Temperature-controllable and closed electrolytic tank for producing hydrogen by electrolyzing water

Abstract

The utility model discloses a temperature-controllable and closed electrolytic cell for producing hydrogen by electrolyzing water, which is characterized in that an anode electrolytic cell clamp and a cathode electrolytic cell clamp ensure that an anode electrode, a diaphragm and a cathode electrode can be stably arranged in a closed cavity formed by the two clamps through an innovative anode groove and cathode convex groove design; and the problem of electrolyte leakage caused by poor fitting of the clamp is effectively avoided. In addition, the two types of clamps are integrated with an advanced control system which comprises an intuitive display and an accurate temperature control button. The temperature control system is installed on the back of the clamp, operation is convenient, the temperature in the electrolytic bath can be monitored in real time through a displayer, a control button allows a user to finely adjust the temperature and time according to experiment requirements, and therefore the electrolyte temperature in the water electrolysis hydrogen production process is accurately controlled. According to the integrated design, the structure of the experimental device is simplified, the production cost is remarkably reduced, and the efficiency and convenience of experimental operation are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental device technical field relates to a temperature controllable closed electrolytic cell fixture device, concretely is a temperature controllable and closed electrolytic water hydrogen production electrolytic cell. BACKGROUND

[0002] The key of green hydrogen production lies in adopting efficient electrolytic water hydrogen production technology. In this process, water molecules will undergo electrochemical conversion under the action of direct current, and hydrogen gas will be generated at the cathode of the electrolytic cell, while oxygen gas will be generated at the anode. According to its operating mechanism and the difference of electrolyte used, electrolytic water hydrogen production technology can be divided into four categories: alkaline electrolytic water technology (ALK), proton exchange membrane electrolytic water technology (PEM), high-temperature solid oxide electrolytic water technology (SOEC), and solid polymer anion exchange membrane electrolytic water technology (AEM). These technologies have their own advantages and are jointly promoting the progress and development of green hydrogen production. However, both acidic electrolytic water and alkaline electrolytic water require a solid and durable electrolytic cell. In addition to the basic properties of acid and alkali resistance, the tightness of the electrolytic cell is a key indicator for testing the quality of the electrolytic cell. In the experimental process, in order to highlight the excellent performance of the catalyst, it is usually necessary to heat the electrolyte flowing into the electrolytic cell, so as to test the high temperature resistance of the catalyst. J. Am. Chem. Soc. 2024, 146, 20379-20390; Nature Communications, 2024, 15, 2728; Angew. Chem. Int. Ed. 2022, 61, e202206077 (4 of 10) Traditional electrolytic cell fixture devices often have complex structure and inconvenient operation during heating. Therefore, designing a good-tightness and temperature-controllable electrolytic cell fixture is of great significance for both acidic electrolytic water and alkaline electrolytic water. SUMMARY

[0003] In order to solve the above problems, the utility model provides a kind of temperature-controllable and closed electrolytic water hydrogen production electrolytic cell device. The device structure is simple, easy to operate.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] The utility model provides a temperature -controllable and sealed hydrogen -producing electrolytic cell of electrolytic water, including anode electrolytic cell clamp, anode electrode, diaphragm, cathode electrode, cathode electrolytic cell clamp, the anode electrolytic cell clamp includes screw hole, control system, display, temperature -controlling button, anode recess, serpentine bend, liquid inlet pipe and liquid outlet pipe, the cathode electrolytic cell clamp includes screw hole, control system, display, temperature -controlling button, cathode convex slot, serpentine bend, liquid inlet pipe and liquid outlet pipe, the anode electrolytic cell clamp and cathode electrolytic cell clamp are inlaid together through anode recess and cathode convex slot, and the anode electrode, diaphragm and cathode electrode are placed in the cavity between two clamps in proper order, prevent the anode electrolytic cell clamp and cathode electrolytic cell clamp from leaking out due to inlaid badly, the anode electrolytic cell clamp and cathode electrolytic cell clamp all contain serpentine bend, can guarantee that enough electrolyte flows through anode electrode and cathode electrode unceasingly, the anode electrolytic cell clamp and cathode electrolytic cell clamp all have liquid inlet pipe and liquid outlet pipe, guarantee that electrolyte goes in and goes out, the anode electrolytic cell clamp and cathode electrolytic cell clamp all have control system, display, temperature -controlling button, the control system is installed at the back of anode electrolytic cell clamp and cathode electrolytic cell clamp, and the display shows the temperature of electrolytic cell, and the control button can accurately control temperature and time, thereby guaranteeing the electrolyte temperature when hydrogen is produced by electrolytic water, and better simulation industrial hydrogen -producing electrolytic water condition can be reached.

