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Title:
SOLID-LIQUID HYBRID ELECTROLYTE MEMBRANE, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/118094
Kind Code:
A1
Abstract:
An aspect of the present invention relates to a solid-liquid hybrid electrolyte membrane and a method for manufacturing same, the electrolyte membrane comprising: a plurality of solid polymer particles and a small amount of liquid electrolyte, the solid polymer particles being packed and in contact with each other; and a porous structure having a pore structure between the solid polymer particles, wherein the liquid electrolyte is in pores of the porous structure or surface contact portions of the solid polymer particles, or covers the surfaces of the solid polymer particles. According to an aspect of the present invention, a solid-liquid hybrid electrolyte membrane which can be deformed by external pressure due to lack of use of a solid electrolyte can be provided. Also, a solid-liquid hybrid electrolyte membrane having low resistance due to lack of use of a binder polymer can be provided. Meanwhile, according to an aspect of the present invention, by including a small amount of liquid electrolyte, improved ionic conductivity as compared to conventional solid electrolyte batteries can be ensured.

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Inventors:
LEE JUNG-PIL (KR)
KIM JI-YOUNG (KR)
KANG SUNG-JOONG (KR)
Application Number:
PCT/KR2020/016292
Publication Date:
June 17, 2021
Filing Date:
November 18, 2020
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/056; H01M10/052; H01M10/0565
Domestic Patent References:
WO2018159950A12018-09-07
Foreign References:
JP2011192611A2011-09-29
US6284412B12001-09-04
KR20180099548A2018-09-05
KR20030007632A2003-01-23
KR20190167041A2019-12-13
Other References:
See also references of EP 3958365A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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