H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01) C25B 9/00 (2006.01)
Patent
CA 2368887
Component such as cell frame and/or pole plate for a fuel cell with reduced contact resistance, and method for reducing the contact resistance The invention makes it possible to combine the advantages of a precious-metal coating, which, for example, reduces the contact resistance between pole plate and current collector of a fuel cell, with low production costs. This becomes possible since it has been established that a sufficient and sometimes even improved reduction in the contact resistance of a component to a contact element is achieved even with a minimal precious-metal coating which is by no means continuous.
L'invention permet d'associer les avantages d'un revêtement par un métal noble, qui diminue par exemple la résistance de contact entre la plaque polaire et le collecteur de courant d'une pile à combustible, à des coûts de production faibles. Ceci a été rendu possible par la découverte du fait qu'on obtient une diminution suffisante et parfois même meilleure de la résistance de contact entre un composant et un élément de contact en utilisant un revêtement par un métal noble minimal voire discontinu.
Forderer Heinz
Hornung Regina
Jeschonnek Bernd
Waidhas Manfred
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
W.c. Heraeus Gmbh & Co. Kg
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