质子交换膜电解槽非等温模型构建及适用性分析

刘锐风; 胡中停; 谷可盈; 王子君

doi:10.19912/j.0254-0096.tynxb.2025-0722

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质子交换膜电解槽非等温模型构建及适用性分析

更新时间：2026-10-15

- 质子交换膜电解槽非等温模型构建及适用性分析
- Vol. 47, Issue 9, Pages: 138-145(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2025-0722
  CLC： TK91
- Online First：10 October 2026，
  
  Published：2026
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刘锐风, 胡中停, 谷可盈, et al. 质子交换膜电解槽非等温模型构建及适用性分析[J]. 2026, 47(9): 138-145.
DOI：

刘锐风, 胡中停, 谷可盈, et al. 质子交换膜电解槽非等温模型构建及适用性分析[J]. 2026, 47(9): 138-145. DOI： 10.19912/j.0254-0096.tynxb.2025-0722.

摘要

目前针对电解槽非等温模型在不同运行场景下预测精度的研究尚显不足

该文建立一种耦合传热与电压的非等温模型

并结合实验数据验证了其合理性。选取功率分别为800 W 和50 kW的电解槽作为研究对象

分析了不同电流密度、电解液温度和环境温度的组合参数对电解槽电压和温度的影响。研究表明

与等温模型相比

非等温模型在高电流密度-低电解液温度场景下

对电压和温度的预测精度均更优;在低电流密度-高电解液温度场景下

其温度预测精度同样更具优势。进一步在60 ℃电解液温度下

对比分析两种模型在不同电流密度下的年度能耗差异。结果显示

等温模型的电耗预测值偏高

且预测误差随电流密度的升高呈显著增大趋势。该研究结果为不同运行条件下电解槽性能预测时是否引入传热模型提供了理论依据。

Abstract

Research on the prediction accuracy of non-isothermal electrolyzer models under various operating scenarios remains limited. This study develops a non-isothermal model coupling heat transfer and voltage

validated by experimental data. For 800 W and 50 kW electrolyzers

the combined effects of current density

electrolyte temperature

and ambient temperature on cell voltage and temperature are analyzed. Results indicate that

compared to the isothermal model

the non-isothermal model offers superior prediction accuracy for both voltage and temperature under high current density and low electrolyte temperature scenarios. It also shows better temperature prediction under low current density and high electrolyte temperature. Furthermore

annual energy consumption predictions from both models across various current densities （with a 60 °C electrolyte） are compared. The isothermal model tends to overestimate power consumption

with errors increasing significantly at higher current densities. These findings provide a theoretical basis for deciding when to incorporate heat transfer models in electrolyzer performance prediction.

关键词

Keywords

references

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