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. 07, 2021
Filed:
Mar. 26, 2019
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Satoshi Takata, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0217 (2016.01); H01M 8/0206 (2016.01); H01M 8/0223 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0217 (2013.01); H01M 8/0206 (2013.01); H01M 8/0223 (2013.01); H01M 8/10 (2013.01);
Abstract
A fuel cell separator having high corrosion resistance and electrical conductivity is provided. This fuel cell separator includes, on a substrate, a composite film containing an antimony-doped tin oxide and a tin-doped indium oxide, in which an element ratio of tin to indium (Sn/In) in the composite film is 1.4 or smaller.