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:
Feb. 02, 2021
Filed:
Nov. 28, 2018
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Satoshi Takata, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/0228 (2016.01); H01M 8/0215 (2016.01); H01M 8/0221 (2016.01); H01M 8/0206 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0228 (2013.01); H01M 8/0206 (2013.01); H01M 8/0215 (2013.01); H01M 8/0221 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A fuel cell separator having high corrosion resistance even in an environment where fluoride ions are present, which is a fuel cell separator comprising a metal base material, a tin oxide film provided on a surface of the metal base material, and a conductive polymer film provided at least on an area exposed due to a defect present on the tin oxide film on the surface of the metal base material.