In situ neutron powder diffraction investigation of structural changes in confined NaAlD4/carbon composites during cycling
Nanoconfinement of hydrides inside a porous scaffold material is a perspective method to lower the release temperature, improve the release and absorption kinetics of H2 and prevent the segregation of decomposition products during H2 release. In this proposal in situ neutron powder diffraction of NaAlD4 confined in/on carbon scaffold materials is proposed. Two different scaffolding materials and bulk NaAlD4 will be used and the structural changes during desorption/absorption of D2 will be determined. The two scaffold carbon materials are chosen to be microporous and mesoporous to determine the influence of the carbon materials porosity on the confinement of NaAlH4. From these data the segregation of decomposition products and and the formation of amorphous and/or smaller crystallites during cycling will be determined. The results will be used to better design and optimize further complex metal hydride/carbon composites.
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The recommended format for citing this dataset in a research publication is in the following format:
Rasmus Palm; Ola Kenji Forslund; Thomas C. Hansen; JOHNSEN Sebastian; MANSSON MARTIN and NOCERINO Elisabetta. (2021). In situ neutron powder diffraction investigation of structural changes in confined NaAlD4/carbon composites during cycling. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-24-689
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