C01B25/445

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

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 (Li.sub.3PO.sub.4):
Li.sub.2+aNi.sub.bM.sub.1bO.sub.2+c[Chemical Formula 1] wherein, M is a metal element forming a divalent cation, 0.2a0.2, 0.5b1.0, and 0.2c0.2,
Ni.sub.2eM.sub.1eP.sub.4O.sub.12[Chemical Formula 2] wherein, 0.5e1.0, and M is the same as defined in Chemical Formula 1.

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

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 (Li.sub.3PO.sub.4):
Li.sub.2+aNi.sub.bM.sub.1bO.sub.2+c[Chemical Formula 1] wherein, M is a metal element forming a divalent cation, 0.2a0.2, 0.5b1.0, and 0.2c0.2,
Ni.sub.2eM.sub.1eP.sub.4O.sub.12[Chemical Formula 2] wherein, 0.5e1.0, and M is the same as defined in Chemical Formula 1.