CN219315098U - Electrode supporting device and electrolytic assembly - Google Patents
Electrode supporting device and electrolytic assembly Download PDFInfo
- Publication number
- CN219315098U CN219315098U CN202320610493.5U CN202320610493U CN219315098U CN 219315098 U CN219315098 U CN 219315098U CN 202320610493 U CN202320610493 U CN 202320610493U CN 219315098 U CN219315098 U CN 219315098U
- Authority
- CN
- China
- Prior art keywords
- electrode
- axial direction
- inlets
- reaction
- supporting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The application relates to an electrode support device and electrolytic assembly, the electrode support device includes: an electrode frame having a hollow cavity; the electrode frame is provided with an inlet and an outlet which are communicated with the reaction cavity respectively corresponding to each reaction cavity, and the electrode plate is provided with a bulge which protrudes along the axial direction; the protruding part is formed by recessing one end face of the polar plate in the axial direction to the side where the other end face is located, a recessed cavity communicated with one of the reaction cavities is formed in the protruding part, the length dimension of the protruding part in the first direction is larger than that in the second direction, and the first direction, the second direction and the axial direction are mutually intersected. The method can reduce the liquid flow resistance and improve the response rate to the power fluctuation of the renewable energy.
Description
Technical Field
The application relates to the technical field of electrolysis, in particular to an electrode supporting device and an electrolysis assembly.
Background
In recent years, with the gradual reduction of renewable energy cost, the demand for renewable energy hydrogen production is greatly improved. Electrolytic components are increasingly used to convert electricity into hydrogen and core equipment.
The existing electrolytic component has the defect that the electrode supporting device has high liquid flow resistance in working and low response rate to the power fluctuation of renewable energy sources.
Disclosure of Invention
The embodiment of the application provides an electrode supporting device and an electrolytic assembly, wherein the electrode supporting device can reduce liquid flow resistance and improve response rate to renewable energy power fluctuation.
In one aspect, according to an embodiment of the present application, there is provided an electrode supporting apparatus including: an electrode frame having a hollow cavity; the electrode frame is provided with an inlet and an outlet which are communicated with the reaction cavity respectively corresponding to each reaction cavity, and the electrode frame is provided with a bulge which protrudes along the axial direction; the protruding part is formed by recessing one end face of the polar plate in the axial direction to the side where the other end face is located, a recessed cavity communicated with one of the reaction cavities is formed in the protruding part, the length dimension of the protruding part in the first direction is larger than that in the second direction, and the first direction, the second direction and the axial direction are mutually intersected.
According to one aspect of an embodiment of the present application, the length dimension of the projection in the first direction is greater than the height dimension of the projection in the axial direction.
According to an aspect of the embodiments of the present application, in the first direction, the height dimension of the protruding portion in the axial direction tends to increase first and then decrease.
According to one aspect of an embodiment of the present application, the protrusion is one of semi-ellipsoidal, semi-oval, semi-rugby, and semi-pill-shaped.
According to one aspect of an embodiment of the present application, the first direction, the second direction, and the axial direction are perpendicular to each other.
According to one aspect of the embodiment of the application, the height of the protruding portion along the axial direction is a, wherein a is more than or equal to 4mm and less than or equal to 7mm.
According to one aspect of the embodiments of the present application, the number of the protrusions in the same reaction chamber is a plurality and the distribution density is 2400/m 2 About 3200 pieces/m 2 。
According to one aspect of the embodiments of the present application, in the reaction chambers disposed opposite to each other, a protrusion is disposed in each reaction chamber.
According to an aspect of the embodiment of the present application, the number of the inlets corresponding to the communication of each reaction chamber is two or more, and the two or more inlets are distributed at intervals in the circumferential direction of the electrode frame.
According to one aspect of the embodiment of the application, the number of the inlets which are correspondingly communicated with each reaction cavity is two, and an included angle between the two inlets in the circumferential direction is 50-70 degrees.
