| abstract |
The present invention relates to a positive electrode active material for a lithium secondary battery, a method for producing the same, a positive electrode containing the same, and a lithium secondary battery. Specifically, in one embodiment of the present invention, in one embodiment of the present invention, a core is a secondary particle in which a plurality of nickel-based lithium metal oxide particles are aggregated; A coating matrix continuously coating the outer surface of the core and the outer surface of the core inner particles and comprising boron (B); And coating particles dispersed discontinuously in the coating matrix and containing at least one metal element (M) among W, Al, Ti, and Zr. The present invention also provides a cathode active material for a lithium secondary battery. |