CN209607854U - Micro-tubular solid oxide fuel cell device - Google Patents
Micro-tubular solid oxide fuel cell device Download PDFInfo
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- CN209607854U CN209607854U CN201920403050.2U CN201920403050U CN209607854U CN 209607854 U CN209607854 U CN 209607854U CN 201920403050 U CN201920403050 U CN 201920403050U CN 209607854 U CN209607854 U CN 209607854U
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- oxide fuel
- solid oxide
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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 provides a kind of micro-tubular solid oxide fuel cell device, including battery pile structure and the covering plate structure provided around the battery pile structure；Battery pile structure includes multiple stack units being stacked, each stack unit includes supporting substrate, battery pack on supporting substrate and the first circuit board and second circuit board being fixedly connected with battery pack, battery pack includes the micro-tubular solid oxide fuel cell of multiple parallel arrangements on supporting substrate, and each micro-tubular solid oxide fuel cell is equipped with the hollow portion for supplied gas circulation；Gap between first cover plate assembly and stack unit forms the first air flow chamber, and the first air flow chamber is used to circulate for first gas；The hollow portion of second cover plate assembly and multiple micro-tubular solid oxide fuel cell forms the second air flow chamber, and the second air flow chamber is used to circulate for second gas.
Description
Technical field
The utility model relates to field of solid oxide fuel more particularly to a kind of micro-tubular solid oxide fuels
Cell apparatus.
Background technique
Solid oxide fuel cell (SOFC) belongs to fuel cell technology of new generation, uses solid state ionic conductor as electricity
Xie Zhi possesses about 60% transformation efficiency, pluralities of fuel, such as natural gas, biogas, coal gas, methane etc. can be used, to fuel
It is adaptable；It can be used for stationary electric power plant, household electrical source, ship power, automobile power, space aerospace and other many fields.
Because using all-solid-state battery structure, avoids and corroded using liquid electrolyte bring and electrolyte loss, resistance to SO_2 is strong, is not
Carry out a kind of more promising technology path.
Has there is the design method of multiple battery heap since nineteen thirty in the development of solid-oxide fuel cell stack, main
Concentrate on two kinds of structures of planar cells heap and tubular cells heap.Planar SOFC has power density height, preparation process letter
The single, advantages such as preparation cost is low, but thermal cycle and long-time stability are poor, and anti-oxidant Reductive stability and elevated-temperature seal etc. are always
It is the problem for restricting planar SOFC industrialized development.Tubular type SOFC more hundred multikilowatts of demonstrating running in the world at present
The shortcomings that system shows good long-time stability, tubular type SOFC is miniaturized, traditional Large Diameter Pipeline SOFC is not only compensated for,
Have many advantages, such as that starting is fast, thermal circulation performance is good and volumetric power density is big, but since micro-tubular SOFC intensity is not high enough, caliber
It is all smaller with length, so that micro-pipe SOFC prepares relatively difficult, limit the industrialization of micro-pipe SOFC.
Utility model content
The purpose of this utility model is to provide a kind of micro-tubular solid oxide fuel cell devices.
To realize that above-mentioned purpose of utility model, one embodiment of the utility model provide a kind of micro-tubular soild oxide combustion
Expect cell apparatus, including battery pile structure and the covering plate structure provided around the battery pile structure；The battery pile knot
Structure includes multiple stack units being stacked, and each stack unit includes supporting substrate, is set to the support
Battery pack on substrate and the first circuit board and second circuit board being fixedly connected with the battery pack, the battery pack include more
The micro-tubular solid oxide fuel cell of a parallel arrangement on the supporting substrate, each micro-tubular soild oxide
Fuel cell is equipped with the hollow portion for supplied gas circulation；Define the length side of the micro-tubular solid oxide fuel cell
To for X-direction；The stack unit includes the first end and second end being oppositely arranged in X-direction, the first circuit board with
The first end is fixedly connected, and the second circuit board is fixedly connected with the second end；The battery pile structure includes opposite
The top surface and bottom surface of setting, and the first side surface close to the first end and the second side surface close to the second end；
The covering plate structure includes the first cover plate assembly and the second cover plate assembly, and first cover plate assembly covers the top surface and bottom
Face, second cover plate assembly cover first side surface and the second side surface and wrap up the first end and second end；Institute
It states gap between the first cover plate assembly and the stack unit and forms the first air flow chamber, first air flow chamber is used for for the
The circulation of one gas；The hollow portion of second cover plate assembly and multiple micro-tubular solid oxide fuel cell composition second
Air flow chamber, second air flow chamber are used to circulate for second gas.
