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Title:
COMPOSITION FOR PREPARING SOLID ELECTROLYTE, SOLID ELECTROLYTE USING SAME, AND SECONDARY LITHIUM BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/169186
Kind Code:
A1
Abstract:
The present invention relates to: a composition, comprising a polyrotaxane compound, a crosslinking agent, a lithium salt, and an organic solvent, for preparing a solid electrolyte, wherein the crosslinking agent includes the compound represented by chemical formula 1 and the compound represented by chemical formula 2; a method for preparing a solid electrolyte for a secondary lithium battery, the method comprising a step of thermosetting the composition; a solid electrolyte, comprising a thermoset thereof, for a secondary lithium battery; and a secondary lithium battery comprising the solid electrolyte.

Inventors:
KANG SUNG JOONG (KR)
HAH HOE JIN (KR)
SEO JI HUN (KR)
KIM DONG WAN (KR)
SEO JI AE (KR)
LEE GWANG HEE (KR)
Application Number:
PCT/KR2022/001399
Publication Date:
August 11, 2022
Filing Date:
January 26, 2022
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
UNIV KOREA RES & BUS FOUND (KR)
International Classes:
H01M10/0565; C08G83/00; C08J5/20; C08L5/16; H01M10/052
Foreign References:
JP2019094452A2019-06-20
KR20210016331A2021-02-15
Other References:
YING-CHENG LIN, KOHZO ITO, HIDEAKI YOKOYAMA: "Solid polymer electrolyte based on crosslinked polyrotaxane", POLYMER, ELSEVIER, AMSTERDAM, NL, vol. 136, 27 December 2017 (2017-12-27), AMSTERDAM, NL, pages 121 - 127, XP055529992, ISSN: 0032-3861, DOI: 10.1016/j.polymer.2017.12.046
KOYAMA YASUHITO: "Synthesis of topologically crosslinked polymers with rotaxane-crosslinking points", POLYMER JOURNAL, NATURE PUBLISHING GROUP UK, LONDON, vol. 46, no. 6, 1 June 2014 (2014-06-01), London , pages 315 - 322, XP055955427, ISSN: 0032-3896, DOI: 10.1038/pj.2014.9
KOHSAKA YASUHIRO, KAZUKO NAKAZONO, YASUHITO KOYAMA, SHIGEO ASAI, AND TOSHIKAZU TAKATA: "Size-complementary rotaxane cross-linking for the stabilization and degradation of a supramolecular network", ANGEWANDTE CHEMIE, INTERNATIONAL EDITION, vol. 50, no. 21, 27 April 2011 (2011-04-27), pages 4872 - 4875, XP055955428, DOI: 10.1002/anie.201008020
SAWADA JUN, DAISUKE AOKI, HIDEYUKI OTSUKA, TOSHIKAZU TAKATA: "A guiding principle for strengthening crosslinked polymers: synthesis and application of mobility controlling rotaxane crosslinkers", ANGEWANDTE CHEMIE, INTERNATIONAL EDITION, vol. 58, no. 9, 2 January 2019 (2019-01-02), pages 2765 - 2768, XP055955430, DOI: 10.1002/anie.201813439
See also references of EP 4160770A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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