双相氢分离合金膜研究进展  

Research Progress of Dual-Phase Hydrogen Separation Alloy Films

作　　者：朱一凡 李自来 杨波 史晓斌 丁晓丽 李永涛 Zhu Yifan;Li Zilai;Yang Bo;Shi Xiaobin;Ding Xiaoli;Li Yongtao(School of Materials Science and Engineering,Anhui University of Technology,Maanshan 243032,China)

机构地区：[1]安徽工业大学材料科学与工程学院,安徽马鞍山243032

出　　处：《稀有金属》2024年第7期999-1013,共15页Chinese Journal of Rare Metals

基　　金：国家自然科学基金项目(51601001);安徽省自然科学基金项目(2108085ME144)资助。

摘　　要：传统制氢成品往往含有不同程度的杂质气体,氢分离提纯已成为生产高纯氢的重要环节,膜分离技术具有环境友好、经济可行、适应性强等优点。从氢分离膜的种类、分离机制和制备方法出发,综述了双相氢分离合金膜研究进展,介绍了金属固溶体和氧化物颗粒分别作为第二相类型的研究进展,接着引出双相氢分离合金膜的制备工艺,论述了普通铸造的特点、局限和进展,总结了定向凝固工艺对显微组织、透氢性能和抗氢脆性能的影响,在此基础上总结对比了常用氢分离纯金属以及不同工艺处理的双相合金氢渗透性能。最后指出,双相氢分离合金膜具有较高的催化性能、合理的渗氢性能和良好的耐久性能,具有很好的应用前景,发展潜力很大。通过进一步调整合金元素含量和控制相组成,可以获得综合性能优良的氢分离合金膜,有望成为未来分离提纯氢气的可靠材料。Hydrogen has the characteristics of high combustion calorific value,the product of its combustion is water,is one of the world's cleanest energy,and hydrogen resources are rich,can be sustainable development.In the context of"carbon peak,carbon neutral",hydrogen energy has become the focus of scientific research in recent years.Hydrogen energy is a sustainable secondary energy source,and the increasing demand for reliable renewable energy sources has stimulated the development of a hydrogen economy.Hydrogen production,storage,transportation and application technologies have also become the focus of attention in the 21st century.The importance of hydrogen production is self-evident,traditional hydrogen production methods such as fossil fuel reforming often contain varying degrees of impurity gas,so hydrogen separation and purification is an essential part of the production of high purity hydrogen,hydrogen separation membrane is an important hydrogen purification material.The membrane described here is a kind of functional material with special selectivity in the form of film,which can be separated by screening or controlling the relative rate of different components passing through the membrane in the mixing system.Membrane separation technology has the advantages of environmental friendliness,economic feasibility and strong adaptability.Starting from the types of membranes,separation mechanism and preparation method,the transport mechanism of hydrogen in dense membranes based on the atomic dissolve-diffusion mechanism was described in combination with the schematic diagram,and then the research progress of dual-phase alloy hydrogen separation membranes was reviewed.Firstly,the types of dual-phase hydrogen separation alloy membranes with metal solid solution and oxide particles as the second phase particles were introduced respectively.As the second phase,the solid solution could be divided into two types:ordinary casting and eutectic structure.The metal solid solution played a key role in hydrogen penetration,and

关 键 词：氢分离合金膜 双相合金 定向凝固 

分 类 号：TK91[动力工程及工程热物理]