CN111463468A - Solid oxide fuel cell stack pressure device - Google Patents
Solid oxide fuel cell stack pressure device Download PDFInfo
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- CN111463468A CN111463468A CN202010277961.2A CN202010277961A CN111463468A CN 111463468 A CN111463468 A CN 111463468A CN 202010277961 A CN202010277961 A CN 202010277961A CN 111463468 A CN111463468 A CN 111463468A
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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
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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
- H01M8/248—Means for compression of the 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
- H01M8/10—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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a solid oxide fuel cell stack pressure device, which relates to the technical field of fuel cells and comprises the following components: the device comprises an upper pressing frame, a lower pressing frame, an upper pressing plate, a lower pressing plate, four side pressing plates and four side pressing devices, wherein the upper pressing frame and the lower pressing frame are respectively used for being arranged on two opposite sides of a rectangular electric pile; the device also comprises a vertical pressurizing device and a guide device, wherein the guide device can provide vertical movement guide for the upper pressing frame and the lower pressing frame.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a solid oxide fuel cell stack pressurizing device.
Background
A Solid Oxide Fuel Cell (SOFC) is an electrochemical device that operates at relatively high temperatures (600 ℃ to 900 ℃), and generally consists of a porous anode, a dense electrolyte, and a porous cathode. Under the working temperature, the anode and the cathode are respectively in a reducing atmosphere and an oxidizing atmosphere, air is ionized in the cathode to generate oxygen ions, and the oxygen ions directionally move to the anode through the high-temperature oxygen ion conductor electrolyte under the action of a chemical driving force and react with a reducing gas at the anode. Because the electrolyte is a pure oxygen ion conductor, electrons cannot pass through, and in the process, the electrons are stripped from air molecules at the cathode and reach the anode through an external circuit to participate in the oxidation reaction of the reducing gas, so that the load work in the external circuit is promoted. The open-circuit voltage of the single-chip battery is limited by the Nernst equation and generally does not exceed 1.2V, and the working voltage is reduced along with the increase of the current. Therefore, in order to obtain higher voltage, single fuel cells need to be connected in series to form a stack, and for a flat SOFC, when single cells are integrated into a stack, a connector needs to be used for connecting the cells in series, a contact material is introduced in the process to reduce the contact resistance between the connector and the single cells, the contact of the stack cannot be ensured only by the contact material, and a certain pressure needs to be loaded on the stack;
however, the solid oxide fuel cell stack pressurizing device in the prior art has poor pressurizing effect on the stack, so that the contact effect of the stack is poor, and the use requirement cannot be met; and the pressurizing block in the prior art is not stable in traveling.
Based on the above problems in the prior art, it is desirable to provide a novel stack voltage applying apparatus.
Disclosure of Invention
The invention aims to provide a solid oxide fuel cell stack pressurizing device, which is used for solving the problems in the prior art, has a good pressurizing effect on a stack and increases the stability of the whole structure.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a solid oxide fuel cell stack pressure device, comprising: the rectangular electric pile comprises an upper pressing frame, a lower pressing frame, an upper pressing plate, a lower pressing plate and four side pressing plates, wherein the upper pressing frame and the lower pressing frame are respectively used for being arranged on two opposite sides of a rectangular electric pile, the upper pressing frame and the lower pressing frame are both arranged horizontally and in parallel, the upper pressing plate is arranged on the upper pressing frame in parallel and fixedly, the lower pressing plate is arranged on the lower pressing frame in parallel and fixedly, and the side pressing plates are arranged vertically;
the rectangular electric pile pressing device comprises an upper pressing frame, a lower pressing frame, four side pressing devices and a horizontal sliding guide rail, wherein the four side pressing devices are fixedly arranged on the upper pressing frame or the lower pressing frame;
the rectangular electric pile pressing device comprises an upper pressing frame, a lower pressing frame and a guide device, wherein the upper pressing frame is arranged on the upper portion of the rectangular electric pile, the lower pressing frame is arranged on the lower portion of the rectangular electric pile, the vertical pressing frame is arranged on the lower portion of the rectangular electric pile, and the guide device can be used for guiding the upper pressing frame and the lower pressing frame to move vertically.
