US4618543A
Expired / Lapsed
US
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Fused carbonate-type fuel cell
Assignee: Mitsubishi Electric Corp
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Filing: 1985-07-15
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Granted: 1986-10-21
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Expires: 2005-07-15
Abstract
Abstract A fused carbonate-type fuel cell is disclosed in which a reforming catalyst body comprising a catalyst supported on a carrier and secured or held in a porous body is arranged in a fuel gas passage. In this fuel cell, a reaction gas is uniformly contacted with the reforming catalyst, propagation of wetting by the electrolyte is prevented, and decrease in activity of the reforming catalyst can be suppressed to a very low level. Furthermore, this catalyst body can be easily handled.
Inventors
- 👤 Mitsuie Matsumura
- 👤 Motomu Yoshimura
- 👤 Hiroaki Urushibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/14; H01M8/141; H01M8/142; H01M8/06; H01M8/0606; H01M8/0612; H01M8/0625; H01M2008/147; H01M2300/00; H01M2300/0017; H01M2300/0048; H01M2300/0051; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
128 words
A fused carbonate-type fuel cell comprising a fused carbonate electrolyte matrix, a first and second electrodes in contact with the opposite surfaces of the electrolyte matrix, the first electrode being positioned on a fuel gas side and the second electrode being positioned on an oxidizing gas side, a partition plate for supporting the first electrode on the fuel gas side and a supporting plate for supporting the second electrode on the oxidizing gas side, an oxidizing gas passageway adjacent to the supporting plate for supporting the second electrode, and a fuel gas passageway adjacent the supporting plate for supporting the first electrode, which passageway contains a reforming catalyst which comprises catalyst particles supported on a carrier held in a metallic porous body disposed in the fuel gas passageway.
Claim 2
Dependent Claim
128 words
A fused carbonate-type fuel cell comprising a fused carbonate electrolyte matrix, a first and second electrodes in contact with the opposite surfaces of the electrolyte matrix, the first electrode being positioned on a fuel gas side and the second electrode being positioned on an oxidizing gas side, a partition plate for supporting the first electrode on the fuel gas side and a supporting plate for supporting the second electrode on the oxidizing gas side, an oxidizing gas passageway adjacent to the supporting plate for supporting the second electrode, and a fuel gas passageway adjacent the supporting plate for supporting the first electrode, which passageway contains a reforming catalyst which comprises catalyst particles supported on a carrier held in a metallic porous body disposed in the fuel gas passageway.
Claim 3
Dependent Claim
19 words
A fused carbonate type fuel cell according to claim 1, wherein the porous body is a porous metal body.
Claim 4
Dependent Claim
23 words
A fused carbonate type fuel cell according to claim 2, wherein the porous metal body is composed of nickel or a nickel alloy.
Claim 5
Dependent Claim
19 words
A fused carbonate type fuel cell according to claim 2, wherein the porous metal body is a foamed metal.
Claim 6
Dependent Claim
22 words
A fused carbonate type fuel cell according to claim 4, wherein the foamed metal is composed of nickel or a nickel alloy.
Claim 7
Dependent Claim
28 words
The fused carbonate type fuel cell of claim 1, wherein the catalyst is nickel based and the porous metal body is comprised of nickel or a nickel alloy.
Claim 8
Dependent Claim
18 words
The fused carbonate type fuel cell of claim 6, wherein the carrier is an alumina, magnesia based carrier.
Claim 9
Dependent Claim
17 words
The fused carbonate type fuel cell of claim 6 wherein the carrier is comprised of lithium aluminate.
Claim 10
Dependent Claim
23 words
The fused carbonate type fuel cell of claim 1, wherein said metallic porous body is composed of nickel or a nickel base alloy.
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) | 1989-10-20 | 1990-04-21 | 1990-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-20 | 1994-04-21 | 1994-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-20 | 1998-04-21 | 1998-10-21 | $7700.00 | Window Closed / Lapsed |