CN212077161U - High-pressure water electrolyzer - Google Patents

High-pressure water electrolyzer Download PDF

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Publication number
CN212077161U
CN212077161U CN202020496444.XU CN202020496444U CN212077161U CN 212077161 U CN212077161 U CN 212077161U CN 202020496444 U CN202020496444 U CN 202020496444U CN 212077161 U CN212077161 U CN 212077161U
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anode
cathode
elastic sealing
end cover
sealing gasket
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Chinese (zh)
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范钦柏
张华农
陈宏�
高鹏然
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Shenzhen Hydrogen Fuel Cell Co ltd
Shenzhen Center Power Tech Co Ltd
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Shenzhen Hydrogen Fuel Cell Co ltd
Shenzhen Center Power Tech Co Ltd
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Abstract

The utility model relates to a high-pressure water electrolyzer, belonging to the technical field of electrolyzers. The high-pressure water electrolyzer comprises a sleeve body, an upper end cover, a lower end cover, a first elastic sealing gasket, a second elastic sealing gasket, an anode connecting terminal and a cathode connecting terminal; a membrane electrode assembly and a bipolar plate are arranged between the anode connecting terminal and the cathode connecting terminal; sealing rings are arranged between the anode connecting terminal and the membrane electrode assembly, between the cathode connecting terminal and the membrane electrode assembly and between the bipolar plate and the membrane electrode assembly; the anode connecting terminal, the cathode connecting terminal and the bipolar plate are all in a hexagonal structure; the upper end cover, the lower end cover, the first elastic sealing gasket, the second elastic sealing gasket and the membrane electrode assembly are of circular structures with the same size as the hexagonal excircle. The high-pressure water electrolyzer of the utility model has the advantages of small pressure drop, good structural stability, long service life and wide application prospect.

Description

High-pressure water electrolyzer
Technical Field
The utility model belongs to the technical field of the electrolysis ware, especially, relate to a high pressure water electrolysis ware.
Background
With the development of new energy, new energy automobiles have entered the lives of people, and have gradually become targets for the development of various manufacturers due to the zero emission characteristic. The new energy automobile generates current capable of driving the engine through electrolysis and reaction of hydrogen and oxygen in chemical electrolyte respectively, wherein the reacted oxygen can be obtained from air, and the hydrogen needs to be obtained through a hydrogen generator.
At present, the most common hydrogen generator is a water electrolyzer, and hydrogen is obtained from the water electrolyzer by the principle of generating hydrogen and oxygen by electrolysis of water, and then is stored in a high-pressure gas storage bottle for hydrogenation after being dried and compressed. The high-pressure electrolyzer developed recently is expected to replace the normal-pressure electrolyzer, and particularly has no mechanical compressor, so that the electrolytic hydrogenation is simple and feasible. In a high-pressure electrolyzer, the bipolar plate is used as an important element of the high-pressure water electrolyzer, and the structure of the bipolar plate is directly related to important factors such as the stability, the hydrogen production efficiency and the like of the electrolyzer. Most of high-pressure water electrolyzers on the market are cylindrical structures, the cylindrical structures are favorable for high pressure resistance of the electrolyzers, bipolar plates of the electrolyzers are also circular structures, flow pressure drop of water in flow channels is considered for the bipolar plates of the circular structures, and the pressure drop of the bipolar plates is certainly increased due to the fact that the circular bipolar plates have radians, and therefore structural stability of the electrolyzers is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure water electrolyzer for on-the-spot hydrogenation realizes the direct coupling from electricity to hydrogen storage tank, with solve among the prior art high pressure water electrolyzer because the inner structure pressure drop is big, gas and water distribution are inhomogeneous, lead to electrolyzer poor stability and short-lived scheduling problem.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a high-pressure water electrolyzer comprises a sleeve body, an upper end cover arranged at one end of the sleeve body, a first elastic sealing gasket arranged at the inner side of the upper end cover, an anode connecting terminal arranged at the inner side of the first elastic sealing gasket, a lower end cover arranged at the other end of the sleeve body, a second elastic sealing gasket arranged at the inner side of the lower end cover, a cathode connecting terminal arranged at the inner side of the second elastic sealing gasket, a plurality of membrane electrode assemblies and a plurality of bipolar plates arranged between the anode connecting terminal and the cathode connecting terminal, wherein the bipolar plates are arranged between the adjacent membrane electrode assemblies; the anode connecting terminal and the cathode connecting terminal are both arranged adjacent to the membrane electrode assembly;
sealing rings are arranged between the anode connecting terminal and the membrane electrode assembly, between the cathode connecting terminal and the membrane electrode assembly and between the bipolar plate and the membrane electrode assembly;
the anode connecting terminal, the cathode connecting terminal and the bipolar plate are all in a regular hexagon structure, and the upper end cover, the lower end cover, the first elastic sealing gasket, the second elastic sealing gasket and the membrane electrode assembly are in a circular structure with the same size as the excircle of the regular hexagon structure; the diameter of the sealing ring is equal to the diameter of the inner circle of the regular hexagon structure.
