Title: In-situ Neutron Diffraction Study of Magnesium Amide / Lithium Hydride Stoichiometric Mixtures with Lithium Hydride Excess
Authors: DOLCI FRANCESCOWEIDNER EvelineHOELZEL MarkusHANSEN ThomasMORETTO PietroPISTIDDA ClaudioBRUNELLI MichelaFICHTNER MaximilanLOHSTROH Wiebke
Citation: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY vol. 35 no. 11 p. 5448-5453
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2010
JRC N°: JRC56047
ISSN: 0360-3199
URI: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V3F-4YTD7C5-2&_user=4692146&_coverDate=06%2F30%2F2010&_alid=1353755513&_rdoc=1&_fmt=high&_orig=search&_cdi=5729&_sort=r&_docanchor=&view=c&_ct=3&_acct=C000036252&_version=1&_urlVersion=0&_userid=4
http://publications.jrc.ec.europa.eu/repository/handle/JRC56047
DOI: 10.1016/j.ijhydene.2010.03.030
Type: Articles in Journals
Abstract: The hydrogen sorption of mixtures of magnesium amide (Mg(NH2)2) and lithium hydride (LiH) with different molecular ratios have been investigated using in-situ neutron diffraction; the experiments were performed at D20/ILL and SPODI/FRMII. The results reveal a common reaction pathway for 1:2, 3:8 and 1:4 magnesium amide: lithium hydride mixtures. Intermediate reaction steps are observed in both ab- and desorption. The thermodynamic properties of the system at 200 C are not changed by the addition of excess lithium hydride. This finding has important implications for the tailoring the characteristics of this promising hydrogen storage material.
JRC Institute:Institute for Energy and Transport

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