Membrane electrode assembly for polymer electrolyte fuel cell and polymer electrolyte fuel cell
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United States of America Patent
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Oct 21, 2014
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app pub date -
Oct 24, 2007
filing date -
Nov 2, 2006
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Abstract
The present invention provides a membrane electrode assembly for a polymer electrolyte fuel cell, including: an electrolyte membrane; a catalyst layer; and a conductive porous gas diffusion layer, in which an interface between the catalyst layer and the electrolyte membrane is provided with a groove for allowing one of passage and retention of a fluid, and a polymer electrolyte fuel cell employing the membrane electrode assembly. As a result, there is provided at low costs the membrane electrode assembly for a polymer electrolyte fuel cell having improved drainage performance and the polymer electrolyte fuel cell employing the membrane electrode assembly and having stable power generation performance.
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