Apparatus for improving the performance of a fuel cell electric power system
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United States of America Patent
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Dec 15, 2009
Grant Date -
Nov 11, 2004
app pub date -
May 6, 2003
filing date -
May 6, 2003
priority date (Note) -
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Abstract
Current pulsing improves the performance of fuel cells in a fuel cell stack based power system. Voltage clamping limits the voltage peaks that occur after a current pulse. In a hybrid power system, an electric storage device supplies the loads during current pulsing. The electric storage device may sink current to achieve the voltage clamping, and/or power system may employ other the voltage clamping circuits.
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