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:
Mar. 17, 2026
Filed:
Jul. 26, 2022
Riken, Saitama, JP;
Chiyoda Corporation, Kanagawa, JP;
Furukawa Electric Co., Ltd., Tokyo, JP;
Katsushi Fujii, Saitama, JP;
Kayo Koike, Saitama, JP;
Ryuhei Nakamura, Saitama, JP;
Satoshi Wada, Saitama, JP;
Dai Takeda, Kanagawa, JP;
Jun Matsumoto, Kanagawa, JP;
Eri Torikai, Kanagawa, JP;
Takahiro Yamamoto, Tokyo, JP;
Yu Mimura, Tokyo, JP;
Kiyoshi Yamamoto, Tokyo, JP;
Shinsuke Nishida, Tokyo, JP;
Abstract
The present disclosure provides a cathode electrode that can stably sustain a catalytic reaction producing an olefinic hydrocarbon such as ethylene and an alcohol such as ethanol by a reduction reaction of carbon dioxide over a long term. A cathode electrode that electrically reduces carbon dioxide, including cuprous oxide, copper, and at least one additional metal element selected from the group consisting of silver, gold, zinc, and cadmium.