Electrolyte membrane for fuel cells capable of preventing poisoning of catalyst and method of producing the same
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsByoungsu Kim, Bo Ki Hong
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Abstract
Disclosed are an electrolyte membrane for fuel cells that can prevent poisoning of catalysts and a method of producing the same. The electrolyte membrane for fuel cells includes an ion transport layer including an ionomer having proton conductivity, and a catalytic composite dispersed in the ion transport layer, wherein the catalytic composite includes a catalytic particle including a catalytic metal component having an activity of decomposing hydrogen peroxide, and a protective layer formed on at least a part of a surface of the catalytic particle to prevent the ionomer from contacting the catalytic metal component.
Claims18
An electrolyte membrane for fuel cells comprising:
- an ion transport layer comprising an ionomer having proton conductivity;
- and
- a catalytic composite dispersed in the ion transport layer,
- wherein the catalytic composite comprises:
- a catalytic particle comprising a catalytic metal component having an activity of decomposing hydrogen peroxide;
- and
- a protective layer formed on at least a part of a surface of the catalytic particle to prevent the ionomer from contacting the catalytic metal component.
Dependencies are inferred from the claim text.