Preferably, the guide device comprises a plurality of guide rods, the vertical pressurizing device comprises a plurality of nuts, one end of each guide rod is provided with a limiting body, the guide rods are vertically arranged, one end, not provided with the limiting body, of each guide rod sequentially penetrates through the lower pressing frame and the upper pressing frame, one end, not provided with the limiting body, of each guide rod is in threaded connection with one nut, different pressures are applied to the electric pile by adjusting the positions of the nuts on the guide rods, and each guide rod is uniformly arranged on the circumferential edges of the upper pressing frame and the lower pressing frame.
Preferably, each lateral pressurizing device comprises a supporting plate and a plurality of compression screws, each supporting plate is parallel to one lateral pressing plate, the supporting plate is fixedly arranged on the upper pressing frame or the lower pressing frame, one end of each compression screw is provided with a cap body, each compression screw is perpendicular to the corresponding supporting plate, one end, which is not provided with the cap body, of each compression screw penetrates through the corresponding supporting plate and is compressed on one lateral pressing plate, and each compression screw is in threaded connection with the corresponding supporting plate.
Preferably, each lateral pressurizing device comprises 3 pressing screws, three threaded holes are formed in the supporting plate, centers of the three threaded holes are connected in pairs to form an equilateral triangle, and the center of the equilateral triangle is located on one central line of the electric pile.
Preferably, the vertical pressurizing device further comprises a spring, the spring is sleeved on the guide rod, and the spring is arranged between the lower pressing frame and the limiting body.
Preferably, the vertical pressurizing device further comprises two insulating sleeves, the two insulating sleeves are sleeved on the guide rod, one insulating sleeve is arranged between the spring and the lower pressing frame, and the other insulating sleeve is arranged between the nut and the upper pressing frame.
Preferably, the upper pressing frame comprises an upper central frame body and four upper supporting assemblies fixedly arranged on the upper central frame body, each upper supporting assembly comprises two upper supporting rods which extend in the direction away from the galvanic pile and are parallel to each other, the four upper supporting assemblies are respectively perpendicular to the four side pressure plates, and two opposite side surfaces of the two upper supporting rods in each upper supporting assembly are respectively provided with a sliding chute which extends in the length direction of the upper supporting rods;
the lower pressing frame comprises a lower central frame body and four lower supporting assemblies fixedly arranged on the lower central frame body, each lower supporting assembly comprises two lower supporting rods, one lower supporting rod is arranged right below each upper supporting rod and parallel to the upper supporting rod, and two opposite side surfaces of the two lower supporting rods in each lower supporting assembly are provided with sliding grooves extending along the length direction of the lower supporting rods;
the upper end and the lower end of two side edges of each side pressure plate are respectively provided with a sliding block, each sliding block can be connected in one sliding groove in a sliding mode, and the sliding grooves are the horizontal sliding guide rails.
Preferably, four the backup pad is fixed respectively set up in four go up the supporting component and keep away from the one end of going up central support body, each the backup pad with a first recess has all been seted up along vertical direction in the position that the lower support rod is relative, the lower support rod stretches into in the first recess and the top tightly in the bottom surface of first recess, the lower support rod is in can reciprocate in the first recess.
Preferably, the horizontal slide rail is arranged on the upper pressing frame or the lower pressing frame, the upper end of the side pressing plate is connected to the upper pressing frame or the lower end of the side pressing plate is connected to the lower pressing frame in a sliding mode, the horizontal slide rail is a groove, a second slide block is arranged on the side edge of the side pressing plate, and the second slide block is connected to the groove in a sliding mode.
Preferably, an insulating pad is further arranged between one end, not provided with the cap body, of the compression screw and the side pressing plate, and the insulating pad is fixedly arranged on the compression screw or the side pressing plate.
