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:
Jul. 19, 2016
Filed:
Nov. 18, 2010
Applicants:
Kenji Tsubosaka, Susono, JP;
Hitoshi Hamada, Gotenba, JP;
Manabu Kato, Susono, JP;
Inventors:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2016.01); H01M 8/02 (2016.01); H01M 8/04 (2016.01); H01M 4/86 (2006.01); H01M 8/12 (2016.01); H01M 8/14 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0236 (2013.01); H01M 4/8652 (2013.01); H01M 4/8657 (2013.01); H01M 8/0226 (2013.01); H01M 8/0228 (2013.01); H01M 8/0245 (2013.01); H01M 8/04149 (2013.01); H01M 8/0234 (2013.01); H01M 2008/1095 (2013.01); H01M 2008/1293 (2013.01); H01M 2008/147 (2013.01); H01M 2250/20 (2013.01); Y02E 60/50 (2013.01); Y02E 60/525 (2013.01); Y02E 60/526 (2013.01); Y02T 90/32 (2013.01);
Abstract
A fuel cell includes: a membrane-electrode assembly in which electrode catalyst layers are formed on two sides of an electrolyte membrane; and a cerium-containing layer that is formed at an outer side of at least one of the two surfaces of the membrane-electrode assembly, and that contains a cerium-containing oxide in an amount that is greater than 5 wt % and less than or equal to 30 wt % where 100 wt % is an amount of solid components except the cerium-containing oxide which form the cerium-containing layer.