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3CaH(2)+4MgB(2) + CaF2 Reactive Hydride Composite as a Potential Hydrogen Storage Material: Hydrogenation and Dehydrogenation Pathway

Alcantara, K. Suarez ; Ramallo-Lopez, J. M. ; Boesenberg, U. ; Saldan, I. ; Pistidda, C. ; Requejo, F. G. ; Jensen, T. ; Cerenius, Yngve LU ; Sorby, M. and Avila, J. , et al. (2012) In Journal of Physical Chemistry C 116(12). p.7207-7212
Abstract
A reactive hydride composite (RHC) with initial composition 3CaH(2) + 4MgB(2) + CaF2 was studied by in situ synchrotron radiation powder X-ray diffraction (SR-PXD) and X-ray absorption near edge structure (XANES) at the B K-edge and at the Ca K-edge. The hydrogenation reaction proceeds by an unknown intermediate. No evidence of intermediates was observed during the dehydrogenation reaction. B and Ca K-edge XANES results hint to a closed interaction of CaF2 and Ca(BH4)(2). The main function of CaF2 in the 3CaH(2) + 4MgB(2) + CaF2 RHC is as a dopant for the hydrogenation and dehydrogenation reactions.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physical Chemistry C
volume
116
issue
12
pages
7207 - 7212
publisher
The American Chemical Society (ACS)
external identifiers
  • wos:000302051100053
  • scopus:84859371569
ISSN
1932-7447
DOI
10.1021/jp211620h
language
English
LU publication?
yes
id
70be66f7-bdcc-4cd7-b72c-0c75cf94ce05 (old id 2591032)
date added to LUP
2016-04-01 10:43:54
date last changed
2022-02-10 05:32:14
@article{70be66f7-bdcc-4cd7-b72c-0c75cf94ce05,
  abstract     = {{A reactive hydride composite (RHC) with initial composition 3CaH(2) + 4MgB(2) + CaF2 was studied by in situ synchrotron radiation powder X-ray diffraction (SR-PXD) and X-ray absorption near edge structure (XANES) at the B K-edge and at the Ca K-edge. The hydrogenation reaction proceeds by an unknown intermediate. No evidence of intermediates was observed during the dehydrogenation reaction. B and Ca K-edge XANES results hint to a closed interaction of CaF2 and Ca(BH4)(2). The main function of CaF2 in the 3CaH(2) + 4MgB(2) + CaF2 RHC is as a dopant for the hydrogenation and dehydrogenation reactions.}},
  author       = {{Alcantara, K. Suarez and Ramallo-Lopez, J. M. and Boesenberg, U. and Saldan, I. and Pistidda, C. and Requejo, F. G. and Jensen, T. and Cerenius, Yngve and Sorby, M. and Avila, J. and von Colbe, J. Bellosta and Taube, K. and Klassen, Thomas and Dornheim, M.}},
  issn         = {{1932-7447}},
  language     = {{eng}},
  number       = {{12}},
  pages        = {{7207--7212}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Journal of Physical Chemistry C}},
  title        = {{3CaH(2)+4MgB(2) + CaF2 Reactive Hydride Composite as a Potential Hydrogen Storage Material: Hydrogenation and Dehydrogenation Pathway}},
  url          = {{http://dx.doi.org/10.1021/jp211620h}},
  doi          = {{10.1021/jp211620h}},
  volume       = {{116}},
  year         = {{2012}},
}