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:
Jan. 11, 2022
Filed:
Feb. 25, 2020
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Yuta Kanai, Meguro, JP;
Norihiro Yoshinaga, Yokohama, JP;
Taishi Fukazawa, Kawasaki, JP;
Wu Mei, Yokohama, JP;
Assignee:
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/90 (2006.01); H01M 8/1004 (2016.01); H01M 4/92 (2006.01);
U.S. Cl.
CPC ...
H01M 4/9058 (2013.01); H01M 4/921 (2013.01); H01M 8/1004 (2013.01); H01M 2250/20 (2013.01);
Abstract
According to an embodiment, a laminated catalyst includes a first catalyst layer mainly including a noble metal mainly containing Pt, a second catalyst layer mainly including a mixture of an oxide of a noble metal mainly containing Ir and Ru and a noble metal mainly containing Pt, and a third catalyst layer mainly including an oxide of a noble metal mainly containing Ir and Ru The first catalyst layer, the second catalyst layer, and the third catalyst layer are laminated in order.