CN203871425U - Solid oxide fuel cell and cell stack - Google Patents
Solid oxide fuel cell and cell stack Download PDFInfo
- Publication number
- CN203871425U CN203871425U CN201420297925.2U CN201420297925U CN203871425U CN 203871425 U CN203871425 U CN 203871425U CN 201420297925 U CN201420297925 U CN 201420297925U CN 203871425 U CN203871425 U CN 203871425U
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- CN
- China
- Prior art keywords
- oxide fuel
- fuel cell
- solid oxide
- cell
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Fuel Cell (AREA)
Abstract
The utility model relates to a solid oxide fuel cell and a cell stack. The cell is of a concave-convex structure and comprises a positive support layer on the bottom layer, and an activated anode layer, an electrolyte layer, an activated cathode layer and a cathode material layer are arranged on the positive support layer sequentially. The cell stack comprises the solid oxide fuel cell and a connector. By the design of the concave-convex structure of the solid oxide fuel cell, effective reaction area of the single cell can be increased, volume power density of the cell stack is increased, and weight of the cell stack is reduced; a planar connecting plate can directly cover the cell, an airflow passage is formed between the cell of the concave-convex structure and the planar connecting plate, only air holes need to be machined, the airflow passage needs not to be machined specially, the machine tool engraving and milling part high in cost is avoided, materials and machining cost of the connecting plate are saved greatly, and weight of the cell stack is reduced.
Description
Technical field
The utility model relates to a kind of Solid Oxide Fuel Cell and battery pile.
Background technology
Solid Oxide Fuel Cell can be directly changed into electric energy chemical energy, and energy conversion efficiency is high, and environmental pollution is low, possesses skills and economic advantages, has very much commercial viability.
Solid Oxide Fuel Cell of the prior art has tubular type and flat, and wherein the repeat unit structure of flat pile is encapsulant-current-collecting member-battery diaphragm-current-collecting member-encapsulant-connecting plate mode, need on connecting plate, carry out the processing of machinery or chemical classes, so that gas channel to be set, although its technique is ripe, cost is very high.In such repetitive, most space is occupied by gas channel and the current-collecting member of the metal of connecting plate, this part space can not increase the effecting reaction area of battery, and the density of metal is far above pottery, the body power density of this battery, battery pile is low, and connecting plate processing cost is high.
Therefore, need, in a kind of same unit volume of invention design, to reduce connecting plate material and processing cost, alleviate battery pile weight, obtain the Solid Oxide Fuel Cell of larger power output.
Summary of the invention
The purpose of this utility model is low for existing Solid Oxide Fuel Cell body power density, connecting plate material and processing cost are high, the problems such as battery pile weight is large, a kind of Solid Oxide Fuel Cell and battery pile scheme are provided, thereby can effectively address the above problem, further reduce the cost of Solid Oxide Fuel Cell and expand its range of application.
For above-mentioned purpose, the technical scheme that the utility model provides is as follows:
On the one hand, the utility model provides a kind of Solid Oxide Fuel Cell, described battery is concaveconvex structure, described concaveconvex structure comprises into even spaced projection and groove, described battery comprises the positive supporting layer of bottom, is provided with successively active anode layer, dielectric substrate, activated cathode layer and cathode material layer on described positive supporting layer.
The design of the concaveconvex structure of Solid Oxide Fuel Cell of the present utility model both can increase the effecting reaction area of monolithic battery, improved the volumetric power density of battery pile, reduced the weight of battery pile; Can directly the connecting plate of plane be overlayed on this battery again, between the battery of concaveconvex structure and the connecting plate of plane, form gas channel, only just passable with processing pore, need not process specially gas channel, air-flow directly forms via concaveconvex structure on battery, rather than the air drain of the metal of processing on connector of the prior art, need not account for the lathe carving milling processing part that cost is higher, greatly saved the processing cost of connecting plate, further reduce the weight of battery pile, and further expanded its range of application.
On the basis of technique scheme, the utility model can also be done following improvement.
As preferred scheme, the protruding width of described concaveconvex structure is 1～5mm.
As preferred scheme, the 1-5 that the recess width of described concaveconvex structure is ledge width doubly.
As preferred scheme, the thickness of described Solid Oxide Fuel Cell is less than or equal to 1mm, and this thickness refers to the height of solid oxide cell from bottom to convex top.
Adopt above-mentioned preferred scheme, the thickness of connecting plate material can drop to 0.2～0.5mm left and right from 1～5mm, thereby reduces the weight of connecting plate material, and the weight of battery pile can further reduce again.
On the other hand, the utility model also provides a kind of solid-oxide fuel cell stack, described battery pile comprises fuel cell described in the utility model and connector, described connector is plane connector, the end of described connector is provided with a plurality of pores, described pore is corresponding with the groove of described concaveconvex structure, described pore and connector, and the groove of described concaveconvex structure forms gas channel.