Further, the circular structure is provided with a plurality of screw holes corresponding to circumference, the screw holes set up in the circular structure with the outer side of the corresponding inscription regular hexagon of regular hexagon structure.
Further, be provided with the screw on the screw hole, upper end cover, lower extreme cover, first elastic sealing pad, second elastic sealing pad and membrane electrode assembly pass through screw connection is fixed. Set up like this, can strengthen the stability of structure, the screw hole set up in the outside of inscription regular hexagon, consequently the screw not with positive pole binding post, negative pole binding post and bipolar plate contact. The space between the anode terminal and the membrane electrode assembly, the space between the cathode terminal and the membrane electrode assembly, and the space between the bipolar plate and the membrane electrode assembly are sealed by the sealing rings, so that a sealed space for supplying water to the anode plate and the cathode plate can be formed, and the leakage of water and gas is effectively prevented.
The anode connecting terminal, the cathode connecting terminal and the bipolar plate are arranged in a regular hexagon structure, so that the anode connecting terminal, the cathode connecting terminal and the bipolar plate have the maximum reaction area in the round structure, gas and liquid can be uniformly distributed, the pressure drop of the high-pressure water electrolyzer is reduced, and the stability of the structure is enhanced.
Furthermore, the end corners of the regular hexagon structure are arranged into a round corner structure tangent to the inner wall of the sleeve body, so that the stability of the whole structure can be further enhanced.
Further, the surface of the bipolar plate is provided with an oxide coating, a noble metal coating, a nitride layer or the like for enhancing the corrosion resistance of the bipolar plate.
Furthermore, the upper end cover, the lower end cover, the first elastic sealing gasket, the second elastic sealing gasket, the anode wiring terminal, the cathode wiring terminal, the membrane electrode assembly and the bipolar plate are respectively and correspondingly provided with a first through hole and a second through hole for water inlet, a third through hole for water outlet and generated oxygen output and a fourth through hole for water outlet and generated hydrogen output.
Furthermore, an anode binding post is arranged at the geometric center of one side surface of the anode binding post close to the upper end cover; the geometric centers of the upper end cover and the first elastic sealing gasket are provided with fifth through holes matched with the anode wiring terminal, and the anode wiring terminal penetrates through the fifth through holes to be connected with an external power line.
Furthermore, a cathode binding post is arranged at the geometric center of one side surface of the cathode binding post close to the lower end cover; and the lower end cover and the geometric center of the second elastic sealing gasket are both provided with a sixth through hole matched with the cathode wiring terminal, and the cathode wiring terminal penetrates through the sixth through hole to be connected with an external power line.
Further, the membrane electrode assembly comprises a diaphragm, an anode plate arranged on one side of the diaphragm close to the anode wiring terminal and a cathode plate arranged on one side of the diaphragm close to the cathode wiring terminal.
Furthermore, a sealed interval formed between the anode terminal and the diaphragm nearest to the anode terminal and a sealed interval formed between the bipolar plate and the diaphragm nearest to the bipolar plate are both anode chambers, and an anode plate is arranged between the bipolar plate forming the anode chamber and the diaphragm; and first guide pipes are arranged in the second through hole and the fourth through hole of the anode chamber. The first conduit is used for isolating the water flow and the generated oxygen in the anode chamber from the second through hole and the fourth through hole.
