The Influence of Preparation Conditions on the Hydrogen Sorption of Mg-Nb₂O-CNT Produced by Ball Milling and Subsequent High-Pressure Torsion.

High energy ball milling and subsequent high-pressure torsion method was carried out on nanocrystalline Mg powders catalyzed by 5 wt.% Nb₂O and 5 wt.% carbon nanotubes.