赵雄, 陈明轩, 张宝平, 朱小毅, 杨天让, 刘建国. 碱性水电解槽电极与隔膜性能及能耗分析[J]. 高电压技术, 2025, 51(5): 2137-2148. DOI: 10.13336/j.1003-6520.hve.20240896
引用本文: 赵雄, 陈明轩, 张宝平, 朱小毅, 杨天让, 刘建国. 碱性水电解槽电极与隔膜性能及能耗分析[J]. 高电压技术, 2025, 51(5): 2137-2148. DOI: 10.13336/j.1003-6520.hve.20240896
ZHAO Xiong, CHEN Mingxuan, ZHANG Baoping, ZHU Xiaoyi, YANG Tianrang, LIU Jianguo. The Performance and Energy Consumption Analysis of Electrodes and Diaphragms in Alkaline Water Electrolysis[J]. High Voltage Engineering, 2025, 51(5): 2137-2148. DOI: 10.13336/j.1003-6520.hve.20240896
Citation: ZHAO Xiong, CHEN Mingxuan, ZHANG Baoping, ZHU Xiaoyi, YANG Tianrang, LIU Jianguo. The Performance and Energy Consumption Analysis of Electrodes and Diaphragms in Alkaline Water Electrolysis[J]. High Voltage Engineering, 2025, 51(5): 2137-2148. DOI: 10.13336/j.1003-6520.hve.20240896

碱性水电解槽电极与隔膜性能及能耗分析

The Performance and Energy Consumption Analysis of Electrodes and Diaphragms in Alkaline Water Electrolysis

  • 摘要: 随着全球对清洁能源和可持续发展的需求日益增长,碱性水电解作为生产绿氢的关键技术,已成为国内氢能产业的核心技术之一。该研究通过筛选和优化市场上常见的电极和隔膜材料,明确了当前商用电极和隔膜材料的性能现状,并进一步研究了各部件对电解能耗的影响。研究结果表明,掺杂过渡金属元素的电极材料能够显著提升电解效率,表现出优异的电催化性能,掺杂钼元素的阴极材料在1.8 V@80 ℃条件下可达到425 mA/cm2的电流密度;而具有低面电阻和高浸润性的复合隔膜材料则在全电池性能方面表现出色。对于含有过渡金属元素的电极材料,随着电流密度的增加,传质过电势逐渐成为限制性能的主要因素。该研究为下一代高效碱性水电解槽的开发提供了设计依据,有助于进一步提升电解效率和降低能耗,推动碱性水电解制氢技术的持续进步。

     

    Abstract: As global demands for clean energy and sustainable development continue to grow, alkaline water electrolysis has emerged as a key technology for the production of green hydrogen, becoming a core technology in the domestic hydrogen energy industry. This study aims to screen and optimize commonly used electrode and membrane materials in the market, clarifies the current performance status of commercial electrode and membrane materials, and further investigates the impact of various components on electrolysis energy consumption. The results show that electrode materials doped with transition metal elements can significantly enhance electrolysis efficiency, demonstrating excellent electrocatalytic performance. Single cells with cathode materials doped with Mo elements can achieve a current density of 425 mA/cm2 at 1.8 V@80 ℃. Additionally, composite membrane materials with low surface resistance and high wettability exhibit outstanding overall cell performance. For electrode materials containing transition metal elements, the mass transfer overpotential gradually becomes the main limiting factor as current density increases. This study provides a design basis for the development of the next generation of high-efficiency alkaline water electrolyzers, contributing to further improvements in electrolysis efficiency and reductions in energy consumption, thereby promoting the continuous advancement of alkaline water electrolysis hydrogen production technology.

     

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