CN210215563U - High-pressure water electrolytic tank - Google Patents
High-pressure water electrolytic tank Download PDFInfo
- Publication number
- CN210215563U CN210215563U CN201920538075.3U CN201920538075U CN210215563U CN 210215563 U CN210215563 U CN 210215563U CN 201920538075 U CN201920538075 U CN 201920538075U CN 210215563 U CN210215563 U CN 210215563U
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- Prior art keywords
- current collector
- plate
- water
- insulating
- metal
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000001257 hydrogen Substances 0.000 claims abstract description 36
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 13
- 238000005868 electrolysis reaction Methods 0.000 abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
Abstract
The utility model discloses a water under high pressure electrolysis trough, including the metal frame, metal frame inboard is provided with the insulating inside lining base, the top of insulating inside lining base is provided with anodal electricity board that connects, the bottom of insulating inside lining base is provided with the negative pole and connects the electricity board, anodal electricity board and negative pole connect and be provided with the electrolysis trough between the electricity board, the electrolysis trough is piled up by a plurality of bipolar plates and forms, be provided with anode collector and cathode collector between per two bipolar plates, anode collector sets up towards one side of anodal electricity board, cathode collector sets up towards one side of negative pole electricity board, be provided with the membrane electrode between anode collector and the cathode collector, anode collector's inboard is provided with C type sliding ring combination seal inner ring, cathode collector's the outside is provided with C type sliding ring combination seal outer loop, the inboard of C type sliding ring combination seal inner ring is provided with the metal. The utility model solves the high-pressure sealing problem of the proton exchange membrane water electrolyzer and obviously improves the hydrogen outlet pressure of the electrolyzer.
Description
Technical Field
The utility model relates to the technical field of electrolysis, in particular to a high-pressure water electrolytic tank.
Background
The proton exchange membrane water electrolysis device has wide application prospect in the aspects of power grid energy storage, fuel cells, hydrogen stations, aerospace, chemical engineering and the like due to high energy efficiency, high gas yield and high purity, and small size and light weight. By utilizing the PEM water electrolysis hydrogen production technology, the redistribution of power resources in time and space dimensions and the diversified utilization of electrolysis products are realized, the comprehensive utilization efficiency of energy can be greatly improved, and the carbon emission is reduced.
However, the existing PEM water electrolyzer is restricted by the sealing form and cannot generate high-pressure hydrogen, and the existing PEM water electrolyzer usually adopts polytetrafluoroethylene or ethylene propylene diene monomer rubber to prepare a flat plate sealing gasket, and the structure is compacted by the pretightening force of a bolt to realize sealing. The maximum pressure of hydrogen gas which can be prepared by the structure of the water electrolyzer is generally not more than 3.5MPa due to the limit of the allowable compression amount of the rubber sealing piece.
In order to meet the requirements of hydrogen energy applications such as fuel cells, hydrogen stations and the like, hydrogen gas must be stored in a high-pressure gas cylinder, and the pressure of the stored gas cylinder is usually 35 MPa. At present, the highest pressure of hydrogen prepared by a PEM water electrolyzer is not more than 3.5MPa, and the hydrogen can be stored in a gas cylinder only by a hydrogen compressor to reach a set high pressure. Therefore, the whole equipment of the water electrolysis hydrogen production system has large volume, high energy consumption, poor reliability and low electrolysis efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defects of the prior art and provide a high-pressure water electrolytic tank.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a high-pressure water electrolytic tank, which comprises a metal frame, wherein an insulating lining base is arranged on the inner side of the metal frame, an anode electricity-receiving plate is arranged on the top end of the insulating lining base, a cathode electricity-receiving plate is arranged on the bottom end of the insulating lining base, an electrolytic tank is arranged between the anode electricity-receiving plate and the cathode electricity-receiving plate, the electrolytic tank is formed by stacking a plurality of bipolar plates, an anode current collector and a cathode current collector are arranged between every two bipolar plates, the anode current collector is arranged towards one side of the anode electricity-receiving plate, the cathode current collector is arranged towards one side of the cathode electricity-receiving plate, a membrane electrode is arranged between the anode current collector and the cathode current collector, a C-shaped slip ring combined sealing inner ring is arranged on the inner side of the anode current collector, a C-shaped slip ring combined sealing outer ring is arranged on the outer side of the cathode current collector, the center positions of the bipolar plate, the anode current collector, the membrane electrode, the cathode current collector and the anode electrode plate are all positioned on the same vertical axis, hydrogen discharge holes are formed in the centers of the bipolar plate, the anode current collector, the membrane electrode, the cathode current collector and the anode electrode plate, gaps are formed between two ends of the electrolytic cell and the insulating lining base, water flow channels are formed by the gaps and the inner areas of the bipolar plate, one ends of the water flow channels are connected with water inlets, the other ends of the water flow channels are connected with water outlets, water enters the inner areas of the bipolar plate through the water inlet ends of the water flow channels, and flows out from the water outlet ends of the water flow channels after reaction of the bipolar plate.
