CN219637365U - Electrolytic cell polar plate and electrolytic cell - Google Patents

Electrolytic cell polar plate and electrolytic cell Download PDF

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Publication number
CN219637365U
CN219637365U CN202320303297.3U CN202320303297U CN219637365U CN 219637365 U CN219637365 U CN 219637365U CN 202320303297 U CN202320303297 U CN 202320303297U CN 219637365 U CN219637365 U CN 219637365U
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plate
mesh
electrolytic cell
plates
cathode
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Active
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CN202320303297.3U
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Chinese (zh)
Inventor
朱金超
朱琛
计策
崔少平
巨攀龙
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Xi'an Longji Hydrogen Energy Technology Co ltd
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Wuxi Longji Hydrogen Energy Technology Co ltd
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Priority to CN202320303297.3U priority Critical patent/CN219637365U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The present disclosure relates to an electrolyzer plate and an electrolyzer, the electrolyzer plate includes a plate body and a metal support mesh, the metal support mesh is fixed at one side of the plate body and is attached to the plate body, a portion of the plate body is arched away from the metal support mesh to form a first protrusion structure, and the number of the first protrusion structures is a plurality of and uniformly arranged at intervals. Through the technical scheme, the electrolytic tank polar plate provided by the disclosure can improve the hydrogen production efficiency of the electrolytic tank to a certain extent and reduce the required energy consumption.

Description

Electrolytic cell polar plate and electrolytic cell
Technical Field
The present disclosure relates to the technical field of hydrogen production by water electrolysis, and in particular, to an electrolytic cell plate and an electrolytic cell.
Background
The hydrogen can be directly combusted and used, can be used as a reaction gas of a fuel cell, can be used as an industrial raw material gas, has no carbon emission during combustion, has the characteristics of environmental protection, is an important energy form for realizing carbon reduction and carbon removal, and is an important way for realizing large-scale and low-cost hydrogen production by a water electrolysis hydrogen production method.
At present, the industrial water electrolysis hydrogen production mostly adopts a bipolar filter pressing type electrolytic tank, a cell structure of an atmospheric electrolytic tank is used for reference, a polar plate of the cell structure is of a flat plate structure, an electrolysis cell is formed between the polar plate and the polar plate, the middle of the cell is divided into an anode cell and a cathode cell by a diaphragm, an anode reaction electrode and a cathode reaction electrode are respectively arranged in the anode cell and the cathode cell, oxygen is generated in the anode cell when the electrolysis reaction occurs, hydrogen is generated in the cathode cell, the polar plate structure has large space among the reaction electrodes, the hydrogen production efficiency is low, the surface of the polar plate has no flow channel, the alkali liquid is unevenly diffused, the internal temperature gradient of the cell is further caused, and the required energy consumption is high.
Disclosure of Invention
It is an object of the present disclosure to provide an electrolyzer plate and an electrolyzer that can improve the hydrogen production efficiency of the electrolyzer to some extent and reduce the required energy consumption.
In order to achieve the above object, the present disclosure provides an electrolytic cell plate including a plate body and a metal supporting net fixed at one side of the plate body and attached to the plate body, a portion of the plate body arching away from the metal supporting net to form first protrusion structures, the number of the first protrusion structures being plural and being uniformly arranged at intervals.
Optionally, the first bump structure is configured as a sphere or ellipsoid.
Optionally, the metal support mesh is fixed to the plate body by welding.
On the basis of the scheme, the disclosure also provides an electrolytic tank, the electrolytic tank comprises a first end pressing plate, a second end pressing plate, a plurality of pole frames and a plurality of electrolytic tank pole plates, the electrolytic tank pole plates are in one-to-one correspondence with the pole frames and are fixed on the pole frames, and the pole frames are arranged in parallel and are pressed and fixed through the first end pressing plate and the second end pressing plate.