Second cover plate assembly includes the of covering first side surface as a further improvement of the utility model,
One side cover plate and the second side cover plate of covering second side surface；It is set respectively on first side surface and the second side surface
There is seal member；The battery pile structure is divided into the first part close to the first end by the seal member in X direction,
Second part close to the second end and the Part III between the first end and second end, wherein described first
Point with Part III is airtight is isolated, the second part with Part III is airtight is isolated；First side cover plate and first part,
Gap between multiple hollow portions, second part and the second side cover plate forms second air flow chamber.
As a further improvement of the utility model, first cover plate assembly include cover the top surface upper cover plate and
Cover the lower cover plate of the bottom surface；In Part III, each equal through-thickness of supporting substrate opens up at least one use
In the first through hole for passing through the first air-flow；Gap composition described first between the upper cover plate and Part III and lower cover plate
Air flow chamber.
The supporting substrate includes the first supporting surface and second being oppositely arranged as a further improvement of the utility model,
Supporting surface respectively corresponds on first supporting surface and the second supporting surface and opens up multiple battery grooves being parallel to each other, Mei Ge electricity
The micro-tubular solid oxide fuel cell is equipped in the groove of pond.
As a further improvement of the utility model, on the upper cover plate, lower cover plate, the first side cover plate and the second side cover plate
Surface close to the battery pile structure is equipped with airflow path.
The material of the supporting substrate is stainless steel as a further improvement of the utility model,.
The upper cover plate, lower cover plate, the first side cover plate and the second side cover plate as a further improvement of the utility model,
Material is stainless steel.
The cross section of the battery grooves is round or rectangular as a further improvement of the utility model,.
It is corresponded on the first circuit board and second circuit board as a further improvement of the utility model, each described micro-
The position of tubular solid oxide fuel cell offers circuit board through-hole respectively, and the first circuit board and second circuit board are logical
It crosses the circuit board through-hole and is sheathed on the micro-tubular solid oxide fuel cell.
As a further improvement of the utility model,
Compared with prior art, micro-tubular solid oxide fuel cell device disclosed by the utility model, makes micro-tubular
Solid oxide fuel cell array arrangement on supporting substrate sets to form stack unit, then by stack unit stacking
It sets to form the battery pile structure of array, the combination of battery pile structure and covering plate structure is recycled, so that integral battery heap
The volumetric power density of structure is higher, and the micro-tubular solid oxide fuel cell encapsulated in unit volume is bigger, entire micro-
The volumetric power density of tubular solid oxide fuel cell device is higher, it is subsequent can Optimal improvements space it is huge.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of micro-tubular solid oxide fuel cell device in one embodiment of the utility model；
Fig. 2 is the top view of battery pile structure in one embodiment of the utility model；
Fig. 3 is the side view of micro-tubular solid oxide fuel cell device in one embodiment of the utility model；
Fig. 4 is the structural schematic diagram of stack unit in one embodiment of the utility model；
Fig. 5 a is the structural schematic diagram of upper cover plate in one embodiment of the utility model；
Fig. 5 b is the structural schematic diagram of lower cover plate in one embodiment of the utility model；
Fig. 5 c is the structural schematic diagram of the first side cover plate in one embodiment of the utility model；
Fig. 5 d is the structural schematic diagram of the second side cover plate in one embodiment of the utility model；
Fig. 6 a to Fig. 6 c is the structural schematic diagram of air-flow groove in one embodiment of the utility model；
Fig. 7 a is first circuit board (or second circuit board) and micro-tubular solid oxidation in one embodiment of the utility model
The structural schematic diagram of object fuel cell connection；
Fig. 7 b is the series-parallel schematic diagram of micro-tubular solid oxide fuel cell in one embodiment of the utility model；
Fig. 8 is the preparation method process of micro-tubular solid oxide fuel cell device in one embodiment of the utility model
Schematic diagram.
Specific embodiment
The utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that those skilled in the art are made according to these embodiments, method or
Transformation functionally is all contained in the protection scope of the utility model.
It should be understood that the art of the representation space relative position used herein such as "upper", " top ", "lower", " lower section "
Language be for convenient for explanation purpose come describe as shown in the drawings a unit or feature relative to another unit or spy
The relationship of sign.The term of relative space position can be intended to include equipment in use or work other than orientation as shown in the figure
Different direction.
