Title:
NEGATIVE ELECTRODE SLURRY COMPOSITION FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/088809
Kind Code:
A3
Abstract:
The present invention relates to a negative electrode slurry composition, comprising: (1) clay having a plate-like structure and having an average diameter (D50) of 10 nm to 2 ㎛; (2) carboxymethylcellulose (CMC); (3) a negative electrode active material; and (4) an aqueous solvent, wherein the weight ratio of carboxymethylcellulose to clay is from 9.5:0.5 to 4:6, and, more particularly, to a negative electrode slurry composition in which problems due to storage stability in a negative electrode slurry composition having a high solid content and deterioration in dispersibility of a solid component are solved.
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Inventors:
LEE JONG WON (KR)
YOO HOUNG SIK (KR)
CHOI HYEON (KR)
YOO HOUNG SIK (KR)
CHOI HYEON (KR)
Application Number:
PCT/KR2018/013414
Publication Date:
June 20, 2019
Filing Date:
November 06, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/13; H01M4/139; H01M4/62; H01M10/052
Foreign References:
| KR20080023373A | 2008-03-14 | |||
| US20020177043A1 | 2002-11-28 | |||
| KR20130005876A | 2013-01-16 | |||
| KR20170055359A | 2017-05-19 |
Other References:
VON HAGEN, ROBIN ET AL.: "LAPONITE as an additive in lithium-ion battery electrodes", 20 September 2017 (2017-09-20), pages 1 - 13, XP055618828, Retrieved from the Internet
BYK - ALTANA: "BYK Additives for electrodes of Li-Ion Batteries", BYK ADDITIVES & INSTRUMENTS, 20 September 2017 (2017-09-20), XP055618836, Retrieved from the Internet
BYK - ALTANA: "BYK Additives for electrodes of Li-Ion Batteries", BYK ADDITIVES & INSTRUMENTS, 20 September 2017 (2017-09-20), XP055618836, Retrieved from the Internet
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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