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:
Feb. 02, 2010
Filed:
Sep. 19, 2003
Applicants:
Takeshi Obata, Tokyo, JP;
Tsutomu Yoshitake, Tokyo, JP;
Yoshimi Kubo, Tokyo, JP;
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell () which has an electrode-electrolyte joined article () composed of a fuel electrode (), an oxidizing agent electrode () and, sandwiched thereby, a solid polymer electrolyte (), characterized in that a separation film () comprising a material exhibiting an oxygen/nitrogen separation factor of more than 1 is provided on the surface of an oxidizing agent electrode side current collector () constituting the oxidizing agent electrode (). The fuel cell is a liquid fuel supply type of fuel cell which has a simple structure and also is capable of supplying satisfactory oxygen to an oxidizing agent electrode.