# US 10,312,511 B2 · Active material, nonaqueous electrolyte battery, and battery pack

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- Number: US 10,312,511 B2
- Document ID: US10312511B2
- Status: Granted
- Kind: B2
- Application number: 15/416,506
- Filed: 2017-01-26
- Published: 2017-05-18
- Granted: 2019-06-04
- Earliest claimed: 2014-03-18
- Assignees: Kabushiki Kaisha Toshiba
- Applicants: Kabushiki Kaisha Toshiba
- Inventors: Yasuhiro Harada; Norio Takami; Yorikazu Yoshida; Kazuki Ise; Kazuomi Yoshima
- Web page: https://patentgrep.com/patent/US10312511B2

## CPC

- H01M 4/485: of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence)
- C01G 33/006: {Compounds containing niobium, with or without oxygen or hydrogen, and containing two or more other elements}
- C01G 35/006: {Compounds containing tantalum, with or without oxygen or hydrogen, and containing two or more other elements}
- C01G 39/006: {Compounds containing molybdenum, with or without oxygen or hydrogen, and containing two or more other elements}
- C01G 41/006: {Compounds containing tungsten, with or without oxygen or hydrogen, and containing two or more other elements}
- H01M 4/366: {as layered products}
- H01M 4/587: for inserting or intercalating light metals
- H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)}
- H01M 10/4257: {Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries}
- H01M 50/211: adapted for pouch cells
- H01M 50/569: Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364)
- C01P 2002/77: by unit-cell parameters, atom positions or structure diagrams
- C01P 2006/12: Surface area
- C01P 2006/40: Electric properties
- H01M 4/131: Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
- H01M 4/1391: of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
- H01M 4/625: {Carbon or graphite}
- 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
- H01M 10/486: {for measuring temperature}
- H01M 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames
- H01M 50/271: Lids or covers for the racks or secondary casings
- H01M 50/293: characterised by the material
- H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543)
- H01M 50/298: characterised by the wiring of battery packs
- H01M 50/581: in response to temperature
- H01M 2004/021: {Physical characteristics, e.g. porosity, surface area}
- H01M 2004/027: {Negative electrodes}
- H01M 2200/10: Temperature sensitive devices
- H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane
- H01M 2220/30: Batteries in portable systems, e.g. mobile phone, laptop
- H01M 2300/0017: Non-aqueous electrolytes
- H01M 2300/0022: Room temperature molten salts
- H01M 2300/0068: inorganic
- H01M 2300/0082: Organic polymers
- H01M 2300/0085: Immobilising or gelification of electrolyte
- Y02E 60/10: Energy storage using batteries
- Y02T 10/70: Energy storage systems for electromobility, e.g. 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)
- 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
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

A vehicle containing an nonaqueous electrolyte battery, the nonaqueous electrolyte battery including: a negative electrode containing a negative electrode active material; a positive electrode; and a nonaqueous electrolyte, where the negative electrode active material contains a composite oxide of formula: Lix(Nb1-yTay)2-zTi1+0.5zM0.5zO7, where 0≤x≤5, 0≤y≤1, and 0.4≤z≤1, and M is at least one metal element selected from Mo and W.

## Claims

### Claim 1

A vehicle comprising an nonaqueous electrolyte battery, the nonaqueous electrolyte battery comprising:
a negative electrode comprising a negative electrode active material;
a positive electrode; and
a nonaqueous electrolyte,
wherein the negative electrode active material comprises a composite oxide of formula:
Lix(Nb1-yTay)2-zTi1+0.5zM0.5zO7,
wherein 0≤x≤5, 0≤y≤1, and 0.4≤z≤1, and M is at least one metal element selected from the group consisting of Mo and W.

### Claim 2 (depends on 1)

The vehicle according to claim 1, wherein a specific surface area of the composite oxide is from 0.1 to 100 m2/g.

### Claim 3 (depends on 1)

The vehicle according to claim 1, wherein the negative electrode active material is in a form of particles, a surface of the particles of the negative electrode active material is covered with carbon.

### Claim 4 (depends on 1)

The vehicle according to claim 1, wherein the nonaqueous electrolyte comprising at least one selected from the group consisting of a liquid nonaqueous electrolyte, a gel-like nonaqueous electrolyte, an ordinary temperature molten salt comprising lithium ions, a polymer solid electrolyte and an inorganic solid electrolyte.

### Claim 5 (depends on 1)

The vehicle according to claim 1, wherein the negative electrode active material further comprises at least one selected from the group consisting of a titanium dioxide having an anatase structure, a titanium dioxide having a monoclinic structure, a lithium titanate having a ramsdelite structure, and a lithium titanate having a spinel structure.

### Claim 6 (depends on 1)

The vehicle according to claim 1, wherein x is 0, y is 0 and z is 0.4.

### Claim 7

A vehicle comprising a battery pack, the battery pack comprising at least one nonaqueous electrolyte battery,
wherein the at least one nonaqueous electrolyte battery comprises:
a negative electrode comprising a negative electrode active material;
a positive electrode; and
a nonaqueous electrolyte,
wherein the negative electrode active material comprises a composite oxide of formula:
Lix(Nb1-yTay)2-zTi1+0.5zM0.5zO7,
wherein 0≤x≤5, 0≤y≤1, and 0.4≤z≤1, and M is at least one metal element selected from the group consisting of Mo and W.

### Claim 8 (depends on 7)

The vehicle according to claim 7, wherein the battery pack comprises nonaqueous electrolyte batteries, each of which comprises the negative electrode, the positive electrode and the nonaqueous electrolyte.

### Claim 9 (depends on 8)

The vehicle according to claim 8, wherein the nonaqueous electrolyte batteries are electrically connected to each other in series, in parallel or in a combination thereof.

### Claim 10 (depends on 9)

The vehicle according to claim 9, wherein the nonaqueous electrolyte batteries are electrically connected to each other in series.

### Claim 11 (depends on 9)

The vehicle according to claim 9, wherein the nonaqueous electrolyte batteries are electrically connected to each other in parallel.

### Claim 12 (depends on 9)

The vehicle according to claim 9, wherein the plurality of the nonaqueous electrolyte batteries are electrically connected to each other in a combination of in series and in parallel.

### Claim 13 (depends on 7)

The vehicle according to claim 7, wherein the battery pack further comprises a protective circuit configured to detect a voltage of the nonaqueous electrolyte battery.