Fuel cell manager
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 15, 2002
Issued Date -
N/A
app pub date -
Nov 7, 2000
filing date -
Jul 5, 1996
priority date (Note) -
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Abstract
A controller controls a switch bank which can shunt a voltage source in parallel with each fuel cell in a stack. By controlling the voltage of the voltage source, the current through the fuel cell is directly controlled. By increasing the anode potential of the fuel cell through control of the voltage source, poisons deposited on the electrocatalyst are removed, thereby rejuvenating the fuel cell. Each fuel cell in a stack can be treated in turn, causing a reduction of the effects of electrocatalyst poison on stack performance.
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