Forming solid electrolyte interphase <italic>in situ</italic> in an ionic conducting Li1.5Al0.5Ge1.5(PO4)3-polypropylene (PP) based separator for Li-ion batteries

Forming solid electrolyte interphase in situ in an ionic conducting Li_1.5Al_0.5Ge_1.5(PO₄)₃-polypropylene (PP) based separator for Li-ion batteries

Wu Jiao-Yang¹, Ling Shi-Gang¹, Yang Qi¹, Li Hong^{1, †,}, Xu Xiao-Xiong², Chen Li-Quan¹

(a) Cyclic voltammetry curve of Li/LAGP-PP/LiCoO₂ cell at a scan rate of 1 mV·s⁻¹. (b) Impedance spectra of (ii) LAGP-PP separator after 380 cycles in Li/LAGP-PP/LiCoO₂ cell at 0.5C (iii) LAGP-PP separator soaked in the liquid electrolyte.