High-entropy boride magnesium hydride composite hydrogen storage material and preparation method thereof

The invention discloses a high-entropy boride magnesium hydride composite hydrogen storage material and a preparation method thereof.The high-entropy boride magnesium hydride composite hydrogen storage material comprises high-entropy boride CrMnFeCoNiB (HEB) and MgH2, the high-entropy boride CrMnFeC...

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Hauptverfasser:	ZHANG LIUTING, JIANG MING, OH BU-YOUNG, SU XIAOCAI, SU CHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a high-entropy boride magnesium hydride composite hydrogen storage material and a preparation method thereof.The high-entropy boride magnesium hydride composite hydrogen storage material comprises high-entropy boride CrMnFeCoNiB (HEB) and MgH2, the high-entropy boride CrMnFeCoNiB (HEB) accounts for 3%-20% of the total mass of the composite hydrogen storage material, the hydrogen storage performance of the MgH2 is researched by changing the ball milling proportion of the high-entropy boride CrMnFeCoNiB (HEB) and the MgH2, and the high-entropy boride magnesium hydride composite hydrogen storage material has the advantages that the high-entropy boride magnesium hydride composite hydrogen storage material is prepared; the invention further discloses a preparation method and application of the composite hydrogen storage material, the MgH2 composite material provided by the invention has good low-temperature hydrogen absorption and desorption dynamic performance and relatively high hydrogen