Apparatus and method for hybrid power module systems
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United States of America Patent
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Apr 21, 2009
Grant Date -
Nov 10, 2005
app pub date -
Jun 23, 2004
filing date -
May 7, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hybrid power module suitable for use in an array of hybrid power modules comprises a fuel cell stack, an energy storage device, charger circuit operable to charge the energy storage device from the fuel cell stack and/or an external power source at approximately a defined voltage; a stack disconnect switch operable to provide and remove an electrical path between the fuel cell stack and a terminal of the power module, and a unidirectional current flow device electrically coupled to provide a unidirectional current path from the charger circuit to the terminal of the power module when forward biased.
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