Nanoconfined magnesium borohydride for hydrogen storage applications investigated by SANS and SAXS
Sartori, S.
,
Knudsen, K.D.
,
Zhao-Karger, Z.
,
Bardaji, E.G.
,
Muller, J.
,
Fichtner, M.
,
Hauback, B.C.
Journal of physical chemistry B, Vol. 114, no. 44 (2010), 18785-18789
- Publ. year
- 2010
- Publ. type
- article
- Abstract
- Nanoconfined Magnesium Borohydride for Hydrogen Storage Applications Investigated by SANS and SAXS AbstractFull Text HTMLHi-Res PDF[1322 KB]PDF w/ Links[243 KB]FiguresSabrina Sartori*†, Kenneth D. Knudsen†, Zhirong Zhao-Karger‡, Elisa Gil Bardaji‡, Jiri Muller†, Maximilian Fichtner‡, and Bjørn C. Hauback† Institute for Energy Technology, P.O. Box 40, NO-2027 Kjeller, Norway, and Karlsruhe Institute of Technology, Institute of Nanotechnology, P.O. Box 3640, D-76021 Karlsruhe, Germany J. Phys. Chem. C, 2010, 114 (44), pp 18785–18789 DOI: 10.1021/jp1058726 Publication Date (Web): October 18, 2010 Copyright © 2010 American Chemical Society * Corresponding author. E-mail: sabrinas@ife.no. Tel: +47 63806388. Fax: +47 63810920., † Institute for Energy Technology. , ‡ Karlsruhe Institute of Technology. Abstract Nanoscale hydride systems have recently gained increased attention for their possible energy storage applications. In the present work, nanoscale particles of Mg(11BD4)2 infiltrated into an activated carbon scaffold were studied by small-angle scattering techniques, and their behavior was compared with that of the bulk powders. Upon heating to 400 °C, under dynamic vacuum, the nanoconfined particles maintain their size distribution, and the decomposition affects only the morphology of the particle surface. On the contrary, the bulk powders showed a significant modification of both particle size and surface morphology under the same conditions. The carbon scaffold therefore serves to ensure both the desired nanoscale organization of the magnesium borohydride and stabilization in size of the incorporated material.
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