CN219099322U - Electrolysis tank and hydrogen production system - Google Patents
Electrolysis tank and hydrogen production system Download PDFInfo
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- CN219099322U CN219099322U CN202223409558.4U CN202223409558U CN219099322U CN 219099322 U CN219099322 U CN 219099322U CN 202223409558 U CN202223409558 U CN 202223409558U CN 219099322 U CN219099322 U CN 219099322U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The utility model discloses an electrolytic tank and a hydrogen production system, wherein the electrolytic tank comprises a plurality of polar plates which are sequentially arranged in parallel, and a plurality of electrolytic chambers are formed between the plurality of polar plates. The electrolytic cell further comprises two end pressing plates, the two end pressing plates are respectively arranged at the two opposite ends of the polar plates, at least two power transmission plates are arranged on the end pressing plates and/or the polar plates, the end pressing plates and/or the polar plates are provided with partition sections passing through the centers of the polar plates, and at least two of the power transmission plates are respectively distributed at the two opposite sides of the partition sections. According to the technical scheme, the difference of current paths from the power transmission plate to the electrolytic tank is reduced, and the working efficiency of the electrolytic tank is improved.
Description
Technical Field
The utility model relates to the technical field of hydrogen production, in particular to an electrolytic tank and a hydrogen production system.
Background
In the current hydrogen energy industry, as the hydrogen production amount of the electrolytic tank in unit time is higher, the direct current input current required by the electrolytic tank is larger, so that the section size of the power transmission plate of the electrolytic tank is larger. However, since the electrolytic cell is usually fixed on the end pressing plate, the electrolytic cell is limited by the constraint of the pull rod structure on the end pressing plate, so that the power transmission plate is often separated to form a plurality of independent structures so as to avoid the pull rod.
In the prior art, the power transmission plates are often arranged adjacently on the end pressing plates, and the scheme can lead to large current path difference from the power transmission plates to the electrolytic tank, so that current distribution on the polar plates is uneven, unnecessary electric quantity loss is caused, and the working efficiency of the electrolytic tank is affected.
Disclosure of Invention
The utility model mainly aims to provide an electrolytic cell, which aims to reduce the difference of current paths from a power transmission plate to the electrolytic cell and improve the working efficiency of the electrolytic cell.
To achieve the above object, the present utility model provides an electrolytic cell comprising:
a plurality of polar plates which are sequentially arranged in parallel, and a plurality of electrolysis chambers are formed between the polar plates;
the two end pressing plates are respectively arranged at the two opposite ends of the polar plates, at least two power transmission plates are arranged on the end pressing plates and/or the polar plates, the end pressing plates and/or the polar plates are provided with partition sections passing through the centers of the polar plates, and at least two of the power transmission plates are respectively distributed at the two opposite sides of the partition sections.
Optionally, the plurality of plates includes an end plate, the end plate being located at an end of the plurality of plates, and the power plate being located on the end plate.
Optionally, the number of the power transmission plates is even, one half of the plurality of power transmission plates is located on one side of the partition section, and the other half of the power transmission plates is located on the other side of the partition section and is symmetrical with respect to the partition section.
Optionally, if the number of the power transmission plates is an odd number, one of the power transmission plates is located on the partition section, and half of the remaining power transmission plates are located on one side of the partition section, and the other half of the power transmission plates are located on the other side of the partition section and are symmetrical with respect to the partition section.
Optionally, the plurality of power transmission plates are uniformly arranged at intervals along the circumferential direction of the end pressing plate and/or the polar plate.
Optionally, the power transmission plate has a preset position and an actual setting position on the end pressing plate and/or the polar plate, and an included angle between the preset position and the direction from the center of the polar plate and the direction from the actual setting position to the center of the polar plate is less than or equal to 15 degrees.
Optionally, a plurality of the power transmission plates are arranged on the end pressing plate and are positioned on one side of the end pressing plate facing the polar plate.
Optionally, the two end pressing plates are mutually fixed through a plurality of pull rods and are pressed on a plurality of polar plates, the pull rods are uniformly distributed along the circumferential direction of the end pressing plates, and the power transmission plate is arranged between the two pull rods.
