WO1997013178B1 - Solid lithium-ion electrolyte - Google Patents
Solid lithium-ion electrolyteInfo
- Publication number
- WO1997013178B1 WO1997013178B1 PCT/US1996/015158 US9615158W WO9713178B1 WO 1997013178 B1 WO1997013178 B1 WO 1997013178B1 US 9615158 W US9615158 W US 9615158W WO 9713178 B1 WO9713178 B1 WO 9713178B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ceo
- sio
- ion
- molar
- cell
- Prior art date
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract 6
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract 6
- 239000007787 solid Substances 0.000 title claims abstract 3
- 239000003792 electrolyte Substances 0.000 title abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 28
- 229910052681 coesite Inorganic materials 0.000 claims abstract 16
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract 16
- 239000000377 silicon dioxide Substances 0.000 claims abstract 16
- 229910052682 stishovite Inorganic materials 0.000 claims abstract 16
- 229910052905 tridymite Inorganic materials 0.000 claims abstract 16
- 150000002500 ions Chemical class 0.000 claims abstract 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract 3
- 229910052744 lithium Inorganic materials 0.000 claims abstract 3
- 239000000203 mixture Substances 0.000 claims abstract 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims 12
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims 12
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims 12
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims 12
- 239000010416 ion conductor Substances 0.000 claims 12
- 239000002001 electrolyte material Substances 0.000 claims 11
- 239000004020 conductor Substances 0.000 claims 6
- 239000010408 film Substances 0.000 claims 5
- 239000000463 material Substances 0.000 claims 3
- 239000010409 thin film Substances 0.000 claims 3
- 229910052684 Cerium Inorganic materials 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 2
- 239000002243 precursor Substances 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims 1
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical compound [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000011232 storage material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Abstract
The present invention relates to the composition of a solid lithium-ion electrolyte based on the Li2O-CeO2-SiO2 system having good transparent characteristics and high ion conductivity suitable for uses in lithium batteries, electrochromic devices and other electrochemical applications.
Claims
AMENDED CLAIMS
[received by the International Bureau on 19 May 1997 (19.05.97); original claims 1-21 replaced'by amended claims 1-23 (2 pages)] 1. A lithium-ion conductor comprising electrolyte material consisting of Li2O- CeO2-SiO2.
2. The ion conductor of claim 1 wherein the electrolyte material comprises approximately 20% Li2O, 20% CeO2 and 60% SiO2 by molar.
3. The ion conductor of claim 1 wherein the electrolyte material comprises approximately 10% Li2O, 30% CeO2, and 60% SiO2 by molar.
4. The ion conductor of Claim 1 wherein the electrolyte material comprises approximately 30% Li2O, 20% CeO2, and 50% SiO2 by molar.
5. The ion conductor of Claim 1 wherein the electrolyte material comprises approximately 30% Li2O, 10% CeO2, 60% SiO2 by molar.
6. The ion conductor of Claim 1 wherein the electrolyte material comprises approximately 25% Li2O, 15% CeO2 , 60% SiO2 by molar.
7. The ion conductor of Caim 1 wherein the electrolyte material comprises molar percentages of 10% - 30% Li2O, 10% - 30% CeO2 , and 50% - 60% SiO2.
8. The ion conductor of Claim 1 wherein the electrolyte material is a film.
9. A method of forming an ion conductor film on a substrate comprising:
a) dissolving lithium nitride and ammonium-cerium-nitrate in water to form a first solution;
b) dissolving TEOS in ethanol to form a second solution;
c) mixing the first and second solutions to form a precursor;
d) coating the substrate with the precursor to form a film;
e) drying the film.
10. An ion conductor of a mixed oxide consisting of Li2O-CeOz-SiO2.
11. An electrochemical cell comprising
a) two layers of electrically conductive material;
b) a lithium-ion storage layer between the two layers of electrically' conductive material; c) an ion conducting layer comprising a Li2O-CeO2-SiO2 electrolyte material between one of the layers of electrically conducting material and the lithium-ion storage layer.
12. The cell of Claim 1 1 wherein the ion conducting layer comprises approximately
20% Li2O, 20% CeO2 and 60% SiO2 by molar.
13. The cell of Claim 11 wherein the ion conducting layer comprises 10% Li2O, 30% CeO2 and 60% SiO2 by molar,
14. The cell of Claim 1 1 wherein the ion conducting layer comprises approximately 30% Li2O, 20% CeO2, and 50% SiO2 by molar.
15. The cell of Claim 11 wherein the ion conducting layer comprises approximately 30% Li2O, 10% CeO2, and 60% SiO2 by molar.
16. The cell of Claim 1 1 wherein the ion conducting layer comprises approximately 25% Li2O, 15% CeO2, and 60% SiO2 by molar.
17. The cell of Claim 11 wherein the ion conducting layer comprises molar percentages of 10% - 30% Li2O, 10% - 30% CeO2, and 50% - 60% SiO2.
