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:
Dec. 01, 2009
Filed:
Nov. 08, 2005
Applicants:
Hideo Daimon, Ibaraki, JP;
Kohei Ugawa, Ibaraki, JP;
Masaki Sekine, Ibaraki, JP;
Inventors:
Assignee:
Hitachi Maxell, Ltd., Ibaraki-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell includes a fuel electrode, an oxygen electrode, and a polymer electrolyte membrane placed between the fuel electrode and the oxygen electrode. The fuel electrode and/or the oxygen electrode include a catalyst composed of a particle containing at least Pt and P and a carbon support.