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)
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:
Assignee:
LG ENERGY SOLUTION LTD (KR)
UNIV KOREA RES & BUS FOUND (KR)
UNIV KOREA RES & BUS FOUND (KR)
International Classes:
H01M10/0565; C08G83/00; C08J5/20; C08L5/16; H01M10/052
Foreign References:
JP2019094452A | 2019-06-20 | |||
KR20210016331A | 2021-02-15 |
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
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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