Preparation and hydrogenation characteristics of Mg–30 wt.% Ti37.5V25Cr37.5 composite
Hu, Y.Q., Yan, Cheng, Zhang, H.F., Ye, Lin, & Hu, Z.Q. (2004) Preparation and hydrogenation characteristics of Mg–30 wt.% Ti37.5V25Cr37.5 composite. Journal of Alloys and Compounds, 375(1-2), pp. 265-269.
AMg–30 wt.% Ti37.5V25Cr37.5 hydrogen storage compositewas successfully synthesized by reactive mechanical milling of a mixture of magnesium and Ti37.5V25Cr37.5 powder in a hydrogen atmosphere. The structural evolution during milling and after hydrogen absorption/desorption cycling was analyzed using XRD. The absorption/desorption rates and storage capacity at different temperatures were evaluated. By analysing the variation of the Avrami exponent, the hydrogenation mechanisms during milling process were also estimated. A large hydrogen storage capacity and excellent absorption/desorption kinetics were achieved in this composite.
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