Electrolyte for secondary battery, secondary battery, battery pack, electric vehicle, electric power storage system, electric tool and electronic device
A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution containing a sulfonamide compound.
1. A secondary battery comprising:
a positive electrode;
a negative electrode; and
an electrolytic solution containing a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other; X represents any of an ether bond (—O—), a thio bond (—S—), and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.
2. The secondary battery according to claim 1 , wherein
the divalent hydrocarbon group is any of an alkylene group, an alkenylene group, an alkynylene group, a cycloalkylene group, an arylene group, and a divalent group in which two or more kinds among these groups are bonded to each other,
the divalent halogenated hydrocarbon group is a group in which at least one hydrogen group in the divalent hydrocarbon group is substituted with a halogen group,
the monovalent hydrocarbon group is any of an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aryl group, and a monovalent group in which two or more among these groups are bonded to each other,
the monovalent nitrogen-containing hydrocarbon group is any of a monovalent group in which the one monovalent hydrocarbon group and one or two or more monovalent nitrogen-containing groups are bonded to each other, a monovalent group in which one or two or more of the monovalent hydrocarbon groups and one or two or more of the amine bonds are bonded to each other, and a monovalent group in which two or more kinds among these groups are bonded to each other,
the monovalent oxygen-containing hydrocarbon group is any of a monovalent group in which the one monovalent hydrocarbon group and one or two or more monovalent oxygen-containing groups are bonded to each other, a monovalent group in which one or two or more of the monovalent hydrocarbon groups and one or two or more of the ether bonds are bonded to each other, and a monovalent group in which two or more kinds among these groups are bonded to each other,
the monovalent sulfur-containing hydrocarbon group is any of a monovalent group in which the one monovalent hydrocarbon group and one or two or more monovalent sulfur-containing groups are bonded to each other, a monovalent group in which one or two or more of the monovalent hydrocarbon groups and one or two or more of the thio bonds are bonded to each other, and a monovalent group in which two or more kinds among these groups are bonded to each other, and
the monovalent halogenated hydrocarbon group is a group in which at least one hydrogen group in the monovalent hydrocarbon group is substituted with a halogen group, and the halogen group includes at least one kind among a fluorine group (—F), a chlorine group (—Cl), a bromine group (—Br), and an iodine group (—I).
3. The secondary battery according to claim 2 , wherein
the monovalent nitrogen-containing group includes a cyano group (—CN), a nitro group (—NO 2 ), an amino group (—NH 2 ), an isocyanate group (—NCO), and an amide group (—CONH 2 —),
the monovalent oxygen-containing group includes a hydroxyl group (—OH), an aldehyde group (—CHO), and a carboxyl group (—COOH), and
the monovalent sulfur-containing group includes a sulfonic acid group (—SO 3 H) and a sulfonyl type group (—SO 2 R: R represents a monovalent hydrocarbon group).
4. The secondary battery according to claim 1 , wherein
the divalent hydrocarbon group has 18 or less carbon atoms, and
the monovalent hydrocarbon group has 18 or less carbon atoms.
5. The secondary battery according to claim 1 , wherein a content of the sulfonamide compound in the electrolytic solution is 0.001% by weight or more and 10% by weight or less.
6. The secondary battery according to claim 1 , wherein the electrolytic solution further contains an N-substituted sulfonamide compound represented by Formula (2) below:
R4 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R5 represents any of a hydrogen group, a monovalent hydrocarbon group, and a monovalent halogenated hydrocarbon group; Y represents any of an ether bond, a thio bond, and an amine bond (—NR6-), where R6 represents either of a hydrogen group or a monovalent hydrocarbon group; and m represents either 0 or 1.
7. The secondary battery according to claim 1 , wherein the electrolytic solution further contains at least one kind among unsaturated cyclic carbonate esters represented by respective Formulas (3), (4), and (5) below:
R11 and R12 each represent either a hydrogen group or an alkyl group; R13 to R16 each represent any of a hydrogen group, an alkyl group, a vinyl group, and an allyl group, and at least one of R13 to R16 represents either a vinyl group or an allyl group; and R17 represents a group represented by =CR171R172, where R171 and R172 each represents either a hydrogen group or an alkyl group.
8. The secondary battery according to claim 1 , wherein the electrolytic solution further contains at least one among halogenated carbonate esters represented by respective Formulas (6) and (7) below:
R18 to R21 each represent any of a hydrogen group, a halogen group, an alkyl group, and a halogenated alkyl group, and at least one of R18 to R21 represents either a halogen group or a halogenated alkyl group; and R22 to R27 each represent any of a hydrogen group, a halogen group, an alkyl group, and a halogenated alkyl group, and at least one of R22 to R27 represents either a halogen group or a halogenated alkyl group.
9. The secondary battery according to claim 1 , wherein the electrolytic solution further contains a dinitrile compound represented by Formula (8) below:
NC-R28-CN (8)
R28 represents either an alkylene group or an arylene group.
10. The secondary battery according to claim 1 , wherein
the electrolytic solution further contains an electrolyte salt, and
the electrolyte salt contains at least one kind among lithium tetrafluoroborate (LiBF 4 ), lithium difluorophosphate (LiPF 2 O 2 ), and lithium fluorophosphate (Li 2 PFO 3 ).
11. The secondary battery according to claim 1 , which is a lithium ion secondary battery.
12. An electrolytic solution for secondary battery comprising:
a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a hydrogen group, a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other, X represents any of an ether bond, a thio bond, and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.
13. A battery pack comprising:
a secondary battery;
a controller that controls operation of the secondary battery; and
a switch unit that switches the operation of the secondary battery in accordance with instruction from the controller, wherein
the secondary battery includes:
a positive electrode;
a negative electrode; and
an electrolytic solution containing a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other, X represents any of an ether bond, a thio bond, and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.
14. An electrically driven vehicle comprising:
a secondary battery;
a converter that converts electric power supplied from the secondary battery into driving force;
a driving unit to be driven in accordance with the driving force; and
a controller that controls operation of the secondary battery, wherein
the secondary battery includes:
a positive electrode;
a negative electrode; and
an electrolytic solution containing a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other, X represents any of an ether bond, a thio bond, and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.
15. An electric power storage system comprising:
a secondary battery;
one or two or more electrical machinery and apparatuses to which electric power is supplied from the secondary battery; and
a controller that controls electric power supply from the secondary battery to the electrical machinery and apparatuses, wherein
the secondary battery includes:
a positive electrode;
a negative electrode; and
an electrolytic solution containing a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other, X represents any of an ether bond, a thio bond, and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.
16. An electric tool comprising:
a secondary battery; and
a moving unit to which electric power is supplied from the secondary battery, wherein
the secondary battery includes:
a positive electrode;
a negative electrode; and
an electrolytic solution containing a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other, X represents any of an ether bond, a thio bond, and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.
17. An electronic device comprising:
a secondary battery as an electric power supply source, wherein
the secondary battery includes:
a positive electrode;
a negative electrode; and
an electrolytic solution containing a sulfonamide compound represented by Formula (1) below:
R1 represents either a divalent hydrocarbon group or a divalent halogenated hydrocarbon group; R2 represents any of a monovalent hydrocarbon group, a monovalent nitrogen-containing hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, a monovalent sulfur-containing hydrocarbon group, a monovalent halogenated hydrocarbon group, and a monovalent group in which two or more kinds among these groups are bonded to each other, X represents any of an ether bond, a thio bond, and an amine bond (—NR3-), where R3 represents either of a hydrogen group or a monovalent hydrocarbon group; and n represents either 0 or 1.