Safe extended-range cycling of Li4Ti5O12-based anodes for ultra-high capacity thin-film batteries

Dataser for article "Safe extended-range cycling of Li4Ti5O12-based anodes for ultra-high capacity thin-film batteries" in Mater. Today Energy 2022. The data includes: -XRD and Raman patterns of the films (Fig. 2) -Cyclic voltammograms and charge-dischage profiles of the different films (Fig. 4) -Capacity vs. C-rate for the different flms (Fig. 5) -Capacity vs. cycle number at different electrochemical window (Fig. 6) - Operando Spectroscopic Ellipsometry - Including operando charge-discharge profile vs time in the extended voltage window, the imaginary part of the permittivity as a function of energy, and extracted ellipsometry data, the amplitude of the second oscilator and the imaginary part of the permittivity at 1.5eV as a function of time (Fig. 7) -Ex- situ Raman spectroscopy (Fig. 8)