Hydrogen solid storage: First-principles study of ZrNiH3

被引:30
|
作者
Bouhadda, Youcef [1 ]
Rabehi, Amel [1 ]
Boudouma, Youcef [2 ]
Fenineche, Noureddine [3 ]
Drablia, Samia [4 ]
Meradji, Hocine [4 ]
机构
[1] Unite Rech Appl Energies Renouvelables, Ghardaia, Algeria
[2] Fac Phys USTHB, Algiers, Algeria
[3] UTBM, LERMPS, Belfort, France
[4] Univ Annaba, Lab LPR, Dept Phys, Fac Sci, Annaba, Algeria
关键词
FP-LAPW; WIEN2K; Hydrides; ZrNiH3; Electronic structure; Hydrogen storage; Enthalpy of formation; INTERSTITIAL SITE OCCUPATION; ELECTRONIC-STRUCTURE; HYDRIDE MATERIALS; H SYSTEM; PHASE;
D O I
10.1016/j.ijhydene.2008.12.082
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The ZrNiH3 compound is a good candidate for hydrogen storage. In this work we used the first-principles calculation to study this compound. The crystal structures, the electronic properties and the optimization of the internal parameters are treated by the FP-LAPW method implanted in the WIEN2K code. The enthalpies of the dehydrogenation of the ZrNiH3 compound are calculated. We found that the enthalpy is about -42.89 kJ/mol H, greater but similar to the experimental value of -34.3 kJ/mol H. Potential reasons for this discrepancy are discussed. (C) 2009 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:4997 / 5002
页数:6
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