CN220306291U - Frame assembly for fuel cell membrane electrode - Google Patents
Frame assembly for fuel cell membrane electrode Download PDFInfo
- Publication number
- CN220306291U CN220306291U CN202321858102.8U CN202321858102U CN220306291U CN 220306291 U CN220306291 U CN 220306291U CN 202321858102 U CN202321858102 U CN 202321858102U CN 220306291 U CN220306291 U CN 220306291U
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- CN
- China
- Prior art keywords
- fuel cell
- cell membrane
- membrane electrode
- pressure
- frame body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 210000000170 cell membrane Anatomy 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 4
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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 relates to the technical field of fuel cell membrane electrodes, and discloses a frame assembly for a fuel cell membrane electrode, which comprises two bipolar plates, clamping plates and sealing gaskets, wherein two pressure-resistant plates are arranged between the two bipolar plates, and two sealing frame bodies are arranged between the two pressure-resistant plates. This a frame component for fuel cell membrane electrode has set up the bipolar plate that adopts carbon paper to make, and carbon paper has good conductivity and corrosion resistance, and the compressive resistance board adopts graphite felt material to make, bears the pressure of whole battery pile to evenly transmit the pressure to inside each subassembly, ensure the stability and the pressure evenly distributed of battery pile, splint and compressive resistance board cooperate, have promoted the intensity of structure, have set up the sealed pad that adopts fluororubber to make, and chemical corrosion resistance performance is outstanding, and circular shape cross-section can produce deformation when sealed frame body presss from both sides tight installation, promotes sealed effect.
Description
Technical Field
The utility model relates to the technical field of fuel cell membrane electrodes, in particular to a frame assembly for a fuel cell membrane electrode.
Background
The membrane electrode sealing frame of the proton exchange membrane fuel cell is a structure for packaging and fixing the proton exchange membrane and the electrode materials around the proton exchange membrane. Its main function is to ensure good tightness of proton exchange membrane and electrode layer, prevent leakage of hydrogen, oxygen and reaction products, and provide stable mechanical support, membrane electrode sealing of membrane fuel cell is very important, and poor sealing can cause safety accident, so a frame component for membrane electrode of fuel cell is provided to solve the above-mentioned problems.
However, the existing fuel cell membrane electrode frame assembly is not provided with an auxiliary positioning structure, is inconvenient to rapidly assemble, cannot accelerate production efficiency, and has poor practicability.
Disclosure of Invention
(one) solving the technical problems
In view of the shortcomings of the prior art, the present utility model provides a frame assembly for a fuel cell membrane electrode that addresses the problems set forth in the background above.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a frame subassembly for fuel cell membrane electrode, includes bipolar plate, splint and sealed pad, bipolar plate is provided with two, two be provided with two anti-pressure plates between the bipolar plate, two be provided with two sealed frame body between the anti-pressure plate, the elongated slot has been seted up at sealed frame body's top, two be provided with the membrane body between the sealed frame body, the runner has been seted up on bipolar plate's surface, the constant head tank has been seted up on bipolar plate's surface.
Preferably, the bipolar plates are made of carbon paper, and the two bipolar plates are symmetrically arranged.
Through the technical scheme, the bipolar plate made of the carbon paper is arranged, and the carbon paper has good conductivity and corrosion resistance.
Preferably, the pressure-resistant plate is made of graphite felt material, and the clamping plate is made of carbon paper material.
Through above-mentioned technical scheme, the pressure-resistant board adopts graphite felt material to make, bears the pressure of whole battery pile to with each subassembly of pressure uniform transmission for inside, ensure the stability and the pressure evenly distributed of battery pile, splint and pressure-resistant board cooperate, have promoted the intensity of structure.
Preferably, the sealing frame body is made of stainless steel, and the long groove is matched with the sealing gasket.
Through above-mentioned technical scheme, sealed frame body adopts stainless steel to make, presss from both sides tight battery pack, ensures good sealed and mechanical stability, has set up the elongated slot, is convenient for fix sealed the pad, has promoted sealed effect, has reduced the degree of difficulty of equipment.
Preferably, the sealing gasket is made of fluororubber, and the cross section of the sealing gasket is circular.
Through above-mentioned technical scheme, set up the sealed pad that adopts fluororubber to make, chemical corrosion resistance is outstanding, and circular cross-section can produce deformation when sealed frame body presss from both sides tight installation, promotes sealed effect.
Preferably, the flow channels are uniformly arranged on the surface of the bipolar plate, the sealing frame body is connected with the sealing gasket through polymer sealant in an adhesive mode, positioning grooves are formed in the bipolar plate and the sealing frame body, and the bipolar plate is connected with the sealing frame body through bolts in a locking mode.
