Title:
NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/091215
Kind Code:
A1
Abstract:
The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery comprising same and, in particular, to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery comprising same, the electrolyte solution comprising a lithium salt, an organic solvent, and an additive, wherein 1,4-dicyano-2-butene (DCB) and a compound represented by chemical formula 1 are included as the additive.
Inventors:
LEE JUNG MIN (KR)
LIM YOUNG MIN (KR)
YEOM CHUL EUN (KR)
LEE CHUL HAENG (KR)
LIM YOUNG MIN (KR)
YEOM CHUL EUN (KR)
LEE CHUL HAENG (KR)
Application Number:
PCT/KR2020/015296
Publication Date:
May 14, 2021
Filing Date:
November 04, 2020
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/0567; H01M10/052
Domestic Patent References:
| WO2012074300A2 | 2012-06-07 |
Foreign References:
| KR20190054920A | 2019-05-22 | |||
| KR20170018975A | 2017-02-20 | |||
| KR20170128238A | 2017-11-22 | |||
| KR101765190B1 | 2017-08-04 |
Other References:
See also references of EP 3951989A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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