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An electrochemical-based fuel-cell model suitable for electrical engineering automation approach

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4 Author(s)
J. M. Correa ; Colorado Sch. of Mines, Golden, CO, USA ; F. A. Farret ; L. N. Canha ; M. G. Simoes

This paper presents a dynamic electrochemical model for representation, simulation, and evaluation of performance of small size generation systems emphasizing particularly proton exchange membrane fuel-cell (PEMFC) stacks. The results of the model are used to predict the output voltage, efficiency, and power of FCs as a function of the actual load current and of the constructive and operational parameters of the cells. Partial and total load insertion and rejection tests were accomplished to evaluate the dynamic response of the studied models. The results guarantee a better analytical performance of these models with respect to former ones with a consequent reduction in time and costs of projects using FCs as the primary source of energy. Additionally, this electrochemical model was tested for the SR-12 Modular PEM Generator, a stack rated at 500 W, manufactured by Avista Laboratories, for the Ballard Mark V FC and for the BCS 500-W stack.

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IEEE Transactions on Industrial Electronics  (Volume:51 ,  Issue: 5 )