Title:
SULFIDE-TYPE COMPOUND PARTICLES, SOLID ELECTROLYTE, AND LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/050269
Kind Code:
A1
Abstract:
The present invention relates to sulfide-type compound particles which are microparticulated, and each of which contains lithium (Li), phosphorus (P), sulfur (S) and a halogen (Ha) and has an argyrodite-type crystal structure. Provided are sulfide-type compound particles which do not generate a hydrogen sulfide gas upon the contact with water contained in the atmosphere, wherein the D50 value in the volume-based particle size distribution of the particles is 50 μm or less, and the occupancy of sulfur (S) and the halogen (Ha) in S3(4a) site as calculated by a neutron diffraction measurement is 85% or more.
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Inventors:
ITO TAKAHIRO (JP)
TAKAHASHI TSUKASA (JP)
HYAKUTAKE MASARU (JP)
YAGI TERUAKI (JP)
TAKAHASHI TSUKASA (JP)
HYAKUTAKE MASARU (JP)
YAGI TERUAKI (JP)
Application Number:
PCT/JP2019/034612
Publication Date:
March 12, 2020
Filing Date:
September 03, 2019
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO (JP)
International Classes:
H01M10/0562; C01B25/14; H01B1/06; H01B1/10; H01M4/13; H01M4/62; H01M10/052
Domestic Patent References:
| WO2018047566A1 | 2018-03-15 | |||
| WO2018003333A1 | 2018-01-04 |
Foreign References:
| JP2018045997A | 2018-03-22 | |||
| JP2016024874A | 2016-02-08 | |||
| JP2018067552A | 2018-04-26 | |||
| JP2018080095A | 2018-05-24 | |||
| EP3754774A1 | 2020-12-23 | |||
| EP3454405A1 | 2019-03-13 | |||
| JP2017010936A | 2017-01-12 | |||
| JP2015179673A | 2015-10-08 | |||
| JP6683363B2 | 2020-04-22 |
Other References:
KRAFT, MARVIN A. ET AL.: "Influence of Lattice Polarizability on the Ionic Conductivity in the Lithium Superionic Argyrodites Li6PS5X(X=Cl, Br, I", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 139, 28 July 2017 (2017-07-28), pages 10909 - 10918, XP055689687, [retrieved on 20170809]
ITO, TAKAHIRO ET AL.: "3C21: Improvement in characteristics of Argyrodite-type sulfide solid electrolyte for practical application of all-solid-state battery", LECTURE ABSTRACTS OF 58TH BATTERY SYMPOSIUM IN JAPAN; NOVEMBER 14-16, 2017, 13 November 2017 (2017-11-13), pages 207, XP009521160
BERNGES, TIM ET AL.: "Competing Structural Influences in the Li Superionic Conducting Argyrodites Li6PS5-xSexBr (0?x?1) upon Se Substitution", INORGANIC CHEMISTRY, vol. 57, 22 October 2018 (2018-10-22), pages 13920 - 13928, XP055689689, [retrieved on 20181105]
MARVIN A. KRAFT, SEAN P. CULVER, MARIO CALDERON, FELIX BÖCHER, THORBEN KRAUSKOPF, ANATOLIY SENYSHYN, CHRISTIAN DIETRICH, ALEXANDRA: "Influence of Lattice Polarizability on the Ionic Conductivity in the Lithium Superionic Argyrodites Li 6 PS 5 X (X = Cl, Br, I)", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMERICAN CHEMICAL SOCIETY, US, vol. 139, no. 31, 9 August 2017 (2017-08-09), US, pages 10909 - 10918, XP055689687, ISSN: 0002-7863, DOI: 10.1021/jacs.7b06327
See also references of EP 3754774A4
ITO, TAKAHIRO ET AL.: "3C21: Improvement in characteristics of Argyrodite-type sulfide solid electrolyte for practical application of all-solid-state battery", LECTURE ABSTRACTS OF 58TH BATTERY SYMPOSIUM IN JAPAN; NOVEMBER 14-16, 2017, 13 November 2017 (2017-11-13), pages 207, XP009521160
BERNGES, TIM ET AL.: "Competing Structural Influences in the Li Superionic Conducting Argyrodites Li6PS5-xSexBr (0?x?1) upon Se Substitution", INORGANIC CHEMISTRY, vol. 57, 22 October 2018 (2018-10-22), pages 13920 - 13928, XP055689689, [retrieved on 20181105]
MARVIN A. KRAFT, SEAN P. CULVER, MARIO CALDERON, FELIX BÖCHER, THORBEN KRAUSKOPF, ANATOLIY SENYSHYN, CHRISTIAN DIETRICH, ALEXANDRA: "Influence of Lattice Polarizability on the Ionic Conductivity in the Lithium Superionic Argyrodites Li 6 PS 5 X (X = Cl, Br, I)", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMERICAN CHEMICAL SOCIETY, US, vol. 139, no. 31, 9 August 2017 (2017-08-09), US, pages 10909 - 10918, XP055689687, ISSN: 0002-7863, DOI: 10.1021/jacs.7b06327
See also references of EP 3754774A4
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
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