Title:
ANODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/050203
Kind Code:
A3
Abstract:
The present invention provides an anode for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery comprising the same, the anode for a lithium secondary battery comprising: an anode current collector; and an anode active material layer disposed on the anode current collector, wherein the anode active material layer comprises: a graphite-based active material having an average particle diameter (D50) of 5 ㎛ to 50 ㎛; silicon nanoparticles having an average particle diameter (D50) of 70 ㎚ to 300 ㎚; a first conductive material; and two or more kinds of cellulose-based compounds having different weight average molecular weights.
Inventors:
LEE JOO SUNG (KR)
LEE HEE WON (KR)
LEE HEE WON (KR)
Application Number:
PCT/KR2018/009882
Publication Date:
May 02, 2019
Filing Date:
August 27, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/134; H01M4/133; H01M4/1393; H01M4/1395; H01M4/36; H01M4/62; H01M10/0525
Foreign References:
| KR101753943B1 | 2017-07-19 | |||
| KR20150032014A | 2015-03-25 | |||
| KR20160112748A | 2016-09-28 | |||
| US20160344033A1 | 2016-11-24 | |||
| KR20090009053A | 2009-01-22 |
Other References:
See also references of EP 3644412A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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