CN221099990U - Flat plate type solid oxide fuel cell leakage point detection device - Google Patents
Flat plate type solid oxide fuel cell leakage point detection device Download PDFInfo
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- CN221099990U CN221099990U CN202322613716.6U CN202322613716U CN221099990U CN 221099990 U CN221099990 U CN 221099990U CN 202322613716 U CN202322613716 U CN 202322613716U CN 221099990 U CN221099990 U CN 221099990U
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- battery piece
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- solid oxide
- oxide fuel
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 title claims abstract description 38
- 239000007787 solid Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 239000000700 radioactive tracer Substances 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 33
- 239000003792 electrolyte Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IINNWAYUJNWZRM-UHFFFAOYSA-L erythrosin B Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C21 IINNWAYUJNWZRM-UHFFFAOYSA-L 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a leakage point detection device of a flat plate type solid oxide fuel cell, which comprises a bottom plate provided with an air outlet and a top plate provided with an air inlet; the bottom plate is internally provided with a first cavity communicated with the air outlet, the top of the bottom plate is provided with a bearing plane for bearing the battery piece to be tested, the bearing plane is provided with a plurality of vent holes, and the vent holes are communicated with the first cavity; the periphery of the battery piece to be tested can be connected with the bearing plane in a sealing way, and under the vacuum-pumping leakage detection working condition, gas between the battery piece to be tested and the bearing plane enters the first cavity through the vent hole and is discharged from the gas outlet; the top plate is used for detachably sealing one side of the battery piece to be detected and is opposite to the bottom plate under the tracer gas leakage detection working condition, the top plate is in sealing connection with the battery piece to be detected to form a second cavity which is sealed relatively, the second cavity is communicated with the air inlet, and tracer gas flows into the second cavity from the air inlet to be contacted with the battery piece to be detected.
Description
Technical Field
The utility model relates to the technical field of flat-plate solid oxide fuel cells, in particular to a leakage point detection device of a flat-plate solid oxide fuel cell.
Background
The solid oxide fuel cell (Solid Oxide Fuel Cell, namely SOFC) has the advantages of wide fuel application range, high power generation efficiency, high energy conversion efficiency, recoverable waste heat, environmental protection and the like, has wide application prospect in the fields of large-scale power generation, distributed power generation, cogeneration, transportation, peak regulation and energy storage and the like, is beneficial to energy conservation and emission reduction in China, realizes the targets of peak carbon and carbon neutralization, and has good commercial application prospect.
The flat plate-shaped solid oxide fuel cell is a three-in-one structure formed by sintering an air electrode, an electrolyte and a fuel electrode into a whole, the structure is simpler, the preparation is relatively easier, and the manufacturing cost of the cell is also cheaper. Thus, flat plate solid oxide fuel cells are now a hotspot and mainstream of research on SOFCs internationally. The research trend of the flat solid oxide fuel cell is a medium-temperature fuel cell (the operating temperature is 600-800 ℃), so that the temperature is reduced, the selection range of cell materials is correspondingly enlarged, the running stability and the service life of the cell are improved, and the manufacturing cost of a cell system is reduced.
The SOFC consists of a fuel electrode, an air electrode, and an electrolyte layer, with an electrolyte sandwiched between the fuel electrode and the air electrode. In SOFCs, when oxygen gets electrons at the air electrode, it is reduced to oxygen ions, which are transported through the electrolyte to the fuel electrode. Oxygen ions react in the fuel electrode to release electrons, which flow along an external circuit to the air electrode, thereby generating an electric current. This chemical reaction is continuous in SOFCs and thus can continuously generate electricity without the need to charge or replace the cells as other cells.
The electrolyte in the flat solid oxide fuel cell not only needs to carry out ion transmission to form a conductive path between the cathode and the anode, but also has certain compactness, isolates the gas at two sides of the fuel electrode and the air electrode, and prevents the permeation and mixing of the fuel gas and the oxygen. There is a great need for a detection device to detect the presence or absence of a leak in a battery.
The size of the battery piece (000) to be measured is generally 10x10cm, the thickness is about 0.5mm, the material is ceramic, and the strength is low; the two sides of the battery are provided with a porous layer in the middle, so that the periphery of the battery piece (000) to be detected is provided with a porous structure, and the periphery of the battery piece (000) to be detected needs to be sealed when leakage points are detected. The existing detection means for the problem of battery leakage points is insufficient, only the siphon phenomenon is utilized, and the detection is carried out by detecting whether the fuchsin solution is permeated from the other side of the battery piece after the erythrosin solution drops are arranged on the electrolyte surface of the battery piece.
