A hydrogen storage gas adsorption test device

Abstract

The present invention belongs to the technical field of hydrogen storage capacity testing, and in particular relates to a hydrogen storage gas adsorption testing device, comprising a hydrogen compression tank body; a buffer mechanism, the inlet end of the buffer mechanism is connected to the outlet end of the hydrogen compression tank body, for transferring hydrogen and slowing down the outlet pressure of the hydrogen compression tank body; a dehumidification mechanism, the inlet end of the dehumidification mechanism is connected to the outlet end of the buffer mechanism, for removing water vapor in the hydrogen; an air pressure regulator, the inlet end of the air pressure regulator is connected to the outlet end of the dehumidification mechanism, for adjusting the hydrogen pressure; an adsorption tank body, the inlet end of the adsorption tank body is connected to the outlet end of the air pressure regulator, for adsorbing and storing hydrogen; a desorption component, the desorption component is connected to the adsorption tank body, for cleaning impurities in the adsorption tank body; a water bath mechanism, the adsorption tank body is located in the water bath mechanism, for adjusting the temperature of the adsorption tank body and recording the weight change of the adsorption tank body. The present application can achieve the purpose of effectively improving the test accuracy.

Description

Technical Field

[0001] The invention belongs to the technical field of hydrogen storage capacity testing, and in particular relates to a hydrogen storage gas adsorption testing device. Background Art

[0002] With the growing expansion of the hydrogen energy industry and the large-scale development of hydrogen energy, the availability of a large number of components related to hydrogen media has also greatly increased. However, as hydrogen is a flammable and explosive substance, how to ensure its safety when using hydrogen-related components and systems on a large scale has become an inevitable factor. The storage capacity of hydrogen represents the ability to use hydrogen on a large scale. At present, due to the limitations of test conditions, hydrogen storage tests are mostly in a theoretical state, and the test equipment and test environment requirements are high. Durability and reliability have always been difficult problems in the industry. There are few test equipment, and it is difficult to meet the test qualification requirements. Therefore, there is an urgent need for a method that can test the hydrogen adsorption storage state and effectively improve the test accuracy. Summary of the Invention

[0003] The purpose of the present invention is to provide a hydrogen storage gas adsorption testing device to solve the above problems and effectively improve the testing accuracy.

[0004] To achieve the above object, the present invention provides the following solution: a hydrogen storage gas adsorption test device, comprising

[0005] Hydrogen compression tank;

[0006] A buffer mechanism, wherein the inlet end of the buffer mechanism is connected to the outlet end of the hydrogen compression tank, and the buffer mechanism is used to transfer hydrogen and reduce the outlet pressure of the hydrogen compression tank;

[0007] a dehumidification mechanism, wherein an inlet end of the dehumidification mechanism is connected to an outlet end of the buffer mechanism, and the dehumidification mechanism is used to remove water vapor in the hydrogen;

[0008] an air pressure regulator, wherein the inlet end of the air pressure regulator is connected to the outlet end of the dehumidification mechanism, and the air pressure regulator is used to adjust the hydrogen pressure;

[0009] an adsorption tank body, wherein the inlet end of the adsorption tank body is connected to the outlet end of the gas pressure regulator, and the adsorption tank body is used to adsorb and store hydrogen;

[0010] a desorption component, the desorption component being in communication with the adsorption tank body and being used for cleaning impurities in the adsorption tank body;

[0011] A water bath mechanism, wherein the adsorption tank body is located in the water bath mechanism, and the water bath mechanism is used to adjust the temperature of the adsorption tank body and record the weight change of the adsorption tank body.

[0012] Preferably, the buffer mechanism includes a buffer box, which is connected between the hydrogen compression tank and the dehumidification mechanism. A valve body assembly is fixedly connected to the inner top wall of the buffer box. The two sides of the valve body assembly are respectively fixedly connected with a first pipe and a second pipe and are also respectively fixed through the side walls of the buffer box. The bottom of the valve body assembly is fixedly connected with a rubber bag. A top plate is vertically slidably connected to the inner wall of the buffer box. A second spring is abutted between the top plate and the inner bottom wall of the buffer box, and the rubber bag is correspondingly arranged above the top plate.

[0013] Preferably, the valve body assembly includes a first fixed shell fixedly connected to the inner top wall of the buffer box body, a first channel is opened in the first fixed shell body, a rolling body is slidably connected in the first channel, an outlet of the first pipe passes through one side of the buffer box body and is also fixedly connected to the first channel, an inlet of the second pipe passes through the other side of the buffer box body and is also fixedly connected to the first channel, a first spring is abutted between one side of the rolling body and the inlet of the second pipe, the other side of the rolling body abuts against the outlet of the first pipe, and the top of the rubber bag is fixedly connected to the bottom side of the first channel.

[0014] Preferably, the dehumidification mechanism includes a dehumidification tank body, a water filter unit is provided in the dehumidification tank body, a drying unit is provided on the outside of the water filter unit, the outlet end of the second pipe passes through the top of the water filter unit and is also fixedly connected to the inner bottom wall of the dehumidification tank body, and the outlet end of the water filter unit is fixedly connected to the inlet end of the air pressure regulator.

[0015] Preferably, the water filtration unit includes a third fixed shell, which is fixedly connected to the top of the dehumidification tank body, and a hollow column and a gas dehumidification membrane are vertically fixedly connected on the inner side of the third fixed shell. The hollow column is located in the gas dehumidification membrane and also forms a conformal channel with the inner wall of the gas dehumidification membrane. The hollow column is fixedly connected between the top wall and the bottom wall of the dehumidification tank body, and the drying unit is located on the outside of the gas dehumidification membrane. The outlet end of the second pipe is connected to the bottom of the conformal channel, and the top of the conformal channel is fixedly connected to the inlet end of the gas pressure regulator through the third fixed shell.

[0016] Preferably, the inner bottom wall of the dehumidification tank body is fixedly connected to a second fixed shell, the bottom of the conformal channel is connected to the outlet end of the second pipe through the second fixed shell, the outlet end of the second pipe is provided with a plurality of air outlets at equal circumferential intervals, and the plurality of air outlets are respectively connected to the bottom of the conformal channel, and the middle end of the hollow column is fixedly connected to a spiral blade, and the spiral blade is located in the conformal channel.

[0017] Preferably, the drying unit includes activated carbon, and the activated carbon is filled between the inner wall of the dehumidification tank and the outer wall of the gas dehumidification membrane.

[0018] Preferably, the water bath mechanism includes a water bath box, a fourth fixed shell is fixedly connected to the inner top wall of the water bath box, an electronic scale is placed on the inner bottom of the fourth fixed shell, an adsorption tank is placed on the electronic scale, the inlet of the adsorption tank passes through the top wall of the water bath box and is also connected to the outlet of the air pressure regulator, and the fourth fixed shell maintains the temperature by the hot water in the water bath box.

[0019] Preferably, the desorption component includes a power supply, the positive and negative electrodes of the power supply pass through the water bath body and the fourth fixed shell and are also connected to the adsorption tank body, and the outlet of the adsorption tank body passes through the water bath body and is fixedly connected to a negative pressure pump.

[0020] The present invention has the following technical effects: the main function of the hydrogen compression tank is to serve as a hydrogen source, providing a quantitative amount of hydrogen for adsorption testing; the main function of the buffer mechanism is to transfer hydrogen and reduce the outlet pressure of the hydrogen compression tank; the main function of the dehumidification mechanism is to remove water vapor in the hydrogen, effectively improving the accuracy of the hydrogen adsorption experiment; the main function of the air pressure regulator is to adjust the hydrogen pressure, which is convenient for testing the adsorption amount of hydrogen under different pressures; the main function of the adsorption tank is to adsorb and store hydrogen, and the temperature of the adsorption tank is adjusted by the water bath mechanism and the weight change of the adsorption tank is recorded; the main function of the desorption component is to ensure the test accuracy of the adsorption tank and clean the impurities in the adsorption tank in advance. Overall, the present application can test the hydrogen adsorption storage state and effectively improve the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 Schematic diagram of the overall testing device of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the buffer mechanism of the present invention;

[0024] Figure 3 This is a schematic diagram of the dehumidification mechanism structure of the present invention;

