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Coated steel bipolar plates

  • US 20070015029A1
  • Filed: 07/12/2005
  • Published: 01/18/2007
  • Est. Priority Date: 07/12/2005
  • Status: Active Grant
First Claim
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1. A device comprising an electrochemical conversion assembly, said electrochemical conversion assembly comprising a plurality of electrochemical conversion cells and a plurality of electrically conductive bipolar plates, wherein:

  • said electrochemical conversion cells are configured to communicate with first and second reactant supplies;

    adjacent ones of said electrochemical conversion cells are separated by respective ones of said plurality of bipolar plates;

    said bipolar plates comprise an alloy comprising Fe and Cr;

    respective surface portions of said bipolar plates comprise graphitic layers characterized predominantly by sp2 hybridized carbon-carbon bonding; and

    respective graphite layers of said bipolar plates are in contact with portions of said electrochemical conversion cells.

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