[0006] Preferably, the shape of the anode recess and the anode convex slot is a hexadecagon.

[0007] Preferably, the serpentine bend contained in the anode electrolytic cell clamp and the cathode electrolytic cell clamp is ten, which can ensure that enough electrolyte flows through the anode electrode and the cathode electrode unceasingly.

[0008] Preferably, the shape of the liquid inlet pipe and the liquid outlet pipe is a heptagon.

[0009] Preferably, the anode electrolytic cell clamp and the cathode electrolytic cell clamp each contain eight screw holes, which ensure that the anode electrolytic cell clamp and the cathode electrolytic cell clamp are fixed tightly.

[0010] The innovation of the experiment is that: the design of the anode groove and the cathode convex groove in the anode electrolytic cell clamp and the cathode electrolytic cell clamp can guarantee that the anode electrode, the diaphragm and the cathode electrode are arranged in the cavity between the two clamps, and prevent the electrolyte from leaking due to poor fitting of the anode electrolytic cell clamp and the cathode electrolytic cell clamp; the anode electrolytic cell clamp and the cathode electrolytic cell clamp are provided with a control system, a display and a temperature control button, the temperature control system is installed on the back of the anode electrolytic cell clamp and the cathode electrolytic cell clamp, the display displays the temperature of the electrolytic cell, and the control button can accurately control the temperature and the time, so that the temperature of the electrolyte during electrolysis of water to produce hydrogen can be guaranteed, and the conditions for better simulation of industrial electrolysis of water to produce hydrogen can be achieved. The temperature control system and the clamp are integrated, the experimental device is simplified, the production cost is reduced, and the experimental efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a whole view of the controllable temperature and sealed electrolytic cell for hydrogen production by electrolysis of water in the embodiment of the utility model.

[0012] Figure 2 It is a back view of the controllable temperature and sealed anode and cathode electrolytic cell clamp in the embodiment of the utility model.

[0013] Figure 3 It is a front view of the controllable temperature and sealed anode and cathode electrolytic cell clamp in the embodiment of the utility model.

[0014] Figure 4 It is a top view of the controllable temperature and sealed anode and cathode electrolytic cell clamp in the embodiment of the utility model.

[0015] Figure 5 It is a side view of the controllable temperature and sealed anode and cathode electrolytic cell clamp in the embodiment of the utility model.

[0016] Figure 6 It is an assembly view of the controllable temperature and sealed electrolytic cell for hydrogen production by electrolysis of water in the embodiment of the utility model.

[0017] Wherein: 1-anode electrolytic cell clamp, 2-anode electrode, 3-diaphragm, 4-cathode electrode, 5-cathode electrolytic cell clamp, 6-screw hole, 7-control system, 8-display, 9-temperature control button, 10-anode groove, 11-cathode convex groove, 12-snake bend, 13-liquid inlet pipe, 14-liquid outlet pipe DETAILED DESCRIPTION

[0018] The devices used in the following examples are all existing devices unless otherwise specified.

[0019] An embodiment of the controllable temperature and sealed electrolytic cell for hydrogen production by electrolysis of water

