Patent US4740437A successfully refreshed from Google Patents.
US4740437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical battery having an electrolytically reduced product of a saccharide as the electrode material
Assignee: Mitsubishi Chemical Corp
•
Filing: 1986-10-09
•
Granted: 1988-04-26
•
Expires: 2006-10-09
Abstract
Abstract Disclosed is an electrode using an electrolytically reduced product obtained by electrolytic reduction of a saccharide. According to the present invention, an electrode material of light weight having high energy density as well as high maximum output density, which can provide a non-pollutative battery can be obtained.
Inventors
- 👤 Masaki Fujii
- 👤 Shiroh Gotoh
- 👤 Tatsuo Wakayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:39
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M4/00; H01M4/02; H01M4/36; H01M4/60; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
70 words
In a secondary battery of the type having two electrodes and an electrolyte into which the electrodes are inserted, a first of said electrodes being a negative electrode, a second of said electrodes being a positive electrode, the improvement wherein said first electrode consists essentially of an electrode support carrying an electrolytically reduced product obtained by electrolytic reduction of a saccharide alone, or said product admixed with an electroconductive material.
Claim 2
Dependent Claim
70 words
In a secondary battery of the type having two electrodes and an electrolyte into which the electrodes are inserted, a first of said electrodes being a negative electrode, a second of said electrodes being a positive electrode, the improvement wherein said first electrode consists essentially of an electrode support carrying an electrolytically reduced product obtained by electrolytic reduction of a saccharide alone, or said product admixed with an electroconductive material.
Claim 3
Dependent Claim
11 words
The battery of claim 1, wherein the saccharide is a polysaccharide.
Claim 4
Dependent Claim
14 words
The battery of claim 2, wherein the saccharide is a cellulose or a hemicellulose.
Claim 5
Dependent Claim
11 words
The battery of claim 3, wherein the saccharide is a cellulose.
Claim 6
Dependent Claim
31 words
The battery of claim 1, wherein said second electrode comprises at least one member selected from the group consisting of a metal chalcogenide compound, a carbonaceous material and an electroconductive polymer.
Claim 7
Dependent Claim
11 words
The battery of claim 1 wherein said electrolyte contains lithium ions.
Claim 8
Dependent Claim
35 words
The battery of claim 6 wherein said second electrode consists essentially of an electrode support carrying an electrolytically reduced product obtained by electrolytic reduction of a saccharide or said product admixed with an electroconductive material.
Claim 9
Dependent Claim
14 words
The battery of claim 1 wherein the saccharide is a monosaccharide, disaccharide or trisaccharide.
Claim 10
Dependent Claim
16 words
The battery of claim 1 wherein said electrode support is an electroconductive or an insulating carrier.
Claim 11
Dependent Claim
96 words
In a secondary battery having first and second electrodes and an electrolyte into which the electrodes are inserted, said first electrode being a negative electrode, said second electrode being positive electrode, the improvement wherein said first electrode comprises an electrode support carrying an electrolytically reduced product obtained by subjecting the negative electrode support to cathode reduction in an electrolyte solution containing saccharide to deposit the saccharide on the negative electrode support and form the negative electrode; said battery being charged by doping cations to the negative electrode and discharged by dedoping cations from the negative electrode.
Claim 12
Dependent Claim
96 words
In a secondary battery having first and second electrodes and an electrolyte into which the electrodes are inserted, said first electrode being a negative electrode, said second electrode being positive electrode, the improvement wherein said first electrode comprises an electrode support carrying an electrolytically reduced product obtained by subjecting the negative electrode support to cathode reduction in an electrolyte solution containing saccharide to deposit the saccharide on the negative electrode support and form the negative electrode; said battery being charged by doping cations to the negative electrode and discharged by dedoping cations from the negative electrode.
Claim 13
Dependent Claim
11 words
The battery of claim 10 wherein said cations are lithium ions.
References Cited (Backward Citations)
US3682704A
Cited
US4091181A
Cited
US4380578A
Cited
JPS5889639A
Cited
JPS5893176A
Cited
US4375394A
Cited
US4521450A
Cited
EP0101894A2
Cited
JPS5957741A
Cited
JPS59112584A
Cited
JPS59149654A
Cited
JPS59157974A
Cited
JPS59168010A
Cited
EP0123827A1
Cited
JPS6058430A
Cited
US4567250A
Cited
EP0152632A2
Cited
JPS60146470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-26 | 1991-10-26 | 1992-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-26 | 1995-10-26 | 1996-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-26 | 1999-10-26 | 2000-04-26 | $7700.00 | Window Closed / Lapsed |