Abstract
Abstract
Light weight hydrides based on aluminium are among the most promising materials for hydrogen storage applications since the hydrogen content is up to 11 wt%. The crystal structures of many promising aluminium-based compounds have been determined and refined during the last years. This review gives an overview of structures of tetra-alanates (with AlH4 tetrahedra), hexa-alanates (with AlH6 octahedra) and different modifications of AlH3. The structure determinations are based on powder diffraction with X-rays, synchrotron X-rays and neutrons. In most structural work neutron diffraction has been used in order to determine accurate hydrogen/deuterium positions. In addition, density functional theory has been used both to predict new structures among these compounds and in combination with experimental work.
Subject
Inorganic Chemistry,Condensed Matter Physics,General Materials Science
Cited by
63 articles.
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