CN219873604U - Single cell sealing assembly - Google Patents
Single cell sealing assembly Download PDFInfo
- Publication number
- CN219873604U CN219873604U CN202321262179.9U CN202321262179U CN219873604U CN 219873604 U CN219873604 U CN 219873604U CN 202321262179 U CN202321262179 U CN 202321262179U CN 219873604 U CN219873604 U CN 219873604U
- Authority
- CN
- China
- Prior art keywords
- channel hole
- pen film
- pen
- cooling liquid
- single cell
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 239000002390 adhesive tape Substances 0.000 claims abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 26
- 239000000110 cooling liquid Substances 0.000 claims description 22
- 239000001257 hydrogen Substances 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 229910001882 dioxygen Inorganic materials 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 238000004080 punching Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 9
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 33
- 239000011112 polyethylene naphthalate Substances 0.000 description 33
- 239000000446 fuel Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920006290 polyethylene naphthalate film Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a single cell sealing assembly which comprises a PEN film, wherein a cathode plate and an anode plate are respectively arranged on two sides of the PEN film, a runner area is arranged in the middle of two sides of the PEN film, a first punching belt is arranged on the PEN film around the periphery of the PEN film, a second punching belt is arranged on the PEN film and positioned at two ends of the runner area in the length direction, the first punching belt and the second punching belt respectively comprise a plurality of through holes, a first adhesive tape which covers the first punching belt and the second punching belt is arranged on the PEN film, and the first adhesive tape passes through the through holes and is distributed on two sides of the PEN film. The single cell sealing assembly has good sealing performance, and can avoid the problems of short service life and poor stacking of cells caused by liquid leakage and liquid stringing.
Description
Technical Field
The utility model relates to the technical field of hydrogen fuel cells, in particular to a single cell sealing assembly.
Background
A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electric energy. The basic principle is that the reverse reaction of electrolyzed water supplies hydrogen and oxygen to the anode and the cathode respectively, and after hydrogen diffuses outwards through the anode and reacts with electrolyte, electrons are released and reach the cathode through an external load. Common hydrogen fuel cells are usually in the form of stacks, each stack comprising a plurality of cells stacked in sequence, each cell comprising a central membrane electrode and bipolar plates on both sides, the bipolar plates and the membrane electrodes being sealed by seals to contain electrolyte. The connection between the single cells is accomplished by the electrode plates.
At present, a common sealing technical route of the hydrogen fuel cell is that PEN (polyethylene naphthalate) film is used for sealing by injecting glue or a monopole plate is used for sealing by injecting glue, and no matter which scheme is used later, the PEN film is assembled with the rest parts, so that the PEN film cannot be completely sealed, and the PEN film and the monopole plate have the risk of gas leakage and liquid leakage.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a single cell sealing assembly which has good sealing performance and can avoid the problems of short service life and poor stacking of cells caused by liquid leakage and liquid stringing.
In order to achieve the above purpose, the single cell sealing assembly comprises a PEN film, wherein the two sides of the PEN film are respectively provided with a cathode plate and an anode plate, the middle parts of the two sides of the PEN film are provided with a runner area, a first punching belt surrounding the periphery of the PEN film is arranged on the PEN film, a second punching belt positioned at the two ends of the runner area in the length direction is arranged on the PEN film, the first punching belt and the second punching belt respectively comprise a plurality of through holes, the PEN film is provided with first adhesive tapes covered on the first punching belt and the second punching belt, and the first adhesive tapes penetrate through the through holes and are distributed on the two sides of the PEN film.
Further, one end of the PEN film in the length direction is provided with a hydrogen input channel hole, a cooling liquid channel hole and an oxygen input channel hole which are arranged along the width direction of the PEN film, and the other end of the PEN film in the length direction is provided with a hydrogen output channel hole, a cooling liquid channel hole and an oxygen output channel hole which are arranged along the width direction of the PEN film.
Further, second adhesive tapes are respectively arranged between the hydrogen input channel hole and the cooling liquid channel hole, between the cooling liquid channel hole and the oxygen input channel hole, between the hydrogen output channel hole and the cooling liquid channel hole and between the cooling liquid channel hole and the oxygen output channel hole, and are arranged on two sides of the PEN film.
Further, openings corresponding to the hydrogen input channel hole, the oxygen input channel hole, the hydrogen output channel hole, the oxygen output channel hole and the cooling liquid channel hole are respectively formed in the cathode plate and the anode plate.
Further, the openings of the cathode plate and the anode plate at one end of the PEN film are raised.
Further, openings corresponding to the flow channel regions are respectively formed in the cathode plate and the anode plate.
The single cell sealing component has good sealing performance, and can avoid the problems of short service life and poor stacking of cells caused by liquid leakage and liquid stringing.
Drawings
The utility model is further described and illustrated below with reference to the accompanying drawings.
Fig. 1 is a schematic view showing the overall structure of a cell sealing assembly according to a preferred embodiment of the present utility model.
Fig. 2 is an exploded view of the cell sealing assembly.
Fig. 3 is a schematic view of the structure of the cell seal assembly after removal of the anode plate.
Reference numerals: 1. a PEN film; 11. a flow passage region; 12. a first perforated belt; 13. a second perforated belt; 14. a hydrogen gas input passage hole; 15. a cooling liquid passage hole; 16. an oxygen input channel hole; 17. a hydrogen output passage hole; 18. an oxygen output passage hole; 2. a cathode plate; 3. an anode plate; 41. a first adhesive tape; 42. and a second adhesive tape.
Detailed Description
The technical solution of the present utility model will be more clearly and completely explained by the description of the preferred embodiments of the present utility model with reference to the accompanying drawings.
