在“碳中和”和“碳达峰”背景下,氢气作为一种清洁无污染、燃烧热值高且可再生的新能源,受到广泛关注。在多种制氢方法中,对制氢成本、制氢效率及技术成熟度等多方因素综合考虑,碱性水电解(AWE)无疑是当下制氢方法的优选。隔膜作为AWE电解槽中的关键部件之一,它决定了所产气体的纯度、设备的安全性和电解效率。复合隔膜作为AWE隔膜的第三代产品,受到行业及研发人员的重点关注。回顾了近年来关于AWE复合隔膜在水电解制氢领域的研究现状,以及不同制备方法、材料添加及隔膜改性对复合隔膜性能的影响,阐述了不同AWE隔膜的基本原理,指出目前AWE隔膜存在的一些问题,并对其研究方向和应用前景进行了展望。
Against the backdrop of “carbon neutrality” and “carbon peak”,hydrogen has received widespread attention as a clean,non-polluting,high-calorific,and renewable energy source.Among the various methods of hydrogen production,alkaline water electrolysis (AWE) is undoubtedly the preferred method for hydrogen production in terms of cost,efficiency,operation and hydrogen purity.The diaphragm,as one of the key components in the AWE electrolyzer,determines the purity of the produced gas,the safety of the equipment and the electrolysis efficiency.This paper reviewed the research progress in recent years on the application of alkaline water electrolysis composite diaphragms in the field of water electrolysis for hydrogen production,as well as the effects of different preparation methods,material additions,and diaphragm modifications on the performance of composite diaphragms,and described the basic principles of different alkaline water electrolysis diaphragms.Finally,it pointed out current challenges in alkaline water electrolysis diaphragms,and discussed the research directions and application prospects of alkaline water electrolysis diaphragms.
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基金资助
辽宁省教育厅基本科研项目青年项目(LJKQZ20222286);辽宁省自然科学基金联合基金项目面上项目(2024-MSLH-038)
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