Abstract

Abstract Facing the dual problems of environmental pollution and energy shortage, PEMFC has become a research hotspot because of its high energy conversion efficiency and non-pollution. In this paper, theoretical voltage and various loss voltages of PEMFC were analyzed in detail, and PEMFC was modeled in Simulink using an empirical formula. The influence of temperature, gas pressure, and film water content on output characteristics of PEMFC was explored by using the control variable method, and it was concluded that the parameter values of the three could be improved within a certain range. Both can improve the output characteristics of PEMFC, which provides certain reference significance for the control of PEMFC.

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