Through above-mentioned technical scheme, set up even runner, through guiding hydrogen and oxygen to the electrode surface, provide sufficient reactant for electrochemical reaction, even gas distribution can provide more even reaction rate and reaction efficiency to improve the performance of battery, set up the constant head tank, when assembling, install fast according to positioner and constant head tank adaptation, promoted production efficiency.
Compared with the prior art, the utility model provides a frame assembly for a fuel cell membrane electrode, which has the following beneficial effects:
1. this a frame subassembly for fuel cell membrane electrode has set up the bipolar plate that adopts carbon paper to make, carbon paper has good conductivity and corrosion resistance, and the compressive resistance board adopts graphite felt material to make, bear the pressure of whole battery pile to evenly transmit the pressure to inside each subassembly, ensure the stability and the pressure evenly distributed of battery pile, splint and compressive resistance board cooperate, promoted the intensity of structure, sealed frame body adopts stainless steel to make, press from both sides tight battery module, ensure good sealed and mechanical stability, set up the elongated slot, be convenient for fixed sealing pad, promoted sealed effect, the degree of difficulty of equipment has been reduced.
2. This a frame component for fuel cell membrane electrode has set up the sealed pad that adopts fluororubber to make, and chemical corrosion resistance performance is outstanding, and circular shape cross-section can produce deformation when sealed frame body presss from both sides tight installation, promotes sealed effect, has set up even runner, through guiding hydrogen and oxygen to the electrode surface, provides sufficient reactant for electrochemical reaction, and even gas distribution can provide more even reaction rate and reaction efficiency to improve the performance of battery, set up the constant head tank, when assembling, install according to positioner and constant head tank adaptation, install fast, promoted production efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a split structure according to the present utility model;
FIG. 3 is a diagram showing a second split structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of the present utility model.
Wherein: 1. a bipolar plate; 2. a pressure resistant plate; 3. a clamping plate; 4. sealing the frame body; 5. a long groove; 6. a sealing gasket; 7. a film body; 8. a flow passage; 9. and a positioning groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-4, the frame assembly for a fuel cell membrane electrode provided by the utility model comprises two bipolar plates 1, clamping plates 3 and sealing gaskets 6, wherein two pressure resistant plates 2 are arranged between the two bipolar plates 1, two sealing frame bodies 4 are arranged between the two pressure resistant plates 2, long grooves 5 are formed in the tops of the sealing frame bodies 4, a membrane body 7 is arranged between the two sealing frame bodies 4, a flow channel 8 is formed in the surface of the bipolar plate 1, and positioning grooves 9 are formed in the surface of the bipolar plate 1.
The frame assembly for the membrane electrode of the fuel cell is reasonable in structure, the positioning assembly is matched with the positioning groove 9 of the bipolar plate 1 and the sealing frame body 4 during assembly, the sealing frame body 4 is bonded and connected with the sealing gasket 6, the membrane body 7 is clamped, the clamping plate 3 and the anti-pressure plate 2 are fixed from the upper end and the lower end of the membrane body 7, the bipolar plate 1 is arranged on the outermost layer, and finally a plurality of assemblies are fixedly connected through bolts, so that a plurality of assemblies are tightly connected.
Specifically, the bipolar plates 1 are made of carbon paper, and the two bipolar plates 1 are symmetrically arranged. The bipolar plate 1 made of carbon paper is provided, and the carbon paper has good conductivity and corrosion resistance.
Specifically, the compression resistant plate 2 is made of graphite felt material, and the clamping plate 3 is made of carbon paper material. The advantage is, and compressive resistance board 2 adopts graphite felt material to make, bears the pressure of whole battery pile to with each subassembly of pressure uniform transmission for inside, ensure the stability and the pressure evenly distributed of battery pile, splint 3 cooperatees with compressive resistance board 2, has promoted the intensity of structure.
Specifically, the sealing frame body 4 is made of stainless steel, and the long groove 5 is matched with the sealing gasket 6. The sealing frame has the advantages that the sealing frame body 4 is made of stainless steel materials, the battery assembly is clamped, good sealing and mechanical stability are guaranteed, the long groove 5 is formed, the sealing gasket 6 is convenient to fix, the sealing effect is improved, and the assembling difficulty is reduced.
Embodiment two:
as shown in fig. 2-4, as an improvement over the previous embodiment.
Specifically, the gasket 6 is made of fluororubber, and the cross-sectional shape of the gasket 6 is circular. The sealing gasket 6 has the advantages that the sealing gasket 6 made of fluororubber is arranged, the chemical corrosion resistance is excellent, the circular cross section can deform when the sealing frame body 4 is clamped and installed, and the sealing effect is improved.
