Scaled-up synthesis of nanostructured Mg-based compounds and their hydrogen storage properties

Magnesium based materials for hydrogen based energy storage: Past, present and future

“…Other techniques for the synthesis of magnesium hydride including hydriding chemical vapour deposition (HCVD) [82], laser ablation [83] and hydrogen plasma metal reaction (HPMR) [84] can produce high purity nanostructured magnesium hydride, but these techniques are difficult to scale up to large production quantities.…”

Catalytic effect of (Ti0.85Zr0.15)1.05Mn1.2Cr0.6V0.1Cu0.1on hydrogen storage properties of ultrafine magnesium particles

“…The hydrogen absorption and desorption properties of the (Ti 0. 5,10,30) composites were activated by one hydrogen absorption/desorption cycle at 400 C at the hydrogen pressure of 4 MPa and vacuum. The initial hydrogen pressures for hydrogenation/dehydrogenation were selected as 4 MPa and 100 Pa at each temperature.…”

“…2,3 Among various solid-state hydrogen storage materials, magnesium (Mg) is considered to be an attractive one for its high theoretical reversible hydrogen storage capacity (7.6 wt%), light weight and low cost. 4,5 However, the sluggish hydrogenation/dehydrogenation kinetics and the high decomposition temperature still limit its practical application for hydrogen storage. 6 Transition metals, 7,8 oxides 9-13 and hydrogen storage alloys 14,15 were used as the catalysts to improve the hydrogen storage performance of Mg through ball milling technique.…”

“…[30][31][32] Recently, we prepared a kind of TiMn 2 type alloy ((Ti 0.85 Zr 0.15 ) 1.05 Mn 1.2 Cr 0.6 V 0.1 Cu 0.1 ) with good hydrogen storage properties at room temperature. In this work, we intend to fabricate the Mg-x wt% TiMn 2 (x ¼ 0, 5,10,30) composites by milling the Mg UFPs produced by HPMR with the TiMn 2 alloy, investigate their hydrogen storage properties and the effects of content of TiMn 2 alloy on the performance of Mg, and clarify the catalytic mechanism of the TiMn 2 alloy for improving the hydrogenation and dehydrogenation properties of Mg in detail.…”

Fabrication of Multiple-Phase Magnesium-Based Hydrides with Enhanced Hydrogen Storage Properties by Activating NiS@C and Mg Powder

“…1−3 However, due to the thermodynamic stability of Mg−H bonds, the decomposition enthalpy for MgH 2 reaches up to 75 kJ mol −1 , 4 demanding a desorption temperature in excess of 300 °C. 5 The sluggish hydrogen kinetics also make it inefficient for practical application; 6,7 thus, appropriate strategies are needed to solve these problems.…”