Furthermore, a sealed interval formed between the cathode terminal and the membrane nearest to the cathode terminal and a sealed interval formed between the bipolar plate and the membrane nearest to the bipolar plate are cathode chambers, and a cathode plate is arranged between the bipolar plate forming the cathode chambers and the membrane; and second guide pipes are arranged in the first through hole and the third through hole of the cathode chamber. The second conduit is used for isolating the water flow in the cathode chamber and the generated hydrogen from the first through hole and the third through hole.
Further, the outer sides of the first guide pipe and the second guide pipe are provided with elastic sealing rings. The first guide pipe is in sealing fit with the second through hole and the fourth through hole in the anode chamber through the elastic sealing ring, and the second guide pipe is in sealing fit with the first through hole and the third through hole in the cathode chamber. The arrangement enables the first conduit to be completely matched with the second through hole and the fourth through hole in a sealing manner, and prevents hydrogen and oxygen in water from being mixed together.
The water flow flows in from the first through hole of the upper end cover, flows through the anode chamber for electrolysis to generate oxygen, and the generated oxygen and the water flow out from the third through hole of the lower end cover; the water flow flows in from the second through hole of the upper end cover, flows through the cathode chamber to be electrolyzed to generate hydrogen, and the generated hydrogen and the water flow out from the fourth through hole of the lower end cover; the outside of the third through hole and the outside of the fourth through hole are respectively connected with a gas-liquid separator, and pure hydrogen and pure oxygen are obtained after separation of the gas-liquid separator.
Furthermore, the outer sides of the anode wiring terminal and the cathode wiring terminal are provided with insulating sheaths, so that electric leakage between the anode wiring terminal and the upper end cover and between the cathode wiring terminal and the lower end cover is prevented, and the use safety is improved.
Furthermore, the first elastic sealing gasket and the second elastic sealing gasket are both insulating rubber sealing gaskets, so that current is isolated, and an expansion space is provided for the electrolyzer under the condition of pressure.
The utility model provides an among the technical scheme, following beneficial effect has:
1. the anode connecting terminal, the cathode connecting terminal and the bipolar plate are all designed into a hexagonal structure, so that the anode connecting terminal, the cathode connecting terminal and the bipolar plate have the maximum reaction area in the circular structure, gas and liquid can be uniformly distributed, the pressure drop of the high-pressure water electrolyzer is reduced, and the stability of the structure is enhanced.
2. The end angles of the hexagonal structures of the anode connecting terminal, the cathode connecting terminal and the bipolar plate are arranged into circular angle structures tangent to the inner wall of the sleeve body, so that the outer circular angles of the anode connecting terminal, the cathode connecting terminal and the bipolar plate are completely attached to the inner wall of the sleeve body, and the stability of the whole structure is further enhanced.
3. The surface of the bipolar plate is provided with an oxide coating, a noble metal coating, a nitride layer and the like, so that the bipolar plate is not easy to be wetted by electrolyte and the loss of the electrolyte can be avoided; and the bipolar plate is coated, so that the corrosion resistance of the bipolar plate is enhanced, and the service life of the high-pressure water electrolyzer can be prolonged.
Drawings
Fig. 1 is an exploded view of a high-pressure water electrolyzer according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In other embodiments, a plurality of membrane electrode assemblies can be arranged according to actual needs to increase the reaction area of the cathode and the anode, so as to ensure the production of hydrogen and oxygen.
As shown in fig. 1, the present invention provides a high pressure water electrolyzer, which comprises a sleeve body 10, an upper end cap 20 disposed at one end of the sleeve body 10, a first elastic sealing gasket 40 disposed at the inner side of the upper end cap 20, an anode connecting terminal 60 disposed at the inner side of the first elastic sealing gasket 40, a lower end cap 30 disposed at the other end of the sleeve body 10, a second elastic sealing gasket 50 disposed at the inner side of the lower end cap 30, a cathode connecting terminal 70 disposed at the inner side of the second elastic sealing gasket 50, and a plurality of membrane electrode assemblies 90 and a plurality of bipolar plates 100 disposed between the anode connecting terminal 60 and the cathode connecting terminal 70, wherein the bipolar plates 100 are disposed between the adjacent membrane electrode assemblies 90, and the anode connecting terminal 60 and the cathode connecting terminal 70 are both disposed adjacent to the membrane electrode assemblies;
sealing rings 80 are arranged between the anode terminal 60 and the membrane electrode assembly 90, between the cathode terminal 70 and the membrane electrode assembly 90, and between the bipolar plate 100 and the membrane electrode assembly 90;
the anode connecting terminal 60, the cathode connecting terminal 70 and the bipolar plate 100 are all in a regular hexagon structure, and the upper end cover 20, the lower end cover 30, the first elastic sealing gasket 40, the second elastic sealing gasket 50 and the membrane electrode assembly 90 are in a circular structure with the same size as the outer circle of the regular hexagon structure; the diameter of the seal ring 80 is equal to the diameter of the inner circle of the regular hexagonal structure.