Optionally, the electrolytic tank comprises a diaphragm, an anode net and a cathode net, wherein the diaphragm is arranged between any two adjacent electrolytic tank plates, the anode net and the cathode net are respectively arranged on two opposite sides of the diaphragm and are mutually attached to the diaphragm, one of a first bulge structure and a metal supporting net which are positioned on the same plate main body is in contact with the anode net, and the other one is in contact with the cathode net.
Optionally, the electrolytic cell includes two end plates, one side of the end plates is mutually attached to the first end pressing plate or the second end pressing plate, and a part of the end plates is arched away from the first end pressing plate or the second end pressing plate to form second protruding structures, the number of the second protruding structures is a plurality of and uniformly arranged at intervals, and the second protruding structures are in contact with the anode mesh or the cathode mesh.
Optionally, the electrolytic cell includes a middle end plate, the middle end plate is disposed between the first end pressing plate and the second end pressing plate, and a plurality of electrolytic cell plates are disposed between the middle end plate and the first end pressing plate and between the middle end plate and the second end pressing plate, the separator, the anode mesh and the cathode mesh are disposed between two opposite sides of the middle end plate and are in contact with the anode mesh and the cathode mesh, respectively.
Optionally, the middle end polar plate includes two plate-shaped bodies, two plate-shaped bodies are fixed on the polar frame at intervals and an electrolyte cavity is formed between the two plate-shaped bodies, a runner hole is formed at the edge part of the plate-shaped bodies so as to enable electrolyte to enter the electrolyte cavity, parts of the two plate-shaped bodies arch towards the anode mesh and the cathode mesh respectively to form a third protruding structure, the number of the third protruding structures is multiple and the third protruding structures are uniformly distributed at intervals, and the third protruding structure is in contact with the anode mesh or the cathode mesh.
Optionally, the electrolytic tank comprises a sealing ring, and any two adjacent electrode frames are sealed by the sealing ring.
Optionally, the electrolytic cell comprises fastening bolts, and the fastening bolts penetrate through the first end pressing plate and the second end pressing plate to tightly fix the plurality of electrolytic cell polar plates together through the first end pressing plate and the second end pressing plate.
Through the technical scheme, in the electrolytic tank pole plate provided by the disclosure, one side of the pole plate main body is attached with the metal supporting net, the other side of the pole plate main body is provided with the first protruding structure, and when the electrolytic tank pole plate is used, the two sides are also provided with the pole nets respectively, so that the arrangement of the metal supporting net increases the contact point between the electrolytic tank pole plate and the pole nets, improves the transmission density of current in the electrolytic tank, reduces the resistance of current transmission between the electrolytic tank pole plate and the pole nets, improves the hydrogen production efficiency and reduces the required energy consumption; on the other hand, when electrolyte is introduced into the electrolytic tank and diffuses on the two side surfaces of the plate of the electrolytic tank, the longitudinal flow of the electrolyte is taken as the main point, and the first bulge structure on one side of the plate main body can provide a certain turbulence effect for the flow of the electrolyte, so that the longitudinal flow direction of the electrolyte is changed, the side surface of the plate main body provided with the first bulge structure is uniformly diffused, the uniform reaction temperature of the plate electrolytic hydrogen production of the plate of the electrolytic tank on the side is ensured, the reaction temperature on the other side of the plate main body is balanced to a certain extent through the heat exchange principle, and the hydrogen production efficiency of the electrolytic tank can be improved and the reaction energy consumption in the electrolytic tank can be reduced.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic view of the structure of an electrolyzer plate provided by an embodiment of the present disclosure;
FIG. 2 is a schematic view of a part of the structure of an electrolytic cell provided by an embodiment of the present disclosure;
FIG. 3 is a schematic view of a part of the structure of an electrolytic cell provided by an embodiment of the present disclosure;
FIG. 4 is an enlarged schematic view of a portion of an electrolytic cell provided in an embodiment of the present disclosure;
FIG. 5 is a schematic view of the structure of a first embodiment electrolytic cell provided by the present disclosure;
FIG. 6 is an enlarged schematic view of a portion of a cell at B provided in an embodiment of the present disclosure;
fig. 7 is a schematic view of the structure of an electrolytic cell according to the second embodiment provided in the present disclosure.
