Positive electrode additive, manufacturing method thereof, and positive electrode and lithium rechargeable battery including the same

Abstract

The present disclosure relates to a positive electrode additive, a manufacturing method thereof, and a positive electrode and a lithium rechargeable battery including the same. Specifically, one embodiment of the present disclosure provides a positive electrode additive for a lithium rechargeable battery comprising: a compound represented by the following Chemical Formula 1; a compound represented by the following Chemical Formula 2; and lithium phosphate (Li3PO4): Li2+aNibM1−bO2+c  [Chemical Formula 1] wherein, M is a metal element forming a divalent cation, −0.2≤a≤0.2, 0.5≤b≤1.0, and −0.2≤c≤0.2, Ni2−eM1−eP4O12  [Chemical Formula 2] wherein, 0.5≤e≤1.0, and M is the same as defined in Chemical Formula 1.

Dependencies are inferred from the claim text.