Optionally, the number of the two end pressing plates and/or the number of the power transmission plates arranged on the two polar plates are equal, and the two end pressing plates or the power transmission plates on the two end pressing plates are symmetrically arranged; or alternatively, the first and second heat exchangers may be,
the two end pressing plates and/or the two power transmission plates arranged on the polar plates are equal in number, and the two end pressing plates or the two power transmission plates on the polar plates are arranged in a staggered and symmetrical mode.
Optionally, when the polar plate and/or the end pressing plate of the electrolytic tank are in a polygonal prism shape, the power transmission plates are distributed on the polar plate and/or the corresponding prism surface of the polar plate.
The utility model also provides a hydrogen production system comprising the electrolytic tank.
According to the technical scheme, the plurality of polar plates are sequentially arranged in parallel, and a plurality of electrolysis chambers are formed between the plurality of polar plates. The electrolytic tank further comprises two end pressing plates which are respectively arranged at two opposite ends of the plurality of polar plates, at least two power transmission plates are arranged on the end pressing plates and/or the polar plates, the power transmission plates are electrically connected with a power supply, and the power transmission plates are electrically connected with the polar plates, so that the electrolyte is driven to generate electrolytic reaction in the electrolytic chamber to generate hydrogen. The end pressing plate and/or the polar plate are/is provided with a partition section passing through the center of the polar plate, namely a plane where the diameter of the polar plate is located, at least two power transmission plates in the plurality of power transmission plates are respectively distributed on two opposite sides of the partition section, namely at least one partition section is arranged in two opposite half areas of the power transmission plates, so that the distribution of the plurality of power transmission plates on the end pressing plate is more dispersed, the distance between the conductive connection points of different electrolytic chambers and the power transmission plates is reduced, the distance between the power transmission plates and the electrolytic chambers is reduced wholly, the difference between the current paths of the power transmission plates and the different electrolytic chambers is reduced and is lower than the half circumference of the polar plate, so that the current distribution in the different electrolytic chambers is more uniform, the whole working efficiency of the electrolytic tank is improved. And the distribution of the cables connected to each power transmission plate is more discrete, so that the heat dissipation of the cables is facilitated, the current carrying capacity of the cables is improved, the number of the cables is reduced, and the system cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the structure of a first embodiment of an electrolytic cell of the present utility model;
fig. 2 is a mounting structure diagram of the power transmission board in fig. 1;
FIG. 3 is a view showing a construction of an installation structure of a power transmission plate in a second embodiment of an electrolytic cell of the present utility model;
FIG. 4 is a view showing a construction of an installation structure of a power transmission plate in a third embodiment of an electrolytic cell according to the present utility model;
FIG. 5 is a view showing a construction of an installation structure of a power transmission plate in a fourth embodiment of an electrolytic cell of the present utility model;
fig. 6 is a construction view showing the installation of a power transmission plate in a fifth embodiment of the electrolytic cell of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 100 | |
121 | |
| 110 | |
130 | |
| 120 | End |
140 | Pull rod |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The present utility model proposes an electrolytic cell 100.
In the embodiment of the present utility model, as shown in fig. 1, the electrolytic cell 100 includes a plurality of electrode plates 110 arranged in parallel in sequence, and a plurality of electrolytic chambers are formed between the plurality of electrode plates 110. The electrolytic cell 100 further comprises two end pressing plates 120, the two end pressing plates 120 are respectively arranged at two opposite ends of the plurality of polar plates 110, at least two power transmission plates 130 are arranged on the end pressing plates 120 and/or the polar plates 110, the end pressing plates 120 and/or the polar plates 110 are provided with partition sections 121 passing through the centers of the polar plates 110, the plurality of power transmission plates 130 are arranged at intervals along the circumferential periphery of the polar plates 110, and the at least two power transmission plates 130 are respectively distributed at two opposite sides of the partition sections 121.