Description of the reference numerals
1-an electrolytic cell polar plate; 11-a plate body; 12-a metal support net; 13-a first bump structure; 2-a pole frame; 31-a first end platen; 32-a second end platen; 4-a membrane; 5-anode mesh; 6-cathode net; 7-end polar plates; 71-a first line bank; 8-a middle end polar plate; 81-a plate-like body; 82-a third bump structure; 83-a second line bank; 84-electrolyte chamber; 85-runner holes; 9-a sealing ring; 10-fastening bolts.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, the terms "first," "second," and the like are used herein to distinguish one element from another without sequence or importance. Furthermore, in the following description, when referring to the drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise explained. The foregoing definitions are provided for the purpose of illustrating and explaining the present disclosure and should not be construed as limiting the present disclosure.
According to a specific embodiment provided by the present disclosure, referring to fig. 1 to 7, there is provided an electrolytic cell plate 1, the electrolytic cell plate 1 including a plate main body 11 and a metal supporting net 12, the metal supporting net 12 being fixed at one side of the plate main body 11 and being attached to the plate main body 11, a portion of the plate main body 11 being arched away from the metal supporting net 12 to form first protrusion structures 13, the first protrusion structures 13 being plural in number and uniformly arranged at intervals.
Through the technical scheme, in the electrolytic tank pole plate provided by the disclosure, one side of the pole plate main body 11 is attached with the metal supporting net 12, the other side of the pole plate main body 11 is provided with the first protruding structure 13, and when the electrolytic tank pole plate 1 is used, the two sides are also provided with the pole nets respectively, so that the arrangement of the metal supporting net 12 not only increases the contact point between the electrolytic tank pole plate 1 and the pole nets, but also improves the transmission density of current in the electrolytic tank, reduces the resistance of current transmission between the electrolytic tank pole plate 1 and the pole nets, improves the hydrogen production efficiency, and simultaneously reduces the required energy consumption; on the other hand, when electrolyte is introduced into the electrolytic tank and diffuses on the two side surfaces of the plate 1 of the electrolytic tank, the longitudinal flow of the electrolyte is taken as the main, the first bulge structure 13 on one side of the plate main body 11 can provide a certain turbulence effect for the flow of the electrolyte, so that the longitudinal flow direction of the electrolyte is changed, the side surface of the plate main body 11 provided with the first bulge structure 13 is uniformly diffused, the uniform reaction temperature of the plate 1 of the electrolytic tank on the side is ensured, the reaction temperature on the other side of the plate main body 11 is balanced to a certain extent through the heat exchange principle, and the hydrogen production efficiency of the electrolytic tank can be improved and the reaction energy consumption in the electrolytic tank can be reduced.
The metal support mesh 12 may be fixed to the plate body 11 by any suitable means, such as welding, bonding, or pressing, which is not particularly limited in the present disclosure. In addition, the metal support net 12 is a plate-shaped metal net, and may be formed by punching, stretching, or 3D printing of metal, or any other suitable method, which is not particularly limited in this disclosure.
In the electrolytic cell plate 1 provided in the present disclosure, as an exemplary embodiment, referring to fig. 1, the shape of the first protrusion structure 13 may be configured in any suitable shape, such as a sphere or an ellipsoid, etc., to which the present disclosure is not particularly limited. When electrolyte is introduced into the electrolytic tank, firstly, the surfaces of the two sides of the electrolytic tank polar plate 1 longitudinally flow along the direction of the introduction of the electrolyte, when the electrolyte contacts with the first bulge structure 13, the first bulge structure 13 provides a certain turbulence effect for the flow of the electrolyte, at the moment, the electrolyte is separated and continuously flows along the periphery of the first bulge structure 13, and the electrolyte is diffused to the edge part of the electrolytic tank polar plate 1 after passing through a series of liquid separation phenomena provided by a plurality of first bulge structures 13, so that the purpose of uniform electrolyte distribution is achieved. In addition, the first bump structure 13 may be formed by a stamping process of the pad body 11, or may be integrally formed with the pad body 11 by 3D printing, or may be manufactured in any other suitable manner, which is not particularly limited in the present disclosure.