Disclosure of utility model
The utility model aims to: the utility model aims to solve the technical problem of providing a leakage point detection device for a flat plate type solid oxide fuel cell aiming at the defects of the prior art.
In order to solve the technical problems, the utility model discloses a leakage point detection device of a flat plate type solid oxide fuel cell, which comprises a bottom plate provided with an air outlet and a top plate provided with an air inlet. The novel solar cell is characterized in that a first cavity is formed in the bottom plate and is communicated with the air outlet, a bearing plane used for bearing the cell to be tested is formed in the top of the bottom plate, and a plurality of vent holes are formed in the bearing plane and are communicated with the first cavity. The periphery of the battery piece to be tested can be in sealing connection with the bearing plane, and under the vacuum-pumping leakage-detecting working condition, gas between the battery piece to be tested and the bearing plane enters the first cavity through the vent hole and is discharged from the air outlet. The top plate is used for detachably sealing one side of the battery piece to be detected and is opposite to the bottom plate under the condition of tracer gas leakage detection, the top plate is in sealing connection with the battery piece to be detected to form a second cavity which is sealed relatively, the second cavity is communicated with the air inlet, and tracer gas flows into the second cavity from the air inlet to be contacted with the battery piece to be detected.
Specifically, the device includes intake pipe and outlet duct, the intake pipe with the air inlet intercommunication of roof, the outlet duct with the gas outlet intercommunication of bottom plate.
Specifically, the device includes the elastic component, the battery piece that awaits measuring all around with between the bearing plane and the roof with between the battery piece that awaits measuring all pass through the elastic component sealing connection.
Specifically, the roof is provided with the recess, the air inlet with the recess intercommunication, the roof can with await measuring battery piece sealing connection with the closing cap the recess forms the second cavity of relative sealedly.
Specifically, the size of the groove is smaller than the size of the battery piece to be tested.
Specifically, the roof can with the one side of awaiting measuring battery piece sealing connection is provided with around annular location arch of recess round, the bottom plate be provided with annular location protruding complex annular spacing recess. When the bottom plate supports the battery piece to be tested, the top plate seals the battery piece to be tested, and the annular positioning protrusions are embedded into the annular limiting grooves.
Specifically, the inner edge and the outer edge of the transverse section of the annular positioning protrusion and the annular limiting groove are square.
Specifically, the ventilation holes are uniformly distributed.
Specifically, the bottom plate includes an annular groove, and the elastic member for sealing the periphery of the battery piece to be tested and the supporting plane is disposed in the annular groove
Specifically, the outer edge dimension of the transverse section of the annular groove is larger than the dimension of the battery piece to be tested, and the inner edge dimension of the transverse section of the annular groove is smaller than the dimension of the battery piece to be tested.
The working principle of the leakage point detection device of the utility model is as follows: an elastic piece is placed in the annular groove of the bottom plate, then a battery piece to be tested is placed above the elastic piece, another elastic piece is placed above the battery piece to be tested, and the two elastic pieces are attached to the peripheral edges of the corresponding sides of the battery piece to be tested, so that the buffer sealing effect is achieved. And then the top plate is covered on the battery piece to be tested, and the top plate is pressed on the elastic piece above the battery piece to be tested. At this time, the annular positioning protrusion is embedded and arranged in the annular limiting groove to play a role in fixation. After the top plate and the bottom plate are buckled, the top plate and the bottom plate can be fastened and connected through bolts, so that the top plate is in sealing connection with the battery piece to be tested, and the groove is sealed to form a second cavity which is relatively sealed.
Under the vacuum pumping and leakage detecting working conditions, the air inlet pipe of the detection device is not changed, namely is communicated with the outside atmosphere, and the air outlet pipe is connected with the barometer and the vacuum pump. And opening the vacuum pump, and under the vacuum-pumping leakage-detecting working condition, enabling the gas between the battery piece to be detected and the bearing plane to enter the first cavity through the vent hole and be discharged from the gas outlet. And after the barometer keeps a certain pressure unchanged, the vacuum pump is turned off, whether the barometer has obvious change is observed after a period of time, and whether the battery has a leakage point is judged according to whether the barometer has obvious change.