As shown in figs. 1-7, one embodiment of the utility model discloses a kind of micro-tubular solid oxide fuel cell dress
It sets.Fig. 1 is the structural schematic diagram of micro-tubular solid oxide fuel cell device.Fig. 2 is the top view of battery pile structure, is overlooked
Figure is only capable of seeing a stack unit 10 of top layer, it is recognised that being also stacked multiple battery units thereunder
10.Fig. 3 is the side view of micro-tubular solid oxide fuel cell device.Fig. 4 is the structural schematic diagram of a stack unit.
The micro-tubular solid oxide fuel cell device includes battery pile structure and around battery pile structure week
Enclose the covering plate structure of setting.The battery pile structure 1 includes multiple stack units 10 being stacked, each battery pile
Unit 10 includes supporting substrate 11, battery pack on the supporting substrate 11 and be fixedly connected with the battery pack the
One circuit board 191a and second circuit board 191b, the battery pack include the micro- of multiple parallel arrangements on the supporting substrate 11
Tubular solid oxide fuel cell 12, each micro-tubular solid oxide fuel cell 12 are equipped with for supplied gas stream
Logical hollow portion 123.
The length direction for defining the micro-tubular solid oxide fuel cell 12 is X-direction.The stack unit 10
Including the first end 1021 and second end 1022 being oppositely arranged in X-direction, the first circuit board 191a and the first end
1021 are fixedly connected, and the second circuit board 191b is fixedly connected with the second end 1022.
The battery pile structure includes the top surface 104 and bottom surface 105 being oppositely arranged, and close to the first end 1021
First side surface 106 and the second side surface 107 of the close second end 1022.The covering plate structure includes the first cover plate assembly
And second cover plate assembly, first cover plate assembly cover the top surface 104 and bottom surface 105, the second cover plate assembly covering
The first end 1021 and second end 1022 are simultaneously wrapped up in first side surface 106 and the second side surface 107.
Gap between first cover plate assembly and the stack unit 10 forms the first air flow chamber, first gas
Chamber is flowed to be used to circulate for first gas.Second cover plate assembly and multiple micro-tubular solid oxide fuel cell 12
Hollow portion 123 forms the second air flow chamber, and second air flow chamber is used to circulate for second gas.
In the utility model embodiment, second cover plate assembly includes the of covering first side surface 106
One side cover plate 17 and the second side cover plate 18 of covering second side surface 107.First side surface 106 and second side table
Seal member 13 is respectively equipped on face 107.The battery pile structure is divided into X direction close to described by the seal member 13
The first part of first end 1021, close to the second part of the second end 1022 and positioned at the first end 1021 and second end
Part III between 1022, wherein the first part with Part III is airtight is isolated, the second part and Part III
Airtight isolation.
Sky between first side cover plate 17 and first part, multiple hollow portions, second part and the second side cover plate 18
Gap forms second air flow chamber.First cover plate assembly includes covering described in upper cover plate 15 and the covering of the top surface 104
The lower cover plate 16 of bottom surface 105.In Part III, the equal through-thickness of each supporting substrate 11 opens up at least one and is used for
The first through hole 115 for passing through the first air-flow.Gap between the upper cover plate 15 and Part III and lower cover plate 16 forms institute
State the first air flow chamber.
Specifically, as shown in figure 4, the supporting substrate 11 includes the first supporting surface 111 being oppositely arranged and second
It is respectively corresponded on support face 112, first supporting surface 111 and the second supporting surface 112 and opens up multiple battery grooves being parallel to each other
113, the micro-tubular solid oxide fuel cell 12 is equipped in each battery grooves 113.
Micro-tubular solid oxide fuel cell 12 is arranged in battery grooves 113 by soldering.Specifically, micro-tubular is solid
Oxide body fuel cell 12 is really fixed in battery grooves 113 by seal member 13.Seal member 13 is weldering
Item, after soldering processes, welding rod melts and falls into the sky of micro-tubular solid oxide fuel cell 12 Yu battery grooves 113
In gap, so that the gap of tubular solid oxide fuel cell 12 and battery grooves 113 at welding rod is fully filled with and make two
Person is tightly secured together.Further, one or more seal members can also be added again between two seal members 13
13, to reinforce the connection of micro-tubular solid oxide fuel cell 12 Yu battery grooves 113.
