Transparent electrolytic bath

By using electrolytic cell end plates made of transparent material, the problem of uneven flow field distribution in the small chambers of the electrolytic cell was solved, enabling intuitive observation of the flow and reference for optimized design.

CN223633484UActive Publication Date: 2025-12-05HYDROGEN ENERGY (JIANGSU) CO LTD +1
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Patent Information

Application Number
CN202423247783.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The flow field distribution in the small chambers of existing electrolyzers is uneven, making it impossible to fully understand the actual flow conditions through simulation data, which affects the optimization of the flow field structure.

Method used

The end plate is made of transparent material, allowing for observation of the internal flow channels and distribution through visualization of the electrolytic cell end plate. PMMA plates or glass plates are used as transparent materials.

Benefits of technology

This allows for intuitive observation of the flow and distribution of electrolyte and gas-liquid mixture within the flow field region of the electrolysis chamber, providing a reference for flow field optimization design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transparent electrolytic bath which comprises the following components which are fixed together: a first end pressing plate (1), a gasket (2), a cathode current-conducting plate (3), a cathode electrode (4), a diaphragm (5), an anode electrode (6), an anode current-conducting plate (7), a second end pressing plate (8) and a tensioning device (9). The first end pressing plate (1) and the second end pressing plate (8) are made of transparent materials. The transparent electrolytic cell can be used for observing the conditions inside the small electrolytic chamber during operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydrogen production equipment of electrolytic water, specifically relates to a transparent electrolytic cell. BACKGROUND

[0002] With the promotion of "carbon neutralization, carbon peak", hydrogen energy is considered as the most potential clean energy in the 21st century, the development of water electrolysis hydrogen production technology plays a very important role for the popularity of hydrogen energy, and the core component electrolytic cell is an important component, with the progress of technology, large scale electrolytic cell appears frequently, large scale electrolytic cell brings the increase of electrolytic cell volume and the increase of small chamber diameter, but the disadvantage brought by the increase of diameter is that the flow field distribution of small chamber is uneven.

[0003] At present, the flow field distribution of electrolytic cell can only be obtained through simulation data and experimental energy consumption data, and the difference between simulation and actual flow condition cannot be completely understood, the objective law in the flow field of small chamber cannot be completely mastered, and the subsequent flow field structure optimization is also affected. Therefore, a visual electrolytic cell is urgently needed to observe the flow field law intuitively and clearly.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] In order to solve the above problems, the utility model provides a transparent electrolytic cell, and the end pressure plates on the two sides of the outside are plates made of transparent materials.

[0006] The technical scheme of the utility model is as follows:

[0007] A transparent electrolytic cell comprises the following components fixed together: a first end pressure plate 1, a gasket 2, a cathode conductive plate 3, a cathode electrode 4, a diaphragm 5, an anode electrode 6, an anode conductive plate 7, a second end pressure plate 8 and a tensioning device 9; the assembly sequence of the electrolytic cell body is as follows: the first end pressure plate 1, the cathode conductive plate 3, the cathode electrode 4, the diaphragm 5, the anode electrode 6 and the anode conductive plate 7 between the second end pressure plate 8; the gasket 2 is arranged between the first end pressure plate 1 and the cathode conductive plate 3, between the cathode conductive plate 3 and the anode conductive plate 7 and between the anode conductive plate 7 and the second end pressure plate 8, and is used for insulating and sealing the cell body; the tensioning device 9 is used for fixing the completed electrolytic cell after assembly; the diaphragm 5 has independent cathode chambers and anode chambers on the two sides; the first end pressure plate 1 and the second end pressure plate 8 are uniformly provided with the convex support structure; the convex support structure on the first end pressure plate 1 abuts against the cathode electrode 4 and makes the cathode electrode 4 tightly adhere to one side of the diaphragm 5; the convex support structure on the second end pressure plate 8 abuts against the anode electrode 6 and makes the anode electrode 6 tightly adhere to the other side of the diaphragm 5; the first end pressure plate 1 and / or the second end pressure plate 8 are plates made of transparent materials. The flow channel and distribution in the electrolytic cell are observed through the visual electrolytic cell end pressure plate.

[0008] Preferably, the cathode conductive plate 3 is provided with an electrode table 10 and a diaphragm table 11 for placing and limiting the anode electrode 6 and the diaphragm 5; the anode conductive plate 7 is provided with an electrode table 70 for placing and limiting the cathode electrode 4; the cathode conductive plate 3 leads out a terminal to connect the negative pole of an external power supply, and the anode conductive plate 7 leads out a terminal to connect the positive pole of an external power supply.

[0009] Preferably, the plate made of transparent material is an acrylic plate, a PMMA plate or a glass plate.

[0010] The utility model discloses the beneficial effects of the following:

[0011] The utility model discloses a transparent electrolytic cell, through using transparent end pressure plate, can be observed to electrolytic cell internal flow channel and distribution by electrolytic cell end pressure plate. The utility model discloses a transparent electrolytic cell can very directly to electrolytic cell flow field area in the electrolyte and gas-liquid mixture's flow and distribution, and provide the reference for the subsequent flow field optimization design. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole schematic view of the utility model's transparent electrolytic cell.

