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ENCRE DE CATALYSEUR CONTENANT UN ALCOOL EN C5-C10 OU UN ACIDE CARBOXYLIQUE, ET PROCÉDÉ DE FABRICATION DE MEA
ENCRE DE CATALYSEUR CONTENANT UN ALCOOL EN C5-C10 OU UN ACIDE CARBOXYLIQUE, ET PROCÉDÉ DE FABRICATION DE MEA
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摘要
Methods and compositions for making fuel cell components are described. In one embodiment, the method comprises providing a substrate, and forming or adhering an electrode on the substrate, wherein the forming includes depositing an aqueous mixture as catalyst ink comprising water, a water-insoluble component, a catalyst, and an ionomer. The water-insoluble component comprises a water-insoluble C5-C10 alcohol, a C5-C10 water-insoluble carboxylic acid, or a combination thereof. The use of such water-insoluble components results in a stable liquid medium with reduced reticulation upon drying, reduced dissolution of the substrate, and reduced penetration of the pores of the substrate.
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