Preferably, the cross section of the battery grooves 113 is round or rectangular.The width or diameter of battery grooves 113
Not less than the diameter of micro-tubular solid oxide fuel 12.In the utility model embodiment, the cross of the battery grooves 113
Section be it is rectangular, the width of battery grooves 113 is not less than the diameter of micro-tubular solid oxide fuel cell 12.
Further, several the first grooves 114 are offered along the direction perpendicular to X-direction on the first supporting surface 111,
The depth of first groove 114 is not less than the depth of the battery grooves 113.It is in order to enable that the first groove 114, which is arranged,
One gas can touch the two sides of micro-tubular solid oxide fuel cell 12 and/or the surface of bottom along the first groove 114.It is excellent
Several second groove (not shown) parallel with the first groove 114 also can be set on second supporting surface 112 in selection of land, with
So that first gas can touch the two sides of micro-tubular solid oxide fuel cell 12 and/or the table at top along the second groove
Face.
Preferably, the welding rod that seal member 13 can extend for the direction vertical with X-direction of the edge on the top surface 104.
After soldering processes, welding rod melts and falls into the gap of micro-tubular solid oxide fuel cell 12 Yu battery grooves 113
In, in the plane where the first side surface 106 and the second side surface 107, each gap is fully filled with.To incite somebody to action
The first gas in second gas and Part III in first part and second part is completely isolated.Specifically, Mei Gezhi
Close to the position of the first end 1021 and second end 1022 on the first supporting surface 111 and the second supporting surface 112 of support group plate 11
It is respectively equipped with seal member 13.In the first side surface 106, seal member 13 by first part with Part III is airtight is isolated,
In the second side surface 107, seal member 13 by second part with Part III is airtight is isolated.So battery pile structure is separated into
First part, second part and Part III.
In the utility model embodiment, the upper cover plate 15, lower cover plate 16, the first side cover plate 17 and the second side cover plate
Surface on 18 close to the battery pile structure is equipped with airflow path, the airflow channel be separately positioned on upper cover plate 15,
Air-flow groove 154,162,172 and 182 on lower cover plate 16, the first side cover plate 17 and the second side cover plate 18, it acts as make gas
Body is formed by preset path according to air-flow groove and flows.The concrete shape and gas of air-flow groove 154,162,172 and 182
Flow direction can be found in Fig. 5 a- Fig. 5 c.The width of air-flow groove 154,162,172 and 182 can be 0.1mm~10mm.
Further, in conjunction with shown in Fig. 1 and Fig. 6 a- Fig. 6 c, upper cover plate 15 is equipped with the first air inlet 152 and first and goes out
Port 153.To which first gas can enter the first air flow chamber from the first air inlet 152, and it is discharged from the first gas outlet 153.Tool
Body, in other embodiment, the first air inlet and the first gas outlet also can be set on lower cover plate, or by first
One of air inlet and the first gas outlet are arranged on upper cover plate, wherein another be arranged on lower cover plate.And the first side cover
Plate 17 is equipped with the second air inlet 171, and the second side cover plate 18 is equipped with the second gas outlet 181.To which second gas can be from second
Air inlet 171 enters the second air flow chamber, and is discharged from the second gas outlet 181.
Specifically, first gas can be fuel gas or air.Second gas can also be fuel gas or air.Tool
Body will depend on the structure of micro-tubular solid oxide fuel cell 12.
Further, as shown in Figures 2 and 4, the length of micro-tubular solid oxide fuel cell 12 is greater than the battery
The length of groove 113, specifically, the length of micro-tubular solid oxide fuel cell 12, which has more, carrys out 1mm~50mm, that is,
It says, first end 1021 and second end 1022 extend to outside the two sides of supporting substrate 11.
In the utility model embodiment, as shown in figure 3, being equipped with cell stack distribution on each supporting substrate 11
116, cover board pilot hole 151, multiple 10 heap poststacks of stack unit, in top surface are also correspondingly arranged on upper cover plate 15 and lower cover plate 16
104, which place upper cover plates 15, simultaneously places lower cover plate 16 in bottom surface 105, by the cover board pilot hole 151 of upper cover plate 15, battery pile structure
The cover board of cell stack distribution 116 and lower cover plate 16 assembles the alignment of 151 holes, and make assembly parts through cell stack distribution 116 and
Cover board pilot hole 151, so that upper cover plate 15, battery pile structure and lower cover plate 16 are assembled together.Specifically, cell stack is matched
Hole 116 and cover board pilot hole all can be threaded hole, assembly parts can be screw, the bolt etc. that are threadedly engaged with threaded hole.And
First side cover plate 17 and the second side cover plate 18 are then fixed with battery pile structure by soldering respectively.
