温度与相对湿度对PEMFC输出性能及膜含水量的影响

耿莉敏; 山世玉; 黄飞创; 黄东; 陈昊; 赵卫艳

doi:10.19912/j.0254-0096.tynxb.2024-2272

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (5) : 542-550. DOI: 10.19912/j.0254-0096.tynxb.2024-2272

温度与相对湿度对PEMFC输出性能及膜含水量的影响

耿莉敏¹, 山世玉¹, 黄飞创¹, 黄东¹, 陈昊¹, 赵卫艳²

作者信息 +

EFFECTS OF TEMPERATURE AND RELATIVE HUMIDITY ON OUTPUT PERFORMANCE AND MEMBRANE WATER CONTENT OF PEMFC

Geng Limin¹, Shan Shiyu¹, Huang Feichuang¹, Huang Dong¹, Chen Hao¹, Zhao Weiyan²

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文章历史 +

摘要

建立三蛇形流场质子交换膜燃料电池（PEMFC）仿真模型,研究不同温度（25~95 ℃）和相对湿度（20%~100%）下PEMFC的极化曲线、膜含水量和膜水分布情况,并基于敏感性分析法,研究高温低湿和低温高湿状态下PEMFC输出性能与膜含水量的敏感度指标,为PEMFC的性能优化提供参考。结果表明：1）温度变化时,65 ℃条件下电压损耗最小;高电位阶段,温度越高,膜含水量越低;低电位阶段,温度越高,膜含水量越高。2）相对湿度变化时,80%相对湿度（RH）条件下电压损耗最小;相对湿度越高,膜含水量越大且分布更均匀。3）在高温低湿与低温高湿状态下,PEMFC输出性能和膜含水量对温度的变化更为敏感。

Abstract

This research established a simulation model of three-serpentine flow field PEMFC, and studied the polarization curve, membrane water content and membrane water distribution of PEMFC under different temperatures （25-95 ℃） and relative humidity （20%-100%）. Based on sensitivity analysis, the sensitivity indexes of output performance and membrane water content of PEMFC under high temperature & low humidity and low temperature & high humidity are studied, which can provide reference for performance optimization of PEMFC. The results indicate that： 1） In temperature variations, the voltage loss is minimized at 65 °C; at higher voltage regions, the membrane water content decreases with increasing temperature, whereas at lower voltage regions, the membrane water content increases with temperature. 2） In relative humidity variations, the voltage loss is minimized at 80% RH; higher relative humidity results in higher membrane water content and a more uniform distribution. 3） The output performance and membrane water content of PEMFC are more sensitive to changes in temperature under the condition of high temperature & low humidity and low temperature & high humidity.

导出引用

耿莉敏, 山世玉, 黄飞创, 黄东, 陈昊, 赵卫艳. 温度与相对湿度对PEMFC输出性能及膜含水量的影响[J]. 太阳能学报. 2026, 47(5): 542-550 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2272

Geng Limin, Shan Shiyu, Huang Feichuang, Huang Dong, Chen Hao, Zhao Weiyan. EFFECTS OF TEMPERATURE AND RELATIVE HUMIDITY ON OUTPUT PERFORMANCE AND MEMBRANE WATER CONTENT OF PEMFC[J]. Acta Energiae Solaris Sinica. 2026, 47(5): 542-550 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2272

中图分类号： TK91

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