US Patent 7976991 Relative humidity control for a fuel cell
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Patent abstract
A model uses various operating characteristics of a fuel cell to predict the relative humidity profile that is occurring within the fuel cell as a function of the reaction progress. The model is used to predict the relative humidity profile that will occur in response to changes to one or more of the operating characteristics of the fuel cell. A high frequency resistance of the fuel cell can also be used as a measure that is indicative of the humidity within the fuel cell. The model and/or the high frequency resistance can be used in a closed-loop feedback system to control the operation of the fuel cell to maintain the humidification of the MEA and fuel cells within a desired range to achieve a desired fuel cell performance.
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Patent Inventor Names
John C. Fagley0
Lee C. Whitehead0
Steven G. Goebel0
William H. Pettit0
Edits on 23 May, 2023
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US Patent 07976991 Relative humidity control for a fuel cell US Patent 7976991 Relative humidity control for a fuel cell
Infobox
Patent Number
079769910
Patent Number
79769910
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079769910
Date of Patent
July 12, 2011
0Patent Application Number
111308250
Date Filed
May 17, 2005
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 07976991 Relative humidity control for a fuel cell
Infobox
Is a
Patent jurisdiction
Patent number
07976991
Date of patent
July 12, 2011
Patent application number
11130825
Date Filed
May 17, 2005
Patent primary examiner
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