首页|AB2-type rare earth-based compounds with C-15 structure:Looking for reversible hydrogen storage materials

AB2-type rare earth-based compounds with C-15 structure:Looking for reversible hydrogen storage materials

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AB2-type(A=rare earth,B=transition metal)intermetallic compounds with C15 structure can easily absorb large amount of hydrogen,showing their potential use as hydrogen storage materials.The crucial problem hindering their application is hydrogen induced amorphization(HIA),which leads to the irreversible hydrogen sorption process.The stability of the AB2 Laves phase compounds,the structural properties,the hydrogenation properties and the controlling factors of HIA are discussed in this review.Comparing with other factors,the atomic radii ratio rA/rB is the most important one influencing the HIA.Multi-element substitution is an efficient way to suppress or limit HIA and may enable AB2 compounds to be suitable for hydrogen storage.

Rare earth-based AB2-type compoundsHydrogenation propertiesHydrogen induced amorphizationElemental substitution

Hao Shen、Junxian Zhang、Valérie Paul-Boncour、Ping Li、Zhinian Li、Yuanfang Wu、Lijun Jiang

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National Engineering Research Center of Nonferrous Metals Materials and Products for New Energy,GRINM Group Co.,Ltd.,Beijing,100088,China

Univ Paris Est Creteil,CNRS,ICMPE,UMR 7182,2 rue Henri Dunant,94320,Thiais,France

Institute for Advanced Materials and Technology,University of Science and Technology,Beijing,100083,China

GRIMAT Engineering Institute Co.,Ltd.,Beijing,101407,China

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国家重点研发计划Innovation Funds of GRIMAT Engineering Institute Co.,LtdCampus France under Cai Yuanpei project

2022YFB380700044027 WH

2024

10.1016/j.jre.2023.09.004

稀土学报(英文版)
中国稀土学会

稀土学报(英文版)

CSTPCDEI
影响因子：1.3
ISSN：1002-0721
年,卷(期)：2024.42(5)
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