Hydrogen Dynamics in Lightweight Tetrahydroborates
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Date
2010
Publication Type
Journal Article
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yes
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Abstract
The high hydrogen content in complex hydrides such as M[AlH₄]ₓ and M[BH₄]ₓ (M = Li, Na, K, Mg, Ca) stimulated many research activities to utilize them as hydrogen storage materials. An understanding of the dynamical properties on the molecular level is important to understand and to improve the sorption kinetics. Hydrogen dynamics in complex hydrides comprise long range translational diffusion as well as localized motions like vibrations, librations or rotations. All the different motions are characterized by their specific length- and timescales. Within this review we give an introduction to the physical properties of lightweight complex hydrides and illustrate the huge variety of dynamical phenomena on selected examples.
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published
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Journal / series
Volume
224 (1-2)
Pages / Article No.
263 - 278
Publisher
Oldenbourg
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Subject
Hydrogen; Dynamics; Tetrahydroborates
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Notes
Received 30 March 2009, Accepted 17 August 2009. It was possible to publish this article open access thanks to a Swiss National Licence with the publisher