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. 30, 2007
Filed:
Oct. 31, 2005
Applicants:
Kaoru Fukuda, Saitama, JP;
Ryoichiro Takahashi, Saitama, JP;
Junji Matsuo, Saitama, JP;
Inventors:
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A membrane electrode assembly for solid polymer electrolyte fuel cell includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane sandwiched by these electrodes, the catalyst layer of cathode electrode contains a Pt—Co catalyst that is Pt—Co alloys supported by an electrical conductive material, and crystalline carbon fibers, improving the catalyst activity and controlling the oxidization corrosion reaction of the catalyst carrier can be carried out, and providing a high initial performance and superior durability.