Enhancement of the initial hydrogenation of Mg by ball milling with alkali metal amides MNH2(M = Li or Na)

Abstract

The addition of 4 wt% of MNH₂(M = Li, Na) to pure Mg by ball milling greatly enhances the first hydrogenation (activation). Under 2 MPa of H₂at 608 K, the best activation performance was achieved with the NaNH₂additive.