CN213093237U - Sealing device for preparing membrane electrode of fuel cell - Google Patents
Sealing device for preparing membrane electrode of fuel cell Download PDFInfo
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- CN213093237U CN213093237U CN202022188436.1U CN202022188436U CN213093237U CN 213093237 U CN213093237 U CN 213093237U CN 202022188436 U CN202022188436 U CN 202022188436U CN 213093237 U CN213093237 U CN 213093237U
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a fuel cell membrane electrode preparation sealing device, it belongs to fuel cell technical field, include: the upper surface of the lower end plate is provided with a vacuum channel groove, and two opposite corners of the lower end plate can be respectively provided with a positioning pin in a detachable way; a vacuum adsorption device; the first positioning frame is provided with a first square positioning hole in a penetrating manner, two opposite corners of the first positioning frame are provided with first positioning holes, and the first square positioning hole is used for positioning the CCM three-in-one membrane electrode; the second positioning frame is provided with a second square positioning hole in a penetrating manner, two opposite corners of the second positioning frame are provided with second positioning holes, and the second square positioning holes are used for positioning the gas diffusion layer of the membrane electrode; a first upper end plate; a second upper end plate. The utility model discloses can improve the precision of each subassembly assembly among the membrane electrode sealing process.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a fuel cell membrane electrode preparation sealing device.
Background
Proton exchange membrane fuel cells are gaining popularity due to their advantages of high energy conversion efficiency, fast low-temperature start, no pollution, good durability, high specific power, etc. The membrane electrode, which is the site for heterogeneous mass transport and electrochemical reaction, is the core component of a fuel cell and determines the performance, life and cost of a pem fuel cell.
In the prior art, when a membrane electrode is manufactured, generally, two pressing plates are respectively arranged on two sides of the membrane electrode, a positioning groove is arranged in one of the pressing plates, each component of the membrane electrode is arranged in the positioning groove, the other pressing plate is pressed on the pressing plate, and the surfaces of the two pressing plates respectively press two side faces of the membrane electrode to press and seal the membrane electrode.
However, since the thickness of the membrane electrode is extremely thin, the number of components is large, and it is difficult to ensure the assembly accuracy of each component of the membrane electrode by using the press-fit sealing device in the prior art, thereby adversely affecting the performance of the membrane electrode.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fuel cell membrane electrode prepares sealing device can improve the precision of each subassembly assembly among the membrane electrode sealing process.
As the conception, the utility model adopts the technical proposal that:
a fuel cell membrane electrode preparation seal assembly comprising:
the upper surface of the lower end plate is provided with a vacuum channel groove, and two opposite corners of the lower end plate can be respectively provided with a positioning pin vertical to the lower end plate in a detachable manner;
a vacuum adsorption device configured to communicate with the vacuum channel groove to adsorb an object laid on the lower end plate surface to the lower end plate;
the first positioning frame is provided with a first square positioning hole in a penetrating manner, two opposite corners of the first positioning frame are provided with first positioning holes, the first positioning holes and the positioning pins are arranged in a one-to-one correspondence manner, and the first square positioning holes are used for positioning the CCM three-in-one membrane electrode and have the same height as the thickness of the CCM three-in-one membrane electrode;
the second positioning frame is provided with a second square positioning hole in a penetrating manner, two opposite corners of the second positioning frame are provided with second positioning holes, the second positioning holes and the positioning pins are arranged in a one-to-one correspondence manner, and the second square positioning holes are used for positioning a gas diffusion layer of the membrane electrode;
the first upper end plate is provided with a first square avoidance hole in a penetrating manner, the inner edge of the first upper end plate can be pressed on an anode frame or a cathode frame laid on the lower end plate, two opposite corners of the first upper end plate are provided with third positioning holes, and the third positioning holes and the positioning pins are arranged in a one-to-one correspondence manner;
the second upper end plate is provided with a second square avoiding hole in a penetrating mode, the inner edge of the second upper end plate can be pressed and laid on the lower end plate, the gas diffusion layer is arranged on the lower end plate, two opposite corner portions of the second upper end plate are provided with fourth positioning holes, and the fourth positioning holes correspond to the positioning pins in a one-to-one mode.
