Using a recursive supercell refinement approach in reciprocal space along with real-space pair distribution function analysis, we describe restacked lithium tin sulfide as a partially turbostratically disordered material composed of lithium-containing and lithium-depleted layers. Li 0.8Sn 0.8S 2 exfoliates spontaneously in water and can be restacked into homogeneous films in which the lithium content is decreased, and a partial substitution of sulfur with hydroxyl groups takes place. Here, we report on the water-assisted fast conduction of lithium ions in restacked lithium tin sulfide nanosheets. Recently, exceptionally high ionic conductivities were discovered in 2D materials such as graphene oxide and vermiculite. While two-dimensional (2D) materials may preserve some intrinsic properties of the corresponding layered bulk material, new characteristics arise from their pronounced anisotropy or confinement effects.
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