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.

Date of Patent:
Nov. 19, 2024

Filed:

Mar. 03, 2021
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Shuhei Goto, Wako, JP;

Akihito Giga, Wako, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0258 (2016.01); H01M 8/0206 (2016.01); H01M 8/0221 (2016.01); H01M 8/0228 (2016.01); H01M 8/0247 (2016.01); H01M 8/0267 (2016.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0258 (2013.01); H01M 8/0206 (2013.01); H01M 8/0221 (2013.01); H01M 8/0228 (2013.01); H01M 8/0247 (2013.01); H01M 8/0267 (2013.01); H01M 8/1004 (2013.01);
Abstract

A metal separator is stacked on each of both surfaces of a membrane electrode assembly to form a fuel cell. A method of producing the metal separator includes a metal plate processing step of producing a metal plate including a fluid passage and a fluid flow field, and a rubber adding step of adhering a plurality of rubber extension parts extending from the fluid passage toward the fluid flow field, to the metal plate. In the rubber adding step, a primer is coated on the metal plate in an island pattern, and the metal plate and the rubber extension parts are adhered together through the primer in a dot pattern.


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