CN104218252A - Flat plate type solid oxide fuel battery stack device - Google Patents
Flat plate type solid oxide fuel battery stack device Download PDFInfo
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- CN104218252A CN104218252A CN201410449780.8A CN201410449780A CN104218252A CN 104218252 A CN104218252 A CN 104218252A CN 201410449780 A CN201410449780 A CN 201410449780A CN 104218252 A CN104218252 A CN 104218252A
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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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
- H01M8/2485—Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a flat plate type solid oxide fuel battery stack device. The flat plate type solid oxide fuel battery stack device comprises bases, single batteries, a single battery frame, a sealing piece, a connector, fuel pipelines and air pipelines, wherein the connector is provided with a battery coverage area and a heat exchange area, and the gas in the fuel pipelines and the air pipelines passes through a main air-intake pipeline, an air-intake collecting pipeline, an air-intake flow allocation pipeline, an exhaust collecting pipeline, an exhaust flow allocation pipeline and a main exhaust pipeline in sequence. The flat plate type solid oxide fuel battery stack device is in favor of the heat exchange between cold fluid and hot fluid and capable of reducing the temperature at a hot fluid outlet end, and the sealing piece is far away from the high temperature area, thereby improving the air tightness of fuel battery stacks and prolonging the service life of the sealing piece.
Description
Technical field
The present invention relates to Solid Oxide Fuel Cell, be specifically related to flat solid oxide fuel cell pile device.
Background technology
Thermal power generation process is complicated (be first transformed into heat energy the chemical energy of fuel, and then change heat energy into mechanical energy, finally by mechanical energy, change electric energy into) not only, and in thermal power generation process, produce a large amount of dust, carbon dioxide, SO
2, NO
xetc. harmful substance, severe contamination mankind's environment of depending on for existence.Different from thermal power generation principle, fuel cell directly changes the chemical energy of fuel into electric energy, so the efficiency of fuel cell is more much higher than the efficiency of thermal power generation.Fuel cell as after water power, thermoelectricity, nuclear power the 4th generation new-generation technology, obtained the attention of countries in the world.
Compare with the fuel cell of other type, Solid Oxide Fuel Cell has outstanding advantage.The main advantage of Solid Oxide Fuel Cell is: (1) Solid Oxide Fuel Cell each several part is all solid-state, corrosion and the losing issue of therefore having avoided liquid electrolyte to cause; (2) Solid Oxide Fuel Cell fuel-flexible, not only can be used hydrogen for fuel, and can directly use hydrocarbon for fuel, such as: coal gas, liquefied petroleum gas, biogas, natural gas, methyl alcohol etc.; (3) high working temperature makes Solid Oxide Fuel Cell not need expensive catalyst, and has improved the patience of catalyst to foreign gas.(4) high-temperature residual heat that Solid Oxide Fuel Cell is got rid of can be for cogeneration system, and energy utilization efficiency is up to more than 70%.Exactly because above advantage, later stage nineteen nineties in the world developed country generally dropped into a substantial contribution research Solid Oxide Fuel Cell correlation technique difficult problem.
Solid Oxide Fuel Cell monocell, by anode, negative electrode, electrolyte ingredient, forms the member of similar " three-ply board ".The principle of the operation principle of Solid Oxide Fuel Cell and chemical cell such as Ni-H cell, lithium ion battery, lead-acid battery etc. is essentially different.Chemical cell is that an energy storage device needs first energy storage and then electric discharge, and fuel cell is Blast Furnace Top Gas Recovery Turbine Unit (TRT), as long as fuel is constantly supplied with, just can constantly export electric energy.The operation principle of Solid Oxide Fuel Cell is very simple, in the position of negative electrode triple line, oxidant gas is reduced to oxonium ion, oxonium ion arrives anode triple line by electrolyte and is combined ejected electron with fuel gas, electronics flows through load output electric energy by external circuit and arrives negative electrode, in the position of negative electrode triple line, be combined with oxidant gas and generate oxonium ion, the constantly utilizable electric energy of output so moves in circles.
