Apparatus and method of in situ catalyst degradation detection during fuel cell operation
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United States of America Patent
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Jun 28, 2016
Grant Date -
Jun 20, 2013
app pub date -
Dec 20, 2011
filing date -
Dec 20, 2011
priority date (Note) -
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Abstract
Disclosed herein are catalyst degradation detection assemblies and methods of catalyst degradation detection that can be performed in-situ. One embodiment of an in-situ fuel cell catalyst degradation detection assembly comprises a humidified hydrogen supply configured to supply humidified hydrogen to an anode of a fuel cell, a humidified nitrogen supply configured to supply humidified nitrogen to a cathode of the fuel cell, a collection cell containing a liquid, the collection cell configured to receive either cathode exhaust from the fuel cell through a cathode exhaust line or anode exhaust from the fuel cell through an anode exhaust line and means for detecting a gas.
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