CN220597645U - Proton exchange membrane electrolytic cell structure with waste heat utilization function - Google Patents
Proton exchange membrane electrolytic cell structure with waste heat utilization function Download PDFInfo
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- CN220597645U CN220597645U CN202321854843.9U CN202321854843U CN220597645U CN 220597645 U CN220597645 U CN 220597645U CN 202321854843 U CN202321854843 U CN 202321854843U CN 220597645 U CN220597645 U CN 220597645U
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- exchange membrane
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- 239000012528 membrane Substances 0.000 title claims abstract description 49
- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 48
- 239000001257 hydrogen Substances 0.000 claims abstract description 48
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000003197 catalytic effect Effects 0.000 claims abstract description 29
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 9
- 210000005056 cell body Anatomy 0.000 claims abstract description 3
- 238000006555 catalytic reaction Methods 0.000 claims abstract 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 4
- 210000004027 cell Anatomy 0.000 abstract description 11
- 239000007787 solid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000011232 storage material Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 150000004681 metal hydrides Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model provides a proton exchange membrane electrolytic cell structure with waste heat utilization, which comprises: the device comprises a tank body, a proton exchange membrane, an anode catalytic layer, a cathode catalytic layer, an anode porous transmission layer, a cathode porous transmission layer, a water guide mechanism, a heat transmission mechanism and a hydrogen storage bottle; the proton exchange membrane is installed in the middle in the cell body, the positive pole catalysis layer with the negative pole catalysis layer is established respectively in the both sides of proton exchange membrane, positive pole porous transport layer with negative pole porous transport layer is established respectively positive pole catalysis layer with negative pole catalysis layer one side, two sets of water guiding mechanism set up respectively positive pole porous transport layer with on the negative pole porous transport layer, heat transfer mechanism sets up on the hydrogen storage bottle, this proton exchange membrane electrolysis cell structure who takes waste heat to utilize has ensured the electrolysis trough safe handling, and the waste heat utilization of higher temperature water is used in the release of solid-state hydrogen storage device hydrogen moreover, has not only controlled the cost, more importantly make full use of the heat resource.
Description
Technical Field
The utility model relates to the technical field of hydrogen production by water electrolysis, in particular to a proton exchange membrane electrolytic tank structure with waste heat utilization.
Background
Hydrogen is a promising energy carrier and can be produced by various techniques such as hydrocarbon reforming, biomass gasification, electrolysis of water using nuclear or renewable energy sources, photocatalytic water splitting and pyrolysis.
PEM water electrolysis is considered to be the most promising method for producing high purity hydrogen from renewable energy sources. The method is characterized by higher efficiency and current density even at moderate temperatures. PEM water electrolysis systems have many advantages over conventional alkaline water electrolysis, such as cleanliness, no corrosive electrolytes involved, low maintenance. However, when water electrolysis is performed, a large amount of heat is released due to the passage of current, local heating is generated, the main structure of the membrane is damaged or strong catalyst sintering is caused along with the time, so that the safe use of the electrolytic tank is affected.
The solid hydrogen storage relies on hydrogenation and dehydrogenation reactions of the hydrogen storage material to realize the hydrogen storage and release functions, and the hydrogen release of the hydrogen storage material generally needs to be heated, for example, metal hydride is used as a solid hydrogen storage material with very good application prospect, the solid hydrogen storage material absorbs hydrogen in the form of metal hydride, and then the metal hydride is heated to release hydrogen, which needs to independently provide heat for the reaction.
Disclosure of Invention
The utility model aims to provide a proton exchange membrane electrolytic cell structure with waste heat utilization so as to solve the problems.
In order to achieve the above object, an embodiment of the present utility model provides a proton exchange membrane electrolyzer structure with waste heat utilization, including: the device comprises a tank body, a proton exchange membrane, an anode catalytic layer, a cathode catalytic layer, an anode porous transmission layer, a cathode porous transmission layer, a water guide mechanism, a heat transmission mechanism and a hydrogen storage bottle;
the proton exchange membrane is installed in the middle in the cell body, the anode catalytic layer and the cathode catalytic layer are respectively arranged on two sides of the proton exchange membrane, the anode porous transmission layer and the cathode porous transmission layer are respectively arranged on one side of the anode catalytic layer and one side of the cathode catalytic layer, two groups of water guide mechanisms are respectively arranged on the anode porous transmission layer and the cathode porous transmission layer, and the heat transmission mechanism is arranged on the hydrogen storage bottle.
Further, an anode water inlet and a cathode water inlet are formed in the back surface of the tank body, and the anode water inlet and the cathode water inlet are respectively close to the anode porous transmission layer and the cathode porous transmission layer;
the front face of the tank body is provided with an anode water outlet and a cathode water outlet, and the anode water outlet and the cathode water outlet are respectively close to the anode porous transmission layer and the cathode porous transmission layer.
