US5360686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin composite solid electrolyte film for lithium batteries
Assignee: National Aeronautics and Space Administration
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Filing: 1993-08-20
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Granted: 1994-11-01
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Expires: 2013-08-20
Abstract
Abstract A composite solid electrolyte film for a lithium battery comprising a dispersion of small reinforcing particles such as alumina in a binder rein such as polyethylene oxide. The particles are coated with a compatible lithium salt such as lithium iodide and the alumina particles preferably have a size below 0.5 microns.
Inventors
- 👤 Emmanuel Peled
- 👤 Ganesan Nagasubramanian
- 👤 Gerald Halpert
- 👤 Alan I. Attia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:10
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/182; H01M6/181; H01M4/00; H01M4/02; H01M4/62; H01M4/621
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
37 words
A composite solid electrolyte for a lithium battery comprising a film including a dispersion of 4-20 percent by weight of reinforcing, alumina particles in a binder resin, said particles being coated with a layer of lithium salt.
Claim 2
Dependent Claim
37 words
A composite solid electrolyte for a lithium battery comprising a film including a dispersion of 4-20 percent by weight of reinforcing, alumina particles in a binder resin, said particles being coated with a layer of lithium salt.
Claim 3
Dependent Claim
16 words
An electrolyte according to claim 1 in which the particles have a size below 0.5 microns.
Claim 4
Dependent Claim
18 words
An electrolyte according to claim 2 in which the particles have a size from 0.01 to 0.1 microns.
Claim 5
Dependent Claim
21 words
An electrolyte according to claim 1 in which the lithium salt is present in an amount of 15-40 percent by weight.
Claim 6
Dependent Claim
37 words
A composite solid electrolyte for a lithium battery comprising a film including a dispersion of 4-20 percent by weight of inorganic reinforcing particles in a binder resin, said particles being coated with a layer of lithium halide.
Claim 7
Dependent Claim
37 words
A composite solid electrolyte for a lithium battery comprising a film including a dispersion of 4-20 percent by weight of inorganic reinforcing particles in a binder resin, said particles being coated with a layer of lithium halide.
Claim 8
Dependent Claim
14 words
An electrolyte according to claim 5 in which the lithium salt is lithium iodide.
Claim 9
Dependent Claim
50 words
A battery comprising: a composite solid electrolyte film formed of a dispersion of reinforcing, alumina particles in a binder resin, said particles being coated with a layer of lithium halide; a lithium anode adjacent a first surface of said film; and a cathode adjacent a second surface of the film.
Claim 10
Dependent Claim
50 words
A battery comprising: a composite solid electrolyte film formed of a dispersion of reinforcing, alumina particles in a binder resin, said particles being coated with a layer of lithium halide; a lithium anode adjacent a first surface of said film; and a cathode adjacent a second surface of the film.
Claim 11
Dependent Claim
14 words
A battery according to claim 7 in which the lithium salt is lithium iodide.
Claim 12
Dependent Claim
33 words
A composite solid electrolyte for a lithium battery comprising a film including a dispersion of reinforcing particles in a polyethylene oxide binder resin, said particles being coated with a layer of lithium salt.
Claim 13
Dependent Claim
33 words
A composite solid electrolyte for a lithium battery comprising a film including a dispersion of reinforcing particles in a polyethylene oxide binder resin, said particles being coated with a layer of lithium salt.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-10-31 | 1998-05-02 | 1998-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-31 | 2002-05-02 | 2002-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-31 | 2006-05-02 | 2006-11-01 | $7700.00 | Window Closed / Lapsed |