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. 30, 2024
Filed:
Aug. 20, 2021
Applicant:
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
Inventors:
Assignees:
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/90 (2006.01); H01M 4/92 (2006.01); H01M 50/497 (2021.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 4/8605 (2013.01); H01M 4/8657 (2013.01); H01M 4/8807 (2013.01); H01M 4/9033 (2013.01); H01M 4/921 (2013.01); H01M 50/497 (2021.01);
Abstract
Disclosed herein are membrane-electrode assemblies and fuel cells comprising an anode comprising a first catalyst; a cathode comprising a second catalyst; and a proton exchange membrane between the anode and cathode; wherein at least one of the proton exchange membrane, anode, and cathode comprise an antioxidant comprising yttrium doped cerium oxide and a metal doped cerium oxide that has a faster release time of cerium ions compared to yttrium doped cerium oxide.