[0025] Figure 4 Schematic diagram of the water bath structure of the present invention;

[0026] Among them, 1. Hydrogen compression tank; 2. Buffer box; 3. Dehumidification tank; 4. Air pressure regulator; 5. Water bath box; 6. Negative pressure pump; 7. Power supply; 8. First pipeline; 9. Second pipeline; 10. First fixed shell; 11. Rolling body; 12. First channel; 13. First spring; 14. Rubber bag; 15. Top plate; 16. Second spring; 17. Cavity; 18. Third fixed shell; 19. Activated carbon; 20. Gas dehumidification membrane; 21. Hollow column; 22. Spiral blade; 23. Second channel; 24. Second fixed shell; 25. Air outlet; 26. Fourth fixed shell; 27. Adsorption tank; 28. Electronic scale; 29. ​​Conformal channel. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Reference Figure 1-4 As shown, the present invention provides a hydrogen storage gas adsorption test device, comprising

[0030] Hydrogen compression tank 1;

[0031] A buffer mechanism, the inlet end of the buffer mechanism is connected to the outlet end of the hydrogen compression tank body 1, and the buffer mechanism is used to transfer hydrogen and reduce the outlet pressure of the hydrogen compression tank body 1;

[0032] A dehumidification mechanism, wherein the inlet end of the dehumidification mechanism is connected to the outlet end of the buffer mechanism, and the dehumidification mechanism is used to remove water vapor in the hydrogen;

[0033] An air pressure regulator 4, the inlet end of which is connected to the outlet end of the dehumidification mechanism, and the air pressure regulator 4 is used to adjust the hydrogen pressure;

[0034] The adsorption tank 27 has an inlet end connected to the outlet end of the gas pressure regulator 4, and is used to adsorb and store hydrogen;

[0035] The desorption component is connected to the adsorption tank 27 and is used to clean the impurities in the adsorption tank 27;

[0036] The adsorption tank body 27 is located in the water bath mechanism, and the water bath mechanism is used to adjust the temperature of the adsorption tank body 27 and record the weight change of the adsorption tank body 27.

[0037] The main function of the hydrogen compression tank 1 is to serve as a hydrogen source, providing a fixed amount of hydrogen for the adsorption test; the main function of the buffer mechanism is to transfer hydrogen and reduce the outlet pressure of the hydrogen compression tank 1; the main function of the dehumidification mechanism is to remove water vapor from the hydrogen, effectively improving the accuracy of the hydrogen adsorption experiment; the main function of the air pressure regulator 4 is to adjust the hydrogen pressure, facilitating the testing of the amount of hydrogen adsorbed under different pressures; the main function of the adsorption tank 27 is to adsorb and store hydrogen, and the temperature of the adsorption tank 27 is adjusted by the water bath mechanism and the weight change of the adsorption tank 27 is recorded; the main function of the desorption component is to ensure the test accuracy of the adsorption tank 27 and to clean impurities in the adsorption tank 27 in advance. Overall, this application can test the hydrogen adsorption storage state and effectively improve the test accuracy.

[0038] A further optimized solution is that the buffer mechanism includes a buffer box 2, which is connected between the hydrogen compression tank 1 and the dehumidification mechanism. A valve body assembly is fixedly connected to the inner top wall of the buffer box 2, and the two sides of the valve body assembly are respectively fixedly connected with a first pipe 8 and a second pipe 9 and are also fixedly passed through the side walls of the buffer box 2. The bottom of the valve body assembly is fixedly connected with a rubber bag 14, and a top plate 15 is vertically slidably connected to the inner wall of the buffer box 2. A second spring 16 is abutted between the top plate 15 and the inner bottom wall of the buffer box 2, and the rubber bag 14 is correspondingly arranged above the top plate 15.

[0039] After the electronic control opens the valve on the hydrogen compression tank body 1, a certain amount of hydrogen is released into the buffer box body 2, and hydrogen is filled into the rubber bag 14 through the first pipe 8 and the valve body assembly. As the amount of hydrogen increases, the rubber bag 14 expands and pushes the top plate 15 to compress the second spring 16. At this time, a cavity 17 is formed in the buffer box body 2 above the top plate 15. When the hydrogen compression tank body 1 releases a certain amount of hydrogen, it automatically closes; under the joint reaction of the rubber bag 14 and the second spring 16, hydrogen is transported to the dehumidification mechanism through the valve body assembly.

