Capacitor hybrid fuel cell power generator
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United States of America Patent
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app pub date -
Jun 28, 2006
filing date -
Oct 18, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrical power generator comprising at least one fuel cell and at least one capacitor electrically coupled together in parallel is operated in a manner that reduces stress on the fuel cell and prolongs fuel cell operating life. The operation comprises: monitoring a current drawn by a load; monitoring a voltage across the capacitor; and operating the fuel cell to generate an electrical output within a target output range when either the monitored current or voltage are within a respective selected current and voltage range, the fuel cell output supplying the load and/or recharging the capacitor. The capacitor is configured to discharge stored electrical energy to the load when the load exceeds the target output range.
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