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Patent Searching and Data


Title:
BINDER FOR LITHIUM-SULFUR BATTERY, POSITIVE ELECTRODE COMPRISING SAME, AND LITHIUM-SULFUR BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/132394
Kind Code:
A1
Abstract:
The present invention relates to a binder for a lithium-sulfur battery, a positive electrode comprising the same, and a lithium-sulfur battery and, more specifically, to a binder for a lithium-sulfur battery, the binder containing polyacrylic acid lithium and polyvinyl alcohol. The binder for a lithium-sulfur battery contains two kinds of particular polymers, and thus improves electrochemical characteristics and stability of the positive electrode, thereby improving capacity and lifespan characteristics of the lithium-sulfur battery.

Inventors:
LEE HYUNSOO (KR)
JUNG JONG MO (KR)
YANG DOO KYUNG (KR)
KIM YU MI (KR)
LEE SEONG HO (KR)
PARK GI SU (KR)
JUNG BYOUNGHYO (KR)
Application Number:
PCT/KR2018/016212
Publication Date:
July 04, 2019
Filing Date:
December 19, 2018
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/62; H01M4/13; H01M4/38; H01M4/58; H01M4/60; H01M10/052
Foreign References:
KR20140127886A2014-11-04
JP2015201270A2015-11-12
KR20150017580A2015-02-17
JP2004119367A2004-04-15
KR20120029899A2012-03-27
JP2015053152A2015-03-19
KR20170180625A2017-12-27
KR20150032670A2015-03-27
KR20160046775A2016-04-29
Other References:
See also references of EP 3664200A4
Attorney, Agent or Firm:
KIM, Sung Ho et al. (KR)
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