US4497883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery having cathode of sheet loaded with graphite and carbon sheet anode
Assignee: Mobil Oil AS
•
Filing: 1983-04-29
•
Granted: 1985-02-05
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Expires: 2003-04-29
Abstract
Abstract Rechargeable secondary battery comprising a cathode of a sheet loaded with graphite, an anode of a sheet containing high surface area carbon, and an electrolyte. The sheets can be prepared using a binder such as paper pulp and can be formed on paper making equipment.
Inventors
- 👤 James G. Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:00
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M4/00; H01M4/86; H01M4/96; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
68 words
An apparatus which is capable of being electrically charged to obtain a rechargeable battery, said apparatus comprising a conductive sheet containing particles of graphite, a conductive sheet containing high surface area carbon, and an electrolyte comprising a metal salt and a non-aqueous solvent; in which said graphite containing sheet is the cathode and said high surface area carbon is the anode in the battery in its charged state.
Claim 2
Independent Claim
68 words
An apparatus which is capable of being electrically charged to obtain a rechargeable battery, said apparatus comprising a conductive sheet containing particles of graphite, a conductive sheet containing high surface area carbon, and an electrolyte comprising a metal salt and a non-aqueous solvent; in which said graphite containing sheet is the cathode and said high surface area carbon is the anode in the battery in its charged state.
Claim 3
Dependent Claim
12 words
The battery of claim 1 in which said electrolyte comprises lithium perchlorate.
Claim 4
Dependent Claim
12 words
The battery of claim 1 in which the electrolyte comprises lithium fluoroborate.
Claim 5
Dependent Claim
12 words
The battery of claim 1 in which said electrolyte comprises lithium hexafluorophosphate.
Claim 6
Dependent Claim
23 words
The battery of claim 1 in which said electrolyte is a solution of lithium perchlorate, lithium fluoroborate or lithium hexafluorophosphate in propylene carbonate.
Claim 7
Dependent Claim
15 words
The battery of claim 1 in which said sheets include paper pulp as a binder.
Claim 8
Dependent Claim
15 words
The battery of claim 1 in which said sheets include organic polymer as a binder.
Claim 9
Dependent Claim
16 words
The battery of claim 1 in which said sheets include conductive organic polymer as a binder.
Claim 10
Dependent Claim
27 words
The battery of claim 1 in which said cathode comprises graphite bound with paper pulp and said anode comprises high surface area carbon bound with paper pulp.
Claim 11
Dependent Claim
33 words
The battery of claim 1 in which said cathode comprises graphite and carbon fibers bound with paper pulp and said anode comprises high surface area carbon and carbon fibers bound with paper pulp.
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) | 1988-02-05 | 1988-08-06 | 1989-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-05 | 1992-08-06 | 1993-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-05 | 1996-08-06 | 1997-02-05 | $7700.00 | Window Closed / Lapsed |