Fig. 2: Enhancing Li salt dissociation.

a Free energy of mixing (ΔEMix) of ZM/LiBETI (vs. ZP/LiBETI (control sample)) estimated using DFT calculation. b, c BF-STEM image (b) and linear scanning EDS (N element originated from the ZPE) mapping images (c) of the ZPE (vs. ZP/LiBETI), where the inset is a cross-sectional FE-SEM image of ZPE. d LSCM surface topography images of the ZPE (vs. ZP/LiBETI). e XRD profiles of the ZPE (vs. ZP/LiBETI). f Ionic conductivity of the ZPE (vs. ZP/LiBETI) at 25 °C. g Fraction of the Li+ CN in the ZPE (vs. ZP/LiBETI). h MSD analysis and DLi+ of the ZPE (vs. ZP/LiBETI).