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. 28, 2021
Filed:
Mar. 04, 2019
Applicant:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute, JP;
Inventors:
Hiroaki Wakayama, Nagakute, JP;
Nobuaki Suzuki, Nagakute, JP;
Hajime Murata, Nagakute, JP;
Kiyoshi Yamazaki, Nagakute, JP;
Assignee:
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0228 (2016.01); C25B 13/04 (2021.01); H01M 8/1018 (2016.01); C25B 1/04 (2021.01); C25B 9/73 (2021.01);
U.S. Cl.
CPC ...
H01M 8/0228 (2013.01); C25B 1/04 (2013.01); C25B 9/73 (2021.01); C25B 13/04 (2013.01); H01M 8/1018 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A bipolar plate includes a substrate and a coating film that is formed at least on a part of a surface of the substrate. The coating film includes a phosphide having a composition represented by MTiP, where M is any one or more elements selected from the group consisting of Ni, Co, Fe, Mn and Cr, and 0.1≤x≤1.9. The coating film preferably includes two kinds or more of the metal elements M, and preferably has a thickness ranging from 0.05 μm or greater to 100 μm or less.