CN113580961B - Automobile fuel cell and mounting structure - Google Patents

Abstract

The invention discloses an automobile fuel cell and a mounting structure thereof, and has the advantages that the fuel cell is elastically extruded and fixed through a damping limiting fixing component, external force generated by shaking is converted into elastic deformation of a spring part in the damping limiting fixing component, the external force is converted through the matching of sliding and a sliding block, the limiting effect is achieved, and the phenomenon of discharging of a cable due to shaking is avoided through an auxiliary connecting component.

Description

Automobile fuel cell and mounting structure

Technical Field

The invention relates to the technical field of fuel cell fixing, in particular to an automobile fuel cell and a mounting structure.

Background

A fuel cell is a device that converts chemical energy of fuel into electric energy, also called an electrochemical generator, which is a fourth power generation technology following hydroelectric power generation, thermal power generation, and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction without the limitation of Carnot cycle effect, so the energy conversion efficiency is high. And the fuel cell uses fuel and oxygen as raw materials, there is no mechanical drive part, so there is no noise pollution, the harmful gas discharged is less. Therefore, the fuel cell is more and more focused on energy safety and environmental pollution, and the application of the fuel cell is more and more extensive.

In the fuel cell, the most core component is the electric pile, and in the reaction process of the fuel cell, the position of the electric pile needs to be fixed so as to avoid shaking and influence on the normal reaction of the fuel cell.

Disclosure of Invention

The invention aims to solve the problems, designs an installation structure of an automobile fuel cell and the automobile fuel cell with the installation structure, and solves part of the problems of the prior art.

The mounting structure of the automotive fuel cell of the first aspect of the invention for achieving the above object comprises a fixing box, wherein a damping, limiting and fixing component is mounted on the inner side of the fixing box;

wherein, the spacing fixed subassembly of shock attenuation contains: the device comprises a plurality of side wall support shafts, a plurality of side wall moving blocks, a plurality of concave bearing extrusion blocks, a plurality of extrusion plates, a plurality of scissor brackets, a plurality of support spring sleeves, a plurality of telescopic extrusion spring columns, two pairs of corner limiting blocks, two pairs of clip limiting blocks, four pairs of limiting transverse slideways, four pairs of limiting transverse sliders, four pairs of limiting longitudinal slideways, four pairs of limiting longitudinal sliders and a plurality of corner limiting spring columns;

the device comprises a plurality of concave bearing extrusion blocks, a plurality of side wall support shafts, a plurality of side wall moving blocks, a plurality of shear fork type supports, a plurality of telescopic extrusion spring columns, a plurality of movable extrusion spring columns, a plurality of limiting blocks, a plurality of wall angle limiting blocks and a plurality of fixed box, wherein the plurality of concave bearing extrusion blocks are respectively installed on two pairs of extrusion plates, the plurality of side wall support shafts are respectively inserted in the fixed box and the plurality of concave bearing extrusion blocks in parallel, the plurality of side wall moving blocks are respectively and movably sleeved on the outer sides of the plurality of side wall support shafts, the plurality of supporting spring columns are respectively connected to the inner sides of the plurality of side wall moving blocks and the fixed box, the plurality of shear fork type supports are respectively installed on the outer sides of the plurality of side wall moving blocks, the plurality of telescopic extrusion spring columns are respectively installed on the outer sides of the plurality of side wall angle limiting blocks, the four pairs of limiting blocks are respectively installed on the inner sides of the two pairs of movable extrusion spring columns, the four pairs of limiting blocks are respectively installed on the inner sides of the two pairs of wall angle limiting blocks, and the four pairs of movable extrusion spring columns are respectively installed on the inner sides of wall angle limiting blocks, and the two pairs of limiting blocks.

According to the mounting structure of the automobile fuel cell manufactured by the technical scheme, the fuel cell is elastically extruded and fixed through the damping limiting fixing component, meanwhile, external force generated by shaking is converted into elastic deformation of the spring part in the damping limiting fixing component, and meanwhile, the external force is converted through the matching of sliding and the sliding block, and the limiting effect is achieved.

