Catalyst layer
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United States of America Patent
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Feb 5, 2013
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N/A
app pub date -
Jun 19, 2008
filing date -
Jun 20, 2007
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Abstract
A porous catalyst layer formed from discrete particles of unsupported metal, wherein at least 80%, suitably at least 90%, of the discrete particles have a mass of from 1 to 1000 zeptograms, and wherein the catalyst layer has a metal volume fraction of less than 30% and a metal loading of less than 0.09 mg/cm2 is disclosed. The catalyst layer is suitable for use in fuel cells and other electrochemical applications.
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