Li-ion diffusion mechanism in sulfide-based electrolytes for solid-state Li-ion batteries by high resolution QENS
Solid electrolytes are one of the very few viable solutions that could stimulate a breakthrough in the battery safety, since contrary to organic-based electrolyte solid electrolytes are not flammable. Unfortunately, thei conductivity is generally very low compared to the liquid ones leading to the development of novel solid-state electrolytes so call super ionic conductors. Based on glass ceramics electrolyte, the thiosulfates solid electrolyte can deliver an ionic conductivity of ca.15 mS/cm as close as the one of liquid based electrolyte. However, to date, lot of questions remain regarding the relationship between the structure of the solid electrolyte and the Li-ion dynamics within the crystal, a process only sporadically investigated due to the lack of adequate technique. Here we propose to use quasielastic neutron scattering (QENS) to probe several solid electrolytes from the Li-S-P family to determine the Li-ion diffusion mechanism in the crystal, and to couple this molecular-level information to the ionic conductivity measured by electrochemical methods. Coupling both approaches will lead to a deeper understanding of the lithium ion superionic conductors.
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The recommended format for citing this dataset in a research publication is in the following format:
VILLEVIEILLE Claire; APPEL Markus; BERROD Quentin; LECARME Laureline; LYONNARD Sandrine; PICARD Tanguy; RIPOCHE Lea and ZANOTTI Jean-Marc. (2021). Li-ion diffusion mechanism in sulfide-based electrolytes for solid-state Li-ion batteries by high resolution QENS. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-03-201
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