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US5069987A
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Solid oxide fuel cell assembly
Assignee: Igr Enterprises
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Filing: 1990-07-06
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Granted: 1991-12-03
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Expires: 2010-07-06
Abstract
Abstract There is provided a solid oxide fuel cell comprising a solid state electrolytic cell wherein the solid electrolyte is a ductile composite comprising an ordered, repeating array of ductile intersupported continuous fibers substantially surrounding a ceramic matrix, and means for connecting the cell to an electrical load whereby when current is passed through the cell, fuel and air are converted into electric power.
Inventors
- 👤 Arnold Z. Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:45
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; B; B01; B01D; B01D53/00; B01D53/32; B01D53/326; C04; C04B; C04B35/00; C04B35/01; C04B35/16; C04B35/18; C04B35/45; C04B35/4504; C04B35/4512; C04B35/4521; C04B35/453; C04B35/48; C04B35/486; C04B35/50; C04B35/622; C04B35/653; C04B35/71; C04B35/74; H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; H01M8/1231; H01M8/124; H01M8/1246; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
62 words
A solid oxide fuel cell comprising a solid state electrolytic cell wherein the solid electrolyte is a ductile composite comprising a regular, ordered, repeating array of ductile intersupported continuous fibers intimately mixed with a ceramic matrix, and means for connecting said cell to an electrical load, whereby when current is generated from said cell, fuel and air are converted to electric power.
Claim 2
Dependent Claim
62 words
A solid oxide fuel cell comprising a solid state electrolytic cell wherein the solid electrolyte is a ductile composite comprising a regular, ordered, repeating array of ductile intersupported continuous fibers intimately mixed with a ceramic matrix, and means for connecting said cell to an electrical load, whereby when current is generated from said cell, fuel and air are converted to electric power.
Claim 3
Dependent Claim
22 words
The solid oxide fuel cell of claim 1 wherein said ductile array is a metal mesh having a regular, ordered, repeating pattern.
Claim 4
Dependent Claim
18 words
The solid oxide fuel cell of claim 2 wherein said ordered, repeating pattern is a diamond shaped pattern.
Claim 5
Dependent Claim
32 words
The solid oxide fuel cell of claim 1 wherein a plurality of individual cells are arranged in a planar stack array, said cells separated by air plenum chambers and fuel plenum chambers.
Claim 6
Dependent Claim
13 words
The fuel cell of claim 4 wherein the array is in corrugated form.
Claim 7
Dependent Claim
19 words
The solid oxide fuel cell of claim 1 wherein said ductile composite electrolyte is employed in a tubular array.
Claim 8
Dependent Claim
35 words
A solid state fuel cell comprising a solid state electrolytic cell wherein the solid electrolyte is a composite comprising an ionically conductive ceramic phase substantially surrounded and supported by a continuous, ordered, ductile metallic array.
Claim 9
Dependent Claim
35 words
A solid state fuel cell comprising a solid state electrolytic cell wherein the solid electrolyte is a composite comprising an ionically conductive ceramic phase substantially surrounded and supported by a continuous, ordered, ductile metallic array.
Claim 10
Dependent Claim
94 words
A solid state electrolytic laminar cell comprising: a center sheet of solid electrolyte composite comprising an ionically conductive ceramic material surrounding and supported by a continuous ordered ductile array of metallic fibers, the sheet having a top surface and a bottom surface; a layer of mixed ionic and electronic conductive material coating each surface of the center sheet; and a thin layer of electronically conductive and gas porous material coating each layer of the mixed conductive material, thereby forming a cathode on the bottom surface thereof and an anode on the top surface thereof.
Claim 11
Dependent Claim
94 words
A solid state electrolytic laminar cell comprising: a center sheet of solid electrolyte composite comprising an ionically conductive ceramic material surrounding and supported by a continuous ordered ductile array of metallic fibers, the sheet having a top surface and a bottom surface; a layer of mixed ionic and electronic conductive material coating each surface of the center sheet; and a thin layer of electronically conductive and gas porous material coating each layer of the mixed conductive material, thereby forming a cathode on the bottom surface thereof and an anode on the top surface thereof.
Claim 12
Dependent Claim
10 words
The cell of claim 1 incorporated into a vehicular unit.
Claim 13
Dependent Claim
11 words
The cell of claim 1 incorporated into a utility power system.
Claim 14
Dependent Claim
11 words
A cell of claim 1 incorporated into a portable power source.
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) | 1994-12-02 | 1995-06-03 | 1995-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-02 | 1999-06-03 | 1999-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-02 | 2003-06-03 | 2003-12-03 | $7700.00 | Window Closed / Lapsed |