CN107978771B - Heat pipe type solid oxide fuel cell with high heat integration - Google Patents
Heat pipe type solid oxide fuel cell with high heat integration Download PDFInfo
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- CN107978771B CN107978771B CN201711229467.3A CN201711229467A CN107978771B CN 107978771 B CN107978771 B CN 107978771B CN 201711229467 A CN201711229467 A CN 201711229467A CN 107978771 B CN107978771 B CN 107978771B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0232—Metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/1231—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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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
Abstract
The present invention relates to a fuel cell. The fuel cell includes: a core, the core being a solid oxide fuel cell core comprising an anode layer, a cathode layer, and an electrolyte; a metal element disposed on an outer surface of the core; a heat conducting element disposed on an outer surface of the metal element; wherein the anode layer is contiguous with the metal element. The fuel cell can avoid the occurrence of local high temperature of the fuel cell as much as possible, reduce the temperature gradient in time, realize good temperature uniformity and prolong the service life of the fuel cell.
Description
Technical Field
The present invention relates to the field of fuel cells, in particular, the present invention relates to fuel cells and applications thereof, and more particularly, the present invention relates to fuel cells and power generation equipment.
Background
The Solid Oxide Fuel Cell (SOFC) is a clean and efficient power generation device, can directly convert chemical energy of fuel into electric energy at high temperature (600-1000 ℃), and has great application prospects in small power generation equipment, portable mobile power supplies and distributed combined heat and power systems.
However, solid oxide fuel cells with better properties are still in need of further improvement.
Disclosure of Invention
The present application is based on the discovery and recognition by the inventors of the following facts and problems:
in the working process of a Solid Oxide Fuel Cell (SOFC), due to local violent reaction or other factors, the problem of temperature gradient or local high temperature is easy to occur, the problem of thermal stress is easy to be brought to the interior of the fuel cell due to the existence of long-time temperature gradient, and the phenomena of sintering of a local area electrode porous structure, melting of a current collector and the like can also be caused due to the local high temperature. At present, in practical application, excessive air is introduced into the cathode to prevent the problems, but the introduction of the excessive air means that a larger fan is needed, and larger energy consumption is brought; for scholars, the problem is solved by improving the materials of the fuel cell. Based on the above-mentioned findings, the inventors have conducted extensive studies to improve the structure of the fuel cell from the viewpoint of thermal engineering, and developed a solid oxide fuel cell having a novel structure. The inventor surprisingly finds that the fuel cell can reduce the internal thermal stress and the failure probability of the SOFC, thereby avoiding the occurrence of local high temperature of the cell as much as possible, reducing the temperature gradient in time, realizing good temperature uniformity and prolonging the service life of the fuel cell.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
In a first aspect of the invention, a fuel cell is presented. According to an embodiment of the present invention, the fuel cell includes: a core, the core being a solid oxide fuel cell core comprising an anode layer, a cathode layer, and an electrolyte; a metal element disposed on an outer surface of the core; a heat conducting element disposed on an outer surface of the metal element; wherein the anode layer is contiguous with the metal element. According to the fuel cell provided by the embodiment of the invention, the occurrence of local high temperature of the cell can be avoided as much as possible, the temperature gradient is reduced in time, good temperature uniformity is realized, and the service life of the cell is prolonged.
According to an embodiment of the present invention, the fuel cell may further include at least one of the following additional features:
according to an embodiment of the invention, the metal element is a metal foam. The inventor finds that the solid oxide fuel cell core and the heat conducting element are integrated into a whole by the foamed metal, so that large-scale groups can be conveniently formed, the structure is simple, high-temperature sealing is not needed, the testing and assembling are convenient, meanwhile, the foamed metal also plays a role in anode current collection on one hand, and on the other hand, the porosity of the foamed metal is high, and an anode flow channel is provided for the fuel cell by gaps of the foamed metal, so that the cell can avoid local high temperature of the cell as much as possible, timely reduce the temperature gradient, realize good temperature uniformity and prolong the service life of the cell.
According to an embodiment of the invention, the metal foam comprises at least one selected from the group consisting of nickel foam, copper foam, and foam alloys. The inventor finds that the anode current collecting effect of the foam metal is better, the porosity of the foam metal is higher, and the anode flow channel provided for the fuel cell by the gap of the foam metal is wider, so that the fuel cell can further avoid the occurrence of local high temperature of the cell, timely reduce the temperature gradient, make the cell temperature more uniform, and prolong the service life of the cell.