Compared with the prior art, the invention has the following technical effects:
the invention provides a solid oxide fuel cell stack pressurizing device, wherein an upper pressure plate, a lower pressure plate and four side pressure plates are all integrated to pressurize the surface of a rectangular stack by adopting an integrated pressure plate, so that the contact area of the pressure plate and the surface of the stack is increased, most of the surface of the stack can be subjected to the pressing force from each pressure plate, the pressurizing effect on the stack is improved, a connecting body in the stack is in full contact with a single cell, and the contact resistance between the connecting body and the single cell is reduced; in addition, the device also comprises a horizontal sliding guide rail, the horizontal sliding guide rail provides a linear sliding track for each side press plate, so that the upper press frame and the lower press frame can only move towards the direction of pressing the galvanic pile.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a solid oxide fuel cell stack pressurizing device provided by the invention;
fig. 2 is a schematic structural diagram of a solid oxide fuel cell stack pressurizing device of fig. 1 with an upper pressure frame and a lower pressure frame removed;
FIG. 3 is a schematic structural view of the upper press frame of FIG. 1;
in the figure: 1-rectangular galvanic pile, 2-upper press plate, 3-lower press plate, 4-side press plate, 5-spring, 6-slide block, 7-chute, 8-upper press frame, 9-lower press frame, 10-guide bar, 11-nut, 12-support plate, 13-compression screw and 14-insulating sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a solid oxide fuel cell stack pressurizing device, which is used for solving the problems in the prior art, has a good pressurizing effect on a stack and is improved in stability.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a solid oxide fuel cell stack pressure device, as shown in fig. 1-3, comprising: the rectangular electric pile comprises an upper pressure frame 8, a lower pressure frame 9, an upper pressure plate 2, a lower pressure plate 3 and four side pressure plates 4, wherein the upper pressure frame 8 and the lower pressure frame 9 are respectively used for being arranged on two opposite sides of the rectangular electric pile 1, the upper pressure frame 8 and the lower pressure frame 9 are both arranged horizontally and in parallel, the upper pressure plate 2 is arranged on the upper pressure frame 8 in parallel and fixedly, the lower pressure plate 3 is arranged on the lower pressure frame 9 in parallel and fixedly, and the side pressure plates 4 are arranged vertically; the four-side pressing device is characterized by further comprising four side pressing devices and a horizontal sliding guide rail, wherein each side pressing plate 4 is connected to the horizontal sliding guide rail in a sliding mode, each side pressing device is fixedly arranged on an upper pressing frame 8 or a lower pressing frame 9, each side pressing device can apply pressure towards the galvanic pile to one side pressing plate 4, and the four side pressing plates 4 are used for being pressed on four side faces of the rectangular galvanic pile 1 respectively; the device also comprises a vertical pressurizing device and a guiding device, wherein the vertical pressurizing device extrudes the upper surface and the lower surface of the rectangular electric pile 1 by reducing the distance between the upper pressing frame 8 and the lower pressing frame 9, and the guiding device can provide vertical moving guide for the upper pressing frame 8 and the lower pressing frame 9; the distance between the edge of the upper pressing plate 2 and the edge of the upper surface of the galvanic pile is 5-10mm, the distance between the edge of the lower pressing plate 3 and the edge of the lower surface of the galvanic pile is 5-10mm, the specific distance value is set according to the actual compression amount of the galvanic pile after the galvanic pile is pressed, and the distance value needs to be larger than the single-side compression amount of the galvanic pile.
The upper pressing plate 2, the lower pressing plate 3 and the four side pressing plates 4 are all a whole pressing plate to press the surface of the rectangular electric pile 1, so that the contact area between the pressing plate and the surface of the electric pile is increased, most of the surface of the electric pile can be pressed by pressing force from each pressing plate, the pressing effect on the electric pile is improved, a connecting body in the electric pile is in full contact with a single cell, and the contact resistance between the connecting body and the single cell is reduced; in addition, the device also comprises a horizontal sliding guide rail, the horizontal sliding guide rail provides a linear sliding track for each side press plate 4, so that the upper press frame 8 and the lower press frame 9 can only move towards the direction of pressing the electric pile, and similarly, the device is also provided with a guide device, the guide device can provide vertical movement guide for the upper press frame 8 and the lower press frame 9 and also move linearly, so that the effect of limiting the upper press frame 8 and the lower press frame 9 to move towards other directions is achieved, and the movement of each press plate is stable when the electric pile is pressurized, therefore, the pressurizing effect of the electric pile pressurizing device provided by the invention on the electric pile is better and more stable.
