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:
May. 29, 2018
Filed:
Jun. 30, 2014
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Vincent Braillard, Clermont-Ferrand, FR;
Gino Paganelli, Clermont-Ferrand, FR;
Antonio Delfino, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
The invention relates to a method for stopping a polymer electrolyte membrane fuel-cell stack and to a system containing a fuel-cell stack implementing such a method. The system comprises a gas circuit and a stack of electrochemical cells forming a fuel-cell stack comprising a polymer ion exchange membrane, said circuit comprising: a fuel-gas supply circuit () connecting a fuel-gas tank to the anode of the fuel-cell stack; and an oxidant-gas supply circuit () connecting an oxidant-gas tank, or atmospheric air, to the cathode of the fuel-cell stack; characterized in that the system furthermore comprises means able to completely eliminate hydrogen present at the anode of the fuel-cell stack.