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:
Mar. 17, 2015
Filed:
Apr. 04, 2012
Applicants:
Masao Utsunomiya, Utsunomiya, JP;
Teruyuki Ohtani, Tochigi-ken, JP;
Toshiki Kawamura, Niiza, JP;
Inventors:
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 8/02 (2006.01); C23C 24/04 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0228 (2013.01); H01M 8/0206 (2013.01); H01M 2008/1095 (2013.01); H01M 2250/20 (2013.01); C23C 24/04 (2013.01); Y02E 60/50 (2013.01); Y02T 90/32 (2013.01);
Abstract
A first metal separator and an electrolyte electrode assembly are stacked in a fuel cell. The first metal separator comprises a convex portion that abuts against the electrolyte electrode assembly, and a concave portion forming an oxygen-containing gas flow channel between the electrolyte electrode assembly and the concave portion. A gold coating layer is formed on the convex portion. The gold coating layer includes a main gold coating portion and a reticulate gold coating portion that extends around the main gold coating portion.