Be detailed below first gas in the first air flow chamber flow process and second gas in the second air flow chamber
Flow process.
Firstly, first gas can enter the air-flow groove 154 of upper cover plate by the first air inlet 152, it is then recessed along air-flow
Flow passage defined by slot 154, in the space defined by the Part III of battery pile structure, first gas is flow to and it
In immediate stack unit 10, namely followed by each micro-tubular solid oxide fuel on its supporting substrate 11
The upper surface of battery 12.Then, first gas can touch micro-tubular solid oxide fuel cell 12 along the first groove 114
Two sides and/or bottom.And first through hole 115 flow first gas can vertically downwards, into supporting substrate 11
The second supporting surface 112 and flow through the following table of each micro-tubular solid oxide fuel cell 12 on the second supporting surface
Face.Similarly, the position of corresponding first groove 114 also is provided with the second groove on the second supporting surface 112, so that first gas can edge
Second groove touches the two sides and/or top of micro-tubular solid oxide fuel cell 12.Meanwhile first gas can also flow
It moves in next stack unit 10.Its type of flow is as described above.Flowing through the micro-tubular in all stack units 10
After solid oxide cell 12, first gas can from gas outlet 151 flow out micro-tubular solid oxide fuel cell device it
Outside.
And second gas enters the air-flow groove 172 of the first side cover plate 17 from the second air inlet 171, then along air-flow groove
Flow passage defined by 172, in the space defined by the first part of battery pile structure, first gas can be along each micro-pipe
One end of formula solid oxide fuel cell 12 is flowed into hollow portion 123, then can be in the second part of battery pile structure
Flowing, finally through flowing out micro-tubular solid oxygen by the second gas outlet 181 after the flowing of air-flow groove 182 of the second side cover plate 18
Except compound fuel-cell device.
Further, the material of the supporting substrate 11 is stainless steel.The upper cover plate, lower cover plate, the first side cover plate and
The material of second side cover plate is stainless steel.Using the preferable stainless steel material of heating conduction, so that micro-tubular solid oxidation
Object fuel cell is in a uniform and stable thermal field, is conducive to extend service life and the function of micro-tubular solid oxide fuel cell
The promotion of rate density.And stainless steel supporting substrate can be rapidly heated and cool down the short time, prepared soild oxide combustion
Expect that battery stack has the shorter start-stop time, compares suitable for portable power or vehicle-mounted distance increasing unit.
Further, each micro-tubular solid oxygen is corresponded on the first circuit board 191a and second circuit board 191b
The position of compound fuel cell 12 offers circuit board through-hole 192, the first circuit board 191a and second circuit board respectively
191b is sheathed on the micro-tubular solid oxide fuel cell by the circuit board through-hole.
Preferably, the first circuit board and second circuit board are ceramic circuit board.The material of the ceramic circuit board is
The structural ceramics such as aluminium oxide, silica, zirconium oxide, magnesia, beryllium oxide, silicon nitride, aluminium nitride, titanium nitride, boron nitride its
Middle one kind.
Preferably, the conducting wire of the first circuit board and second circuit board passes through the silk-screen printing of refractory metal slurry
It prepares and high temperature sintering forms, main component is the refractory metals materials such as gold, silver, platinum, silver palladium alloy, nichrome, tungsten, molybdenum
Material.
It is the anode of the micro-tubular solid oxide fuel cell in the utility model embodiment as shown in Fig. 7 a-7b
With the series-parallel schematic diagram of cathode.It specifically, is by first circuit board 191a and second in the utility model embodiment
Circuit board 191b realizes the series-parallel of micro-tubular solid oxide fuel cell 12.
According to the diameter of micro-tubular solid oxide fuel cell 12 and arrangement spacing, in first circuit board 191a and the
Circular through hole 192 is respectively set on two circuit board 191b, further according to the needs of series-parallel route, in first circuit board circuit board
Pad 193 and conducting channel 194 are prepared respectively on 191a and second circuit board 191b.