Under the condition of tracer gas leakage detection, an air inlet pipe of the detection device is connected with the gas pressurizing device, and an air outlet pipe is connected with the gas detection alarm device. After the gas pressurizing device operates, trace gas enters from the gas inlet pipe, flows into the groove through the gas inlet and contacts with the battery piece to be tested. After a period of time, whether the battery piece has a leakage point is judged by judging whether the gas can be detected by the gas detection alarm device.
The beneficial effects are that:
(1) The device is used for detecting the leakage point of the electrolyte layer in the flat plate type solid oxide fuel cell, and can accurately detect whether the electrolyte layer has tiny leakage points invisible to naked eyes.
(2) The utility model is provided with the bearing plane, the bearing plane is communicated with the first cavity through the vent hole, the battery piece is arranged above the vent hole area of the bearing plane in the bottom plate, and under the vacuum pumping and leakage detection working condition, the gas between the battery piece to be tested and the bearing plane enters the first cavity through the vent hole and is discharged from the gas outlet. Under the vacuum pumping leakage detection working condition, the battery piece to be detected is attached to the bearing plane, so that the situation that the battery piece is broken due to too large pressure difference on two sides is avoided.
(3) By placing an elastic member in the annular recess outside the venting area, the elastic member acts as a cushioning seal. Another elastic piece is arranged above the battery piece, and the top plate is pressed above the elastic piece to play a role of buffer sealing.
Drawings
The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.
Fig. 1 is an exploded perspective view of a flat plate type solid oxide fuel cell leakage detection device according to an embodiment of the present application;
FIG. 2 is a schematic perspective view of a bottom plate of the flat-plate solid oxide fuel cell leakage detection device shown in FIG. 1;
FIG. 3 is a cross-sectional view of the base plate shown in FIG. 2;
FIG. 4 is a schematic perspective view of a top plate of the flat-plate solid oxide fuel cell leakage detection device shown in FIG. 1;
fig. 5 is a front cross-sectional view of a flat solid oxide fuel cell leak detection device of the type shown in fig. 1.
In the figure: 000. a battery piece to be tested; 100. a bottom plate; 110. a bearing plane; 111. a vent hole; 120. an annular groove; 130. an annular limit groove; 140. an elastic member; 160. a first cavity; 170. an air outlet; 180. a second cavity; 200. a top plate; 220. a groove; 230. annular positioning protrusions; 240. an air inlet; 300. an air inlet pipe; 400. and an air outlet pipe.
Detailed Description
The technical scheme of the application is described in detail below with reference to the accompanying drawings.
The utility model discloses a leakage point detection device of a flat plate type solid oxide fuel cell, which comprises a bottom plate 100 provided with an air outlet 170 and a top plate 200 provided with an air inlet 240. The bottom plate 100 is internally provided with a first cavity 160, the first cavity 160 is communicated with the air outlet 170, the top of the bottom plate 100 is provided with a bearing plane 110 for bearing the battery piece 000 to be tested, the bearing plane 110 is provided with a plurality of vent holes 111, and the vent holes 111 are communicated with the first cavity 160. The periphery of the battery piece 000 to be tested can be connected with the bearing plane 110 in a sealing way, and under the condition of vacuum-pumping and leakage-detection, gas between the battery piece 000 to be tested and the bearing plane 110 enters the first cavity 160 through the vent hole 111 and is discharged from the gas outlet 170. The top plate 200 is used for detachably covering one side of the battery piece 000 to be tested supported on the supporting plane 110 and is opposite to the bottom plate 100 under the condition of tracer gas leakage detection, the top plate 200 is in sealing connection with the battery piece 000 to be tested to form a second cavity 180 which is sealed relatively, the second cavity 180 is communicated with the air inlet 240, and tracer gas flows into the second cavity 180 from the air inlet 240 to be contacted with the battery piece 000 to be tested.
Specifically, the device includes an air inlet pipe 300 and an air outlet pipe 400, the air inlet pipe 300 is communicated with the air inlet 240 of the top plate 200, and the air outlet pipe 400 is communicated with the air outlet 170 of the bottom plate 100.
Specifically, the device includes an elastic member 140, and the periphery of the battery piece 000 to be tested is hermetically connected to the supporting plane 110 and the top plate 200 is hermetically connected to the battery piece 000 to be tested through the elastic member 140.
