Method for operating fuel cell and fuel cell system
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United States of America Patent
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Mar 23, 2010
Issued Date -
N/A
app pub date -
Jun 21, 2004
filing date -
Jun 30, 2003
priority date (Note) -
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Abstract
A method for operating a direct methanol fuel cell is provided. The fuel cell includes a fuel cell main body having a fuel electrode and an air electrode disposed in opposing positions on either side of an electrolyte film. In this method, an aqueous methanol solution is supplied directly to the fuel electrode. A quantity of the aqueous methanol solution supplied is controlled in accordance with an electric current value drawn from the fuel cell main body so as to minimize a quantity of unused methanol within a discharge fluid discharged from the fuel electrode.
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