Furthermore, the guiding device comprises a plurality of guiding rods 10, the guiding rods 10 are preferably screw rods, the vertical pressurizing device comprises a plurality of nuts 11, one end of each guiding rod 10 is provided with a limiting body, the limiting body is a nut, the guiding rods 10 are vertically arranged, one ends of the guiding rods 10 without limiting bodies sequentially penetrate through the lower pressing frame 9 and the upper pressing frame 8, corresponding positions of the lower pressing frame 9 and the upper pressing frame 8 are provided with guiding holes, the guiding rods 10 penetrate through the guiding holes, the guiding rods 10 and the guiding holes are matched with each other to achieve the effect of limiting the unidirectional movement of the upper pressing frame 8 and the lower pressing frame 9, one ends of the guiding rods 10 without limiting bodies are in threaded connection with a nut 11, different pressures are applied to the electric pile by adjusting the positions of the nuts 11 on the guiding rods 10, after the device is adjusted, the distance between each nut 11 and the limiting body on each guiding rod 10 in threaded connection with the nut is consistent, each guide rod 10 is uniformly arranged at the circumferential edges of the upper pressing frame 8 and the lower pressing frame 9, so that the pressure applied to the galvanic pile is uniform.
Furthermore, each side pressure device comprises a supporting plate 12 and a plurality of compression screws 13, each supporting plate 12 is parallel to one side pressure plate 4, the supporting plate 12 is fixedly arranged on the upper pressure frame 8 or the lower pressure frame 9, one end of each compression screw 13 is provided with a cap body, the compression screws 13 are perpendicular to the supporting plates 12, one end of each compression screw 13, which is not provided with a cap body, penetrates through the supporting plate 12 to be compressed on one side pressure plate 4, the compression screws 13 are in threaded connection with the supporting plates 12, the distance between the two opposite side pressure plates 4 is changed by adjusting the position of each compression screw 13 on the supporting plate 12, and then the pressure applied to the electric pile is adjusted.
Furthermore, each side pressure device comprises 3 compression screws 13, three threaded holes are formed in the support plate 12, centers of the three threaded holes are connected in pairs to form an equilateral triangle, the center of the equilateral triangle is located on a central line of the pile, and the pressing force is enhanced while the same pressing force can be applied to all parts of the pile.
Further, vertical pressure device still includes spring 5, and on spring 5 cover was located guide bar 10, spring 5 set up in down between pressure frame 9 and the spacing body, spring 5 was used for balancing the pressure between galvanic pile and the vertical pressure device, prevented in the course of the work, because of the galvanic pile volume inflation arouses pressure device's damage.
Further, vertical pressure device still includes two insulation support 14, and two insulation support 14 all overlap and locate guide bar 10 on, and one insulation support 14 sets up between spring 5 and lower pressure frame 9, and another insulation support 14 sets up between nut 11 and last pressure frame 8, and two insulation support 14 can play certain insulating effect on the one hand, and on the other hand, two insulation support 14 are equivalent to compressing tightly the gasket, play balanced effect that compresses tightly.
Further, the upper pressure frame 8 comprises an upper center frame body and four upper supporting components fixedly arranged on the upper center frame body, the upper pressure plate 2 is fixedly arranged on the upper center frame body, each upper supporting component comprises two upper supporting rods which extend in the direction away from the galvanic pile and are parallel to each other, the four upper supporting components are respectively perpendicular to the four side pressure plates 4, and two opposite side surfaces of the two upper supporting rods in each upper supporting component are respectively provided with a sliding groove 7 which extends in the length direction of the upper supporting rod; the lower pressing frame 9 comprises a lower central frame body and four lower supporting assemblies fixedly arranged on the lower central frame body, the lower pressing plate 3 is fixedly arranged on the lower central frame body, each lower supporting assembly comprises two lower supporting rods, one lower supporting rod is arranged right below each upper supporting rod and is parallel to the upper supporting rod, and two opposite side surfaces of the two lower supporting rods in each lower supporting assembly are respectively provided with a sliding chute 7 extending along the length direction of the lower supporting rod; the upper end and the lower end of two side edges of each side pressure plate 4 are respectively provided with a slide block 6, each slide block 6 can be connected in a slide groove 7 in a sliding way, and the slide groove 7 is a horizontal sliding guide rail;
the size of the sliding groove 7 in the vertical direction of the upper pressing frame 8 or the lower pressing frame 9 is larger than that of the sliding block 6, so that the sliding block 6 at any end of each side pressing plate 4 can move in the sliding groove 7 in the vertical direction, and in short, the distance between the upper pressing frame 8 and the lower pressing frame 9 can be changed.
