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. 01, 2026
Filed:
Aug. 22, 2023
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Nobuhiro Miyata, Osaka, JP;
Haruhiko Shintani, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/22 (2006.01); H01M 4/92 (2006.01); H01M 12/06 (2006.01);
U.S. Cl.
CPC ...
H01M 4/926 (2013.01); H01M 12/06 (2013.01); H01M 2300/0082 (2013.01);
Abstract
An electrode catalyst according to the present disclosure includes a mesoporous material and catalyst metal particles which are supported in at least an inner portion of the mesoporous material and which contain platinum and a metal different from platinum. The mesoporous material has mesopores having a mode radius of greater than or equal to 1 nm and less than or equal to 25 nm and a pore volume of greater than or equal to 1.0 cm/g and less than or equal to 3.0 cm/g. The catalyst metal particles which are supported have an L1structure. The proportion of the L1structure is greater than 0.25.