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Patent Searching and Data


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)
Application Number:
PCT/KR2019/004385
Publication Date:
November 07, 2019
Filing Date:
April 11, 2019
Export Citation:
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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:
KR20180033665A2018-04-04
JP2010140841A2010-06-24
KR20160142823A2016-12-13
KR20170050078A2017-05-11
KR20180033677A2018-04-04
JP4432906B22010-03-17
KR20180051171A2018-05-16
KR20180051175A2018-05-16
KR20020011563A2002-02-09
Other References:
See also references of EP 3709408A4
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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