Claims
- 1. A non-aqueous electrolytic solution comprising a carbonate compound represented by the general formula (II):
- R.sup.3 -O-CO-O-R.sup.4 (II)
- wherein R.sup.3 represents an alkyl group or an alkyl group substituted by one or more halogen atoms, and R.sup.4 represents an alkyl group having .beta.-positioned carbon, and having no hydrogen atom at the .beta.-position thereof or an alkyl group substituted by one or more halogen atoms and having no hydrogen atom at the .beta.-position thereof.
- 2. The non-aqueous electrolytic solution of claim 1 wherein R.sup.3 is an alkyl group or an alkyl group substituted by one or more fluorine atoms and R.sup.4 is an alkyl group having no hydrogen atom at the .beta.-position thereof or a fluorinated alkyl group having no hydrogen atom at the .beta.-position thereof.
- 3. The non-aqueous electrolytic solution of claim 1 wherein R.sup.3 is selected from the group consisting of --CH.sub.3, --CH.sub.2 CH.sub.3 and --CH.sub.2 CF.sub.3, and R.sup.4 is selected from the group consisting of --CH.sub.2 C(CH.sub.3).sub.3, --CH.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.2 H and --CH(CF.sub.3).sub.2.
- 4. The non-aqueous electrolytic solution of claim 1 where R.sup.3 is --CH.sub.3 and R.sup.4 is --CH.sub.2 CR.sub.3, wherein R represents an alkyl group, a halogenated alkyl group or halogen atom.
- 5. The non-aqueous electrolytic solution of claim 1 wherein R.sup.3 is --CH.sub.3 or --CH.sub.2 CF.sub.3 and R.sup.4 is --CH.sub.2 CF.sub.3 or --CH.sub.2 C(CH.sub.3).sub.3.
- 6. The non-aqueous electrolytic solution of claim 1 which comprises. in addition to the carbonate compound of the formula [II], a cyclic carbonate compound.
- 7. The non-aqueous electrolytic solution of claim 6 wherein the mixing volume ratio of the carbonate compound of the formula (II) and the cyclic carbonate compound ranges from 1:9 to 9:1.
- 8. The non-aqueous electrolytic solution of claim 1 wherein electrolyte is selected from the group of lithium compounds consisting of LiPF.sub.6, LiBF.sub.4, LiClO.sub.4, LiAsF.sub.6, LiCF.sub.3 SO.sub.3, LiAlCl.sub.4, LiN(SO.sub.2 CF.sub.3).sub.2, LiC.sub.4 F.sub.9 SO.sub.3 and LiC.sub.8 F.sub.17 SO.sub.3.
- 9. A non-aqueous electrolyte battery comprising the non-aqueous electrolytic solution of claim 5.
- 10. A non-aqueous electrolytic solution comprising a carbonate compound represented by the formula (II):
- R.sup.3 -O-CO-O-R.sup.4 (II)
- wherein R.sup.3 represents an alkyl group having 1 to 5 carbon atoms or an alkyl group having 1 to 5 carbon atoms substituted by one or more halogen atoms, and R.sup.4 represents an alkyl group having 5 to 8 carbon atoms and having no hydrogen atom at the .beta.-position thereof or an alkyl group having 2 to 5 carbon atoms substituted by one or more halogen atoms and having no hydrogen atom at the .beta.-position thereof.
- 11. The non-aqueous electrolytic solution of claim 10 wherein R.sup.3 is an alkyl group having 1 to 5 carbon atoms or an alkyl group having 1 to 5 carbon atoms substituted by one or more fluorine atoms, R.sup.4 is an alkyl group having 5 to 8 carbon atoms and having no hydrogen atom at the .beta.-position thereof or a fluorinated alkyl group having 2 to 5 carbon atoms and having no hydrogen atom at the .beta.-position thereof.
- 12. The non-aqueous electrolytic solution of claim 10 wherein R.sup.3 is a member selected from the group consisting of --CH.sub.3, --CH.sub.2 CH.sub.3 and --CH.sub.2 CF.sub.3, and R.sup.4 is selected from the group consisting of --CH.sub.2 C(CH.sub.3).sub.3, --CH.sub.2 CF.sub.3 --CH.sub.2 CF.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.2 H and --CH.sub.2 (CF.sub.3).sub.2.