[0040] A further optimized solution is that the valve body assembly includes a first fixed shell 10 fixedly connected to the inner top wall of the buffer box 2, a first channel 12 is opened in the first fixed shell 10, a rolling body 11 is slidably connected in the first channel 12, one side of the buffer box 2 is penetrated by the outlet of the first pipe 8 and is also fixedly connected to the first channel 12, the other side of the buffer box 2 is penetrated by the inlet of the second pipe 9 and is also fixedly connected to the first channel 12, a first spring 13 is abutted between one side of the rolling body 11 and the inlet of the second pipe 9, the other side of the rolling body 11 abuts against the outlet of the first pipe 8, and the top of the rubber bag 14 is fixedly connected to the bottom side of the first channel 12.

[0041] Initially, the rolling element 11 blocks the outlet of the first pipe 8 through the first spring 13; when hydrogen is transported into the rubber bag 14, the rolling element 11 is pushed by the circulating hydrogen to the inlet end of the second pipe 9 and blocks the inlet end of the second pipe 9. At this time, hydrogen flows from the outlet of the first pipe 8 through the first channel 12 into the rubber bag 14; when the hydrogen compression tank 1 stops outputting hydrogen, the rolling element 11 returns to its initial position under the action of the rebound force of the first spring 13, and under the joint reaction of the rubber bag 14 and the second spring 16, hydrogen is transported to the dehumidification mechanism through the valve body assembly, thereby achieving the purpose of transitioning hydrogen and reducing the outlet pressure of the hydrogen compression tank 1.

[0042] A further optimized solution is that the dehumidification mechanism includes a dehumidification tank body 3, a water filter unit is provided inside the dehumidification tank body 3, a drying unit is provided outside the water filter unit, the outlet end of the second pipe 9 passes through the top of the water filter unit and is also fixedly connected to the inner bottom wall of the dehumidification tank body 3, and the outlet end of the water filter unit is fixedly connected to the inlet end of the air pressure regulator 4.

[0043] The water vapor in the hydrogen can be separated by the water filtration unit, and then the water vapor in the hydrogen can be quickly absorbed by the drying unit to ensure the accuracy of the hydrogen during the test.

[0044] A further optimized solution is that the water filtration unit includes a third fixed shell 18, which is fixedly connected to the top of the dehumidification tank body 3. A hollow column 21 and a gas dehumidification membrane 20 are vertically fixedly connected on the inside of the third fixed shell 18. The hollow column 21 is located in the gas dehumidification membrane 20 and also forms a conformal channel 29 with the inner wall of the gas dehumidification membrane 20. The hollow column 21 is fixedly connected between the top wall and the bottom wall of the dehumidification tank body 3. The drying unit is located on the outside of the gas dehumidification membrane 20. The outlet end of the second pipe 9 is connected to the bottom of the conformal channel 29. The top of the conformal channel 29 is fixedly connected to the inlet end of the gas pressure regulator 4 through the third fixed shell 18.

[0045] The portion of the second pipe 9 located at the center of the hollow column 21 is the second channel 23. The outer side of the hollow column 21 is similar to a wave shape, which effectively improves the contact effect between the hydrogen and the inner wall of the gas dehumidification membrane 20, thereby improving the filtration effect; hydrogen enters from the second pipe 9, passes through the second channel 23 and enters the bottom of the conformal channel 29. After entering the conformal channel 29, the hydrogen contacts the inner wall of the gas dehumidification membrane 20. Through the characteristics of the gas dehumidification membrane 20 itself, the water vapor in the hydrogen is first separated and absorbed by the drying unit.

[0046] A further optimized solution is that the inner bottom wall of the dehumidification tank body 3 is fixedly connected to a second fixed shell 24, the bottom of the conformal channel 29 is connected to the outlet end of the second pipe 9 through the second fixed shell 24, and the outlet end of the second pipe 9 is provided with a plurality of air outlets 25 at equal intervals in the circumferential direction, and the plurality of air outlets 25 are respectively connected to the bottom of the conformal channel 29, and the middle end of the hollow column 21 is fixedly connected to a spiral blade 22, and the spiral blade 22 is located in the conformal channel 29.

[0047] In order to further improve the contact effect between hydrogen and the gas dehumidification membrane 20, when the hydrogen flows to the middle of the hollow column 21, it changes its flow direction after passing through the spiral blades 22, forming a spiral trend, which effectively improves the water filtration effect.

[0048] In a further optimized solution, the drying unit includes activated carbon 19 , which is filled between the inner wall of the dehumidification tank 3 and the outer wall of the gas dehumidification membrane 20 .

[0049] A further optimized solution is provided, in which the water bath mechanism includes a water bath box 5, a fourth fixed shell 26 is fixedly connected to the inner top wall of the water bath box 5, an electronic scale 28 is placed on the inner bottom of the fourth fixed shell 26, an adsorption tank 27 is placed on the electronic scale 28, the inlet of the adsorption tank 27 passes through the top wall of the water bath box 5 and is also connected to the outlet end of the air pressure regulator 4, and the fourth fixed shell 26 maintains the temperature through the hot water in the water bath box 5.

[0050] By controlling the temperature of the hot water in the water bath 5 , the test environment of the adsorption tank 27 is adjusted, thereby obtaining the adsorption amount of hydrogen in the adsorption tank 27 at different temperatures.

[0051] To further optimize the solution, the desorption component includes a power supply 7, the positive and negative poles of the power supply 7 pass through the water bath box 5 and the fourth fixed shell 26 and are also connected to the adsorption tank 27, and the outlet of the adsorption tank 27 passes through the water bath box 5 and is fixedly connected to the negative pressure pump 6.

[0052] Initially, the adsorption tank body 27 is filled with nitrogen, which is heated by the electrodes to release the adsorbed material in the adsorption tank body 27, and the nitrogen and impurities are sucked out by the negative pressure pump 6 to facilitate the introduction of hydrogen.

[0053] Before testing, the adsorption tank body 27 is cleaned to prevent the adsorption of residual substances in the tank body 27 and ensure the consistency of the test conditions.

[0054] To further optimize the solution, the adsorption tank body 27 is entirely made of nano-carbon fiber material.

[0055] As a further optimization solution, the gas pressure regulator 4 adopts existing pressure regulating equipment, including a pressure pump and a valve, to regulate the hydrogen input pressure.

[0056] To further optimize the solution, all hydrogen flow pipelines are connected with solenoid valves.

