CN111883797A - Integrated fuel cell single cell and fuel cell stack - Google Patents
Integrated fuel cell single cell and fuel cell stack Download PDFInfo
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- CN111883797A CN111883797A CN202010560945.4A CN202010560945A CN111883797A CN 111883797 A CN111883797 A CN 111883797A CN 202010560945 A CN202010560945 A CN 202010560945A CN 111883797 A CN111883797 A CN 111883797A
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- 239000000446 fuel Substances 0.000 title claims abstract description 50
- 239000012528 membrane Substances 0.000 claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000000565 sealant Substances 0.000 claims description 37
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 229920006254 polymer film Polymers 0.000 claims description 4
- 229920002367 Polyisobutene Polymers 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229920005560 fluorosilicone rubber Polymers 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- -1 fluorosilicone Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- 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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
-
- 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
- H01M8/0276—Sealing means characterised by their form
-
- 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
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to an integrated fuel cell single cell and a fuel cell stack, wherein the stack is formed by stacking and assembling a plurality of single cells, each single cell comprises a cathode plate, a proton exchange membrane, an anode plate and a water plate which are sequentially stacked, the front surface and the back surface of the proton exchange membrane are positioned at the flow field positions of the cathode plate and the anode plate and are laminated with a catalyst layer and a gas diffusion layer, the single cells also comprise a membrane electrode supporting body, the peripheral side of the proton exchange membrane is fixed in the membrane electrode supporting body and forms a complete plane with the membrane electrode supporting body, the proton exchange membrane, the catalyst layer and the gas diffusion layer are integrally clamped between the cathode plate and the anode. Compared with the prior art, the invention has the advantages of stable structure, excellent sealing performance, good durability, high power generation performance and the like.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to an integrated fuel cell single cell and a fuel cell stack.
Background
A conventional pem fuel cell is constructed as a single cell by stacking two bipolar plates and a Membrane Electrode Assembly (MEA) with a gasket interposed therebetween. Specifically, as shown in fig. 1 and fig. 2, the fuel cell unit includes a cathode plate 1, a proton exchange membrane 2, an anode plate 4 and a water plate 6 stacked in sequence, a catalyst layer 7 and a gas diffusion layer 8 are disposed on the flow channel positions on the bipolar plate on the front and back sides of the proton exchange membrane 2, a plate seal ring 3 is embedded between the contact surfaces of the cathode plate 1 and the anode plate 4 and the proton exchange membrane 2, and a water plate seal ring 5 is embedded between the anode plate 4 and the water plate 6, thereby realizing the sealed assembly of the cell unit. The traditional battery unit adopts a sealing piece (a sealing ring) to seal a cathode plate and an anode plate, and has the following problems: due to manufacturing errors of the single sealing element, size difference of the thickness of each battery unit is easily caused, uneven stress is caused between surfaces, and then difference of contact resistance between different battery units is caused, performance consistency among sections is difficult to guarantee when a galvanic pile generates electricity, and the performance of the galvanic pile cannot meet design requirements. Meanwhile, the contact area between the sealing element and the edge of the membrane electrode assembly is small, so that stress concentration is inevitable, and the membrane electrode or the bipolar plate and other assemblies can be damaged.
Therefore, a stable sealing structure for proton exchange membrane fuel cells is needed, which can uniformly stress the electrode plates, reduce the size difference of the thickness of each cell unit, and eliminate the contact resistance difference between the sheets so as to ensure the performance consistency of the single cells.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing an integrated fuel cell and fuel cell stack.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an integration fuel cell monocell, is including the negative plate, proton exchange membrane, anode plate and the water board that pile gradually, the positive and negative two sides of proton exchange membrane be located the flow field position of negative plate and anode plate and to superpose and be equipped with catalysis layer and gas diffusion layer, the monocell still include the membrane electrode supporter, proton exchange membrane week side fix the membrane electrode supporter in and form a complete plane with the membrane electrode supporter, the membrane electrode supporter press from both sides between negative plate and anode plate as a whole with proton exchange membrane, catalysis layer and gas diffusion layer, negative plate and anode plate between through the sealed glue sealing connection who pours into.
And a circle of polar plate grooves used for filling sealant is arranged on the periphery of the flow field on the surface where the negative plate and the positive plate are buckled with each other.
