Changes in Storage Properties of Hydrides Induced by Ion Irradiation

  • Jasmina GRBOVIĆ NOVAKOVIĆ 1Vinča Institute of Nuclear Sciences, University of Belgrade
  • Sandra KURKO Vinča Institute of Nuclear Sciences, University of Belgrade
  • Željka RAŠKOVIĆ-LOVRE Vinča Institute of Nuclear Sciences, University of Belgrade
  • Sanja MILOŠEVIĆ Vinča Institute of Nuclear Sciences, University of Belgrade
  • Igor MILANOVIĆ Vinča Institute of Nuclear Sciences, University of Belgrade
  • Zoran STOJANOVIĆ Institute of Technical Sciences of SASA
  • Radojka VUJASIN Vinča Institute of Nuclear Sciences, University of Belgrade
  • Ljiljana MATOVIĆ Vinča Institute of Nuclear Sciences, University of Belgrade
Keywords: hydrogen storage, MgH2, ion irradiation, TPD, non- isothermal kinetics

Abstract

The influence of structural changes caused by irradiation with different ions, their energies and fluences on sorption properties has been investigated. Results suggest that there are several mechanisms of desorption depending on defect concentration, their interaction and ordering. It has been also demonstrated that the changes in near-surface area play the crucial role in hydrogen desorption kinetics. It is confirmed that there is possibility to control the thermodynamic parameters of these systems by controlling vacancies depth profile and concentration.

DOI: http://dx.doi.org/10.5755/j01.ms.19.2.1579

Published
2013-05-23
Section
METALS, ALLOYS, COATINGS