US 11,923,542 B2
Positive active material for lithium rechargeable battery, manufacturing method thereof, and lithium rechargeable battery including same positive active material
Jung Hoon Song, Seoul (KR); Geun Hwangbo, Incheon (KR); Sang Cheol Nam, Seoul (KR); Sang Hyuk Lee, Incheon (KR); Do Hyeong Kim, Pohang-si (KR); and Hye Won Park, Changwon-si (KR)
Assigned to RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si (KR)
Appl. No. 16/767,699
Filed by RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si (KR)
PCT Filed Nov. 20, 2018, PCT No. PCT/KR2018/014278
§ 371(c)(1), (2) Date May 28, 2020,
PCT Pub. No. WO2019/124767, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 10-2017-0177562 (KR), filed on Dec. 21, 2017.
Prior Publication US 2021/0184213 A1, Jun. 17, 2021
Int. Cl. H01M 4/525 (2010.01); C01G 53/00 (2006.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/525 (2013.01) [C01G 53/44 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A positive active material which is a lithium composite metal oxide including nickel, cobalt, and manganese, and has orientation in a direction of [001] with respect to an ND axis that is equal to or greater than 29% in the case of an EBSD (Electron Back Scatter Diffraction) analysis with a misorientation angle (Δg) that is equal to or less than 30 degrees.