| abstract |
The present embodiments relate to a cathode active material, a method for manufacturing the same, and a lithium secondary battery including the same. According to one embodiment, a lithium metal oxide, and a coating layer located on the surface of the lithium metal oxide, wherein the coating layer, a peak is observed in the range of 1580 cm -1 to 1600 cm -1 when measured by FT-IR, A positive electrode active material including the first compound having an average transmittance of the peak in the range of 0.990 to 0.998 may be provided. |