In some embodiments, the inside of the fixing box is further installed with an auxiliary connection assembly, the auxiliary connection assembly includes: the auxiliary connecting disc, the cable, the concave circular ring block, the square-shaped cable limiting block and the plurality of limiting cable shafts are arranged on the auxiliary connecting disc;

the side wall of the fixed box is provided with a cable connecting groove, a plurality of limiting cable shafts are respectively inserted in the cable connecting groove and the inner side of the clip cable limiting block, the cable is installed in the fuel cell, the cable is connected with the auxiliary connecting disc, the concave ring block is sleeved on the outer side of the auxiliary connecting disc, the concave ring block is respectively sleeved on the outer side of the inner limiting cable shafts of the clip cable limiting block, and the clip cable limiting block is sleeved on the outer side of the inner limiting cable shafts of the cable connecting groove.

In some embodiments, the inner side of the fixed box is further installed with a cooling assembly, the cooling assembly comprising: the cooling device comprises a pair of cooling liquid tanks, a plurality of cooling fins, a pair of liquid pumps, cooling liquid, a pair of shunt pipes and a plurality of cooling coil pipes;

the cooling coil pipes are uniformly inserted into the inner side of the fixed box, the pair of cooling liquid boxes are respectively installed on the outer sides of the fixed box, the plurality of cooling fins are respectively and uniformly installed on the outer sides of the pair of cooling liquid boxes, the pair of liquid pumps are respectively installed on the outer sides of the pair of cooling liquid boxes, the pair of shunt pipes are respectively installed on the pair of liquid pumps, the pair of shunt pipes are respectively connected to the plurality of cooling coil pipes, and the cooling liquid is respectively installed on the inner sides of the pair of cooling liquid boxes.

In some embodiments, the inside of the stationary box is provided with a temperature sensor.

In some embodiments, two pairs of circulation fans are provided inside the stationary box.

In some embodiments, two pairs of the circulation fans are respectively at an angle of 30 degrees with the inner side wall of the stationary box.

In some embodiments, the top end of the stationary box is provided with a flexible squeeze blanket.

In some embodiments, the plurality of extrusion plates and the two pairs of wall corner limiting blocks are respectively provided with a heat dissipation port.

In some embodiments, the humidity sensor is fixed in the tank.

An aspect of the second aspect of the invention claims an automotive fuel cell, which includes:

the fuel cell is internally provided with a chemical reaction assembly;

in the mounting structure of the automotive fuel cell according to the first aspect of the invention, the fuel cell is connected to the inside of the fixing box through the shock-absorbing limit fixing component and the auxiliary connecting component.

In some embodiments, the chemical reaction assembly comprises: a proton exchange membrane, a cathode catalyst layer, an anode catalyst layer, and a gas diffusion layer;

the gas diffusion layer is installed inside the fuel cell, the proton exchange membrane is installed inside the gas diffusion layer, and the cathode catalyst layer and the anode catalyst layer are respectively installed on both sides of the proton exchange membrane.

According to the automobile fuel cell manufactured by the technical scheme, the fuel cell is elastically extruded and fixed through the damping limiting fixing assembly, external force generated by shaking is converted into elastic deformation of the spring part in the damping limiting fixing assembly, meanwhile, the external force is converted through the matching of sliding and the sliding block, the limiting effect is achieved, and meanwhile, the phenomenon of discharging of a cable line due to shaking is avoided through the auxiliary connecting assembly.

Drawings

Fig. 1 is a schematic top view of an automotive fuel cell according to the present invention.

Fig. 2 is a schematic top cross-sectional view of an automotive fuel cell according to the present invention.

Fig. 3 is a schematic front sectional view of an automotive fuel cell according to the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 1.

Fig. 5 is an enlarged view of the structure of the portion B in fig. 2.

