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:
Jul. 26, 2016

Filed:

Jan. 18, 2013
Applicant:

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

Inventors:

Koichiro Furusawa, Wako, JP;

Nobutaka Nakajima, Wako, JP;

Kaoru Yamazaki, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04231 (2013.01); H01M 8/04097 (2013.01); H01M 8/04388 (2013.01); H01M 8/04559 (2013.01); H01M 8/04753 (2013.01); H01M 8/04955 (2013.01); Y02E 60/50 (2013.01);
Abstract

In a method for stopping an operation of a fuel cell system, supply of a fuel gas to an anode side of a fuel cell provided in the fuel cell system is stopped. A fuel exhaust gas discharged from the fuel cell is recirculated to the anode side of the fuel cell. An oxidant-exhaust-gas discharge path through which an oxidant exhaust gas is to be discharged from the fuel cell is sealed at a downstream position of a connecting portion at which the oxidant-exhaust-gas discharge path is connected to an oxidant-exhaust-gas recirculation path. The oxidant exhaust gas is recirculated to a cathode side of the fuel cell through the oxidant-exhaust-gas recirculation path. Recirculation of the fuel exhaust gas is stopped. Recirculation of the oxidant exhaust gas is stopped. An oxidant-gas supply path through which an oxidant gas is to be supplied to the fuel cell is sealed.


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