[0013] Figure 2 It is the utility model's transparent electrolytic cell explosion map.

[0014] Figure 3 It is the utility model's cathode conductive plate schematic view.

[0015] Figure 4 It is the utility model's anode conductive plate schematic view.

[0016] The figure mark is: 1, first end pressure plate;2, gasket;3, cathode conductive plate;4 cathode electrode;5, diaphragm;6, anode electrode;7, anode conductive plate;8, second end pressure plate;9, tensioning device;10, electrode table;11, diaphragm table; DETAILED DESCRIPTION

[0017] The utility model will be described clearly and completely below in combination with the technical solutions in the embodiments, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Other technical solutions obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0018] As Figures 1-4As shown, the utility model discloses a transparent electrolytic cell, including the following components fixed together: first end pressing plate 1, gasket 2, cathode conductive plate 3, cathode electrode 4, diaphragm 5, anode electrode 6, anode conductive plate 7, second end pressing plate 8 and tensioning device 9, the assembly sequence of electrolytic cell body is first end pressing plate 1, cathode conductive plate 3, cathode electrode 4, diaphragm 5, anode electrode 6, anode conductive plate 7 between second end pressing plate 8, gasket 2 is arranged between first end pressing plate 1 and cathode conductive plate 3, between cathode conductive plate 3 and anode conductive plate 7, between anode conductive plate 7 and second end pressing plate 8 for insulating and sealing tank body, is fixed to become finished electrolytic cell through tensioning device 9 after assembly, the both sides of diaphragm 5 are independent cathode chamber and anode chamber, the first end pressing plate 1 and second end pressing plate 8 all uniformly arrange milk convex support structure, the milk convex support structure on first end pressing plate 1 is in abutment on cathode electrode 4, and makes cathode electrode 4 tightly adhere to one side of diaphragm 5, the milk convex support structure on second end pressing plate 8 is in abutment on anode electrode 6, and makes anode electrode 6 tightly adhere to the other side of diaphragm 5, the first end pressing plate 1 and / or second end pressing plate 8 are all made of the plate of transparent material. Figures 1-2 As shown, the utility model discloses first end pressing plate 1 and second end pressing plate 8 all select PMMA plate. Through the observation of the electrolytic cell end pressing plate of visualization, the flow and distribution of electrolyte and gas-liquid mixture in the electrolytic cell chamber flow field area can be very intuitive, which provides reference for the subsequent optimization design of flow field.

[0019] Wherein, the cathode conductive plate 3 is provided with electrode table 10 and diaphragm table 11 for placing anode electrode 6 and diaphragm 5 and limiting them, as shown in Figure 3 Wherein, the anode conductive plate 7 is provided with electrode table 70 for placing cathode electrode 4 and limiting it, as shown in Figure 4 The cathode conductive plate 3 leads out terminal connection external power negative pole, and the anode conductive plate 7 leads out terminal connection external power positive pole. It is equivalent to that external power does not pass through support structure conduction and directly connects electrode, provides potential difference for cathode and anode through the positive pole and negative pole of external power, makes electrolytic cell electrolysis reaction and produces hydrogen and oxygen.

[0020] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A transparent electrolytic cell, characterized by The electrolytic cell comprises the following components fixed together: a first end pressing plate (1), a gasket (2), a cathode conductive plate (3), a cathode electrode (4), a diaphragm (5), an anode electrode (6), an anode conductive plate (7), a second end pressing plate (8) and a tensioning device (9); the assembly sequence of the electrolytic cell body is as follows: the first end pressing plate (1), the cathode conductive plate (3), the cathode electrode (4), the diaphragm (5), the anode electrode (6), the anode conductive plate (7) and the second end pressing plate (8) in sequence; the gasket (2) is arranged between the first end pressing plate (1) and the cathode conductive plate (3), between the cathode conductive plate (3) and the anode conductive plate (7) and between the anode conductive plate (7) and the second end pressing plate (8) for insulating and sealing the cell body; the electrolytic cell is fixed by the tensioning device (9) after assembly; the diaphragm (5) divides the cathode chamber and the anode chamber; the first end pressing plate (1) and the second end pressing plate (8) are uniformly provided with the protruding support structures; the protruding support structures on the first end pressing plate (1) abut against the cathode electrode (4) and make the cathode electrode (4) tightly contact one side of the diaphragm (5); the protruding support structures on the second end pressing plate (8) abut against the anode electrode (6) and make the anode electrode (6) tightly contact the other side of the diaphragm (5); the first end pressing plate (1) and / or the second end pressing plate (8) are made of a transparent material.

2. The transparent cell according to claim 1, characterized in that The cathode conductive plate (3) is provided with an electrode platform (10) and a diaphragm platform (11) for placing and limiting the anode electrode (6) and the diaphragm (5); the anode conductive plate (7) is provided with an electrode platform (10) for placing and limiting the cathode electrode (4); the cathode conductive plate (3) leads out a terminal connected to the negative pole of an external power supply, and the anode conductive plate (7) leads out a terminal connected to the positive pole of the external power supply.

3. The transparent cell according to claim 1, characterized in that, The transparent material plate is an acrylic plate, a PMMA plate or a glass plate.