Electrolyte, battery, battery pack, electronic apparatus, electric vehicle, power storage apparatus, and power system

1. A battery, comprising:

a positive electrode;

a negative electrode; and

an electrolyte,

wherein at least one of the electrolyte and the negative electrode comprises a surface-modified aluminum hydroxide, wherein at least part of a surface of the surface-modified aluminum hydroxide is modified with one or more of a processing agent and a derivative thereof, wherein the processing agent and/or a derivative thereof is bound to the surface of the surface-modified aluminum hydroxide, and wherein the processing agent contains at least one of a silane coupling agent, a titanate-based coupling agent, an aluminate-based coupling agent, and a higher fatty acid processing agent.

2. The battery according to claim 1 , wherein

the positive electrode comprises the surface-modified aluminum hydroxide.

3. The battery according to claim 1 , further comprising a separator, wherein the separator comprises the surface-modified aluminum hydroxide.

4. A battery pack, comprising:

the battery according to claim 1 ;

a control unit that controls the battery; and

an exterior that houses the battery.

5. An electronic apparatus, that receives power supply from the battery according to claim 1 .

6. An electric vehicle, comprising:

the battery according to claim 1 ;

a converting apparatus that receives supply of power from the battery and converts the received power into a driving force for the electric vehicle; and

a control apparatus that performs information processing relating to vehicle control on the basis of information on the battery.

7. A power storage apparatus, comprising:

the battery according to claim 1 , wherein

the power storage apparatus supplies power to an electronic apparatus connected to the battery.

8. The power storage apparatus according to claim 7 , further comprising

a power information control apparatus that transmits/receives a signal to/from another apparatus via a network, wherein

the power storage apparatus controls, on the basis of information received by the power information control apparatus, charge and discharge of the battery.

9. A power system, that receives power supply from the battery according to claim 1 .

10. The power system according to claim 9 , wherein

power is supplied from a power generation apparatus or a power network to the battery.

11. The battery according to claim 1 , wherein the surface-modified aluminum hydroxide is in the form of particles with a D 50 particle diameter of no less than 1 nm and no more than 5 μm.

12. The battery according to claim 1 , wherein the surface-modified aluminum hydroxide has a surface area of no less than 0.5 m 2 /g and no more than 50 m 2 /g.

13. The battery according to claim 1 , wherein the surface-modified aluminum hydroxide is contained in the electrolyte at a weight percentage of the electrolyte of no less than 1 wt % and no more than 20 wt %.

14. The battery according to claim 1 , wherein the processing agent is selected from a group consisting of a vinyl-based silane coupling agent, an epoxy-based silane coupling agent, a styryl-based coupling agent, an iso-cyanate-based coupling agent, a mercapto-based silane coupling agent, an alkoxytitanium, ester, a titanium chelate, a titanium based coupling agent, an aluminate-based coupling agent, a higher fatty acid processing agent, and combinations thereof.

15. The battery according to claim 1 , wherein the surface-modified aluminum hydroxide comprises a coating portion containing one or more of the processing agent and a derivative thereof, the coating portion being formed on at least part of the surface of the surface modified aluminum hydroxide.

16. The battery according to claim 1 , wherein the surface-modified aluminum hydroxide has two endothermic peaks with a maximum endothermic peak temperature of no less than 270° C. and no more than 360° C. according to differential scanning calorimetry.

17. The battery according to claim 1 , wherein the negative electrode comprises a negative electrode active material layer and wherein the surface modified aluminum is contained in the negative electrode active material layer.

18. The battery according to claim 1 , wherein the electrolyte is in the form of an electrolyte layer comprising a matrix polymer compound, a non-aqueous electrolyte solution, and the surface-modified aluminum hydroxide.

19. The battery according to claim 18 , wherein the electrolyte layer is on a main surface of the positive electrode or on a main surface of the negative electrode.