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US4851307A Expired / Lapsed US ⏱️ 0.0 years remaining

Ionically conductive material

Assignee: Hydro-Québec
•
Filing: 1987-10-30
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Granted: 1989-07-25
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Expires: 2007-10-30
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Abstract

Abstract An ionically conductive material useful in electrochemical generators is disclosed. This ionically material comprises a salt in solution in a solvent. The solvent comprises a sulfonated derivative of Formula (I): R.sub.1 R.sub.2 N--SO.sub.2 NR.sub.3 R.sub.4 wherein R 1 , R 2 , R 3 and R 4 are each independently a C 1-10 alkyl group or a C 1-10 oxaalkyl group.

Inventors

  • 👤 Michel Armand
  • 👤 Michel Gauthier
  • 👤 Daniel Muller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 13:46
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122; H01M; H01M6/00; H01M6/14; H01M6/16; H01M6/162; H01M6/164; H01M6/18; H01M6/181; H01M6/166; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 59 words
An ionically conductive material comprising a salt in solution in a solvent, wherein said solvent comprises (1) a sulfonated derivative of formula (I): R.sub.1 R.sub.2 N--SO.sub.2 --NR.sub.3 R.sub.4 wherein R 1 , R 2 , R 3 and R 4 are each independently a C 1-10 alkyl group or a C 1-10 oxaalkyl group, and (2) a macromolecular material.
Claim 2
Dependent Claim 59 words
An ionically conductive material comprising a salt in solution in a solvent, wherein said solvent comprises (1) a sulfonated derivative of formula (I): R.sub.1 R.sub.2 N--SO.sub.2 --NR.sub.3 R.sub.4 wherein R 1 , R 2 , R 3 and R 4 are each independently a C 1-10 alkyl group or a C 1-10 oxaalkyl group, and (2) a macromolecular material.
Claim 3
Dependent Claim 16 words
The material of claim 1, wherein R 1 and R 2 are each a methyl group.
Claim 4
Dependent Claim 16 words
The material of claim 2, wherein R 3 and R 4 are each an ethyl group.
Claim 5
Dependent Claim 22 words
The material of claim 1, wherein R 1 , R 2 , R 3 and R 4 are each an ethyl group.
Claim 6
Dependent Claim 12 words
The material of claim 1, wherein said salt is a metallic salt.
Claim 7
Dependent Claim 16 words
The material of claim 5, wherein said metallic salt is the salt of a strong acid.
Claim 8
Dependent Claim 32 words
The material of claim 1, wherein said macromolecular material is a homopolymer or a copolymer derived from monomeric units containing at least one oxygen atom or one nitrogen atom per monomer unit.
Claim 9
Dependent Claim 31 words
The material of claim 7, wherein said monomeric units contain at least one oxygen atom or at least one nitrogen atom for each four carbon atoms contained in said monomeric unit.
Claim 10
Dependent Claim 10 words
The material of claim 7, wherein said material is solid.
Claim 11
Dependent Claim 17 words
The material of claim 9, wherein said material is amorphous at temperatures of at least 10° C.
Claim 12
Dependent Claim 128 words
The material of claim 1, wherein said salt is a metallic salt which is one member selected from the group consisting of sulfonated derivatives represented by the formula M[RF--SO 2 --A--SO 2 --R'F], ##STR10## wherein M is a metal selected from the group consisting of alkali metals, alkaline-earth metals, transition metals and rare earth metals, QF is a C 2-6 divalent radical or a perfluorinated C 2-6 divalent radical, RF and R'F can be different or identical and each represents a radical selected from the group consisting of C 1-12 alkyl groups, C 6-12 aryl groups, perhalogenated C 1-12 alkyl groups, and perhalogenated C 6-12 aryl groups, and A represents a nitrogen atom or a group CR in which R is hydrogen or a C 1-20 alkyl group.
Claim 13
Dependent Claim 25 words
The material of claim 11, wherein RF and R'F are each independently a perflurointed C 1-12 alkyl group or a perfluorinated C 6-12 aryl group.
Claim 14
Dependent Claim 19 words
The material of claim 1, wherein said salt is LiClO 4 or (CF 3 SO 2 ) 2 NLi.
Claim 15
Dependent Claim 67 words
In an electrochemical generator, the improvement comprising using an ionically conductive material comprising a salt in solution in a solvent, wherein said solvent comprises (1) a sulfonated derivative of Formula (I): R.sub.1 R.sub.2 N--SO.sub.2 --NR.sub.3 R.sub.4 wherein R 1 , R 2 , R 3 and R 4 are each independently a C 1-10 alkyl group or a C 1-10 oxaalkyl group, and (2) a macromolecular material.
Claim 16
Dependent Claim 67 words
In an electrochemical generator, the improvement comprising using an ionically conductive material comprising a salt in solution in a solvent, wherein said solvent comprises (1) a sulfonated derivative of Formula (I): R.sub.1 R.sub.2 N--SO.sub.2 --NR.sub.3 R.sub.4 wherein R 1 , R 2 , R 3 and R 4 are each independently a C 1-10 alkyl group or a C 1-10 oxaalkyl group, and (2) a macromolecular material.
Claim 17
Dependent Claim 17 words
The electrochemical generator of claim 14, wherein R 1 and R 2 are each a methyl group.
Claim 18
Dependent Claim 17 words
The electrochemical generator of claim 15, wherein R 3 and R 4 are each an ethyl group.
Claim 19
Dependent Claim 23 words
The electrochemical generator of claim 14, wherein R 1 , R 2 , R 3 and R 4 are each an ethyl group.
Claim 20
Dependent Claim 13 words
The electrochemical generator of claim 14, wherein said salt is a metallic salt.
Claim 21
Dependent Claim 34 words
The electrochemical generator of claim 14, wherein said macromolecular material is either a homopolymer or a copolymer derived from monomeric units containing at least one oxygen atom or one nitrogen atom per monomer unit.
Claim 22
Dependent Claim 29 words
The electrochemical generator of claim 19, wherein said monomeric unit contains at least one oxygen atom or one nitrogen atom for each four carbon atoms in said monomeric unit.
Claim 23
Dependent Claim 125 words
The electrochemical generator of claim 14, wherein said salt is a metallic salt selected from the group consisting of the sulfonated derivatives of the formula M[RF--SO 2 --A--SO 2 --R'F], ##STR11## wherein M is a metal selected from the group consisting of alkali metals, alkaline-earth metals, transition metals and rare earth metals, QF is a C 2-6 divalent radical or a perfluorinated C 2-6 divalent radical, RF and R'F can be different or identical and each represents a radical selected from the group consisting of C 1-12 alkyl groups, C 6-12 aryl groups, perhalogenated C 1-12 alkyl groups, and perhalogenated C 6-12 aryl groups, and A represents a nitrogen atom or a group CR in which R is H or a C 1-20 alkyl radical.
Claim 24
Dependent Claim 27 words
The electrochemical generator of claim 21, wherein said RF and R'F are each independently a perfluorinated C 1-12 alkyl group or a perfluorinated C 6-12 aryl group.
Claim 25
Dependent Claim 20 words
The electrochemical generator of claim 14, wherein said salt is LiClO 4 or (CF 3 SO 2 ) 2 NLi.

References Cited (Backward Citations)

US4216276A Cited
US4303748A Cited
US4505997A Cited
US4542081A Cited
US4556616A Cited
US4618548A Cited
US4668596A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-07-24 1993-01-23 1993-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-07-24 1997-01-23 1997-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-07-24 2001-01-23 2001-07-25 $7700.00 Window Closed / Lapsed

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