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:
Aug. 18, 2020
Filed:
Mar. 08, 2016
The Doshisha, Kyoto, JP;
Ishifuku Metal Industry Co., Ltd., Tokyo, JP;
Minoru Inaba, Kyoto, JP;
Hideo Daimon, Kyoto, JP;
Kosuke Okuno, Kyoto, JP;
Shunya Higuchi, Kyoto, JP;
Yuki Matsui, Kyoto, JP;
Naoya Aoki, Saitama, JP;
Hideo Inoue, Saitama, JP;
Takehito Nishikawa, Saitama, JP;
THE DOSHISHA, Tokyo, JP;
Abstract
A platinum core-shell catalyst that uses palladium (Pd) as a core metal, or a platinum catalyst containing platinum and a metal besides platinum is manufactured industrially on a mass scale. The platinum catalyst is supported on carbon and has excellent oxygen reduction activity. The platinum catalyst is made for a fuel cell by bringing about the presence of a chemical species imparting higher potential than the initial oxide formation potential of the platinum of the platinum catalyst, and by bringing about the presence of a chemical species imparting lower potential than the initial oxide formation potential of the platinum of the platinum catalyst. The manufacture is carried out in a dispersion solution of the platinum catalyst dispersed in an acidic solution containing protons.