# US 12,180,085 B2 · Method for producing halide

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- Number: US 12,180,085 B2
- Document ID: US12180085B2
- Status: Granted
- Kind: B2
- Application number: 17/933,097
- Filed: 2022-09-17
- Published: 2023-01-19
- Granted: 2024-12-31
- Earliest claimed: 2020-03-31
- Assignees: Panasonic Intellectual Property Management Co., Ltd.
- Applicants: Panasonic Intellectual Property Management Co., Ltd.
- Inventors: Takashi Kubo; Kazufumi Miyatake; Keita Mizuno; Tetsuya Asano; Akihiro Sakai
- Web page: https://patentgrep.com/patent/US12180085B2

## CPC

- C01F 17/36: halogen being the only anion, e.g. NaYF4
- H01B 1/08: oxides
- H01B 1/06: mainly consisting of other non-metallic substances
- H01M 10/054: Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
- H01M 10/0562: Solid materials
- C01P 2002/50: Solid solutions
- C01P 2006/40: Electric properties
- H01M 2300/008: Halides
- Y02E 60/10: Energy storage using batteries
- 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})
- 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})
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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 production method of the present disclosure includes heat-treating a material mixture containing a compound containing Y, a compound containing Sm, NH4α, Liβ, and Caγ2 in an inert gas atmosphere. The compound containing Y is at least one selected from the group consisting of Y2O3 and Yδ3, and the compound containing Sm is at least one selected from the group consisting of Sm2O3 and Smε3. The material mixture contains at least one selected from the group consisting of Y2O3 and Sm2O3, and α, β, γ, δ, and ε are each independently at least one selected from the group consisting of F, Cl, Br, and I.

## Claims

### Claim 1

A method for producing a halide, the method comprising:
heat-treating a material mixture containing a compound containing Y, a compound containing Sm, NH4α, Liβ, and Caγ2 in an inert gas atmosphere,
wherein the compound containing Y is at least one selected from the group consisting of Y2O3 and Yδ3,
wherein the compound containing Sm is at least one selected from the group consisting of Sm2O3 and Smε3,
wherein the material mixture contains at least one selected from the group consisting of Y2O3 and Sm2O3, and
wherein α, β, γ, δ, and ε are each independently at least one selected from the group consisting of F, Cl, Br, and I.

### Claim 2 (depends on 1)

The method for producing according to claim 1, wherein the material mixture contains Y2O3, Sm2O3, NH4α, Liβ, and Caγ2.

### Claim 3 (depends on 1)

The method for producing according to claim 1, wherein, in the heat-treating, the material mixture is heat-treated at higher than or equal to 350° C.

### Claim 4 (depends on 1)

The method for producing according to claim 1, wherein, in the heat-treating, the material mixture is heat-treated at lower than or equal to 650° C.

### Claim 5 (depends on 1)

The method for producing according to claim 1, wherein, in the heat-treating, the material mixture is heat-treated in more than or equal to 1 hour and less than or equal to 72 hours.

### Claim 6 (depends on 1)

The method for producing according to claim 1, wherein the heat-treating includes first heat-treating and second heat-treating performed after the first heat-treating,
wherein, in the first heat-treating, the material mixture is heat-treated at first heat treatment temperature T1,
wherein, in the second heat-treating, the material mixture is heat-treated at second heat treatment temperature T2, and
wherein the second heat treatment temperature T2 is higher than or equal to 350° C. and is higher than the first heat treatment temperature T1.

### Claim 7 (depends on 6)

The method for producing according to claim 6, wherein the first heat treatment temperature T1 is higher than or equal to 160° C. and lower than 350° C.

### Claim 8 (depends on 6)

The method for producing according to claim 6, wherein the second heat treatment temperature T2 is lower than or equal to 650° C.

### Claim 9 (depends on 6)

The method for producing according to claim 6, wherein, in the first heat-treating, the material mixture is heat-treated in more than or equal to 1 hour and less than or equal to 72 hours.

### Claim 10 (depends on 6)

The method for producing according to claim 6, wherein, in the second heat-treating, the material mixture is heat-treated in more than or equal to 1 hour and less than or equal to 72 hours.

### Claim 11 (depends on 6)

The method for producing according to claim 6, wherein a time period for heat-treating the material mixture in the first heat-treating is more than a time period for heat-treating the material mixture in the second heat-treating.

### Claim 12 (depends on 1)

The method for producing according to claim 1, wherein α, β, γ, δ, and ε are each independently at least one selected from the group consisting of Cl and Br.