In the figure: 1. a fuel cell; 2. a fixed box; 3. a sidewall support shaft; 4. a side wall moving block; 5. a concave bearing extrusion block; 6. a pressing plate; 7. a scissor bracket; 8. a support spring sleeve; 9. the spring post is telescopically extruded; 10. a corner limiting block;

11. a clip-shaped limiting block; 12. a limiting transverse slideway; 13. limiting a transverse sliding block; 14. a longitudinal limiting slideway; 15. limiting a longitudinal sliding block; 16. a corner limiting spring post; 17. an auxiliary connecting disc; 18. a cable wire; 19. a concave circular ring block; 20. a clip cable stop block;

21. a limiting cable shaft; 22. a coolant tank; 23. a heat sink; 24. a liquid pump; 25. Cooling liquid; 26. a shunt tube; 27. the coil is cooled.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The invention is described in detail below with reference to the accompanying drawings, which show in fig. 1-5, and in some embodiments, an automotive fuel cell, comprising: fuel cell 1 and fixed case 2 installs the chemical industry reaction assembly in fuel cell 1, and fuel cell 1 connects in fixed case 2's inboard through spacing fixed subassembly of shock attenuation and supplementary coupling assembling, and cooling module is installed to fixed case 2's inboard.

Wherein, the spacing fixed subassembly of shock attenuation contains: the device comprises a plurality of side wall supporting shafts 3, a plurality of side wall moving blocks 4, a plurality of concave bearing extrusion blocks 5, a plurality of extrusion plates 6, a plurality of scissor brackets 7, a plurality of supporting spring sleeves 8, a plurality of telescopic extrusion spring columns 9, two pairs of corner limiting blocks 10, two pairs of clip limiting blocks 11, four pairs of limiting transverse slideways 12, four pairs of limiting transverse sliders 13, four pairs of limiting longitudinal slideways 14, four pairs of limiting longitudinal sliders 15 and a plurality of corner limiting spring columns 16.

A plurality of concave type bearing extrusion piece 5 is installed respectively in two pairs of stripper plates 6, a plurality of lateral wall back shaft 3 is parallel to the cartridge in fixed box 2 and a plurality of concave type bearing extrusion piece 5 respectively, a plurality of lateral wall movable block 4 is movable suit respectively in the outside of a plurality of lateral wall back shaft 3, a plurality of supporting spring sleeve 8 is respectively suit on a plurality of lateral wall back shaft 3, and a plurality of supporting spring sleeve 8 is connected respectively in the inboard of a plurality of lateral wall movable block 4 and fixed box 2, a plurality of shears the fork support 7 is installed respectively on the outside of a plurality of lateral wall movable block 4, the flexible extrusion spring post 9 of a plurality of is installed respectively on the outside of a plurality of lateral wall movable block 4.

Two pairs of movable extrusion grooves are formed in the bottom end of the inner side of the fixed box 2, four pairs of transverse slideways are respectively installed on the inner sides of the two pairs of movable extrusion grooves, four pairs of transverse sliders are respectively installed on the outer sides of two pairs of square limiting blocks 11, the four pairs of transverse sliders are respectively movably inserted into the inner sides of the four pairs of transverse slideways, four pairs of limiting longitudinal slideways 14 are respectively installed on the inner sides of the two pairs of square limiting blocks 11, four pairs of limiting longitudinal sliders 15 are respectively installed on the outer sides of two pairs of corner limiting blocks 10, and the four pairs of limiting longitudinal sliders 15 are respectively movably inserted into the inner sides of the four pairs of limiting longitudinal slideways 14.

The wall corner limiting spring columns 16 are respectively installed on the inner sides of the two pairs of movable extrusion grooves and the two pairs of square-shaped limiting blocks 11, and the other ends of the wall corner limiting spring columns 16 are respectively connected to the outer sides of the two pairs of square-shaped limiting blocks 11 and the outer sides of the two pairs of wall corner limiting blocks 10.