Two kinds of designs the most basic of Solid Oxide Fuel Cell are at present flat solid oxide fuel cell and tubular solid oxide fuel cell.Tubular solid oxide fuel cell is a kind of Solid Oxide Fuel Cell configuration that develops at present comparative maturity, for example the tube designs of western room-Siemens Company (patent No.: BP0055011 and BP0055016).Tubular solid oxide fuel cell monocell is an earthenware that end opening one end sealing, tube wall consist of three-layer thin-film, and the diameter of pipe is greatly about 20mm left and right, about the about 1～2m of length.The tubular solid oxide fuel cell air of cathode support is from managing interior inflow, and fuel is supplied with by tube outer wall.By connector, monocell can be formed to battery pile in mode in parallel and series connection.The major advantage of tubular solid oxide fuel cell is not need sealing, simple, the anti-stress ability of battery assembling strong.Shortcoming is that current path is long, power density is low, cost is high, and this has seriously restricted its business-like development.
Along with the development of thin film technique, flat solid oxide fuel cell is simple by means of its making, cost is low, current path is short, power density advantages of higher becomes Developing mainstream gradually.Flat solid oxide fuel cell monocell is mainly comprised of anode and the negative electrode three layer flat plate formula film of electrolyte and both sides thereof.Therefore the output voltage of Solid Oxide Fuel Cell monocell is generally less than 1V, must utilize connector that a plurality of monocells are assembled into pile in the mode of parallel connection, series connection or series-parallel connection in order to obtain enough voltage and power output to reach practical requirement.
Flat solid oxide fuel cell battery pile is mainly by monocell, monocell framework, encapsulant with connector is stacking forms.The both sides of connector have a lot of grooves to be referred to as air flue, and we are referred to as rib the spine between air flue.Fuel provides enough fuel by the air flue between connector and anode for electrochemical reaction, and air provides enough oxygen by the air flue between connector and negative electrode for electrochemical reaction.Rib is the electric current producing for collecting electrochemical reaction.The surrounding that encapsulant is mainly positioned at monocell provides enough air-tightness, guarantees the isolation of fuel and air, prevents the leakage of fuel and air, significant for the open circuit voltage that improves battery.
As everyone knows, in the Solid Oxide Fuel Cell course of work because electrochemical reaction, ohm heat, the heat of activation etc. are emitted a large amount of heats, thereby the temperature that has improved gas and piled parts.Temperature and the temperature gradient distribution of heap parts have important influence to the decay of the battery performance of battery pile, battery life and performance thereof.
The gas method of supplying of Solid Oxide Fuel Cell mainly by and three kinds of stream, adverse current and cross-currents.And stream refers to that the flow direction of fuel is identical with flowing to of air; Adverse current is that the flow direction of fuel is contrary with the flow direction of air; Cross-current is that flowing to of the flow direction of fuel and air is perpendicular.US Patent No. 6824910, US4476197 provide and the flat solid oxide fuel cell of stream designs.US Patent No. 6824910, US20070207363A1, US20090004545A1 provide and the flat solid oxide fuel cell of stream and adverse current designs.Chinese patent " a kind of flat intermediate temperature solid oxide fuel cell heap " (patent No.: what CN02115884.3) adopt is the flat solid oxide fuel cell design of cross-current.
Woods are respected group, and (woods are respected, Gu Ye, the steady-state simulation [J] of Zhang Xiaohua .YSZ intermediate temperature fuel cell. electrochemistry, 2002,8 (4) .) utilize the distribution of the two-dimensional flat plate formula Solid Oxide Fuel Cell Study on Mathematic Model of oneself writing stream, adverse current and cross-current design battery temperature.Result shows that temperature raises gradually along the direction of air stream for also flowing and counter-flow designs, no matter and find which kind of design temperature maximum is all in air outlet slit end.This must cause the ability of thermal stress resistance of the encapsulant of air outlet slit end to decline, because experiment shows the anti-stress ability of encapsulant, along with the rising of temperature, obviously declines.Larger thermal stress probably causes the encapsulant cracking of air outlet slit end.The serious consequence of encapsulant cracking is that fuel and the biochemical reaction of air hybrid concurrency discharge a large amount of heats, must cause the overheated decay that causes the aging battery performance of material of local, and threat personal safety even sets off an explosion.Therefore need to improve design to reach seal away from the high-temperature region object in battery pile, prevent the leakage of fuel and air.
