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Effect of the Partial Replacement of CaH2 with CaF2 in the Mixed System CaH2 + MgB2

Pistidda, C.; Karimi, F.; Garroni, S.; Rzeszutek, A.; Minella, C. Bonatto; Milanese, C.; Le, T. T.; Rude, L. H.; Skibsted, J. and Jensen, T. R., et al. (2014) In Journal of Physical Chemistry C 118(49). p.28409-28417
Abstract
In this work the effect of a partial replacement of CaH2 with CaF2 on the sorption properties of the system CaH2 + MgB2 has been studied. The first five hydrogen absorption and four desorption reactions of the CaH2 + MgB2 and 3CaH(2) + CaF2 + 4MgB(2) systems were investigated by means of volumetric measurements, high-pressure differential scanning calorimetric technique (HP-DSC), B-11 and 19F MAS NMR spectroscopy, and in situ synchrotron radiation powder X-ray diffraction (SR-PXD). It was observed that already during the mixing of the reactants formation of a nonstoichiometric CaF2-xHx solid solution takes place. Formation of the CaF2-xHx solid solution sensibly affects the overall hydrogen sorption reactions of the system CaH2 + MgB2.
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in
Journal of Physical Chemistry C
volume
118
issue
49
pages
28409 - 28417
publisher
The American Chemical Society
external identifiers
  • wos:000346321700009
  • scopus:84949116442
ISSN
1932-7447
DOI
10.1021/jp508780b
language
English
LU publication?
yes
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76aa26f4-8a88-4f4d-b9b1-e0e05fa82f1a (old id 4954607)
date added to LUP
2015-01-28 15:47:23
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@article{76aa26f4-8a88-4f4d-b9b1-e0e05fa82f1a,
  abstract     = {In this work the effect of a partial replacement of CaH2 with CaF2 on the sorption properties of the system CaH2 + MgB2 has been studied. The first five hydrogen absorption and four desorption reactions of the CaH2 + MgB2 and 3CaH(2) + CaF2 + 4MgB(2) systems were investigated by means of volumetric measurements, high-pressure differential scanning calorimetric technique (HP-DSC), B-11 and 19F MAS NMR spectroscopy, and in situ synchrotron radiation powder X-ray diffraction (SR-PXD). It was observed that already during the mixing of the reactants formation of a nonstoichiometric CaF2-xHx solid solution takes place. Formation of the CaF2-xHx solid solution sensibly affects the overall hydrogen sorption reactions of the system CaH2 + MgB2.},
  author       = {Pistidda, C. and Karimi, F. and Garroni, S. and Rzeszutek, A. and Minella, C. Bonatto and Milanese, C. and Le, T. T. and Rude, L. H. and Skibsted, J. and Jensen, T. R. and Horstmann, C. and Gundlach, Carsten and Tolkiehn, M. and Pranzas, P. K. and Schreyer, A. and Klassen, T. and Dornheim, M.},
  issn         = {1932-7447},
  language     = {eng},
  number       = {49},
  pages        = {28409--28417},
  publisher    = {The American Chemical Society},
  series       = {Journal of Physical Chemistry C},
  title        = {Effect of the Partial Replacement of CaH2 with CaF2 in the Mixed System CaH2 + MgB2},
  url          = {http://dx.doi.org/10.1021/jp508780b},
  volume       = {118},
  year         = {2014},
}