Research Institute of Industrial Science & Technology

Hye Won Park

Sang Cheol Nam

Sang Hyuk Lee

Jung Hoon Song

Geun Hwangbo

Do Hyeong Kim

The present disclosure relates to a positive active material for a lithium rechargeable battery, a manufacturing method thereof, and a lithium rechargeable battery including the positive active material, and it provides a positive active material which is a lithium composite metal oxide including nickel, cobalt, and manganese, and either has orientation in a direction of with respect to an ND axis that is equal to or greater than 29% or has orientation in a direction of [120]+[210] with respect to an RD axis that is equal to or greater than 82% in the case of an EBSD analysis with a misorientation angle (Δg) that is equal to or less than 30 degrees.

Positive active material for lithium rechargeable battery, manufacturing method thereof, and lithium rechargeable battery including same positive active material

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Changwon-si, South Korea

Hye Won Park