CN219326845U - Structure for normal pressure water electrolysis device - Google Patents
Structure for normal pressure water electrolysis device Download PDFInfo
- Publication number
- CN219326845U CN219326845U CN202223583583.4U CN202223583583U CN219326845U CN 219326845 U CN219326845 U CN 219326845U CN 202223583583 U CN202223583583 U CN 202223583583U CN 219326845 U CN219326845 U CN 219326845U
- Authority
- CN
- China
- Prior art keywords
- flow field
- plate
- water electrolysis
- holes
- electrolysis 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
Classifications
-
- 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
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a structure of an atmospheric water electrolysis device, which has the technical scheme that: the utility model has the beneficial effects that: the device has the characteristics of no interference in assembly among components, clear functions of all components and capability of being independently replaced, meanwhile, corresponding holes can be added on a single component for testing parameters such as temperature, voltage and the like according to use requirements, the assembly process is simple, the technical requirement is low, the device has the characteristics of compact structure, good contact, uniform pressure and the like, has smaller device resistance, can finally obtain better electrolyzed water testing performance, and meets the requirements of scientific research and industrialization testing.
Description
Technical Field
The utility model relates to the technical field of normal pressure water electrolysis device structures, in particular to a structure for a normal pressure water electrolysis device.
Background
The proton exchange membrane water electrolysis cell (PEMWE) technology has become a research hot spot in the field of hydrogen production due to the advantages of high efficiency, compact structure, strong power self-adaptability, high product purity, easiness in integration with renewable energy sources and the like, and most of water electrolysis devices have different structures and shapes at present, so that the performances and application scenes of different water electrolysis devices are also greatly different.
The whole structure of the device of the existing water electrolysis device structure is complex, positioning and device assembly among different parts are not easy, the internal flow path structure is complex, the performance is unstable, the installation is difficult, the processing cost is high, and the corresponding parts are difficult to replace independently.
Disclosure of Invention
Therefore, the utility model provides a normal pressure water electrolysis device structure, which aims to solve the problems that the whole structure of the device of the water electrolysis device structure is complex, the positioning and the device assembly among different parts are not easy, the internal flow path structure is complex, the performance is unstable, the installation is difficult, the processing cost is high, and the independent replacement of corresponding parts is difficult.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a be used for normal pressure electrolysis water device structure, includes two end plates, two be equipped with two current collector plates between the end plate, two be equipped with two flow field plates between the current collector plate, two be equipped with the sealing washer between the flow field plate, two be equipped with two porous layers between the sealing washer, two be equipped with the membrane electrode between the sealing washer, two porous layer respectively with two the sealing washer looks lock.
Preferably, the side of the end plate is provided with an inner flow path, the top of the end plate is provided with an end plate temperature measuring hole, one side of the end plate is provided with a plurality of bolt holes, and the other side of the end plate is provided with two first device assembling positioning holes and two flow passage end plate internal interfaces respectively.
Preferably, two flow path penetrating holes are formed in one side of the current collecting plate, two second device assembling positioning holes are formed in one side of the current collecting plate, and a bolt penetrating hole and a power interface are formed in one side of the current collecting plate respectively.
Preferably, two flow field plate positioning holes and two flow field openings are respectively formed in one side of the flow field plate, a flow field is arranged on the other side of the flow field plate, and a plurality of first membrane electrode assembly positioning holes are formed in one side of the flow field plate.
Preferably, flow field temperature measuring holes are formed in the side edges of the flow field plates.
Preferably, a plurality of second membrane electrode assembly positioning holes are formed in one side of the sealing ring, and a porous layer assembly area can only be formed in the middle of the sealing ring.
Preferably, the two current collecting plates are respectively provided as a cathode and an anode.
Preferably, the sealing ring is consistent with the thickness of the porous layer.
The embodiment of the utility model has the following advantages:
1. the device has the characteristics of no interference in assembly among the components, clear functions of each component and capability of being independently replaced, meanwhile, corresponding holes can be added on a single component for testing parameters such as temperature, voltage and the like according to use requirements, the device has reasonable positioning hole design for positioning among the components, can realize the self-positioning accurate assembly of any two components, and has simple assembly process and low technical requirements;
2. the device has the characteristics of compact structure, good contact, uniform pressure and the like, has smaller device resistance, can finally obtain better electrolyzed water testing performance, and meets the requirements of scientific research and industrialization testing.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic view of the overall structure provided by the present utility model;
FIG. 2 is a schematic view of the left side structure of the end plate according to the present utility model;
FIG. 3 is a schematic view of the right side structure of the end plate according to the present utility model;
fig. 4 is a schematic view of a left side structure of a current collecting plate according to the present utility model;
fig. 5 is a schematic view of the right side structure of the current collecting plate according to the present utility model;
fig. 6 is a schematic view of a left side structure of a flow field plate provided by the present utility model;
fig. 7 is a schematic view of the right side structure of the flow field plate provided by the utility model;
FIG. 8 is a schematic diagram of a seal ring according to the present utility model;
FIG. 9 is a polarization graph of an electrolyzed water apparatus provided by the present utility model;
fig. 10 is a graph of impedance of the water electrolysis device provided by the present utility model.
