Title:
NEGATIVE ELECTRODE AND SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/050661
Kind Code:
A1
Abstract:
The present invention relates to a negative electrode comprising a current collector and a negative electrode active material layer on the current collector, wherein the negative electrode active material layer comprises: a negative electrode active material; a conductive material; and a binder, wherein the negative electrode active material comprises silicon particles having an average particle diameter (D50) of 4 µm to 10 µm, the conductive material comprises carbon nanotubes and a graphitic conductive material, and the binder comprises a copolymer including polyvinyl alcohol-derived units and ionized substituted acrylate-derived units.
Inventors:
KIM YOUNG JAE (KR)
YOO JUNG WOO (KR)
YOO JUNG WOO (KR)
Application Number:
PCT/KR2019/011507
Publication Date:
March 12, 2020
Filing Date:
September 05, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/134; H01M4/36; H01M4/38; H01M4/587; H01M4/62; H01M10/052
Foreign References:
| KR20170033123A | 2017-03-24 | |||
| KR20180007335A | 2018-01-22 | |||
| KR20140139845A | 2014-12-08 | |||
| KR20150018088A | 2015-02-23 | |||
| JP2016110876A | 2016-06-20 | |||
| JP2006228640A | 2006-08-31 | |||
| JPH11250915A | 1999-09-17 |
Other References:
See also references of EP 3828964A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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