Title:
CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2018/124593
Kind Code:
A1
Abstract:
The present invention relates to a cathode active material for a secondary battery, comprising: a lithium transition metal oxide containing nickel (Ni), cobalt (Co), and at least one selected from the group consisting of manganese (Mn) and aluminum (Al), wherein the content of nickel (Ni) in the total transition metal element in the lithium transition metal oxide is 80 mol% or more, and the cation mixing ratio of Ni cations in a lithium layer in the lithium transition metal oxide structure is 1.1% or less.
Inventors:
KIM JI HYE (KR)
PARK BYUNG CHUN (KR)
BAEK SO RA (KR)
YOO TAE GU (KR)
JUNG WANG MO (KR)
PARK BYUNG CHUN (KR)
BAEK SO RA (KR)
YOO TAE GU (KR)
JUNG WANG MO (KR)
Application Number:
PCT/KR2017/015046
Publication Date:
July 05, 2018
Filing Date:
December 19, 2017
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C01G53/00; H01M4/131; H01M4/525; H01M10/0525
Foreign References:
| KR20130102718A | 2013-09-23 | |||
| KR20160046292A | 2016-04-28 | |||
| KR20160086228A | 2016-07-19 | |||
| JP2012022995A | 2012-02-02 |
Other References:
PARK, KANG-JOON ET AL.: "A High-capacity Li[Ni0.8Co0.06Mn0.14]O2 Positive Electrode with a Dual Concentration Gradient for Next -generation Lithium-ion Batteries", JOURNAL OF MATERIALS CHEMISTRY A, vol. 3, 21 September 2015 (2015-09-21), pages 22183 - 22190, XP055427733
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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