# US 12,009,476 B2 · Solid electrolyte material and battery using same

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- Number: US 12,009,476 B2
- Document ID: US12009476B2
- Status: Granted
- Kind: B2
- Application number: 17/471,767
- Filed: 2021-09-10
- Published: 2021-12-30
- Granted: 2024-06-11
- Earliest claimed: 2019-03-26
- Assignees: Panasonic Intellectual Property Management Co., Ltd.
- Applicants: Panasonic Intellectual Property Management Co., Ltd.
- Inventors: Koki Ueno; Akihiro Sakai; Akinobu Miyazaki
- Web page: https://patentgrep.com/patent/US12009476B2

## CPC

- H01M 10/0562: Solid materials
- C01F 7/48: Halides, with or without other cations besides aluminium
- C01F 17/36: halogen being the only anion, e.g. NaYF4
- C01G 9/006: {Compounds containing zinc, with or without oxygen or hydrogen, and containing two or more other elements}
- C01G 15/006: {Compounds containing gallium, indium or thallium, with or without oxygen or hydrogen, and containing two or more other elements}
- C01G 29/006: {Compounds containing bismuth, with or without oxygen or hydrogen, and containing two or more other elements}
- H01B 1/06: mainly consisting of other non-metallic substances
- H01M 4/0407: {by coating on an electrolyte layer}
- H01M 4/131: Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
- H01M 4/525: of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
- H01M 10/052: Li-accumulators
- H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
- C01P 2002/32: spinel-type (AB2O4)
- C01P 2002/72: by d-values or two theta-values, e.g. as X-ray diagram
- C01P 2004/61: Micrometer sized, i.e. from 1-100 micrometer
- C01P 2004/62: Submicrometer sized, i.e. from 0.1-1 micrometer
- H01M 2300/0068: inorganic
- H01M 2300/008: Halides
- Y02E 60/10: Energy storage using batteries
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- C01F: COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts of peroxyacids C01B15/00; sulfides or polysulfides of magnesium, calcium, strontium, or barium C01B17/42; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds other than ammonia or cyanogen containing nitrogen and non-metals and optionally metals C01B21/082; amides or imides of silicon C01B21/087}; metal {imides or} amides C01B21/092, {C01B21/0923}; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanic acid C01C3/14; salts of cyanamide C01C3/16; thiocyanates C01C3/20; {double sulfates of magnesium with sodium or potassium C01D5/12; with other alkali metals C01D15/00, C01D17/00})
- C01G: COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts or peroxyacids C01B15/00; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium, or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds containing nitrogen, other non-metals and metal C01B21/082}; metal amides C01B21/092; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanamide C01C3/16; thiocyanates C01C3/20)
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})
- C01P: INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material of the present disclosure includes Li, M1, M2 and X, and has a spinel structure. M1 is at least one element selected from the group consisting of Mg and Zn. M2 is at least one element selected from the group consisting of Al, Ga, Y, In and Bi. X is at least one element selected from the group consisting of F, Cl, Br and I.

## Claims

### Claim 1

A solid electrolyte material comprising Li, M1, M2 and X, wherein
M1 is at least one element selected from the group consisting of Mg and Zn,
M2 is at least one element selected from the group consisting of Al, Ga, Y, In and Bi,
X is at least one element selected from the group consisting of F, Cl, Br and I, and
the solid electrolyte material has a spinel structure.

### Claim 2 (depends on 1)

The solid electrolyte material according to claim 1, which is represented by the following compositional formula (1):
Li2-aM11-aM2aX4 (1)
wherein 0<a<1.

### Claim 3 (depends on 2)

The solid electrolyte material according to claim 2, wherein 0.1≤a≤0.4.

### Claim 4 (depends on 3)

The solid electrolyte material according to claim 3, wherein 0.2≤a≤0.4.

### Claim 5 (depends on 1)

The solid electrolyte material according to claim 1, wherein X is at least one element selected from the group consisting of Cl, Br and I.

### Claim 6 (depends on 1)

A battery comprising:
a positive electrode,
a negative electrode, and
an electrolyte layer disposed between the positive electrode and the negative electrode, wherein
at least one selected from the group consisting of the positive electrode, the negative electrode and the electrolyte layer comprises the solid electrolyte material described in claim 1.
