CN116706119A - Unit cell protection device for fuel cell stack - Google Patents
Unit cell protection device for fuel cell stack Download PDFInfo
- Publication number
- CN116706119A CN116706119A CN202310956515.8A CN202310956515A CN116706119A CN 116706119 A CN116706119 A CN 116706119A CN 202310956515 A CN202310956515 A CN 202310956515A CN 116706119 A CN116706119 A CN 116706119A
- Authority
- CN
- China
- Prior art keywords
- substrate
- component
- sealing piece
- graphite bipolar
- fixedly connected
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 60
- 239000010439 graphite Substances 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims abstract description 18
- 239000012790 adhesive layer Substances 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 42
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 4
- 101100481408 Danio rerio tie2 gene Proteins 0.000 description 3
- 101100481410 Mus musculus Tek gene Proteins 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
-
- 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
-
- 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
Abstract
The application discloses a unit cell protection device for a fuel cell stack, which comprises a first substrate, a second substrate, a reinforcement component and a protection component; the first base plate and the second base plate are fixedly pressed, the unit cells comprise graphite bipolar plates, the first base plate is connected with the second base plate through a reinforcing component, a protecting component is arranged between the reinforcing component and the edge of each unit cell, the protecting component comprises a single-sided pressure-sensitive adhesive interlayer, a non-adhesive layer of the single-sided pressure-sensitive adhesive interlayer is fixedly connected with one side, facing the graphite bipolar plates, of a supporting component, of the supporting component, an adhesive layer of the single-sided pressure-sensitive adhesive interlayer is tightly attached to the edges, facing the supporting rod, of an anode sealing piece, the graphite bipolar plates, a cathode sealing piece and a fixing frame, graphite particles generated when the graphite bipolar plates are affected by external force are processed through the protecting component, the graphite particles are prevented from scattering from one side of the reinforcing component, and leakage current is generated between two adjacent unit cells.
Description
Technical Field
The application relates to the technical field of fuel cell stacks, in particular to a unit cell protection device for a fuel cell stack.
Background
Fuel cell technology is increasingly being applied to a variety of fields as a clean and efficient power generation technology. The existing fuel cell stack is developed in a high power direction, and because the stack is composed of a plurality of unit cells, resulting in a long stack length, it is inevitable to fix the edges thereof by some fixing means. These reinforcement members are required to be placed between the bands and the unit cell blocks or to be fixed on the anode and cathode substrates in order to prevent the unit cells from moving during impact and vibration, the long edges of each unit cell are restrained by rigid rods or mats fixed on the rods to prevent them from moving, and as such, there is an unavoidable contact relationship between the fixing means and the edges of the unit cells due to external force factors, thereby causing conductive graphite particles of the graphite bipolar plates in the unit cells to be transferred from the edges to the support bars or buffer surfaces, and the conductive particles generate leakage current between two adjacent unit cells, causing problems of low battery performance and edge short circuit.
Disclosure of Invention
In view of the above-described deficiencies of the prior art, the present application provides a cell protection device for a fuel cell stack.
A unit cell protection device for a fuel cell stack includes a first substrate, a second substrate, a reinforcement member, and a protection member;
a plurality of unit cells are pressed and fixed between the first substrate and the second substrate, the unit cells comprise graphite bipolar plates, the first substrate and the second substrate are symmetrically and fixedly connected through the reinforcing component, the protecting component is arranged between the reinforcing component and the edge of each unit cell, the protecting component comprises an adsorption type protecting component, the adsorption type protecting component comprises a single-sided pressure sensitive adhesive interlayer, the non-adhesive layer of the single-sided pressure-sensitive adhesive interlayer is fixedly connected with one side, facing the graphite bipolar plate, of the supporting component, the adhesive layer of the single-sided pressure-sensitive adhesive interlayer is clung to the edges, facing the supporting rod direction, of the anode sealing piece, the graphite bipolar plate, the cathode sealing piece and the fixing frame, and the adsorption type protection component is used for preventing the edges of each unit cell from being in direct contact with the reinforcing component.
