| abstract |
A compound capable of reversible intercalation and deintercalation of lithium; And A coating layer disposed on at least a part of the surface of the compound, Wherein the coating layer comprises Li3PO4 and the coating layer is a composite coating layer further comprising a lithium metal oxide, a metal oxide, or a combination thereof, Wherein at least one of the lithium metal oxide and the metal oxide includes a metal M and the metal M 1 is at least one selected from the group consisting of Na, K, Mg, Ca, Sr, Ni, Co, Ti, Al, Si, Cr, Fe, V, and Zr, And a metal M2 composed of Ni, Co, and Mn, which is different from the compound capable of reversible intercalation and deintercalation of lithium. The positive electrode active material for a lithium secondary battery according to claim 1, . |