According to one aspect of the embodiment of the present application, the number of the inlets correspondingly communicated with each reaction chamber is three, in the circumferential direction, the three inlets include a main inlet and two auxiliary inlets, the two auxiliary inlets are located at two sides of the main inlet along the circumferential direction, and the flow rate of the auxiliary inlets is 1/4-1/3 of the flow rate of the main inlet.
In another aspect, there is provided an electrolytic assembly according to an embodiment of the present application, including the above-described electrode supporting device; the electrode supporting device is provided with an electrode in the reaction cavity, and the electrode is abutted to the protruding part.
According to the electrode supporting device and the electrolytic assembly provided by the embodiment of the application, the electrode supporting device comprises an electrode frame and a polar plate, the electrode frame is provided with a hollow cavity, an installation space is provided for the polar plate, and the polar plate can be arranged in the hollow cavity and is connected with the electrode frame to form a reaction cavity which is oppositely arranged, so that when the electrode supporting device is used for the electrode assembly and is provided with an electrode, the requirements of hydrogen production and the like can be met. The convex part protruding along the axial direction is arranged on the polar plate, the concave cavity communicated with one of the reaction cavities is formed in the convex part, and the concave cavity forms a circulating runner in the electrode supporting device, so that fluid can not directly flow upwards when entering the reaction cavity, and can not pass through bending gaps among a plurality of concave-convex structures, thereby being beneficial to enhancing the disturbance degree of flow, reducing concentration differences of the fluid at all positions in the runner, enabling the fluid distribution to be more uniform, reducing the energy consumption of electrolysis equipment and improving the stability of long-term operation of the electrolysis equipment. Meanwhile, the length dimension of the protruding part in the first direction is larger than that in the second direction, and the first direction, the second direction and the axial direction are mutually intersected, so that the liquid flow resistance can be reduced, and the response rate to the power fluctuation of the renewable energy source can be improved.
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of an electrode supporting apparatus according to one embodiment of the present application;
FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1;
FIG. 4 is a schematic view of the structure of a protrusion in an electrode supporting apparatus according to another embodiment of the present application;
FIG. 5 is a schematic view of the arrangement of the projections shown in FIG. 4;
FIG. 6 is a schematic view of the structure of a projection in an electrode supporting apparatus according to still another embodiment of the present application;
FIG. 7 is a schematic view of the arrangement of the projections shown in FIG. 6;
FIG. 8 is a schematic view of the structure of a projection in an electrode supporting apparatus according to still another embodiment of the present application;
FIG. 9 is a schematic view of the arrangement of the projections shown in FIG. 8;
FIG. 10 is a schematic view of the structure of an electrode supporting apparatus according to still another embodiment of the present application;
FIG. 11 is a schematic view of the structure of an electrolytic assembly according to one embodiment of the present application.
Wherein:
100-electrode support means;
10-electrode frame; 11-inlet; 111-main inlet; 112-auxiliary inlet; 12-outlet;
20-polar plate; 21-a projection; 22-concave cavities;
30-a reaction chamber;
200-electrode; 200 A-Anode; 200 b-cathode;
x-a first direction; y-a second direction; z-axis.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
Features and exemplary embodiments of various aspects of the present application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by showing an example of the present application. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present application; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the electrode supporting means and the electrolytic assembly of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the terms in the present application can be understood as appropriate by one of ordinary skill in the art.
In recent years, with the gradual reduction of renewable energy cost, the demand for renewable energy hydrogen production is greatly improved. Alkaline water baths convert electricity into hydrogen and core equipment, hereinafter referred to as electrode assemblies. The main principle is that direct current is introduced into the aqueous solution of potassium hydroxide, and electrochemical reaction can occur on the surfaces of the cathode and the anode.
The electrolysis assembly is formed by connecting a plurality of identical electrolysis cells in series. Each electrolysis cell comprises two polar plates, namely a cathode plate and an anode plate. The cathode and anode plates support two electrodes, a cathode and an anode. The cathode and anode electrodes are separated by a diaphragm. The diaphragm, the cathode and the anode plates respectively form a cathode chamber and an anode chamber. The membrane is used for isolating gas and conducting ions, so that hydrogen produced by the cathode chamber cannot enter the anode chamber to be mixed with oxygen.
