CN220149680U - Exchange membrane for PEM water electrolysis hydrogen production - Google Patents
Exchange membrane for PEM water electrolysis hydrogen production Download PDFInfo
- Publication number
- CN220149680U CN220149680U CN202321618662.6U CN202321618662U CN220149680U CN 220149680 U CN220149680 U CN 220149680U CN 202321618662 U CN202321618662 U CN 202321618662U CN 220149680 U CN220149680 U CN 220149680U
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- CN
- China
- Prior art keywords
- connecting rod
- exchange membrane
- tube
- fixedly connected
- hydrogen production
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- 239000012528 membrane Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims description 34
- 239000003054 catalyst Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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 an exchange membrane for PEM water electrolysis hydrogen production, which relates to the technical field of exchange membranes for PEM water electrolysis hydrogen production and comprises a top radiating pipe, wherein a middle connecting pipe is fixedly connected to the bottom of the top radiating pipe, a bottom radiating pipe is fixedly connected to the bottom of the middle connecting pipe, a left top connecting rod is fixedly connected to the rear part of one end of the top radiating pipe, and a right top connecting rod is fixedly connected to the rear part of the other end of the top radiating pipe.
Description
Technical Field
The utility model relates to the technical field of exchange membranes for PEM water electrolysis hydrogen production, in particular to an exchange membrane for PEM water electrolysis hydrogen production.
Background
The proton exchange membrane is also called proton exchange membrane, which is used as a core component in a proton exchange membrane fuel cell, and the membranes used in other chemical power sources of the PEM exchange membrane are different, so that when the proton exchange membrane fuel cell works, high temperature is easily generated around the proton exchange membrane fuel cell due to the influence of external environment and the proton exchange membrane, when the proton exchange membrane is in a high-temperature state for a long time, the working life of the proton exchange membrane is influenced, the proton exchange efficiency is reduced, and the proton exchange membrane for the PEM water electrolysis hydrogen production is needed.
The utility model discloses a high temperature resistant PEM membrane provided by Chinese patent publication No. CN 215527766U, which comprises an exchange membrane for exchanging protons, wherein catalysts for accelerating proton exchange are distributed on two sides of the exchange membrane, a plurality of cooling disks for absorbing generated heat are arranged on one side wall of the exchange membrane, gaps exist between the cooling disks and the exchange membrane, insulating coatings for preventing electrons from being absorbed by the cooling disks are sprayed on the cooling disks, four support columns are fixedly connected to one side of the cooling disks close to the exchange membrane, the four support columns are distributed at equal intervals in a circumference shape, the four support columns are fixedly connected with the exchange membrane, cavities are arranged in the cooling disks, cooling liquid is filled in the cavities, and cooling pipes communicated with the cavities are fixedly connected to the side walls of the cooling disks. The utility model can normally carry out proton exchange in a high-temperature environment, prolongs the service life and work of the proton exchange membrane, but the cooling device occupies a larger area on the surface of the proton exchange membrane, so that the proton exchange of the exchange membrane is blocked, and the proton exchange rate is influenced.
Disclosure of Invention
The utility model provides an exchange membrane for PEM water electrolysis hydrogen production, which solves the technical problem of the exchange membrane for PEM water electrolysis hydrogen production.
In order to solve the technical problems, the exchange membrane for the PEM water electrolysis hydrogen production comprises a top radiating pipe, wherein a middle connecting pipe is fixedly connected to the bottom of the top radiating pipe, a bottom radiating pipe is fixedly connected to the bottom of the middle connecting pipe, a left top connecting rod is fixedly connected to the rear part of one end of the top radiating pipe, a right top connecting rod is fixedly connected to the rear part of the other end of the top radiating pipe, a right bottom connecting rod is fixedly connected to the rear part of the other end of the bottom radiating pipe, exchange membrane bodies are fixedly connected to the rear parts of the left top connecting rod and the left bottom connecting rod, exchange membrane bodies are fixedly connected to the rear parts of the right top connecting rod and the right bottom connecting rod, an auxiliary catalyst layer is covered on the rear part of the exchange membrane bodies, and a main catalyst layer is covered on the front part of the exchange membrane bodies.
Preferably, the top radiating tube is made of copper, the bottom radiating tube is made of copper, and water flows are arranged in the top radiating tube and the bottom radiating tube.
Preferably, the number of the middle connecting pipes is eight, and the eight middle connecting pipes are uniformly distributed in the middle of the top radiating pipe and the bottom radiating pipe.
Preferably, the water flows in from the top radiating pipe and the middle connecting pipe and flows out from the bottom radiating pipe.
Preferably, the thicknesses of the auxiliary catalyst layer and the main catalyst layer are 0.5mm.
Preferably, the right top connecting rod, the right bottom connecting rod, the left top connecting rod and the left bottom connecting rod are made of polyimide, and the right top connecting rod, the right bottom connecting rod, the left top connecting rod and the left bottom connecting rod are of round tubes.