The dimensions of the protruding electrode body 11 of the first protruding structure 13 may be any suitable size according to the specifications and dimensions of the electrolytic cell, and in an exemplary embodiment provided in the present disclosure, the height of the protruding electrode body 11 of the first protruding structure 13 may be 2mm to 5.5mm, for example, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, etc., which is not particularly limited in the present disclosure.
In addition, the number of the first bump structures 13 may be plural, and any suitable size may be spaced between any two adjacent first bump structures 13, and in an exemplary embodiment provided in the present disclosure, a space between any two adjacent first bump structures 13 may be 5mm to 30mm, for example, 6mm, 9mm, 15mm, 20mm, 24mm, 28mm, etc., which is not particularly limited in the present disclosure.
On the basis of the above-mentioned scheme, the present disclosure further provides an electrolytic cell, referring to fig. 2 to 7, the electrolytic cell includes a first end pressing plate 31, a second end pressing plate 32, a plurality of electrode frames 2, and a plurality of the above-mentioned electrolytic cell electrode plates 1, the electrolytic cell electrode plates 1 and the electrode frames 2 are in one-to-one correspondence and fixed on the electrode frames 2, the plurality of electrode frames 2 are arranged in parallel with each other and are pressed and fixed by the first end pressing plate 31 and the second end pressing plate 32, wherein the edge portion of the electrolytic cell electrode plate 1 and the electrode frames 2 can be fixed together in any suitable manner, such as welding, bonding, integral molding, etc., which is not particularly limited in this disclosure.
In the electrolytic cell provided in the present disclosure, as an exemplary embodiment, referring to fig. 2, the electrolytic cell may further include a diaphragm 4, an anode mesh 5, and a cathode mesh 6, the diaphragm 4 may be disposed between any adjacent two of the electrolytic cell plates 1, the anode mesh 5 and the cathode mesh 6 may be disposed at opposite sides of the diaphragm 4, respectively, and are attached to each other with the diaphragm 4, one of the first protrusion structures 13 and the metal support mesh 12 on the same plate body 11 may be in contact with the anode mesh 5, and the other may be in contact with the cathode mesh 6. The first protrusion structure 13 is in contact with the anode mesh 5 or the cathode mesh 6, so that on one hand, the contact point between the first protrusion structure and the cathode mesh can be increased, and on the other hand, electrolyte can be enabled to diffuse to the peripheral edge part of the electrolytic cell polar plate 1 under the influence of the turbulence effect provided by the first protrusion structure 13, so that the reaction temperature of each part at two sides of the electrolytic cell polar plate 1 is ensured to be uniform, and the hydrogen production efficiency is improved; the metal supporting net 12 is contacted with the anode net 5 or the cathode net 6 and is used for providing more contact points between the electrolytic tank polar plate 1 and the cathode net, reducing mass transfer resistance between the two, and further improving the transmission density of current in the electrolytic tank, thereby improving the hydrogen production efficiency. In addition, the separator 4, the anode mesh 5 and the cathode mesh 6 may be fixedly disposed between the adjacent two electrolytic cell plates 1 by any suitable means, and may be commonly fixed on the electrode frame 2 together with the adjacent two electrolytic cell plates 1 by welding or bonding, etc., which is not particularly limited in the present disclosure.
