SULFIDE-BASED SOLID ELECTROLYTE, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

The present invention discloses a sulfide-based solid electrolyte, which is capable of having high ionic conductivity and improving the rate performance of a battery by using three types of halogen elements and adjusting the doping concentration thereof, a method of preparing the same, and an all-solid-state battery including the same.