18. The cell of Claim 11 wherein the ion conducting layer is a film.
19. The cell of Claim 11 wherein the two layers of electrically conductive material are transparent.
20. The cell of Claim 11 wherein one of the layers of electrically conductive material is reflective.
21. The cell of Claim 11 further comprising an electrochromic layer between one of the layers of electrically conductive material and the ion conducting layer,
22. A thin film ion conductor positioned between an ion storage material and an electrochromic material, said thin film ion conductor comprising oxides of lithium, cerium, and silicon.
23. An electrolyte material for transmitting lithium ions between two different materials in response to an electric potential between said two different materials, said electrolyte material comprising a solid, thin film mixture of oxides of lithium, cerium, and silicon.
STATEMENT UNDER ARTICLE 19
The amended claims 1-23 presented in the replacement pages 1 1-12 accompanying the applicant's Amendment After Notification of Transmittal of the International Search Report Under Article 19(1), Rule 46, as described in the accompanying Letter Describing Differences Between Replaced Sheets and Replacement Sheets submitted concurrently herewith, are made to amend the claims to substantially the same form in the corresponding U.S. patent application. The Amendment defines the invention more clearly over the prior art cited in the corresponding U.S. application. This amendment has no impact on the description and drawings .
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU72423/96A AU699634B2 (en) | 1995-10-06 | 1996-09-27 | Solid lithium-ion electrolyte |
| EP96933848A EP0797788A4 (en) | 1995-10-06 | 1996-09-27 | LITHIUM ION SOLID ELECTROLYTE |
| JP51429297A JP2002504259A (en) | 1995-10-06 | 1996-09-27 | Solid lithium ion electrolyte |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/540,046 US5716736A (en) | 1995-10-06 | 1995-10-06 | Solid lithium-ion electrolyte |
| US08/540,046 | 1995-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1997013178A1 WO1997013178A1 (en) | 1997-04-10 |
| WO1997013178B1 true WO1997013178B1 (en) | 1997-06-19 |
Family
ID=24153760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1996/015158 WO1997013178A1 (en) | 1995-10-06 | 1996-09-27 | Solid lithium-ion electrolyte |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5716736A (en) |
| EP (1) | EP0797788A4 (en) |
| JP (1) | JP2002504259A (en) |
| AU (1) | AU699634B2 (en) |
| CA (1) | CA2206817A1 (en) |
| WO (1) | WO1997013178A1 (en) |
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| DE19845881A1 (en) * | 1998-10-06 | 2000-04-13 | Bayer Ag | Arrangement based on poly (3,4, -dioxythiophene) derivatives that are electrochromically switched with protons |
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| US7247408B2 (en) * | 1999-11-23 | 2007-07-24 | Sion Power Corporation | Lithium anodes for electrochemical cells |
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| US20110300432A1 (en) | 2010-06-07 | 2011-12-08 | Snyder Shawn W | Rechargeable, High-Density Electrochemical Device |
| JP2012160440A (en) * | 2011-01-16 | 2012-08-23 | Nanomembrane Technologies Inc | Inorganic solid ion conductor and manufacturing method therefor and electrochemical device |
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| KR102563670B1 (en) | 2014-09-09 | 2023-08-03 | 시온 파워 코퍼레이션 | Protective layers in lithium-ion electrochemical cells and associated electrodes and methods |
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| KR102118358B1 (en) * | 2017-09-18 | 2020-06-04 | 주식회사 엘지화학 | Method for preparing an electrochromic device |
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| US4768865A (en) * | 1987-06-10 | 1988-09-06 | Ppg Industries, Inc. | Electrochromic window with metal grid counter electrode |
| FR2633609B1 (en) * | 1988-06-30 | 1992-07-10 | Saint Gobain Vitrage | ELECTROCHROME SYSTEM |
| JP2882104B2 (en) * | 1991-07-17 | 1999-04-12 | 松下電器産業株式会社 | Proton conductor and method for producing the same |
| US5384653A (en) * | 1992-11-06 | 1995-01-24 | Midwest Research Institute | Stand-alone photovoltaic (PV) powered electrochromic window |
| US5312623A (en) * | 1993-06-18 | 1994-05-17 | The United States Of America As Represented By The Secretary Of The Army | High temperature, rechargeable, solid electrolyte electrochemical cell |
| US5451310A (en) * | 1994-02-21 | 1995-09-19 | The United States Of America As Represented By The Secretary Of The Army | Solid state electrochemical cell oxygen sensor |
-
1995
- 1995-10-06 US US08/540,046 patent/US5716736A/en not_active Expired - Lifetime
-
1996
- 1996-09-27 CA CA002206817A patent/CA2206817A1/en not_active Abandoned
- 1996-09-27 WO PCT/US1996/015158 patent/WO1997013178A1/en not_active Application Discontinuation
- 1996-09-27 JP JP51429297A patent/JP2002504259A/en active Pending
- 1996-09-27 EP EP96933848A patent/EP0797788A4/en not_active Withdrawn
- 1996-09-27 AU AU72423/96A patent/AU699634B2/en not_active Ceased
-
1997
- 1997-10-29 US US08/960,606 patent/US5834137A/en not_active Expired - Lifetime
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