Device and method for supplying hydrogen to a fuel cell, and the use thereof for electric vehicle traction
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United States of America Patent
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Dec 25, 2007
Grant Date -
Dec 16, 2004
app pub date -
Sep 5, 2002
filing date -
Sep 5, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device used to supply a gas mixture including hydrogen and carbon monoxide at a concentration not exceeding 100 ppm to a main fuel cell which is supplied with air. The device includes a reformer, which is used to convert a fuel into a gas mixture including carbon monoxide and hydrogen, and a purification device to diminish the concentration of carbon monoxide in the gas mixture and that is connected to an anode inlet of the main fuel cell. The supply device also includes an auxiliary fuel cell supplied with air and that receives the carbon monoxide produced by the reformer to convert part of the chemical energy of the carbon monoxide into electrical energy.
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