文献类型：期刊文献

中文题名：固体氧化物电解池电解性能影响因素的多物理场耦合模型构建与分析

英文题名：Construction and Analysis of a Multiphysics Coupling Model for Factors Influencing the Electrolytic Performance of Solid Oxide Electrolytic Cell

作者：王浩[1];刘丰[2];王书恒[2];汪方舟[1];曹军[1]

机构：[1]华东理工大学机械与动力工程学院,上海200237;[2]中国船舶集团有限公司第七一一研究所,上海201108

年份：2026

卷号：42

期号：3

起止页码：772

中文期刊名：石油学报(石油加工)

外文期刊名：Acta Petrolei Sinica(Petroleum Processing Section)

收录：;EI(收录号：20262721058934);北大核心:【北大核心2023】；

基金：国家科技部重点研发计划项目(2025YFE0199100)基金资助。

语种：中文

中文关键词：固体氧化物电解池;多物理场耦合;电堆性能;优化设计;计算流体动力学

外文关键词：solid oxide electrolytic cell;multiphysics coupling;stack performance;optimization design;computational fluid dynamics

摘要：固体氧化物电解池(SOEC)可以高效、清洁地与可再生能源耦合并将其转化为化学能,是一种高效、环保的能量转化装置,但由于电堆比较复杂且成本昂贵,对运行条件要求较高,因此选择合适的运行工况对电堆至关重要。基于SOEC电解水制氢过程中的电化学、热力学和动力学理论,采用仿真软件建立SOEC的多物理场耦合模型,通过计算流体动力学模型,分析入口温度、气体流量和蒸汽侧的水/氢摩尔比等因素对10层SOEC电堆电解性能的影响。结果表明:入口温度对SOEC性能的影响最为显著,提高入口温度可显著增大阳极电流密度与温差;蒸汽侧流量增加对高电解电压下的电流密度相比于低电解电压影响更大;空气侧流量的改变对极化曲线与蒸汽转化率的影响不大,较大的空气侧流量可以降低电解槽的温差;随着氢气量的增加,水蒸气转化率有增加的趋势。研究结果对进一步优化提升SOEC电解水制氢系统的制氢效率以及能量利用效率具有一定的指导意义。
Solid oxide electrolysis cell(SOEC)can effectively and cleanly couple with renewable energy sources to convert them into chemical energy,serving as a highly efficient and environmentally friendly energy conversion device.However,due to the complex structure and high cost of the stack,as well as the stringent operating conditions,selecting appropriate operating parameters is critical for stack performance enhancement.Based on the electrochemical,thermodynamic,and kinetic principles governing hydrogen production via water electrolysis in SOEC,a multiphysics coupled model was developed using simulation software.Through computational fluid dynamics(CFD)modeling,the effects of inlet temperature,gas flow rate,and steam-to-hydrogen molar ratio on the electrolytic performance of a 10-layer SOEC stack were analyzed.The results indicate that the inlet temperature has the most significant effect on SOEC performance.Increasing the inlet temperature markedly enhances the anode current density and temperature gradient across the cell.Moreover,an increase in steam-side flow rate exerts a more pronounced influence on current density at high electrolysis voltages than at low voltages.Changes in air-side flow rate have little impact on the polarization curve or steam conversion rate,although increasing air flow rates can reduce the temperature gradient within the cell.As the hydrogen content increases,the steam conversion rate exhibits an upward trend.These findings provide guidance for improving the hydrogen production efficiency and energy utilization efficiency of the SOEC water electrolysis system.