Hydrogen Storage Characteristics of MmNi5−x M x (M = Cu, Mn and Al)
The present communication deals with the superior hydrogen storage behavior of MmNi5−x Mn x (x =0.5 and 1.0) over other systems such as MmNi5−x Al x (x = 0.5 and 1.0), the standard system MmNi5, Cu doped system MmNi4.5Cu0.5 and the Mn–Al codoped systems such as MmNi4.0Mn0.5Al0.5, MmNi3.5Mn1.0Al0.5, etc. Particularly, the alloy MmNi4.0Mn1.0 exhibits rapid activation behavior, good kinetics, moderate stability, appreciable reaction enthalpy and high catalytic activity as compared to all the other systems. In thermodynamic point of view, MmNi4.0Mn1.0 appears to be a promising candidate (even better than MmNi4.25Al0.75) for tritium storage applications.
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Document Type: Research Article
Publication date: 2012-11-01
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