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Magnesium-Based Materials for Hydrogen Storage—A Scope Review


Magnesium hydride and selected magnesium-based ternary hydride (Mg2FeH6, Mg2NiH4, and Mg2CoH5) syntheses and modification methods, as well as the properties of the obtained materials, which are modified mostly by mechanical synthesis or milling, are reviewed in this work. The roles of selected additives (oxides, halides, and intermetallics), nanostructurization, polymorphic transformations, and cyclic stability are described. Despite the many years of investigations related to these hydrides and the significant number of different additives used, there are still many unknown factors that affect their hydrogen storage properties, reaction yield, and stability. The described compounds seem to be extremely interesting from a theoretical point of view. However, their practical application still remains debatable.

Funding source: This work was financially supported by the National Science Centre (NCN) in Poland, No. UMO-2018/29/B/ST8/01979. Additional support from the statutory research funds of the Department of Functional Materials and Hydrogen Technology is appreciated as well as Ministry of National Defense Republic of Poland Program—Research Grant MUT Project 13-995 (proof checking fee).
Countries: Poland

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