Title:
LITHIUM COMPOSITE OXIDE PRECURSOR, PREPARATION METHOD THEREFOR, AND LITHIUM COMPOSITE OXIDE PREPARED USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/027215
Kind Code:
A2
Abstract:
The present invention relates to a lithium composite oxide precursor, a preparation method therefor, and a lithium composite oxide prepared thereby, wherein a positive electrode active material for a lithium secondary battery according to an embodiment of the present invention is in a spherical shape grown from a seed and is represented by LixNi1-a-b-cCoaM1bM2cM3dOw (in chemical formula 2, 0.95≤x≤1.05, 1.50≤w≤2.1, 0.02≤a≤0.25, 0.01≤b≤0.20, 0≤c≤0.20, 0≤d≤0.20, M1 is Mn or Al, and M2 and M3 are at least one selected from the group consisting of Al, Ba, B, Co, Ce, Cr, F, Li, Mg, Mn, Mo, P, Sr, Ti, and Zr).
Inventors:
CHOI MOON HO (KR)
PARK JONG HWAN (KR)
HEO GYEONG JAE (KR)
YU HYUN JONG (KR)
LEE KYOUNG JUN (KR)
KONG YOUNG SUN (KR)
CHOI YOON YOUNG (KR)
KIM SEON HYE (KR)
LEE MI SUN (KR)
KIM SANG MI (KR)
PARK JONG HWAN (KR)
HEO GYEONG JAE (KR)
YU HYUN JONG (KR)
LEE KYOUNG JUN (KR)
KONG YOUNG SUN (KR)
CHOI YOON YOUNG (KR)
KIM SEON HYE (KR)
LEE MI SUN (KR)
KIM SANG MI (KR)
Application Number:
PCT/KR2018/008652
Publication Date:
February 07, 2019
Filing Date:
July 30, 2018
Export Citation:
Assignee:
ECOPRO BM CO LTD (KR)
SAMSUNG SDI CO LTD (KR)
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M4/36; C01G53/00; H01M4/485; H01M4/505; H01M4/525; H01M10/052
Attorney, Agent or Firm:
KIM, Tae Sun (KR)
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