Issue 10, 2013
From the journal:

Journal of Materials Chemistry A

Altered reaction pathways of eutectic LiBH4–Mg(BH4)2 by nanoconfinement†

Zhirong Zhao-Karger,*a   Raiker Witter,b   Elisa Gil Bardají,a   Di Wang,a   Daniel Cossementc  and  Maximilian Fichtnera  

* Corresponding authors

a Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology, P.O. Box 3640, D-76021 Karlsruhe, Germany
E-mail: zhirong.zhao-karger@kit.edu
Fax: +49 721 6082 6368
Tel: +49 7216082 8908

b Technomedicum Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia

c Institut de recherche sur l'hydrogène, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada G9A 5H7

Abstract

The effects of nanoconfinement on the dehydrogenation rate and reaction pathways of the eutectic LiBH4–Mg(BH4)2 have been comprehensively investigated. By means of thermal analysis, mass spectroscopy and solid state 11B MAS NMR, it has been revealed that the multistep thermal decomposition pattern of the binary LiBH4–Mg(BH4)2 has been altered in a two-step reaction and the desorption kinetics has also been significantly improved after infiltration. The formation of diborane and stable MnB12H12 intermediates of the bulk LiBH4–Mg(BH4)2 has been found to be inhibited by nanoconfinement.

Graphical abstract: Altered reaction pathways of eutectic LiBH4–Mg(BH4)2 by nanoconfinement

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Article information

DOI
https://doi.org/10.1039/C2TA00542E
Article type
Paper
Submitted
03 Oct 2012
Accepted
02 Jan 2013
First published
07 Jan 2013

J. Mater. Chem. A, 2013,1, 3379-3386

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Altered reaction pathways of eutectic LiBH4–Mg(BH4)2 by nanoconfinement

Z. Zhao-Karger, R. Witter, E. G. Bardají, D. Wang, D. Cossement and M. Fichtner, J. Mater. Chem. A, 2013, 1, 3379 DOI: 10.1039/C2TA00542E

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