Theoretical analysis of reversible phase evolution in Li-ion conductive halides
- Theoretical analysis of reversible phase evolution in Li-ion conductive halides
- 김병국; 이종호; 김형철; 김지수; 신성수
- Phase evolution; Hydration; Hydrolysis; Li3InCl6; Density functional theory; All-solid-state battery
- Issue Date
- Applied surface science
- VOL 574, NO 1, 151621
- We investigated the reversible phase evolution reaction of Li3InCl6 as a representative halide Li-ion conductor due to the reaction of H2O based on the density functional theory. To understand the surface reactivity of Li3InCl6, the hydrolysis reaction was calculated using the thermodynamically stable Li3InCl6 surface. We found that the low adsorption energy of ？0.60 eV and the high energy barrier of 2.10 eV were induced the formation of hydrated phase due to the continuous adsorption of H2O rather than destructive hydrolysis reaction. Furthermore, the H2O adsorption can lower the surface energy and continuously form a new surface to induce a phase evolution.
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