Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/216695
Kind Code:
A1
Abstract:
The present invention pertains to a lithium secondary battery comprising: a positive electrode containing a lithium-nickel-cobalt-manganese-based positive electrode active material having a nickel content of at least 80 mol% with respect to the total amount of transition metals; a negative electrode containing a silicon-based negative electrode active material; a separator; and a non-aqueous electrolytic solution containing a non-aqueous organic solvent and a lithium salt, wherein the concentration of the lithium salt is 1.8-5 M, and the lithium salt includes LiPF6 and lithium bis(fluorosulfonyl)imide.
Inventors:
SHIN WON KYUNG (KR)
AHN KYOUNG HO (KR)
LEE CHUL HAENG (KR)
OH JEONG WOO (KR)
KIM MIN JUNG (KR)
AHN KYOUNG HO (KR)
LEE CHUL HAENG (KR)
OH JEONG WOO (KR)
KIM MIN JUNG (KR)
Application Number:
PCT/KR2019/005632
Publication Date:
November 14, 2019
Filing Date:
May 10, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/525; H01M4/36; H01M4/38; H01M4/485; H01M4/505; H01M4/58; H01M10/0525; H01M10/0567
Foreign References:
| JP2017021949A | 2017-01-26 | |||
| JP2015230816A | 2015-12-21 | |||
| KR20150050974A | 2015-05-11 | |||
| JP2011082033A | 2011-04-21 | |||
| KR20160001783A | 2016-01-07 | |||
| KR20180057301A | 2018-05-30 |
Other References:
See also references of EP 3712993A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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