%0 journal article
%@ 1932-7447
%A Boesenberg, U., Ravnsbaek, D.B., Hagemann, H., D´Ánna, V., Bonatto Minella, C., Pistidda, C., Beek, W.van, Jensen, T.R., Bormann, R., Dornheim, M.

%D 2010
%J The Journal of Physical Chemistry  C
%N 35
%P 15212-15217 
%R doi:10.1021/jp104814u
%T Pressure and Temperature Influence on the Desorption Pathway of the LiBH4−MgH2 Composite System
%U https://doi.org/10.1021/jp104814u
35 
%X The decomposition pathway in LiBH4−MgH2 reactive hydride composites was investigated systematically as a function of pressure and temperature. Individual decomposition of MgH2 and LiBH4 is observed at higher temperatures and low pressures (T ≥ 450 °C and p(H2) ≤ 3 bar), whereas simultaneous desorption of H2 from LiBH4 and formation of MgB2 was observed at 400 °C and a hydrogen backpressure of p(H2) = 5 bar. The simultaneous desorption of H2 from LiBH4 and MgH2  without intermediate formation of metallic Mg could not be observed. In situ X-ray diffraction (XRD) and infrared (IR) spectroscopy reveal the present crystalline and amorphous phases.