Because the electrode is of a net-shaped porous flat plate structure, electric charge can be conducted to the electrode, alkali liquid smoothly flows through the electrode, hydrogen (or oxygen) generated by electrode reaction is quickly brought out of the electrolysis chamber, a corresponding electrode supporting device is required to be arranged to support the electrode, a cavity is formed in the electrolysis chamber, and the electrode supporting device and the electrode form an alkali liquid flow channel in the electrolysis chamber together.
The alkali flow channel in the electrolysis cell is important for heat and mass transfer of the electrochemical reaction in the electrode assembly.
At present, the scheme of the electrode supporting device of the domestic electrolysis cell mainly adopts a plate net structure and a mastoid plate form. The plate net structure is that a planar polar plate and a metal net with a 3D shape are welded together, and then electrodes are covered, so that a cavity and a flow channel structure are formed. The scheme has the problems of complicated processing and complicated flow channel. The mastoid is partially adopted, and due to structural limitation, the liquid flow resistance is increased during operation, and the response rate to the power fluctuation of the renewable energy source is low.
Wherein, the technical terms related to above are as follows:
an electrolysis cell: consists of a cathode, an anode, a diaphragm, alkali solution (alkali solution) and the like, and can generate hydrogen and oxygen by electrolysis under the action of direct current.
Electrode supporting means: the two ends of a complete cell structure are provided with chambers for flowing alkaline solution in a cathode region and an anode region, so that the flow distribution of the cathode alkaline solution and the anode alkaline solution is realized, the contents of oxygen in hydrogen and hydrogen in oxygen are reduced to a certain extent, and the operation safety of the electrolytic tank is ensured.
An electrode: one component of an electronic or electrical device, apparatus, is used as both ends for inputting or outputting electric current in a conductive medium (solid, gas, vacuum or electrolyte solution). One pole of the input current is called anode or positive pole, and one pole of the output current is called cathode or negative pole.
A diaphragm: in the electrolytic reaction, a thin film is used for separating the positive electrode from the negative electrode to prevent the direct reaction in the electrolytic cell from losing energy.
Based on the technical problems, the embodiment of the application provides a novel electrode supporting device and an electrolytic assembly, wherein the electrode supporting device can reduce liquid flow resistance and improve response rate to renewable energy power fluctuation.
As shown in fig. 1 to 3, an electrode supporting device 100 provided in an embodiment of the present application includes an electrode frame 10 and a polar plate 20, where the electrode frame 10 has a hollow cavity. The shape of the electrode plate 20 is matched with that of the hollow cavity and is connected with the electrode frame 10, the electrode plate 20 and the electrode frame 10 are enclosed together to form reaction cavities 30 which are oppositely arranged along the axial direction Z of the electrode frame 10, an inlet 11 and an outlet 12 which are communicated with the reaction cavities 30 are respectively arranged on the electrode frame 10 corresponding to each reaction cavity 30, and a convex part 21 which protrudes along the axial direction Z is arranged on the electrode plate 20. Wherein, the protruding portion 21 is formed by recessing one end face of the polar plate 20 in the axial direction Z toward the side of the other end face, a recessed cavity 22 communicating with one of the reaction chambers 30 is formed in the protruding portion 21, the length dimension of the protruding portion 21 in the first direction X is larger than the length dimension in the second direction Y, and the first direction X, the second direction Y and the axial direction Z are intersected with each other.
The electrode frame 10 may have a circular ring shape, an elliptical ring shape, or a polygonal ring shape, and may be a regular polygonal ring shape when it is a polygonal ring shape.
The shape of the electrode plate 20 is matched with the shape of the electrode frame 10, and it is understood that the front projection of the wall surface surrounding the hollow cavity along the axial direction Z is the same as the outer contour shape of the front projection of the electrode plate 20.
