Metallic and Carbon Nanotube-Catalyzed Coupling of Hydrogenation in Magnesium
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Synergistic effect of metallic couple and carbon nanotubes on Mg results in an ultrafast kinetics of hydrogenation that overcome a critical barrier of practical use of Mg as hydrogen storage materials. The ultrafast kinetics is attributed to the metal-H atomic interaction at the Mg surface and in the bulk (energy for bonding and releasing) and atomic hydrogen diffusion along the grain boundaries (aggregation of carbon nanotubes) and inside the grains. Hence, a hydrogenation mechanism is presented.
Journal of the American Chemical Society
Solid State Chemistry
Environmental Sciences not elsewhere classified
Physical Chemistry of Materials