In some alternative implementations of some embodiments, the reinforcement assembly includes a reinforcement tie and a support bar;
clamping grooves used for being matched with the reinforcing bands are formed in the plate surfaces of the first substrate and the second substrate, and the reinforcing bands are clamped in the clamping grooves;
each reinforcing ribbon is provided with the supporting component in a clinging manner on two sides of each reinforcing ribbon, the upper end of each supporting component is fixedly connected with the lower side of the first substrate, and the lower end of each supporting component is fixedly connected with the upper side of the second substrate.
In some alternative implementations of some embodiments, the support assembly includes a support bar;
the support rods are arranged on two sides of each reinforcement binding belt in a clinging mode, the upper ends of the support rods are fixedly connected with the lower sides of the first base plates, and the lower ends of the support rods are fixedly connected with the upper sides of the second base plates.
In some optional implementations of some embodiments, the support assembly further includes a support plate, where the support plate is disposed on a side of each of the reinforcement bands facing the direction of the unit cells in a cling manner, and an upper end of the support plate is fixedly connected to a lower side of a long edge of the first substrate, and a lower end of the support plate is fixedly connected to an upper side of a long edge of the second substrate.
In some alternative implementations of some embodiments, each of the unit cells includes an anode seal, a graphite bipolar plate, a cathode seal, and a stationary frame;
the bottom of the anode sealing piece is fixedly pressed with the top of the graphite bipolar plate, the bottom of the graphite bipolar plate is fixedly pressed with the top of the cathode sealing piece, and the bottom of the cathode sealing piece is fixedly pressed with the fixing frame.
In some alternative implementations of some embodiments, the length of the single-sided pressure sensitive adhesive interlayer is not less than the length of the support rod.
In some optional implementations of some embodiments, the protection assembly further includes an isolation protection assembly, the isolation protection assembly includes an isolation seal, an upper end of the isolation seal is fixedly connected with the anode seal, a lower end of the isolation seal is pressed on the fixing frame, one side of the isolation seal facing the graphite bipolar plate is tightly attached to an edge of the graphite bipolar plate and the cathode seal facing the direction of the support rod, and an isolation chamber is formed by a lower side of the anode seal, one side of the isolation seal facing the graphite bipolar plate and an upper side of the cathode seal together, so that the graphite bipolar plate is wrapped inside the isolation chamber.
In some alternative implementations of some embodiments, the separator seal has a length that is greater than the total thickness of the graphite bipolar plate and the cathode seal.
In some alternative implementations of some embodiments, the separator seal material is an anode seal extension or a cathode seal extension.
In some alternative implementations of some embodiments, the first substrate is an anode substrate and the second substrate is a cathode substrate.
The application has the beneficial effects that:
adding a single-sided pressure sensitive adhesive interlayer to enable an adhesive layer of the single-sided pressure sensitive adhesive interlayer to be clung, and when graphite particles are generated by extrusion of the graphite bipolar plate, the adhesive layer can absorb loose graphite particles, so that the graphite particles are prevented from forming a conductive path, and current between batteries is driven to reduce the voltage of the batteries;
or adding an isolation sealing piece to enable the isolation sealing piece to surround the edge of the bipolar plate, enabling the anode sealing piece, the isolation sealing piece and the cathode sealing piece to jointly form an isolation cavity, wrapping graphite particles in the isolation cavity, preventing the graphite particles from forming a conductive path, and driving current between batteries to reduce battery voltage;
drawings
Fig. 1 is a general structural view of the present application.
FIG. 2 is a schematic diagram illustrating the operation of the adsorption type protection device according to the present application.
Fig. 3 is a schematic diagram illustrating the operation of the insulation protection assembly of the present application.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the application are shown in the drawings, it should be understood that the application may be embodied in various forms and should not be limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
A unit cell protection device for a fuel cell stack, as shown in fig. 1 and 2, includes a first substrate 1, a second substrate 5, a reinforcement member, and a protection member;
the first substrate 1 and the second substrate 5 are fixedly pressed with a plurality of unit cells 6, the unit cells comprise graphite bipolar plates 62, the two sides of the first substrate 1 and the second substrate 5 are symmetrically and fixedly connected through the reinforcing component, the protecting component is arranged between the reinforcing component and the edge of each unit cell 6, the protecting component comprises an adsorption type protecting component, the adsorption type protecting component comprises a single-sided pressure sensitive adhesive interlayer 7, a non-adhesive layer of the single-sided pressure sensitive adhesive interlayer 7 is fixedly connected with one side of the supporting component 4, facing the graphite bipolar plates 62, an adhesive layer of the single-sided pressure sensitive adhesive interlayer 7 is tightly attached to the edges of the anode sealing piece 61, the graphite bipolar plates 62, the cathode sealing piece 63 and the fixing frame 64, facing the direction of the supporting component 4, and the edges of each unit cell 6 are prevented from being in direct contact with the reinforcing component.