Compare with the fuel cell of other type, one of main advantage of Solid Oxide Fuel Cell is fuel-flexible, not only can use hydrogen for fuel, and can directly use hydrocarbon for fuel, such as: coal gas, liquefied petroleum gas, biogas, natural gas, methyl alcohol etc.Lot of documents report (International journal of hydrogen energy 34 (2009) 410 – 421, Chemical Engineering Science 59 (2004) 87 – 97, JOURNAL OF ENGINEERING FOR THERMAL ENERGY AND POWER Vol.23, No.3May, 2008) reforming reaction in Solid Oxide Fuel Cell absorbs a large amount of heats cause producing significant local overcooling district near fuel inlet.This may cause producing larger thermal stress, thus cause electrolytically break, near the inefficacy (this local overcooling district is mainly distributed in fuel inlet) of seal, the decay of battery performance.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art, provide a kind of and can eliminate endothermic reforming reaction effect, also can make full use of the seal of waste gas residual heat heating entrance cold fluid away from the flat solid oxide fuel cell pile device of battery pile high-temperature region.
Technical scheme: a kind of flat solid oxide fuel cell pile device of the present invention, base, base seal part, base plate and top board are installed from bottom to top successively, between top board and base plate, be provided with some groups and be the folded battery pile group of arranging of upper and lower structure sheaf, each battery pile group has stacked gradually seal, monocell framework, seal and connector from the top down, and monocell framework is provided with monocell, four edges of described base, base seal part, base plate, connector, monocell framework and seal all offer two holes, and because base, base seal part, base plate, connector, monocell framework and seal stacked on top of one another are arranged, eight holes of every one deck all upper and lower correspondence are formed through the pipeline of eight up/down perforations, in adjacent two passages of same edge, one is main admission line, and another is main exhaust pipeline, the centre position of described connector is provided with the battery area of coverage, and four side outer rims of the battery area of coverage are respectively equipped with a heat exchange zone, and heat exchange zone comprises the runner that two rows are parallel, and the runner in outside is hot fluid runner, and the runner of inner side is cold fluid runner, the two ends of described hot fluid runner and cold fluid runner all offer pore, and base, base seal part, base plate, connector, monocell framework and the pore and then 16 pipelines of formation that on seal, also offer upwards perforation corresponding with these 16 pore positions, the any a pair of linea angulata of the pile of take can divide two groups by these 16 pipelines and eight pipelines recited above as axle: fuel conduit and air pipe line, described fuel conduit and air pipe line all comprise successively: main admission line, air inlet collecting loop, air inlet flow pipeline, exhaust collecting loop, exhaust flow pipeline and main exhaust pipeline.
Wherein, gas in described fuel conduit and air pipe line all enters pipeline from the air admission hole of main admission line, then successively by air inlet collecting loop, air inlet flow pipeline, exhaust collecting loop and exhaust flow pipeline, finally from the venthole of main exhaust pipeline, discharge.And the cross section of each pipeline can be semicircle, circle, triangle, quadrangle and polygon etc.
Further, the described battery area of coverage comprises Yi Ge continuous structure district and the discrete topology district that is arranged at both sides, continuous structure district.
Further, when adopting methane as fuel, the discrete topology district of both sides can be used as the reforming reaction district of fuel; When adopting hydrogen as fuel, the discrete topology district of both sides can be used as the hot-swap feature district of fuel.
Further, the flow direction of the fuel gas between described every adjacent two monocells is contrary, and the flow direction of the oxidizing gas between every adjacent two monocells is contrary.
Further, on described pedestal in adjacent two holes of same edge, another is the venthole of main exhaust pipeline for air admission hole that is main admission line.
In order to improve the catchment effect of battery pile, between the anode of described monocell and connector, be provided with net-shaped conductive metal bar, for example can make nickel screen, between the negative electrode of monocell and connector, add successively comparatively soft contact layer (contact layer of for example being made by lanthanum strontium manganate) and net-shaped conductive metal bar, for example nickel screen.