As shown in fig. 1 and 2, the cell sealing assembly according to the preferred embodiment of the present utility model includes a PEN film 1, both sides of which PEN film 1 are provided with a cathode plate 2 and an anode plate 3, respectively.
As shown in fig. 2 and 3, a flow channel region 11 is provided in the middle of both sides of the PEN film 1, one end of the PEN film 1 in the length direction is provided with a hydrogen gas input channel hole 14, a cooling liquid channel hole 15 and an oxygen gas input channel hole 16 arranged in the width direction of the PEN film 1, and the other end of the PEN film 1 in the length direction is provided with a hydrogen gas output channel hole 17, a cooling liquid channel hole 15 and an oxygen gas output channel hole 18 arranged in the width direction of the PEN film 1. The cathode plate 2 and the anode plate 3 are respectively provided with openings corresponding to the hydrogen input channel hole 14, the oxygen input channel hole 16, the hydrogen output channel hole 17, the oxygen output channel hole 18 and the cooling liquid channel hole 15, and the openings of the cathode plate 2 and the anode plate 3 at one end of the PEN film 1 are raised. Openings corresponding to the flow channel regions 11 are respectively formed in the cathode plate 2 and the anode plate 3, thereby forming channels.
As shown in fig. 2 and 3, a first perforated belt 12 is arranged on the PEN film 1 around the periphery of the PEN film, a second perforated belt 13 is arranged on the PEN film 1 and positioned at two ends of the runner area 11 in the length direction, the first perforated belt 12 and the second perforated belt 13 respectively comprise a plurality of through holes, and the first perforated belt 12 and the second perforated belt 13 respectively perform plasma treatment so as to facilitate subsequent processing.
As shown in fig. 2 and 3, the PEN film 1 is provided with a first adhesive tape 41 covering the first perforated belt 12 and the second perforated belt 13, and the first adhesive tape 41 passes through the through holes and is distributed on both sides of the PEN film 1. Second rubber strips 42 are respectively arranged between the hydrogen input channel hole 14 and the cooling liquid channel hole 15, between the cooling liquid channel hole 15 and the oxygen input channel hole 16, between the hydrogen output channel hole 17 and the cooling liquid channel hole 15 and between the cooling liquid channel hole 15 and the oxygen output channel hole 18, and the second rubber strips 42 are arranged on two sides of the PEN film 1. The whole single cell sealing assembly can form good sealing after being heated and vulcanized.
The single cell sealing component has good sealing performance, and can avoid the problems of short service life and poor stacking of cells caused by liquid leakage and liquid stringing.
The above detailed description is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Various modifications, substitutions and improvements of the technical scheme of the present utility model will be apparent to those skilled in the art from the description and drawings provided herein without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the claims.
Claims (6)
1. The utility model provides a single cell seal assembly, its characterized in that, includes PEN membrane (1), the both sides of PEN membrane (1) are equipped with negative plate (2) and anode plate (3) respectively, the middle part on both sides of PEN membrane (1) is equipped with runner district (11), be equipped with on PEN membrane (1) around first perforation area (12) of periphery, be equipped with on PEN membrane (1) and be located second perforation area (13) at runner district (11) length direction both ends, first perforation area (12) and second perforation area (13) include a plurality of through-holes respectively, be equipped with first adhesive tape (41) of cover on first perforation area (12) and second perforation area (13) on PEN membrane (1), first adhesive tape (41) pass the through-hole and distribute on the both sides of PEN membrane (1).
2. The single cell sealing assembly according to claim 1, wherein one end of the PEN film (1) in the length direction is provided with a hydrogen gas input channel hole (14), a cooling liquid channel hole (15) and an oxygen gas input channel hole (16) which are arranged along the width direction of the PEN film (1), and the other end of the PEN film (1) in the length direction is provided with a hydrogen gas output channel hole (17), a cooling liquid channel hole (15) and an oxygen gas output channel hole (18) which are arranged along the width direction of the PEN film (1).
3. The single cell sealing assembly according to claim 2, wherein second adhesive strips (42) are respectively arranged between the hydrogen input channel hole (14) and the cooling liquid channel hole (15), between the cooling liquid channel hole (15) and the oxygen input channel hole (16), between the hydrogen output channel hole (17) and the cooling liquid channel hole (15) and between the cooling liquid channel hole (15) and the oxygen output channel hole (18), and the second adhesive strips (42) are arranged on two sides of the PEN film (1).
4. The single cell sealing assembly according to claim 2, wherein openings corresponding to the hydrogen input channel hole (14), the oxygen input channel hole (16), the hydrogen output channel hole (17), the oxygen output channel hole (18) and the cooling liquid channel hole (15) are respectively formed on the cathode plate (2) and the anode plate (3).
5. The single cell sealing assembly according to claim 4, wherein the openings of the cathode plate (2) and the anode plate (3) at one end of the PEN film (1) are raised.
6. The cell sealing assembly according to claim 4, wherein openings corresponding to the flow channel regions (11) are respectively provided on the cathode plate (2) and the anode plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262179.9U CN219873604U (en) | 2023-05-23 | 2023-05-23 | Single cell sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262179.9U CN219873604U (en) | 2023-05-23 | 2023-05-23 | Single cell sealing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873604U true CN219873604U (en) | 2023-10-20 |
Family
ID=88371894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321262179.9U Active CN219873604U (en) | 2023-05-23 | 2023-05-23 | Single cell sealing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873604U (en) |
-
2023
- 2023-05-23 CN CN202321262179.9U patent/CN219873604U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |