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Optimization of PEM Fuel Cell System Using Dynamic Model

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Abstract:

The output power efficiency of the fuel cell system depends on the anode pressure, cathode pressure, temperature, demanded current, air and hydrogen humidity. Thus, it is necessary to determine the optimal operation condition for maximum power efficiency. In this paper, we developed a dynamic model of fuel cell system which contains mass flow model, membrane hydration and electro-chemistry model. Experiments have been performed to evaluate the dynamical Polymer Electrolyte Membrane Fuel Cell (PEMFC) stack model. In order to determine the maximum output power and minimum use of hydrogen in a certain condition, response surface methodology optimization based on the proposed PEMFC stack model is presented. The results provide an effective method to optimize the operation condition under varied situations.

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Periodical:

Applied Mechanics and Materials (Volumes 26-28)

Pages:

1019-1026

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.26-28.1019

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Online since:

June 2010

Authors:

Dong Ji Xuan, Zhen Zhe Li, Tai Hong Cheng, Yun De Shen

Keywords:

Dynamic Modelling, Optimization, PEM Fuel Cell, Response Surface Method (RSM)

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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