As an optimal technical scheme of the utility model, C type sliding ring combined seal structure is all adopted to C type sliding ring combined seal outer loop and C type sliding ring combined seal inner ring, C type sliding ring combined seal structure comprises high pressure resistant O type sealing washer and PTFE skeleton, high pressure resistant O type sealing washer lock joint is on the PTFE skeleton, and C type sliding ring combined seal structure is connected with the bipolar plate through high pressure resistant O type sealing washer.
As an optimal technical scheme of the utility model, the top of metal frame is provided with the metal upper end plate, be provided with insulating end cover between metal upper end plate and the metal frame.
As an optimal technical scheme of the utility model, metal upper end plate and insulating end cover all pass through bolt and metal frame fixed connection.
As an optimal technical scheme of the utility model, water inlet and delivery port all are located the both sides on metal upper end plate and insulating end cover surface, the hydrogen discharge hole is located the central point on metal upper end plate and insulating end cover surface and puts, and just insulating end cover meets the electric plate lock with the positive pole, and the positive pole meets the electric plate node and passes the outside extension of insulating end cover.
As an optimal technical scheme of the utility model, the outside of bolt is provided with lock nut, be provided with the dish spring between bolt and the metal upper end plate.
As an optimal technical scheme of the utility model, the bottom that the negative pole connects the electroplax is provided with the bottom and connects the electrical terminal, the bottom connects the electrical terminal and passes the metal frame and outwards extend.
As an optimal technical scheme of the utility model, be provided with the elastic sealing pad between bottom electrical connection terminal and the insulating inside lining base.
As an optimized technical proposal of the utility model, the whole high-pressure water electrolytic tank adopts a circular structure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the sealing structure adopts a differential pressure design, hydrogen high-pressure sealing is respectively formed on the outer side of the cathode current collector and the inner side of the anode current collector, the requirements of water and oxygen through-flow sealing are reduced, a PTFE framework and O-shaped ring combined sealing mode is adopted in the sealing structure, the self-tightening sealing effect is achieved, the high pressure of 0-50MPa can be borne, the abrasion of the O-shaped ring is small, and the service life is long.
2. The runner structure forms a water flow channel with the stacked bipolar plates through the insulating lining base, hydrogen is discharged from a center hole of the galvanic pile, the structure of the traditional electrolytic tank is simplified, and the high-pressure tightness of the hydrogen is improved.
3. The pressure-bearing structure can supply water at normal pressure of the electrolytic cell and produce hydrogen at high pressure, and meanwhile, the stability is provided for the electrolytic cell.
4. The electric connection structure adopts the structural design of positive and negative end electric connection columns, so that most of the electric connection structure is wrapped in the insulating electrolytic cell, and the electric insulation performance is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
fig. 3 is a top view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 3;
FIG. 6 is a schematic view of a partial structure of a single electrolytic cell of the present invention;
fig. 7 is a schematic overall structure diagram of the C-shaped slip ring combined sealing structure of the present invention;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
FIG. 9 is an enlarged view of a portion of the structure of FIG. 8;
in the figure: 1. a locknut; 2. a disc spring; 3. a bolt; 4. a metal upper end plate; 5. an insulating end cap; 6. the positive electrode is connected with an electric plate; 7. c-shaped slip ring combined sealing inner ring; 8. a support inner ring; 9. an anode current collector; 10. a membrane electrode; 11. a cathode current collector; 12. the C-shaped slip ring is combined with the sealing outer ring; 13. a bipolar plate; 14. a negative electrode connecting plate; 15. the bottom is connected with an electric terminal; 16. an elastic sealing gasket; 17. an insulating liner base; 18. a metal outer frame; 19. a high pressure resistant O-shaped seal ring; 20. a PTFE backbone; 21. a hydrogen gas discharge hole; 22. a C-shaped slip ring combined sealing structure; 23. a water inlet; 24. a water outlet; 25. an electrolytic cell; 26. a water flow channel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