According to an embodiment of the invention, the heat conducting element is tubular, the heat conducting element comprising: a housing defining a receiving space of a heat transfer medium therein; a heat transfer medium disposed in the accommodating space; the liquid absorption core is arranged on the inner side wall of the shell. The inventor finds that the heat conducting element can rapidly conduct a large amount of redundant heat in a high-temperature area of the battery to a low-temperature area, so that the battery can avoid local high temperature of the battery as much as possible, timely reduce temperature gradient, realize good temperature uniformity and prolong the service life of the battery.
According to an embodiment of the invention, the heat conducting medium is a liquid metal. The inventor finds that the liquid metal has higher heat transfer performance, and a large amount of redundant heat in a high-temperature region of the battery can be quickly transferred to a low-temperature region by using the latent heat of vaporization of the liquid metal, so that the battery can further avoid the occurrence of local high temperature of the battery, timely reduce the temperature gradient, make the temperature of the battery more uniform, and prolong the service life of the battery.
According to an embodiment of the invention, the liquid metal comprises at least one selected from liquid sodium, liquid potassium, liquid alloys. It should be noted that, the selection of the liquid metal according to the embodiment of the present invention is not limited as long as the liquid metal can generate phase change within the operating temperature range of the solid oxide fuel cell core, and has high thermal conductivity, high latent heat of vaporization, high density, low viscosity, and high surface tension, and further, the latent heat of vaporization of the liquid metal can be utilized to rapidly conduct a large amount of redundant heat in the high temperature region of the cell to the low temperature region, so that the cell can avoid the occurrence of local high temperature of the cell as much as possible, reduce the temperature gradient in time, and achieve good temperature uniformity within the selection range.
According to an embodiment of the invention, the solid oxide fuel cell comprises: an anode layer comprising an anode; the cathode layer comprises a cathode, a cathode net and a cathode air inlet pipe, the cathode net is arranged on the outer surface of the cathode, and the cathode air inlet pipe is arranged on the outer surface of the cathode net; an electrolyte disposed between the anode layer and the cathode layer. The inventor finds that the cathode mesh can play a role in cathode current collection, the solid oxide fuel cell core can be connected with the cathode air inlet pipe, the cathode air inlet pipe can achieve the functions of preheating cathode air and cathode current collection at the same time, a heat source is fully utilized, and then the cathode cell reaction effect is good.
According to an embodiment of the invention, the cathode mesh comprises at least one selected from the group consisting of a cathode silver mesh, a cathode platinum mesh. The inventor finds that the cathode net has better current collecting effect, and further can enable the battery reaction effect of the cathode to be better.
According to an embodiment of the invention, the cathode inlet tube is a stainless steel tubular element. The inventors have found that the cathode inlet pipe can support the cathode while passing cathode air through the stainless steel tubular member, and then pre-heat and flow the cathode air in a forward direction, thereby improving the cell reaction of the cathode.
According to an embodiment of the present invention, the solid oxide fuel cell core has a flat plate shape, a through tube shape, or a blind tube shape. It should be noted that, the shape or category of the solid oxide fuel cell according to the embodiment of the present invention is not limited, as long as the cell composed of the solid oxide fuel cell, the metal element and the heat conducting element can avoid the occurrence of local high temperature of the cell, timely reduce the temperature gradient, and achieve good temperature uniformity, all within a selection range. When the solid oxide fuel cell core is in a blind tubular shape, sealing is not needed, and testing and assembling are facilitated.
In a second aspect of the invention, a power generation apparatus is presented. According to an embodiment of the invention, the power generation apparatus comprises: an equipment housing; and the fuel cell of any one of the above first aspects, the cell being disposed in the device case. According to the fuel cell of the power generation equipment disclosed by the embodiment of the invention, the occurrence of local high temperature of the cell can be avoided, the temperature gradient can be reduced in time, the good temperature uniformity is realized, and the service life of the cell is prolonged.
