DFT based screening of ternary alkali-transition metal borohydrides : a computational materials design project
Hummelshøj, J. S., Landis, D.D., Voss, J., Jiang, T., Tekin, A., Bork, N., Dułak, M., Mortensen, J.J., Adamska, L., Andersin, J., Baran, J. D., Barmparis, G. D., Bell, F., Bezanilla, A. L., Bjork, J., Björketun, M. E., Bleken, F., Buchter, F., Bürkle, M., . . . Vegge, T. (2009). DFT based screening of ternary alkali-transition metal borohydrides : a computational materials design project. Journal of Chemical Physics, 131(1), Article 014101. https://doi.org/10.1063/1.3148892
Published in
Journal of Chemical PhysicsAuthors
Voss, J |
Tekin, A |
Bork, N. |
Bell, F. |
Huth, A. |
Lin, H. |
Park, H. |
Ren, H. |
Shen, J. |
Wang, S. |
Date
2009Copyright
© 2009 American Institute of Physics
We present a computational screening study of ternary metal borohydrides for reversible hydrogen storage based on density functional theory. We investigate the stability and decomposition of alloys containing 1 alkali metal atom, Li, Na, or K (M1); and 1 alkali, alkaline earth or 3d/4d transition metal atom (M2) plus two to five (BH4) − groups, i.e., M1M2(BH4)2–5, using a number of model structures with trigonal, tetrahedral, octahedral, and free coordination of the metal borohydride complexes. Of the over 700 investigated structures, about 20 were predicted to form potentially
stable alloys with promising decomposition energies. The M1(Al/Mn/Fe)(BH4)4, (Li/Na)Zn(BH4)3, and (Na/K)(Ni/Co)(BH4)3 alloys are found to be the most promising, followed by selected M1(Nb/Rh)(BH4)4 alloys.
Publisher
American Institute of PhysicsISSN Search the Publication Forum
0021-9606Keywords
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https://converis.jyu.fi/converis/portal/detail/Publication/19389649
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Additional information about funding
The authors acknowledge financial support by the European Commission DG Research (Contract No. SES6-2006- 51827/NESSHy), the Nordic Energy Research Council (Contract No. 06-HYDRO-C15) and the Danish Center for Scientific Computing (DCSC) for computer time (Grant No. HDW-1103-06).License
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