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Technique and apparatus to detect carbon monoxide poisoning of a fuel cell stack

  • US 20070141406A1
  • Filed: 12/19/2005
  • Published: 06/21/2007
  • Est. Priority Date: 12/19/2005
  • Status: Abandoned Application
First Claim
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1. A method usable with a fuel cell stack, comprising:

  • determining a cell voltage profile based on cell voltages of a fuel cell stack;

    determining an average cell voltage based on cell voltages of the fuel cell stack; and

    detecting carbon monoxide poisoning of the fuel cell stack based on the cell voltage profile and the average cell voltage.

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