Fig. 3From: Improved Cycling Stability of LiCoO2 at 4.5 V via Surface Modification of Electrodes with Conductive Amorphous LLTO Thin Filma Electrochemical impedance spectra of pristine LCO and LCO-LLTO-10 and the equivalent circuit model; b The correlation between Zre and ω−1/2 of pristine LCO and LCO-LLTO-10; c, d CV profiles of c pristine LCO and d LCO-LLTO-10 at a sweeping rate of 0.05 mV/s between 2.75 and 4.5 VBack to article page