The anode 121 of each micro-tubular solid oxide fuel cell 12 and cathode 122 are distinguished by way of soldering
Weld together with the pad 193 of first circuit board 191a and second circuit board 191b, and micro-pipe is realized by conducting wire 194
Formula solid oxide fuel cell 12 it is series-parallel, and form final anode 197 and cathode 196.
As shown in figure 8, for a kind of micro-tubular solid oxide fuel cell disclosed in one embodiment of the utility model
The preparation method of device, the method specifically includes the following steps:
S1 provides multiple first plates, and by cutting technique and stamping technology, by plate cutting and punching press, being formed has
Multiple supporting substrates of the groove of array arrangement.
Specifically, the first plate is stainless steel materials.By line cutting technology or laser cutting technique, according to required
The external dimensions of supporting substrate 11 carry out cutting stainless steel plate.Then, it by stamping technology or numerically controlled lathe technology, is cutting
Battery grooves 113 and first groove 114 perpendicular with it are prepared on the stainless steel materials cut, then are obtained by drilling technique
First through hole 115 and cell stack distribution 116 finally obtain the supporting substrate 11 made.
S2 provides multiple micro-tubular solid oxide fuel cell, micro-tubular solid oxide cell is individually fixed in
In the battery grooves of supporting substrate.
Specifically, the direction placed by adjusting micro-tubular solid oxide cell 12, so that micro-tubular soild oxide
After 122 cross arrangement of anode 121 and cathode of battery 12, all micro-tubular solid oxide cells 12 are placed in battery grooves
In 113, then by soldering tech, micro-tubular solid oxide cell 12 is fixed in battery grooves 113, and guarantees
Setting at least two can carry out the welding rod of soldering processes on supporting substrate, and the battery pile structure is divided into X direction
The first part close to the first end 1021 of mutual airtight isolation, close to the second end 1022 second part and be located at
Part III between the first end 1021 and second end 1022.
S3 provides two circuit boards, on circuit boards according to the diameter of micro-tubular solid oxide fuel cell and quantity
Two circuit boards are arranged respectively and are fixed on the both ends of the length direction of micro-tubular solid oxide fuel cell by punching.
It punched on circuit board 191 according to the diameter and quantity according to micro-tubular solid oxide fuel cell, print and lead
Circuit 194 and pad 193, and be sintered, it, will by soldering tech by 191 sets of ceramic circuit board on micro-pipe SOFC12 array
The anode 121 and cathode 122 of ceramic circuit board 191 and micro-pipe SOFC12 are fixed, and guarantee air-tightness.
S4 provides multiple second plates, and by cutting technique and stamping technology, plate cutting and punching press are formed multiple
The first cover plate assembly and the second cover plate assembly with air inlet, gas outlet and airflow channel.
Specifically, the second plate is also stainless steel materials.By line cutting technology or laser cutting technique, according to upper
Cover board, lower cover plate, the first side cover plate and the second side cover plate external dimensions carry out cutting stainless steel plate.Then, pass through punching press skill
Art or numerically controlled lathe technology prepare air-flow groove 154,162,172 and 182 respectively on the stainless steel materials of well cutting, the
One air inlet 152, the first gas outlet 153, cover board pilot hole 151, the second air inlet 171, the second gas outlet 181, to obtain
Upper cover plate 15, lower cover plate 16, the first side cover plate 17 and the second side cover plate 18.
The assembly of first cover plate assembly, the second cover plate assembly and multiple substrates is fixed together, obtains micro-tubular solid by S5
Oxid fuel cell device.
By supporting substrate 11, upper cover plate 15, lower cover plate 16, the first side cover plate 17 and the second side cover plate 18 according to battery pile
The aligned in position of pilot hole and cover board pilot hole is simultaneously fixed together using assembly parts such as bolts to assemble, then metal welding skill
Art welds together, and guarantees air-tightness, obtains micro-tubular solid oxide fuel cell device.