The thickness of the plate 20 in the axial direction Z is less than the depth of the hollow cavity. By placing the electrode plate 20 in the hollow cavity and connecting with the electrode frame 10, the hollow cavity is partitioned in the axial direction Z to form two reaction chambers 30 disposed opposite to each other. The electrode plate 20 and the electrode frame 10 may be connected by a fixed connection, for example, by welding, an integral structure, or the like. Of course, the connection may be made in a detachable manner, for example, by fastening with screws or the like.
The number of the inlets 11 and the outlets 12 provided opposite to each reaction chamber 30 may be one, or two or more.
The protruding portion 21 may be formed by punching or the like or by integral injection molding.
The protruding portion 21 may be provided in one of the reaction chambers 30 disposed opposite to each other, or the protruding portions 21 may be provided in both of the reaction chambers 30 disposed opposite to each other.
The angle at which the first direction X, the second direction Y and the axial direction Z intersect each other may be greater than 0 ° and less than 180 °, optionally any value between 60 ° and 120 °, optionally 90 °.
The electrode supporting device 100 provided by the embodiment of the application comprises an electrode frame 10 and a polar plate 20, wherein the electrode frame 10 is provided with a hollow cavity, an installation space is provided for the polar plate 20, the polar plate 20 can be arranged in the hollow cavity and connected with the electrode frame 10 to form a reaction cavity 30 which is arranged oppositely, and the reaction cavity can be used for a cathode chamber and an anode chamber.
Since the convex part 21 protruding along the axial direction Z is arranged on the polar plate 20, and the convex part 21 is formed by concave from one end surface of the polar plate 20 in the axial direction Z to the side where the other end surface is located, the concave cavity 22 communicated with one of the reaction cavities 30 is formed in the convex part 21, and the concave cavity 22 forms a circulating flow channel in the electrode supporting device 100, fluid can not directly flow upwards when entering the reaction cavity 30, and needs to pass through bending gaps among a plurality of concave-convex structures, so that the disturbance degree of the flow is enhanced, the concentration difference of the fluid in each part of the flow channel is reduced, the fluid distribution is more uniform, the energy consumption of electrolysis equipment is reduced, and the long-term running stability of the electrolysis equipment is improved.
Meanwhile, the length dimension of the protruding part 21 in the first direction X is larger than that in the second direction Y, and the first direction X, the second direction Y and the axial direction Z are mutually intersected, so that the fluid flow velocity can be increased, the fluid flow resistance can be reduced, and the response rate to the power fluctuation of the renewable energy source can be improved. And gas and heat can be taken away rapidly, so that the gas stagnation in the reaction cavity 30 is relieved, and the electrochemical reaction is controllable.
In addition, the electrode supporting device provided by the embodiment of the application can be directly molded in a stamping mode and the like, and the processing technology is simple.
In some alternative embodiments, the electrode-supporting apparatus 100 provided in the embodiments of the present application has a length dimension of the protruding portion 21 in the first direction X that is greater than a height dimension of the protruding portion 21 in the axial direction Z.
That is, the protruding portion 21 has a three-dimensional shape, and the length dimension of the protruding portion 21 in the first direction X is largest, and the length dimension in the second direction Y and the height dimension in the axial direction Z are smaller than the length dimension in the first direction X.
The length dimension of the projection 21 in the second direction Y and the height dimension in the axial direction Z may be larger than one another, and of course, may be equal.
According to the electrode supporting device 100 provided by the embodiment of the application, the length dimension of the protruding portion 21 in the first direction X is larger than the height dimension of the protruding portion 21 in the axial direction Z, so that the fluid can further reduce the fluid resistance, improve the fluid flow rate and improve the response rate to the power fluctuation of the renewable energy source in the process of entering the reaction cavity 30 and the concave cavity 22 from the inlet.
In some alternative embodiments, the electrode supporting apparatus 100 provided in the embodiments of the present application has a tendency that the height dimension of the protruding portion 21 in the axial direction Z increases and decreases in the first direction X.
Trends of increasing followed by decreasing include: the highest point which is gradually increased is gradually decreased. Of course, the method also comprises gradually increasing to the highest point, then keeping at the highest point for a distance, and then gradually decreasing.
