Battery, battery pack, electronic device, electric vehicle, electricity storage device and electric power system

1. A battery, comprising:

a positive electrode;

a negative electrode;

a first electrolyte layer positioned adjacent to the positive electrode;

a second electrolyte layer positioned adjacent to the negative electrode; and

a separator positioned between the first electrolyte layer and the second electrolyte layer,

wherein one or both of the first and the second electrolyte layers comprises a negative electrode active material, and

wherein the positive electrode and the negative electrode are laminated through the separator.

2. The battery according to claim 1 ,

wherein one or both of the first and the second electrolyte layers contains an electrolytic solution and a polymer compound, and

the electrolytic solution is retained by the polymer compound.

3. The battery according to claim 2 ,

wherein the polymer compound is a polymer compound containing fluorine.

4. The battery according to claim 1 ,

wherein the negative electrode active material contained in one or both of the first and second the electrolyte layers and a negative electrode active material contained in the negative electrode have different compositions.

5. The battery according to claim 1 ,

wherein one or both of the first and the second electrolyte layers further comprises at least one type of an insulating material and a conductive assistant.

6. The battery according to claim 1 ,

wherein the negative electrode active material contains at least one type of a carbon material, a metal, a semimetal, a metal oxide, a semimetal oxide, and a polymer compound.

7. The battery according to claim 1 ,

wherein the negative electrode active material contains at least one type of a carbon material, silicon (Si), tin (Sn), and lithium titanate.

8. The battery according to claim 1 ,

wherein the negative electrode active material contains a carbon material, and

the carbon material is graphite having a specific surface area of greater than or equal to 0.1 m 2 /g and less than or equal to 50 m 2 /g.

9. The battery according to claim 1 ,

wherein the first electrolyte layer is disposed between the positive electrode and the separator.

10. The battery according to claim 1 ,

wherein the first electrolyte layer or the second electrolyte layer contains the negative electrode active material.

11. The battery according to claim 1 ,

wherein

both of the first electrolyte layer and the second electrolyte layer contain the negative electrode active material, and

the negative electrode active material contains a metal oxide.

12. The battery according to claim 11 , wherein the metal oxide is lithium titanate.

13. The battery according to claim 1 , wherein the second electrolyte layer is disposed between the negative electrode and the separator.

14. The battery according to claim 1 , wherein the second electrolyte layer is formed on the separator or on the negative electrode.

15. The battery according to claim 1 ,

wherein the negative electrode active material is dispersed in one or more of the first and the second electrolyte layers.

16. The battery according to claim 1 ,

wherein an open circuit voltage per a pair of the positive electrode and the negative electrode in a fully charged state is greater than or equal to 4.35 V.

17. A battery pack, comprising:

the battery according to claim 1 ; and

a control unit controlling the battery.

18. An electronic device, comprising:

the battery according to claim 1 ,

wherein the electronic device receives power from the battery.

19. An electric vehicle, comprising:

the battery according to claim 1 ;

a conversion device converting power received from the battery into a driving force of the vehicle; and

a control device performing information processing relevant to vehicle control on the basis of information relevant to the battery.

20. An electric storage device, comprising:

the battery according to claim 1 ,

wherein power is supplied to an electronic device connected to the battery.

21. A power system, comprising:

the battery according to claim 1 ,

wherein the power system receives power from the battery.