Further, four backup pads 12 are fixed respectively and are set up in four and go up the one end that supporting component kept away from the center support body, and a first recess has all been seted up along vertical direction in the position that each backup pad 12 is relative with the lower bracing piece, and the lower bracing piece stretches into in the first recess and the top is tight in the bottom surface of first recess, and the lower bracing piece can reciprocate in the first recess, and backup pad 12 is used for supporting compression screw 13.
What need show is that, the mode that sets up of four backup pads 12 is not only limited to be fixed in on the supporting component, also can be with four backup pads 12 respectively fixed set up in four under bracing components keep away from the one end of center support body down, a second recess has all been seted up along vertical direction in the position that each backup pad 12 is relative with last bracing piece, goes up the bracing piece and stretches into in the second recess and the top is tight in the bottom surface of second recess, goes up the bracing piece and can reciprocate in the second recess.
Furthermore, the horizontal slide rail is arranged on the upper pressure frame 8 or the lower pressure frame 9, the upper end of the side pressure plate 4 is connected with the upper pressure frame 8 or the lower end of the side pressure plate 4 is connected with the lower pressure frame 9 in a sliding manner, the horizontal slide rail is a groove, the side edge of the side pressure plate 4 is provided with a second slide block, and the second slide block is connected in the groove in a sliding manner.
Furthermore, an insulating pad is arranged between one end of the compression screw 13, which is not provided with the cap body, and the side pressing plate 4, the insulating pad is fixedly arranged on the compression screw 13 or the side pressing plate 4, and the insulating pad plays an insulating role.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A solid oxide fuel cell stack pressurization device is characterized in that: the method comprises the following steps: the rectangular electric pile comprises an upper pressing frame, a lower pressing frame, an upper pressing plate, a lower pressing plate and four side pressing plates, wherein the upper pressing frame and the lower pressing frame are respectively used for being arranged on the upper side and the lower side of the rectangular electric pile, the upper pressing frame and the lower pressing frame are both arranged horizontally and parallelly, the upper pressing plate is arranged on the upper pressing frame in a parallel and fixed mode, the lower pressing plate is arranged on the lower pressing frame in a parallel and fixed mode, and the side pressing plates are arranged vertically;
the rectangular electric pile pressing device comprises an upper pressing frame, a lower pressing frame, four side pressing devices and a horizontal sliding guide rail, wherein the four side pressing devices are fixedly arranged on the upper pressing frame or the lower pressing frame;
the rectangular electric pile pressing device comprises an upper pressing frame, a lower pressing frame and a guide device, wherein the upper pressing frame is arranged on the upper portion of the rectangular electric pile, the lower pressing frame is arranged on the lower portion of the rectangular electric pile, the vertical pressing frame is arranged on the lower portion of the rectangular electric pile, and the guide device can be used for guiding the upper pressing frame and the lower pressing frame to move vertically.
2. The solid oxide fuel cell stack pressurizing apparatus of claim 1, wherein: the guide device comprises a plurality of guide rods, the vertical pressurizing device comprises a plurality of nuts, one end of each guide rod is provided with a limiting body, the guide rods are vertically arranged, one end, not provided with the limiting body, of each guide rod sequentially penetrates through the lower pressing frame and the upper pressing frame, one end, not provided with the limiting body, of each guide rod is in threaded connection with one nut, and different pressures are applied to the cell stack by adjusting the positions of the nuts on the guide rods.
3. The solid oxide fuel cell stack pressurizing apparatus of claim 2, wherein: each side pressure device comprises a supporting plate and a plurality of compression screws, each supporting plate is parallel to one side pressure plate, the supporting plate is fixedly arranged on the upper pressure frame or the lower pressure frame, one end of each compression screw is provided with a cap body, the compression screws are perpendicular to the supporting plates, one end of each compression screw, which is not provided with the cap body, penetrates through the supporting plate to be compressed on one side pressure plate, and the compression screws are in threaded connection with the supporting plates.
4. The solid oxide fuel cell stack pressurizing apparatus of claim 3, wherein: each side pressure device comprises three compression screws, three threaded holes are formed in the supporting plate, centers of the three threaded holes are connected in pairs to form an equilateral triangle, and the center of the equilateral triangle is located on one central line of the electric pile.