Further, the heat transfer mechanism comprises a flow transfer pipe, a first converging head and an accelerating and releasing pipe;
one end of each of the two delivery pipes is connected with the anode water outlet and the cathode water outlet respectively, the other ends of the two delivery pipes are both communicated with the first converging head, and one end of the release accelerating pipe is communicated with the first converging head;
the release accelerating tube is spirally clung to the hydrogen storage bottle.
Further, the heat transfer mechanism further comprises a return pipe and a second converging head;
the other ends of the release accelerating pipes are communicated with the second converging heads, one ends of the two return pipes are connected with the second converging heads, and the other ends of the two return pipes are respectively connected with the anode water inlet and the cathode water inlet from two sides of the tank body;
the second converging head is positioned below the first converging head.
Further, the water guide mechanism comprises an external expansion water inlet and a water guide plate;
the plurality of water guide plates are obliquely downwards arranged on the anode porous transmission layer at equal intervals, and the plurality of external expansion water inlets are respectively connected to the plurality of water guide plates;
and the water guide plates are connected with the anode catalytic layer.
Further, the surfaces of the anode porous transmission layer and the cathode porous transmission layer are provided with platinum coatings.
Further, the proton exchange membrane is a composite membrane filled with ceramic oxide.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
1. the proton exchange membrane electrolytic cell structure with the waste heat utilization can enable water with higher temperature to continuously flow on the hydrogen storage bottle in the process of producing hydrogen by electrolyzing water through the heat transmission mechanism, so that the solid hydrogen storage material is heated to release hydrogen;
2. the proton exchange membrane electrolytic cell structure with waste heat can greatly reduce contact resistance by arranging the platinum coating, so that heating is reduced, and meanwhile, the water retention rate in the proton exchange membrane is enhanced by the ceramic oxide arranged in the proton exchange membrane, so that the whole system can operate at a higher temperature;
3. the proton exchange membrane electrolytic cell structure with the waste heat utilization ensures that the catalytic layer contacts with water as much as possible through the water guide mechanism, and increases the water contact area of the catalytic layer;
4. the proton exchange membrane electrolytic cell structure with the waste heat utilization reduces the temperature in the electrolytic cell while ensuring higher pressure between two stages of plates of the proton exchange membrane, ensures the safe use of the proton exchange membrane electrolytic cell structure, accelerates the reaction rate, improves the hydrogen production efficiency, utilizes the waste heat of water with higher temperature to release hydrogen of the solid hydrogen storage device, controls the cost, and more importantly fully utilizes the heat resource.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 shows a perspective view of the present utility model;
FIG. 2 shows a partial perspective view of the present utility model;
FIG. 3 shows another partial perspective view of the present utility model;
fig. 4 shows an enlarged view at a of fig. 2 of the present utility model.
In the figure
1. A tank body; 2. a proton exchange membrane; 3. an anode catalytic layer; 4. a cathode catalytic layer; 5. an anode porous transport layer; 6. a cathode porous transport layer; 7. a water guide mechanism; 71. a water inlet is externally expanded; 72. a water guide plate; 8. a heat transfer mechanism; 81. a flow delivery tube; 82. a first junction head; 83. a release accelerating tube; 84. a return pipe; 85. a second junction head; 9. a hydrogen storage bottle; 10. an anode water inlet; 11. a cathode water inlet; 12. an anode water outlet; 13. a cathode water outlet; 14. a platinum coating; 15. ceramic oxide.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Referring to fig. 1, fig. 1 shows a perspective view of the present utility model; referring to fig. 2, fig. 2 shows a partial perspective view of the present utility model; referring to fig. 3, fig. 3 shows another partial perspective view of the present utility model; referring to fig. 4, fig. 4 shows an enlarged view of fig. 2 at a in accordance with the present utility model; as shown in fig. 1-4, a proton exchange membrane electrolyzer structure with waste heat utilization, comprising: the device comprises a tank body 1, a proton exchange membrane 2, an anode catalytic layer 3, a cathode catalytic layer 4, an anode porous transmission layer 5, a cathode porous transmission layer 6, a water guide mechanism 7, a heat transfer mechanism 8 and a hydrogen storage bottle 9;
the proton exchange membrane 2 is centrally arranged in the tank body 1, the anode catalytic layer 3 and the cathode catalytic layer 4 are respectively arranged at two sides of the proton exchange membrane 2, the anode porous transmission layer 5 and the cathode porous transmission layer 6 are respectively arranged at one side of the anode catalytic layer 3 and one side of the cathode catalytic layer 4, two groups of water guide mechanisms 7 are respectively arranged on the anode porous transmission layer 5 and the cathode porous transmission layer 6, the heat transmission mechanism 8 is arranged on the hydrogen storage bottle 9, the water with higher temperature in the process of producing hydrogen by electrolyzing water can continuously flow on the hydrogen storage bottle 9 through the heat transmission mechanism 8, thereby heating the solid hydrogen storage material to release hydrogen, greatly reducing contact resistance through arranging the platinum coating 14, therefore, heating is reduced, and meanwhile, the water retention rate in the proton exchange membrane 2 is enhanced through the ceramic oxide 15 arranged in the proton exchange membrane 2, so that the whole system can operate at a higher temperature, contact between a catalytic layer and water is ensured as much as possible through the water guide mechanism 7, the water contact area of the catalytic layer is increased, the temperature in the electrolytic tank is reduced while the higher pressure between two stages of plates of the proton exchange membrane 2 is ensured, the safe use of the electrolytic tank is ensured, the reaction rate is accelerated, the hydrogen production efficiency is improved, and the waste heat of water with higher temperature is utilized for releasing hydrogen of the solid hydrogen storage device, so that the cost is controlled, and more importantly, the heat resource is fully utilized.
