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Performance improvement by temperature control of an open-cathode PEM fuel cell system

AuthorsStrahl, Stephan ; Perrier, M.; Husar, Attila ; Serra, Maria ; Riera, Jordi
Issue Date2013
CitationFDFC 2013
AbstractThe work presented in this article combines experimental analysis and theoretical studies of temperature effects on the performance of an open-cathode, self-humidified PEM fuel cell system for the design of optimization strategies. The experimental analysis shows the great potential of improving the system performance by proper temperature management. The most significant temperature dependent parameters of the system under study are the activation polarization and the water content of the ionomer of the catalyst layer. An Extremum seeking control algorithm is proposed to regulate the temperature to a voltage maximum. However, the slow dynamics of the temperature related catalyst-drying effect on performance complicate the optimal thermal management via model-free control strategies.
DescriptionPresentado a la 5th International Conference on Fundamentals & Developments of Fuel Cells celebrada en Karlsruhe (Alemania) del 16 al 18 de abril de 2013.
Publisher version (URL)http://fdfc2013.eifer.uni-karlsruhe.de/
Appears in Collections:(IRII) Comunicaciones congresos
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