Specifically, runner 8 evenly sets up on bipolar plate 1 surface, and sealed frame body 4 passes through polymer sealant bonding and connects sealed 6, and bipolar plate 1, sealed frame body 4 all have seted up constant head tank 9, and bipolar plate 1 passes through the bolt locking with sealed frame body 4 and connects. The advantage is, has set up even runner 8, through guiding hydrogen and oxygen to the electrode surface, provides sufficient reactant for electrochemical reaction, and even gas distribution can provide more even reaction rate and reaction efficiency to improve the performance of battery, set up constant head tank 9, when assembling, install fast according to positioner and constant head tank 9 adaptation, promoted production efficiency.
Working principle: during assembly, the positioning component is adapted to the positioning groove 9 of the bipolar plate 1 and the sealing frame body 4, the sealing frame body 4 is bonded and connected with the sealing gasket 6, the membrane body 7 is clamped, the clamping plate 3 and the pressure-resistant plate 2 are fixed from the upper end and the lower end of the membrane body 7, the bipolar plate 1 is arranged on the outermost layer, and finally a plurality of components are fixedly connected through bolts, so that the components are tightly connected, the frame component for the fuel cell membrane electrode is provided with the bipolar plate 1 made of carbon paper, the carbon paper has good conductivity and corrosion resistance, the pressure-resistant plate 2 is made of graphite felt material, bears the pressure of the whole cell stack and uniformly transmits the pressure to each component in the interior, the stability and the uniform pressure distribution of the cell stack are ensured, the clamping plate 3 is matched with the pressure-resistant plate 2, the strength of the structure is improved, the sealed frame body 4 adopts stainless steel to make, press from both sides tight battery pack, ensure good sealed and mechanical stability, the elongated slot 5 has been set up, be convenient for fixed sealing pad 6, the sealed effect has been promoted, the degree of difficulty of equipment has been reduced, the sealed pad 6 that adopts fluororubber to make has been set up, the chemical resistance performance is outstanding, circular shape cross-section can produce deformation when sealed frame body 4 presss from both sides tight installation, promote sealed effect, even runner 8 has been set up, through guiding hydrogen and oxygen to the electrode surface, provide sufficient reactant for electrochemical reaction, even gas distribution can provide more even reaction rate and reaction efficiency, thereby improve the performance of battery, the constant head tank 9 has been set up, when assembling, install according to positioner and constant head tank 9 adaptation, quick installation, production efficiency has been promoted.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A frame assembly for a fuel cell membrane electrode comprising a bipolar plate (1), a clamping plate (3) and a gasket (6), characterized in that: the bipolar plate (1) is provided with two, two be provided with two compressive resistance boards (2) between bipolar plate (1), two be provided with two sealed frame body (4) between compressive resistance board (2), elongated slot (5) have been seted up at the top of sealed frame body (4), two be provided with membrane body (7) between sealed frame body (4), runner (8) have been seted up on the surface of bipolar plate (1), constant head tank (9) have been seted up on the surface of bipolar plate (1).
2. A frame assembly for a fuel cell membrane electrode according to claim 1, wherein: the bipolar plates (1) are made of carbon paper, and the two bipolar plates (1) are symmetrically arranged.
3. A frame assembly for a fuel cell membrane electrode according to claim 1, wherein: the compression-resistant plate (2) is made of graphite felt materials, and the clamping plate (3) is made of carbon paper materials.
4. A frame assembly for a fuel cell membrane electrode according to claim 1, wherein: the sealing frame body (4) is made of stainless steel, and the long groove (5) is matched with the sealing gasket (6).
5. A frame assembly for a fuel cell membrane electrode according to claim 1, wherein: the sealing gasket (6) is made of fluororubber, and the cross section of the sealing gasket (6) is circular.
6. A frame assembly for a fuel cell membrane electrode according to claim 1, wherein: the flow channel (8) is uniformly arranged on the surface of the bipolar plate (1), the sealing frame body (4) is connected with the sealing gasket (6) through polymer sealant in an adhesive mode, the bipolar plate (1) and the sealing frame body (4) are provided with positioning grooves (9), and the bipolar plate (1) is connected with the sealing frame body (4) through bolt locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321858102.8U CN220306291U (en) | 2023-07-14 | 2023-07-14 | Frame assembly for fuel cell membrane electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321858102.8U CN220306291U (en) | 2023-07-14 | 2023-07-14 | Frame assembly for fuel cell membrane electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306291U true CN220306291U (en) | 2024-01-05 |
Family
ID=89348791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321858102.8U Active CN220306291U (en) | 2023-07-14 | 2023-07-14 | Frame assembly for fuel cell membrane electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306291U (en) |
-
2023
- 2023-07-14 CN CN202321858102.8U patent/CN220306291U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |