Method for operating fuel cell
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United States of America Patent
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Nov 26, 1985
Grant Date -
N/A
app pub date -
Mar 7, 1985
filing date -
Mar 9, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In operating a fuel cell comprising an oxidizing agent chamber subject to supply of an oxidizing agent gas and a fuel chamber subjected to supply of a fuel gas, sintering of noble metal particles such as platinum black as an electrode catalyst can be prevented from sintering by connecting the fuel cell to an outside auxiliary load circuit and controlling the unit cell voltage to not more than 0.80 V at start or discontinuation to operate the fuel cell or during the operation of the fuel cell when an outside load becomes too low due to fluctuation of the outside load. The fuel cell performance can be improved thereby.
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