Fuel cell system and method for detecting running out of fuel in fuel cell
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United States of America Patent
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Issued Date -
Jul 27, 2006
app pub date -
Mar 22, 2004
filing date -
Apr 24, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A secondary battery is connected to a fuel cell, the fuel cell is disconnected from a load when the output of the fuel cell falls, and the load is activated with the secondary battery. When the remaining capacity of the secondary battery decreases and becomes less than or equal to a first level, an indicator for indicating running out of fuel is turned on to require refueling. When the remaining capacity becomes less than or equal to a second level, the load is disconnected even from the secondary battery.
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