Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 14, 2009
Patent Application Number
11035184
Date Filed
January 13, 2005
Patent Primary Examiner
Patent abstract
A system and method for controlling an electrochemical conversion assembly are provided. The system is configured such that operation of one or both of the second reactant supply and the temperature controller responds to the cathode-side RH signal to a degree sufficient to maintain relative humidity within the second flowfield portion within a suitable humidification range. The suitable humidification range is a function of the degree to which the vapor barrier layers inhibit the migration of water molecules from the membrane electrode assembly.
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