- 13. The non-aqueous electrolytic solution of claim 10 wherein R.sup.3 is --CH.sub.3 and R.sup.4 is --CH.sub.2 CR.sub.3, wherein R represents an alkyl group having one to two carbon atoms, a halogenated alkyl group having one carbon atom or fluorine atom.
- 14. The non-aqueous electrolytic solution of claim 10 wherein R.sub.3 is --CH.sub.3 or CH.sub.2 CF.sub.3 and R.sub.4 is --CH.sub.2 CF.sub.3 or --CH.sub.2 C(CH.sub.3).sub.3.
- 15. The non-aqueous electrolytic solution of claim 10 which comprises, in addition to the carbonate compound of the formula (II), a cyclic carbonate compound which is a member selected from the group consisting of ethylene carbonate, propylene carbonate, butylene carbonate and vinylene carbonate, at a ratio of the carbonate to cyclic carbonate of 8:2 to 2:8.
- 16. The non-aqueous electrolytic solution of claim 15 wherein the mixing volume ratio of the carbonate compound of the formula (II) and the cyclic carbonate compound is about 1:1.
- 17. The non-aqueous electrolytic solution of claim 10 wherein electrolyte is selected from the group of lithium compounds consisting of LiPF.sub.6, LiBF.sub.4, LiClO.sub.4, LiAsF.sub.6, LiCF.sub.3 SO.sub.3, LiAlCl.sub.4, LiN(SO.sub.2 CF.sub.3).sub.2, LiC.sub.4 F.sub.9 SO.sub.3 and LiC.sub.8 F.sub.17 SO.sub.3.
- 18. A non-aqueous electrolyte battery comprising the non-aqueous electrolytic solution of claim 12.
- 19. A non-aqueous electrolytic solution comprising an electrolyte and a carbonate compound represented by the formula (II)
- R.sup.3 -O-CO-O-R.sup.4 (II)
- wherein R.sup.3 is a member selected form the group consisting of --CH.sub.3, CH.sub.2 CH.sub.3 and --CH.sub.2 CF.sub.3 and R.sup.4 is a member selected from the group consisting of --CH.sub.2 C(CH.sub.3).sub.3 --CH.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.2 H and --CH(CF.sub.3).sub.2, and
- the electrolyte is a member selected from the group of lithium compounds consisting of LiPF.sub.6, LiPF.sub.4, LiClO.sub.4, LAsF.sub.6, LiCF.sub.3 SO.sub.3, LiAlCl.sub.4, LiN(SO.sub.2 CF.sub.3).sub.2, LiCF.sub.4 F.sub.9 SO.sub.3 AND LiC.sub.8 F.sub.17 SO.sub.3.
- 20. The non-aqueous electrolytic solution of claim 19 which comprises, in addition to the carbonate compound of the formula (II), a cyclic carbonate compound which is a member selected from the group consisting of ethylene carbonate, propylene carbonate and butylene carbonate, at a ratio of carbonate to cyclic carbonate of 8:2 to 2:8.
- 21. The non-aqueous electrolytic solution of claim 19 wherein R.sup.3 is --CH.sub.3 or --CH.sub.2 CF.sub.3 and R.sub.4 is --CH.sub.2 CF.sub.3 or --CH.sub.2 C(CH.sub.3).sub.3.
- 22. The non-aqueous electrolytic solution of claim 20 wherein the mixing volume ratio of the carbonate compound of the formula (II) and the cyclic carbonate compound is about 1:1.
- 23. The non-aqueous electrolytic solution of claim 19 wherein R.sup.3 is --CH.sub.2 CF.sub.3 and R.sub.4 is a member selected from the group consisting of --CH.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CF.sub.2 H, and --CH(CF.sub.3).sub.2.
- 24. A non-aqueous electrolyte battery comprising the non-aqueous electrolytic solution of claim 20.
Priority Claims (2)
Number |
Date |
Country |
Kind |
4-309041 |
Nov 1992 |
JPX |
|
4-309042 |
Nov 1992 |
JPX |
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Parent Case Info
This is a division of application Ser. No. 08/153,429 filed Nov. 16, 1993.
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Entry |
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Divisions (1)
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Number |
Date |
Country |
Parent |
153429 |
Nov 1993 |
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