Technique and apparatus to detect carbon monoxide poisoning of a fuel cell stack
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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Abstract
A technique that is usable with a fuel cell stack includes determining a cell voltage profile of the fuel cell stack and determining an average cell voltage of the fuel cell stack. The technique includes detecting carbon monoxide poisoning of the fuel cell stack based on the cell voltage profile and the average cell voltage.
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Citations
20 Claims
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1. A method usable with a fuel cell stack, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A fuel cell system comprising:
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a fuel cell stack; and
a circuit to determine a cell voltage profile and an average cell voltage based on cell voltages of a fuel cell stack, and detect carbon monoxide poisoning of the fuel cell stack based on the cell voltage profile and the average cell voltage. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification