US4223077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Na+ -conducting glass, glass-ceramic and crystalline cubic composition
Assignee: EIDP Inc
•
Filing: 1979-07-02
•
Granted: 1980-09-16
•
Expires: 1999-07-02
Abstract
Abstract Na + -conducting glass and glass-ceramic of the composition comprising aNa 2 O, bSiO 2 , cM 2 O 3 , dM'O 2 and eM"O wherein, based on the combined molar amounts totaling 100%, a is 32-41 mole %, b is 50-58 mole %, the ratio a/b is 0.575/1 to 0.760/1, c is 0-8 mole %, d is 0-7 mole %, e is 0-17 mole %, 2c+d+e is at least 8.7 mole %, M is one or more elements selected from the group consisting of the rare earth elements, yttrium and iron, M' is Zr or Hf and M" is Mg, Ca, Sr or Ba, Na + -conducting composition having the substantially cubic crystalline structure of the formula Na 9-x-n-z/2 M 1+x/3-2y-n-z/2 M' y+n M" y+z Si 6 O 18 wherein M, M' and M" are as defined above, x is 0 to 1.5, y is 0 to 0.5, z is 0 to 2.0, n is 0 to 0.5, y+n≦0.5 and y+z≦2.0 and the use of said glass, glass-ceramic and crystalline cubic material as a solid electrolyte.
Inventors
- 👤 Barry E. Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:17
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/185; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/078; C03C3/095; C03C4/00; C03C4/18; C25; C25C; C25C3/00; C25C3/02; H01M10/00; H01M10/36; H01M10/39; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 58
Claim 1
Independent Claim
103 words
Na 30 -conducting glass of the composition comprising aNa 2 O, bSiO 2 , cM 2 O 3 , dM'O 2 and eM"O wherein, based on the combined molar amounts totaling 100%, a is 32-41 mole %, b is 50-58 mole %, the ratio a/b is 0.575/1 to 0.760/1, c is 0-8 mole %, d is 0-7 mole %, e is 0-17 mole %, 2c+d+e is at least 8.7 mole %, M is one or more elements selected from the group consisting of the rare earth elements, yttrium and iron, M' is Zr or Hf and M" is Mg, Ca, Sr or Ba.
Claim 2
Dependent Claim
103 words
Na 30 -conducting glass of the composition comprising aNa 2 O, bSiO 2 , cM 2 O 3 , dM'O 2 and eM"O wherein, based on the combined molar amounts totaling 100%, a is 32-41 mole %, b is 50-58 mole %, the ratio a/b is 0.575/1 to 0.760/1, c is 0-8 mole %, d is 0-7 mole %, e is 0-17 mole %, 2c+d+e is at least 8.7 mole %, M is one or more elements selected from the group consisting of the rare earth elements, yttrium and iron, M' is Zr or Hf and M" is Mg, Ca, Sr or Ba.
Claim 3
Dependent Claim
34 words
The Na + -conducting glass of claim 1 in which a is about 41 mole %, b is about 54.5 mole %, c is about 4.5 mole % and d and e are zero.
Claim 4
Dependent Claim
27 words
Na + -conducting glass prepared from NaF and the glass of claim 2, the amount of NaF being up to 0.2 mole/mole of glass of claim 2.
Claim 5
Dependent Claim
13 words
The Na + -conducting glass of claim 2 in which M is Gd.
Claim 6
Dependent Claim
13 words
The Na + -conducting glass of claim 2 in which M is Nd.
Claim 7
Dependent Claim
13 words
The Na + -conducting glass of claim 2 in which M is Y.
Claim 8
Dependent Claim
13 words
The Na + -conducting glass of claim 2 in which M is Fe.
Claim 9
Dependent Claim
38 words
The Na + -conducting glass of claim 1 in which a is about 39.1 mole %, b is about 52.5 mole %, c is zero, d is about 4.35 mole % and e is about 4.35 mole %.
Claim 10
Dependent Claim
13 words
The Na + -conducting glass of claim 8 in which M' is Zr.
Claim 11
Dependent Claim
13 words
The Na + -conducting glass of claim 8 in which M" is Mg.
Claim 12
Dependent Claim
17 words
The Na + -conducting glass of claim 8 in which M" is half Mg and half Ca.
Claim 13
Dependent Claim
13 words
The Na + -conducting glass of claim 8 in which M" is Ca.
Claim 14
Dependent Claim
13 words
The Na + -conducting glass of claim 8 in which M" is Sr.
Claim 15
Dependent Claim
13 words
The Na + -conducting glass of claim 8 in which M" is Ba.
Claim 16
Dependent Claim
38 words
The Na + -conducting glass of claim 1 in which a is about 35-36 mole %, b is about 57-57.2 mole %, c is about 6.4-7.2 mole %, d is about 0-1.5 mole % and e is zero.
Claim 17
Dependent Claim
17 words
The Na + -conducting glass of claim 15 in which M is Gd and M' is Zr.
Claim 18
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass of claim 1.
Claim 19
Dependent Claim
11 words
The electrochemical device of claim 17 which is a galvanic cell.
Claim 20
Dependent Claim
18 words
The galvanic cell of claim 18 in which the solid electrolyte is in the form of hollow fibers.
Claim 21
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass of claim 2.
Claim 22
Dependent Claim
11 words
The electrochemical device of claim 20 which is a galvanic cell.
Claim 23
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass of claim 8.
Claim 24
Dependent Claim
11 words
The electrochemical device of claim 22 which is a galvanic cell.
Claim 25
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass of Claim 15.