Optionally, an anode water inlet 10 and a cathode water inlet 11 are arranged on the back surface of the tank body 1, and the anode water inlet 10 and the cathode water inlet 11 are respectively close to the anode porous transmission layer 5 and the cathode porous transmission layer 6;
the front of the tank body 1 is provided with an anode water outlet 12 and a cathode water outlet 13, the anode water outlet 12 and the cathode water outlet 13 are respectively close to the anode porous transmission layer 5 and the cathode porous transmission layer 6, water can be introduced into the tank body 1 through the anode water inlet 10 and the cathode water inlet 11 so as to ensure a normal hydrogen production flow, and the anode water outlet 12 and the cathode water outlet 13 can discharge water with higher temperature outwards so as to be used for the hydrogen gas catalytic release of the heat transfer mechanism 8.
Optionally, the heat transfer mechanism 8 includes a flow transfer pipe 81, a first junction 82, and an accelerating and releasing pipe 83;
one end of each of the two flow delivery pipes 81 is respectively connected with the anode water outlet 12 and the cathode water outlet 13, the other ends of the two flow delivery pipes 81 are both communicated with the first converging head 82, and one end of the release accelerating pipe 83 is communicated with the first converging head 82;
the accelerating and releasing pipe 83 is spirally attached to the hydrogen storage bottle 9, so that high-temperature water discharged from the anode water outlet 12 and the cathode water outlet 13 is led out continuously, two water sources are collected and flow on the surface of the hydrogen storage bottle 9 through the accelerating and releasing pipe 83, the waste heat of the high-temperature water is utilized to heat the solid hydrogen storage material in the hydrogen storage bottle 9, hydrogen is released, the waste heat of the high-temperature water in the hydrogen production process is effectively utilized, the heat resource is fully utilized, and the cost is controlled.
Optionally, the heat transfer mechanism 8 further comprises a return pipe 84 and a second junction head 85;
the other end of the release accelerating tube 83 is communicated with the second merging head 85, one end of two return tubes 84 is connected with the second merging head 85, and the other ends of the two return tubes 84 are respectively connected with the anode water inlet 10 and the cathode water inlet 11 from two sides of the tank body 1;
the second merging head 85 is located below the first merging head 82, so as to ensure that water is guided to flow back into the tank body 1 again, thereby realizing the circulating working process.
Optionally, the water guide mechanism 7 comprises an external expansion water inlet 71 and a water guide plate 72;
the plurality of water guide plates 72 are obliquely downwards and equidistantly arranged on the anode porous transmission layer 5, and the plurality of external expansion water inlets 71 are respectively connected to the plurality of water guide plates 72;
the water guide plates 72 are connected with the anode catalytic layer 3, a group of water guide mechanisms 7 are arranged, the other group of water guide mechanisms 7 are arranged on the cathode porous transmission layer 6 in the same mode, the water is guided to the catalytic layer by the outer expansion water inlets 71 and the water guide plates 72, the contact area of the catalytic layer and the water is increased, and the catalytic layer is contacted with the water as much as possible, so that the reaction rate is accelerated, and the hydrogen production efficiency is improved.
Optionally, the surfaces of the anode porous transmission layer 5 and the cathode porous transmission layer 6 are provided with a platinum coating 14, platinum is a chemical element, and the platinum coating 14 can reduce contact resistance, thereby reducing heat generation, further guaranteeing safe use of the electrolytic cell, and simultaneously, the platinum coating 14 can be used as a catalyst to improve the efficiency of hydrogen reaction, and simultaneously, reduce energy consumption and environmental pollution.