Specifically, the electrolytic cell 100 includes a plurality of electrode plates 110 arranged in parallel in sequence, and a plurality of electrolytic chambers are formed between the plurality of electrode plates 110, and an electrolyte flows into the electrolytic chambers to perform an electrolytic reaction. The two end pressing plates 120 are disposed at opposite sides of the plurality of electrode plates 110 and press the electrode plates 110, and the power transmission plates 130 are fixed on the end pressing plates 120 and/or the electrode plates 110, and the positive or negative poles of the direct current are connected to the power transmission plates 130 and electrically connected to the electrode plates 110 through wires or cables, so that an electrolytic reaction occurs in the electrolytic chamber to generate hydrogen. However, as the hydrogen production per unit time of the electrolytic cell 100 increases, the direct current input current required for the electrolytic cell 100 increases, which increases the cross-sectional size of the power transmission plate 130. But is limited by the structural constraints of the tie rods 140 on the end plates 120, the power plates 130 are typically separated to form multiple independent structures, thereby avoiding the tie rods 140.
However, in the prior art, the power transmission plate 130 is often arranged adjacently on the end pressing plate 120, and when the wires or cables connecting the power transmission plate 130 and the electrolysis chamber are just arranged nearby the power transmission plate, the current flow path from the power transmission plate 130 to the electrolysis chamber is relatively close; when the current flowing path from the electrolysis chamber to the power transmission plate 130 is limited by the arrangement of the wires or cables in the electrolysis cell 100, and needs to flow to one end away from the end pressing plate 120, the current flowing paths are far, the current flowing paths of the wires or cables are different from each other by a half cycle of the near polar plate 110, and the difference of the flowing paths is large, so that the current in each electrolysis chamber is unevenly distributed, and unnecessary current loss is caused, thereby affecting the working efficiency of the electrolysis cell 100.
In this solution, the plurality of power transmission plates 130 are arranged at intervals along the circumference of the polar plate 110, and at least two power transmission plates 130 are respectively distributed on opposite sides of the partition section 121, the partition section 121 passes through the center of the polar plate 110, that is, the plane where the diameter of the polar plate 110 is located, at least two power transmission plates 130 in the plurality of power transmission plates 130 are respectively distributed on opposite sides of the partition section 121, that is, at least one partition section 121 is formed in opposite half areas of the power transmission plates 130, so that the distribution of the plurality of power transmission plates 130 at the end pressure plate 120 is more dispersed, the distance between the conductive connection points of different electrolysis chambers and the power transmission plates 130 is closer, the distance between the power transmission plates 130 and the electrolysis chambers is smaller as a whole, and the difference between the power transmission plates 130 and the different electrolysis chambers is smaller, and is lower than the half circumference of the polar plate 110, so that the current distribution in the different electrolysis chambers is more uniform. At least two power transmission plates 130 are arranged on the end pressing plate 120 and/or the polar plate 110, namely, the power transmission plates 130 can be welded on the end pressing plate 120 or the polar plate 110, or one part of the plurality of power transmission plates 130 is welded on the end pressing plate 120, and the other part is welded on the polar plate 110. And when the power transmission plate 130 is welded to the plates, in this embodiment, the plurality of plates 110 includes an end plate 110, the end plate 110 is located at an end of the plurality of plates 110, and the power transmission plate 130 is located on the end plate 110.
According to the technical scheme, the plurality of polar plates 110 are sequentially arranged in parallel, and a plurality of electrolysis chambers are formed among the plurality of polar plates 110. The electrolytic cell 100 further comprises two end pressing plates 120, the two end pressing plates 120 are respectively arranged at two opposite ends of the plurality of polar plates 110, at least two power transmission plates 130 are arranged on the end pressing plates 120 and/or the polar plates 110, the power transmission plates 130 are electrically connected with a power supply, and the power transmission plates 130 are electrically connected with the polar plates 110, so that the electrolyte is driven to generate electrolytic reaction in the electrolytic chamber to generate hydrogen. The end pressing plate 120 and/or the polar plate 110 are/is provided with a partition section 121 passing through the center of the polar plate 110, the partition section 121 passes through the center of the polar plate 110, namely, a plane where the diameter of the polar plate 110 is located, at least two power transmission plates 130 in the plurality of power transmission plates 130 are respectively distributed on two opposite sides of the partition section 121, namely, two opposite half areas of the power transmission plates 130 are respectively provided with at least one partition section 121, so that the distribution of the plurality of power transmission plates 130 on the end pressing plate 120 is more dispersed, the distance between the conductive connection points of different electrolytic chambers and the power transmission plates 130 is reduced, the distance between the power transmission plates 130 and the electrolytic chambers is reduced, the difference between the current paths of the power transmission plates 130 and the different electrolytic chambers is reduced, and is lower than half circle of the polar plate 110, so that the current distribution in the different electrolytic chambers 100 is more uniform, thereby improving the overall working efficiency of the electrolytic chambers 100. And the distribution of the cables connected to each power transmission plate 130 is more discrete, which is beneficial to heat dissipation of the cables and improves the current-carrying capacity of the cables, thereby reducing the number of cables and the cost of the system.
