Positive Electrode For All Solid State Battery And All Solid State Battery Comprising Same

Abstract: The present invention relates to: a cathode for an all-solid-state battery, comprising a cathode active material, a sulfide-based solid electrolyte, a conductive material and a binder; and an all-solid-state battery comprising the cathode, wherein the sulfide-based solid electrolyte includes a first sulfide-based solid electrolyte containing a bromine (Br) element and a second sulfide-based solid electrolyte containing no bromine (Br) element, the cathode active material includes a core capable of reversibly adsorbing and desorbing a lithium ion and a coating layer formed on the surface of the core, and the coating layer includes the first sulfide-based solid electrolyte.

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