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1. WO2020203224 - SOLID ELECTROLYTE

Publication Number WO/2020/203224
Publication Date 08.10.2020
International Application No. PCT/JP2020/011461
International Filing Date 16.03.2020
IPC
H01M 6/18 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
6Primary cells; Manufacture thereof
14Cells with non-aqueous electrolyte
18with solid electrolyte
H01M 4/13 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
H01M 4/62 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/052 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
H01M 10/0562 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0561the electrolyte being constituted of inorganic materials only
0562Solid materials
H01B 1/06 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
1Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
06mainly consisting of other non-metallic substances
Applicants
  • 三井金属鉱業株式会社 MITSUI MINING & SMELTING CO., LTD. [JP]/[JP]
Inventors
  • 金森 智洋 KANAMORI, Tomohiro
Agents
  • 特許業務法人翔和国際特許事務所 SHOWA INTERNATIONAL PATENT FIRM
Priority Data
2019-06898729.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SOLID ELECTROLYTE
(FR) ÉLECTROLYTE SOLIDE
(JA) 固体電解質
Abstract
(EN)
A sulfide solid electrolyte having ion conductivity. The sulfide solid electrolyte contains an organic solvent. The amount of organic solvent content contained in the sulfide solid electrolyte is no more than 0.95% by mass. Ideally, the amount of organic solvent content contained in the sulfide solid electrolyte is at least 0.01% by mass. Ideally the sulfide solid electrolyte has an argyrodite crystal structure. Also provided are: an electrode mixture including the sulfide solid electrolyte and a positive electrode active substance or a negative electrode active substance; and a solid state battery including the electrode mixture.
(FR)
L'invention concerne un électrolyte solide au sulfure ayant une conductivité ionique. L'électrolyte solide au sulfure contient un solvant organique. La teneur en solvant organique contenue dans l'électrolyte solide au sulfure n'est pas supérieure à 0,95 % en masse. Idéalement, la teneur en solvant organique contenue dans l'électrolyte solide au sulfure est d'au moins 0,01 % en masse. Idéalement, l'électrolyte solide au sulfure a une structure cristalline argyrodite. L'invention concerne également : un mélange d'électrode comprenant l'électrolyte solide au sulfure et une substance active d'électrode positive ou une substance active d'électrode négative ; et une batterie à l'état solide comprenant le mélange d'électrode.
(JA)
イオン伝導性を有する硫化物固体電解質である。硫化物固体電解質は有機溶媒を含有する。硫化物固体電解質に含まれる有機溶媒の量が0.95質量%以下である。硫化物固体電解質に含まれる有機溶媒の量は0.01質量%以上であることが好適である。硫化物固体電解質はアルジロダイト型結晶構造を有することが好適である。前記の硫化物固体電解質と、正極活物質又は負極活物質とを含む電極合剤、該電極合剤を含む固体電池も提供する。
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