Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/229442
Kind Code:
A1
Abstract:
The present invention relates to a lithium secondary battery comprising: a positive electrode; a negative electrode; a separator; and an electrolyte. The negative electrode comprises: a negative electrode current collector; and a negative electrode active material layer formed on at least one surface of the negative electrode current collector. The negative electrode active material layer comprises a negative electrode active material, an aqueous binder, and a lithium carboxymethyl cellulose salt (CMC-Li salt). The electrolyte comprises a lithium salt and an organic solvent, and the organic solvent comprises diethyl carbonate.
Inventors:
KOO CHANG WAN (KR)
PARK MIN A (KR)
CHUNG KYUNG SIL (KR)
YEO CHANG HUN (KR)
PARK MIN A (KR)
CHUNG KYUNG SIL (KR)
YEO CHANG HUN (KR)
Application Number:
PCT/KR2023/007322
Publication Date:
November 30, 2023
Filing Date:
May 26, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/133; H01M4/02; H01M4/36; H01M4/38; H01M4/48; H01M4/587; H01M4/62; H01M10/0525; H01M10/0569
Foreign References:
| KR101623637B1 | 2016-05-24 | |||
| KR20180111322A | 2018-10-11 | |||
| KR20180054434A | 2018-05-24 | |||
| KR20050041859A | 2005-05-04 | |||
| KR20140005079A | 2014-01-14 | |||
| KR20220065484A | 2022-05-20 |
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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