Referring to fig. 5, in an embodiment, the number of power transfer plates 130 is even, one half of the plurality of power transfer plates 130 is located at one side of the partition section 121, and the other half of the power transfer plates 130 is located at the other side of the partition section 121 and symmetrical with respect to the partition section 121. Specifically, when the number of the power transmission plates 130 is even, the plurality of power transmission plates 130 are symmetrically distributed on opposite sides of the partition section 121, and referring to fig. 5, when 2 power transmission plates 130 are distributed on the end pressing plate 120, the power transmission plates 130 are disposed on opposite sides of the end pressing plate 120, so that the distribution of the power transmission plates 130 on the end pressing plate 120 is more dispersed, and the difference in the lengths of the current paths from different electrolytic cells 100 to the power transmission plates 130 on opposite sides of the partition section 121 is smaller. Thereby making the current distribution in the different electrolytic cells 100 more uniform and improving the overall operating efficiency of the electrolytic cell 100. When the number of the power transmission plates 130 is even, two power transmission plates 130 may be disposed on the partition section 121 and located on opposite sides of the end pressing plate 130, and referring to fig. 2, 2 power transmission plates 130 are distributed on the end pressing plate 120, and 2 power transmission plates 130 are disposed on the partition section 121 and located on opposite sides of the end pressing plate 130.
Referring to fig. 3, 4 and 6, in another embodiment, the number of power transfer plates 130 is an odd number, and one of the plurality of power transfer plates 130 is located on the partition section 121, and half of the remaining power transfer plates 130 are located on one side of the partition section 121, and the other half of the power transfer plates 130 are located on the other side of the partition section 121 and are symmetrical with respect to the partition section 121. Specifically, when the number of power transmission plates 130 is an odd number, one of the plurality of power transmission plates 130 is located on the partition section 121, the remaining power transmission plates 130 are symmetrically distributed on opposite sides of the partition section 121, and when 3 power transmission plates 130 are distributed on the end pressing plate 120, referring to fig. 3 and 6, 1 power transmission plate 130 is located on the partition section 121, and the remaining 2 power transmission plates 130 are disposed on opposite sides of the end pressing plate 120; referring to fig. 4, when 9 power transmission plates 130 are distributed on the end pressing plate 120, 1 power transmission plate 130 is located on the partitioned section 121, and the remaining 8 power transmission plates 130 are disposed on opposite sides of the end pressing plate 120. Thereby making the current distribution in the different electrolytic cells 100 more uniform and improving the overall operating efficiency of the electrolytic cell 100.
Referring to fig. 1 to 6 in combination, in an embodiment, a plurality of power transmission plates 130 are uniformly spaced apart along the circumferential direction of the end press plate 120 and/or the pole plate 110. Specifically, the plurality of power transmission plates 130 are uniformly spaced along the circumferential direction of the end pressure plate 120 and/or the polar plate 110, that is, the distance between any two adjacent power transmission plates 130 is equal, and the larger the number of the power transmission plates 130 is, the smaller the difference between the current flow paths from the power transmission plates 130 to the electrolytic cells 100 is, so that the current flowing into different electrolytic cells 100 is distributed more uniformly, and the current distribution in the electrolytic cells is further uniform, thereby improving the overall hydrogen production efficiency of the electrolytic cells 100.