Beneficial effect: compared with prior art, the present invention has the following advantages:
(1) pile surrounding heat exchange of the present invention is distinguished inside and outside two-layer; cold fluid runner is arranged in internal layer; hot fluid runner is arranged in skin; both can absorb the outer waste heat that is about to the gas of discharge; can absorb again the heat at pile edge, inner side; be conducive to the heat exchange between cold fluid and hot fluid, the temperature that reduces pile edge is conducive to protect seal.
(2) in pile of the present invention, the flow direction of the fuel gas of adjacent two monocells is contrary, in pile, the flow direction of the oxidizing gas of adjacent two monocells is contrary, can change easily and fast airflow direction, realize seal away from high-temperature region, thereby reach the bubble-tight object that improves seal, simultaneously can extend the useful life of seal again, and then the thermal stress of avoiding local overcooling that reforming reaction causes to produce.
(3) the small airway region in pile of the present invention is divided into three parts, wherein two ends adopt discrete type structure, and the middle continuous structure that adopts, can make the distribution of gas of each small airway even on the one hand, can reduce pressure reduction on the other hand, and then reduction pumps into the required energy of gas.
(4) main admission line of the present invention and main exhaust pipeline are closely adjacent, and the gas flow in the gas flow in main admission line and main exhaust pipeline is contrary, can utilize the waste heat gas of main exhaust pipeline to heat the cold air of main admission line, greatly improve the utilance of used heat, and then reduce gas is heated to the needed energy of working temperature from room temperature, finally can improve the generating efficiency of pile.
Accompanying drawing explanation
Fig. 1 is overall structure figure schematic diagram of the present invention;
Fig. 2 is gas flow general illustration in the present invention;
Fig. 3 is the first paragraph schematic diagram of gas flow in the present invention;
Fig. 4 is the second segment schematic diagram of gas flow in the present invention;
Fig. 5 is the flow schematic diagram of gas in connector in the present invention;
Fig. 6 is the 3rd section of schematic diagram of gas flow in the present invention;
Fig. 7 is the 4th section of schematic diagram of gas flow in the present invention.
Embodiment
Below technical solution of the present invention is elaborated by reference to the accompanying drawings.
As shown in Figures 1 to 7, a kind of flat solid oxide fuel cell pile device of the present invention, base 8 is installed from bottom to top successively, base seal part 7, base plate 6 and top board 1, between top board 1 and base plate 6, be provided with some groups and be the folded battery pile group of arranging of upper and lower structure sheaf, each battery pile group has stacked gradually seal 2 from the top down, monocell framework 3, seal 2 and connector 5, monocell framework 3 is provided with monocell 4, described base 8, base seal part 7, base plate 6, connector 5, four edges of monocell framework 3 and seal 2 all offer two holes, and due to base 8, base seal part 7, base plate 6, connector 5, monocell framework 3 and seal 2 stacked on top of one another are arranged, eight holes of every one deck all upper and lower correspondence are formed through the pipeline of eight up/down perforations, in adjacent two passages of same edge, one is main admission line 9, another is main exhaust pipeline 16, the centre position of connector 5 is provided with the battery area of coverage, and four side outer rims of the battery area of coverage are respectively equipped with a heat exchange zone 17, and heat exchange zone 17 comprises the runner that two rows are parallel, and the runner in outside is hot fluid runner 15, and the runner of inner side is cold fluid runner 10, the two ends of hot fluid runner 15 and cold fluid runner 10 all offer pore, and base 8, base seal part 7, base plate 6, connector 5, monocell framework 3 and the pore and then 16 pipelines of formation that on seal 2, also offer upwards perforation corresponding with these 16 pore positions, the any a pair of linea angulata of the pile of take can divide two groups by these 16 pipelines and eight pipelines recited above as axle: fuel conduit and air pipe line, fuel conduit and air pipe line all comprise successively: main admission line 9, air inlet collecting loop 11, air inlet flow pipeline 12, exhaust collecting loop 13, exhaust flow pipeline 14 and main exhaust pipeline 16.