The one side of the mutual lock of negative plate and anode plate be located flow field week side still symmetry and a plurality of polar plate bosss that are used for the location of evenly distributed, the membrane electrode supporter on correspond be equipped with the mounting groove that the polar plate boss matches, during the assembly, negative plate and anode plate on polar plate boss one-to-one contact, the membrane electrode supporter install the polar plate boss on.
The membrane electrode support body comprises two supporting frame bodies provided with square holes, the two supporting frame bodies are arranged in a laminated mode, the periphery side of the proton exchange membrane is clamped between the upper supporting frame body and the lower supporting frame body, and the proton exchange membrane is integrally bonded with the frames of the two supporting frame bodies.
The outer surface of the gas diffusion layer on the proton exchange membrane protrudes out of the membrane electrode supporting body and is respectively abutted against the flow fields on the cathode plate and the anode plate, filling gaps are formed between the side edge of the gas diffusion layer and the membrane electrode supporting body as well as between the cathode plate and the anode plate, and after sealant is injected between the cathode plate and the anode plate, the sealant permeates into the filling gaps.
The membrane electrode support body is a support frame body which is made of a polymer film and provided with square holes.
And when sealant is injected between the cathode plate and the anode plate, the flow channel in the flow field is vacuumized through the air inlet and outlet.
The sealant is fluid sealant, and is injected from the gap between the side surfaces of the cathode plate and the anode plate and is solidified and molded in the cathode plate and the anode plate.
The sealant comprises silicon rubber, fluorosilicone, EPDM, chloroprene rubber, epoxy resin, polyurethane and polyisobutylene resin.
A fuel cell stack includes a plurality of integrated fuel cells, which are assembled in a stack.
Compared with the prior art, the invention has the following advantages:
(1) the integrated structure formed by the cathode plate and the anode plate of the single fuel cell in the invention in a sealing connection mode through the sealant has stable structure, excellent sealing performance and good durability, compared with the traditional sealing mode of the sealing ring, the integrated structure has no problem of compression of the sealing piece and thickness size difference of the single fuel cell, and the power generation performance of the single fuel cell is improved;
(2) the membrane electrode support body of the invention is uniformly coated around the proton exchange membrane to play a role in protection, so that the stress borne by the membrane electrode assembly can be uniformly distributed even under the working condition of large temperature difference, and the condition of stress concentration is avoided, thereby reducing the possibility that the proton exchange membrane is damaged by mechanical stress;
(3) according to the invention, the filling gaps are formed between the side edge of the gas diffusion layer and the membrane electrode support body as well as between the cathode plate and the anode plate, and after sealant is injected, the filling gaps are filled with the sealant, so that the sealing effect is improved, and the structural stability is high;
(4) the polar plate groove ensures effective filling of the sealant, thereby ensuring the sealing effect;
(5) the polar plate boss is used for supporting the membrane electrode support body on one hand, and can form positioning between two polar plates on the other hand, so that the uniformity of the filled sealant is ensured, the consistency of the distance between the polar plate at any position on a single fuel cell and the membrane electrode assembly is ensured, the uneven stress between the surfaces is avoided, and the performance is improved;
(6) the fuel cell stack eliminates the size difference in thickness of each fuel cell, eliminates the contact resistance difference between the sheets, ensures the performance consistency of the single cells, and effectively improves the power generation performance of the fuel cell stack.
Drawings
Fig. 1 is a schematic structural view of a conventional fuel cell unit cell;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exploded view of the installation of an integrated fuel cell of the present invention;
FIG. 4 is a schematic cross-sectional view of an integrated fuel cell of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a schematic structural diagram of an anode plate according to the present invention;
FIG. 7 is a schematic view of the construction of the cathode plate of the present invention;
FIG. 8 is a schematic view of the present invention during sealant injection;
FIG. 9 is a sectional view taken along the plane A-A in FIG. 8;
FIG. 10 is an enlarged view of portion C of FIG. 9;
fig. 11 is a schematic view of an assembly mold frame of the integrated fuel cell of the present invention.
