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:
May. 03, 2022
Filed:
Sep. 06, 2019
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
Yuta Ikehata, Ann Arbor, MI (US);
Masaya Kobayashi, Aichi, JP;
Tomoyuki Nagai, Ann Arbor, MI (US);
Hongfei Jia, Ann Arbor, MI (US);
Hisao Kato, Aichi, JP;
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC., Plano, TX (US);
Abstract
An oxygen reduction reaction (ORR) catalyst, a membrane-electrode assembly and a polymer electrolyte membrane fuel cell containing the catalyst are provided. The ORR catalyst is a solid catalyst on a carbon support and the solid catalyst contains platinum metal or a platinum alloy metal having a surface complexed with a monodentate thiol ligand comprising an aromatic or heteroaromatic ring containing at least one of a bromide and an iodide substituent.