Paper Title:
Electrochemical Hydriding of Mg-Based Alloys
  Abstract

Mg-based alloys are prospective materials for reversible hydrogen storage in the form of metallic hydrides. Usually, hydrogen saturation is carried out at high temperatures and high hydrogen pressures. This is the reason for the high cost of metallic hydrides in comparison with other hydrogen storage methods. Electrochemical hydriding, on the other hand, can be realized at room temperature. Moreover, this process does not need any hydrogen atmosphere. In the presented work, electrochemical hydriding of several Mg-Ni-Mm-based alloys (Mm = mishmetal) is performed. Hydriding efficiency, mechanism and kinetics are described. It is shown that the additions of Ni, Mm and the formation of eutectic structures support hydriding of alloys.

  Info
Periodical
Defect and Diffusion Forum (Volumes 312-315)
Edited by
Andreas Öchsner, Graeme E. Murch and João M.P.Q. Delgado
Pages
882-887
DOI
10.4028/www.scientific.net/DDF.312-315.882
Citation
D. Vojtěch, V. Knotek, P. Novák, "Electrochemical Hydriding of Mg-Based Alloys", Defect and Diffusion Forum, Vols. 312-315, pp. 882-887, 2011
Online since
April 2011
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Price
$32.00
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