As shown in fig. 1-3, the utility model provides a high-pressure water electrolytic tank, including locknut 1, dish spring 2, bolt 3, metal upper end plate 4, insulating end cover 5, anodal electricity connection board 6, C type sliding ring combined seal inner ring 7, support inner ring 8, positive pole current collector 9, membrane electrode 10, negative pole current collector 11, C type sliding ring combined seal outer loop 12, bipolar plate 13, negative pole electricity connection board 14, bottom electricity connection terminal 15, the gasket 16, insulating lining base 17, metal frame 18 is stainless steel with metal upper end plate 4 for bear inside high pressure. The two sides of the metal upper end plate 4 are symmetrically provided with a water inlet 23 and a water inlet 24, and the center of the metal upper end plate is in positioning fit with the middle bulge of the insulating end cover 5; the bottom through hole of the metal outer frame 18 is used for extending out of the bottom electric connection terminal 15, the end face of the metal outer frame is provided with a sealing groove, and the metal outer frame is matched with the insulating end cover 5 to realize sealing. The insulating end cover 5 is made of temperature-resistant insulating materials such as polypropylene and the like, ensures the insulation safety of the electrolytic cell, is provided with two water inlet holes and two water outlet holes to play a shunting role, a hydrogen outlet and a positive electrode through hole are arranged at the middle bulge, and the through hole is sealed by a high-pressure-resistant O-shaped sealing ring. Insulating lining base 17 adopts temperature resistant insulating material such as polypropylene, and the medial surface forms inlet channel structure and outlet channel structure with the laminating of negative pole electricity board 14, bipolar plate 13, the 6 lateral surfaces of anodal electricity board, communicates insulating end cover 5 business turn over water hole, and medial surface wall thickness department is equipped with the semicircle breach, realizes the cylindric lock location with the cooperation of inside negative pole electricity board 14, bipolar plate 13, the 6 lateral surfaces breach of anodal electricity board, and the cylindric lock adopts insulating material. The elastic sealing gasket 16 can be made of elastic materials such as rubber and the like, is matched with the bottom electric connection terminal 15, and plays a sealing role while absorbing the heat expansion of the internal structure. The bottom electric terminal 15 can be made of conductive materials such as brass and the like, is tightly attached to the negative electrode electric plate 14 and is connected with the negative electrode of the power supply. The positive electrode electricity-connecting plate 6 is made of titanium material, the two conductive columns are connected with the positive electrode of the power supply, and the central through hole is used as a hydrogen outlet. The negative electrode electricity-connecting plate 14 is made of titanium material, and is made of a circular ring bulge, and is matched with the C-shaped slip ring combined seal outer ring 12 and the membrane electrode 10 to realize high-pressure seal of the outer ring of the cathode current collector 11, and arc-shaped gaps are symmetrically arranged on two sides of the circular ring bulge and are structurally connected with the water inlet and outlet flow channel to realize water inlet and outlet of the anode current collector 9. The bipolar plate 13 is made of titanium, a central through hole is a hydrogen outlet, and the hydrogen flow channel is sealed by matching with an anode current collector 9, a C-shaped slip ring combined sealing inner ring 7, a metal support inner ring 8, a membrane electrode 10 and a cathode current collector 11. The anode current collector 9 is made of a powder titanium plate, one surface of the anode current collector is smooth and clean, the other surface of the anode current collector is provided with a runner groove, the runner groove plays a role in flow guiding, and the middle through hole is used as a hydrogen outlet. The membrane electrode 10 adopts a perfluorinated sulfonic acid proton exchange membrane, and a middle through hole is a hydrogen outlet. The cathode current collector 11 is made of a stainless steel wire mesh, one surface of the stainless steel wire mesh is smooth, and a middle through hole is used as a hydrogen outlet. The C-shaped slip ring combined seal inner ring 7 and the C-shaped slip ring combined seal outer ring 12 are both composed of a high-pressure-resistant O-shaped seal ring 19 and a PTFE framework 20, have a self-tightening sealing effect, can bear 0-50MPa high pressure, and are small in abrasion and long in service life of the high-pressure-resistant O-shaped seal ring 19. The supporting inner ring 8 provides an internal supporting function, and the C-shaped slip ring combined sealing inner ring 7 is prevented from being damaged by extrusion when the system is started.
Further, the pressure-bearing structure comprises: the metal upper end plate 4, the insulating end cover 5, the insulating lining base 17 and the metal outer frame 18 form a pressure-bearing structure, water enters at normal pressure through the pressure-bearing structure, hydrogen is produced at high pressure, and the metal outer frame is a main pressure-bearing structure, and the thickness of the metal outer frame can be adjusted to bear the pressure of 0-35MPa or even higher inside.