According to the electrode supporting device 100 provided by the embodiment of the application, through the fact that the height dimension of the protruding portion 21 in the axial direction Z is increased and then reduced along the first direction X, fluid can not flow upwards directly when entering the reaction cavity 30, the fluid can not flow upwards through bending gaps among a plurality of concave-convex structures, the disturbance degree of flow is enhanced, concentration differences of the fluid at all positions in the flow channel are reduced, the fluid distribution is more uniform, accordingly, the energy consumption of electrolysis equipment is reduced, and the stability of long-term operation of the electrolysis equipment is improved. In addition, the arrangement mode is beneficial to the inflow and outflow of the fluid, can effectively reduce the resistance of the gap between the concave cavity 22 and the convex part 21 when the fluid flows in and out, and ensures the reaction rate.
As shown in fig. 1-9, in some alternative embodiments, the electrode-supporting device 100 provided in embodiments of the present application, the protrusion 21 is one of semi-ellipsoidal, semi-oval, semi-rugby, and semi-pill shaped.
As shown in fig. 1 to 3, the semi-ellipsoidal shape can be understood as: the ellipsoidal shape is a half ellipsoidal shape formed by cutting along its central plane, and when the protrusion 21 is a half ellipsoidal shape, the first direction X may be the extending direction of the major axis of the outer contour of the ellipsoidal bottom surface, and the second direction Y may be the extending direction of the minor axis of the outer contour of the ellipsoidal bottom surface.
As shown in fig. 4 and 5, the semi-egg sphere shape can be understood as: the three vertexes of the isosceles triangle form ellipses in pairs with given length to form a multi-section elliptic line which is connected to form an oval line. The axisymmetric shape, the half shape cut along the center plane aa is a half egg sphere shape.
As shown in fig. 6 and 7, the half football shape can be understood as: the two ends of the football shape are pointed ends, and the periphery of the football shape is in smooth arc surface transition, so that the graph formed by overlapping two spherical surfaces with equal radius is in a football shape. The football is cut along its central surface bb to form a half-football shape.
As shown in fig. 8 and 9, the pellet shape is understood to be a half pellet shape including a middle cylindrical section and hemispherical sections at both ends, the half of the pellet shape being formed by cutting along the center plane cc thereof.
In some alternative embodiments, the electrode supporting apparatus 100 provided in the embodiments of the present application uses one of semi-ellipsoidal, semi-oval, semi-rugby-ball, and semi-pill shapes for the protruding portion 21, so that the above functional requirements of the electrode supporting apparatus 100 can be ensured, and the processing and forming are facilitated, and the cost is reduced.
Accordingly, the shape of the cavity 22 matches the shape of the protrusion 21, and optionally the wall thickness is equal throughout the protrusion 21.
In some alternative embodiments, the electrode supporting apparatus 100 provided in the embodiments of the present application is perpendicular to each other in the first direction X, the second direction Y, and the axial direction Z.
Through the arrangement, the performance of the electrode supporting device 100 can be optimized, and the fluid distribution is effectively ensured to be more uniform, so that the energy consumption of the electrolysis equipment is reduced, and the long-term running stability of the electrolysis equipment is improved. In addition, the arrangement mode effectively ensures the inflow and outflow of the fluid, reduces the resistance of the fluid flowing into and out of the gaps of the concave cavity 22 and the convex part 21, and ensures the reaction rate.
In some alternative implementations, the electrode supporting apparatus 100 provided in the embodiments of the present application has a height of the protruding portion 21 in the axial direction Z ranging from a, where 4 mm.ltoreq.a.ltoreq.7 mm.
Alternatively, the height of the projection 21 may take any value ranging from 4mm to 7mm, including both the 4mm and 7mm ends.
Alternatively, the height of the protrusions 21 is positively correlated with the area of the plate 20, the area of the plate 20 increases, and the height of the protrusions 21 correspondingly increases.
Through the above arrangement, the electrode supporting device 100 provided in the embodiment of the application can improve the flow field, the height of the protruding portion 21 is smaller than that of the hemispherical protrusion, and the stamping difficulty of the protruding portion 21 is reduced.