Micro-tubular solid oxide fuel cell device disclosed by the utility model and preparation method thereof, makes micro-tubular solid
Oxide fuel cell on supporting substrate array arrangement to form stack unit, then by stack unit be stacked from
And the battery pile structure of array is formed, the combination of battery pile structure and covering plate structure is recycled, so that integral battery pile structure
Volumetric power density it is higher, the quantity of the micro-tubular solid oxide fuel cell encapsulated in unit volume is more, entirely
The volumetric power density of micro-tubular solid oxide fuel cell device is higher, it is subsequent can Optimal improvements space it is huge.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of micro-tubular solid oxide fuel cell device, which is characterized in that including battery pile structure and surround the electricity
Covering plate structure provided around the pile structure of pond；The battery pile structure includes multiple stack units being stacked, Mei Gesuo
Stating stack unit includes supporting substrate, battery pack on the supporting substrate and is fixedly connected with the battery pack
First circuit board and second circuit board, the battery pack include the micro-tubular solid of multiple parallel arrangements on the supporting substrate
Oxide fuel cell, each micro-tubular solid oxide fuel cell are equipped with the hollow portion for supplied gas circulation；
The length direction for defining the micro-tubular solid oxide fuel cell is X-direction；The stack unit includes phase in X-direction
To the first end and second end of setting, the first circuit board is fixedly connected with the first end, the second circuit board and institute
Second end is stated to be fixedly connected；The battery pile structure includes the top surface and bottom surface being oppositely arranged, and close to the first end
First side surface and the second side surface of the close second end；The covering plate structure includes the first cover plate assembly and the second cover board
Component, first cover plate assembly cover the top surface and bottom surface, second cover plate assembly cover first side surface and
Simultaneously wrap up the first end and second end in the second side surface；Gap between first cover plate assembly and the stack unit
The first air flow chamber is formed, first air flow chamber is used to circulate for first gas；Second cover plate assembly with it is multiple described micro-
The hollow portion of tubular solid oxide fuel cell forms the second air flow chamber, and second air flow chamber is used for for second gas stream
It is logical.
2. micro-tubular solid oxide fuel cell device according to claim 1, which is characterized in that
Second cover plate assembly includes the first side cover plate and covering second side surface for covering first side surface
The second side cover plate；Seal member is respectively equipped on first side surface and the second side surface；The seal member will be described
Battery pile structure is divided into the first part close to the first end in X direction, second part and position close to the second end
Part III between the first end and second end, wherein the first part with Part III is airtight is isolated, described
Two parts with Part III is airtight is isolated；
Gap between first side cover plate and first part, multiple hollow portions, second part and the second side cover plate forms institute
State the second air flow chamber.
3. micro-tubular solid oxide fuel cell device according to claim 2, which is characterized in that
First cover plate assembly includes the upper cover plate for covering the top surface and the lower cover plate of the covering bottom surface；
In Part III, each equal through-thickness of supporting substrate opens up at least one for passing through the first air-flow
First through hole；Gap between the upper cover plate and Part III and lower cover plate forms first air flow chamber.
4. micro-tubular solid oxide fuel cell device according to claim 3, which is characterized in that
The supporting substrate includes the first supporting surface and the second supporting surface being oppositely arranged, first supporting surface and the second support
It is respectively corresponded on face and opens up multiple battery grooves being parallel to each other, the micro-tubular solid is equipped in each battery grooves
Oxide fuel cell.
5. micro-tubular solid oxide fuel cell device according to claim 3, which is characterized in that
Surface on the upper cover plate, lower cover plate, the first side cover plate and the second side cover plate close to the battery pile structure is equipped with
Airflow path.
6. micro-tubular solid oxide fuel cell device described in -5 any one according to claim 1, which is characterized in that institute
The material for stating supporting substrate is stainless steel.
7. according to micro-tubular solid oxide fuel cell device described in claim 3-5 any one, which is characterized in that institute
The material for stating upper cover plate, lower cover plate, the first side cover plate and the second side cover plate is stainless steel.
8. micro-tubular solid oxide fuel cell device according to claim 4, which is characterized in that
The cross section of the battery grooves is round or rectangular.
9. micro-tubular solid oxide fuel cell device according to claim 1, which is characterized in that
The position point of each micro-tubular solid oxide fuel cell is corresponded on the first circuit board and second circuit board
Do not offer circuit board through-hole, the first circuit board and second circuit board are sheathed on the micro-pipe by the circuit board through-hole
Formula solid oxide fuel cell.
10. micro-tubular solid oxide fuel cell device according to claim 4, which is characterized in that
Several the first grooves, the depth of first groove are offered along the direction perpendicular to X-direction on first supporting surface
Degree is not less than the depth of the battery grooves.
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| CN109935878A (en) * | 2019-03-27 | 2019-06-25 | 张克栋 | Micro-tubular solid oxide fuel cell device and preparation method thereof |
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| CN109935878A (en) * | 2019-03-27 | 2019-06-25 | 张克栋 | Micro-tubular solid oxide fuel cell device and preparation method thereof |
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