Specifically, the top plate 200 is provided with a groove 220, the air inlet 240 is communicated with the groove 220, and the top plate 200 is in sealing connection with the battery piece 000 to be tested to cover the groove 220 to form a second cavity 180 which is relatively sealed.
Specifically, the size of the recess 220 is smaller than the size of the battery cell 000 to be measured.
Specifically, the side of the top plate 200, which can be in sealing connection with the battery cell 000 to be measured, is provided with an annular positioning protrusion 230 surrounding the groove 220 in a circle, and the bottom plate 100 is provided with an annular limiting groove 130 cooperating with the annular positioning protrusion 230. When the bottom plate 100 supports the battery cell 000 to be tested and the top plate 200 covers the battery cell 000 to be tested, the annular positioning protrusion 230 is embedded in the annular limiting groove 130.
Specifically, the inner edges and the outer edges of the transverse cross sections of the annular positioning protrusion 230 and the annular limiting groove 130 are square.
Specifically, the ventilation holes 111 are uniformly distributed.
Specifically, the base plate 100 includes an annular groove 120, and elastic members 140 for sealing the periphery of the battery cell 000 to be measured and supporting the flat surface 110 are disposed in the annular groove 120. Optionally, an annular groove 120 is provided in the support plane 110 outside the area where the ventilation holes are provided.
Specifically, the outer edge dimension of the transverse cross section of the annular groove 120 is larger than the dimension of the battery piece 000 to be measured, and the inner edge dimension of the transverse cross section of the annular groove 120 is smaller than the dimension of the battery piece 000 to be measured.
Further, the base plate 100 is also provided with a handle 150 to facilitate movement of the device.
Specifically, the bottom plate 100 is fastened to the top plate 200 by fasteners such as bolts 210.
The working principle of the leakage point detection device of the utility model is as follows: an elastic member 140 is disposed in the annular groove 120 of the bottom plate 100, then a battery piece 000 to be tested is disposed above the elastic member 140, and another elastic member 140 is disposed above the battery piece 000 to be tested, and the two elastic members 140 are attached to the peripheral edges of the corresponding sides of the battery piece 000 to be tested, so as to play a role of buffer sealing. The top plate 200 is then sealed over the battery cell 000 to be tested, and the top plate 200 is pressed against the elastic member 140 over the battery cell 000 to be tested. At this time, the annular positioning protrusion 230 is embedded in the annular limiting groove 130, and plays a role in fixation. When the top plate 200 and the bottom plate 100 are fastened, the top plate 200 and the bottom plate 100 can be fastened by using bolts 210, so that the top plate 200 is in sealing connection with the battery piece 000 to be tested, and the cover recess 220 forms the second cavity 180 which is relatively sealed.
In the first embodiment, under the vacuum-pumping leakage-detecting working condition, the air inlet pipe of the detection device is not changed, namely is communicated with the external atmosphere, and the air outlet pipe is connected with the barometer and the vacuum pump. The vacuum pump is turned on, and under the vacuum-pumping and leakage-detecting working condition, the gas between the battery piece 000 to be tested and the supporting plane 110 enters the first cavity 160 through the vent hole 111 and is discharged from the gas outlet 170. And after the barometer keeps a certain pressure unchanged, the vacuum pump is turned off, whether the barometer has obvious change is observed after a period of time, and whether the battery has a leakage point is judged according to whether the barometer has obvious change.
In the second embodiment, under the condition of tracer gas leakage detection, an air inlet pipe of the detection device is connected with the gas pressurizing device, and an air outlet pipe is connected with the gas detection alarm device. After the gas pressurizing device is operated, trace gas enters from the gas inlet pipe and flows into the groove 220 through the gas inlet 240 to be contacted with the battery piece 000 to be tested. After a period of time, whether the battery piece has a leakage point is judged by judging whether the gas can be detected by the gas detection alarm device.
The utility model provides a thought and a method for a flat plate type solid oxide fuel cell leakage point detection device, and the method and the way for realizing the technical scheme are numerous, the above description is only a preferred embodiment of the utility model, and it should be pointed out that a plurality of improvements and modifications can be made to those skilled in the art without departing from the principle of the utility model, and the improvements and the modifications are also regarded as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.
Claims (10)
1. The leakage point detection device of the flat plate type solid oxide fuel cell is characterized by comprising a bottom plate (100) provided with an air outlet (170) and a top plate (200) provided with an air inlet (240); the battery pack comprises a bottom plate (100), wherein a first cavity (160) is formed in the bottom plate (100), the first cavity (160) is communicated with an air outlet (170), a bearing plane (110) for bearing a battery piece (000) to be tested is formed in the top of the bottom plate (100), a plurality of vent holes (111) are formed in the bearing plane (110), and each vent hole (111) is communicated with the first cavity (160); the periphery of the battery piece (000) to be tested can be connected with the bearing plane (110) in a sealing way, and under the vacuum-pumping and leakage-detecting working condition, gas between the battery piece (000) to be tested and the bearing plane (110) enters the first cavity (160) through the vent hole (111) and is discharged from the gas outlet (170); the top plate (200) is used for detachably sealing one side of the battery piece (000) to be detected and is opposite to the bottom plate (100) under the condition of tracer gas leakage detection, the top plate (200) is in sealing connection with the battery piece (000) to be detected to form a second cavity (180) which is sealed relatively, the second cavity (180) is communicated with the air inlet (240), and tracer gas flows into the second cavity (180) from the air inlet (240) to be contacted with the battery piece (000) to be detected.
2. The flat plate type solid oxide fuel cell leakage point detection device according to claim 1, comprising an air inlet pipe (300) and an air outlet pipe (400), wherein the air inlet pipe (300) is communicated with an air inlet (240) of the top plate (200), and the air outlet pipe (400) is communicated with an air outlet (170) of the bottom plate (100).
3. The device for detecting leakage points of a flat solid oxide fuel cell according to claim 1, comprising an elastic member (140), wherein the periphery of the cell (000) to be detected is hermetically connected with the supporting plane (110) and the top plate (200) is hermetically connected with the cell (000) to be detected through the elastic member (140).
4. A flat plate type solid oxide fuel cell leakage detection device according to claim 3, wherein the top plate (200) is provided with a groove (220), the air inlet (240) is communicated with the groove (220), and the top plate (200) can be connected with the cell (000) to be detected in a sealing manner so as to cover the groove (220) to form a second cavity (180) which is sealed relatively.
5. The flat plate type solid oxide fuel cell leakage point detection device according to claim 4, wherein the size of the groove (220) is smaller than the size of the cell (000) to be detected.
6. The flat plate type solid oxide fuel cell leakage point detection device according to claim 5, wherein an annular positioning protrusion (230) surrounding the groove (220) is arranged on one side of the top plate (200) which can be in sealing connection with the cell (000) to be detected, and an annular limiting groove (130) matched with the annular positioning protrusion (230) is arranged on the bottom plate (100); when the bottom plate (100) supports the battery piece (000) to be detected, the top plate (200) seals the battery piece (000) to be detected, and the annular positioning protrusion (230) is embedded into the annular limiting groove (130).
7. The flat plate type solid oxide fuel cell leakage detection device according to claim 6, wherein the inner edge and the outer edge of the transverse cross section of the annular positioning protrusion (230) and the annular limiting groove (130) are square.
8. A flat plate type solid oxide fuel cell leakage point detection device according to claim 7, wherein the ventilation holes (111) are uniformly distributed.
9. The flat plate type solid oxide fuel cell leakage point detection device according to claim 8, wherein the bottom plate (100) comprises an annular groove (120), and the elastic member (140) for sealing the periphery of the cell (000) to be detected and the supporting plane (110) is placed in the annular groove (120).
10. The flat plate type solid oxide fuel cell leakage point detection device according to claim 9, wherein the outer edge dimension of the transverse section of the annular groove (120) is larger than the dimension of the cell (000) to be detected, and the inner edge dimension of the transverse section of the annular groove (120) is smaller than the dimension of the cell (000) to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322613716.6U CN221099990U (en) | 2023-09-26 | 2023-09-26 | Flat plate type solid oxide fuel cell leakage point detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322613716.6U CN221099990U (en) | 2023-09-26 | 2023-09-26 | Flat plate type solid oxide fuel cell leakage point detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221099990U true CN221099990U (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322613716.6U Active CN221099990U (en) | 2023-09-26 | 2023-09-26 | Flat plate type solid oxide fuel cell leakage point detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221099990U (en) |
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2023
- 2023-09-26 CN CN202322613716.6U patent/CN221099990U/en active Active
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