Abstract
Power characteristics are important indicators of fuel cell performance. In the actual operation of fuel cells, changes in operating conditions lead to variations in their power characteristics. Therefore, it is imperative to explore the impact of operating conditions on power characteristics. This paper analyzes the factors influencing fuel cell power and uses sensitivity analysis to investigate how different factors affect fuel cell performance. The operating parameters are optimized using a Bayesian-optimized Gaussian process regression model. The research results indicate that temperature has the greatest impact on fuel cell power, followed by stoichiometry and backpressure. The Bayesian-optimized Gaussian process regression model performs the best, reducing its RSME from 0.1 to 0.0556. Residual analysis and regression characteristic analysis verify the optimized model's improved fitting and regression characteristics. Based on the Bayesian–Gaussian process regression model, the optimized operating parameters are obtained for maximum power: a temperature of 80 °C, stoichiometry of 4, and backpressure of 1.7 bar. This paper provides theoretical support for improving fuel cell performance.
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X. L. wrote the main manuscript text and C.P. and J.S. checked the grammar of the manuscript. All authors reviewed the manuscript.
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Liao, X., Photong, C. & Su, J. Sensitivity analysis and optimization of operating conditions of proton exchange membrane fuel cell. J Appl Electrochem (2024). https://doi.org/10.1007/s10800-024-02130-y
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DOI: https://doi.org/10.1007/s10800-024-02130-y