When the preset positions of the plurality of power transmission plates 130 interfere with the positions of the tie rods 140, in one embodiment, the power transmission plates 130 have preset positions and actual setting positions on the end press plates 120 and/or the polar plates 110, and an included angle between a direction from the preset position to the center of the polar plates 110 and a direction from the actual setting position to the center of the polar plates 110 is less than or equal to 15 °. Specifically, in an ideal state, when the plurality of power transmission plates 130 are uniformly arranged on the end pressing plate 120 and/or the polar plate 110 at intervals along the circumferential direction of the polar plate 110, the corresponding position of each power transmission plate 130 is a preset position, and when the position of the pull rod 140 interferes with the position of the power transmission plate 130, the power transmission plate 130 is required to deviate by a certain angle from the preset position, and at this time, the position of the power transmission plate 130 is the actual setting position because the pull rod 140 is also arranged on the end pressing plate 120. Therefore, the included angle between the direction from the preset position to the center of the polar plate 110 and the direction from the actual position to the center of the polar plate 110 is less than or equal to 15 °, so that the operator can conveniently adjust the position of the power transmission plate 130 according to the actual situation.
Referring again to fig. 1-6, in one embodiment, a plurality of power transfer plates 130 are disposed on the end platen 120 and on a side of the end platen 120 facing the plate 110. Compared with the power transmission plate 130 arranged on the side of the end pressing plate 120 away from the polar plate 110, the scheme further reduces the current path from the power transmission plate 130 to the electrolysis chamber, thereby further reducing unnecessary current loss and improving the overall hydrogen production efficiency of the electrolysis cell 100.
In an embodiment, the two end pressing plates 120 are fixed to each other by a plurality of pull rods 140 and pressed against the plurality of pole plates 110, and the plurality of pull rods 140 are uniformly arranged along the circumferential direction of the pole plates 110, and the power transmission plate 130 is disposed between the two pull rods 140. Specifically, opposite ends of the tie rod 140 are respectively connected to the two end pressing plates 120, thereby fixing a distance between the two end pressing plates 120 such that the end pressing plates 120 are pressed against the plurality of electrode plates 110. And the plurality of pull rods 140 are uniformly distributed along the circumferential direction of the polar plate 110, so that the stress of the polar plate 110 is more uniform, and the possibility of electrolyte leakage is reduced. The power transmission plate 130 is arranged between the two pull rods 140, that is, the power transmission plate 130 and the pull rods 140 are positioned on the periphery corresponding to the same diameter, and the power transmission plate 130 and the pull rods 140 are arranged in a staggered manner, so that the protruding width of the end pressing plate 120 relative to the periphery of the polar plate 110 is reduced, the whole volume of the end pressing plate 120 is reduced, and the occupied space of the electrolytic cell 100 is further reduced.
In an embodiment, the number of the power transmission plates 130 disposed on the two end pressing plates 120 and/or the two electrode plates 110 is equal, and the power transmission plates 130 on the two end pressing plates 120 are symmetrically arranged. Specifically, the positive electrode and the negative electrode in the power supply are respectively connected with the power transmission plates 130 on the two end pressing plates 120, so that the two end pressing plates 120 and/or the power transmission plates 130 on the two polar plates 110 are respectively used as the cathode and the anode of the corresponding electrolytic cell 100, and therefore the number of the power transmission plates 130 arranged on the two end pressing plates 120 or the two polar plates 110 is equal. The two end pressing plates 120 or the power transmission plates 130 on the two polar plates 110 are symmetrically arranged, so that the connection positions of the positive electrode and the negative electrode of the power supply and the corresponding power transmission plates 130 are the same, the operation is convenient, and the installation efficiency of the electrolytic cell 100 is improved.
In another embodiment, the number of power transmission plates 130 provided on the two end press plates 120 and/or the two electrode plates 110 is equal, and the power transmission plates 130 on the two end press plates 120 or the two electrode plates 110 are arranged in a staggered and symmetrical mannerAnd (3) cloth. Specifically, the power transmission plates 130 on the two end pressing plates 120 or the two polar plates 110 are arranged in a staggered and symmetrical manner, that is, one of the two end pressing plates 120 or the two polar plates 110 rotates a certain angle relative to the other to be in a mutually symmetrical state, the rotation angle depends on the number of the power transmission plates 130 on the end pressing plates 120, and when the two power transmission plates 130 are arranged on the end pressing plates 120 or the two polar plates 110, the mutual symmetry can be realized by rotating one of the two end pressing plates 120 by 90 degrees relative to the other. Its rotation angle
The following formula should be satisfied: />
Wherein A represents the number of the power transmission plates, a represents a coefficient, and 0.8-1.2 is taken.