In some embodiments, the auxiliary connection assembly comprises: the auxiliary connecting disc 17, the cable 18, the concave circular ring block 19, the square-shaped cable limiting block 20 and a plurality of limiting cable shafts 21;

the cable spread groove has been seted up on the lateral wall of fixed case 2, a plurality of spacing cable axle 21 cartridge respectively in the cable spread groove and return the inboard of shape cable stopper 20, cable conductor 18 installs in fuel cell 1, and cable conductor 18 connects in auxiliary connection disc 17, concave type ring piece 19 suit is in the outside of auxiliary connection disc 17, and concave type ring piece 19 suit is on the outside of the inboard spacing cable axle 21 of a plurality of time shape cable stopper 20 respectively, return the shape cable stopper 20 suit on the outside of the inboard spacing cable axle 21 of cable spread groove, as preferred scheme, and is further, fuel cell has been avoided appearing connecting wire and fixed case junction to take place the phenomenon of colliding with wearing and tearing through auxiliary connection subassembly in rocking the in-process.

In some embodiments, the cooling assembly comprises: a pair of coolant tanks 22, a plurality of fins 23, a pair of pumping pumps 24, coolant 25, a pair of bypass pipes 26, and a plurality of cooling coil pipes 27; the cooling coil pipes 27 are uniformly inserted into the inner side of the fixed box 2, the pair of cooling liquid boxes 22 are respectively installed on the outer side of the fixed box 2, the plurality of cooling fins 23 are respectively and uniformly installed on the outer sides of the pair of cooling liquid boxes 22, the pair of pumping pumps 24 are respectively installed on the outer sides of the pair of cooling liquid boxes 22, the pair of branch pipes 26 are respectively installed on the pair of pumping pumps 24, the pair of branch pipes 26 are respectively connected to the plurality of cooling coil pipes 27, the cooling liquid 25 is respectively installed on the inner sides of the pair of cooling liquid boxes 22, and as a preferable scheme, the fuel cell is further hermetically cooled by a cooling structure.

In some embodiments, the chemical reaction assembly comprises: a proton exchange membrane, a cathode catalyst layer, an anode catalyst layer, and a gas diffusion layer; the gas diffusion layer is mounted inside the fuel cell 1, the proton exchange membrane is mounted inside the gas diffusion layer, and the cathode catalyst layer and the anode catalyst layer are respectively mounted on both sides of the proton exchange membrane.

In some embodiments, the inside of the stationary box 2 is provided with a temperature sensor, and preferably, further, the temperature of the equipment in the stationary box is monitored.

In some embodiments, two pairs of circulation fans are arranged inside the stationary box 2, preferably further, such that a rotating air flow is generated inside the stationary box.

In some embodiments, two pairs of circulation fans are each positioned at an angle of 30 degrees to the inside side wall of the stationary box 2, and preferably, further.

In some embodiments, the top end of the fixed box 2 is provided with a flexible extrusion rubber mat, and as a preferred scheme, further, the collision between the fuel cell and the top end of the fixed box is avoided.

In some embodiments, the plurality of pressing plates 6 and the two pairs of corner stoppers 10 are respectively provided with a heat dissipation port, as a preferable scheme, to further accelerate the heat dissipation of the fuel cell.

In some embodiments, the humidity sensor in the stationary box 2, preferably, further preferably, avoids the occurrence of phenomena not found by the liquid discharge.

The technical effect of this embodiment lies in, through the spacing fixed subassembly of shock attenuation, it is fixed to carry out the elasticity extrusion with fuel cell, and the external force that will rock the production simultaneously converts the elastic deformation of the spring part in the spacing fixed subassembly of shock attenuation, simultaneously through the cooperation of slip with the slider, falls external force conversion and reaches spacing effect simultaneously, has avoided the cable conductor phenomenon of unloading because of rocking to appear through supplementary coupling assembling simultaneously.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Specifically, the method comprises the following steps: by inserting the fuel cell 1 between two pairs of corner stoppers 10, extrude two pairs of corner stoppers 10 through the fuel cell 1, external force in the horizontal longitudinal direction converts into the spacing longitudinal slide 15 on two pairs of corner stoppers 10 both sides and moves in four pairs of spacing longitudinal slide 14 in two pairs of rectangular stopper 11 respectively, converts external force in the horizontal transverse direction into four pairs of spacing horizontal slide 13 on two pairs of rectangular stoppers 11 simultaneously for four pairs of spacing horizontal slide 13 move in four pairs of spacing horizontal slide 12 respectively in a flexible way.