Claim 26
Dependent Claim
11 words
The electrochemical device of claim 24 which is a galvanic cell.
Claim 27
Dependent Claim
18 words
Electrochromic display device wherein the solid electrolyte consists essentially of the Na + -conducting glass of claim 1.
Claim 28
Dependent Claim
10 words
Na + -conducting glass-ceramic comprising devitrified glass of claim 1.
Claim 29
Dependent Claim
35 words
The Na + -conducting glass-ceramic of claim 27 in which a is about 41 mole %, b is about 54.5 mole % and c is about 4.5 mole % and d and e are zero.
Claim 30
Dependent Claim
13 words
The Na + -conducting glass-ceramic of claim 28 in which M is Gd.
Claim 31
Dependent Claim
13 words
The Na + -conducting glass-ceramic of claim 28 in which M is Nd.
Claim 32
Dependent Claim
13 words
The Na + -conducting glass-ceramic of claim 28 in which M is Y.
Claim 33
Dependent Claim
13 words
The Na + -conducting glass-ceramic of claim 28 in which M is Fe.
Claim 34
Dependent Claim
39 words
The Na + -conducting glass ceramic of claim 27 in which a is about 35-36 mole %, b is about 57-57.2 mole %, c is about 6.4-7.2 mole %, d is about 0-1.5 mole % and e is zero.
Claim 35
Dependent Claim
17 words
The Na + -conducting glass-ceramic of claim 33 in which M is Gd and d is zero.
Claim 36
Dependent Claim
17 words
The Na + -conducting glass-ceramic of claim 33 in which M is Fe and d is zero.
Claim 37
Dependent Claim
17 words
The Na + -conducting glass-ceramic of claim 33 in which M is Gd and M' is Zr.
Claim 38
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass-ceramic of claim 27.
Claim 39
Dependent Claim
11 words
The electrochemical device of claim 37 which is a galvanic cell.
Claim 40
Dependent Claim
22 words
The galvanic cell of claim 38 wherein the solid electrolyte is in the form of a film or coating on a substrate.
Claim 41
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass-ceramic of claim 28.
Claim 42
Dependent Claim
11 words
The electrochemical device of claim 40 which is a galvanic cell.
Claim 43
Dependent Claim
22 words
The galvanic cell of claim 41 wherein the solid electrolyte is in the form of a film or coating on a substrate.
Claim 44
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting glass-ceramic of claim 33.
Claim 45
Dependent Claim
11 words
The electrochemical device of claim 43 which is a galvanic cell.
Claim 46
Dependent Claim
22 words
The galvanic cell of claim 44 wherein the solid electrolyte is in the form of a film or coating on a substrate.
Claim 47
Dependent Claim
18 words
Electrochromic display device wherein the solid electrolyte consists essentially of the Na + -conducting glass-ceramic of claim 27.
Claim 48
Dependent Claim
81 words
Na + -conducting composition having the substantially cubic crystalline structure of the formula Na 9-x-n-z/2 M 1+x/3-2y-n-z/2 M' y+n M" y+z Si 6 O 18 wherein M is one or more elements selected from the group consisting of the rare earth elements, yttrium and iron, M' is Zr or HF and M" is Mg, Ca, Sr or Ba, x is 0 to 1.5, y is 0 to 0.5, z is 0 to 2.0, n is 0 to 0.5 y+n≦0.5 and y+z≦2.0.
Claim 49
Dependent Claim
81 words
Na + -conducting composition having the substantially cubic crystalline structure of the formula Na 9-x-n-z/2 M 1+x/3-2y-n-z/2 M' y+n M" y+z Si 6 O 18 wherein M is one or more elements selected from the group consisting of the rare earth elements, yttrium and iron, M' is Zr or HF and M" is Mg, Ca, Sr or Ba, x is 0 to 1.5, y is 0 to 0.5, z is 0 to 2.0, n is 0 to 0.5 y+n≦0.5 and y+z≦2.0.
Claim 50
Dependent Claim
19 words
The Na + -conducting composition of claim 47 having a cubic cell edge of about 15.2 A (1.52 nm).
Claim 51
Dependent Claim
38 words
The Na + -conducting composition of claim 48 in which a is about 41 mole %, b is about 54.5 mole %, c is about 4.5 mole % and d, e, x, y, z and n are zero.
Claim 52
Dependent Claim
13 words
The Na + -conducting composition of claim 49 in which M is Gd.
Claim 53
Dependent Claim
13 words
The Na + -conducting composition of claim 49 in which M is Nd.
Claim 54
Dependent Claim
13 words
The Na + -conducting composition of claim 49 in which M is Y.
Claim 55
Dependent Claim
40 words
The Na + -conducting composition of claim 48 in which a is about 36 mole %, b is about 57 mole %, c is about 7 mole %, x is 1.5 and d, e, y, z and n are zero.
Claim 56
Dependent Claim
13 words
The Na + -conducting composition of claim 53 in which M is Gd.
Claim 57
Dependent Claim
61 words
In an electrochemical device having (a) two electrodes, one of which is a sodium-containing electrode capable of supplying sodium ions, (b) a solid electrolyte separating the two electrodes and (c) an inert connecting electrical connector to complete an electrical circuit between the two electrodes, the improvement wherein the solid electrolyte consists essentially of the Na + -conducting composition of claim 47.
Claim 58
Dependent Claim
11 words
The electrochemical device of claim 55 which is a galvanic cell.
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) | 1983-09-16 | 1984-03-17 | 1984-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-16 | 1988-03-17 | 1988-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-16 | 1992-03-17 | 1992-09-16 | $7700.00 | Window Closed / Lapsed |