As a preferred embodiment, a plurality of screw holes 1000 are circumferentially arranged on the circular structure, and the screw holes 1000 are arranged on the outer sides of the inscribed regular hexagon of the circular structure corresponding to the regular hexagon.
In a preferred embodiment, the screw holes 1000 are provided with screws (not shown), and the upper end cap 20, the lower end cap 30, the first elastic sealing gasket 40, the second elastic sealing gasket 50, and the membrane electrode assembly 90 are fixedly connected by the screws, so that the structural stability can be enhanced. Screw holes 1000 are provided at the outer sides of the inscribed regular hexagon, so that the screws do not contact the anode terminal 60, the cathode terminal 70, and the bipolar plate 100. The space between the anode terminal 60 and the membrane electrode assembly 90 and the space between the cathode terminal 70 and the membrane electrode assembly 90 are sealed by the seal ring 80, so that a sealed space for supplying water to the anode plate and the cathode plate can be formed, and leakage of water and gas can be effectively prevented.
The anode connecting terminal 60, the cathode connecting terminal 70 and the bipolar plate 100 are arranged in a regular hexagon structure, so that the circular structure has the largest reaction area, gas and liquid are uniformly distributed, the pressure drop of the high-pressure water electrolyzer is reduced, and the structural stability is enhanced.
As a preferred embodiment, the corners of the regular hexagon structure are rounded structures arranged to be tangent to the inner wall of the sleeve 10, so as to further enhance the stability of the overall structure.
As a preferred embodiment, the surface of the bipolar plate 100 is provided with an oxide coating, a noble metal coating, a nitride layer, or the like, for enhancing the corrosion resistance of the bipolar plate.
In the present embodiment, the upper end cap 20, the lower end cap 30, the first elastic sealing gasket 40, the second elastic sealing gasket 50, the anode terminal 60, the cathode terminal 70, the membrane electrode assembly 90, and the bipolar plate 100 are respectively and correspondingly provided with a first through hole 1 and a second through hole 2 for water inlet, a third through hole 3 for water outlet and generated oxygen output, and a fourth through hole 4 for water outlet and generated hydrogen output.
In a preferred embodiment, the anode terminal 60 is provided with an anode post 61 near a geometric center of one side of the upper cap 20; the geometric centers of the upper end cover 20 and the first elastic sealing gasket 40 are both provided with a fifth through hole 5 matched with the anode terminal 61, and the anode terminal 61 penetrates through the fifth through hole 5 to be connected with an external power supply line (not shown in the figure).
In a preferred embodiment, the cathode terminal 70 is provided with a cathode terminal 71 at a geometric center near one side of the lower end cap 30; the geometric centers of the lower end cover 30 and the second elastic sealing gasket 50 are both provided with a sixth through hole 6 matched with the cathode terminal 71, and the cathode terminal 71 passes through the sixth through hole 6 to be connected with an external power supply line (not shown in the figure).
Specifically, the membrane electrode assembly 90 includes a separator 91, an anode plate 92 disposed on a side of the separator 91 close to the anode terminal 20, and a cathode plate 93 disposed on a side of the separator 91 close to the cathode terminal 30.
In a preferred embodiment, a sealed region formed between the anode terminal 60 and the membrane 91 closest to the anode terminal 60 and a sealed region formed between the bipolar plate 100 and the membrane 91 closest to the bipolar plate 100 are both an anode chamber (not shown), and an anode plate 92 is disposed between the bipolar plate 100 and the membrane 91 forming the anode chamber; first conduits 210 are arranged in the second through hole 2 and the fourth through hole 4 of the anode chamber 200. The first conduit 210 is used to isolate the water flow and the generated oxygen in the anode chamber 200 from the second through-hole 2 and the fourth through-hole 4.