Convert the ascending external force of horizontal direction into the elastic deformation of a plurality of corner spacing spring post 16 simultaneously, extrude through a plurality of corner spacing spring post 16 for 1 bottom four corners of fixed fuel cell is extruded to two pairs of corner stoppers 10, extrudees a plurality of stripper plate 6 through fuel cell 1 simultaneously, drives concave type bearing extrusion piece 5 on it respectively through a plurality of stripper plate 6, drives lateral wall back shaft 3 on it respectively through a plurality of concave type bearing extrusion piece 5.

Drive lateral wall movable block 4 on it respectively through a plurality of lateral wall back shaft 3, make a plurality of lateral wall movable block 4 respectively relative movement, make a plurality of lateral wall movable block 4 move along a plurality of lateral wall back shaft 3 respectively simultaneously, extrude supporting spring sleeve 8 and flexible extrusion spring post 9 on it respectively through a plurality of lateral wall movable block 4 simultaneously, make a plurality of supporting spring sleeve 8 and a plurality of flexible extrusion spring post 9 extrusion closely extrude fuel cell 1's lateral wall around with a plurality of stripper plate 6, thereby it is fixed to reach to extrude fuel cell 1 all around and bottom four corners, rock that the car removal in-process produced simultaneously through the spacing fixed subassembly of shock attenuation, convert into the spacing spring post 16 in a plurality of corner, the elastic deformation of a plurality of supporting spring sleeve 8 and a plurality of flexible extrusion spring post 9, thereby fuel cell 1 has been avoided producing and has collided the phenomenon that the appearance is leaked.

Meanwhile, the electric quantity in the fuel cell 1 is led out through the cable 18, the cable 18 is fixed in an auxiliary mode through the auxiliary connecting disc 17, and when the fuel cell 1 shakes, the auxiliary connecting disc 17 moves in the concave circular ring block 19 in a stretching mode.

Meanwhile, through the matching of the concave circular ring block 19, the square-shaped cable limiting block 20 and the limiting cable shafts 21, external force is converted into kinetic energy, and the phenomenon that the cable 18 collides is avoided.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (10)

1. The mounting structure of the automobile fuel cell comprises a fixed box and is characterized in that a damping limiting fixing component is mounted on the inner side of the fixed box;

the spacing fixed subassembly of shock attenuation contains: the device comprises a plurality of side wall support shafts, a plurality of side wall moving blocks, a plurality of concave bearing extrusion blocks, a plurality of extrusion plates, a plurality of scissor brackets, a plurality of support spring sleeves, a plurality of telescopic extrusion spring columns, two pairs of corner limiting blocks, two pairs of clip limiting blocks, four pairs of limiting transverse slideways, four pairs of limiting transverse sliders, four pairs of limiting longitudinal slideways, four pairs of limiting longitudinal sliders and a plurality of corner limiting spring columns; the device comprises a fixed box, a plurality of side wall support shafts, a plurality of side wall moving blocks, a plurality of side wall support shafts, a plurality of telescopic extrusion spring columns, a plurality of side wall moving blocks, a plurality of shear fork type supports, a plurality of transverse sliding blocks, a plurality of longitudinal limiting blocks, a plurality of wall angle limiting limit limiting blocks, a plurality of wall angle limiting blocks and a plurality of wall angle limiting blocks, wherein the plurality of concave bearing extrusion blocks are respectively installed on two pairs of extrusion plates, the plurality of side wall support shafts are respectively inserted in the fixed box and the plurality of concave bearing extrusion blocks in parallel, the plurality of side wall moving blocks are respectively movably sleeved on the outer sides of the plurality of side wall support shafts, the plurality of support spring columns are respectively sleeved on the plurality of side wall support shafts, the plurality of support spring columns are respectively connected to the inner sides of the plurality of side wall moving blocks and the fixed box, the plurality of shear fork type supports are respectively installed on the outer sides of the plurality of the side wall angle limiting blocks, the plurality of telescopic extrusion spring columns are respectively installed on the outer sides of the plurality of the side wall angle limiting blocks, two pairs of longitudinal limiting blocks are respectively installed on the inner sides of the longitudinal limiting blocks, the two pairs of longitudinal limiting blocks, the wall angle limiting blocks are respectively installed on the inner sides of the longitudinal limiting blocks, and the longitudinal limiting blocks are respectively installed on the wall angle limiting blocks;