Drawings
FIG. 1 is a schematic structural view of a fuel cell according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a thermally conductive member according to an embodiment of the present invention; and
fig. 3 is a schematic structural view of a solid oxide fuel cell according to an embodiment of the present invention.
Reference numerals:
1-cathode inlet pipe
2-cathode mesh
3-solid oxide fuel cell core
4-foamed metal
5-Heat conducting element
6-cathode lead
7-anode wire
8-liquid Metal
9-liquid absorption core
10-housing
11-cathode
12-electrolyte
13-Anode
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Fuel cell
In a first aspect of the invention, a fuel cell is presented. According to an embodiment of the present invention, the fuel cell includes: a core, the core being a solid oxide fuel cell core comprising an anode layer, a cathode layer, and an electrolyte; a metal element disposed on an outer surface of the core; a heat conducting element disposed on an outer surface of the metal element; wherein the anode layer is contiguous with the metal element. According to the fuel cell provided by the embodiment of the invention, the occurrence of local high temperature of the fuel cell can be avoided as much as possible, the temperature gradient is reduced in time, good temperature uniformity is realized, and the service life of the fuel cell is prolonged.
Referring to fig. 1, the metal element is a metal foam according to an embodiment of the present invention. The inventor finds that the foam metal 4 integrates the solid oxide fuel cell core 3 and the heat conducting element 5 into a whole, so that the solid oxide fuel cell core can be conveniently formed into a large-scale group, the structure is simple, high-temperature sealing is not needed, the testing and the assembling are convenient, meanwhile, the foam metal also plays a role in anode current collection and is connected to an anode lead 7 and an external circuit, on the other hand, the porosity of the foam metal is high, gaps of the foam metal provide anode flow channels for the fuel cell, and further, the cell can avoid the occurrence of local high temperature of the cell as much as possible, timely reduce the temperature gradient, realize good temperature uniformity and prolong the service life of the fuel cell. Wherein, the anode fuel is catalyzed by the foam metal and further diffused into the anode 13, and electrochemical reaction is generated at the three-phase interface.
According to an embodiment of the invention, the metal foam comprises at least one selected from the group consisting of nickel foam, copper foam, and foam alloys. The inventor finds that the anode current collecting effect of the foam metal is better, the porosity of the foam metal is higher, and the anode flow channel provided for the fuel cell by the gap of the foam metal is wider, so that the cell can further avoid the occurrence of local high temperature of the cell, timely reduce the temperature gradient, make the cell temperature more uniform, and prolong the service life of the cell.
Referring to fig. 2, according to an embodiment of the present invention, the heat conducting element is tubular, and the heat conducting element includes: the heat conduction device comprises a shell 10, wherein the inside of the shell 10 is vacuumized, and a containing space of a heat conduction medium is defined in the shell 10; a heat transfer medium disposed in the accommodating space; and the liquid absorbing core 9 is arranged on the inner side wall of the shell body, and the liquid absorbing core 9 is arranged on the inner side wall of the shell body. The inventor finds that the quick heat transfer characteristic of the heat conducting element can quickly conduct a large amount of redundant heat in a high-temperature area of the battery to a low-temperature area, so that the battery can avoid local high temperature of the battery as far as possible, timely reduce temperature gradient, realize good temperature uniformity and prolong the service life of the battery.
Referring to fig. 2, according to an embodiment of the present invention, the heat transfer medium is a liquid metal 8. The inventor finds that the liquid metal 8 has high heat transfer performance, and a large amount of redundant heat in a high-temperature region of the battery can be quickly transferred to a low-temperature region by using the latent heat of vaporization of the liquid metal, so that the battery can further avoid the occurrence of local high temperature of the battery, timely reduce the temperature gradient, make the temperature of the battery more uniform, and prolong the service life of the battery. The high-temperature heat pipe can be divided into an evaporation section, a heat insulation section and a condensation section according to the phase change condition of the liquid metal. After heat is transmitted to a liquid-vapor separation interface from a heat source through the inner pipe wall of the shell 10 of the heat conducting element and the wick 9, liquid metal is evaporated on the interface, evaporated vapor is rapidly transmitted to a condensation section under the pushing of saturated vapor pressure and is condensed on the gas-liquid interface of the condensation section, and heat is transmitted to a cold source through the inner pipe wall of the shell 10 of the wick 9 and the heat conducting element, so that the rapid heat transmission process is completed. The liquid metal condensed at the condensation section flows back to the evaporation section under the capillary action of the liquid absorption core to carry out the next heat transfer process.