Preferably, the structure of top cooling tube, middle part connecting pipe, bottom cooling tube is the pipe, top cooling tube, middle part connecting pipe, the surface coating of bottom cooling tube has silica coating, the internal surface galvanizing of top cooling tube, middle part connecting pipe, bottom cooling tube.
Compared with the related art, the exchange membrane for the PEM water electrolysis hydrogen production has the following beneficial effects:
the utility model provides an exchange membrane for PEM hydrolysis hydrogen production, which is characterized in that a right top connecting rod, a right bottom connecting rod, a left top connecting rod and a left bottom connecting rod are fixed on the side surface of an exchange membrane body, top radiating pipes are fixedly connected to the ends of the right top connecting rod and the left top connecting rod, bottom radiating pipes are fixedly connected to the ends of the right bottom connecting rod and the left bottom connecting rod, middle connecting pipes are fixed in the middle parts of the top radiating pipes and the bottom radiating pipes, water flow is injected into the middle parts of the top radiating pipes, the middle connecting pipes and the middle parts of the bottom radiating pipes, so that water flows in the pipes, heat can be taken away, the heat absorption range is large, the cooling speed is high, the covering and blocking effect on the exchange membrane body is small, the influence on proton exchange is reduced, and the problem that a cooling device limits the proton exchange rate of the exchange membrane when the exchange membrane is cooled in the past is solved.
The utility model provides an exchange membrane for PEM hydrolytic hydrogen production, which is characterized in that silicon dioxide is coated on the outer parts of a top radiating pipe, a middle connecting pipe and a bottom radiating pipe, and zinc is coated on the inner parts of the top radiating pipe, the outer parts of the middle connecting pipe and the bottom radiating pipe are not subjected to chemical reaction for exchanging protons, and the inner zinc coating can prevent the chemical reaction between a copper pipe and water, so that the service time is longer, and the problem of low service life of the traditional radiating copper pipe is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of the overall explosive structure of the present utility model.
Reference numerals in the drawings: 1. a top radiating pipe; 2. a middle connecting pipe; 3. a bottom radiating pipe; 4. a main catalyst layer; 5. an exchange membrane body; 6. a secondary catalyst layer; 7. a left bottom connecting rod; 8. a right top connecting rod; 9. a right bottom connecting rod; 10. left top connecting rod.
Description of the embodiments
The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the exchange membrane for PEM water electrolysis hydrogen production according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1-2, the utility model provides an exchange membrane for PEM water electrolysis hydrogen production, which is used for solving the technical problems, and comprises a top radiating pipe 1, wherein the bottom of the top radiating pipe 1 is fixedly connected with a middle connecting pipe 2, the bottom of the middle connecting pipe 2 is fixedly connected with a bottom radiating pipe 3, the rear part of one end of the top radiating pipe 1 is fixedly connected with a left top connecting rod 10, the rear part of the other end of the top radiating pipe 1 is fixedly connected with a right top connecting rod 8, the rear parts of the other end of the bottom radiating pipe 3 are fixedly connected with a right bottom connecting rod 9, the rear parts of the left top connecting rod 10 and the left bottom connecting rod 7 are fixedly connected with an exchange membrane body 5, the rear parts of the right top connecting rod 8 and the right bottom connecting rod 9 are fixedly connected with an exchange membrane body 5, the rear part of the exchange membrane body 5 is covered with a secondary catalyst layer 6, and the front part of the exchange membrane body 5 is covered with a primary catalyst layer 4.
Referring to fig. 1, a top radiating pipe 1 is made of copper, a bottom radiating pipe 3 is made of copper, and water flows are provided in the top radiating pipe 1 and the bottom radiating pipe 3.
Referring to fig. 1, the number of the middle connection pipes 2 is eight, and the eight middle connection pipes 2 are uniformly distributed in the middle of the top radiating pipe 1 and the bottom radiating pipe 3.
Referring to fig. 1, water flows in from the top radiating pipe 1 and the middle connecting pipe 2 and flows out from the bottom radiating pipe 3.
Referring to fig. 1, the thicknesses of the sub catalyst layer 6 and the main catalyst layer 4 are 0.5mm.
Referring to fig. 1, the right top connecting rod 8, the right bottom connecting rod 9, the left top connecting rod 10, the left bottom connecting rod 7 are made of polyimide, the right top connecting rod 8, the right bottom connecting rod 9, the left top connecting rod 10, and the left bottom connecting rod 7 are round tubes.
Referring to fig. 1, a top radiating pipe 1, a middle connecting pipe 2, and a bottom radiating pipe 3 are formed as circular pipes, the top radiating pipe 1, the middle connecting pipe 2, and the surface of the bottom radiating pipe 3 is coated with a silicon dioxide coating, and the inner surfaces of the top radiating pipe 1, the middle connecting pipe 2, and the bottom radiating pipe 3 are galvanized.
