Investigation of the cathodic interfacial stability of a nitrile electrolyte and its performance with a high-voltage LiCoO2 cathode

We adopted a SN based deep eutectic electrolyte with the SN as the only solvent and found that the high-state Co ion could be reduced by the SN solvent on the interface of the LiCoO₂ electrode, causing a reverse phase change of the LiCoO₂.