According to an embodiment of the invention, the liquid metal comprises at least one selected from liquid sodium, liquid potassium, liquid alloys. It should be noted that, the selection of the liquid metal according to the embodiment of the present invention is not limited as long as the liquid metal can generate phase change within the operating temperature range of the solid oxide fuel cell core, and has high thermal conductivity, high latent heat of vaporization, high density, low viscosity, and high surface tension, and further, the latent heat of vaporization of the liquid metal can be utilized to rapidly transfer a large amount of redundant heat in the high temperature region of the fuel cell to the low temperature region, so that the occurrence of local high temperature of the fuel cell is avoided as much as possible, the temperature gradient is timely reduced, and good temperature uniformity is achieved within the selection range.
Referring to fig. 1 and 3, according to an embodiment of the present invention, the solid oxide fuel cell includes: an anode layer comprising an anode 13; the cathode layer comprises a cathode 11, a cathode net 2 and a cathode air inlet pipe 1, wherein the cathode net 2 is arranged on the outer surface of the cathode 11, and the cathode air inlet pipe 1 is arranged on the outer surface of the cathode net 2; an electrolyte 12 disposed between the anode layer and the cathode layer. The inventor finds that the cathode mesh 2 can play a role in cathode current collection, and meanwhile, the solid oxide fuel cell core can be connected with the cathode air inlet pipe, the cathode air inlet pipe can achieve the functions of preheating cathode air and cathode current collection at the same time, a heat source is fully utilized, and further the cathode reaction effect of the fuel cell is good. The cathode in the solid oxide fuel cell core is subjected to current collection and conduction to a cathode air inlet pipe 1 through a cathode mesh 2, the cathode air inlet pipe 1 is connected to a cathode lead 6 to be led out, and the cathode lead 6 is connected with an external circuit. The cathode gas passes through the cathode gas inlet pipe 1, flows through the cathode mesh 2, and then is diffused to the cathode 11 of the solid oxide fuel cell core, and the cathode gas inlet pipe 1 simultaneously preheats the cathode inlet air.
According to an embodiment of the invention, the cathode mesh comprises at least one selected from the group consisting of a cathode silver mesh, a cathode platinum mesh. The inventor finds that the cathode net has better current collecting effect, and further can enable the battery reaction effect of the cathode to be better.
According to an embodiment of the invention, the cathode inlet tube is a stainless steel tubular element. The inventors have found that the cathode inlet pipe can support the cathode while passing cathode air through the stainless steel tubular member, and then pre-heat and flow the cathode air in a forward direction, thereby improving the cell reaction of the cathode.
According to an embodiment of the present invention, the solid oxide fuel cell core has a flat plate shape, a through tube shape, or a blind tube shape. It should be noted that, the shape or category of the solid oxide fuel cell according to the embodiment of the present invention is not limited, as long as the cell composed of the solid oxide fuel cell, the metal element and the heat conducting element can avoid the occurrence of local high temperature of the cell, timely reduce the temperature gradient, and achieve good temperature uniformity, all within a selection range. When the solid oxide fuel cell core is in a blind tubular shape, sealing is not needed, and testing and assembling are facilitated.
Power generation equipment
In yet another aspect of the present invention, a power generation apparatus is presented. According to an embodiment of the present invention, the power generation apparatus includes: an equipment housing; and the fuel cell of any one of the above first aspects, the cell being disposed in the device case. According to the fuel cell of the power generation equipment disclosed by the embodiment of the invention, the occurrence of local high temperature of the cell can be avoided, the temperature gradient can be reduced in time, the good temperature uniformity is realized, and the service life of the cell is prolonged.