In a preferred embodiment, a sealed space formed between the cathode terminal 70 and the membrane 91 closest to the cathode terminal 70 and a sealed space formed between the bipolar plate 100 and the membrane 91 closest to the bipolar plate 100 are both cathode chambers (not shown), and a cathode plate 93 is disposed between the bipolar plate 100 and the membrane 91 forming the cathode chambers; second conduits 310 are disposed in the first through hole 1 and the third through hole 3 of the cathode chamber 300. The second conduit 310 is used to isolate the water flow and the generated hydrogen gas in the cathode chamber 300 from the first through hole 1 and the third through hole 3.
In a preferred embodiment, the first conduit 210 and the second conduit 310 are provided at the outer sides thereof with elastic sealing rings (not shown) which are hermetically wrapped, and the elastic sealing rings enable the first conduit 210 to be in sealing fit with the second through hole 2 and the fourth through hole 4 of the anode chamber 200, and the second conduit 310 to be in sealing fit with the first through hole 1 and the third through hole 3 of the cathode chamber 300. The arrangement is such that the first conduit 210 is in complete sealing fit with the second through hole 2 and the fourth through hole 4, and the second conduit 310 is in complete sealing fit with the first through hole 1 and the third through hole 3, so as to prevent the hydrogen and the oxygen in the water from mixing together.
In a preferred embodiment, the anode terminal 61 and the cathode terminal 71 are wrapped with an insulating sheath (not shown). The leakage of electricity between the anode terminal 61 and the upper end cap 20 and between the cathode terminal 71 and the lower end cap 30 is prevented.
Further, the first elastic sealing gasket 40 and the second elastic sealing gasket 50 are both insulating rubber sealing gaskets, which not only isolate current, but also provide an expansion space for the electrolyzer under a compressed condition.
In this embodiment, the bipolar plate 100 may be a graphite bipolar plate or a metal bipolar plate, wherein the metal bipolar plate may be a nickel-based material, a titanium-based material, a stainless steel material, or the like; the sealing ring, the sealing gasket and other insulating sealing structures are made of one or a combination of a plurality of polymer materials, silica gel materials and rubber materials.
This embodiment requires that each structure be kept flat during the manufacturing process to improve its corrosion resistance and uniformity of liquid flow.
The water flow flows in from the first through hole 1 of the upper end cover 20, flows through the anode chamber 200 to generate oxygen through electrolysis, and the generated oxygen flows out from the third through hole 3 of the lower end cover 30 together with the water flow; the water flows in from the second through hole 2 of the upper end cover 20, and flows through the cathode chamber 300 to be electrolyzed to generate hydrogen, and the generated hydrogen flows out from the fourth through hole 4 of the lower end cover 30 together with the water flow; the outsides of the third through hole 3 and the fourth through hole 4 are respectively connected with a gas-liquid separator (marked in the figure), and pure hydrogen and pure oxygen are obtained after separation by the gas-liquid separator.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. A high pressure water electrolyzer characterized by: the bipolar plate comprises a sleeve body, an upper end cover arranged at one end of the sleeve body, a first elastic sealing gasket arranged at the inner side of the upper end cover, an anode connecting terminal arranged at the inner side of the first elastic sealing gasket, a lower end cover arranged at the other end of the sleeve body, a second elastic sealing gasket arranged at the inner side of the lower end cover, a cathode connecting terminal arranged at the inner side of the second elastic sealing gasket, a plurality of membrane electrode assemblies and a plurality of bipolar plates arranged between the anode connecting terminal and the cathode connecting terminal, wherein the bipolar plates are arranged between the adjacent membrane electrode assemblies; the anode connecting terminal and the cathode connecting terminal are both arranged adjacent to the membrane electrode assembly;
sealing rings are arranged between the anode connecting terminal and the membrane electrode assembly, between the cathode connecting terminal and the membrane electrode assembly and between the bipolar plate and the membrane electrode assembly;
the anode connecting terminal, the cathode connecting terminal and the bipolar plate are all in a regular hexagon structure, and the upper end cover, the lower end cover, the first elastic sealing gasket, the second elastic sealing gasket and the membrane electrode assembly are in a circular structure with the same size as the excircle of the regular hexagon structure; the diameter of the sealing ring is equal to the diameter of the inner circle of the regular hexagon structure.