Wherein, gas in fuel conduit and air pipe line all enters pipeline from the air admission hole of main admission line 9, then successively by air inlet collecting loop 11, air inlet flow pipeline 12, exhaust collecting loop 13 and exhaust flow pipeline 14, finally from the venthole of main exhaust pipeline 16, discharge.
The battery area of coverage comprises Yi Ge continuous structure district 19 and is arranged at the discrete topology district 18 of 19 both sides, continuous structure district;
When adopting methane as fuel, the discrete topology district 18 at two ends can be used as the reforming reaction district of methane, fills the required catalyst of methane reforming reaction: such as Ni bits, Ni ball etc., methane, in this region, reforming reaction occurs.According to runner design, directly over methane arrival end correspondence position and under correspondence position be the port of export of gas, the heat coming from the hot gas transmission of the port of export can meet the heat of the required absorption of methane reforming.Thereby the thermal stress of having avoided local overcooling that reforming reaction causes to produce, reduced again the temperature of port of export gas, improve air-tightness and the life-span of seal 2, and improved used heat utilance.
When adopting hydrogen as fuel; the discrete topology district 18 at two ends can be used as hot-swap feature district; utilize middle one deck of heat heating of adjacent upper and lower two-layer runner exit end gas just to start to participate in the live gas reacting; avoided port of export excess Temperature; make uniformity of temperature profile; protect seal 2, reached waste heat recovery simultaneously, improved the object of pile efficiency.
And whole battery pile also can be divided into the battery area of coverage and the heat exchange zone 17 that is arranged at battery area of coverage surrounding.
Because the flow direction of the fuel gas of every adjacent two monocells 4 in pile is contrary, so correspondence position is exactly the arrival end of adjacent single cells 4 fuel gas directly over monocell 4 fuel outlet ends, can utilize the hot gas temperature of the cold air reduction port of export of arrival end; Again because the flow direction of the oxidizing gas of every adjacent two monocells 4 in pile is contrary, so correspondence position is exactly the arrival end of adjacent single cells 4 oxidizing gases directly over monocell 4 oxidizing gas ports of export, can utilize the hot gas temperature of the cold air reduction port of export of arrival end.Finally can make seal 2 away from the high-temperature region in battery pile, improve air-tightness and the life-span of seal 2.
On pedestal in adjacent two holes of same edge, one be main admission line 9 air admission hole another be the venthole of main exhaust pipeline 16, in the present embodiment, the diagonal that the main admission line 9 of fuel and air and main exhaust pipeline 16 both can piles distributes also can be in the same side of pile with the both sides of pile.In pile the flow direction of the fuel gas of same monocell 4 and oxidizing gas flow to parallel, can adopt and flow design or counter-flow designs.
Between the anode of monocell 4 and connector 5, be provided with net-shaped conductive metal bar, between the negative electrode of monocell 4 and connector 5, be provided with successively contact layer and net-shaped conductive metal bar.Simultaneously at pile top, exhausted static load can also be set, to promote contacting of electrode and afflux part.
Gas in fuel channel and air duct flowing in whole pile can be divided into following several stages,
First stage as shown in Figure 3, gas in fuel channel or air duct enters pile from main admission line 9, along with upwards flowing, gas is assigned to successively in the cold fluid runner 10 in the connector 5 of each layer and carries out heat exchange, gas out imports afterwards air inlet collecting loop 11 from cold fluid runner 10, completes heat exchanging process.
As shown in Figure 4, the gas that completes heat exchange turns to along air inlet flow pipeline 12 and is upwards assigned to successively in each layer of connector 5 180 ° second stage.
Gas in connector 5 flow process as shown in Figure 5, the gas continuous structure district 19 that flows through from the discrete topology district 18 of the battery area of coverage one side, then flows out connectors 5 from the discrete topology district 18 of opposite side.
Phase III, from connector 5, gas out imported in exhaust collecting main as shown in Figure 6, then discharged from exhaust collecting loop 13, the gas after discharge again 180 ° turn to, along exhaust flow pipeline 14, flow.
Fourth stage as shown in Figure 7, is assigned to successively along the mobile gas of exhaust flow pipeline 14 in hot fluid runner 15 runners in the connector 5 of each layer and is completed heat exchange, finally imports main exhaust pipeline 16 and discharges piles.
