Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/068807
Kind Code:
A1
Abstract:
The present invention relates to a lithium secondary battery comprising: a non-aqueous electrolyte solution comprising a lithium salt, an organic solvent, a first additive represented by chemical formula 1, and a second additive represented by chemical formula 2; a positive electrode comprising a positive electrode active material containing a lithium composite transition metal oxide having a nickel content of 70 mol% or more with respect to the total transition metal content; a negative electrode comprising a negative electrode active material; and a separator interposed between the positive electrode and the negative electrode.
Inventors:
LEE JAE WON (KR)
LEE JUNG HOON (KR)
LEE CHUL HAENG (KR)
KANG YOO SUN (KR)
PARK SOL JI (KR)
LEE JUNG HOON (KR)
LEE CHUL HAENG (KR)
KANG YOO SUN (KR)
PARK SOL JI (KR)
Application Number:
PCT/KR2022/015960
Publication Date:
April 27, 2023
Filing Date:
October 19, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/0567; H01M4/505; H01M4/525; H01M10/052
Domestic Patent References:
| WO2015037382A1 | 2015-03-19 |
Foreign References:
| KR20200036789A | 2020-04-07 | |||
| KR20190008100A | 2019-01-23 | |||
| JP2000268859A | 2000-09-29 | |||
| KR20170132239A | 2017-12-01 | |||
| KR20210139182A | 2021-11-22 | |||
| KR20220134631A | 2022-10-05 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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