In the electrolytic cell provided in the present disclosure, as an exemplary embodiment, referring to fig. 5 and 6, the electrolytic cell may include two end plates 7, one side of the end plates 7 may be attached to the first end press plate 31 or the second end press plate 32, and portions of the end plates 7 may arch away from the first end press plate 31 or the second end press plate 32 to form second protrusion structures, the number of the second protrusion structures may be plural and uniformly spaced, the second protrusion structures may be in contact with the anode mesh 5 or the cathode mesh 6, and the two end plates 7 may be electrically connected to a power source through the first connection lines 71, respectively, such that the two end plates 7 respectively carry positive and negative charges, and the electrolytic cell operates in a "positive-negative" structure. The dimensions of the second protruding structures and the dimensions of the intervals between the plurality of second protruding structures may be consistent with those of the first protruding structures 13, or the dimensions of the second protruding structures and the dimensions of the intervals between the plurality of second protruding structures may be different from those of the first protruding structures 13, in which case the dimensions of the second protruding structures and the dimensions of the intervals between the plurality of second protruding structures may be designed arbitrarily according to the actual requirements of the electrolytic cell, which is not described herein.
Further, as an exemplary embodiment, referring to fig. 6, the first protrusion structures 13 of the plurality of electrolytic cell plates 1 may arch in the same direction, for example, the embodiment shown in fig. 6, the first protrusion structures of the plurality of electrolytic cell plates 1 each arch toward the right side in the direction of the drawing of fig. 6, and accordingly the metal support net 12 in each electrolytic cell plate 1 is located at the left side of the plate main body 11 (the left side in the direction of the drawing of fig. 6). In other embodiments, the first protrusion structures 13 of the plurality of electrolyzer plates 1 may arch toward different directions, in which case the plurality of electrolyzer plates 1 may be arranged as desired such that the first protrusion structures 13 in some electrolyzer plates 1 arch toward one side and the first protrusion structures 13 in other electrolyzer plates 1 arch toward the other side, which is not particularly limited by the present disclosure.
In the electrolytic cell provided in the present disclosure, as another exemplary embodiment, referring to fig. 7, the electrolytic cell may further include a middle end plate 8, the middle end plate 8 being disposed between the first end pressing plate 31 and the second end pressing plate 32, and a plurality of electrolytic cell plates 1 being disposed between the middle end plate 8 and the first end pressing plate 31 and between the middle end plate 8 and the second end pressing plate 32, respectively, a diaphragm 4, an anode mesh 5, and a cathode mesh 6 being disposed between opposite sides of the middle end plate 8 and the two electrolytic cell plates 1, respectively, and opposite sides of the middle end plate 8 being in contact with the anode mesh 5 and the cathode mesh 6, respectively, the two end plates 7 may be electrically connected to a power source through a first connection line 71 so that both end plates 7 carry negative charges, and the middle end plate 8 may be electrically connected to the power source through a second connection line 83 so that the middle end plate 8 carries positive charges, at which time the electrolytic cell operates in a "both negative and positive" structure.
Further, as an exemplary embodiment, referring to fig. 3 and 7, the first protrusion structures 13 of the plurality of cell plates 1 located between the first end pressing plate 31 and the intermediate end plate 8 may arch in the same direction, for example, the embodiment shown in fig. 3, the first protrusion structures 13 of the plurality of cell plates 1 located between the first end pressing plate 31 and the intermediate end plate 8 each arch toward the left side in the drawing direction of fig. 3, and accordingly the metal support net 12 in each cell plate 1 is located on the right side of the plate body 11 (the right side in the drawing direction of fig. 3). Likewise, the first projecting structures 13 of the plurality of cell plates 1 located between the second end press 32 and the intermediate end plate 8 may also be arched in the same direction, for example in the embodiment shown in fig. 3, the first projecting structures 13 of the plurality of cell plates 1 located between the second end press 32 and the intermediate end plate 8 each being arched towards the right in the direction of the drawing of fig. 3, the metal support net 12 in each cell plate 1 being correspondingly located on the left side of the plate body 11 (left in the direction of the drawing of fig. 3). In other embodiments, the first protrusion structures 13 of the plurality of cell plates 1 between the first end platen 31 and the middle end plate 8 and between the second end platen 32 and the middle end plate 8 may arch toward different directions, in which case the plurality of cell plates 1 may be arranged as desired such that the first protrusion structures 13 in some cell plates 1 arch toward one side and the first protrusion structures 13 in other cell plates 1 arch toward the other side, which is not particularly limited in the present disclosure.
