US3980499A
Expired / Lapsed
US
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Device for use of lithium haloboracites as solid electrolytes
Assignee: EIDP Inc
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Filing: 1975-06-25
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Granted: 1976-09-14
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Expires: 1995-06-25
Abstract
Abstract Lithium haloboracites of the formula Li 4 B 7 O 12 X where X is Cl, Br, I or a mixture thereof are useful as solid electrolytes for galvanic cells. Preferred lithium haloboracites are those in which X is a mixture of Br and Cl where Br is 20 to 50 mole percent of X.
Inventors
- 👤 Tom Allen Bither, Jr.
- 👤 Wolfgang Karl Jeitschko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:00
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/185; C; C01; C01B; C01B35/00; C01B35/06; C25; C25C; C25C3/00; C25C3/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
60 words
An electrochemical device which comprises a. a lithium-containing anode which is capable of supplying lithium ions, b. a cathode which is capable of removing lithium ions, said anode and cathode being separated by c. a solid electrolyte consisting essentially of a lithium haloboracite Li 4 B 7 O 12 X where X is Cl, Br, I or a mixture thereof.
Claim 2
Dependent Claim
60 words
An electrochemical device which comprises a. a lithium-containing anode which is capable of supplying lithium ions, b. a cathode which is capable of removing lithium ions, said anode and cathode being separated by c. a solid electrolyte consisting essentially of a lithium haloboracite Li 4 B 7 O 12 X where X is Cl, Br, I or a mixture thereof.
Claim 3
Dependent Claim
11 words
The device of claim 1 wherein it is a galvanic cell.
Claim 4
Dependent Claim
29 words
The device of claim 1 wherein the lithium haloboracite is of the formula Li 4 B 7 O 12 Cl 1-n Br n where n is 0.2 to 0.5.
Claim 5
Dependent Claim
11 words
The device of claim 3 wherein it is a galvanic cell.
Claim 6
Dependent Claim
12 words
The galvanic cell of claim 2 wherein the anode is liquid lithium.
Claim 7
Dependent Claim
13 words
The galvanic cell of claim 2 wherein the anode is a lithium amalgam.
Claim 8
Dependent Claim
23 words
The galvanic cell of claim 6 wherein the anode is a saturated lithium amalgam and the cathode is a 0.1 saturated lithium amalgam.
Claim 9
Dependent Claim
12 words
The galvanic cell of claim 2 wherein the anode is lithium foil.
Claim 10
Dependent Claim
12 words
The galvanic cell of claim 8 wherein the cathode is cuprous sulfide.
Claim 11
Dependent Claim
32 words
The device of claim 1 wherein it is an electrolytic cell for purifying lithium in which the solid electrolyte is in the form of a separator between the anode and the cathode.
References Cited (Backward Citations)
US3384447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-14 | 1980-03-15 | 1980-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-14 | 1984-03-15 | 1984-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-14 | 1988-03-15 | 1988-09-14 | $7700.00 | Window Closed / Lapsed |