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Modeling of hydrogen storage materials: A reactive force field for NaH

  • J. G.O. Ojwang'
  • , Rutger Van Santen
  • , Gert Jan Kramer
  • , Adri C.T. Van Duin
  • , William A. Goddard
  • Technical University of Eindhoven
  • California Institute of Technology

Résultats de recherche: Le chapitre dans un livre, un rapport, une anthologie ou une collectionContribution à une conférenceRevue par des pairs

Résumé

Parameterization of a reactive force field for NaH is done using ab initio derived data. The parameterized force field(ReaxFFNaH) is used to study the dynamics governing hydrogen desorption in NaH. During the abstraction process of surface molecular hydrogen charge transfer is found to be well described by the parameterized force field. To gain more insight into the mechanism governing structural transformation of NaH during thermal decomposition a heating run in a molecular dynamics simulation is done. The result shows that a clear signature of hydrogen desorption is the fall in potential energy surface during heating.

langue originaleAnglais
titreSelected Papers from ICNAAM 2007 and ICCMSE 2007 - Special Presentations Int. Conf. Numerical Analysis and Applied Mathematics 2007 and Int. Conf. Computational Methods in Science and Engineering 2007
Pages23-27
Nombre de pages5
Les DOIs
étatPublié - 22 oct. 2008
Modification externeOui
EvénementInternational Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2007 and International Conference on Computational Methods in Science and Engineering, ICCMSE 2007 - Corfu, Grcce
Durée: 25 sept. 200730 sept. 2007

Série de publications

NomAIP Conference Proceedings
Volume1046
ISSN (imprimé)0094-243X
ISSN (Electronique)1551-7616

Une conférence

Une conférenceInternational Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2007 and International Conference on Computational Methods in Science and Engineering, ICCMSE 2007
Pays/TerritoireGrcce
La villeCorfu
période25/09/0730/09/07

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