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:
Sep. 11, 2012
Filed:
Feb. 05, 2008
Applicants:
Yasushi Araki, Gotemba, JP;
Kimihide Horio, Aichi-ken, JP;
Inventors:
Yasushi Araki, Gotemba, JP;
Kimihide Horio, Aichi-ken, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 4/86 (2006.01);
U.S. Cl.
CPC ...
Abstract
A membrane-electrode assembly () is characterized by including an electrolytic membrane () having proton conductivity and a first electrode () jointed on the electrolytic membrane. The first electrode has a catalyst () and a first ionomer () covering the catalyst and acting as a proton exchange group. A ratio of water-generation amount (mol/min) at rated output point of the membrane-electrode assembly/volume (cm) of the first ionomer in the first electrode is 1350 or larger.