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Studies on dehydrogenation characteristic of Mg(NH2)2/LiH mixture admixed with vanadium and vanadium based catalysts (V, V2O5 and VCl3) by Rohit R. Shahi; T.P. Yadav; M.A. Shaz; O.N. Srivastva is a Engineering article available to read on EtoBox.

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In the present study, we have investigated the effect of vanadium and its compounds (V, V 2 O 5 and VCl 3 ) on desorption characteristics of 1:2 magnesium amide (Mg(NH 2 ) 2 ) and lithium hydride (LiH) mixture. The hydrogen storage characteristics of 1:2 Mg(NH 2 ) 2 /LiH mixture gets enhanced with admixing of V, V 2 O 5 and VCl 3 separately. The VCl 3 has been found to be the most effective followed by V and V 2 O 5 . The activation energy for dehydrogenation process of 1:2 Mg(NH 2 ) 2 /LiH mixture with and without catalyst has been evaluated using a method suggested by Ozawa et al. [25]. Based on the experimental results, schematic reaction scheme for decomposition of Mg(NH 2 ) 2 in the presence of VCl 3 has also been proposed.

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Author

Rohit R. Shahi; T.P. Yadav; M.A. Shaz; O.N. Srivastva

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0360-3199)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)