%0 journal article
%@ 1932-7447
%A Suarez Alcantara, K., Ramallo Lopez, J.M., Boesenberg, U., Saldan, I., Pistidda, C., Requejo, F.G., Jensen, T., Cerenius, Y., Soerby, M., Avila, J., Bellosta von Colbe, J., Taube, K., Klassen, T., Dornheim, M.

%D 2012
%J The Journal of Physical Chemistry  C
%N 12
%P 7207-7212 
%R doi:10.1021/jp211620h
%T 3CaH2 + 4MgB2 + CaF2 Reactive Hydride Composite as a Potential Hydrogen Storage Material: Hydrogenation and Dehydrogenation Pathway
%U https://doi.org/10.1021/jp211620h
12 
%X A reactive hydride composite (RHC) with initial composition 3CaH2 + 4MgB2 + 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 3CaH2 + 4MgB2 + CaF2 RHC is as a dopant for the hydrogenation and dehydrogenation reactions.