In the figure: 1. an end plate; 2. a current collecting plate; 3. a flow field plate; 4. a seal ring; 5. a porous layer; 6. a membrane electrode; 7. an inner flow path; 8. an end plate temperature measuring hole; 9. a flow field temperature measuring hole; 10. bolt holes; 11. a first device assembly locating hole; 12. an internal interface of the runner end plate; 13. a flow path through the aperture; 14. a second device assembly locating hole; 15. a bolt penetrating hole; 16. a power interface; 17. a flow field plate locating hole; 18. a flow field port; 19. a first membrane electrode assembly positioning hole; 20. a flow field; 21. a porous layer assembly region; 22. and the second membrane electrode is assembled with the positioning hole.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. 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.
Referring to fig. 1-10, the structure of the normal pressure water electrolysis device provided by the utility model comprises two end plates 1, two current collecting plates 2 are arranged between the two end plates 1, two flow field plates 3 are arranged between the two current collecting plates 2, a sealing ring 4 is arranged between the two flow field plates 3, two porous layers 5 are arranged between the two sealing rings 4, a membrane electrode 6 is arranged between the two sealing rings 4, and the two porous layers 5 are respectively buckled with the two sealing rings 4;
in this embodiment, the inner flow path 7 enters from the outside from the side of the end plate 1, and the inner flow path 7 inside the end plate 1 is bent by 90 degrees and then is directly led through the flow collecting plate 2 and the flow field plate 3 to be led into the flow field 20 on the front surface of the flow field plate 3, so that the flow field has the advantages of simple flow field structure, small flow loss and good sealing effect, the device has simple assembly process (as shown in fig. 9), and can realize the accurate positioning of each component under the condition of using fewer positioning pins, and meanwhile, the device has excellent electrolytic water performance, including larger current density (as shown in fig. 10) and smaller impedance (as shown in fig. 10).
In order to achieve the purpose of providing uniform pressure, the device is realized by adopting the following technical scheme: an inner flow path 7 is arranged on the side edge of the end plate 1, an end plate temperature measuring hole 8 is arranged at the top of the end plate 1, a plurality of bolt holes 10 are arranged on one side of the end plate 1, two first device assembling locating holes 11 and two flow passage end plate inner interfaces 12 are respectively arranged on the other side of the end plate 1, the inner flow path 7 is positioned on the side edge of the end plate 1, the device assembling is convenient, the tool use in the assembling process is prevented from being hindered when an inlet and an outlet are positioned above the end plate 1, meanwhile, the inner flow path 7 in the inner flow path is bent at 90 degrees, the flow passage in the side inlet and outlet direction can be effectively changed into the direction of being communicated with the device, the material of the flow passage can be aluminum or alloy thereof, stainless steel, titanium or alloy thereof and other different metals, the materials can be selected (pure water, alkaline solution, acid solution and the like) according to different testing environments, the thickness is mainly 5-50mm, the thickness can be regulated according to actual requirements (rigidity, pressure uniformity and the like), the size can be determined according to the actual reaction area and the size of the inner core component, and the shape, the size and the size of the inner flow passage 7 can be properly adjusted, and the shape and the size of the inner flow passage can be mainly used for locating the locating plate and the position of the flow field, and the flow field, as shown in fig. 2-3;
in order to achieve the purpose of loading current, the device is achieved by adopting the following technical scheme: two flow passage penetrating holes 13 are formed on one side of the current collecting plate 2, two second device assembling positioning holes 14 are formed on one side of the current collecting plate 2, a bolt penetrating hole 15 and a power interface 16 are formed on one side of the current collecting plate 2, the two current collecting plates 2 are respectively arranged as a cathode and an anode, the current collecting plate 2 has a thinner thickness, generally 1-10mm, the material of the current collecting plate 2 can be selected from copper or alloy thereof, stainless steel, titanium or alloy thereof and other metals, the surface of the current collecting plate can adopt gold plating, silver, platinum and other noble metal methods to reduce the contact resistance between the current collecting plate and the flow field plate 3, the surface of the current collecting plate, which is contacted with the end plate 1, needs to be adhered with an insulating layer to prevent the short circuit failure of devices, a hole power interface 16 which is convenient for fixing when an external circuit is connected is