Solvent-free synthesis and decomposition of Y(BH4)(3)

The direct and solvent-free synthesis of yttrium borohydride was achieved by reactive ball milling of yttrium hydride in diborane/hydrogen atmosphere. The product contains only the solid elemental hydride as remaining contaminant. Yields above 75% were obtained. The product crystallizes in the cubic α phase and releases hydrogen above 460 K. The decomposition was measured by in situ X-ray diffraction and the hydrogen release was monitored gravimetrically in conjunction with infrared gas analysis. No diborane was detected during the decomposition. © 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.


Published in:
Scripta Materialia, 66, 5, 280-283
Year:
2012
ISSN:
1359-6462
Note:
Times Cited: 9
Laboratories:




 Record created 2015-03-03, last modified 2018-03-17


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