The working principle of the utility model is as follows: through be fixed with right top connecting rod 8 at the side of exchange membrane body 5, right side bottom connecting rod 9, left side top connecting rod 10, left side bottom connecting rod 7, the tip fixedly connected with top cooling tube 1 at right side top connecting rod 8 and left side top connecting rod 10, tip fixedly connected with bottom cooling tube 3 at right side bottom connecting rod 9 and left side bottom connecting rod 7, be fixed with middle part connecting tube 2 at the middle part of top cooling tube 1 and bottom cooling tube 3, at top cooling tube 1, the middle part of middle part connecting tube 2 and bottom cooling tube 3 pours into rivers into, make water flow in the pipe, can take away the heat like this, such setting makes the scope of heat absorption big, the cooling rate is fast, it blocks effectually little to exchange membrane body 5's cover, reduce the influence to proton exchange, in the past when carrying out exchange membrane cooling, the proton exchange rate restriction of cooling device to exchange membrane, at top cooling tube 1, outside at middle part connecting tube 2 and bottom cooling tube 3 is coated with silica, make inside zinc plating tube 1, outside of middle part connecting tube 2 and bottom cooling tube 3 can not take place the exchange chemical reaction to the proton, inside zinc can prevent copper pipe chemical reaction, in the time of the service life is long with the heat dissipation, and use life is long.
The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. An exchange membrane for PEM water electrolysis hydrogen production, comprising a top radiating pipe (1), characterized in that: the bottom fixedly connected with middle part connecting pipe (2) of top cooling tube (1), the bottom fixedly connected with bottom cooling tube (3) of middle part connecting pipe (2), the rear portion fixedly connected with left top connecting rod (10) of top cooling tube (1) one end, the rear portion fixedly connected with right top connecting rod (8) of top cooling tube (1) other end, the rear portion fixedly connected with right bottom connecting rod (9) of bottom cooling tube (3) other end, the rear portion fixedly connected with exchange membrane body (5) of left top connecting rod (10) and left bottom connecting rod (7), the rear portion fixedly connected with exchange membrane body (5) of right top connecting rod (8) and right bottom connecting rod (9), the rear portion of exchange membrane body (5) is covered with auxiliary catalyst layer (6), the front portion of exchange membrane body (5) is covered with main catalyst layer (4).
2. The exchange membrane for hydrogen production by water electrolysis of PEM according to claim 1, wherein the top radiating tube (1) is made of copper, the bottom radiating tube (3) is made of copper, and water flows are provided inside the top radiating tube (1) and the bottom radiating tube (3).
3. An exchange membrane for PEM water electrolysis hydrogen production according to claim 1, wherein the number of said middle connection pipes (2) is eight, and eight of said middle connection pipes (2) are uniformly distributed in the middle of the top heat dissipation pipe (1) and the bottom heat dissipation pipe (3).
4. An exchange membrane for PEM water electrolysis hydrogen production according to claim 2, wherein the water flow flows in from the top radiating tube (1) and the middle connecting tube (2) and out from the bottom radiating tube (3).
5. An exchange membrane for PEM water electrolysis hydrogen production according to claim 1, wherein the thickness of the secondary catalyst layer (6) and the primary catalyst layer (4) is 0.5mm.
6. The exchange membrane for hydrogen production by PEM water electrolysis according to claim 1, wherein the right top connecting rod (8), the right bottom connecting rod (9), the left top connecting rod (10) and the left bottom connecting rod (7) are made of polyimide, and the structures of the right top connecting rod (8), the right bottom connecting rod (9), the left top connecting rod (10) and the left bottom connecting rod (7) are round tubes.
7. The exchange membrane for hydrogen production by water electrolysis of PEM water according to claim 1, wherein the top radiating tube (1), the middle connecting tube (2) and the bottom radiating tube (3) are round tubes, the surfaces of the top radiating tube (1), the middle connecting tube (2) and the bottom radiating tube (3) are coated with silicon dioxide coating, and the inner surfaces of the top radiating tube (1), the middle connecting tube (2) and the bottom radiating tube (3) are galvanized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618662.6U CN220149680U (en) | 2023-06-26 | 2023-06-26 | Exchange membrane for PEM water electrolysis hydrogen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618662.6U CN220149680U (en) | 2023-06-26 | 2023-06-26 | Exchange membrane for PEM water electrolysis hydrogen production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149680U true CN220149680U (en) | 2023-12-08 |
Family
ID=89017347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618662.6U Active CN220149680U (en) | 2023-06-26 | 2023-06-26 | Exchange membrane for PEM water electrolysis hydrogen production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149680U (en) |
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2023
- 2023-06-26 CN CN202321618662.6U patent/CN220149680U/en active Active
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| GR01 | Patent grant |