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:
Feb. 08, 2011
Filed:
Jan. 29, 2008
Kohta Yamada, Tokyo, JP;
Shinji Terazono, Tokyo, JP;
Kohta Yamada, Tokyo, JP;
Shinji Terazono, Tokyo, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
To provide a membrane/electrode assembly and a method for operating a polymer electrolyte fuel cell, whereby power generation will not be terminated even when the power generation is initiated in such an environment that the temperature of the membrane/electrode assembly is at most 0° C. A membrane/electrode assemblyfor polymer electrolyte fuel cells, which comprises an anodeand a cathodeeach having a catalyst layercontaining a proton-conductive fluoropolymer (A), and a polymer electrolyte membranecontaining a proton-conductive fluoropolymer (B), disposed between the anodeand the cathode, wherein each of the above proton-conductive fluoropolymer (A) and the above proton-conductive fluoropolymer (B) has an ion exchange capacity of from 1.4 to 1.8 meq/g dry resin, and each of the above proton-conductive fluoropolymer (A) and the above proton-conductive fluoropolymer (B) has a water content of at most 150 mass %.