摘要
镁基储氢材料因其储氢容量高、镁资源丰富且对环境友好等特点,被认为是极具潜力的固态储氢材料之一。然而,氢化镁(MgH_(2))过于稳定的热力学势垒和缓慢的动力学行为,限制了其进一步规模化应用。近年来,在国内外科研工作者的努力下,不断提出新的改性策略,提升了镁基储氢材料的储氢性能,取得了不错的进展。基于既往相关研究的综合分析,综述了镁基储氢材料的国内外最新研究成果,着重探讨5种主要的改性方法——合金化、纳米化、添加催化剂、薄膜化和复合化;并对近年来镁基储氢材料工程化进展进行了概述,分析了其所面临的挑战。最后,总结了不同改性方法的优点及存在的不足,展望了镁基储氢材料的发展趋势。
Magnesium-based materials are considered one of the most promising solid-state hydrogen stor-age materials due to their high hydrogen storage capacity,abundant magnesium resources and environ-mental friendliness.However,the high thermodynamic stability and slow kinetic behavior of magnesium hydride(MgH2)limit its further scale-up application.In recent years,much effort has been devoted and several modification strategies are proposed to enhance the hydrogen storage performances of Mg-based materials,leading to plenty of achievements.Based on the comprehensive analysis of previously reported results,this paper reviews the latest reports of magnesium-based materials toward hydrogen storage,focu-sing on five major modification methods—alloying,nanozation,catalyst addition,thin film and compos-ite.It also gives an overview of the engineering progress of magnesium-based hydrogen storage materials in recent years and analyses the challenges they face.Finally,the advantages and shortcomings of differ-ent modification methods in this field are summarized,and the development trend of magnesium-based hydrogen storage materials is prospected.
作者
袁钦
王林优
吕玉洁
刘国强
YUAN Qin;WANG Linyou;LÜYujie;LIU Guoqiang(School of Materials Science and Engineering,Anhui University of Technology,Maanshan 243002,Anhui,China;Anhui Province Key Lab of Efficient Conversion and Solid-State Storage of Hydrogen&Electricity,Maanshan 243002,Anhui,China)
出处
《化学工业与工程》
北大核心
2025年第3期57-72,共16页
Chemical Industry and Engineering
基金
国家自然科学基金项目(52202080)
安徽省自然科学基金项目(2208085QE126)。
关键词
储氢材料
氢化镁
吸放氢
热力学
动力学
hydrogen storage materials
magnesium hydride
absorbing/desorbing hydrogen
kinetics
thermodynamics
