H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01)
Patent
CA 2656517
The present invention relates to the use of the A286 alloy grade for the manufacture of a sheet, optionally surfaced, making it possible to obtain a conducting plate of mono polar or bipolar type for a fuel cell element. The invention also relates to this optional surface treatment process, which comprises a cold-rolling step followed by a continuous annealing step in an oxidizing atmosphere and by an acid pickling step.
L'invention concerne l'utilisation de la nuance d'alliage A286 pour la fabrication d'une tôle, facultativement plaquée, qui permet d'obtenir une plaque conductrice de type monopolaire ou bipolaire pour un élément de pile à combustible. L'invention concerne aussi un procédé de traitement facultatif de surface, qui comprend une étape de laminage à froid suivie d'une étape de recuit dans une atmosphère oxydante et d'une étape de décapage à l'acide.
Bousquet Richard
Claude Eric
Platen Gilles
Roussel Claude
Alfa-Laval Corporate Ab
Arcelormittal- Stainless & Nickel Alloys
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des
Smart & Biggar
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