US5162177A
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Ion conductive material composed of a salt in solution in a liquid electrolyte
Assignee: Hydro-Québec
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Filing: 1991-03-20
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Granted: 1992-11-10
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Expires: 2011-03-20
Abstract
Abstract Ionically conductive material consisting essentially of a salt diluted in a liquid aprotic solvent. The salt is represented by one of the following formulas: M [RFSO2NSO2R'F] (I) M [RFSO2NCOR'F] (II) M [RFCONCOR'F] (III) <IMAGE> (IV) where M is an alkaline or alkaline earth metal, a transition metal or a rare earth metal.
Inventors
- 👤 Michel Armand
- 👤 Michel Gauthier
- 👤 Daniel Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:16
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/16; H01M6/162; H01M6/166
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
86 words
In an electrochemical cell containing positive electrode, a negative electrode and a liquid electrolyte, the improvement wherein said liquid electrolyte comprises a polar aprotic solvent and a salt selected from the group consisting of: ##STR4## wherein; M is an alkaline or alkaline earth metal, a transition metal or a rare earth metal, RF and R'F are identical or different and each represents a perhalogen radical having from 1 to 12 carbon atoms, and QF is a perfluorinated bivalent radical having from 2 to 6 carbon atoms.
Claim 2
Dependent Claim
86 words
In an electrochemical cell containing positive electrode, a negative electrode and a liquid electrolyte, the improvement wherein said liquid electrolyte comprises a polar aprotic solvent and a salt selected from the group consisting of: ##STR4## wherein; M is an alkaline or alkaline earth metal, a transition metal or a rare earth metal, RF and R'F are identical or different and each represents a perhalogen radical having from 1 to 12 carbon atoms, and QF is a perfluorinated bivalent radical having from 2 to 6 carbon atoms.
Claim 3
Dependent Claim
12 words
The electrochemical cell of claim 1, wherein the negative electrode comprises lithium.
Claim 4
Dependent Claim
10 words
The electrochemical cell of claim 1, wherein M is lithium.
Claim 5
Dependent Claim
37 words
The electrochemical cell of claim 1, wherein the polar aprotic solvent is selected from at last one solvent from the group consisting of linear ethers, cyclic ethers, esters, carbonates, lactones, nitriles, nitrate derivatives, amides, sulfones, and sulfolanes.
Claim 6
Dependent Claim
49 words
The electrochemical cell of claim 1, wherein the polar aprotic solvent is at least one solvent selected from the group consisting of diethylether, dimethoxyethane, tetrahydrofuran, dioxane, dimethytetrahydrofuran, methyl formate, ethyl formate, propylene carbonate, ethylene carbonate, butyrolactones, acetonitrile, benzonitrile, nitromethane, nitrobenzene, dimethylformamide, diethylformamide, N-methylpyrolidone, dimethylsulfone, tetramethylene sulfone, sulfolane, and thiophene.
Claim 7
Dependent Claim
23 words
The electrochemical cell of claim 1, wherein said salt comprises Li(CF 3 SO 2 ) 2 N dissolved in a polar aprotic solvent.
Claim 8
Dependent Claim
23 words
An electrochemical generator comprising an electrochemical cell according to any one of claim 1 to 6 in which the negative electrode comprises lithium.
Claim 9
Dependent Claim
101 words
Ion conductive material comprising a salt in solution in a liquid consisting essentially of at least one polar aprotic solvent selected from the group consisting of linear ethers, cyclic ethers, esters, carbonates, lactones, nitrate derivatives, amides, sulfones and sulfolanes wherein said salt is represented by one of the following formulas: ##STR5## wherein; M is an alkaline or alkaline earth metal, a transition metal or a rare earth metal, RF and R'F are identical or different and each represent a perhalogen radical having from 1 to 12 carbon atoms, QF is a perfluorinated bivalent radical having from 2 to 6 carbon atoms.
Claim 10
Dependent Claim
101 words
Ion conductive material comprising a salt in solution in a liquid consisting essentially of at least one polar aprotic solvent selected from the group consisting of linear ethers, cyclic ethers, esters, carbonates, lactones, nitrate derivatives, amides, sulfones and sulfolanes wherein said salt is represented by one of the following formulas: ##STR5## wherein; M is an alkaline or alkaline earth metal, a transition metal or a rare earth metal, RF and R'F are identical or different and each represent a perhalogen radical having from 1 to 12 carbon atoms, QF is a perfluorinated bivalent radical having from 2 to 6 carbon atoms.
Claim 11
Dependent Claim
48 words
Ion conductive material according to claim 8, wherein the polar aprotic solvent is at least one solvent selected from the group consisting of diethylether, dimethoxyethane, tetrahydrofuran, dioxane, dimethytetrahydrofuran, methyl formate, ethyl formate, propylene carbonate, ethylene carbonate, butyrolactones, nitromethane, nitrobenzene, dimethylformamide, diethylformamide, N-methylpyrolidone, dimethylsulfone, tetramethylene sulfone, sulfone, and thiophene.
Claim 12
Dependent Claim
11 words
Ion conductive material according to claim 8 where M is lithium.
Claim 13
Dependent Claim
23 words
Ion conductive material according to claim 8 consisting essentially of Li(CF 3 SO 2 ) 2 N dissolved in a polar aprotic solvent.
References Cited (Backward Citations)
US4505997A
Cited
US5021308A
Cited
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