2006•Jisuanji fangzhenRequires access

Modeling and Dynamic Simulation of a Proton Exchange Membrane Fuel Cell

Zhu Xin-jian

Abstract

In order to improve the design and the performance of a proton exchange membrane fuel cell(PEMFC),it is necessary to carry out an investigation on the electrical performances of PEMFC stack.A parametric model of a PEMFC stack has been developed with Simulink@MATLAB to evaluate how the major operating variables affect the dynamic output performances and the nonlinear internal resistance of a stack.Dynamic simulations and analyses are performed in MATLAB for the response of the output voltage,the output power,the consumed power and the efficiency of the PEMFC stack,when the output current of a stack is a step change.Comprehensive results of simulation which are in accordance with the experimental data [7] show that this parametric model is operational,effective and is also feasible to study the control of the PEMFC.

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Key concepts: Proton exchange membrane fuel cell, Stack (abstract data type), MATLAB, Parametric statistics, Nonlinear system, Power (physics), Voltage, Control theory (sociology)