In other embodiments, the two end plates 120 or the power plates 130 on the two plates 110 may also be arranged asymmetrically.
Referring to fig. 5 and 6, in an embodiment, when the plate 110 and/or the end plate of the electrolytic cell 100 are in the shape of a polygon, the power transmission plates 130 are distributed on the corresponding facets of the plate 110 and/or the end plate 120. Specifically, the shape of the electrolytic cell 100 may be a quadrangular prism, a hexagonal prism, or the like, and when the electrolytic cell is in a polygonal prism shape, the power transmission plates 130 are distributed on the corresponding prism surfaces of the polar plates 110 and/or the end pressing plates 120, so that an operator can conveniently and rapidly position the installation position of the power transmission plates 130, thereby improving the installation efficiency of the power transmission plates 130.
The utility model also provides a hydrogen production system, which comprises an electrolytic tank 100, wherein the specific structure of the electrolytic tank 100 refers to the embodiment, and as the hydrogen production system adopts all the technical schemes of all the embodiments, at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (11)
1. An electrolytic cell, comprising:
a plurality of polar plates which are sequentially arranged in parallel, and a plurality of electrolysis chambers are formed between the polar plates;
the two end pressing plates are respectively arranged at the two opposite ends of the polar plates, at least two power transmission plates are arranged on the end pressing plates and/or the polar plates, the end pressing plates and/or the polar plates are provided with partition sections passing through the centers of the polar plates, and at least two of the power transmission plates are respectively distributed at the two opposite sides of the partition sections.
2. The electrolyzer of claim 1 wherein the plurality of plates comprises an end plate at an end of the plurality of plates and the power plate is positioned on the end plate.
3. The electrolyzer of claim 1 characterized in that the number of said power transfer plates is even, half of the plurality of said power transfer plates being located on one side of said partitioned section and the other half of said power transfer plates being located on the other side of said partitioned section and being symmetrical about said partitioned section.
4. The electrolyzer of claim 1 characterized in that the number of said power transfer plates is an odd number, one of said power transfer plates being located on said partitioned section and half of the remaining power transfer plates being located on one side of said partitioned section and the other half of said power transfer plates being located on the other side of said partitioned section and being symmetrical about said partitioned section.
5. The cell of claim 3 or 4, wherein a plurality of said power transfer plates are arranged at regular intervals along the circumferential direction of said end plates and/or said plates.
6. The electrolytic cell of claim 5 wherein the power transfer plate has a preset position and an actual setting position on the end pressure plate and/or the electrode plate, wherein an included angle between a direction from the preset position to the electrode plate center and a direction from the actual setting position to the electrode plate center is less than or equal to 15 °.
7. The electrolyzer of claim 1 characterized in that a plurality of said power transfer plates are disposed on said end plates on the side of said end plates facing said plates.
8. The electrolytic cell of claim 1 wherein the two end plates are secured to each other by a plurality of tie bars and are compressed against the plurality of pole plates, the plurality of tie bars being uniformly arranged along the circumferential direction of the pole plates, the power transfer plate being disposed between the two tie bars.
9. The electrolytic cell of claim 1 wherein the number of said power transfer plates provided on both said end clamps and/or both said plates is equal and said power transfer plates on both said end clamps or both said plates are symmetrically arranged with respect to each other; or alternatively, the first and second heat exchangers may be,
the two end pressing plates and/or the two power transmission plates arranged on the polar plates are equal in number, and the two end pressing plates or the two power transmission plates on the polar plates are arranged in a staggered and symmetrical mode.
10. The cell of claim 1, wherein the power transmission plates are distributed on corresponding facets of the plates and/or the end plates when the plates and/or the end plates of the cell are in the shape of a polygon.
11. A hydrogen production system comprising an electrolysis cell according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223409558.4U CN219099322U (en) | 2022-12-15 | 2022-12-15 | Electrolysis tank and hydrogen production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223409558.4U CN219099322U (en) | 2022-12-15 | 2022-12-15 | Electrolysis tank and hydrogen production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219099322U true CN219099322U (en) | 2023-05-30 |
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|---|---|---|---|
| CN202223409558.4U Active CN219099322U (en) | 2022-12-15 | 2022-12-15 | Electrolysis tank and hydrogen production system |
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