SEPARATOR FOR LITHIUM-SULFUR BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM-SULFUR BATTERY COMPRISING SAME

Title:

SEPARATOR FOR LITHIUM-SULFUR BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM-SULFUR BATTERY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2019/160393

Kind Code:

A1

Abstract:

The present invention provides a separator for a lithium-sulfur battery, a lithium-sulfur battery manufactured using the same, and a method for manufacturing the separator, the separator comprising: a separator substrate; and a coating layer containing a sulfonate anionic group (-SO3 -), and formed on one or more surfaces of the separator substrate, wherein the coating layer comprises: a structural unit derived from one or more types of compounds containing one or more selected from a catechol group and a pyrogallol group, and one or more sulfonic acid groups; and a structural unit derived from dopamine.

Inventors:

KIM SUNJIN (KR)
YANG DOO KYUNG (KR)

Application Number:

PCT/KR2019/001977

Publication Date:

August 22, 2019

Filing Date:

February 19, 2019

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M10/052; H01M50/403; H01M50/414; H01M50/417; H01M50/457

Foreign References:

KR20170106125A	2017-09-20
KR20140136807A	2014-12-01
KR20170009280A	2017-01-25
KR20170090294A	2017-08-07
KR101327891B1	2013-11-11
KR20180019149A	2018-02-23
KR20130141234A	2013-12-26

Other References: