RESEARCH ON COLD START CONTROL STRATEGY AND CONSISTENCY OF PEMFC STACK

Shao Jiaxiong; Niu Zhigang; Chen Xing; Zhao Fuqiang

doi:10.19912/j.0254-0096.tynxb.2024-0418

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (7) : 521-529. DOI: 10.19912/j.0254-0096.tynxb.2024-0418

Special Topics of Academic Papers at the 82th Annual Meeting of the China Association for Science and Technology

RESEARCH ON COLD START CONTROL STRATEGY AND CONSISTENCY OF PEMFC STACK

Shao Jiaxiong¹, Niu Zhigang¹, Chen Xing¹, Zhao Fuqiang²

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Abstract

A dynamic cold start model for single-channel proton exchange membrane fuel cell （PEMFC） is established, and its feasibility is verified through experiments. A cold start control strategy based on adjusting the output characteristics is proposed, and the cold start performance of single-channel PEMFCs under this strategy is analyzed. Furthermore, a PEMFC stack model is established based on single cells, and the consistency of PEMFC stacks is investigated. The research results demonstrate that at 243.15 K, the proposed strategy can achieve successful cold start of single-channel PEMFCs within 30 s, while at 248.15 K, successful cold start of PEMFC stacks can be achieved within 25 s. During the cold start process, differences in temperature, icing conditions, and output voltage are observed among individual cells in the PEMFC stack. The output characteristics of single cells at both ends determine the cold start result of the stack.

Key words

proton exchange membrane fuel cells （PEMFC） / cold start / current density / freezing / particle swarm optimization （PSO） / control strategy / consistency of performance

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Shao Jiaxiong, Niu Zhigang, Chen Xing, Zhao Fuqiang. RESEARCH ON COLD START CONTROL STRATEGY AND CONSISTENCY OF PEMFC STACK[J]. Acta Energiae Solaris Sinica. 2025, 46(7): 521-529 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0418

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