In the electrolytic cell provided in the present disclosure, as another exemplary embodiment, referring to fig. 4, the middle end plate 8 may include two plate-shaped bodies 81, the two plate-shaped bodies 81 may be fixed to the electrode frame 2 at a distance from each other and an electrolyte chamber 84 is formed between the two plate-shaped bodies 81, and an edge portion of the plate-shaped body 81 may be provided with a flow passage hole 85 for supplying electrolyte into the electrolyte chamber 84 for balancing the pressures of both sides of the two plate bodies 11, thereby avoiding deformation or damage of the middle end plate 8. Portions of the two plate-shaped bodies 81 may arch toward the anode mesh 5 and the cathode mesh 6, respectively, to form third protrusion structures 82, the number of the third protrusion structures 82 may be plural and the intervals may be uniformly arranged, and the third protrusion structures 82 may be in contact with the anode mesh 5 or the cathode mesh 6, wherein the size of the third protrusion structures 82 and the interval size between the plurality of third protrusion structures 82 may be consistent with the first protrusion structures 13, or the size of the third protrusion structures 82 and the interval size between the plurality of third protrusion structures 82 may be different from the first protrusion structures 13, in which case the size of the third protrusion structures 82 and the interval size between the plurality of third protrusion structures 82 may be arbitrarily appropriately designed according to the actual requirements of the electrolytic cell, which will not be repeated herein.
In the electrolytic cell provided in the present disclosure, as an exemplary embodiment, referring to fig. 4, the electrolytic cell may include a sealing ring 9, between any two adjacent electrode frames 2 may be sealed by the sealing ring 9, the electrolytic cell may further include a fastening bolt 10, the fastening bolt 10 may be penetratingly provided on the first end pressing plate 31 and the second end pressing plate 32 to tightly fix the plurality of electrolytic cell electrode plates 1 together by the first end pressing plate 31 and the second end pressing plate 32, since the electrolytic cell generally adopts a parallel arrangement of the plurality of electrode frames 2 to which the electrolytic cell electrode plates 1 are fixed, the two ends are respectively tightly fixed by the first end pressing plate 31 and the second end pressing plate 32 by the fastening bolt 10, the sealing ring 9 may provide a certain buffering force for the two adjacent electrode frames 2, and the tightness of the electrolytic cell structure is ensured to a certain extent, and since the present disclosure does not involve an improvement thereto, a detailed description will be made herein.
To sum up, when the electrolytic tank pole plate 1 and the electrolytic tank provided by the disclosure are installed, firstly, a plurality of electrolytic tank pole plates 1 and pole frames 2 are fixed together in a one-to-one correspondence manner, an anode net 5, a diaphragm 4, a cathode net 6 and a sealing ring 9 are further arranged between any two adjacent pole frames 2, the plurality of electrolytic tank pole plates 1, the pole frames 2, the anode net 5, the diaphragm 4, the cathode net 6 and the sealing ring 9 are sequentially and mutually and parallelly attached, secondly, a first end pressing plate 31 and a second end pressing plate 32 are arranged on two sides of the plurality of electrolytic tank pole plates 1 in a parallel manner, two end pole plates 7 are respectively attached to the first end pressing plate 31 and the second end pressing plate 32 in a parallel manner, a middle end pole plate 8 is arranged between the first end pressing plate 31 and the second end pressing plate 32, and finally, the first end pressing plate 31 and the second end pressing plate 32 are tightly fixed through a plurality of fastening bolts 10, and then the plurality of electrolytic tank pole plates 1 are tightly attached, and the electrolytic tank is completed.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims (10)

1. The utility model provides an electrolysis trough polar plate, its characterized in that, electrolysis trough polar plate includes polar plate main part and metal supporting net, metal supporting net is fixed in one side of polar plate main part and with polar plate main part laminating mutually, the part of polar plate main part deviates from metal supporting net arch is in order to form first protruding structure, the quantity of first protruding structure is a plurality of and the interval is evenly arranged.