Accompanying drawing explanation
Fig. 1 is the structural representation of Solid Oxide Fuel Cell described in the utility model;
In figure, 1 is anode support, and 2 is active anode layer, and 3 is dielectric substrate, and 4 is activated cathode layer, and 5 is cathode material layer, and 6 is projection, and 7 is groove.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, Solid Oxide Fuel Cell described in the utility model, described battery is concaveconvex structure, described concaveconvex structure comprises into even spaced protruding 6 and groove 7, described battery comprises the positive supporting layer 1 of bottom, on described positive supporting layer 1, is provided with successively active anode layer 2, dielectric substrate 3, activated cathode layer 4 and cathode material layer 5.
The width of the projection 6 of described concaveconvex structure is 1～5mm; Groove 7 width of described concaveconvex structure are 1-5 times of protruding 6 width, and the thickness of described Solid Oxide Fuel Cell is less than or equal to 1mm.
In the preparation, the way of employing extrusion molding can obtain having the anode support 1 of concaveconvex structure, then adopt the way of dipping in anode support, to flood successively active anode layer 2, dielectric substrate 3, sintering once obtains half-cell, flood on this basis activated cathode layer 4, cathode material layer 5, obtains being the Solid Oxide Fuel Cell of concaveconvex structure again.
Before use, at the end of plane connecting plate processing pore, described pore is corresponding with the groove of described concaveconvex structure, described pore and connector, and the groove of described concaveconvex structure forms gas channel, during use, by Solid Oxide Fuel Cell described in the utility model, the connecting plate of plane, and encapsulant, current-collecting member is pressed order below: connecting plate-encapsulant-current-collecting member-battery diaphragm-current-collecting member-encapsulant-connecting plate repeatedly stacking just can form solid-oxide fuel cell stack described in the utility model, saved cost, greatly save the processing cost of connecting plate, reduced the weight of battery pile.
For a kind of embodiment of the present invention, be example below, on 100*100mm monocell, Solid Oxide Fuel Cell described in the utility model embodiment, selecting the ratio of groove and protruding width is 1, the height of projection is 0.8mm (height herein refers to the height from groove place horizontal line to convex top), the width of projection is 2mm, and the effective area of electrode can be by original 81cm
2, be increased to 112.68cm
2left and right, effective area has improved 39.11%; And corresponding volumetric power density can rise, the required cell piece number of onesize battery pile reduces, have higher success rate, and the corresponding minimizing of the quantity of connecting plate, and need not process specially pore, material and processing cost reduce greatly.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. a Solid Oxide Fuel Cell, described battery is concaveconvex structure, described concaveconvex structure comprises into even spaced projection and groove, described battery comprises the positive supporting layer of bottom, is provided with successively active anode layer, dielectric substrate, activated cathode layer and cathode material layer on described positive supporting layer.
2. Solid Oxide Fuel Cell according to claim 1, is characterized in that, the protruding width of described concaveconvex structure is 1～5mm.
3. Solid Oxide Fuel Cell according to claim 1, is characterized in that, the recess width of described concaveconvex structure is ledge width 1～5 times.
4. Solid Oxide Fuel Cell according to claim 1, is characterized in that, the thickness≤1mm of described Solid Oxide Fuel Cell.
5. a solid-oxide fuel cell stack, described battery pile comprises the Solid Oxide Fuel Cell described in any one and connector in claim 1 to 4, described connector is plane connector, the end of described connector is provided with a plurality of pores, described pore is corresponding with the groove of described concaveconvex structure, described pore and connector, and the groove of described concaveconvex structure forms gas channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297925.2U CN203871425U (en) | 2014-06-06 | 2014-06-06 | Solid oxide fuel cell and cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297925.2U CN203871425U (en) | 2014-06-06 | 2014-06-06 | Solid oxide fuel cell and cell stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871425U true CN203871425U (en) | 2014-10-08 |
Family
ID=51652350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297925.2U Expired - Fee Related CN203871425U (en) | 2014-06-06 | 2014-06-06 | Solid oxide fuel cell and cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834644A (en) * | 2020-07-24 | 2020-10-27 | 中国核动力研究设计院 | Solid oxide fuel cell connector structure and assembling method thereof |
| CN117317325A (en) * | 2023-11-29 | 2023-12-29 | 北矿新材科技有限公司 | Proton transmission type solid oxide fuel cell unit, battery pack and preparation method |
-
2014
- 2014-06-06 CN CN201420297925.2U patent/CN203871425U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834644A (en) * | 2020-07-24 | 2020-10-27 | 中国核动力研究设计院 | Solid oxide fuel cell connector structure and assembling method thereof |
| CN117317325A (en) * | 2023-11-29 | 2023-12-29 | 北矿新材科技有限公司 | Proton transmission type solid oxide fuel cell unit, battery pack and preparation method |
| CN117317325B (en) * | 2023-11-29 | 2024-02-20 | 北矿新材科技有限公司 | Proton transmission type solid oxide fuel cell unit, battery pack and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150606 |
|
| EXPY | Termination of patent right or utility model |