[0057] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0058] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A hydrogen storage gas adsorption test device, characterized in that: include Hydrogen compression tank (1); A buffer mechanism, wherein the inlet end of the buffer mechanism is connected to the outlet end of the hydrogen compression tank (1), and the buffer mechanism is used to transfer hydrogen and reduce the outlet pressure of the hydrogen compression tank (1); a dehumidification mechanism, wherein an inlet end of the dehumidification mechanism is connected to an outlet end of the buffer mechanism, and the dehumidification mechanism is used to remove water vapor in the hydrogen; An air pressure regulator (4), the inlet end of the air pressure regulator (4) being connected to the outlet end of the dehumidification mechanism, and the air pressure regulator (4) being used to adjust the hydrogen pressure; An adsorption tank body (27), wherein the inlet end of the adsorption tank body (27) is connected to the outlet end of the gas pressure regulator (4), and the adsorption tank body (27) is used for adsorbing and storing hydrogen; a desorption component, the desorption component being in communication with the adsorption tank body (27), and the desorption component being used for cleaning impurities in the adsorption tank body (27); A water bath mechanism, wherein the adsorption tank body (27) is located in the water bath mechanism, and the water bath mechanism is used to adjust the temperature of the adsorption tank body (27) and record the weight change of the adsorption tank body (27); The buffer mechanism comprises a buffer box (2), the buffer box (2) being connected between the hydrogen compression tank (1) and the dehumidification mechanism, a valve body assembly being fixedly connected to the inner top wall of the buffer box (2), and a first pipe (8) and a second pipe (9) being fixedly connected to both sides of the valve body assembly and also being fixedly passed through the side walls of the buffer box (2); The dehumidification mechanism comprises a dehumidification tank body (3), a water filter unit is provided in the dehumidification tank body (3), a drying unit is provided outside the water filter unit, the outlet end of the second pipe (9) penetrates from the top of the water filter unit and is also fixedly connected to the inner bottom wall of the dehumidification tank body (3), and the outlet end of the water filter unit is fixedly connected to the inlet end of the air pressure regulator (4); The water filtering unit comprises a third fixed shell (18), the third fixed shell (18) is fixedly connected to the top of the dehumidification tank body (3), a hollow column (21) and a gas dehumidification membrane (20) are vertically fixedly connected inside the third fixed shell (18), the hollow column (21) is located inside the gas dehumidification membrane (20) and forms a conformal channel (29) with the inner wall of the gas dehumidification membrane (20), the hollow column (21) is fixedly connected between the top wall and the bottom wall of the dehumidification tank body (3), the drying unit is located outside the gas dehumidification membrane (20), the outlet end of the second pipe (9) is communicated with the bottom of the conformal channel (29), and the top of the conformal channel (29) is fixedly communicated with the inlet end of the gas pressure regulator (4) through the third fixed shell (18); The inner bottom wall of the dehumidification tank body (3) is fixedly connected to a second fixed shell (24); the bottom of the conformal channel (29) is communicated with the outlet end of the second pipe (9) through the second fixed shell (24); the outlet end of the second pipe (9) is provided with a plurality of air outlets (25) at equal intervals in the circumferential direction; the plurality of air outlets (25) are respectively communicated with the bottom of the conformal channel (29); the middle end of the hollow column (21) is fixedly connected to a spiral blade (22); the spiral blade (22) is located in the conformal channel (29).

2. The hydrogen storage gas adsorption testing device according to claim 1, characterized in that: The bottom of the valve body assembly is fixedly connected to a rubber bag (14); a top plate (15) is vertically slidably connected to the inner wall of the buffer box (2); a second spring (16) is abutted between the top plate (15) and the inner bottom wall of the buffer box (2); and the rubber bag (14) is correspondingly arranged above the top plate (15).

3. The hydrogen storage gas adsorption testing device according to claim 2, characterized in that: The valve body assembly includes a first fixed shell (10) fixedly connected to the inner top wall of the buffer box (2), a first channel (12) is opened in the first fixed shell (10), a rolling body (11) is slidably connected in the first channel (12), an outlet of the first pipe (8) is passed through one side of the buffer box (2) and is also fixedly connected to the first channel (12), an inlet of the second pipe (9) is passed through the other side of the buffer box (2) and is also fixedly connected to the first channel (12), a first spring (13) is abutted between one side of the rolling body (11) and the inlet of the second pipe (9), the other side of the rolling body (11) is abutted against the outlet of the first pipe (8), and the top of the rubber bag (14) is fixedly connected to the bottom side of the first channel (12).

4. The hydrogen storage gas adsorption testing device according to claim 1, characterized in that: The drying unit comprises activated carbon (19), and the activated carbon (19) is filled between the inner wall of the dehumidification tank body (3) and the outer wall of the gas dehumidification membrane (20).

5. The hydrogen storage gas adsorption testing device according to claim 1, characterized in that: The water bath mechanism comprises a water bath box (5), a fourth fixed shell (26) is fixedly connected to the inner top wall of the water bath box (5), an electronic scale (28) is placed on the inner bottom of the fourth fixed shell (26), an adsorption tank (27) is placed on the electronic scale (28), the inlet of the adsorption tank (27) passes through the top wall of the water bath box (5) and is also connected to the outlet of the air pressure regulator (4), and the fourth fixed shell (26) maintains the temperature through the hot water in the water bath box (5).

6. The hydrogen storage gas adsorption testing device according to claim 5, characterized in that: The desorption component includes a power supply (7), the positive and negative electrodes of the power supply (7) pass through the water bath body (5) and the fourth fixed shell (26) and are also connected to the adsorption tank body (27), and the outlet of the adsorption tank body (27) passes through the water bath body (5) and is fixedly connected to a negative pressure pump (6).

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