US4339512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery having electrode with hydrophilic polymer binder
Assignee: Motors Liquidation Co
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Filing: 1981-01-12
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Granted: 1982-07-13
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Expires: 2001-01-12
Abstract
Abstract In a preferred embodiment is disclosed a zinc electrode for an alkaline zinc-nickel hydroxide cell wherein zinc-rich active electrode material is bonded to a conductive grid with hydrophilic polyethylene fibers.
Inventors
- 👤 Romeo R. Witherspoon
- 👤 Stuart G. Meibuhr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:06
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0438; H01M4/044; H01M4/0445; H01M4/0447; H01M4/24; H01M4/244; H01M4/62; H01M4/621; H01M4/622; H01M4/64; H01M4/66; H01M4/665; H01M4/667; H01M4/70; H01M4/72; H01M4/74; H01M4/745; H01M4/043; H01M4/661; H01M50/00; H01M50/40; H01M50/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
56 words
An alkaline zinc-nickel hydroxide cell comprising in combination a nickel hydroxide electrode, a zinc electrode spaced from said nickel hydroxide electrode and comprising a conductive grid embedded in zinc rich particles and sufficient hydrophilic polyethylene fibers to bind said particles in place on said grid, and an aqueous alkaline electrolyte bridging the space between the electrodes.
Claim 2
Dependent Claim
56 words
An alkaline zinc-nickel hydroxide cell comprising in combination a nickel hydroxide electrode, a zinc electrode spaced from said nickel hydroxide electrode and comprising a conductive grid embedded in zinc rich particles and sufficient hydrophilic polyethylene fibers to bind said particles in place on said grid, and an aqueous alkaline electrolyte bridging the space between the electrodes.
Claim 3
Dependent Claim
60 words
An alkaline zinc-nickel hydroxide cell comprising in combination a nickel hydroxide electrode, a zinc electrode spaced from said nickel hydroxide electrode and an aqueous alkaline electrolyte bridging the space between the electrodes, said zinc electrode comprising a conductive grid embedded in zinc rich particles bound to said grid with polyethylene fibers containing sufficient polyvinyl alcohol so as to be hydrophilic.
Claim 4
Dependent Claim
60 words
An alkaline zinc-nickel hydroxide cell comprising in combination a nickel hydroxide electrode, a zinc electrode spaced from said nickel hydroxide electrode and an aqueous alkaline electrolyte bridging the space between the electrodes, said zinc electrode comprising a conductive grid embedded in zinc rich particles bound to said grid with polyethylene fibers containing sufficient polyvinyl alcohol so as to be hydrophilic.
Claim 5
Dependent Claim
76 words
An alkaline zinc-nickel hydroxide cell comprising in combination a nickel hydroxide electrode, a zinc electrode spaced from said nickel hydroxide electrode and an aqueous alkaline electrolyte bridging the space between the electrodes, said zinc electrode comprising a conductive grid embedded in zinc rich particles bound to said grid and reinforced with a reinforcing binder material consisting of short polyethylene fibers that have been treated with polyvinyl alcohol such that said fibers are wettable by said electrolyte.
Claim 6
Dependent Claim
76 words
An alkaline zinc-nickel hydroxide cell comprising in combination a nickel hydroxide electrode, a zinc electrode spaced from said nickel hydroxide electrode and an aqueous alkaline electrolyte bridging the space between the electrodes, said zinc electrode comprising a conductive grid embedded in zinc rich particles bound to said grid and reinforced with a reinforcing binder material consisting of short polyethylene fibers that have been treated with polyvinyl alcohol such that said fibers are wettable by said electrolyte.
Claim 7
Dependent Claim
42 words
A zinc electrode adapted for use in an alkaline zinc-nickel hydroxide cell to provide improved cell discharge voltage during prolonged charge/discharge cycling, said electrode comprising an electrically conductive grid embedded in zinc rich particles bound to said grid with hydrophilic polyethylene fibers.
Claim 8
Dependent Claim
42 words
A zinc electrode adapted for use in an alkaline zinc-nickel hydroxide cell to provide improved cell discharge voltage during prolonged charge/discharge cycling, said electrode comprising an electrically conductive grid embedded in zinc rich particles bound to said grid with hydrophilic polyethylene fibers.
Claim 9
Dependent Claim
50 words
A zinc electrode adapted for use in an alkaline zinc-nickel hydroxide cell to provide improved cell discharge voltage during prolonged charge/discharge cycling, said electrode comprising an electrically conductive grid embedded in zinc rich particles bound to said grid with polyethylene fibers containing sufficient polyvinyl alcohol so as to be hydrophilic.
Claim 10
Dependent Claim
50 words
A zinc electrode adapted for use in an alkaline zinc-nickel hydroxide cell to provide improved cell discharge voltage during prolonged charge/discharge cycling, said electrode comprising an electrically conductive grid embedded in zinc rich particles bound to said grid with polyethylene fibers containing sufficient polyvinyl alcohol so as to be hydrophilic.
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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) | 1985-07-12 | 1986-01-11 | 1986-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-12 | 1990-01-11 | 1990-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-12 | 1994-01-11 | 1994-07-13 | $7700.00 | Window Closed / Lapsed |