In the figure, 1 is a cathode plate, 2 is a proton exchange membrane, 3 is a polar plate sealing ring, 4 is an anode plate, 5 is a water plate sealing ring, 6 is a water plate, 7 is a catalyst layer, 8 is a gas diffusion layer, 9 is a membrane electrode assembly, 10 is a sealant, 11 is a membrane electrode support body, 12 is a filling gap, 13 is an air inlet and outlet, 14 is a mold frame body, and 15 is an adhesive injection port.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
As shown in fig. 3 to 5, an integrated fuel cell unit cell includes a cathode plate 1, a membrane electrode assembly 9, an anode plate 4, and a water plate 6, which are stacked in this order. The anode plate 4 forms a fuel channel, the cathode plate 1 forms an air channel, a flow field is formed between the anode plate 4 and the cathode plate 1, the membrane electrode assembly 9 is used for generating a carrier of electrochemical reaction to generate electric energy, and the water plate 6 is used for forming a heat-dissipating water channel. The membrane electrode assembly 9 comprises a proton exchange membrane 2, the front side and the back side of the proton exchange membrane 2 are positioned at the flow field positions of a cathode plate 1 and an anode plate 4 and are laminated with a catalyst layer 7 and a gas diffusion layer 8, the monocell further comprises a membrane electrode support body 11, the periphery side of the proton exchange membrane 2 is fixed in the membrane electrode support body 11 and forms a complete plane with the membrane electrode support body 11, the proton exchange membrane 2, the catalyst layer 7 and the gas diffusion layer 8 are integrally clamped between the cathode plate 1 and the anode plate 4, the cathode plate 1 and the anode plate 4 are in sealing connection through injected sealant 10, and the water plate 6 and the.
As shown in fig. 6 and 7, a circle of plate grooves for filling sealant 10 is provided on the side of the cathode plate 1 and the anode plate 4 that are fastened to each other, specifically, in fig. 6 and 7, the central regions of the anode plate 4 and the cathode plate 1 are an anode flow channel and a cathode flow channel, respectively, and the oblique line portions on the peripheral sides of the anode plate 4 and the cathode plate 1 are plate groove regions for injecting the sealant 10. The mutual buckled one side of negative plate 1 and anode plate 4 is located flow field week side and still symmetry and evenly distributed a plurality of polar plate bosss that are used for the location, corresponds on the membrane electrode supporter 11 to be equipped with the mounting groove that matches with the polar plate boss, and during the assembly, the polar plate boss one-to-one contact on negative plate 1 and the anode plate 4, the membrane electrode supporter 11 is installed on the polar plate boss. The cathode plate 1 and the anode plate 4 are respectively provided with 12 pole plate bosses in the embodiment, reference numerals a to L in fig. 6 and 7 are 12 pole plate bosses, reference numeral M, N is an assembly positioning hole of the anode plate 4 and the cathode plate 1, and the pole plate bosses in the embodiment are arranged in a pole plate groove area. The polar plate boss is used for supporting the membrane electrode supporting body 11 on one hand, and can form positioning between two polar plates on the other hand, so that the uniformity of the filling sealant 10 is ensured, the distance between the polar plate at any position on a single fuel cell and the membrane electrode assembly 9 is kept consistent, uneven stress between surfaces is avoided, and the performance is improved.
As shown in fig. 5, the membrane electrode support 11 includes two support frames with square holes, the two support frames are stacked, the periphery of the proton exchange membrane 2 is sandwiched between the upper and lower support frames, the membrane electrode support body 11 is a support frame body which is made of polymer films and is provided with square holes, the square holes are dug between two layers of polymer films with the thickness of 0.1mm to form the membrane electrode support body 11, the outer surface of a gas diffusion layer 8 on a proton exchange membrane 2 protrudes out of the membrane electrode support body 11 and is abutted against flow fields on a cathode plate 1 and an anode plate 4 respectively, a filling gap 12 is formed between the side edge of the gas diffusion layer 8 and the membrane electrode support body 11 as well as between the cathode plate 1 and the anode plate 4, and after a sealant 10 is injected between the cathode plate 1 and the anode plate 4, the sealant 10 permeates into the filling gap 12. The membrane electrode support body 11 is uniformly coated around the proton exchange membrane 2 to play a role in protection, so that even under the working condition of large temperature difference, the stress on the membrane electrode assembly 9 can be uniformly distributed, the stress concentration is avoided, and the possibility that the proton exchange membrane 2 is damaged by mechanical stress is reduced.
