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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温度与相对湿度对PEMFC输出性能及膜含水量的影响

更新时间：2026-07-21

- 温度与相对湿度对PEMFC输出性能及膜含水量的影响
- Vol. 47, Issue 5, Pages: 542-550(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2024-2272
  CLC： TK91
- Online First：04 June 2026，
  
  Published：2026
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耿莉敏, 山世玉, 黄飞创, et al. 温度与相对湿度对PEMFC输出性能及膜含水量的影响[J]. 2026, 47(5): 542-550.
DOI：

耿莉敏, 山世玉, 黄飞创, et al. 温度与相对湿度对PEMFC输出性能及膜含水量的影响[J]. 2026, 47(5): 542-550. DOI： 10.19912/j.0254-0096.tynxb.2024-2272.

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.

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