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:
Dec. 13, 2022
Filed:
Jun. 14, 2019
Tanaka Kikinzoku Kogyo K.k., Tokyo, JP;
Osaka University, Osaka, JP;
Koichi Matsutani, Kanagawa, JP;
Takeshi Kaieda, Kanagawa, JP;
Yasushi Masahiro, Tokyo, JP;
Hideaki Kasai, Osaka, JP;
Hiroshi Nakanishi, Osaka, JP;
Koji Shimizu, Osaka, JP;
TANAKA KIKINZOKU KOGYO K.K., Tokyo, JP;
OSAKA UNIVERSITY, Osaka, JP;
Abstract
Provided are (i) a catalyst that has a core-shell structure and is highly active in an oxygen reduction reaction, which is a cathode reaction of a fuel cell, and (ii) a reaction acceleration method in which the catalyst is used. A core-shell catalyst for accelerating an oxygen reduction reaction, contains: silver or palladium as a core material; and platinum as a shell material, the core-shell catalyst having, on a surface thereof, a (110) surface of a face centered cubic lattice.