Freezing detection method for fuel cell
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 21, 2012
app pub date -
Feb 23, 2012
filing date -
Feb 27, 2008
priority date (Note) -
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Abstract
In a method for detecting the freezing of water within a fuel cell, precise detection can be performed using a phenomenon specific to the time when water starts to freeze to allow a reduction in erroneous activation. Detection at an early stage after the start of freezing is allowed, and hence measures can be taken against an output reduction before the water within the fuel cell completely freezes.
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