Patent US4475282A successfully refreshed from Google Patents.
US4475282A
Expired / Lapsed
US
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Method of constructing an improved electrochemical cell
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1983-03-14
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Granted: 1984-10-09
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Expires: 2003-03-14
Abstract
Abstract An electrochemical cell construction features a novel co-extruded plastic electrode in an interleaved construction with a novel integral separator-spacer. Also featured is a leak and impact resistant construction for preventing the spill of corrosive materials in the event of rupture.
Inventors
- 👤 Patrick G. Grimes
- 👤 Harry Einstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:02
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/365; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
69 words
A method of constructing a leak and impact resistant zinc-bromine electrochemical cell, comprising the steps of: (a) storing a bromine-rich phase in a first inner compartment; (b) substantially surrounding said first inner compartment with a second compartment containing a first electrolyte for circulation through said cell; and (c) substantially surrounding both said second and first compartments with a third compartment containing a second electrolyte for circulation through said cell.
Claim 2
Independent Claim
69 words
A method of constructing a leak and impact resistant zinc-bromine electrochemical cell, comprising the steps of: (a) storing a bromine-rich phase in a first inner compartment; (b) substantially surrounding said first inner compartment with a second compartment containing a first electrolyte for circulation through said cell; and (c) substantially surrounding both said second and first compartments with a third compartment containing a second electrolyte for circulation through said cell.
Claim 3
Dependent Claim
26 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein said first electrolyte comprises a catholyte of said zinc-bromine cell.
Claim 4
Dependent Claim
26 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein said second electrolyte comprises an anolyte of said zinc-bromine cell.
Claim 5
Dependent Claim
23 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein said bromine-rich phase is a non-aqueous phase.
Claim 6
Dependent Claim
26 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein said bromine-rich phase comprises at least one bromine complexing agent.
Claim 7
Dependent Claim
23 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein each compartment comprises a chemically inert plastic.
Claim 8
Dependent Claim
23 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 2, wherein said catholyte comprises a bromine complexing agent.
Claim 9
Dependent Claim
26 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein said third compartment is comprised of an impact resistant material.
Claim 10
Dependent Claim
23 words
The method of constructing a leak and impact resistant zinc-bromine electrochemical cell of claim 1, wherein said third compartment is comprised of plastic.
Claim 11
Independent Claim
74 words
A method of constructing a leak and impact resistant electrochemical system, comprising the steps of: (a) storing a second phase in a first inner compartment; (b) substantially surrounding said first inner compartment with a second compartment containing a first electrolyte from which said second phase separates for circulation through said cell; and (c) substantially surrounding both said second and first compartments with a third compartment containing a second electrolyte for circulation through said cell.
Claim 12
Independent Claim
74 words
A method of constructing a leak and impact resistant electrochemical system, comprising the steps of: (a) storing a second phase in a first inner compartment; (b) substantially surrounding said first inner compartment with a second compartment containing a first electrolyte from which said second phase separates for circulation through said cell; and (c) substantially surrounding both said second and first compartments with a third compartment containing a second electrolyte for circulation through said cell.
Claim 13
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein said first electrolyte comprises a catholyte of said system.
Claim 14
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein said second electrolyte comprises an anolyte of said system.
Claim 15
Dependent Claim
21 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein said second phase is substantially non-aqueous.
Claim 16
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein said second phase comprises at least one organic agent.
Claim 17
Dependent Claim
22 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein each compartment comprises a chemically inert plastic.
Claim 18
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 11, wherein said catholyte partially comprises a product extraction complexing agent.
Claim 19
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein said first electrolyte comprises an anolyte of said system.
Claim 20
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 10, wherein said second electrolyte comprises a catholyte of said system.
Claim 21
Dependent Claim
23 words
The method of constructing a leak and impact resistant electrochemical system of claim 12, wherein said anolyte comprises substantially organic extractant for products.
Claim 22
Dependent Claim
24 words
The method of constructing a leak and impact resistant electrochemical system of claim 17, wherein said anolyte comprises a substantially organic extractant for products.
Claim 23
Dependent Claim
25 words
The method of constructing a leak and impact resistant electrochemical system of claim 12, wherein said anolyte comprises substantially a non-aqueous phase for carrying reactants.
Claim 24
Dependent Claim
25 words
The method of constructing a leak and impact resistant electrochemical system of claim 17, wherein said anolyte comprises substantially a non-aqueous phase for carrying reactants.
Claim 25
Dependent Claim
25 words
The method of constructing a leak and impact resistant electrochemical system of claim 11, wherein the catholyte comprises substantially a non-aqueous phase for carrying reactants.
Claim 26
Dependent Claim
25 words
The method of constructing a leak and impact resistant electrochemical system of claim 18, wherein the catholyte comprises substantially a non-aqueous phase for carrying reactants.
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) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |