Hydrogen storage in Ti–Mn–(FeV) BCC alloys

Recently, the replacement of vanadium by the less expensive (FeV) commercial alloy has been investigated in Ti–Cr–V BCC solid solutions and promising results were reported. In the present work, this approach of using (FeV) alloys is adopted to synthesize alloys of the Ti–Mn–V system. Compared to the V-containing alloys, the alloys containing (FeV) have a smaller hydrogen storage capacity but a larger reversible hydrogen storage capacity, which is caused by the increase of the plateau pressure of desorption. Correlations between the structure and the hydrogen storage properties of the alloys are also discussed.