Title:
SEPARATOR FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2024/085574
Kind Code:
A1
Abstract:
The present invention relates to a separator for an electrochemical device comprising a lithium manganese-based active material, the separator comprising: a porous polymer substrate; and a porous coating layer laminated on at least one side of the porous polymer substrate and comprising inorganic particles and a polymer binder, wherein the inorganic particles are made by a sulfonic acid group that is introduced onto the surface of a metal oxide or metal hydroxide, and at least a part of the sulfonic acid group is made by hydrogen cations that are replaced with lithium cations.
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Inventors:
YOON YEO JU (KR)
KIM SEONG JUN (KR)
JEONG SO MI (KR)
KIM SEONG JUN (KR)
JEONG SO MI (KR)
Application Number:
PCT/KR2023/015977
Publication Date:
April 25, 2024
Filing Date:
October 17, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/451; H01G11/52; H01M50/446; H01M50/46; H01M50/489
Foreign References:
| KR20180041683A | 2018-04-24 | |||
| JP2002025527A | 2002-01-25 | |||
| KR101834482B1 | 2018-04-13 | |||
| KR20210019442A | 2021-02-22 | |||
| KR20130099592A | 2013-09-06 |
Attorney, Agent or Firm:
IPCJ PATENT & LAW FIRM (KR)
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