Electrolyte solution for lithium ion secondary battery, lithium ion secondary battery, fluoroalkane derivative and gelling agent

1. An electrolyte solution for a lithium ion secondary battery, comprising a nonaqueous solvent, a lithium salt and a compound represented by the following general formula (Z):

R—SO 2 —Ar 1 —O—R 1   (Z)

wherein Ar 1 denotes a substituted or nonsubstituted divalent aromatic group having 5 to 30 atoms of the nucleus(es); R 1 denotes a saturated or unsaturated monovalent hydrocarbon group having 1 to 20 carbon atoms; and R denotes a saturated or unsaturated monovalent hydrocarbon group having a perfluoroalkyl group and having 2 to 22 carbon atoms.

2. The electrolyte solution for a lithium ion secondary battery according to claim 1 , wherein the compound is a compound represented by the following general formula (1):

wherein Ar 1 denotes a substituted or nonsubstituted divalent aromatic group having 5 to 30 atoms of the nucleus(es); R 1 denotes a saturated or unsaturated monovalent hydrocarbon group having 1 to 20 carbon atoms; and m denotes a natural number of 2 to 16, and p denotes an integer of 0 to 6.

3. The electrolyte solution for a lithium ion secondary battery according to claim 1 , wherein the Ar 1 is a substituted or nonsubstituted divalent aromatic group having 8 to 20 atoms of the nucleus(es).

4. The electrolyte solution for a lithium ion secondary battery according to claim 1 , wherein the Ar 1 is a group selected from the group consisting of a biphenylene group, a naphthylene group, a terphenylene group and an anthranylene group.

5. The electrolyte solution for a lithium ion secondary battery according to claim 1 , wherein the nonaqueous solvent is a mixed solvent of two or more solvents.

6. The electrolyte solution for a lithium ion secondary battery according to claim 1 , wherein the electrolyte solution is a gelatinized electrolyte solution.

7. A lithium ion secondary battery comprising:

an electrolyte solution for a lithium ion secondary battery according to claim 1 ;

a positive electrode comprising one or more materials selected from the group consisting of materials capable of doping and dedoping lithium ions, as a positive electrode active substance; and

a negative electrode comprising one or more materials selected from the group consisting of materials capable of doping and dedoping lithium ions and metallic lithium, as a negative electrode active substance.

8. The lithium ion secondary battery according to claim 7 , wherein the positive electrode comprises a lithium-containing compound as the positive electrode active substance.

9. The lithium ion secondary battery according to claim 8 , wherein the lithium-containing compound comprises one or more compounds selected from the group consisting of metal oxides containing lithium and metal chalcogenides containing lithium.

10. The lithium ion secondary battery according to claim 7 , wherein the negative electrode comprises one or more materials selected from the group consisting of metallic lithium, carbon materials, and materials containing an element capable of forming an alloy with lithium, as the negative electrode active substance.

11. A fluoroalkane derivative represented by the following general formula (Z):

R—SO 2 —Ar 1 —O—R 1   (Z)

wherein Ar 1 denotes a substituted or nonsubstituted divalent aromatic group having 5 to 30 atoms of the nucleus(es); R 1 denotes a saturated or unsaturated monovalent hydrocarbon group having 1 to 20 carbon atoms; and R denotes a saturated or unsaturated monovalent hydrocarbon group having a perfluoroalkyl group and having 2 to 22 carbon atoms.

12. The fluoroalkane derivative according to claim 11 , being represented by the following general formula (1):

wherein Ar 1 denotes a substituted or nonsubstituted divalent aromatic group having 5 to 30 atoms of the nucleus(es); R 1 denotes a saturated or unsaturated monovalent hydrocarbon group having 1 to 20 carbon atoms; and m denotes a natural number of 2 to 16, and p denotes an integer of 0 to 6.

13. The fluoroalkane derivative according to claim 11 , wherein the Ar 1 is a substituted or nonsubstituted divalent aromatic group having 8 to 20 atoms of the nucleus(es).

14. The fluoroalkane derivative according to claim 11 , wherein the Ar 1 is a condensed ring having one or more aromatic hydrocarbon rings, or a group having a plurality of aromatic rings connected by a single bond(s), one or more of the aromatic rings being an aromatic hydrocarbon ring.

15. The fluoroalkane derivative according to claim 11 , wherein the Ar 1 is a group selected from the group consisting of a biphenylene group, a naphthylene group, a terphenylene group and an anthranylene group.

16. A gelling agent comprising a fluoroalkane derivative according to claim 11 .

17. The gelling agent according to claim 16 , wherein the Ar 1 is a substituted or nonsubstituted divalent aromatic group having 8 to 20 atoms of the nucleus(es).

18. The gelling agent according to claim 16 , wherein the Ar 1 is a group selected from the group consisting of a biphenylene group, a naphthylene group, a terphenylene group and an anthranylene group.

19. A gelatinous composition comprising a gelling agent according to claim 16 , and a nonaqueous solvent.

20. An electrode for an electrochemical device, comprising a gelling agent according to claim 16 .

21. An electrolyte solution for a dye-sensitized solar battery, comprising a gelling agent according to claim 16 .

22. A carbon dioxide-absorbing composition comprising a gelling agent according to claim 16 , and an ionic liquid.