Title:
NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/054811
Kind Code:
A1
Abstract:
The present invention relates to a negative electrode for a lithium secondary battery and a lithium secondary battery including same, the negative electrode having improved insulation properties and comprising: a negative electrode active material layer; and a ceramic separation layer formed on the negative electrode active material layer, wherein the negative electrode active material layer has an arithmetic average surface roughness (Ra) of 0.01 µm to 0.3 µm, and the ceramic separation layer has a thickness of 1 µm to 30 µm.
Inventors:
SONG JUN HYUK (KR)
LEE JOO SUNG (KR)
KIM EUN KYUNG (KR)
LEE JOO SUNG (KR)
KIM EUN KYUNG (KR)
Application Number:
PCT/KR2018/010877
Publication Date:
March 21, 2019
Filing Date:
September 14, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/133; H01M10/0525; H01M50/434; H01M50/489; H01M50/491
Foreign References:
| KR20090108317A | 2009-10-15 | |||
| KR100570677B1 | 2006-04-12 | |||
| KR20170007140A | 2017-01-18 | |||
| KR20140095980A | 2014-08-04 | |||
| KR101351733B1 | 2014-01-15 |
Other References:
See also references of EP 3584861A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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