Title:
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, CATHODE COMPRISING SAME FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/004988
Kind Code:
A1
Abstract:
The present invention provides a cathode active material for lithium secondary battery, the cathode active material being a lithium composite transition metal oxide comprising transition metals including nickel (Ni), cobalt (Co), and manganese (Mn), wherein: the lithium composite transition metal oxide is doped with doping elements including cobalt (Co) and titanium (Ti); the lithium composite transition metal oxide comprises at least one lithium layer and at least one transition metal layer containing the transition metals; and the lithium layer and the transition metal layer are alternatively arranged, the lithium layer having a thickness of 2.146-2.182Å, the transition metal layer having a thickness of 2.561-2.595Å.
Inventors:
KIM WON TAE (KR)
YU JONG YEOL (KR)
HA SEOUNG CHUL (KR)
SHIN SUN SIK (KR)
PARK HONG KYU (KR)
KANG SEONG HOON (KR)
YU JONG YEOL (KR)
HA SEOUNG CHUL (KR)
SHIN SUN SIK (KR)
PARK HONG KYU (KR)
KANG SEONG HOON (KR)
Application Number:
PCT/KR2019/007833
Publication Date:
January 02, 2020
Filing Date:
June 27, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/36; C01G53/00; H01M4/485; H01M4/505; H01M4/525; H01M4/62; H01M10/052
Foreign References:
| KR20180038580A | 2018-04-16 | |||
| KR20140018543A | 2014-02-13 | |||
| JP2014116161A | 2014-06-26 | |||
| KR20120044651A | 2012-05-08 | |||
| JPS622205B2 | 1987-01-19 | |||
| KR101510940B1 | 2015-04-10 |
Other References:
See also references of EP 3780174A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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