Title:
NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/093853
Kind Code:
A1
Abstract:
The present invention relates to a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same and, specifically, to a non-aqueous electrolyte for a lithium secondary battery, the non-aqueous electrolyte comprising: a lithium salt; an organic solvent; and an additive, the additive being a mixture additive comprising lithium difluorophosphate, fluorobenzene, tetravinyl silane, and a compound containing one sulfonate group or sulfate group at a weight ratio of 1 : 2-8 : 0.05-0.3 : 0.5-2, and to a lithium secondary battery comprising the same.
Inventors:
KIM HA EUN (KR)
LIM YOUNG MIN (KR)
KIM GWANG YEON (KR)
LEE CHUL HAENG (KR)
LIM YOUNG MIN (KR)
KIM GWANG YEON (KR)
LEE CHUL HAENG (KR)
Application Number:
PCT/KR2018/013783
Publication Date:
May 16, 2019
Filing Date:
November 13, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/0567; H01M4/505; H01M4/525; H01M10/052
Foreign References:
| KR20170068595A | 2017-06-19 | |||
| KR20170110995A | 2017-10-12 | |||
| KR100546919B1 | 2006-01-26 | |||
| US20140120414A1 | 2014-05-01 | |||
| KR20160036810A | 2016-04-05 | |||
| JP2017117684A | 2017-06-29 |
Other References:
See also references of EP 3648231A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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