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Title:
LITHIUM COMPOSITE OXIDE SINGLE CRYSTAL, LITHIUM COMPOSITE OXIDE POLYCRYSTAL, LITHIUM COMPOSITE OXIDE MATERIAL, SOLID ELECTROLYTE MATERIAL, ALL-SOLID-STATE LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCING SOLID ELECTROLYTE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/107687
Kind Code:
A1
Abstract:
This lithium composite oxide single crystal has a chemical composition represented by Li7-3x-w-vGaxLa3Zr2-w-vTawNbvO12 (wherein 0.02 ≤ x < 0.5, 0 ≤ W ≤ 1.0, 0 ≤ V ≤ 1.0 and 0.05 ≤ W + V ≤ 1.0), while belonging to the cubic space group I-43d and having a garnet structure.

Inventors:
KATAOKA KUNIMITSU (JP)
AKIMOTO JUNJI (JP)
Application Number:
PCT/JP2021/041657
Publication Date:
May 27, 2022
Filing Date:
November 12, 2021
Export Citation:
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Assignee:
AIST (JP)
International Classes:
C30B29/22; C01G35/00; C04B35/50; C30B13/16; C30B13/28; H01B1/06; H01B1/08
Domestic Patent References:
WO2016017769A12016-02-04
WO2017033865A12017-03-02
WO2016068040A12016-05-06
WO2017130622A12017-08-03
Foreign References:
JP2021046340A2021-03-25
JP2020516579A2020-06-11
JP2020191100A2020-11-26
JP2011195373A2011-10-06
Other References:
KATAOKA, KUNIMITSU, NAGATA, HIROSHI, AKIMOTO, JUNJI, ISHIDA, YUSO, ARIGA, TOMOKI: "[3G02] Single crystal growth and evaluation of gallium-substituted garnet-type solid electrolyte", 60TH BATTERY SYMPOSIUM IN JAPAN; NOVEMBER 13-15, 2019, 1 January 2019 (2019-01-01), JP, pages 1 - 1, XP009537154
REINHARD WAGNER, GüNTHER J. REDHAMMER, DANIEL RETTENWANDER, ANATOLIY SENYSHYN, WALTER SCHMIDT, MARTIN WILKENING, GEORG AMTHAU: "Crystal Structure of Garnet-Related Li-Ion Conductor Li 7–3 x Ga x La 3 Zr 2 O 12 : Fast Li-Ion Conduction Caused by a Different Cubic Modification?", CHEMISTRY OF MATERIALS, vol. 28, no. 6, 22 March 2016 (2016-03-22), US , pages 1861 - 1871, XP055502570, ISSN: 0897-4756, DOI: 10.1021/acs.chemmater.6b00038
SCIENTIFIC REPORTS, vol. 8, 2018, pages 9965
CHEMELECTROCHEM, vol. 5, 2018, pages 2551
CHEMISTRY MATERIALS, vol. 28, 2016, pages 1861 - 1871
CRYSTALLOGRAPHIC COMMUNICATION, vol. 72, 2016, pages 287 - 289
APPLIED MATERIALS INTERFACES, vol. 12, 2020, pages 25709 - 25717
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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