Issue 47, 2007
From the journal:

Journal of Materials Chemistry

In situsynchrotron diffraction studies of phase transitions and thermal decomposition of Mg(BH4)2 and Ca(BH4)2

M. D. Riktor,a   M. H. Sørby,a   K. Chłopek,b   M. Fichtner,b   F. Buchter,c   A. Züttelc  and  B. C. Hauback*a  

* Corresponding authors

a Physics Department, Institute for Energy Technology, P. O. Box 40, NO-2027 Kjeller, Norway
E-mail: bjorn.hauback@ife.no
Fax: +47 63 81 09 20
Tel: +47 63 80 60 78

b Institute for Nanotechnology, Forschungszentrum Karlsruhe, P. O. Box 3640, D-76021 Karlsruhe, Germany

c Department of Mobility, Environment and Energy, Div. Hydrogen and Energy, EMPA Materials Sciences and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland

Abstract

Mg(BH4)2 and Ca(BH4)2 with 14.9 and 11.6 mass% hydrogen, respectively, are among the most promising materials for mobile hydrogen storage, but until now very little has been known about their hydrogen desorption properties. In this work the materials have been studied by time-resolved in situ synchrotron powder X-ray diffraction, thermal desorption spectroscopy and energy dispersive X-ray spectroscopy, and details of the phase transitions and decomposition routes are reported.

Graphical abstract: In situ synchrotron diffraction studies of phase transitions and thermal decomposition of Mg(BH4)2 and Ca(BH4)2

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Article information

DOI
https://doi.org/10.1039/B712750B
Article type
Communication
Submitted
17 Aug 2007
Accepted
30 Oct 2007
First published
02 Nov 2007

J. Mater. Chem., 2007,17, 4939-4942

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In situ synchrotron diffraction studies of phase transitions and thermal decomposition of Mg(BH4)2 and Ca(BH4)2

M. D. Riktor, M. H. Sørby, K. Chłopek, M. Fichtner, F. Buchter, A. Züttel and B. C. Hauback, J. Mater. Chem., 2007, 17, 4939 DOI: 10.1039/B712750B

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