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. 18, 2018
Filed:
Mar. 27, 2015
Applicant:
Riken, Wako-shi, Saitama, JP;
Inventors:
Ryuhei Nakamura, Wako, JP;
Kazuhito Hashimoto, Tokyo, JP;
Akira Yamaguchi, Tokyo, JP;
Hirotaka Kakizaki, Tokyo, JP;
Toru Hayashi, Tokyo, JP;
Assignee:
RIKEN, Wako-shi, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 1/04 (2006.01); C25B 9/06 (2006.01); C25B 11/16 (2006.01); C25B 11/04 (2006.01);
U.S. Cl.
CPC ...
C25B 1/04 (2013.01); C25B 9/06 (2013.01); C25B 11/0452 (2013.01); C25B 11/16 (2013.01); Y02E 60/366 (2013.01);
Abstract
Provided is a catalyst that exhibits a high catalyst activity in a water oxidation reaction within a neutral range. A water splitting catalyst comprises at least one 3d-block transition metal element selected from manganese, iron, cobalt, nickel, and copper or a compound containing the element, and a base and/or a carbonate having a pKa of 8 or less.