Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, COMPRISING SAME, AND LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/203401
Kind Code:
A1
Abstract:
The present invention provides a high-nickel positive electrode active material having improved stability and initial capacity, and also having interfacial cracking between primary particles inhibited, a manufacturing method therefor, a positive electrode comprising same, and a lithium secondary battery. In addition, the present invention provides a high-nickel positive electrode active material enabling a washing process to be eliminated by suppressing lithium impurity content to a low level, a manufacturing method therefor, a positive electrode comprising same, and a lithium secondary battery.
Inventors:
JUN TAE HWAN (KR)
JUNG HAE JONG (KR)
KIM GYUN JOONG (KR)
OH MYOUNG HWAN (KR)
JUNG HAE JONG (KR)
KIM GYUN JOONG (KR)
OH MYOUNG HWAN (KR)
Application Number:
PCT/KR2022/004088
Publication Date:
September 29, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/36; C01G53/00; H01M4/505; H01M4/525; H01M4/62; H01M10/052
Domestic Patent References:
| WO2019168301A1 | 2019-09-06 |
Foreign References:
| KR20190088786A | 2019-07-29 | |||
| KR20140073856A | 2014-06-17 | |||
| KR20200091960A | 2020-07-31 |
Other References:
ZHANG HAILIN, XU JIAQIANG, ZHANG JIUJUN: "Surface-Coated LiNi0.8Co0.1Mn0.1O2 (NCM811) Cathode Materials by Al2O3, ZrO2, and Li2O-2B2O3 Thin-Layers for Improving the Performance of Lithium Ion Batteries", FRONTIERS IN MATERIALS, vol. 6, XP055918496, DOI: 10.3389/fmats.2019.00309
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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