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Title:
SULFIDE SOLID ELECTROLYTE MEMBRANE AND SOLID LITHIUM ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/000604
Kind Code:
A1
Abstract:
The present disclosure relates to the field of lithium batteries, and provides a sulfide solid electrolyte membrane and a solid lithium ion battery. The sulfide solid electrolyte membrane comprises a polymer membrane having a three-dimensional framework structure and a sulfide solid electrolyte material forming a continuous phase. The ionic conductivity of the sulfide solid electrolyte membrane is greater than 10 −4S/cm, and the thickness of the sulfide solid electrolyte membrane is less than or equal to 40 μm. The flexible polymer membrane acts as a support frame, and a sulfide forms a continuous phase in the polymer membrane, thereby ensuring the ionic conductivity of the sulfide solid electrolyte membrane and significantly reducing the thickness of the solid electrolyte membrane.

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Inventors:
FENG YUCHUAN (CN)
LIU SIJIE (CN)
HE HONGCAI (CN)
LI ZHENG (CN)
Application Number:
PCT/CN2021/138978
Publication Date:
January 26, 2023
Filing Date:
December 17, 2021
Export Citation:
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Assignee:
QINGTAO KUNSHAN ENERGY DEV CO LTD (CN)
International Classes:
H01M10/056; H01M10/0525; H01M50/446
Foreign References:
CN113451638A2021-09-28
KR20160013631A2016-02-05
CN111466042A2020-07-28
CN110165291A2019-08-23
CN112599774A2021-04-02
CN108963329A2018-12-07
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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