In some alternative embodiments, the electrode supporting apparatus 100 provided in the embodiments of the present application further may select the range of values a of the height of the protruding portion 21 along the axial direction Z to be any value between 4.5mm and 5.5mm, including two end values of 4.5mm and 5.5 mm.
In some alternative embodiments, the electrode supporting apparatus 100 provided in the embodiments of the present application further includes a plurality of protrusions 21 located in the same reaction chamber 30 and having a distribution density of 2400/m 2 About 3200 pieces/m 2 The distribution density b of the projections 21 in the same reaction chamber 30 may be 2400/m 2 3200 pieces/m 2 Any number in between, including 2400/m 2 3200 pieces/m 2 Two endpoints.
According to the electrode supporting device 100 provided by the embodiment of the application, through the arrangement, the distribution density of the protruding portions 21 and the concave cavities 22 in the electrode supporting device 100 can be improved, so that when the electrode supporting device 100 is used for an electrode 200 assembly, the electrode 200 can be supported through each protruding portion 21, contact points are formed between the electrode 200 and the protruding portions, the number of the contact points is improved, ohmic contact resistance is further reduced, and the reaction rate is guaranteed.
Alternatively, the electrode supporting apparatus 100 provided in the embodiment of the present application may be provided with the protruding portion 21 in each reaction chamber 30, so as to achieve the supporting effect on the electrodes of different polarities.
With continued reference to fig. 1 and 10, in some alternative embodiments, the electrode supporting apparatus 100 provided in this embodiment of the present application has more than two inlets 11 corresponding to each reaction chamber 30, where the more than two inlets 11 are spaced apart in the circumferential direction of the electrode frame 10.
The number of inlets 11 provided on the two reaction chambers 30 may be the same, but it is also possible to provide one with a greater number of inlets 11 than the other. The number of inlets 11 provided to the two reaction chambers 30 may be selected to be the same.
According to the electrode supporting device 100 provided by the embodiment of the application, the number of the inlets 11 communicated with each reaction cavity 30 is more than two, so that fluid entering each reaction cavity 30 can enter in multiple directions, and the uniformity of flow field distribution is improved.
In some alternative embodiments, as shown in fig. 1, the electrode supporting apparatus 100 provided in the embodiments of the present application, the number of inlets 11 corresponding to and communicating with each reaction chamber 30 is two, and the included angle α between the two inlets 11 in the circumferential direction is any value between 50 ° and 70 °, including two end values of 50 ° and 70 °, and may be 55 ° to 65 °, for example, 60 ° may be used. By this arrangement, the fluid entering each reaction chamber 30 can enter in both directions, and the uniformity of flow field distribution is improved.
Of course, by defining the number of inlets 11 corresponding to each reaction chamber 30 as two is only one alternative embodiment, but is not limited to the above.
As shown in fig. 10, in some embodiments, the number of inlets 11 corresponding to each reaction chamber 30 may be three, and in the circumferential direction, the three inlets 11 include a main inlet 111 and two auxiliary inlets 112, and the two auxiliary inlets 112 are located at two sides of the main inlet 11 in the circumferential direction, and the flow rate of the auxiliary inlets 112 is any value between 1/4 and 1/3 of the flow rate of the main inlet 11, including two end values of 1/4 and 1/3, and the flow rate of the auxiliary inlets 112 is 3/10 of the flow rate of the main inlet 11. Through the above arrangement, the electrode supporting device 100 provided in this embodiment of the present application enables the fluid entering each reaction chamber 30 to enter in three directions, and by defining the flow relationship between the main inlet 11 and the auxiliary inlet 112, it can be ensured that the fluids entering each inlet 11 do not interfere with each other, and the uniformity of flow field distribution is effectively ensured.
As shown in fig. 11, on the other hand, the embodiment of the present application further provides an electrolytic assembly, which includes the electrode supporting device 100 and the electrode 200 provided in each of the embodiments, where the electrode supporting device 100 is provided with the electrode 200 in the reaction chamber 30, and the electrode 200 abuts against the protruding portion 21.
