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:
Aug. 26, 2014
Filed:
Jan. 31, 2011
Applicants:
Naoki Mitsuta, Saitama, JP;
Shintaro Tanaka, Saitama, JP;
Taku Eguchi, Saitama, JP;
Inventors:
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 4/86 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); Y02T 90/32 (2013.01); H01M 8/0258 (2013.01); H01M 4/8657 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/521 (2013.01); H01M 2250/20 (2013.01); H01M 8/1025 (2013.01); H01M 8/0254 (2013.01); H01M 8/1067 (2013.01); H01M 8/1039 (2013.01);
Abstract
A membrane electrode assembly for a polymer electrolyte fuel cell includes: a proton conductive membrane for conducting protons; electrode catalyst layers arranged at both sides of the proton conductive membrane containing catalyst particles and an electrode electrolyte; and gas diffusion layers arranged on the respective electrode catalyst layers, having a porous basic material. Further, intermediate layers each having a thickness of 2-6 μm are included, with noble metallic nanoparticles, an electrode electrolyte and carbon powder.