Optionally, the vacuum channel groove is annular, linear, serpentine or hole-shaped.
Optionally, the vacuum channel groove is a cylindrical hole penetrating through the lower end plate, and the diameter of the cylindrical hole is not greater than 2 mm.
Optionally, a plurality of the cylindrical holes are arranged on the lower end plate, and the plurality of the cylindrical holes are distributed in an array.
Optionally, the vacuum channel groove is an annular groove, a linear groove or a serpentine groove recessed relative to the upper surface of the lower end plate, and the width of the vacuum channel groove is not greater than 2 mm.
Optionally, the first positioning frame is made of rubber, silica gel, polyethylene, polypropylene, PET, or polyurethane.
Optionally, the lower end plate is made of metal, plastic or graphite plate.
Optionally, the first upper end plate is made of metal, plastic or graphite plate.
Optionally, the lower end plate is provided with positioning pin mounting holes, and the positioning pins correspond to the positioning pin mounting holes one to one.
Optionally, the vacuum adsorption device is a vacuum pump.
The utility model provides a sealing device for preparing a membrane electrode of a fuel cell, which is characterized in that a positioning pin is arranged on a lower end plate, a first positioning hole is arranged on a first positioning frame, and a second positioning hole is arranged on a second positioning frame; the first upper end plate is provided with the third positioning hole, the second upper end plate is provided with the fourth positioning hole, and therefore when the fuel cell membrane electrode is sealed, the first positioning frame, the second positioning frame, the first upper end plate and the second upper end plate can be accurately positioned with the lower end plate, and assembly accuracy of each component of the membrane electrode is guaranteed.
The CCM three-in-one membrane electrode is positioned by arranging the first square positioning hole in the first positioning frame, and meanwhile, the height of the first square positioning hole is the same as the thickness of the CCM three-in-one membrane electrode, so that the first square positioning hole can accurately position the CCM three-in-one membrane electrode; and precisely positioning the gas diffusion layer by using the second positioning frame. The sealing device for preparing the fuel cell membrane electrode is adopted to prevent the technical problems of poor flatness, uneven thickness, easy bubbles, easy wrinkles, easy dislocation and the like of an anode frame and a cathode frame after the assembly of each component in the membrane electrode sealing process, improve the positioning precision, improve the packaging efficiency and the finished product rate, and simultaneously have simple preparation process.
Simultaneously, set up the first square hole of dodging through setting up on first upper end plate, set up the square hole of dodging of second on the second upper end plate, first upper end plate and second upper end plate can not exert pressure to whole surfaces of the trinity membrane electrode of CCM when the pressfitting, avoid destroying the trinity membrane electrode of CCM.
Drawings
FIG. 1 is a schematic diagram of a fuel cell membrane electrode preparation sealing device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a fuel cell membrane electrode preparation sealing device provided by an embodiment of the present invention in use.
In the figure:
1. a lower end plate; 11. positioning pins; 12. a vacuum channel groove;
2. a first positioning frame; 21. a first square positioning hole; 22. a first positioning hole;
3. a first upper end plate; 31. a first square avoidance hole; 32. a third positioning hole;
4. CCM three-in-one membrane electrode;
5. an anode frame; 51. an anode frame positioning hole;
6. a cathode frame; 61. cathode frame positioning holes;
7. a second positioning frame; 71. a second square positioning hole; 72. a second positioning hole;
8. a second upper end plate; 81. a second square avoidance hole; 82. and a fourth positioning hole.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The membrane electrode comprises an anode gas diffusion layer, an anode frame, an anode catalysis layer, a proton membrane, a cathode catalysis layer, a cathode frame and a cathode gas diffusion layer.
