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Elsevier, Journal of Alloys and Compounds, (645), p. S408-S411

DOI: 10.1016/j.jallcom.2014.12.092

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Synthesis and properties of the Mg2Ni0.5Co0.5H4.4 hydride

Journal article published in 2015 by Y.-U. Verbovytskyy, J. Zhang, F. Cuevas ORCID, V. Paul Boncour, I. Zavaliy
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Abstract The Mg2Ni0.5Co0.5H4.4 hydride with a grain size of 16 nm was prepared by reactive ball milling. Its crystal structure was studied by X-ray powder diffraction. A tetragonal Mg2CoH5 structure type was suggested for the obtained hydride. The decomposition temperature of the Mg2Ni0.5Co0.5H4.4 phase was observed at 213 °C. Electrochemical measurements as negative electrode of Ni-MH battery were also performed. Significant improvements can be made by ball-milling the hydride with nickel powder.