The power connection structure comprises: the positive electrode electricity-connecting plate 6 and the bottom electricity-connecting terminal 15 are respectively connected with the positive electrode and the negative electrode of the power supply.
The sealing structure comprises: the C-shaped slip ring combination seal outer ring 12, the membrane electrode 10 and the bipolar plate 13 form hydrogen high-pressure seal outside the cathode current collector 11. The C-shaped slip ring combined sealing inner ring 7, the supporting inner ring 8, the membrane electrode 10 and the bipolar plate 13 form hydrogen high-pressure sealing on the inner side of the anode current collector 9.
The runner structure is formed as follows: the insulating lining base 17 and the bipolar plate 13 form a water inlet and outlet flow passage structure. The anode current collector 9, the C-shaped slip ring combined sealing inner ring 7, the supporting inner ring 8, the membrane electrode 10, the cathode current collector 11 and the hydrogen discharge hole 21 at the center of the bipolar plate 13 form a hydrogen flow channel structure.
Specifically, as shown in fig. 1, a bolt 3 penetrates through a metal upper end plate 4, an insulating end cover 5 and a metal outer frame 18, and is positioned and fastened by a locknut 1 and a disc spring 2 to provide sealing pressing force of the electrolytic cell, the whole electrolytic cell device is circular, water is fed at normal pressure, and hydrogen is produced at high pressure; as shown in fig. 4 and 6, the normal pressure water flows in from the water inlet 23 of the metal upper end plate 4, passes through the water inlet flow channel structure formed by the combination of the insulating lining base 17 and the bipolar plate 13, enters the anode current collector 9 to perform electrochemical reaction, passes through the water outlet flow channel structure formed by the combination of the insulating lining base 17 and the bipolar plate 13, and flows out from the water inlet 24 of the metal upper end plate 4. The normal pressure water electrochemically reacts in the anode current collector 9 to generate oxygen, the cathode current collector 11 generates hydrogen, the oxygen and the water flow pass through the water outlet flow channel structure together and are discharged from the water inlet 24 of the metal upper end plate 4, and the hydrogen is discharged from the hydrogen outlet of the insulating end cover 5 through the hydrogen flow channel structure. A single electrolytic tank is formed between the two bipolar plates 13, the anode current collector 9 and the cathode current collector 11 are isolated by a membrane electrode 10, the outer circular surface of the anode current collector 9 is connected with a water inlet and outlet flow passage structure, the inner circular surface is sealed at high pressure, the outer circular surface of the cathode current collector 11 is sealed at high pressure, and the inner circular surface is connected with a hydrogen flow passage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A high-pressure water electrolytic tank comprises a metal outer frame (18), and is characterized in that an insulating lining base (17) is arranged on the inner side of the metal outer frame (18), an anode electricity-connecting plate (6) is arranged at the top end of the insulating lining base (17), a cathode electricity-connecting plate (14) is arranged at the bottom end of the insulating lining base (17), an electrolytic tank (25) is arranged between the anode electricity-connecting plate (6) and the cathode electricity-connecting plate (14), the electrolytic tank (25) is formed by stacking a plurality of bipolar plates (13), an anode current collector (9) and a cathode current collector (11) are arranged between every two bipolar plates (13), the anode current collector (9) is arranged towards one side of the anode electricity-connecting plate (6), the cathode current collector (11) is arranged towards one side of the cathode electricity-connecting plate (14), and a membrane electrode (10) is arranged between the anode current collector (9) and the cathode current collector (11), the inner side of the anode current collector (9) is provided with a C-shaped slip ring combined sealing inner ring (7), the outer side of the cathode current collector (11) is provided with a C-shaped slip ring combined sealing outer ring (12), the inner side of the C-shaped slip ring combined sealing inner ring (7) is provided with a metal support inner ring (8), the centers of the bipolar plate (13), the anode current collector (9), the membrane electrode (10), the cathode current collector (11) and the anode power plate (6) are all positioned on the same vertical axis, the centers of the bipolar plate (13), the anode current collector (9), the membrane electrode (10), the cathode current collector (11) and the anode power plate (6) are all provided with hydrogen discharge holes (21), gaps exist between two ends of the electrolytic cell (25) and the insulating lining base (17), and water flow channels (26) are formed by the gaps and the inner area of the bipolar plate (13), one end of the water flow channel (26) is connected with a water inlet (23), the other end of the water flow channel (26) is connected with a water outlet (24), water enters the inner area of the bipolar plate (13) through the water inlet (23) end of the water flow channel (26), and after the water reacts through the bipolar plate (13), the water flows out from the water outlet (24) end of the water flow channel (26).
