Probing Ab-/desorption of Deuterium in Hydrogen Storage Materials with Neutron Diffraction In-situ
Solid state hydrogen storage is an attractive option for a clean energy carrier. Neutron diffraction during deuterium absorption/desorption offers the unique opportunity of probing in real time and under experimental conditions the phase transformation behavior of the investigated compounds. Deuterium sorption of mixtures of magnesium amide (MgND2)2 and lithium hydride (LiD) were investigated at 220°C and different deuterium pressures up to 70 bars. An intermediate reaction step was identified and the structures of the corresponding phases were refined. The results are important for optimizing this promising hydrogen storage system.
DOLCI Francesco;
WEIDNER Eveline;
HOELZEL Markus;
MORETTO Pietro;
LOHSTROH Wiebke;
2011-05-19
Technische Universität München
JRC62998
http://www.frm2.tum.de/fileadmin/stuff/information/documents/annualReports/ar2010-onlinekl.pdf,
https://publications.jrc.ec.europa.eu/repository/handle/JRC62998,
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