Title:
ELECTRODE ASSEMBLY INCLUDING COATING LAYER FORMED ON OTHER SURFACE OF SINGLE-SIDED POSITIVE ELECTRODE AND SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/090684
Kind Code:
A1
Abstract:
The present invention relates to an electrode assembly for a lithium secondary battery and a secondary battery comprising same, wherein at least one electrode disposed at the outermost region of the electrode assembly is a single-sided positive electrode, in which an active material coating layer is formed only one surface of a current collector facing an inside electrode with a separator therebetween, and wherein a coating layer containing 60 wt% or more of a particle-type superengineering plastic polymer is formed on the other surface of the current collector of the single-sided positive electrode.
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Inventors:
LEE JUNG PIL (KR)
RYU JIHOON (KR)
KIM DONG KYU (KR)
RYU JIHOON (KR)
KIM DONG KYU (KR)
Application Number:
PCT/KR2022/016638
Publication Date:
May 25, 2023
Filing Date:
October 28, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/0583; C09D201/00; C09J11/00; C09J201/00; H01M10/052; H01M10/0585
Foreign References:
| KR20200060823A | 2020-06-02 | |||
| KR102228628B1 | 2021-03-15 | |||
| KR102009736B1 | 2019-08-12 | |||
| KR20190046688A | 2019-05-07 | |||
| KR20200141859A | 2020-12-21 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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