Metal bipolar plate
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United States of America Patent
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Jan 24, 2006
Grant Date -
Feb 26, 2004
app pub date -
Apr 6, 2001
filing date -
Apr 6, 2000
priority date (Note) -
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Abstract
The invention relates to a metal bipolar plate for a fuel cell, provided with a low-ohmic chemically stable coating. According to the invention, said coating is a multi-phase coating, at least in the region of the contacting outer surface thereof. One phase is a metal phase and/or α phase belonging thereto and another phase is a compound phase consisting of one or several metals of the metal phase and one of the elements N,O,C,B.
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