Polymer electrolyte fuel cell and manufacturing method thereof
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United States of America Patent
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Issued Date -
Dec 8, 2005
app pub date -
Mar 21, 2005
filing date -
Mar 22, 2004
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Abandoned
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Abstract
A polymer electrolyte fuel cell comprises a catalyst layer; a cation exchange resin provided in the catalyst layer; a proton conductive path provided in the cation exchange resin; a carbon material provided in the catalyst layer; and a catalyst metal provided in the catalyst layer. 50 mass % or more of the catalyst metal is loaded on the contact surface between the proton conductive path and the carbon material, and the porosity of the catalyst layer is 65% to 87.5%.
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