石油与天然气化工2025，Vol.54Issue(3)：79-85,7.DOI:10.3969/j.issn.1007-3426.2025.03.011
光伏耦合组合式PEM电解槽制氢技术
photovoltaic-coupled modular PEM electrolyzer hydrogen production technology
摘要
Abstract
Objective The study aims to establish a dynamic simulation model for coordinated operation of multiple proton exchange membrane(PEM)electrolyzers under photovoltaic power fluctuations,providing theoretical foundations for optimizing large-scale hydrogen production systems.Method In accordance with electrochemical principles,the Aspen Custom Modeler software was employed to develop a model for the PEM electrolysis cell.Subsequently,this model was integrated as a sub-routine into the Aspen Plus software environment.In Aspen Plus,ELECNRTL physical property calculation method and appropriate module were used to build a combination of multiple 20 m3/h level PEM electrolytic hydrogen production processes.In the calculation,the system's current density was set to change with the light intensity,and the step change of current density was used to simulate the fluctuation of renewable energy.The hydrogen production process of combining two,three,and four 20 m3/h PEM electrolysis cells.Result It was resulted in an average hydrogen production rate of 41.03 m3/h,61.55 m3/h,and 82.07 m3/h,respectively.The hydrogen loss during separation and refining was around 3.9%,and the energy consumption of the PEM electrolysis cell was 4.504 kW·h/m3.Compared with the on-site data of 4.509 kW·h/m3 from a demonstration project of China Power Engineering Consulting Group,the relative error was controlled at 0.1%.Conclusion In actual operation,utilizing the mechanism of combining multiple electrolytic cells can make it possible to selectively disable some PEM electrolysis cells when the input power of the system decreases due to weak light,effectively deal with the uncertainty of renewable energy output,and improve the system energy conversion rate.The research results can provide a theoretical reference for the actual photovoltaic water electrolysis process for hydrogen production.关键词
质子交换膜电解/Aspen建模/光伏制氢/动态模拟Key words
proton exchange membrane electrolysis/Aspen modeling/photovoltatic hydrogen production/dynamic simulation引用本文复制引用
王露,徐智良,金浩,任宇宸,陈晓玮,齐琪..光伏耦合组合式PEM电解槽制氢技术[J].石油与天然气化工,2025,54(3):79-85,7.基金项目
中国电力工程顾问集团有限公司科技项目"光伏水电解制氢技术研究与应用示范"(DG3-A03-2022) （DG3-A03-2022）