So far, can complete the mobile overall process of one fluid.Fuel or air also can enter pipeline to complete mobile overall process from other main admission lines 9, and the similar and flow direction of the flow process of four road fluids can be configured by flow process specific design.
Claims (7)
1. a flat solid oxide fuel cell pile device, it is characterized in that: base (8), base seal part (7), base plate (6) and top board (1) are installed from bottom to top successively, between top board (1) and base plate (6), be provided with some groups and be the folded battery pile group of arranging of upper and lower structure sheaf, each battery pile group has stacked gradually seal (2), monocell framework (3), seal (2) and connector (5) from the top down, and monocell framework (3) is provided with monocell (4), four edges of described base (8), base seal part (7), base plate (6), connector (5), monocell framework (3) and seal (2) all offer two holes, and because base (8), base seal part (7), base plate (6), connector (5), monocell framework (3) and seal (2) stacked on top of one another are arranged, eight holes of every one deck all upper and lower correspondence are formed through the pipeline of eight up/down perforations, in adjacent two passages of same edge, one is main admission line (9), and another is main exhaust pipeline (16), the centre position of described connector (5) is provided with the battery area of coverage, four side outer rims of the battery area of coverage are respectively equipped with a heat exchange zone (17), heat exchange zone (17) comprises the runner that two rows are parallel, the runner in outside is hot fluid runner (15), and the runner of inner side is cold fluid runner (10), the two ends of described hot fluid runner (15) and cold fluid runner (10) all offer pore, and base (8), base seal part (7), base plate (6), connector (5), monocell framework (3) and the pore and then 16 pipelines of formation that on seal (2), also offer upwards perforation corresponding with these 16 pore positions, the any a pair of linea angulata of the pile of take can divide two groups by these 16 pipelines and eight pipelines recited above as axle: fuel conduit and air pipe line, described fuel conduit and air pipe line all comprise successively: main admission line (9), air inlet collecting loop (11), air inlet flow pipeline (12), exhaust collecting loop (13), exhaust flow pipeline (14) and main exhaust pipeline (16).
2. flat solid oxide fuel cell pile device according to claim 1, it is characterized in that: the gas in described fuel conduit and air pipe line all enters pipeline from the air admission hole of main admission line (9), then successively by air inlet collecting loop (11), air inlet flow pipeline (12), exhaust collecting loop (13) and exhaust flow pipeline (14), finally from the venthole of main exhaust pipeline (16), discharge.
3. flat solid oxide fuel cell pile device according to claim 1, is characterized in that: the described battery area of coverage comprises Yi Ge continuous structure district (19) and is arranged at the discrete topology district (18) of both sides, continuous structure district (19).
4. flat fixed oxygen compound fuel cell stack device according to claim 3, is characterized in that: when adopting methane as fuel, the discrete topology district (18) of both sides can be used as the reforming reaction district of fuel; When adopting hydrogen as fuel, the discrete topology district (18) of both sides can be used as the hot-swap feature district of fuel.
5. flat solid oxide fuel cell pile device according to claim 1, it is characterized in that: the flow direction of the fuel gas between described every adjacent two monocells (4) is contrary, the flow direction of the oxidizing gas between every adjacent two monocells (4) is contrary.
6. flat solid oxide fuel cell pile device according to claim 1, it is characterized in that: in adjacent two holes of the upper same edge of described base (8), one be main admission line (9) air admission hole another be the venthole of main exhaust pipeline (16).
7. flat solid oxide fuel cell pile device according to claim 1, it is characterized in that: between the anode of described monocell (4) and connector (5), be provided with net-shaped conductive metal bar, between the negative electrode of monocell (4) and connector (5), be provided with successively contact layer and net-shaped conductive metal bar.
