Activation of the reactive hydride composite 2NaBH4+MgH2

A novel method to enhance the reaction kinetics of the reactive hydride composite 2NaBH4 +MgH2 is described. It has been discovered that short-term exposure to a moist atmosphere has a very beneficial effect on the desorption reaction of the 2NaBH4 +MgH2 mixture. By this procedure it is possible to...

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Bibliographic Details
Published in:Scripta materialia 2011-06, Vol.64 (11), p.1035-1038
Main Authors: Pistidda, C., Barkhordarian, G., Rzeszutek, A., Garroni, S., Minella, C. Bonatto, Baró, M.D., Nolis, P., Bormann, Rüdiger, Klassen, T., Dornheim, M.
Format: Article
Language:English
Subjects:
Activation
Atmospheres
Ball milling
Desorption
Drying
Hydrides
Hydrogen storage
Reaction kinetics
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Summary:A novel method to enhance the reaction kinetics of the reactive hydride composite 2NaBH4 +MgH2 is described. It has been discovered that short-term exposure to a moist atmosphere has a very beneficial effect on the desorption reaction of the 2NaBH4 +MgH2 mixture. By this procedure it is possible to achieve, after drying, both faster desorption kinetics and greater amounts of released hydrogen compared to ball-milled material without further treatment.
ISSN:1359-6462
DOI:10.1016/j.scriptamat.2011.02.017