formed, the size of the current collecting plate is determined according to the circuit connector, the power interface 16 is positioned at the protruding part of the ears of the current collecting plate 2 in a cathode and anode staggered mode, the installation and disassembly of the power line are convenient, the processing materials can be saved, the size of the hole bolt penetrating hole 15 for the penetrating of the end plate bolt is at least 10 percent larger than the size of the bolt, or the insulating shell can be sleeved outside the bolt to ensure that the bolt is not contacted with the current collecting plate 2, the insulating shell is also provided with two second device assembling positioning holes 14 and two flow path penetrating holes 13, the sizes and positions of the two second device assembling positioning holes 14 are consistent with those of the first device assembling positioning holes 11 of the end plate 1, the two flow path penetrating holes 13 are used for pipeline penetrating on one hand, the size is the pipeline diameter plus the size of a proper sealing gasket, the two interfaces of the current collecting plate 2 and the end plate 1 and the current collecting plate 2 and the flow field plate 3 can be effectively sealed, the thickness of the current collecting plate 2 is ensured to be slightly smaller than the thickness of the sealing gasket matched with the current collecting plate 2, and the sealing performance is ensured, on the other hand, the flow path through holes 13 also realize the positioning of assembly through the pipelines, the pipelines are effectively utilized for positioning, and the number of corresponding positioning pins and positioning holes is reduced, so that the two positioning holes are provided with the positioning pins and the two flow path through holes are provided with the pipelines, and the accurate positioning of the device assembly can be realized, as shown in fig. 4-5;
in order to achieve the purpose of an effective flow channel or flow field, the device is realized by adopting the following technical scheme: two flow field plate positioning holes 17 and two flow field openings 18 are respectively formed on one side of the flow field plate 3, a flow field 20 is formed on the other side of the flow field plate 3, a plurality of first membrane electrode assembly positioning holes 19 are formed on one side of the flow field plate 3, flow field temperature measuring holes 9 are formed on the side of the flow field plate 3, the flow field plate 3 is processed by adopting graphite, titanium or alloy thereof, stainless steel and other materials, the thickness is 1-20mm, the surface of the flow field plate can be reduced by adopting a method of gold plating, silver, platinum, iridium and other noble metals, the contact resistance between the flow field plate 2 and the porous layer 5 is reduced, the corrosion resistance is improved, the back surface of the flow field plate is provided with the two flow field plate positioning holes 17 and the two flow field openings 18, the flow field plate positioning holes 17 realize the positioning function through positioning pins, the flow field ports 18 realize the functions of connecting and positioning a flow path through a pipeline, the device is ensured to realize accurate positioning and assembly, the front surface of the device is provided with a proper flow field structure, the specific forms comprise a parallel flow field, a single serpentine flow field, a double serpentine flow field, a multi-serpentine flow field, a cylindrical support flow field, a cavity flow field and the like, the flow field shape comprises regularity, the front surface of the device is also provided with first membrane electrode assembly positioning holes 19 for membrane electrode assembly positioning, the first membrane electrode assembly positioning holes 19 are distributed around the flow field 20, and the side surface of the device is provided with flow field temperature measuring holes 9 which are directly inserted into the rear part of the flow field for temperature measurement, as shown in fig. 6-7;
in order to achieve the sealing purpose, the device is achieved by adopting the following technical scheme: a plurality of second membrane electrode assembly locating holes 22 have been seted up to sealing washer 4 one side, porous layer assembly district 21 has only been seted up at the middle part to sealing washer 4, sealing washer 4 is unanimous with porous layer 5 thickness, and second membrane electrode assembly locating hole 22's position is corresponding with flow field plate 3 front first membrane electrode assembly locating hole 19, and effective location membrane electrode assembly prevents the emergence of phenomena such as slippage, torsion, dislocation of membrane electrode in the assembly process, and the porous layer assembly district 21 of middle part is porous layer 5 places in the location area, and porous layer 5 can effectively be arranged in porous layer assembly district 21 for porous layer 5 installs has the characteristics of self-align, avoids placing porous layer 5 and takes place phenomenon such as dislocation, overlap, guarantees the accuracy and the reliability of device assembly.