As shown in fig. 8 to 10, the air inlet and outlet 13 of the flow field on the cathode plate 1 and the anode plate 4 are arranged on several of the electrode plate bosses, when the sealant 10 is injected between the cathode plate 1 and the anode plate 4, the sealant 10 is injected from the gap between the side surfaces of the cathode plate 1 and the anode plate 4, and in fig. 8 to 10, the direction Z is the glue injection direction. The sealant 10 flows into the polar plate grooves of the anode plate 4 and the cathode plate 1, the flow channel in the flow field is vacuumized through the air inlet and outlet 13 while the sealant 10 is injected, a certain vacuum degree is formed in the flow channel of the cathode plate 1 and the anode plate 4, and the sealant 10 can infiltrate into the filling gap 12 at the edge of the gas diffusion layer 8 under the action of pressure. The sealant 10 is a fluid sealant 10, and comprises silicon rubber, fluorosilicone rubber, EPDM (ethylene-propylene-diene monomer), chloroprene rubber, epoxy resin, polyurethane, polyisobutylene resin and the like, and the sealant 10 is injected from the side gap of the cathode plate 1 and the anode plate 4 and is solidified and molded in the cathode plate 1 and the anode plate 4.
In order to realize the assembly of the integrated fuel cell unit cell, the invention also designs an assembly mold frame as shown in fig. 11 aiming at the structure of the integrated fuel cell unit cell, wherein the mold frame body 14 is used for tightly pressing three parts of the cathode plate 1, the membrane electrode assembly 9 and the anode plate 4 to play a positioning function, and the glue injection port 15 is used for injecting the sealant 10 into the gap between the anode plate 4 and the cathode plate 1.
The assembled integrated fuel battery monocells are stacked and assembled together to form a fuel battery stack, size difference in thickness of each fuel battery monocell of the fuel battery stack is eliminated, and contact resistance difference between the single cells is eliminated, so that performance consistency of the single cells is guaranteed, and performance of the fuel battery stack is improved.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. An integrated fuel cell single cell comprises a cathode plate (1), a proton exchange membrane (2), an anode plate (4) and a water plate (6) which are stacked in sequence, the front and back surfaces of the proton exchange membrane (2) are positioned at the flow field positions of the cathode plate (1) and the anode plate (4) and are laminated with a catalyst layer (7) and a gas diffusion layer (8), characterized in that the single cell also comprises a membrane electrode support body (11), the peripheral side of the proton exchange membrane (2) is fixed in the membrane electrode support body (11) and forms a complete plane with the membrane electrode support body (11), the membrane electrode supporting body (11), the proton exchange membrane (2), the catalytic layer (7) and the gas diffusion layer (8) are clamped between the cathode plate (1) and the anode plate (4) as a whole, the cathode plate (1) and the anode plate (4) are connected in a sealing mode through injected sealing glue (10).
2. The integrated fuel cell single cell as claimed in claim 1, wherein a ring of plate grooves for filling the sealant (10) is formed on the periphery of the flow field on the surface of the cathode plate (1) and the anode plate (4) which are buckled with each other.
3. An integrated fuel cell single cell as claimed in claim 1, wherein the surfaces of the cathode plate (1) and the anode plate (4) that are fastened to each other are located on the periphery of the flow field, and a plurality of polar plate bosses for positioning are symmetrically and uniformly distributed, and the membrane electrode support body (11) is correspondingly provided with mounting grooves matched with the polar plate bosses, so that the polar plate bosses on the cathode plate (1) and the anode plate (4) are in one-to-one contact during assembly, and the membrane electrode support body (11) is mounted on the polar plate bosses.
4. An integrated fuel cell unit as claimed in claim 1, wherein the membrane electrode support (11) comprises two support frames provided with square holes, the two support frames are stacked, and the periphery of the proton exchange membrane (2) is sandwiched between the upper and lower support frames and integrally bonded to the frames of the two support frames.
5. An integrated fuel cell unit cell as claimed in claim 1, wherein the outer surface of the gas diffusion layer (8) on the proton exchange membrane (2) protrudes outward from the membrane electrode support body (11) and is abutted against the flow fields on the cathode plate (1) and the anode plate (4), respectively, a filling gap (12) is formed between the side edge of the gas diffusion layer (8) and the membrane electrode support body (11), the cathode plate (1) and the anode plate (4), and after the sealant (10) is injected between the cathode plate (1) and the anode plate (4), the sealant (10) permeates into the filling gap (12).
6. An integrated fuel cell unit as claimed in claim 4, characterised in that the membrane electrode support (11) is a square-holed support frame made of polymer film.
7. An integrated fuel cell unit as claimed in claim 3, characterised in that the inlet and outlet ports (13) of the flow fields of the cathode plate (1) and the anode plate (4) are arranged on several of the plate bosses, and when sealant (10) is injected between the cathode plate (1) and the anode plate (4), the flow channels in the flow fields are evacuated by the inlet and outlet ports (13).
