US3791867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rechargable nonaqueous battery
Assignee: AT&T Inc
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Filing: 1972-07-24
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Granted: 1974-02-12
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Expires: 1992-07-24
Abstract
Abstract A nonaqueous battery is described which employs a conventional nagative electrode and a positive electrode in which the active material is incorporated in the layered structure of a transition metal chalcogenide. Such positive electrode structures may be utilized completely and are rechargeable.
Inventors
- 👤 J Broadhead
- 👤 A Butherus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:32
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0562; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/581; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
31 words
The battery of claim 1 in which the transition metal chalcogenide is selected from the group consisting of TaTe2, TaS2, WS2, WSe2, WTe2, MoSe2, MoTe2, NbS2, NbSe2, NbTe2, TiS2, and TiTe2.
Claim 2
Dependent Claim
16 words
The battery of claim 1 in which the active material in the positive electrode is iodine.
Claim 3
Dependent Claim
16 words
The battery of claim 1 in which the active material in the positive electrode is sulfur.
Claim 4
Dependent Claim
14 words
The battery of claim 1 in which the transition metal chalcogenide is niobium selenide.
Claim 5
Dependent Claim
16 words
The battery of claim 1 in which the electrolyte is lithium iodide dissolved in propylene carbonate.
Claim 6
Dependent Claim
16 words
The battery of claim 1 in which the electrolyte is lithium sulfide dissolved in propylene carbonate.
Claim 7
Dependent Claim
17 words
The battery of claim 1 in which the active material in the negative electrode is lithium metal.
Claim 8
Dependent Claim
16 words
The battery of claim 1 in which the active material in the negative electrode is magnesium.
Claim 9
Dependent Claim
12 words
The battery of claim 1 in which the electrolyte is a solid.
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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |