Cathode For All Solid State Battery, And All Solid State Battery Comprising Same

Abstract: A cathode for an all-solid-state battery, according to the present invention, reduces, by means of residual lithium that is bound to the surface of a cathode active material, resistance generated at the interface between a solid electrolyte and the active material. Therefore, an all-solid-state battery comprising the cathode active material has increased reversible capacity and reduced battery internal resistance (overvoltage). In addition, during the preparation of the cathode active material, a washing process for removing residual lithium can be omitted and an additional process of binding residual lithium to the surface of an active material is not required, and thus process costs for the preparation of the cathode active material can be reduced.

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