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| CN201410449780.8A CN104218252B (en) | 2014-09-04 | 2014-09-04 | Flat solid oxide fuel cell pile device |
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| CN201410449780.8A CN104218252B (en) | 2014-09-04 | 2014-09-04 | Flat solid oxide fuel cell pile device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810872A (en) * | 2014-12-29 | 2016-07-27 | 吉世尔（合肥）能源科技有限公司 | Flat-plate or flat-tube type solid oxide fuel cell stack circuit connection structure |
| CN106997957A (en) * | 2015-09-28 | 2017-08-01 | 通用电气公司 | The method of fuel cell module and this module of operation including heat exchanger |
| CN109494394A (en) * | 2017-09-12 | 2019-03-19 | 上海献翼新能源科技有限公司 | A kind of fuel cell structure |
| CN109599582A (en) * | 2018-11-15 | 2019-04-09 | 江苏科技大学 | A kind of direct carbon solid oxide fuel cell pile and its power generator |
| CN110957516A (en) * | 2019-12-12 | 2020-04-03 | 潮州三环（集团）股份有限公司 | Solid oxide fuel cell stack adopting double cross-flow air flow distribution |
| EP3667788A4 (en) * | 2017-08-10 | 2020-09-09 | Nissan Motor Co., Ltd. | Cell structure for fuel cell and fuel cell system |
| CN112366335A (en) * | 2019-07-25 | 2021-02-12 | 罗伯特·博世有限公司 | Fuel cell stack for supplying electric current |
| CN112713295A (en) * | 2020-12-31 | 2021-04-27 | 厦门大学 | Flat-plate solid oxide fuel cell stack with serpentine air passage |
| CN114361505A (en) * | 2022-03-17 | 2022-04-15 | 武汉氢能与燃料电池产业技术研究院有限公司 | Three-runner solid oxide fuel cell unit structure and cell stack |
| CN115613063A (en) * | 2022-12-16 | 2023-01-17 | 北京思伟特新能源科技有限公司 | Flat-plate type solid oxide electrolytic cell stack |
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| CN105810872B (en) * | 2014-12-29 | 2018-09-04 | 吉世尔（合肥）能源科技有限公司 | A kind of tablet or flat tubular solid oxide fuel cell heap circuit connection structure |
| CN105810872A (en) * | 2014-12-29 | 2016-07-27 | 吉世尔（合肥）能源科技有限公司 | Flat-plate or flat-tube type solid oxide fuel cell stack circuit connection structure |
| CN106997957A (en) * | 2015-09-28 | 2017-08-01 | 通用电气公司 | The method of fuel cell module and this module of operation including heat exchanger |
| EP3667788A4 (en) * | 2017-08-10 | 2020-09-09 | Nissan Motor Co., Ltd. | Cell structure for fuel cell and fuel cell system |
| US11398638B2 (en) | 2017-08-10 | 2022-07-26 | Nissan Motor Co., Ltd. | Cell structure for fuel cell and fuel cell system |
| CN109494394A (en) * | 2017-09-12 | 2019-03-19 | 上海献翼新能源科技有限公司 | A kind of fuel cell structure |
| CN109494394B (en) * | 2017-09-12 | 2021-05-25 | 太仓克莱普沙能源科技有限公司 | Fuel cell structure |
| CN109599582A (en) * | 2018-11-15 | 2019-04-09 | 江苏科技大学 | A kind of direct carbon solid oxide fuel cell pile and its power generator |
| CN112366335A (en) * | 2019-07-25 | 2021-02-12 | 罗伯特·博世有限公司 | Fuel cell stack for supplying electric current |
| CN110957516A (en) * | 2019-12-12 | 2020-04-03 | 潮州三环（集团）股份有限公司 | Solid oxide fuel cell stack adopting double cross-flow air flow distribution |
| CN112713295A (en) * | 2020-12-31 | 2021-04-27 | 厦门大学 | Flat-plate solid oxide fuel cell stack with serpentine air passage |
| CN112713295B (en) * | 2020-12-31 | 2022-04-26 | 厦门大学 | Flat-plate solid oxide fuel cell stack with serpentine air passage |
| CN114361505A (en) * | 2022-03-17 | 2022-04-15 | 武汉氢能与燃料电池产业技术研究院有限公司 | Three-runner solid oxide fuel cell unit structure and cell stack |
| CN115613063A (en) * | 2022-12-16 | 2023-01-17 | 北京思伟特新能源科技有限公司 | Flat-plate type solid oxide electrolytic cell stack |
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