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:
Jul. 04, 2017
Filed:
Jan. 28, 2014
Santoku Corporation, Kobe-shi, Hyogo, JP;
National University Corporation Hokkaido University, Sapporo-shi, Hokkaido, JP;
Nobuaki Ohguri, Tokyo, JP;
Hiroshi Takano, Ichihara, JP;
Tadatoshi Murota, Kobe, JP;
Motofumi Matsuda, Kobe, JP;
Tatsuya Takeguchi, Sapporo, JP;
SANTOKU CORPORATION, Kobe-Shi, Hyogo, JP;
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo-Shi, Hokkaido, JP;
Abstract
A positive electrode catalyst, for use in a positive electrode in a device provided with the positive electrode and a negative electrode, in which a reaction represented by 4OH→O+2HO+4eis performed on a side of the positive electrode. The positive electrode catalyst includes a layered metal oxide, wherein the layered metal oxide is a Ruddlesden-Popper type layered perovskite represented by (LaA) (FeB)(SrC)Owherein, A is a rare earth element other than La, B is a transition metal other than Fe, and C is an alkaline earth metal other than Sr; and x satisfies an expression: 0≦x<1, y satisfies an expression: 0≦y<1, z satisfies an expression: 0≦z<1, and a satisfies an expression: 0≦a≦3.