LCO type lithium composite coated with lithium rich antiperovskite compounds, preparation method thereof, positive active material and lithium secondary battery comprising the same
The invention Li rich anti page lobe LCO based lithium complex the Sky agent is coated, a preparation method thereof, relates to a positive electrode active material and a lithium secondary battery comprising the same, and lithium in the LCO based particles surface rich anti perovskite (Lithium Rich Antiperovskites, LiRAP) when used as a lithium composite coating layer is formed of a compound having a crystal structure as a cathode active material and the glass in cells operating at high voltage, has a high lithium ion conductivity, the lithium secondary battery that is excellent in thermal stability, driving at a high temperature to be applied.