Phase transformation and hydrogen storage properties of LaY2Ni10.5 superlattice alloy with single Gd2Co7-type or Ce2Ni7-type structure

•The single-phase LaY2Ni10.5 alloy with superlattice structure was firstly prepared.•The LaY2Ni10.5 alloy adopts the hexagonal structure at high annealing temperatures.•The hexagonal LaY2Ni10.5 alloy demonstrates higher structural stability than the rhombohedral polymorph during charging-discharging...

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Veröffentlicht in:	Journal of alloys and compounds 2021-07, Vol.868, p.159254, Article 159254
Hauptverfasser:	Zhao, Shiqian, Wang, Hui, Hu, Renzong, Jiang, Wei, Liu, Jiangwen, Ouyang, Liuzhang, Zhu, Min
Format:	Artikel
Sprache:	eng
Schlagworte:	A2B7 intermetallics Alloys Annealing Hexagonal phase Hydrogen charging Hydrogen storage Low temperature Metal hydrides Nickel-metal hydride battery Optimization Phase transitions Rare earth Rechargeable batteries Structural stability Superlattice Superlattices
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