| abstract |
A positive electrode active material, a positive electrode comprising a core including a lithium nickel composite oxide represented by Formula 1, and a surface layer present on the core and including at least one of a water-soluble ammonium-based polymer and a water-soluble amine-based polymer A method of manufacturing an active material, and a lithium secondary battery including the same. Specific details of Chemical Formula 1 are as defined in the specification. |