The process of preparing the membrane electrode comprises the following steps:
1. respectively coating the anode Catalyst layer and the cathode Catalyst layer on two sides of the proton Membrane to prepare a CCM (Catalyst Coated Membrane) three-in-one Membrane electrode;
2. respectively sealing the anode frame and the cathode frame on two sides of the CCM three-in-one membrane electrode to obtain a five-in-one membrane electrode;
3. and respectively attaching the anode gas diffusion layer and the cathode gas diffusion layer to two sides of the five-in-one membrane electrode to obtain the seven-in-one membrane electrode.
Optionally, the anode gas diffusion layer and the cathode gas diffusion layer are both carbon paper.
In the prior art, the thickness of each component of the membrane electrode is thinner and thinner, and the assembly precision of the membrane electrode in preparation is difficult to ensure.
Referring to fig. 1 and 2, in order to solve the above problems, the present embodiment provides a fuel cell membrane electrode preparation sealing device.
Specifically, the fuel cell membrane electrode preparation sealing device comprises: the vacuum adsorption device comprises a lower end plate 1, a vacuum adsorption device, a first positioning frame 2, a second positioning frame 7, a first upper end plate 3 and a second upper end plate 8.
The upper surface of the lower end plate 1 is provided with a vacuum channel groove 12, and two opposite corners of the lower end plate 1 are respectively provided with a positioning pin 11 which is vertical to the lower end plate 1 in a detachable way.
The vacuum adsorption device is configured to be communicated with the vacuum channel groove 12 to adsorb the object laid on the surface of the lower end plate 1 on the lower end plate 1.
Wear to be equipped with first square locating hole 21 on the first locating frame 2, two bights that first locating frame 2 is relative all are equipped with first locating hole 22, and first locating hole 22 sets up with locating pin 11 one-to-one, and first square locating hole 21 is used for fixing a position and highly the same with the thickness of the trinity membrane electrode of CCM 4 to the trinity membrane electrode of CCM 4.
A second square positioning hole 71 is formed in the second positioning frame 7 in a penetrating manner, second positioning holes 72 are formed in two opposite corners of the second positioning frame 7, the second positioning holes 72 are arranged in one-to-one correspondence with the positioning pins 11, and the second square positioning hole 71 is used for positioning a gas diffusion layer of the membrane electrode;
first upper end plate 3 wears to be equipped with first square and dodges hole 31, and the inward flange of first upper end plate 3 can be pressed and is located anode frame 5 or the negative pole frame 6 of laying on lower end plate 1, and two relative bights of first upper end plate 3 all are equipped with third locating hole 32, and third locating hole 32 sets up with locating pin 11 one-to-one.
The second upper end plate 8 is provided with a second square avoiding hole 81 in a penetrating manner, the inner edge of the second upper end plate 8 can be pressed on the gas diffusion layer paved on the lower end plate 1, two opposite corner parts of the second upper end plate 8 are provided with fourth positioning holes 82, and the fourth positioning holes 82 are in one-to-one correspondence with the positioning pins 11.
When the fuel cell membrane electrode preparation sealing device provided by the embodiment is used for sealing the fuel cell membrane electrode, the using method is as follows:
1. horizontally placing the lower end plate 1;
2. stripping the release film from the cut anode frame 5, reserving the support film, arranging anode frame positioning holes 51 corresponding to the positioning pins 11 one by one on the cut anode frame 5, enabling each anode frame positioning hole 51 to penetrate through the corresponding positioning pin 11, enabling the anode frame 5 to be flatly laid on the upper surface of the lower end plate 1, and then opening the vacuum adsorption device, so that the anode frame 5 is fixed on the lower end plate 1;
3. the two first positioning holes 22 of the first positioning frame 2 are respectively penetrated through the two positioning pins 11, so that the first positioning frame 2 is arranged on the anode frame 5, then the CCM three-in-one membrane electrode 4 is arranged in the first square positioning hole 21, the vacuum adsorption device enables the CCM three-in-one membrane electrode 4 to be fixed on the lower end plate 1, and then the first positioning frame 2 is taken away;
specifically, the size and the contour of the first square positioning hole 21 are the same as those of the CCM three-in-one membrane electrode 4, so that the first square positioning hole 21 can accurately position the CCM three-in-one membrane electrode 4; specifically, in this embodiment, the thickness of the CCM three-in-one membrane electrode 4 is 25 μm, and the height of the first square positioning hole 21 is also 25 μm;
specifically, the size and the outline of the first square positioning hole 21 are designed according to the size of the CCM three-in-one membrane electrode 4;
4. stripping the release film from the cut cathode frame 6, reserving a support film, arranging cathode frame positioning holes 61 corresponding to the positioning pins 11 one by one on the cut cathode frame 6, and enabling each cathode frame positioning hole 61 to penetrate through the corresponding positioning pin 11, so that the cathode frame 6 is arranged on the CCM three-in-one membrane electrode 4;
5. respectively penetrating two third positioning holes 32 of the first upper end plate 3 through the two positioning pins 11, so that the first upper end plate 3 is placed on the cathode frame 6, removing the positioning pins 11, pressing, and removing the cathode support membrane and the anode support membrane to obtain a five-in-one membrane electrode;
specifically, after pressing for 15s at 105 ℃ and 10kg/cm2, placing at room temperature, and removing a cathode base membrane and an anode base membrane to obtain a five-in-one membrane electrode;
6. sequentially taking down the first upper end plate 3 and the five-in-one membrane electrode, placing a second positioning frame 7 on the lower end plate 1 through a second positioning hole 72 and a positioning pin 11, placing an anode gas diffusion layer with glue dispensing in a second square positioning hole 71, opening the vacuum adsorption device to fix the anode gas diffusion layer on the lower end plate 1, and removing the second positioning frame 7;
specifically, the outline and the size of the second square positioning hole 71 are the same as those of the anode gas diffusion layer; since the area of the anode gas diffusion layer is larger than that of the CCM three-in-one membrane electrode 4, the area of the second square positioning hole 71 is larger than that of the first square positioning hole 21;
7. placing a five-in-one membrane electrode and a second positioning frame 7 on the lower end plate 1 in sequence, placing a cathode gas diffusion layer with glue dispensing in a second square positioning hole 71, opening the vacuum adsorption device, adsorbing the five-in-one membrane electrode on an anode gas diffusion layer, closely adsorbing the cathode gas diffusion layer on the five-in-one membrane electrode, removing the second positioning frame 7, pressing a second upper end plate 8 on the cathode gas diffusion layer through a fourth positioning hole 82 and a positioning pin 11, then removing the positioning pin 11 and pressing to obtain a seven-in-one membrane electrode;
specifically, the anode gas diffusion layer and the cathode gas diffusion layer are both carbon paper and have the same size;
specifically, after 5kg/cm2 was pressed for 20 seconds, a seven-in-one membrane electrode was obtained.
In the fuel cell membrane electrode preparation sealing device provided by the embodiment, the positioning pin 11 is arranged on the lower end plate 1, the first positioning hole 22 is arranged on the first positioning frame 2, and the second positioning hole 72 is arranged on the second positioning frame 7; the first upper end plate 3 is provided with a third positioning hole 32, and the second upper end plate 8 is provided with a fourth positioning hole 82, so that the first positioning frame 2, the second positioning frame 7, the first upper end plate 3 and the second upper end plate 8 can be accurately positioned with the lower end plate 1 when the fuel cell membrane electrode is sealed; the first square positioning hole 21 is arranged in the first positioning frame 2 to position the CCM three-in-one membrane electrode 4, and meanwhile, the height of the first square positioning hole 21 is the same as the thickness of the CCM three-in-one membrane electrode 4, so that the first square positioning hole 21 can accurately position the CCM three-in-one membrane electrode 4; the gas diffusion layer is accurately positioned using the second positioning frame 7. By adopting the sealing device for preparing the fuel cell membrane electrode, the technical problems of poor flatness, uneven thickness, easy bubbles, easy wrinkles, easy dislocation and the like of the anode frame 5 and the cathode frame 6 after the assembly of each component in the membrane electrode sealing process are solved, the positioning precision is improved, the packaging efficiency and the finished product rate are improved, and the preparation process is simple.
Simultaneously, set up the first square hole of dodging 31 through setting up on first upper end plate 3, set up the square hole of dodging 81 of dodging of second on second upper end plate 8, first upper end plate 3 and second upper end plate 8 can not exert pressure to the whole surfaces of the trinity membrane electrode 4 of CCM when the pressfitting, avoid destroying the trinity membrane electrode 4 of CCM.
Preferably, the outline and the size of the first square avoidance hole 31 are the same as those of the CCM three-in-one membrane electrode 4, so that the situation that the CCM three-in-one membrane electrode 4 is damaged due to pressure applied to the CCM three-in-one membrane electrode 4 when the five-in-one membrane electrode is manufactured is avoided.
The outline size of the second square avoidance hole 81 is larger than that of the CCM three-in-one membrane electrode 4.
Specifically, the lower end plate 1 is provided with positioning pin mounting holes corresponding to the positioning pins 11 one to one, and the positioning pins 11 are mounted in the positioning pin mounting holes.
Specifically, in the present embodiment, the vacuum passage groove 12 has a ring shape, a straight line shape, a serpentine shape, or a hole shape.
Alternatively, the vacuum passage grooves 12 are annular, linear or serpentine grooves recessed with respect to the upper surface of the lower end plate 1, and the width of the vacuum passage grooves 12 is not more than 2 mm.
In the present embodiment, the vacuum channel groove 12 is a linear groove, based on the characteristic of easy processing of the linear groove. The upper surface of the lower end plate 1 is provided with at least two linear grooves to ensure sufficient adsorption force.
Specifically, the vacuum adsorption device is a vacuum pump.
Of course, in other embodiments, the following may be also possible: the vacuum channel groove 12 is a cylindrical hole penetrating through the lower end plate 1, and the diameter of the cylindrical hole is not more than 2 mm. Further, in order to guarantee the adsorption capacity, be equipped with a plurality of cylinder hole on the lower plate 1, a plurality of cylinder hole is array distribution.
Optionally, the first positioning frame 2 is made of rubber, silica gel, polyethylene, polypropylene, PET, or polyurethane. The second positioning frame 7 is made of rubber, silica gel, polyethylene, polypropylene, PET or polyurethane. The lower end plate 1 is made of metal, plastic or graphite plate. The first upper end plate 3 is made of metal, plastic or graphite plate. The second upper end plate 8 is made of metal, plastic or graphite plate.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A fuel cell membrane electrode preparation sealing device, comprising:
the vacuum sealing device comprises a lower end plate (1), wherein a vacuum channel groove (12) is formed in the upper surface of the lower end plate (1), and two opposite corners of the lower end plate (1) can be detachably provided with a positioning pin (11) perpendicular to the lower end plate (1);
a vacuum adsorption device configured to communicate with the vacuum channel groove (12) to adsorb an object laid on the surface of the lower end plate (1) on the lower end plate (1);
the membrane electrode assembly comprises a first positioning frame (2), wherein a first square positioning hole (21) penetrates through the first positioning frame (2), two opposite corners of the first positioning frame (2) are respectively provided with a first positioning hole (22), the first positioning holes (22) and positioning pins (11) are arranged in a one-to-one correspondence manner, the first square positioning holes (21) are used for positioning a CCM three-in-one membrane electrode (4) and have the same height as the thickness of the CCM three-in-one membrane electrode (4);
a second square positioning hole (71) is formed in the second positioning frame (7) in a penetrating mode, second positioning holes (72) are formed in two opposite corner portions of the second positioning frame (7), the second positioning holes (72) are arranged in one-to-one correspondence with the positioning pins (11), and the second square positioning holes (71) are used for positioning a gas diffusion layer of the membrane electrode;
the first upper end plate (3) is provided with a first square avoidance hole (31) in a penetrating mode, the inner edge of the first upper end plate (3) can be pressed on an anode frame (5) or a cathode frame (6) laid on the lower end plate (1), two opposite corners of the first upper end plate (3) are provided with third positioning holes (32), and the third positioning holes (32) and the positioning pins (11) are arranged in a one-to-one correspondence mode;
second upper end plate (8) wears to be equipped with the square hole of dodging (81) of second, the inward flange of second upper end plate (8) can press to locate and lay on lower end plate (1) gas diffusion layer, two relative bights of second upper end plate (8) all are equipped with fourth locating hole (82), fourth locating hole (82) with locating pin (11) one-to-one sets up.
2. The fuel cell membrane electrode preparation seal assembly according to claim 1, wherein said vacuum channel groove (12) is annular, linear, serpentine or hole-shaped.
3. The fuel cell membrane electrode preparation sealing device according to claim 2, wherein the vacuum channel groove (12) is a cylindrical hole penetrating the lower end plate (1), and the diameter of the cylindrical hole is not more than 2 mm.
4. The fuel cell membrane electrode preparation sealing device according to claim 3, wherein a plurality of said cylindrical holes are arranged on said lower end plate (1), and a plurality of said cylindrical holes are distributed in an array.
5. The fuel cell membrane electrode preparation sealing device according to claim 2, wherein the vacuum passage groove (12) is an annular groove, a linear groove, or a serpentine groove recessed with respect to the upper surface of the lower end plate (1), and the width of the vacuum passage groove (12) is not more than 2 mm.
6. The fuel cell membrane electrode preparation sealing device according to claim 1, wherein the first positioning frame (2) is made of rubber, silica gel, polyethylene, polypropylene, PET or polyurethane.
7. The fuel cell membrane electrode preparation sealing device according to claim 1, wherein the lower end plate (1) is made of metal, plastic or graphite plate.
8. The fuel cell membrane electrode preparation sealing device according to claim 1, wherein the first upper end plate (3) is made of metal, plastic or graphite plate.
9. The fuel cell membrane electrode preparation sealing device according to claim 1, wherein the lower end plate (1) is provided with positioning pin mounting holes, and the positioning pins (11) correspond to the positioning pin mounting holes one to one.
10. The fuel cell membrane electrode preparation sealing arrangement according to claim 1 wherein said vacuum adsorption means is a vacuum pump.
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| CN202022188436.1U CN213093237U (en) | 2020-09-29 | 2020-09-29 | Sealing device for preparing membrane electrode of fuel cell |
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| CN202022188436.1U CN213093237U (en) | 2020-09-29 | 2020-09-29 | Sealing device for preparing membrane electrode of fuel cell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871676A (en) * | 2021-09-14 | 2021-12-31 | 国家电投集团氢能科技发展有限公司 | Single cell assembling device for fuel cell |
| CN113937329A (en) * | 2021-11-03 | 2022-01-14 | 无锡威孚高科技集团股份有限公司 | Fuel cell unit and fuel cell stack |
| CN114464852A (en) * | 2021-12-25 | 2022-05-10 | 安徽明天氢能科技股份有限公司 | Novel sealing process for fuel cell membrane electrode |
| CN116180123A (en) * | 2023-04-19 | 2023-05-30 | 国家电投集团氢能科技发展有限公司 | Large-size membrane electrode preparation device and membrane electrode preparation method |
-
2020
- 2020-09-29 CN CN202022188436.1U patent/CN213093237U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871676A (en) * | 2021-09-14 | 2021-12-31 | 国家电投集团氢能科技发展有限公司 | Single cell assembling device for fuel cell |
| CN113937329A (en) * | 2021-11-03 | 2022-01-14 | 无锡威孚高科技集团股份有限公司 | Fuel cell unit and fuel cell stack |
| CN114464852A (en) * | 2021-12-25 | 2022-05-10 | 安徽明天氢能科技股份有限公司 | Novel sealing process for fuel cell membrane electrode |
| CN116180123A (en) * | 2023-04-19 | 2023-05-30 | 国家电投集团氢能科技发展有限公司 | Large-size membrane electrode preparation device and membrane electrode preparation method |
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