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US4465746A
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Vitreous solid lithium cation conductive electrolyte
Assignee: Edgewell Personal Care Brands LLC
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Filing: 1983-06-29
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Granted: 1984-08-14
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Expires: 2003-06-29
Abstract
Abstract A solid state electrolyte for solid state cell systems comprising a vitreous lithium cation conductor of the composition SiS2, xLi2S, yLiI where x is from 0.8 to 1.5, where y is from 0 to about 2 and wherein said composition has a conductivity of at least 0.75x10-4 ohm-1 cm-1 at 25 DEG C.
Inventors
- 👤 James R. Akridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:54
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/18; C03C3/00; C03C3/32; C03C3/321; C03C3/323; H; H01; H01M; H01M6/00; H01M6/14; H01M6/18
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
50 words
A solid electrolyte comprising a vitreous lithium cation conductor of the composition: SiS.sub.2, xLi.sub.2 S, yLiI where x is from 0.8 to 1.5, y is from 0 up to about 2 and wherein said composition has a conductivity of at least 0.75×10 -4 ohm -1 cm -1 at 25° C.
Claim 2
Dependent Claim
50 words
A solid electrolyte comprising a vitreous lithium cation conductor of the composition: SiS.sub.2, xLi.sub.2 S, yLiI where x is from 0.8 to 1.5, y is from 0 up to about 2 and wherein said composition has a conductivity of at least 0.75×10 -4 ohm -1 cm -1 at 25° C.
Claim 3
Dependent Claim
24 words
The solid electrolyte of claim 1 wherein x is between about 1 and about 1.2 and y is between about 0.75 and about 1.2.
Claim 4
Dependent Claim
18 words
The solid electrolyte of claim 1 wherein the vitreous lithium cation conductor is Li 2 SiS 3 .
Claim 5
Dependent Claim
33 words
The solid electrolyte of claim 1 wherein the vitreous lithium cation conductor is LiI.Li 2 SiS 3 and has a conductivity of at least 10 -4 ohm -1 cm -1 at 25°0 C.
Claim 6
Dependent Claim
34 words
The solid electrolyte of claim 1 wherein the vitreous lithium cation conductor is 1.2LiI.Li 2 SiS 3 and has a conductivity of at least 10 -4 ohm -1 cm 31 1 at 25° C.
Claim 7
Dependent Claim
57 words
A solid state cell comprising an anode, a cathode and a vitreous lithium cation electrolyte of the composition: SiS.sub.2, xLi.sub.2 S, yLiI where x is from 0.8 to 1.5, y is from 0 up to about 2 and wherein said solid electrolyte has a conductivity of at least 0.75×10 -4 ohm -1 cm -1 at 25° C.
Claim 8
Dependent Claim
57 words
A solid state cell comprising an anode, a cathode and a vitreous lithium cation electrolyte of the composition: SiS.sub.2, xLi.sub.2 S, yLiI where x is from 0.8 to 1.5, y is from 0 up to about 2 and wherein said solid electrolyte has a conductivity of at least 0.75×10 -4 ohm -1 cm -1 at 25° C.
Claim 9
Dependent Claim
25 words
the solid state cell of claim 6 wherein x is between about 1 and about 1.2 and y is between about 0.75 and about 1.2.
Claim 10
Dependent Claim
16 words
The solid state cell of claim 6 wherein the electrolyte is Li 2 SiS 3 .
Claim 11
Dependent Claim
31 words
The solid state cell of claim 6 wherein the electrolyte is LiI.Li 2 SiS 3 and has a conductivity of at least 10 -4 ohm -1 cm -1 at 25° C.
Claim 12
Dependent Claim
34 words
The solid electrolyte of claim 6 wherein the vitreous lithium cation conductor is 1.2 LiI.Li 2 SiS 3 and has a conductivity of at least 10 -4 ohm -1 cm -1 at 25° C.
Claim 13
Dependent Claim
23 words
The solid state cell of claim 6 wherein the anode is selected from the group consisting of lithium, sodium, potassium, rubidium, and silver.
Claim 14
Dependent Claim
40 words
The solid state cell of claim 6 wherein the cathode is selected from the group consisting of TiS 2 , PVP+I 2 +TiS 2 , FeS 2 , PVP+I 2 , Sb 2 S 3 , and MnO 2 .
Claim 15
Dependent Claim
19 words
The solid state cell of claim 6 wherein the anode is lithium, and the cathode is TiS 2 .
Claim 16
Dependent Claim
21 words
The solid state cell of claim 6 wherein the anode is lithium and the cathode is Sb 2 S 3 .
Claim 17
Dependent Claim
21 words
The solid state cell of claim 6 wherein the anode is lithium and the cathode is PVP+I 2 +TiS 2 .
Claim 18
Dependent Claim
19 words
The solid state cell of claim 6 wherein the anode is lithium and the cathode is FeS 2 .
Claim 19
Dependent Claim
19 words
The solid state cell of claim 6 wherein the anode is lithium and the cathode is PVP+I 2 .
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-08-14 | 1988-02-13 | 1988-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-14 | 1992-02-13 | 1992-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-14 | 1996-02-13 | 1996-08-14 | $7700.00 | Window Closed / Lapsed |