2. The high pressure water electrolyzer of claim 1 characterized in that: a plurality of screw holes are arranged on the circular structure in a corresponding circumferential direction, and the screw holes are arranged on the outer sides of the circular structure and the inscribed regular hexagon corresponding to the regular hexagon; the membrane electrode assembly is characterized in that screws are arranged on the screw holes, and the upper end cover, the lower end cover, the first elastic sealing gasket, the second elastic sealing gasket and the membrane electrode assembly are fixedly connected through the screws.
3. The high pressure water electrolyzer of claim 2 characterized in that: the end angle of the regular hexagon structure is a circular angle structure tangent to the inner wall of the sleeve body.
4. The high pressure water electrolyzer of claim 1 characterized in that: the surface of the bipolar plate is provided with an oxide coating, a noble metal coating or a nitride layer.
5. The high pressure water electrolyzer of claim 1 characterized in that: the upper end cover, the lower end cover, the first elastic sealing gasket, the second elastic sealing gasket, the anode wiring terminal, the cathode wiring terminal, the membrane electrode assembly and the bipolar plate are respectively and correspondingly provided with a first through hole, a second through hole, a third through hole and a fourth through hole.
6. The high pressure water electrolyzer of claim 5 characterized in that: an anode binding post is arranged at the geometric center of one side surface of the anode binding post close to the upper end cover; the geometric centers of the upper end cover and the first elastic sealing gasket are provided with fifth through holes matched with the anode wiring terminal, and the anode wiring terminal penetrates through the fifth through holes to be connected with an external power line; the cathode wiring terminal is provided with a cathode wiring terminal at the geometric center of one side surface close to the lower end cover; the geometric centers of the lower end cover and the second elastic sealing gasket are provided with sixth through holes matched with the cathode wiring terminal, and the cathode wiring terminal penetrates through the sixth through holes to be connected with an external power line; and insulating sheaths are arranged on the outer sides of the anode binding post and the cathode binding post.
7. The high pressure water electrolyzer of claim 6 characterized in that: the membrane electrode assembly comprises a diaphragm, an anode plate and a cathode plate, wherein the anode plate is arranged on one side, close to the anode wiring terminal, of the diaphragm, and the cathode plate is arranged on one side, close to the cathode wiring terminal, of the diaphragm.
8. The high pressure water electrolyzer of claim 7 characterized in that: a sealed interval formed between the anode terminal and the diaphragm nearest to the anode terminal and a sealed interval formed between the bipolar plate and the diaphragm nearest to the bipolar plate are both anode chambers, and an anode plate is arranged between the bipolar plate forming the anode chamber and the diaphragm; and first guide pipes are arranged in the second through hole and the fourth through hole of the anode chamber.
9. The high pressure water electrolyzer of claim 8 characterized in that: a sealed interval formed between the cathode terminal and the membrane nearest to the cathode terminal and a sealed interval formed between the bipolar plate and the membrane nearest to the bipolar plate are cathode chambers, and a cathode plate is arranged between the bipolar plate forming the cathode chambers and the membrane; second guide pipes are arranged in the first through hole and the third through hole of the cathode chamber; and elastic sealing rings are arranged on the outer sides of the first guide pipe and the second guide pipe.
10. The high pressure water electrolyzer of claim 1 characterized in that: the first elastic sealing gasket and the second elastic sealing gasket are both insulating rubber sealing gaskets.
CN202020496444.XU 2020-04-07 2020-04-07 High-pressure water electrolyzer Active CN212077161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020496444.XU CN212077161U (en) 2020-04-07 2020-04-07 High-pressure water electrolyzer

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Application Number Priority Date Filing Date Title
CN202020496444.XU CN212077161U (en) 2020-04-07 2020-04-07 High-pressure water electrolyzer

Publications (1)

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CN212077161U true CN212077161U (en) 2020-12-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114672833A (en) * 2022-04-20 2022-06-28 广东卡沃罗氢科技有限公司 Anti-blocking electrolytic tank and hydrogen machine comprising same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114672833A (en) * 2022-04-20 2022-06-28 广东卡沃罗氢科技有限公司 Anti-blocking electrolytic tank and hydrogen machine comprising same
CN114672833B (en) * 2022-04-20 2024-04-02 广东卡沃罗氢科技有限公司 Anti-blocking electrolytic tank and hydrogen machine comprising same

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