Optionally, the proton exchange membrane 2 is a composite membrane filled with the ceramic oxide 15, so that the water retention rate in the composite membrane formed by the proton exchange membrane 2 and the ceramic oxide 15 together is enhanced, and the proton exchange membrane can further operate at a higher temperature, and the safe use of the electrolytic tank is ensured.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a take proton exchange membrane electrolysis trough structure of waste heat utilization which characterized in that includes: the device comprises a tank body (1), a proton exchange membrane (2), an anode catalytic layer (3), a cathode catalytic layer (4), an anode porous transmission layer (5), a cathode porous transmission layer (6), a water guide mechanism (7), a heat transmission mechanism (8) and a hydrogen storage bottle (9);
the proton exchange membrane (2) is installed in the middle in the cell body (1), positive pole catalysis layer (3) with negative pole catalysis layer (4) are established respectively in proton exchange membrane (2) both sides, positive pole porous transport layer (5) with negative pole porous transport layer (6) are established respectively positive pole catalysis layer (3) with negative pole catalysis layer (4) one side, two sets of water guide mechanism (7) set up respectively positive pole porous transport layer (5) with negative pole porous transport layer (6) are last, heat transfer mechanism (8) set up on hydrogen storage bottle (9).
2. A proton exchange membrane electrolyzer structure with waste heat utilization as defined in claim 1, characterized in that,
an anode water inlet (10) and a cathode water inlet (11) are arranged on the back surface of the tank body (1), and the anode water inlet (10) and the cathode water inlet (11) are respectively close to the anode porous transmission layer (5) and the cathode porous transmission layer (6);
the front of the tank body (1) is provided with an anode water outlet (12) and a cathode water outlet (13), and the anode water outlet (12) and the cathode water outlet (13) are respectively close to the anode porous transmission layer (5) and the cathode porous transmission layer (6).
3. A proton exchange membrane electrolyzer structure with waste heat utilization as defined in claim 2, characterized in that,
the heat transfer mechanism (8) comprises a flow transfer pipe (81), a first converging head (82) and an accelerating and releasing pipe (83);
one end of each of the two delivery pipes (81) is respectively connected with the anode water outlet (12) and the cathode water outlet (13), the other ends of the two delivery pipes (81) are both communicated with the first converging head (82), and one end of the release accelerating pipe (83) is communicated with the first converging head (82);
the release accelerating tube (83) is spirally clung to the hydrogen storage bottle (9).
4. A proton exchange membrane electrolyzer structure with waste heat utilization as defined in claim 3, characterized in that,
the heat transfer mechanism (8) further comprises a return pipe (84) and a second converging head (85);
the other end of the release accelerating tube (83) is communicated with the second converging head (85), one end of each return tube (84) is connected with the second converging head (85), and the other ends of the two return tubes (84) are respectively connected with the anode water inlet (10) and the cathode water inlet (11) from two sides of the tank body (1);
the second junction head (85) is located below the first junction head (82).
5. A proton exchange membrane electrolyzer structure with waste heat utilization as defined in claim 4, characterized in that,
the water guide mechanism (7) comprises an external expansion water inlet (71) and a water guide plate (72);
the water guide plates (72) are obliquely downwards arranged on the anode porous transmission layer (5) at equal intervals, and the outer expansion water inlets (71) are respectively connected to the water guide plates (72);
and a plurality of water guide plates (72) are connected with the anode catalytic layer (3).
6. A proton exchange membrane electrolyzer structure with waste heat utilization as defined in claim 5, characterized in that,
the surfaces of the anode porous transmission layer (5) and the cathode porous transmission layer (6) are provided with platinum coatings (14).
7. The proton exchange membrane electrolyzer structure with waste heat utilization as claimed in claim 6, characterized in that,
the proton exchange membrane (2) is a composite membrane filled with ceramic oxide (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854843.9U CN220597645U (en) | 2023-07-14 | 2023-07-14 | Proton exchange membrane electrolytic cell structure with waste heat utilization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854843.9U CN220597645U (en) | 2023-07-14 | 2023-07-14 | Proton exchange membrane electrolytic cell structure with waste heat utilization function |
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| Publication Number | Publication Date |
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| CN220597645U true CN220597645U (en) | 2024-03-15 |
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| CN202321854843.9U Active CN220597645U (en) | 2023-07-14 | 2023-07-14 | Proton exchange membrane electrolytic cell structure with waste heat utilization function |
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2023
- 2023-07-14 CN CN202321854843.9U patent/CN220597645U/en active Active
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