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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 829Hydrogen Desorption Properties of Mechanically...

Hydrogen Desorption Properties of Mechanically Alloyed MgH₂-9 wt % V-1 wt% Al Nanocomposite

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Abstract:

In this study, 9 wt% V and 1 wt% Al were co-milled with MgH₂ at different milling times to produce nanostructured composite powders. The effect of milling time and additives on the hydrogen desorption properties of obtained powders was evaluated by thermal analyzer method and compared with pure MgH₂. The phase constituents and grain size of powders were characterized by X-ray diffractometry method. As the milling time was increased, both the grain size and hydrogen desorption temperature were decreased. An improved dehydrogenation temperature was achieved by alloying of MgH₂ with V and Al. The effect of the V and Al addition on improvement of the dehydrogenation properties was discussed.

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Periodical:

Advanced Materials Research (Volume 829)

Pages:

568-571

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.829.568

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Online since:

November 2013

Authors:

Alireza Gholipour, Mohammad Rajabi*, Seyed Jamal Hoseinipour

Keywords:

Dehydrogenation, Magnesium Hydride, Mechanical Alloying, Nanocomposite

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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