Metallic material for conductive member, separator for fuel...

Details Metallic material for conductive member, separator for fuel... Metallic material for conductive member, separator for fuel...

C - Chemistry, Metallurgy

22

C

C22C 38/44 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2559589

Provided are: a metallic material for conductive member, having good corrosion resistance and small contact resistance; a separator for a proton-exchange membrane fuel cell using the metallic material; and a proton-exchange membrane fuel cell using the separator. The metallic material has 0. 3 µm or less of mean spacing of local peaks of the surface roughness profile.

Un matériau métallique pour un élément conducteur excellent de par sa résistance à la corrosion et qui démontre une faible résistance de contact ; un séparateur pour une pile à combustible de polymères solides utilisant celui-ci et une pile à combustible de polymères solides incluant le séparateur. En particulier, le matériau métallique a une surface dont l~espacement moyen des crêtes locales est <= 0,3 µm.

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