting of the polymer electrolyte membrane, a gas diffusion electrode, and/or a gas diffusion layer. The manufacturing method for a fuel-cell membrane electrode assembly includes a first gas diffusion electrode, a polymer electrolyte membrane, and a second gas diffusion electrode, the manufacturing method including: conveying the polymer electrolyte membrane, the first gas diffusion electrode, and/or the second gas diffusion electrode in a state of being bonded onto a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive strength which lowers through an external stimulus; and peeling off the pressure-sensitive adhesive sheet by lowering the pressure-sensitive adhesive strength of the pressure-sensitive adhesive sheet through application of the external stimulus to the pressure-sensitive adhesive sheet.

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First Claim