Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ijhydene.2008.04.010
Title: Dehydrogenation of LiAlH4 in HMPA
Authors: Zheng, X.
Xiong, Z. 
Qin, S.
Chua, Y.
Chen, H.
Chen, P. 
Keywords: HMPA
Hydrogen desorption
LiAlH4
Issue Date: Jul-2008
Citation: Zheng, X., Xiong, Z., Qin, S., Chua, Y., Chen, H., Chen, P. (2008-07). Dehydrogenation of LiAlH4 in HMPA. International Journal of Hydrogen Energy 33 (13) : 3346-3350. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijhydene.2008.04.010
Abstract: In this study, hydrogen desorption from LiAlH4 in HMPA solution was investigated. One equiv. H atom per LiAlH4 was evolved from the solution at ambient temperature. Heating the solution to ∼90 °C led to the evolution of three more H atoms. Unlike the solid-state thermal decomposition, LiAlH4 in solution does not decompose to the Li3AlH6 intermediate. In fact, Li3AlH6 was found to be unstable in HMPA. Two equiv. H atoms were found to detach from Li3AlH6 upon mixing it with HMPA at ambient temperature. Subsequent heating of the resulting solution to 90 °C resulted in the dehydrogenation of ca. 4 equiv. H atoms. © 2008 International Association for Hydrogen Energy.
Source Title: International Journal of Hydrogen Energy
URI: http://scholarbank.nus.edu.sg/handle/10635/93527
ISSN: 03603199
DOI: 10.1016/j.ijhydene.2008.04.010
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