When the protruding portion 21 is disposed in each reaction chamber 30, the electrode supporting device 100 may be provided with the electrodes 200 in the reaction chambers 30 on both sides in the axial direction Z, the electrodes 200 are abutted against the protruding portion 21 in the reaction chamber 30, and the polarities of the two electrodes 200 are opposite.
One of the electrodes 200 disposed in the reaction chamber 30 on both sides of the electrode support device 100 in the axial direction Z is an anode 200a and the other is a cathode 200b. The cathode 200b and the anode 200a are respectively abutted against the convex portion 21 of the reaction chamber 30.
After the fluid with recovered components enters the electrode 200 assembly through each inlet 11, the fluid is ionized in each reaction chamber 30 under the action of the two electrodes 200 to generate gas, such as oxygen, hydrogen and the like, and is discharged through the outlet 12 for recycling.
According to the electrolytic assembly provided by the embodiment of the application, as the electrode supporting device 100 provided by the embodiments is included, as the convex parts 21 protruding along the axial direction Z are arranged on the polar plate 20, the convex parts 21 are arranged in the opposite reaction cavities 30, the concave cavities 22 communicated with one of the reaction cavities 30 are formed in the convex parts 21, the concave cavities 22 form the circulating flow channel in the electrode supporting device 100, fluid can not directly flow upwards when entering the reaction cavity 30, and the fluid can pass through the bending gaps among a plurality of concave-convex structures, so that the disturbance degree of the flow is enhanced, the concentration difference of the fluid at each position in the flow channel is reduced, the fluid distribution is more uniform, the energy consumption of electrolytic equipment is reduced, and the stability of long-term operation of the electrolytic equipment is improved. Meanwhile, the length dimension of the protruding portion 21 in the first direction X is larger than that in the second direction Y, and the first direction X, the second direction Y, and the axial direction Z are arranged to intersect with each other, so that the liquid flow resistance can be reduced, and the response rate to the renewable energy power fluctuation can be improved.
While the present application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the present application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. An electrode supporting device (100), characterized by comprising:
an electrode frame (10) having a hollow cavity;
the electrode plate (20) is matched with the electrode frame (10) and is connected with the electrode frame (10), the electrode plate (20) and the electrode frame (10) are enclosed together to form a reaction cavity (30) which is oppositely arranged along the axial direction (Z) of the electrode frame (10), an inlet (11) and an outlet (12) which are communicated with the reaction cavity (30) are respectively arranged on the electrode frame (10) corresponding to each reaction cavity (30), and a protruding part (21) protruding along the axial direction (Z) is arranged on the electrode plate (20);
the protruding portion (21) is formed by a concave portion formed by the polar plate (20) from one end face to the other end face in the axial direction (Z), a concave cavity (22) communicated with one reaction cavity (30) is formed in the protruding portion (21), the length dimension of the protruding portion (21) in a first direction (X) is larger than the length dimension in a second direction (Y), and the first direction (X), the second direction (Y) and the axial direction (Z) are mutually intersected.
2. The electrode supporting device (100) according to claim 1, wherein a length dimension of the protruding portion (21) in the first direction (X) is larger than a height dimension of the protruding portion (21) in the axial direction (Z).
3. Electrode support device (100) according to claim 1, wherein the height dimension of the projection (21) in the axial direction (Z) in the first direction (X) tends to increase and decrease.
4. The electrode supporting device (100) according to claim 3, wherein the protrusion (21) is one of semi-ellipsoidal, semi-oval, semi-rugby-ball, and semi-pill-shaped.
5. The electrode support device (100) according to claim 1, wherein the first direction (X), the second direction (Y) and the axial direction (Z) are perpendicular to each other.
6. The electrode supporting device (100) according to claim 1, wherein the height of the projection (21) along the axial direction (Z) is in the range of a, wherein 4mm ∈a ∈7mm;
and/or the number of the convex parts (21) positioned in the same reaction cavity (30) is a plurality and the distribution density is 2400/m 2 About 3200 pieces/m 2 。
7. The electrode supporting apparatus (100) according to claim 1, wherein said protruding portions (21) are provided in each of said reaction chambers (30) disposed opposite to each other in said reaction chambers (30).
