US5023155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel electrode for alkaline batteries
Assignee: Evercel Inc
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Filing: 1989-11-06
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Granted: 1991-06-11
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Expires: 2009-11-06
Abstract
Abstract A nickel electrode comprising a conductive support and a layer on said support comprising a conductive diluent and an active material including nickel hydroxide containing boron.
Inventors
- 👤 Allen Charkey
- 👤 Stanley Januszkiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:49
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/52; H01M4/24; H01M4/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
35 words
A nickel electrode comprising: an electrically conductive support; a layer on said support, said layer comprising a conductive diluent and active material including nickel hydroxide having 1-10% atom % boron contained within its crystalline lattice.
Claim 2
Dependent Claim
35 words
A nickel electrode comprising: an electrically conductive support; a layer on said support, said layer comprising a conductive diluent and active material including nickel hydroxide having 1-10% atom % boron contained within its crystalline lattice.
Claim 3
Dependent Claim
23 words
A electrode in accordance with claim 1 wherein: the boron is present as one of BO 3 -3 ions and B +3 ions.
Claim 4
Dependent Claim
23 words
An electrode in accordance with claim 1 wherein: said boron is present in a compound of Ni 3 (BO 3 ) 2 .
Claim 5
Dependent Claim
21 words
An electrode in accordance with claim 1 wherein: said boron is present in a compound of H 3 BO 3 .
Claim 6
Dependent Claim
13 words
An electrode in accordance with claim 1 wherein: said conductive diluent is graphite.
Claim 7
Dependent Claim
15 words
An electrode in accordance with claim 5 further including: a binder included in said layer.
Claim 8
Dependent Claim
12 words
An electrode in accordance with claim 6 wherein: said binder comprises polytetrafluoroethylene.
Claim 9
Dependent Claim
20 words
An electrode in accordance with claim 1 wherein: said boron is present in an amount equal to 1-2 atom %.
Claim 10
Independent Claim
40 words
A method for producing an Ni(OH) 2 material for use as the active material in a nickel electrode comprising: forming a solution from aqueous nickel salts, aqueous cobalt salts and boric acid; precipitating from said solution Ni(OH) 2 containing boron.
Claim 11
Independent Claim
40 words
A method for producing an Ni(OH) 2 material for use as the active material in a nickel electrode comprising: forming a solution from aqueous nickel salts, aqueous cobalt salts and boric acid; precipitating from said solution Ni(OH) 2 containing boron.
Claim 12
Dependent Claim
23 words
An active material for use in forming a nickel electrode comprising nickel hydroxide having 1-10 atom % boron contained within its crystalline lattice.
Claim 13
Dependent Claim
23 words
An active material for use in forming a nickel electrode comprising nickel hydroxide having 1-10 atom % boron contained within its crystalline lattice.
Claim 14
Dependent Claim
16 words
The active material of claim 10 wherein the atom % of boron is 1-2 atom %.
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) | 1994-06-10 | 1994-12-10 | 1995-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-10 | 1998-12-10 | 1999-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-10 | 2002-12-10 | 2003-06-11 | $7700.00 | Window Closed / Lapsed |