Wherein, separate the board edge of reinforcement subassembly and graphite bipolar plate 62 through the protection subassembly, so, carry out absorption/parcel processing through the graphite granule 65 that the protection subassembly produced when receiving external force influence with graphite bipolar plate 62, prevent that graphite granule 65 from directly scattering from reinforcement subassembly one side, produce the leakage current between two adjacent unit cells, prevent that battery performance from being low and the marginal short circuit of unit cell.
In order to better illustrate the specific structure of the protection assembly, fig. 2 is a schematic diagram of the operation of the adsorption type protection assembly before the compression treatment of each unit cell of the fuel cell stack, in fig. 2, the non-adhesive layer of the single-sided pressure-sensitive adhesive interlayer 7 is fixedly connected with one side of the support assembly 4 facing the graphite bipolar plate 62, the adhesive layer of the single-sided pressure-sensitive adhesive interlayer 7 is tightly attached to the edges of the anode seal 61, the graphite bipolar plate 62, the cathode seal 63 and the fixing frame 64 facing the direction of the support assembly 4, when the graphite bipolar plate 62 is pressed towards the direction of the support rod under the influence of external force, the adhesive layer of the single-sided pressure-sensitive adhesive interlayer 7 adsorbs the graphite particles 65 which may scatter, so that the graphite particles 65 are guaranteed to be adsorbed on the adhesive layer, the graphite particles 65 are prevented from scattering directly from one side of the support rod, leakage current is generated between two adjacent unit cells, and the situation that the cell performance is low and the unit cells are short-circuited is prevented. In addition, single-sided pressure sensitive adhesive interlayers are applied during the stack assembly process. This allows it to be rolled onto the plate edges of the graphite bipolar plates 62 by hand or by an automated application system, and the single-sided pressure sensitive adhesive interlayer 7 can be easily replaced if the stack needs to be reassembled.
In some alternative implementations of some embodiments, the reinforcement assembly includes a reinforcement tie 2 and a support assembly 4;
the plate surfaces of the first substrate 1 and the second substrate 5 are provided with clamping grooves 3 used for being matched with the reinforcing binding tapes 2, and the reinforcing binding tapes 2 are clamped in the clamping grooves 3;
each reinforcing ribbon is provided with the supporting component 4 in a clinging manner on two sides, the upper end of the supporting component 4 is fixedly connected with the lower side of the first substrate, and the lower end of the supporting component is fixedly connected with the upper side of the second substrate.
In some alternative implementations of some embodiments, the support assembly includes a support bar;
the support rods are arranged on two sides of each reinforcement ribbon in a clinging manner, the upper ends of the support rods are fixedly connected with the lower side of the first substrate, and the lower ends of the support rods are fixedly connected with the upper side of the second substrate;
the reinforced tie 2 is a stainless steel reinforced tie or a nylon reinforced tie, the reinforced tie 2 and the clamping groove 3 are in a plurality of one-to-one correspondence, and according to the structure, the fuel cell stack with the best fastening load can be reliably formed in the stacking direction of the unit cells 6 in a small and light structure, and further, the supporting rods are fixed in a conventional combination by the corresponding positioning holes on the first substrate 1 and the second substrate 5 in advance.
In some alternative implementations of some embodiments, the support assembly further comprises a support plate; the support plate is tightly attached to one side, facing to the direction of the unit cells, of each reinforcement ribbon, the upper end of the support plate is fixedly connected with the lower side of the first substrate, and the lower end of the support plate is fixedly connected with the upper side of the second substrate.
Further, when the support assembly is the backup pad, the face of backup pad is hugged closely and is set up every consolidate the ribbon towards one side of unit cell direction, and backup pad length direction's both ends are hugged closely and are set up every consolidate ribbon 2 on the both sides, so consolidate ribbon 2 orientation the face of backup pad on one side of unit cell direction and the protection assembly produces the contact.