8. The electrode supporting apparatus (100) according to any one of claims 1 to 7, wherein the number of said inlets (11) to which each of said reaction chambers (30) communicates is two or more, and two or more of said inlets (11) are spaced apart in a circumferential direction of said electrode frame (10).
9. The electrode supporting apparatus (100) according to claim 8, wherein the number of said inlets (11) to which each of said reaction chambers (30) is correspondingly connected is two, and an angle between two of said inlets (11) in said circumferential direction is 50 ° -70 °;
or, the number of the inlets (11) correspondingly communicated with each reaction cavity (30) is three, in the circumferential direction, the three inlets (11) comprise a main inlet (111) and two auxiliary inlets (112), along the circumferential direction, the two auxiliary inlets (112) are positioned at two sides of the main inlet (111), and the flow rate of the auxiliary inlets (112) is 1/4-1/3 of the flow rate of the main inlet (111).
10. An electrolytic assembly comprising:
the electrode support device (100) of any one of claims 1 to 9;
and an electrode (200), wherein the electrode (200) is arranged in the reaction cavity (30) by the electrode supporting device (100), and the electrode (200) is abutted against the protruding part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320610493.5U CN219315098U (en) | 2023-03-24 | 2023-03-24 | Electrode supporting device and electrolytic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320610493.5U CN219315098U (en) | 2023-03-24 | 2023-03-24 | Electrode supporting device and electrolytic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219315098U true CN219315098U (en) | 2023-07-07 |
Family
ID=87024078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320610493.5U Active CN219315098U (en) | 2023-03-24 | 2023-03-24 | Electrode supporting device and electrolytic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219315098U (en) |
-
2023
- 2023-03-24 CN CN202320610493.5U patent/CN219315098U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101848292B1 (en) | High-area, porous-type channel-embedded electrochemical electrodes and stacked electrolysis system having the same | |
| KR20020085446A (en) | Electrolyser | |
| CN104868129A (en) | Metal bipolar plate for proton exchange membrane fuel cell | |
| EP3297078B1 (en) | Separating plate, method for manufacturing same, and fuel cell stack comprising same | |
| CN114574887A (en) | Electrolytic cell polar plate and electrolytic cell | |
| CN215103601U (en) | Water electrolyzer for producing oxyhydrogen gas | |
| CN219315098U (en) | Electrode supporting device and electrolytic assembly | |
| CN112813452B (en) | Electrolytic cell structure | |
| CN110828843A (en) | Bipolar plate of fuel cell | |
| CN219342320U (en) | Electrolytic water polar plate with tear-drop type array flow field | |
| AU2019228266B2 (en) | Redox flow battery with at least one cell and an electrode element, and method for producing a conductor structure of an electrode element of a redox flow battery | |
| CN116956633A (en) | Flow field optimization design method of flow battery and flow battery | |
| KR20190100531A (en) | Anode supporter with flat tubular solid oxide and cell stack using the same and method for manufacturing the anode supporter | |
| CN116487627A (en) | Polar plate and fuel cell | |
| CN209798117U (en) | Hydrogen production device with series structure | |
| CN111032919B (en) | Electrolytic cell and electrode plate for electrolytic cell | |
| KR101937930B1 (en) | Hydrogenated electrolytic cell | |
| CN216972701U (en) | Proton exchange membrane water electrolyzer and system | |
| CN212783523U (en) | Bipolar plate and fuel cell | |
| CN221028707U (en) | Electrolysis module and electrolysis device | |
| JP2002275674A (en) | Electrolytic cell | |
| CN114525535A (en) | Novel water electrolyzer bipolar plate | |
| CN211112248U (en) | Polar plate and flow field with water supply and cooling functions for pure water SPE water electrolyzer | |
| CN113755859A (en) | Electrolytic cell with multi-channel frame structure inside | |
| KR200285556Y1 (en) | Electrolyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |