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:
May. 12, 2009
Filed:
Feb. 17, 2005
Applicants:
Seiji Sugiura, Utsunomiya, JP;
Masaaki Nanaumi, Utsunomiya, JP;
Hiroshi Shinkai, Utsunomiya, JP;
Shuhei Goto, Utsunomiya, JP;
Inventors:
Seiji Sugiura, Utsunomiya, JP;
Masaaki Nanaumi, Utsunomiya, JP;
Hiroshi Shinkai, Utsunomiya, JP;
Shuhei Goto, Utsunomiya, JP;
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/02 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell includes a membrane electrode assembly and first and second metal separators. The first metal separator has first outer protrusions provided outside an oxygen-containing gas flow field. The second metal separator has second outer protrusions provided outside a fuel gas flow field. The first and second protrusions sandwich outer edges of electrode catalyst layers.