Fuel cell separator and method for manufacturing the same
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United States of America Patent
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Jan 3, 2012
Grant Date -
May 8, 2008
app pub date -
Sep 8, 2005
filing date -
Sep 10, 2004
priority date (Note) -
Expired
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Abstract
There is provided a fuel cell separator having a very good anticorrosiveness and electrical conductivity. A fuel cell separator includes: a base formed of a steel which contains 10.5 mass % or more of Cr; a metal film formed on the surface of the base; and an intermediate layer formed between the base and the metal film, the intermediate layer containing oxygen. The metal film is composed of Au or Pt, and the intermediate layer contains Fe and Cr which are contained in the steel and Au or Pt composing the metal film.
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