| abstract |
The present invention relates to a positive electrode active material for a lithium secondary battery having excellent safety, a manufacturing method thereof, and a lithium secondary battery including the same. The cathode active material for a lithium secondary battery of the present invention includes a lithium metal oxide secondary particle core formed by aggregation of lithium metal oxide primary particles; And a shell part formed by coating barium titanate and a metal oxide on the secondary particle core part. The positive electrode active material of the present invention enables the production of a lithium secondary battery having improved safety, particularly thermal stability and overcharge characteristics.n n n n Cathode Active Material, Core, Shell, Safety |