The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2013
Filed:
Dec. 19, 2008
Shinji Terazono, Chiyoda-ku, JP;
Kohta Yamada, Chiyoda-ku, JP;
Hiroshi Shimoda, Chiyoda-ku, JP;
Widjaja Hardiyanto, Chiyoda-ku, JP;
Shinji Terazono, Chiyoda-ku, JP;
Kohta Yamada, Chiyoda-ku, JP;
Hiroshi Shimoda, Chiyoda-ku, JP;
Widjaja Hardiyanto, Chiyoda-ku, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
A membrane/electrode assemblyfor a polymer electrolyte fuel cell, which comprises an anodehaving an anode catalyst layercontaining an anode catalyst and an ion-exchange resin, a cathodehaving a cathode catalyst layercontaining a cathode catalyst and an ion-exchange resin, and a polymer electrolyte membranedisposed between the anodeand the cathode, wherein the anode catalyst is one having platinum or a platinum alloy supported on a carbon, and the amount of platinum or a platinum alloy supported in the anode catalyst is from 1 to 25 mass %; and the anode catalyst layercontains fine particles made of at least one member selected from iridium oxide, iridium, ruthenium oxide and ruthenium, and the fine particles have a specific surface area of from 2 to 50 m/g.