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COUCHE DE CATALYSEUR D'ÉLECTRODE ET PILE À COMBUSTIBLE À POLYMÈRE SOLIDE
COUCHE DE CATALYSEUR D'ÉLECTRODE ET PILE À COMBUSTIBLE À POLYMÈRE SOLIDE
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摘要
Provided are an electrode catalyst layer for a polymer electrolyte fuel cell, which is capable of improving drainage property and gas diffusion properties and capable of high output, and a polymer electrolyte fuel cell provided with the same. An electrode catalyst layer (2, 3) bonded to a polymer electrolyte membrane (1) includes a catalyst (13), carbon particles (14), a polymer electrolyte (15) and fibrous material (16), in which the electrode catalyst layer (2,3) has a density falling within a range of 500 mg/cmto 900 mg/cm, or has a density falling within a range of 400 mg/cmto 1000 mg/cm, and the mass of the polymer electrolyte (15) falls within a range of 10 mass% to 200 mass% with respect to the total mass of the carbon particles (14)and the fibrous material (16).
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