The application process of the utility model is as follows: when the utility model is used, the inner flow path (7) enters from the outside from the side surface of the end plate (1), and the inner flow path (7) in the end plate (1) is bent by 90 degrees and then is directly connected with the flow collecting plate (2) and the flow field plate (3) to be led into the flow field (20) on the front surface of the flow field plate (3), so that the utility model has the advantages of simple flow field structure, small flow loss and good sealing effect.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (8)
1. A structure for an atmospheric water electrolysis device comprising two end plates (1), characterized in that: two be equipped with two collector plates (2) between end plate (1), two be equipped with two flow field board (3) between collector plate (2), two be equipped with sealing washer (4) between flow field board (3), two be equipped with two porous layer (5) between sealing washer (4), two be equipped with membrane electrode (6) between sealing washer (4), two porous layer (5) respectively with two sealing washer (4) looks lock.
2. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: the inner flow path (7) has been seted up to end plate (1) side, end plate temperature measurement hole (8) have been seted up at end plate (1) top, a plurality of bolt holes (10) have been seted up to end plate (1) one side, two first device assembly locating hole (11) and two runner end plate internal interface (12) have been seted up respectively to end plate (1) opposite side.
3. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: two flow path through holes (13) are formed in one side of the current collecting plate (2), two second device assembly positioning holes (14) are formed in one side of the current collecting plate (2), and bolt through holes (15) and a power interface (16) are formed in one side of the current collecting plate (2) respectively.
4. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: two flow field plate locating holes (17) and two flow field openings (18) are respectively formed in one side of the flow field plate (3), a flow field (20) is arranged on the other side of the flow field plate (3), and a plurality of first membrane electrode assembly locating holes (19) are formed in one side of the flow field plate (3).
5. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: flow field temperature measuring holes (9) are formed in the side edges of the flow field plates (3).
6. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: a plurality of second membrane electrode assembly positioning holes (22) are formed in one side of the sealing ring (4), and a porous layer assembly area (21) can only be formed in the middle of the sealing ring (4).
7. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: the two current collecting plates (2) are respectively provided as a cathode and an anode.
8. A structure for an atmospheric pressure water electrolysis device according to claim 1, wherein: the thickness of the sealing ring (4) is consistent with that of the porous layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223583583.4U CN219326845U (en) | 2022-12-30 | 2022-12-30 | Structure for normal pressure water electrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223583583.4U CN219326845U (en) | 2022-12-30 | 2022-12-30 | Structure for normal pressure water electrolysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219326845U true CN219326845U (en) | 2023-07-11 |
Family
ID=87067326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223583583.4U Active CN219326845U (en) | 2022-12-30 | 2022-12-30 | Structure for normal pressure water electrolysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219326845U (en) |
-
2022
- 2022-12-30 CN CN202223583583.4U patent/CN219326845U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112838232B (en) | Full-through-hole metal fiber sintered body fuel cell bipolar plate and fuel cell stack | |
| CN113235110A (en) | Novel water electrolysis hydrogen production electrolytic cell device | |
| CN111621806A (en) | Special-shaped current collector, PEM water electrolysis hydrogen production device and water electrolysis hydrogen production method | |
| CN107146904A (en) | Fuel cell end plate combination, the combination of distant place end plate, sheet inlet combination and pile | |
| CN105161739A (en) | Fuel cell device | |
| CN219326845U (en) | Structure for normal pressure water electrolysis device | |
| CN210467988U (en) | Air-cooled fuel cell metal bipolar plate | |
| CN113106481B (en) | Oxyhydrogen generating device and oxyhydrogen preparation method thereof | |
| CN214881863U (en) | Electrolytic cell polar net iridium coating | |
| CN201766147U (en) | Zinc air battery | |
| CN102148384B (en) | Composite membrane, fuel cell and preparation method of composite membrane | |
| CN113818038A (en) | Axial non-equidistant corrugated plate electrode | |
| CN112838234B (en) | Metal fiber flow field and metal fiber gas diffusion layer integrated sintered bipolar plate | |
| CN211971849U (en) | Electrocatalytic oxidation reactor with semiconductor substrate electrode | |
| CN218880077U (en) | Electrolytic cell with replaceable flow channel | |
| CN218345555U (en) | Metal double-sided board | |
| CN220246283U (en) | Low-cost and high-conductivity polar plate group | |
| CN219641628U (en) | High flux split-domain type water electrolysis device | |
| CN215560705U (en) | Ozone generator | |
| CN218115609U (en) | Electrolytic tank suitable for hydrogen energy battery | |
| CN217499434U (en) | Water electrolytic tank with long service life and short assembly period | |
| CN216870446U (en) | Membrane-free flow cell equipment for electro-catalysis hydrogen production | |
| CN219513140U (en) | Polar plate structure of fuel cell and fuel cell stack | |
| CN219363817U (en) | Sealing flow guiding electrode frame for PEM (PEM) electrolytic tank | |
| CN107611460B (en) | Fuel cell capable of controlling self-corrosion of cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |