US5455127A
Expired / Lapsed
US
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Fire resistant curable solid electrolytes and electrolytic cells produced therefrom
Assignee: Valence Technology Inc
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Filing: 1994-03-31
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Granted: 1995-10-03
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Expires: 2014-03-31
Abstract
Abstract This invention is directed to a solid electrolyte containing a polymeric matrix, a salt, a solvent, a viscosifying agent, and a flame retardant, as well as electrolytic cells prepared from such solid electrolytes.
Inventors
- 👤 Ib I. Olsen
- 👤 Dale R. Shackle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:24
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/052; H01M10/056; H01M10/0564; H01M10/0565; H01M6/00; H01M6/14; H01M6/18; H01M6/181; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
24 words
An electrolyte for an electrolytic cell which comprises: a solid matrix forming monomer; a salt; a solvent; a viscosifying agent; and a flame retardant.
Claim 2
Dependent Claim
24 words
An electrolyte for an electrolytic cell which comprises: a solid matrix forming monomer; a salt; a solvent; a viscosifying agent; and a flame retardant.
Claim 3
Dependent Claim
41 words
The electrolyte of claim 1, wherein the flame retardant is a flame retardant compound of the formula: ##STR2## wherein each of R 1 , R 2 , and R 3 is one of an organic aliphatic compound and an aromatic compound.
Claim 4
Dependent Claim
23 words
The electrolyte of claim 1, wherein the flame retardant compound comprises trimethyl phosphate, triethyl phosphate, triphenyl phosphate, 2-ethylhexyl diphenyl phosphate, or trimethylene phosphate.
Claim 5
Dependent Claim
24 words
The electrolyte of claim 1, having from about 5 to about 25 weight percent salt, based on the total weight of the electrolyte composition.
Claim 6
Dependent Claim
24 words
The electrolyte of claim 1, having from about 30 to about 80 weight percent solvent, based on the total weight of the electrolyte composition.
Claim 7
Dependent Claim
27 words
The electrolyte of claim 1, having from about 5 to about 30 weight percent solid matrix forming monomer, based on the total weight of the electrolyte composition.
Claim 8
Dependent Claim
25 words
The electrolyte of claim 1, having from about 1 to about 15 weight percent viscosifying agent, based on the total weight of the electrolyte composition.
Claim 9
Dependent Claim
25 words
The electrolyte of claim 1, having from about 10 to about 40 weight percent flame retardant, based on the total weight of the electrolyte composition.
Claim 10
Dependent Claim
22 words
A solid, single-phase, solvent-containing electrolyte which comprises: a solid polymeric matrix; a salt; a solvent; a viscosifying agent; and a flame retardant.
Claim 11
Dependent Claim
22 words
A solid, single-phase, solvent-containing electrolyte which comprises: a solid polymeric matrix; a salt; a solvent; a viscosifying agent; and a flame retardant.
Claim 12
Dependent Claim
20 words
The solid electrolyte of claim 9, wherein the electrolyte has a thickness of from about 20 to about 250 microns.
Claim 13
Dependent Claim
33 words
An electrolytic cell which comprises: an anode; a cathode; and interposed therebetween a solid, solvent-containing electrolyte which comprises: a solid polymeric matrix; a salt; a solvent; a viscosifying agent; and a flame retardant.
Claim 14
Dependent Claim
33 words
An electrolytic cell which comprises: an anode; a cathode; and interposed therebetween a solid, solvent-containing electrolyte which comprises: a solid polymeric matrix; a salt; a solvent; a viscosifying agent; and a flame retardant.
Claim 15
Dependent Claim
16 words
The electrolytic cell of claim 11 wherein the anode is an intercalation based anode comprising carbon.
Claim 16
Dependent Claim
30 words
The electrolytic cell of claim 12 wherein the cathode comprises a cathodic material selected from the group consisting of vanadium oxides, lithiated cobalt oxides, lithiated manganese oxides, and mixtures thereof.
Claim 17
Dependent Claim
30 words
The electrolytic cell of claim 11 wherein the cathode comprises a cathodic material selected from the group consisting of vanadium oxides, lithiated cobalt oxides, lithiated manganese oxides, and mixtures thereof.
Claim 18
Dependent Claim
46 words
A process for preparing a solid electrolyte for an electrolytic cell which comprises: (a) providing an electrolyte composition comprising: a solid matrix forming monomer, a salt, a solvent, a viscosifying agent, and a flame retardant; and (b) curing said electrolyte composition to provide a solid electrolyte.
Claim 19
Dependent Claim
46 words
A process for preparing a solid electrolyte for an electrolytic cell which comprises: (a) providing an electrolyte composition comprising: a solid matrix forming monomer, a salt, a solvent, a viscosifying agent, and a flame retardant; and (b) curing said electrolyte composition to provide a solid electrolyte.
Claim 20
Dependent Claim
72 words
A process for preparing a solid electrolyte for an electrolytic cell which comprises: (a) polymerizing a solid matrix forming monomer to form a solid polymeric matrix; (b) dissolving said solid polymeric matrix in a suitable volatile solvent; (c) adding a salt, an electrolyte solvent, a viscosifying agent, and a flame retardant to form an electrolyte composition; and (d) removing said volatile solvent and curing said electrolyte composition to provide a solid electrolyte.
Claim 21
Dependent Claim
72 words
A process for preparing a solid electrolyte for an electrolytic cell which comprises: (a) polymerizing a solid matrix forming monomer to form a solid polymeric matrix; (b) dissolving said solid polymeric matrix in a suitable volatile solvent; (c) adding a salt, an electrolyte solvent, a viscosifying agent, and a flame retardant to form an electrolyte composition; and (d) removing said volatile solvent and curing said electrolyte composition to provide a solid electrolyte.
Claim 22
Dependent Claim
68 words
A process for preparing an electrolytic cell which comprises: (a) providing an anode; (b) providing a cathode; (c) interposing between surfaces of the cathode and the anode an electrolyte composition comprising: a solid matrix forming monomer, a salt, a solvent, a viscosifying agent, and a flame retardant; and (d) curing said electrolyte composition to provide a solid electrolyte bonded to the surfaces of both the anode and cathode.
Claim 23
Dependent Claim
68 words
A process for preparing an electrolytic cell which comprises: (a) providing an anode; (b) providing a cathode; (c) interposing between surfaces of the cathode and the anode an electrolyte composition comprising: a solid matrix forming monomer, a salt, a solvent, a viscosifying agent, and a flame retardant; and (d) curing said electrolyte composition to provide a solid electrolyte bonded to the surfaces of both the anode and cathode.
Claim 24
Dependent Claim
15 words
The process of claim 17 wherein the anode is an intercalation based anode comprising carbon.
Claim 25
Dependent Claim
29 words
The process of claim 18 wherein the cathode comprises a cathodic material selected from the group consisting of vanadium oxides, lithiated cobalt oxides, lithiated manganese oxides, and mixtures thereof.
Claim 26
Dependent Claim
29 words
The process of claim 17 wherein the cathode comprises a cathodic material selected from the group consisting of vanadium oxides, lithiated cobalt oxides, lithiated manganese oxides, and mixtures thereof.
References Cited (Backward Citations)
US5151462A
Cited
US5354631A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1998-10-02 | 1999-04-03 | 1999-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-10-02 | 2003-04-03 | 2003-10-03 | $3760.00 | Window Closed / Lapsed |
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