Examples
The inventors tested the temperature distribution and electrochemical performance of a highly thermally coupled heat pipe type solid oxide fuel cell in the new configuration. Experimental results show that under the same size scale and experimental condition, the axial temperature gradient of the novel tubular solid oxide fuel cell can be reduced to 1/3 of the original axial temperature gradient, the internal thermal stress of the fuel cell can be reduced by one order of magnitude, meanwhile, the local highest temperature is greatly reduced, the adverse effect caused by the local high temperature is reduced, and the service life is further prolonged. The electrochemical performance test result shows that under the stable working condition, the power of the single-tube fuel cell can be increased from the original 1.08W to 1.78W, the performance of the fuel cell is obviously improved, and the power generation efficiency is increased.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (2)
1. A fuel cell, comprising:
a core body, wherein the core body is a solid oxide fuel cell core, the solid oxide fuel cell core is in a blind tubular shape, the solid oxide fuel cell core comprises an anode layer, a cathode layer and an electrolyte,
a metal element disposed on an outer surface of the core, the metal element being a metal foam including at least one selected from nickel foam, copper foam, and alloy foam,
a heat conducting element disposed on an outer surface of the metal element,
wherein the anode layer is contiguous with the metal element;
the solid oxide fuel cell core includes:
an anode layer, the anode layer comprising an anode,
a cathode layer, wherein the cathode layer comprises a cathode, a cathode mesh and a cathode air inlet pipe, the cathode mesh is arranged on the outer surface of the cathode, the cathode air inlet pipe is arranged on the outer surface of the cathode mesh, the cathode mesh comprises at least one of a cathode silver mesh and a cathode platinum mesh, the cathode air inlet pipe is a stainless steel tubular element,
an electrolyte disposed between the anode layer and the cathode layer;
the heat conducting element is tubular, the heat conducting element comprising:
a housing defining a receiving space of a heat transfer medium therein,
a heat transfer medium disposed in the accommodating space, the heat transfer medium being a liquid metal, the liquid metal including at least one selected from liquid sodium, liquid potassium, and liquid alloy,
the liquid absorbing core is arranged on the inner side wall of the shell.
2. A power generation apparatus, comprising:
an equipment housing; and
the fuel cell of claim 1, disposed in the device housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711229467.3A CN107978771B (en) | 2017-11-29 | 2017-11-29 | Heat pipe type solid oxide fuel cell with high heat integration |
| PCT/CN2018/113432 WO2019105174A1 (en) | 2017-11-29 | 2018-11-01 | Highly thermally-integrated heat pipe type solid oxide fuel cell configuration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711229467.3A CN107978771B (en) | 2017-11-29 | 2017-11-29 | Heat pipe type solid oxide fuel cell with high heat integration |
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| CN107978771B true CN107978771B (en) | 2020-06-02 |
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| CN107978771B (en) * | 2017-11-29 | 2020-06-02 | 清华大学 | Heat pipe type solid oxide fuel cell with high heat integration |
| CN114744242B (en) * | 2022-05-16 | 2024-02-23 | 清华大学 | Liquid metal heat exchange device and solid oxide fuel cell stack |
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| JP2009224143A (en) * | 2008-03-14 | 2009-10-01 | Hitachi Ltd | Solid oxide fuel cell |
| EP2360769A1 (en) * | 2009-11-02 | 2011-08-24 | CLIMT Energiesysteme GmbH | Temperature regulation of fuel cell systems |
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| US20060127723A1 (en) * | 2004-12-15 | 2006-06-15 | General Electric Company | Near-isothermal high-temperature fuel cell |
| KR100645594B1 (en) * | 2006-07-12 | 2006-11-15 | 한국에너지기술연구원 | A cell or stack for testing performance of fuel cells and a method of testing the same |
| CN103715441B (en) * | 2013-12-18 | 2016-05-04 | 吉林建筑大学 | Based on the Proton Exchange Membrane Fuel Cells thermal management algorithm of array heat pipe phase-change heat transfer |
| CN106784921B (en) * | 2016-12-06 | 2019-06-25 | 东北大学 | A kind of direct methanol fuel cell and battery pack |
| CN107978771B (en) * | 2017-11-29 | 2020-06-02 | 清华大学 | Heat pipe type solid oxide fuel cell with high heat integration |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009224143A (en) * | 2008-03-14 | 2009-10-01 | Hitachi Ltd | Solid oxide fuel cell |
| EP2360769A1 (en) * | 2009-11-02 | 2011-08-24 | CLIMT Energiesysteme GmbH | Temperature regulation of fuel cell systems |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019105174A1 (en) | 2019-06-06 |
| CN107978771A (en) | 2018-05-01 |
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