2. The high-pressure water electrolyzer of claim 1, characterized in that the C-shaped slip ring combined seal outer ring (12) and the C-shaped slip ring combined seal inner ring (7) both adopt a C-shaped slip ring combined seal structure (22), the C-shaped slip ring combined seal structure (22) is composed of a high-pressure resistant O-shaped seal ring (19) and a PTFE framework (20), the high-pressure resistant O-shaped seal ring (19) is buckled on the PTFE framework (20), and the C-shaped slip ring combined seal structure (22) is connected with the bipolar plate (13) through the high-pressure resistant O-shaped seal ring (19).
3. A high-pressure water electrolyser as claimed in claim 1, characterized in that said metal casing (18) is provided with a metal top plate (4) on top, and an insulating end cap (5) is provided between said metal top plate (4) and said metal casing (18).
4. A high pressure water electrolyser as claimed in claim 3, characterized in that said metallic upper end plate (4) and insulating end caps (5) are fixedly connected to the metallic outer frame (18) by means of bolts (3).
5. A high-pressure water electrolyzer in accordance with claim 4, characterized in that the water inlet (23) and the water outlet (24) are located on both sides of the surface of the metal top end plate (4) and the insulating end cover (5), the hydrogen outlet hole (21) is located in the center of the surface of the metal top end plate (4) and the insulating end cover (5), the insulating end cover (5) is buckled with the positive electrode connecting plate (6), and the node of the positive electrode connecting plate (6) extends outwards through the insulating end cover (5).
6. A high pressure water electrolyser as claimed in claim 4, characterized in that the outside of said bolt (3) is provided with a locknut (1), and a disc spring (2) is arranged between said bolt (3) and the metal upper end plate (4).
7. A high pressure water electrolyser as claimed in claim 4, characterized in that the negative electrode contact plate (14) is provided at its bottom with a bottom electrical terminal (15), said bottom electrical terminal (15) extending outwardly through the metal frame (18).
8. A high pressure water electrolyser as claimed in claim 7, characterized in that an elastic gasket (16) is provided between said bottom electrical terminal (15) and the insulating lining base (17).
9. A high pressure water electrolyser as claimed in any of claims 1-8 wherein said entire high pressure water electrolyser is of circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538075.3U CN210215563U (en) | 2019-04-19 | 2019-04-19 | High-pressure water electrolytic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538075.3U CN210215563U (en) | 2019-04-19 | 2019-04-19 | High-pressure water electrolytic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210215563U true CN210215563U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920538075.3U Expired - Fee Related CN210215563U (en) | 2019-04-19 | 2019-04-19 | High-pressure water electrolytic tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN210215563U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898094A (en) * | 2019-04-19 | 2019-06-18 | 吕志超 | A kind of high-pressure water electrolysis slot |
| CN113684492A (en) * | 2021-07-26 | 2021-11-23 | 石家庄锐氢科技有限公司 | Plate-frame type superposable water electrolysis hydrogen production PEM electrolysis device |
| WO2023062081A3 (en) * | 2021-10-14 | 2023-07-06 | Igas Energy Gmbh | Frame for pem electrolysis cells and pem electrolysis cell stack for generating high-pressure hydrogen by means of differential pressure electrolysis |
| WO2023062088A3 (en) * | 2021-10-14 | 2023-07-20 | Igas Energy Gmbh | Frame for electrochemical cells and stack-type devices |
-
2019
- 2019-04-19 CN CN201920538075.3U patent/CN210215563U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898094A (en) * | 2019-04-19 | 2019-06-18 | 吕志超 | A kind of high-pressure water electrolysis slot |
| CN113684492A (en) * | 2021-07-26 | 2021-11-23 | 石家庄锐氢科技有限公司 | Plate-frame type superposable water electrolysis hydrogen production PEM electrolysis device |
| WO2023062081A3 (en) * | 2021-10-14 | 2023-07-06 | Igas Energy Gmbh | Frame for pem electrolysis cells and pem electrolysis cell stack for generating high-pressure hydrogen by means of differential pressure electrolysis |
| WO2023062088A3 (en) * | 2021-10-14 | 2023-07-20 | Igas Energy Gmbh | Frame for electrochemical cells and stack-type devices |
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