Title:
SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/136679
Kind Code:
A1
Abstract:
The present invention relates to a secondary battery, comprising: an electrode assembly; a gel polymer electrolyte; and a battery case that accommodates the electrode assembly and the gel polymer electrolyte, wherein: the electrode assembly includes a plurality of electrodes and a plurality of separators; the plurality of electrodes are stacked in the vertical direction, and the separators are interposed between the stacked electrodes; the separators each include a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate; and the ceramic coating layer includes at least 92% but less than 100% by weight of inorganic particles and more than 0% but not more than 8% by weight of a binder.
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Inventors:
RYU JI HOON (KR)
KIM JE YOUNG (KR)
KIM DONG KYU (KR)
YOON YEO MIN (KR)
CHOI SEONG WON (KR)
SHIN WON KYUNG (KR)
LIM TAE SEOB (KR)
KIM JE YOUNG (KR)
KIM DONG KYU (KR)
YOON YEO MIN (KR)
CHOI SEONG WON (KR)
SHIN WON KYUNG (KR)
LIM TAE SEOB (KR)
Application Number:
PCT/KR2023/000699
Publication Date:
July 20, 2023
Filing Date:
January 13, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/058; H01M10/052; H01M10/0565; H01M10/0567; H01M10/0585; H01M50/449; H01M50/46
Foreign References:
| KR20190118452A | 2019-10-18 | |||
| JP2017050215A | 2017-03-09 | |||
| KR20160079623A | 2016-07-06 | |||
| KR20160040128A | 2016-04-12 | |||
| KR20130111697A | 2013-10-11 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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