[0020] The embodiment is a controllable temperature and sealed electrolytic cell for hydrogen production by electrolysis of water, and the overall structure is as shown in the figure. Figure 1As shown, it mainly comprises 1-anode electrolytic cell clamp, 2-anode electrode, 3-diaphragm, 4-cathode electrode, 5-cathode electrolytic cell clamp. Figure 2 As shown, 1-anode electrolytic cell clamp comprises 6-screw hole, 7-control system, 8-display, 9-temperature control button; 5-cathode electrolytic cell clamp comprises 6-screw hole, 7-control system, 8-display, 9-temperature control button; as shown Figure 3 As shown, 1-anode electrolytic cell clamp further comprises 10-anode groove, 12-snake bend, 13-liquid inlet pipe, 14-liquid outlet pipe; 5-cathode electrolytic cell clamp further comprises 11-cathode groove, 12-snake bend, 13-liquid inlet pipe, 14-liquid outlet pipe; 1-anode electrolytic cell clamp and 5-cathode electrolytic cell clamp are fitted together through 10-anode groove and 11-cathode groove, 2-anode electrode, 3-diaphragm and 4-cathode electrode are sequentially arranged in the cavity between the two clamps, the shape of 10-anode groove and 11-cathode groove is hexadecagon, which prevents electrolyte from leaking due to poor fitting of 1-anode electrolytic cell clamp and 5-cathode electrolytic cell clamp; 1-anode electrolytic cell clamp and 5-cathode electrolytic cell clamp both contain 12-snake bend, which is ten, and can ensure that enough electrolyte continuously flows through 2-anode electrode and 4-cathode electrode; 1-anode electrolytic cell clamp and 5-cathode electrolytic cell clamp both have 13-liquid inlet pipe and 14-liquid outlet pipe, which ensure that electrolyte flows in from the bottom and flows out from the top; 1-anode electrolytic cell clamp and 5-cathode electrolytic cell clamp both have 7-control system, 8-display and 9-temperature control button, 7-control system is installed on the back of 1-anode electrolytic cell clamp and 5-cathode electrolytic cell clamp, 8-display displays the temperature of electrolytic cell, and 9-temperature control button can accurately control the temperature and time, so as to ensure the temperature of electrolyte when electrolyzing water to produce hydrogen, and better simulate the conditions of industrial electrolysis of water to produce hydrogen.

[0021] The embodiment is only a preferred embodiment of the present application, and is not a limitation on other forms of the present application. Any skilled person in the art can use the above technical content as inspiration to make changes or modifications to equivalent embodiments. Any simple modification, equivalent change and modification of the above embodiments without departing from the technical essence of the present application still falls within the protection scope of the present application.

Claims

1. A temperature-controllable and sealed hydrogen production electrolyzer for electrolysis of water, characterized in that: It includes anode electrolytic cell clamp (1), anode electrode (2), diaphragm (3), cathode electrode (4), cathode electrolytic cell clamp (5), the anode electrolytic cell clamp (1) includes screw hole (6), control system (7), display (8), temperature control button (9), the cathode electrolytic cell clamp (5) includes screw hole (6), control system (7), display (8), temperature control button (9), the anode electrolytic cell clamp (1) still includes anode recess (10), serpentine bend (12), liquid inlet pipe (13), liquid outlet pipe (14), the cathode electrolytic cell clamp (5) still includes cathode convex groove (11), serpentine bend (12), liquid inlet pipe (13), liquid outlet pipe (14), the anode electrolytic cell clamp (1) and cathode electrolytic cell clamp (5) are inlaid together through anode recess (10) and cathode convex groove (11), the anode electrode (2), diaphragm (3) and cathode electrode (4) are placed in the cavity between two clamps in sequence, the anode electrolytic cell clamp (1) and cathode electrolytic cell clamp (5) both have liquid inlet pipe (13) and liquid outlet pipe (14), ensure that electrolyte goes in and goes out, the anode electrolytic cell clamp (1) and cathode electrolytic cell clamp (5) both have control system (7), display (8), temperature control button (9), the control system (7) is installed on the back of anode electrolytic cell clamp (1) and cathode electrolytic cell clamp (5), display (8) shows the temperature of electrolytic cell, temperature control button (9) can accurately regulate temperature and time.

2. The temperature-controllable and sealed hydrogen production electrolyzer according to claim 1, wherein: The shape of the anode recess (10) and cathode convex groove (11) is hexadecagon.

3. The temperature-controllable and sealed hydrogen production electrolyzer of claim 1, wherein: The anode electrolytic cell clamp (1) and cathode electrolytic cell clamp (5) both contain serpentine bend (12). 4.The temperature-controllable and sealed hydrogen production electrolyzer according to claim 1 or 3, characterized in that: The serpentine bend is ten, which can ensure that enough electrolyte flows through anode electrode (2) and cathode electrode (4) continuously.

5. The temperature-controllable and sealed hydrogen production electrolyzer of claim 1, wherein: The liquid inlet pipe and liquid outlet pipe are heptagon.

6. The temperature-controllable and sealed hydrogen production electrolyzer of claim 1, wherein: The anode electrolytic cell clamp and cathode electrolytic cell clamp each contain eight screw holes.

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