Title:
BINDER FOR LITHIUM-SULFUR SECONDARY BATTERY AND LITHIUM-SULFUR SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/212162
Kind Code:
A1
Abstract:
The present invention relates to a binder for a lithium-sulfur secondary battery and a lithium-sulfur secondary battery including same. The binder comprises a copolymer having a first polymerization unit derived from a first monomer and a second polymerization unit derived from a second monomer. The first monomer is alkyl acrylate or alkyl methacrylate having one or more functional groups. The second monomer is an acrylic acid or a methacrylic acid. In the first monomer, the functional groups have a single or repeating structure of a thiol group, an amino group, or a hydroxy group that is substituted with C1-C4 alkyl or is unsubstituted. The second polymerization unit has a lithiated form.
Inventors:
KIM TAEK GYOUNG (KR)
KIM KYUNG OH (KR)
YANG DOO KYUNG (KR)
YOON SUNG SOO (KR)
YOON JEONGAE (KR)
KIM KYUNG OH (KR)
YANG DOO KYUNG (KR)
YOON SUNG SOO (KR)
YOON JEONGAE (KR)
Application Number:
PCT/KR2019/004385
Publication Date:
November 07, 2019
Filing Date:
April 11, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/62; C08F220/06; C08F220/18; C08F220/38; C08L33/02; C08L33/14; H01M4/13; H01M10/052
Foreign References:
| KR20180033665A | 2018-04-04 | |||
| JP2010140841A | 2010-06-24 | |||
| KR20160142823A | 2016-12-13 | |||
| KR20170050078A | 2017-05-11 | |||
| KR20180033677A | 2018-04-04 | |||
| JP4432906B2 | 2010-03-17 | |||
| KR20180051171A | 2018-05-16 | |||
| KR20180051175A | 2018-05-16 | |||
| KR20020011563A | 2002-02-09 |
Other References:
See also references of EP 3709408A4
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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