2. The electrolyzer plate of claim 1 wherein the first raised structures are configured in a spherical or ellipsoidal shape.
3. The electrolyzer plate of claim 1 wherein the metal support mesh is secured to the plate body by welding.
4. An electrolytic cell, characterized in that the electrolytic cell comprises a first end pressing plate, a second end pressing plate, a plurality of electrode frames and a plurality of electrolytic cell polar plates according to any one of claims 1-3, wherein the electrolytic cell polar plates are in one-to-one correspondence with the electrode frames and are fixed on the electrode frames, and the electrode frames are mutually arranged in parallel and are pressed and fixed through the first end pressing plate and the second end pressing plate.
5. The electrolytic cell according to claim 4, wherein the electrolytic cell comprises a diaphragm, an anode mesh and a cathode mesh, the diaphragm is arranged between any two adjacent electrolytic cell plates, the anode mesh and the cathode mesh are respectively arranged on two opposite sides of the diaphragm and are mutually attached to the diaphragm, one of a first bulge structure and a metal supporting mesh on the same plate main body is contacted with the anode mesh, and the other is contacted with the cathode mesh.
6. The cell defined in claim 5 wherein the cell includes two end plates, one side of the end plates abutting the first end plate or the second end plate and portions of the end plates arching away from the first end plate or the second end plate to form a second raised structure, the number of second raised structures being plural and uniformly spaced, the second raised structures being in contact with the anode mesh or the cathode mesh.
7. The electrolyzer of claim 5 characterized in that it comprises an intermediate end plate which is disposed between the first and second end plates and between which a plurality of said electrolyzer plates are disposed, respectively, and between which the separator, the anode mesh and the cathode mesh are disposed, respectively, and between which the opposite sides are in contact with the anode mesh and the cathode mesh, respectively.
8. The electrolytic cell according to claim 7, wherein the intermediate end plate comprises two plate-like bodies fixed to the electrode frame at a distance from each other and forming an electrolyte chamber therebetween, the edge portions of the plate-like bodies being provided with flow passage holes for the entry of electrolyte into the electrolyte chamber, portions of the two plate-like bodies being arched toward the anode mesh and the cathode mesh, respectively, to form third protrusion structures, the number of which is plural and arranged at a uniform interval, the third protrusion structures being in contact with the anode mesh or the cathode mesh.
9. An electrolysis cell according to any of claims 4 to 8 comprising a sealing ring by which any adjacent two of the electrode frames are sealed.
10. The electrolyzer of any one of claims 4 to 8 characterized in that it comprises fastening bolts which are threaded on the first and second end clamps to hold together a plurality of the electrolyzer plates by the first and second end clamps.
CN202320303297.3U 2023-02-23 2023-02-23 Electrolytic cell polar plate and electrolytic cell Active CN219637365U (en)

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CN202320303297.3U CN219637365U (en) 2023-02-23 2023-02-23 Electrolytic cell polar plate and electrolytic cell

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117107264A (en) * 2023-10-25 2023-11-24 苏州吉冠科技有限公司 Electrolytic tank supporting net structure and electrolytic tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117107264A (en) * 2023-10-25 2023-11-24 苏州吉冠科技有限公司 Electrolytic tank supporting net structure and electrolytic tank

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