CN202585636U - Solid oxide fuel battery with good heat-insulation and corrosion-resistant performances - Google Patents
Solid oxide fuel battery with good heat-insulation and corrosion-resistant performances Download PDFInfo
- Publication number
- CN202585636U CN202585636U CN2012201221281U CN201220122128U CN202585636U CN 202585636 U CN202585636 U CN 202585636U CN 2012201221281 U CN2012201221281 U CN 2012201221281U CN 201220122128 U CN201220122128 U CN 201220122128U CN 202585636 U CN202585636 U CN 202585636U
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- Prior art keywords
- insulation
- corrosion
- solid oxide
- oxide fuel
- fuel battery
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- 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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Abstract
The utility model discloses a solid oxide fuel battery with good heat-insulation and corrosion-resistant performances. The solid oxide fuel battery with good heat-insulation and corrosion-resistant performances comprises a multi-hole negative pole, a multi-hole positive pole, a conductive electrolyte layer arranged between the two poles, a connection body and an external heat-insulation layer, wherein the connection body connects the negative pole and the positive pole of two adjacent single batteries, and an inner-wall coating layer of the heat-insulation layer is made of ceramic composite materials with strengthened basalt fibers. The solid oxide fuel battery with good heat-insulation and corrosion-resistant performances is capable of overcoming the defects that existing ceramic materials are low in toughness, high in brittleness, prone to crack, prone to crack and fall broken bits when used for a long time and the like, and has the functions of crack resistance, toughness-improvement and strengthening.
Description
Technical field
The utility model relates to field of solid oxide fuel, particularly relates to the SOFC that a kind of external skin uses the ceramic composite of basalt fibre enhancing.
Background technology
SOFC (SOFC) is higher because of its energy conversion efficiency high (50% ~ 65%), battery system reliability, have advantages such as stronger tolerance and environmental protection more and more to be favored by people to fuel impurity.SOFC generally is operation under 600 ~ 1000 ℃ environment, and this hot conditions is very harsh to the requirement of material property, like high temperature resistance erosion, decay resistance, performance of resisting cracking etc.At present; The inboard coating of the insulator of SOFC system generally adopts the metal/ceramic material, and resistance to elevated temperatures is good, under air or other atmosphere, all can keep good performance; Heat-proof quality is good; And under hot conditions, do not have the impurity volatilization, a pure environment can be provided, can contaminated electrode and electrolyte.
But, the shortcoming that ceramic material ubiquity toughness is low, fragility is big, easy to crack, that long-term use can occur is cracked, fall phenomenon such as slag.
The utility model content
The technical problem that the utility model mainly solves provides a kind of heat insulation decay resistance SOFC preferably; Can solve that the toughness that existing ceramic material exists is low, fragility is big, breaking appears in easy to crack and long-term use, fall shortcoming such as slag, have resistance to split the effect that cracking resistance can toughness reinforcing enhancing.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of heat insulation decay resistance SOFC preferably is provided; Comprise: the electrode of two porous of yin, yang, conducting electrolyte layer, connector and the outer insulative layer between two electrodes; Said connector connects the anode and cathode of adjacent two monocells, the ceramic composite that said thermal insulation layer inside coating adopts basalt fibre to strengthen.
In preferred embodiment of the utility model, said continuous basalt fiber is the short basalt fibre of cutting.
In preferred embodiment of the utility model, offer the air guide groove on the said connector.
The beneficial effect of the utility model is: the ceramic composite that the utility model thermal insulation layer inside coating adopts basalt fibre to strengthen; Manufacturing is applicable to the heat insulation corrosion-resistant finishes material of SOFC; Solve that the toughness that existing ceramic material exists is low, fragility is big, breaking appears in easy to crack and long-term use, fall shortcoming such as slag, have resistance to split the effect that cracking resistance can toughness reinforcing enhancing.
Description of drawings
Fig. 1 is the structural representation of the heat insulation decay resistance of the utility model SOFC one preferred embodiment preferably;
The mark of each parts is following in the accompanying drawing: 1, anode, 2, dielectric substrate, 3, negative electrode, 4, connector, 41, the air guide groove, 5, outer wall, 51, the outer wall thermal insulation layer.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the utility model is set forth in detail, thereby the protection range of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1; The utility model embodiment comprises: the electrode of two porous of yin, yang, the conducting electrolyte layer 3 between two electrodes, connector 4 and outer insulative layer 51; Connector 4 connects the anode and cathode of adjacent two monocells, the ceramic composite that thermal insulation layer 51 inside coatings adopt basalt fibre to strengthen.
Further, weight proportion ceramic and basalt fiber material is in the ceramic composite that basalt fibre strengthens: 1:0 ~ 1.
Further, continuous basalt fiber is the short basalt fibre of cutting.
Further, offer air guide groove 41 on the connector, make fuel gas fully contact, react completely with electrode.
Be different from prior art; The utility model is with continuous basalt fiber (CBF) and Ceramic Composite; Manufacturing is applicable to the heat insulation corrosion-resistant finishes material of SOFC; Advantage such as utilize the mechanical property of CBF good, resistance to elevated temperatures is good can solve that the toughness that existing ceramic material exists is low, fragility is big, breaking appears in easy to crack and long-term use, fall shortcoming such as slag, has resistance to split the effect that cracking resistance can toughness reinforcing enhancing.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (3)
1. heat insulation decay resistance SOFC preferably; Comprise: the electrode of two porous of yin, yang, conducting electrolyte layer, connector and the outer insulative layer between two electrodes; Said connector connects the anode and cathode of adjacent two monocells; It is characterized in that the ceramic composite that said thermal insulation layer inside coating adopts basalt fibre to strengthen.
2. heat insulation decay resistance according to claim 1 is SOFC preferably, it is characterized in that, said continuous basalt fiber is the short basalt fibre of cutting.
3. heat insulation decay resistance according to claim 1 is SOFC preferably, it is characterized in that, offers the air guide groove on the said connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201221281U CN202585636U (en) | 2012-03-28 | 2012-03-28 | Solid oxide fuel battery with good heat-insulation and corrosion-resistant performances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201221281U CN202585636U (en) | 2012-03-28 | 2012-03-28 | Solid oxide fuel battery with good heat-insulation and corrosion-resistant performances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585636U true CN202585636U (en) | 2012-12-05 |
Family
ID=47255014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201221281U Expired - Fee Related CN202585636U (en) | 2012-03-28 | 2012-03-28 | Solid oxide fuel battery with good heat-insulation and corrosion-resistant performances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585636U (en) |
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2012
- 2012-03-28 CN CN2012201221281U patent/CN202585636U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140328 |