US5576115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite polymeric electrolyte
Assignee: National Agency for New Technologies, Energy and Sustainable Economic Development
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Filing: 1995-04-17
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Granted: 1996-11-19
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Expires: 2015-04-17
Abstract
Abstract Composite, ternary, polymeric system formed by intimately mixing a polymeric compound, a metal salt, and a ceramic additive acting both as agent promoting the transport features (conductivity and ion mobility) and as stabilizer of the chemical characteristics (compatibility with the electrode materials) of the polymeric electrolyte.
Inventors
- 👤 Federico Capuano
- 👤 Fausto Croce
- 👤 Bruno Scrosati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:12
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/181; H01M6/16; H01M6/162; H01M6/168
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
A composite ternary polymer electrolyte consisting of polyethylene oxide, lithium perchlorate and a zeolite which are respectively present in a weight ratio of 20:70:10.
Claim 2
Dependent Claim
24 words
A composite ternary polymer electrolyte consisting of polyethylene oxide, lithium perchlorate and a zeolite which are respectively present in a weight ratio of 20:70:10.
Claim 3
Dependent Claim
33 words
The electrolyte of claim 1, wherein the zeolite is in the form of particles dispersed in the system to inhibit crystallization of the polyethylene oxide and to permit use thereof at low temperatures.
References Cited (Backward Citations)
GB2030351A
Cited
JPS56102830A
Cited
JPS61264679A
Cited
CN1034212A
Cited
EP0379372A1
Cited
US5188783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-11-19 | 2000-05-20 | 2000-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-19 | 2004-05-20 | 2004-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-19 | 2008-05-20 | 2008-11-19 | $7700.00 | Window Closed / Lapsed |