Fig. 6: Characterization of the Li6PS5Br (SE-liq) and Li6PS5Br (SE-bm) SEs obtained via liquid-phase synthesis and ball milling, respectively.

a Schematics illustrating the two preparation methods. b Raman spectra. c XRD patterns. d Particle size distributions. e Arrhenius plots constructed using AC EIS data at different temperatures. f Nyquist plots at room temperature.