5. The solid oxide fuel cell stack pressurizing apparatus of claim 2, wherein: the vertical pressurizing device further comprises a spring, the spring is sleeved on the guide rod, and the spring is arranged between the lower pressing frame and the limiting body.
6. The solid oxide fuel cell stack pressurizing apparatus of claim 5, wherein: the vertical pressurizing device further comprises two insulating sleeves, the two insulating sleeves are sleeved on the guide rod, one insulating sleeve is arranged between the spring and the lower pressing frame, and the other insulating sleeve is arranged between the nut and the upper pressing frame.
7. The solid oxide fuel cell stack pressurizing apparatus of claim 3, wherein: the upper pressure frame comprises an upper central frame body and four upper supporting components fixedly arranged on the upper central frame body, each upper supporting component comprises two upper supporting rods which extend in the direction away from the galvanic pile and are parallel to each other, the four upper supporting components are perpendicular to the four side pressure plates respectively, and two opposite side surfaces of the two upper supporting rods in each upper supporting component are provided with sliding grooves which extend in the length direction of the upper supporting rods;
the lower pressing frame comprises a lower central frame body and four lower supporting assemblies fixedly arranged on the lower central frame body, each lower supporting assembly comprises two lower supporting rods, one lower supporting rod is arranged right below each upper supporting rod and parallel to the upper supporting rod, and two opposite side surfaces of the two lower supporting rods in each lower supporting assembly are provided with sliding grooves extending along the length direction of the lower supporting rods;
the upper end and the lower end of two side edges of each side pressure plate are respectively provided with a sliding block, each sliding block can be connected in one sliding groove in a sliding mode, and the sliding grooves are the horizontal sliding guide rails.
8. The solid oxide fuel cell stack pressurizing apparatus of claim 7, wherein: four the backup pad is fixed respectively set up in four go up the supporting component and keep away from go up the one end of central support body, each the backup pad with a first recess has all been seted up along vertical direction in the position that the bottom suspension vaulting pole is relative, the bottom suspension vaulting pole stretches into in the first recess and the top tightly in the bottom surface of first recess, the bottom suspension vaulting pole is in can reciprocate in the first recess.
9. The solid oxide fuel cell stack pressurizing apparatus of claim 1, wherein: the horizontal sliding rail is arranged on the upper pressing frame or the lower pressing frame, the upper end of the side pressing plate is connected to the upper pressing frame or the lower end of the side pressing plate in a sliding mode, the lower end of the side pressing plate is connected to the lower pressing frame in a sliding mode, the horizontal sliding rail is a groove, a second sliding block is arranged on the side edge of the side pressing plate, and the second sliding block is connected in the groove in a sliding mode.
10. The solid oxide fuel cell stack pressurizing apparatus of claim 3, wherein: an insulating pad is further arranged between one end, not provided with the cap body, of the compression screw and the side pressing plate, and the insulating pad is fixedly arranged on the compression screw or the side pressing plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010277961.2A CN111463468B (en) | 2020-04-10 | 2020-04-10 | Solid oxide fuel cell stack pressure device |
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| CN202010277961.2A CN111463468B (en) | 2020-04-10 | 2020-04-10 | Solid oxide fuel cell stack pressure device |
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| CN111463468B CN111463468B (en) | 2023-01-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745626A (en) * | 2021-08-06 | 2021-12-03 | 上海治臻新能源装备有限公司 | Fuel cell metal bipolar plate galvanic pile press mounting auxiliary structure |
| CN113948749A (en) * | 2021-10-25 | 2022-01-18 | 氢电中科（广州）新能源设备有限公司 | Hydrogen fuel cell stack integrated management system |
| CN115207428A (en) * | 2022-09-16 | 2022-10-18 | 深圳市氢蓝时代动力科技有限公司 | Fuel cell stack press-mounting method and system thereof |
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| CN102306821A (en) * | 2011-07-08 | 2012-01-04 | 清华大学 | End plate pressing component of redox flow cell galvanic pile |
| CN106827618A (en) * | 2016-12-31 | 2017-06-13 | 歌尔科技有限公司 | A kind of three-dimensional pressurize equipment |
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