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:
Apr. 02, 2019
Filed:
Aug. 19, 2016
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/86 (2006.01); H01M 8/1004 (2016.01); H01M 4/92 (2006.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 4/8626 (2013.01); H01M 4/8657 (2013.01); H01M 4/92 (2013.01); H01M 2008/1095 (2013.01);
Abstract
In one embodiment, a membrane electrode assembly comprises a catalyst layer being porous and containing a catalyst material, the catalyst layer comprising a plurality of catalyst units each having a porous body structure or a laminated structure containing a void layer, and an electrolyte membrane adjacent to the porous catalyst layer. The catalyst unit bites into the electrolyte membrane, and an average biting ratio is not less than 10%, and not more than 80% of a thickness of the catalyst layer.