SOLID ELECTROLYTE, METHOD FOR MANUFACTURING THE SAME, AND ALL SOLID STATE RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

摘要

The present invention relates to a solid electrolyte, a manufacturing method thereof, and a lithium secondary battery comprising the same. Provided are: a solid electrolyte with a garnet structure doped with boron (B) and tantalum (Ta); a manufacturing method of solid electrolyte powder with the garnet structure doped with boron (B) and tantalum (Ta); and a lithium secondary battery comprising the same. According to one embodiment of the present invention, provided is the solid electrolyte, which has improved ion conductivity and reduced sintering time.