MODEL OPTIMIZATION AND SIMULATION BASED ON PEMFC SYSTEM

Wang Xiaolong; Li Mengda; Li Wanli; Pei Guangyao

doi:10.19912/j.0254-0096.tynxb.2024-0691

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (8) : 263-268. DOI: 10.19912/j.0254-0096.tynxb.2024-0691

MODEL OPTIMIZATION AND SIMULATION BASED ON PEMFC SYSTEM

Wang Xiaolong, Li Mengda, Li Wanli, Pei Guangyao

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Abstract

In order to improve the efficiency of the proton exchange membrane fuel cell system, the existing Nernst electromotive force model was improved according to the actual stack performance and the working principle of PEMFC. By combining mechanism modeling and identification modeling methods, a new PEMFC system model with higher efficiency and better stability was established. The model was simulated, verified and analyzed based on Matlab platform. The results show that the new PEMFC system model can visually reflect the changing trends of the stack output voltage, output power, and battery efficiency affected by parameters such as temperature, hydrogen-oxygen ratio, and pressure difference. Compared with the traditional PEMFC system model, it has significant improvements in battery efficiency, endurance, and stability.

Key words

hydrogen fuel cell / PEMFC system model / Nernst electromotive force / polarization reaction

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Wang Xiaolong, Li Mengda, Li Wanli, Pei Guangyao. MODEL OPTIMIZATION AND SIMULATION BASED ON PEMFC SYSTEM[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 263-268 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0691

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