In some alternative implementations of some embodiments, each of the unit cells 6 further includes an anode seal 61, a cathode seal 63, and a fixing frame 64;
the bottom of the anode sealing member 61 is pressed and fixed with the top of the graphite bipolar plate 62, the bottom of the graphite bipolar plate 62 is pressed and fixed with the top of the cathode sealing member 63, and the bottom of the cathode sealing member 63 is pressed and fixed with the fixing frame 64.
In some alternative implementations of some embodiments, the length of the single-sided pressure sensitive adhesive interlayer 7 is not less than the length of the support assembly 4.
As shown in fig. 3, in some alternative implementations of some embodiments, the protection component may be an isolation protection component, where the isolation protection component includes an isolation seal 612, an upper end of the isolation seal 612 is fixedly connected with the anode seal 61, a lower end of the isolation seal 612 is pressed onto the fixing frame 64, a side of the isolation seal 612 facing the graphite bipolar plate 62 is tightly attached to an edge of the graphite bipolar plate 62 and the cathode seal 63 facing the direction of the support component 4, and an isolation chamber is formed by a lower side of the anode seal 61, a side of the isolation seal 612 facing the graphite bipolar plate 62, and an upper side of the cathode seal 63 together, so that the graphite bipolar plate 62 is wrapped inside the isolation chamber.
In order to better illustrate the specific structure of the protection assembly, fig. 3 is a schematic diagram illustrating the operation of the isolation protection assembly of the fuel cell stack before the compression treatment of each unit cell, in fig. 3, the end of the anode sealing member, which is close to the support rod, is extended to form the isolation sealing member 612, so that the lower end of the isolation sealing member 612 is compressed on the fixing frame 64, thus, the lower side of the anode sealing member 61, the side of the isolation sealing member 612, which faces the graphite bipolar plate 62, and the upper side of the cathode sealing member 63 together form an isolation chamber, so as to prevent graphite particles 65 from directly falling off from one side of the support rod, generate leakage current between two adjacent unit cells, ensure that the graphite particles 65 are wrapped in the isolation chamber, and prevent the situations of low cell performance and short circuit between the unit cells.
In some alternative implementations of some embodiments, the length of the separator seal 612 is greater than the total thickness of the graphite bipolar plate 62 and the cathode seal 63.
Wherein the length of the isolation seal 612 needs to be greater than the total thickness of the graphite bipolar plate 62 and the cathode seal 63 in order to ensure the working effect of the protection assembly.
In some alternative implementations of some embodiments, the separator seal material is an anode seal extension or a cathode seal extension.
Taking fig. 3 as an example, the end of the anode sealing member near the supporting rod may be extended downward to form the isolation sealing member 612, and similarly, the end of the cathode sealing member near the supporting rod may be extended upward to form the isolation sealing member, so that the effect of forming the isolation chamber may be achieved.
In some optional implementations of some embodiments, at least one set of the reinforcing components is symmetrically disposed on both sides of the first substrate 1 and the second substrate 5 in the length direction.
In some alternative implementations of some embodiments, the first substrate 1 is an anode substrate and the second substrate 5 is a cathode substrate.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and improvements made by those skilled in the art without departing from the present technical solution shall be considered as falling within the scope of the claims.
Claims (10)
1. A cell protection device for a fuel cell stack, characterized by: the device comprises a first substrate, a second substrate, a reinforcing component and a protecting component;
a plurality of unit cells are pressed and fixed between the first substrate and the second substrate, the unit cells comprise graphite bipolar plates, the first substrate and the second substrate are symmetrically and fixedly connected through the reinforcing component, the protecting component is arranged between the reinforcing component and the edge of each unit cell, the protecting component comprises an adsorption type protecting component, the adsorption type protecting component comprises a single-sided pressure sensitive adhesive interlayer, the non-adhesive layer of the single-sided pressure-sensitive adhesive interlayer is fixedly connected with one side, facing the graphite bipolar plate, of the supporting component, the adhesive layer of the single-sided pressure-sensitive adhesive interlayer is clung to the edges, facing the supporting rod direction, of the anode sealing piece, the graphite bipolar plate, the cathode sealing piece and the fixing frame, and the adsorption type protection component is used for preventing the edges of each unit cell from being in direct contact with the reinforcing component.
