Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yeh-Hung Lai0
Date of Patent
February 15, 2011
Patent Application Number
11466832
Date Filed
August 24, 2006
Patent Primary Examiner
Patent abstract
According to one embodiment of the present invention, a fuel cell life counter is configured to determine membrane degradation using fuel cell cycling data and S-N curve data for the membrane. According to another embodiment of the present invention, a method of managing remaining fuel cell life is provided where variables like membrane dehydration rate, water content, temperature, and heating/cooling rate are controlled as a function of the remaining life of the fuel cell. Additional embodiments are provided where fuel cell life counters and methods of managing remaining life are independent of S-N curve data and the use of fatigue life contour plots.
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