Battery, battery pack, electronic device, electric vehicle, electric storage device, and electric power system
A battery is provided. The battery includes an electrode group including a positive electrode and a negative electrode, and an electrolyte including an electrolytic solution. The electrode group includes an insulating layer having an insulating material, and the electrolytic solution includes a nonaqueous solvent containing propylene carbonate in an amount of 5% by mass or more and an additive including one or more predetermined compounds.
1. A battery comprising:
an electrode group including a positive electrode and a negative electrode; and
an electrolyte including an electrolytic solution,
wherein the electrode group includes an insulating layer having an insulating material, and
wherein the electrolytic solution includes a nonaqueous solvent including propylene carbonate in an amount of 5% by mass or more and an additive including one or more compounds represented by a chemical formula (1),
wherein R1 and R2 each independently represent an alkyl group, an alkenyl group or an alkynyl group , where the alkyl group, the alkenyl group, and the alkynyl group each having 1 to 4 carbon atoms, n is an integer of 1 to 3, and M is a metal ion.
2. The battery according to claim 1 , wherein a content of the additive is 0.01% by mass or more and 5% by mass or less.
3. The battery according to claim 1 , wherein the insulating material includes an insulating particle.
4. The battery according to claim 3 , wherein the insulating particle includes an inorganic particle.
5. The battery according to claim 1 , wherein the insulating layer is provided between the positive electrode and the negative electrode.
6. The battery according to claim 1 ,
wherein the electrode group further includes a separator provided between the positive electrode and the negative electrode, and
wherein the insulating layer is provided between the separator and the positive electrode or between the separator and the negative electrode.
7. The battery according to claim 1 , wherein the negative electrode includes a negative electrode active material layer including at least one of a single substance of silicon, an alloy of silicon, and a compound of silicon.
8. The battery according to claim 1 , wherein the electrolytic solution includes at least one selected from the group consisting of a dinitrile compound, a cyclic sulfonic acid ester, a chain sulfonic acid ester, a cyclic ether, lithium tetrafluoroborate, lithium difluorophosphate, lithium difluoro(oxalato)borate, and lithium bis(trifluoromethanesulfonyl)imide.
9. The battery according to claim 1 , wherein the electrolyte further includes a polymer compound configured to hold the electrolytic solution.
10. The battery according to claim 1 , wherein an open circuit voltage in a fully charged state per a pair of the positive electrode and the negative electrode is 4.40 V or more and 6.00 V or less.
11. The battery according to claim 1 , wherein the alkyl group, the alkenyl group, and the alkynyl group each having a substituent.
12. The battery according to claim 1 , wherein the additive further includes one or more compounds represented by a chemical formula (2):
wherein R3, R4 and R5 each independently represent a hydrogen group, an alkyl group, an alkenyl group or an alkynyl group, where the alkyl group, the alkenyl group, and the alkynyl group each having 1 to 4 carbon atoms.
13. A battery comprising:
an electrode group including a positive electrode and a negative electrode; and
an electrolyte including an electrolytic solution, a polymer compound configured to hold the electrolytic solution, and an insulating material,
wherein
the electrolytic solution includes a nonaqueous solvent including propylene carbonate in an amount of 5% by mass or more and an additive including one or more compounds represented by a chemical formula (1),
wherein R1 and R2 each independently represent an alkyl group, an alkenyl group or an alkynyl group , where the alkyl group, the alkenyl group, and the alkynl group each having 1 to 4 carbon atoms, n is an integer of 1 to 3, and M is a metal ion.
14. The battery according to claim 13 , wherein the alkyl group, the alkenyl group, and the alkynyl group each having a substituent.
15. The battery according to claim 13 , wherein the additive further includes one or more compounds represented by a chemical formula (2):
wherein R3, R4 and R5 each independently represent a hydrogen group, an alkyl group, an alkenyl group or an alkynyl group, where the alkyl group, the alkenyl group, and the alkynyl group each having 1 to 4 carbon atoms.
16. A battery pack comprising:
the battery according to claim 1 ; and
a control circuit configured to control the battery.
17. An electronic device configured to receive supply of electric power from the battery according claim 1 .
18. An electric vehicle comprising:
the battery according to claim 1 ;
a converting device configured to receive supply of electric power from the battery and converts the electric power into a driving force of a vehicle; and
a control device configured to perform information processing on vehicle control based on information on the battery.
19. An electric storage device comprising the battery according to claim 1 , wherein the electric storage device is configured to supply electric power to an electronic device connected to the battery.
20. The electric storage device according to claim 19 ,
wherein the electric storage device includes an electric power information control device configured to transmit and receive signals to and from another device via a network, and
wherein charge-discharge control of the battery is performed based on information received by the electric power information control device.
21. An electric power system configured to receive supply of electric power from the battery according to claim 1 .
22. The electric power system according to claim 19 , wherein electric power is supplied to the battery from a power generation device or a power network.