Patent US4482448A successfully refreshed from Google Patents.
US4482448A
Expired / Lapsed
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Electrode structure for electrolyser cells
Assignee: Electrolyser Corp Ltd
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Filing: 1982-09-21
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Granted: 1984-11-13
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Expires: 2002-09-21
Abstract
Abstract An electrode structure for electrolytic cells is disclosed. The electrode structure comprises a central current-collector structure having high points on at least one side and adapted to be placed vertically in the electrolytic cell, and a porous electrode secured to the high points of the current-collector structure on at least one side thereof so as to form an essentially-planar pre-electrode surface. The high points of the current-collector are arranged so as to allow an unimpeded rise of the evolved gases to the top of the electrode.
Inventors
- 👤 Christopher T. Bowen
- 👤 H. John Davis
- 👤 Rodney L. LeRoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:39
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B11/03; C25B11/031
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
108 words
An electrode structure for unipolar electrolytic cells comprising: (a) a formed metal plate current-collector structure having vertically orientated corrugations which define a plurality of respective crests and adapted to be placed vertically in the electrolytic cell; (b) a porous electrode secured to the crests of said corrugations on at least one side thereof so as to form an essentially-planar pre-electrode surface, the depth of said corrugations being such as to allow an unimpeded vertical rise of evolved gases to the top of the electrode between the corrugated plate and the pre-electrode surface; and (c) means for removing or applying current from one vertical end edge of said plate.
Claim 2
Dependent Claim
108 words
An electrode structure for unipolar electrolytic cells comprising: (a) a formed metal plate current-collector structure having vertically orientated corrugations which define a plurality of respective crests and adapted to be placed vertically in the electrolytic cell; (b) a porous electrode secured to the crests of said corrugations on at least one side thereof so as to form an essentially-planar pre-electrode surface, the depth of said corrugations being such as to allow an unimpeded vertical rise of evolved gases to the top of the electrode between the corrugated plate and the pre-electrode surface; and (c) means for removing or applying current from one vertical end edge of said plate.
Claim 3
Dependent Claim
34 words
An electrode structure as defined in claim 1 wherein said means for removing current from one vertical end edge of said plate includes a bar secured to said vertical end edge for current equalization.
Claim 4
Dependent Claim
24 words
An electrode structure as defined in claim 1 or 2 wherein the depth of corrugation of the electrode is between 0.1 and 3 cm.
Claim 5
Dependent Claim
22 words
An electrode structure as defined in claims 1 or 2 wherein the thickness of said plate is between 0.04 and 1.5 cm.
Claim 6
Dependent Claim
32 words
An electrode structure as defined in claim 4, wherein the length of said corrugations is between 0.7 and 15 cm for a plate having a thickness of between 0.04 and 1.5 cm.
References Cited (Backward Citations)
US3123545A
Cited
CA822662A
Cited
US3019178A
Cited
US3379634A
Cited
CA1002476A
Cited
US3941675A
Cited
US3930981A
Cited
US4008143A
Cited
CA1041040A
Cited
CA1086256A
Cited
US4187165A
Cited
FR2433592A1
Cited
US4369102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-13 | 1988-05-14 | 1988-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-13 | 1992-05-14 | 1992-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-13 | 1996-05-14 | 1996-11-13 | $7700.00 | Window Closed / Lapsed |