The effect of high temperature on the structure of solid solution Na(BH4)(1-x)Ix
Solid solutions of sodium borohydride and sodium iodide have been studied for their potential as sodium-ion battery electrolytes, but have displayed discontinuous behaviour when measuring temperature-dependent EIS, which varies with composition. This leads to interest in how the composition may affect the structure and/or structural changes at elevated temperatures. 5 samples will be studied, from room temperature up to 350C, with iodide content increasing by 20% with each sample. The samples will be enriched with isotopes 11B and 2H to improve their neutron performance, and allow study of these lightweight structures which is impossible with X-ray diffraction.
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GREGORY Duncan; PUENTE ORENCH Ines and STEVENSON Siobhan. (2021). The effect of high temperature on the structure of solid solution Na(BH4)(1-x)Ix. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-24-686
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