wherein, supplementary coupling assembling is still installed to the inboard of fixed case, supplementary coupling assembling contains: the auxiliary connecting disc, the cable, the concave circular ring block, the square-shaped cable limiting block and the plurality of limiting cable shafts are arranged on the auxiliary connecting disc; the side wall of the fixed box is provided with a cable connecting groove, a plurality of limiting cable shafts are respectively inserted in the cable connecting groove and the inner side of the clip cable limiting block, the cable is installed in the fuel cell, the cable is connected with the auxiliary connecting disc, the concave ring block is sleeved on the outer side of the auxiliary connecting disc, the concave ring block is respectively sleeved on the outer side of the inner limiting cable shafts of the clip cable limiting block, and the clip cable limiting block is sleeved on the outer side of the inner limiting cable shafts of the cable connecting groove.

2. The mounting structure of an automotive fuel cell according to claim 1, characterized in that a cooling module is mounted to the inside of the stationary case, the cooling module comprising: the cooling device comprises a pair of cooling liquid tanks, a plurality of radiating fins, a pair of liquid pumps, cooling liquid, a pair of shunt tubes and a plurality of cooling coil tubes;

the cooling coil pipes are uniformly inserted into the fixed box, the pair of cooling liquid boxes are respectively installed on the outer sides of the fixed box, the plurality of cooling fins are respectively and uniformly installed on the outer sides of the pair of cooling liquid boxes, the pair of liquid pumps are respectively installed on the outer sides of the pair of cooling liquid boxes, the pair of shunt pipes are respectively installed on the pair of liquid pumps, the pair of shunt pipes are respectively connected with the plurality of cooling coil pipes, and the cooling liquid is respectively installed on the inner sides of the pair of cooling liquid boxes.

3. The mounting structure of an automotive fuel cell as described in claim 1, characterized in that a temperature sensor is provided inside said fixing case.

4. The mounting structure of an automotive fuel cell as defined in claim 1, wherein two pairs of circulation fans are provided inside the stationary case.

5. The mounting structure of an automotive fuel cell as defined in claim 4, wherein two pairs of said circulating fans are respectively disposed at an angle of 30 degrees with respect to the inside side walls of said stationary case.

6. The mounting structure of an automotive fuel cell as defined in claim 1, wherein a flexible pressing rubber pad is provided at the top end of the fixing case.

7. The mounting structure of an automotive fuel cell according to claim 1, wherein a plurality of said squeeze plates and two pairs of said wall corner stoppers are respectively provided with a heat dissipating port.

8. The mounting structure of an automotive fuel cell as described in claim 1, wherein said fixing in-tank humidity sensor.

9. An automotive fuel cell, comprising:

the fuel cell is internally provided with a chemical reaction assembly;

an installation structure of a fuel cell of an automobile according to any one of claims 2 to 8, wherein the fuel cell is connected to an inside of the fixing case through the shock-absorbing position-limiting fixing member and the auxiliary connection member.

10. The automotive fuel cell of claim 9, wherein the chemical reaction module comprises: a proton exchange membrane, a cathode catalyst layer, an anode catalyst layer, and a gas diffusion layer;

the gas diffusion layer is installed inside the fuel cell, the proton exchange membrane is installed inside the gas diffusion layer, and the cathode catalyst layer and the anode catalyst layer are respectively installed on both sides of the proton exchange membrane.

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