Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 580, Issue -, Pages S47-S50Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.02.025
Keywords
Energy storage materials; Diffusion; Inelastic neutron scattering
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Funding
- DOE-EERE [DE-AI-01-05EE11104, DE-EE0002978, DE-FC36-05GO15067]
- National Science Foundation [DMR-0944772]
- Russian Foundation for Basic Research [12-03-00078]
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The reorientational dynamics of tetrahydroborate (BH4-) anions in a variety of environments were probed as a function of temperature via fixed-window scans (FWSs) at zero energy transfer using a neutron backscattering spectrometer. The temperature dependence of the FWS was shown to be a sensitive indicator of the relative reorientational mobilities of BH4- anions in the various alkali-metal borohydride compounds MBH4 (M = Li, Na, K, Rb, Cs), LiBH4 nanoconfined in carbon aerogel, and LiBH4-LiI solid solution. Published by Elsevier B.V.
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