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Fuel cell flooding detection and correction

United States Patent

6,103,409
August 15, 2000
View the Complete Patent at the US Patent & Trademark Office
Method and apparatus for monitoring an H.sub.2 -O.sub.2 PEM fuel cells to detect and correct flooding. The pressure drop across a given H.sub.2 or O.sub.2 flow field is monitored and compared to predetermined thresholds of unacceptability. If the pressure drop exists a threshold of unacceptability corrective measures are automatically initiated.
DiPierno Bosco; Andrew (Rochester, NY), Fronk; Matthew Howard (Honeoye Falls, NY)
General Motors Corporation (Detroit, MI)
09/ 021,213
February 10, 1998
The Government of the United States of America has rights in this invention pursuant to contract No. DE-AC02-90CH10435 awarded by the United States Department of Energy.