2. The apparatus according to claim 1, wherein: the reinforcement assembly comprises a reinforcement ribbon and a support assembly;
clamping grooves used for being matched with the reinforcing bands are formed in the plate surfaces of the first substrate and the second substrate, and the reinforcing bands are clamped in the clamping grooves;
each reinforcing ribbon is provided with the supporting component in a clinging manner in the length direction, the upper end of the supporting component is fixedly connected with the lower side of the first substrate, and the lower end of the supporting component is fixedly connected with the upper side of the second substrate.
3. The apparatus according to claim 2, wherein: the support assembly comprises a support rod;
the support rods are arranged on two sides of each reinforcement binding belt in a clinging mode, the upper ends of the support rods are fixedly connected with the lower sides of the first base plates, and the lower ends of the support rods are fixedly connected with the upper sides of the second base plates.
4. A device according to claim 3, characterized in that: the support assembly further comprises a support plate, the support plate is tightly attached to one side of each reinforcement ribbon towards the direction of the unit cell, the upper end of the support plate is fixedly connected with the lower side of the long edge of the first substrate, and the lower end of the support plate is fixedly connected with the upper side of the long edge of the second substrate.
5. The apparatus according to claim 4, wherein: each of the unit cells further includes an anode seal member, a cathode seal member, and a fixing frame;
the bottom of the anode sealing piece is fixedly pressed with the top of the graphite bipolar plate, the bottom of the graphite bipolar plate is fixedly pressed with the top of the cathode sealing piece, and the bottom of the cathode sealing piece is fixedly pressed with the fixing frame.
6. The apparatus according to claim 5, wherein: the length of the single-sided pressure sensitive adhesive interlayer is not less than the length of the support rod.
7. The apparatus according to claim 6, wherein: the protection assembly further comprises an isolation protection assembly, the isolation protection assembly comprises an isolation sealing piece, the upper end of the isolation sealing piece is fixedly connected with the anode sealing piece, the lower end of the isolation sealing piece is pressed on the fixing frame, the isolation sealing piece is clung to the graphite bipolar plate towards one side of the graphite bipolar plate and the cathode sealing piece is clung to the edge of the support rod in the direction, and an isolation cavity is formed by the lower side of the anode sealing piece, the side of the isolation sealing piece towards the graphite bipolar plate and the upper side of the cathode sealing piece together and is used for wrapping the graphite bipolar plate inside the isolation cavity.
8. The apparatus according to claim 7, wherein: the separator seal has a length greater than the total thickness of the graphite bipolar plate and the cathode seal.
9. The apparatus according to claim 8, wherein: the isolating seal is made of anode sealing extension piece or cathode sealing extension piece.
10. The apparatus according to claim 1, wherein: the first substrate is an anode substrate, and the second substrate is a cathode substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310956515.8A CN116706119A (en) | 2023-08-01 | 2023-08-01 | Unit cell protection device for fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310956515.8A CN116706119A (en) | 2023-08-01 | 2023-08-01 | Unit cell protection device for fuel cell stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116706119A true CN116706119A (en) | 2023-09-05 |
Family
ID=87832492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310956515.8A Pending CN116706119A (en) | 2023-08-01 | 2023-08-01 | Unit cell protection device for fuel cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116706119A (en) |
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| US20040020765A1 (en) * | 2000-06-12 | 2004-02-05 | Hiroshi Tanaka | Edge insulating member for electrode plate, method of locking and unlocking the edge insulating member, and edge insulating member installation jig |
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| DE102016206140A1 (en) * | 2016-04-13 | 2017-10-19 | Volkswagen Ag | Bipolar plate and fuel cell stack |
| CN114050287A (en) * | 2021-11-02 | 2022-02-15 | 浙江高成绿能科技有限公司 | Single-side sealed fuel cell stack |
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| CN115663220A (en) * | 2022-11-11 | 2023-01-31 | 上海神力科技有限公司 | Device for spraying glue and curing graphite bipolar plate |
-
2023
- 2023-08-01 CN CN202310956515.8A patent/CN116706119A/en active Pending
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| US20040020765A1 (en) * | 2000-06-12 | 2004-02-05 | Hiroshi Tanaka | Edge insulating member for electrode plate, method of locking and unlocking the edge insulating member, and edge insulating member installation jig |
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