化工学报2025，Vol.76Issue(4)：1711-1721,封1,12.DOI:10.11949/0438-1157.20240915
阴离子交换膜电解水制氢稳态建模
Steady-state modeling on hydrogen production by anion exchange membrane water electrolysis
陶智能 1邱彤 1王保国2
作者信息
- 1. 清华大学化学工程系,北京 100084
- 2. 清华大学化学工程系,北京 100084||膜材料与工程北京市重点实验室,北京 100084
- 折叠
摘要
Abstract
In recent years,the implementation of the"dual carbon"policy and advancements in related technologies has led to a significant increase in the proportion of wind and solar power generation in China.However,the intermittent and unstable nature of these renewable energy sources often results in the phenomenon of"curtailment"of wind and solar power.Hydrogen production through water electrolysis offers a solution by utilizing excess electricity and providing the advantage of zero emissions,thereby holding greater strategic significance compared to traditional hydrogen production methods.Anion exchange membrane water electrolysis(AEMWE),a technology developed over the past decade,integrates the benefits of alkaline water electrolysis(AWE)and proton exchange membrane water electrolysis(PEMWE),offering both high performance and economic advantages.Current domestic research on AEMWE predominantly focuses on the design and improvement of electrodes and membrane materials,with relatively limited studies on system simulation.Moreover,existing models often oversimplify the calculation of crucial parameters such as exchange current density and electrode resistance.To address these gaps,this paper integrates methodologies from other established electrochemical technologies(including AWE,PEMWE,and fuel cells)and relevant electrochemical principles.It introduces correction factors for effective exchange current density and bubble coverage,thereby enhancing the calculation methods for exchange current density.Additionally,a resistance network construction approach is employed to accurately represent electrode resistance.Building upon these methodologies,a more precise and broadly applicable semi-theoretical and semi-empirical steady-state electrochemical model for AEMWE is developed.The model's accuracy is validated using experimental data from existing literature.Finally,a sensitivity analysis is conducted to identify the key variables influencing the hydrogen production efficiency of AEMWE.The results show that membrane thickness,temperature and exchange current density are the main factors affecting the performance of the electrolyzer.Thinner membranes,higher operating temperatures and electrode materials with higher exchange current density are the development trends of electrolyzers.关键词
模拟/再生能源/制氢/阴离子交换膜/电解水Key words
simulation/renewable energy/hydrogen production/anion exchange membrane/water electrolysis分类
化学化工引用本文复制引用
陶智能,邱彤,王保国..阴离子交换膜电解水制氢稳态建模[J].化工学报,2025,76(4):1711-1721,封1,12.
