Paper Title:
Fabrications and Evaluations of Hydrogen Capacities on MgHX-Transition Metal Oxide(TMO) Composites by Mechanical Alloying
  Abstract

Hydrogen energy had recognized clean systems and high energy carrier. Mg and Mg-based materials have been lightweight and low cost materials which had been 7.6wt.% hydrogen capacity. However, Mg and Mg-alloys were currently hinder by its high absorption/desorption temperature, and very slow reaction kinetics. Therefore, one of the most methods to improve kinetics focused on addition transition metal oxide. Addition to transition metal oxide in MgHx powder produce MgHx-metal oxide composition by mechanical alloy and it analyze XRD, EDS, TG/DSC, SEM, and PCI. This report considers kinetics by transition metal oxide rate and hydrogen pressure. In this research, we can see behavior of hydriding/dehydriding profiles by addition catalyst (transition metal oxide). MgHx-5wt.%Fe2O3 composite was measured most high hydrogen capacity and fast kinetics.

  Info
Periodical
Edited by
Hyungsun Kim, Jian Feng Yang, Chuleol Hee Han, Somchai Thongtem and Soo Wohn Lee
Pages
259-262
DOI
10.4028/www.scientific.net/MSF.695.259
Citation
J. I. Lee, K. I. Kim, S. W. Yoo, Y. G. Lee, W. G. Kim, M. W. Jung, T. W. Hong, "Fabrications and Evaluations of Hydrogen Capacities on MgHX-Transition Metal Oxide(TMO) Composites by Mechanical Alloying", Materials Science Forum, Vol. 695, pp. 259-262, 2011
Online since
July 2011
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$32.00
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