8. An integrated fuel cell unit as claimed in claim 1, wherein the sealant (10) is a fluid sealant (10), and the sealant (10) is injected from the side gaps of the cathode plate (1) and the anode plate (4) and is solidified and formed in the cathode plate (1) and the anode plate (4).
9. An integrated fuel cell unit as claimed in claim 8, characterised in that said sealant (10) comprises silicone rubber, fluorosilicone rubber, EPDM, neoprene, epoxy, polyurethane, polyisobutylene resin.
10. A fuel cell stack comprising a plurality of integrated fuel cells according to any one of claims 1 to 9, said fuel cells being assembled in a stack.
Applications Claiming Priority (2)
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CN202010244097 | 2020-03-31 | ||
CN2020102440976 | 2020-03-31 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113611893A (en) * | 2021-07-16 | 2021-11-05 | 嘉寓氢能源科技(辽宁)有限公司 | Narrow-runner ultrathin metal composite bipolar plate |
CN114023991A (en) * | 2021-11-02 | 2022-02-08 | 浙江高成绿能科技有限公司 | Assembling structure of fuel cell stack |
CN114188580A (en) * | 2021-10-20 | 2022-03-15 | 海卓动力(上海)能源科技有限公司 | Preparation method of fuel cell membrane electrode |
CN114400346A (en) * | 2021-12-03 | 2022-04-26 | 佛山仙湖实验室 | Integrated membrane electrode unit structure and fuel cell stack |
CN114695931A (en) * | 2020-12-15 | 2022-07-01 | 未势能源科技有限公司 | Membrane electrode assembly and proton exchange membrane fuel cell |
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CN1996647A (en) * | 2007-01-05 | 2007-07-11 | 天津大学 | Thin metal dual-pole board of proton exchange film fuel battery |
US20090035638A1 (en) * | 2007-08-01 | 2009-02-05 | Ming-Chou Tsai | Fuel cell module |
CN102324471A (en) * | 2011-09-16 | 2012-01-18 | 武汉理工大学 | A kind of self-locking kind of fuel cell seal assembly structure |
CN212625674U (en) * | 2020-03-31 | 2021-02-26 | 同济大学 | Integrated fuel cell single cell and fuel cell stack |
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CN1858926A (en) * | 2005-04-30 | 2006-11-08 | 比亚迪股份有限公司 | Sealing device of proton exchanging film fuel cell unit |
CN1996647A (en) * | 2007-01-05 | 2007-07-11 | 天津大学 | Thin metal dual-pole board of proton exchange film fuel battery |
US20090035638A1 (en) * | 2007-08-01 | 2009-02-05 | Ming-Chou Tsai | Fuel cell module |
CN102324471A (en) * | 2011-09-16 | 2012-01-18 | 武汉理工大学 | A kind of self-locking kind of fuel cell seal assembly structure |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114695931A (en) * | 2020-12-15 | 2022-07-01 | 未势能源科技有限公司 | Membrane electrode assembly and proton exchange membrane fuel cell |
CN114695931B (en) * | 2020-12-15 | 2024-01-26 | 未势能源科技有限公司 | Membrane electrode assembly and proton exchange membrane fuel cell |
CN113611893A (en) * | 2021-07-16 | 2021-11-05 | 嘉寓氢能源科技(辽宁)有限公司 | Narrow-runner ultrathin metal composite bipolar plate |
CN113611893B (en) * | 2021-07-16 | 2022-07-15 | 嘉寓氢能源科技(辽宁)有限公司 | Narrow-runner ultrathin metal composite bipolar plate |
CN114188580A (en) * | 2021-10-20 | 2022-03-15 | 海卓动力(上海)能源科技有限公司 | Preparation method of fuel cell membrane electrode |
CN114188580B (en) * | 2021-10-20 | 2023-07-14 | 海卓动力(上海)能源科技有限公司 | Preparation method of fuel cell membrane electrode |
CN114023991A (en) * | 2021-11-02 | 2022-02-08 | 浙江高成绿能科技有限公司 | Assembling structure of fuel cell stack |
CN114023991B (en) * | 2021-11-02 | 2023-08-18 | 浙江高成绿能科技有限公司 | Assembling structure of fuel cell pile |
CN114400346A (en) * | 2021-12-03 | 2022-04-26 | 佛山仙湖实验室 | Integrated membrane electrode unit structure and fuel cell stack |
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