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

XPS spectra of LAGP-PP separator surface after 10 cycles in Li/separator/LiCoO₂ cell at 0.1C. XPS spectra of (a) LAGP-PP separator surface, (b) C 1s, (c) O 1s, (d) F 1s, (e) Al 2p, (f) P 2p, and (g) Ge 3d.