# US 2024/0204243 A1 · Composition, battery, and method for producing composition

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- Number: US 2024/0204243 A1
- Document ID: US20240204243A1
- Status: Published application
- Kind: A1
- Application number: 18/419,631
- Filed: 2024-01-23
- Published: 2024-06-20
- Earliest claimed: 2021-08-06
- Assignees: Panasonic Intellectual Property Management Co., Ltd.
- Applicants: Panasonic Intellectual Property Management Co., Ltd.
- Inventors: MASASHI SAKAIDA
- Web page: https://patentgrep.com/patent/US20240204243A1

## CPC

- H01M 6/18: with solid electrolyte
- H01M 10/0562: Solid materials
- C01G 25/006: {Compounds containing zirconium, with or without oxygen or hydrogen, and containing two or more other elements}
- H01B 1/06: mainly consisting of other non-metallic substances
- H01M 4/62: Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- 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 2004/03: obtained by SEM
- C01P 2004/62: Submicrometer sized, i.e. from 0.1-1 micrometer
- C01P 2006/40: Electric properties
- 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
- 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

According to the present disclosure, a composition comprises a compound and a solvent. The compound comprises Li and at least one selected from the group consisting of Zr, Al, and F. The compound is in a form of particles and has an average particle diameter of less than 0.68 μm. According to the present disclosure, a battery comprises a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer comprises a solid derived from the composition of the present disclosure.

## Claims

### Claim 1

A composition comprising:
a compound comprising Li and at least one selected from the group consisting of Zr, Al, and F; and
a solvent, wherein
the compound is in a form of particles and has an average particle diameter of less than 0.68 μm.

### Claim 2 (depends on 1)

The composition according to claim 1, wherein the composition comprises, as the compound, at least one selected from the group consisting of LiF, Li2ZrF6, and Li3AlF6.

### Claim 3 (depends on 1)

The composition according to claim 1, wherein
the composition comprises Li, Zr, Al, and F, and
the Li, the Zr, the Al, and the F satisfy a molar ratio of Li:Zr:Al:F=[6−(4−x)b]:(1−x)b:xb:6, where 0<x<1 and 0<b≤1.5 are satisfied.

### Claim 4 (depends on 1)

The composition according to claim 1, wherein the solvent comprises a compound having at least one functional group selected from the group consisting of ester groups and hydroxy groups.

### Claim 5 (depends on 1)

The composition according to claim 1, wherein the solvent comprises at least one selected from the group consisting of γ-butyrolactone, propylene carbonate, butyl acetate, ethanol, dimethyl sulfoxide, and tetralin.

### Claim 6 (depends on 1)

The composition according to claim 1, wherein the compound is a source material of a solid electrolyte material.

### Claim 7 (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 a solid derived from the composition according to claim 1.

### Claim 8 (depends on 1)

A method for producing the composition according to claim 1 comprising grinding a raw material composition that comprises the compound.