Transition metal nitride, fuel cell separator, method for...

Details Transition metal nitride, fuel cell separator, method for... Transition metal nitride, fuel cell separator, method for...

B - Operations, Transporting

32

B

B32B 15/01 (2006.01) B60L 11/18 (2006.01) H01M 2/14 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2597164

A transition metal nitride comprises a first layer formed of a nitride of a steel containing at least Fe ad Cr and second layer formed on a first layer and having an exposed surface. The transition metal nitride has a composition distribution in which Cr concentration is continuously changed from the first layer to the second layer in a thickness direction of these layers. A fuel separator comprises a base layer formed of a stainless steel containing at least Fe and Cr and a nitride layer formed of a transition metal nitride as described. Methods of forming transition metal nitrides and fuel cell separators are also included, as is a fuel cell vehicle including a fuel cell stack.

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