METHOD FOR GENERATING A CATALYST-CONTAINING ELECTRODE LAYER
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United States of America Patent
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app pub date -
May 2, 2012
filing date -
Nov 3, 2009
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Abstract
A method for generating a catalyst-containing electrode layer on a substrate, particularly a catalyst layer for fuel cells or other chemical or electrochemical reactors, comprising the following steps: (A) generating an electrode layer on the substrate, wherein the electrode layer contains carrier particles for the catalyst to be deposited thereon; and simultaneously or subsequently: (B) depositing the catalyst on at least a portion of the carrier particles present in the electrode layer generated according to step (A) with decomposition of a catalyst precursor present not only superficially in the electrode layer, without external application of an electric current, an electric voltage, or an electric field, wherein no washing step takes place that could cause a discharge of the catalyst from the layer.
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