Fig. 5: Battery performance of the quasi-all-solid-state Li||NCM111 cells comprising Li7La3Zr0.4Hf0.4Sn0.4Sc0.4Ta0.4O12 as solid electrolyte.

a Electrochemical profile of solid-state batteries at 60 °C with a current density (J) of 0.8 mA/cm2 from first to fifth cycles. Inset is the Nyquist plot of the cell at 25 °C before cycling. b Charge/discharge voltage profile with current density (J) increasing from 0.6 to 2.2 mA/cm2 (∆J = 0.2 mA/cm2) at 60 °C. c Long-term cycling stability performance of the quasi-all-solid-state Li||NCM111 cell at 60 °C and 0.8 mA/cm2.