CN212642906U - Vehicle-mounted water electrolysis hydrogen production device - Google Patents
Vehicle-mounted water electrolysis hydrogen production device Download PDFInfo
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- CN212642906U CN212642906U CN202021425698.9U CN202021425698U CN212642906U CN 212642906 U CN212642906 U CN 212642906U CN 202021425698 U CN202021425698 U CN 202021425698U CN 212642906 U CN212642906 U CN 212642906U
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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
- 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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to the technical field of hydrogen production by water electrolysis, in particular to a vehicle-mounted hydrogen production device by water electrolysis, which comprises an installation cavity, wherein an anode and a cathode are arranged in the installation cavity, one end of the installation cavity is connected with a first baffle, and the other end of the installation cavity is connected with a second baffle; a water outlet pipe communicated with the mounting cavity is arranged on the first baffle plate, and a water inlet pipe connected with the mounting cavity is arranged on the second baffle plate; the first baffle and the second baffle are both provided with binding posts; the utility model has the advantages of simple structure, can regard as auxiliary fuel, be applied to hybrid vehicle or hydrogen energy car etc. solve the hydrogen source problem of hydrogen internal-combustion engine, for hybrid vehicle or hydrogen energy car etc. hydrogen internal-combustion engine provide more reliable, more efficient, more economic hydrogen manufacturing mode.
Description
Technical Field
The utility model relates to an electrolytic water hydrogen manufacturing technical field especially relates to a vehicle-mounted electrolytic water hydrogen manufacturing device.
Background
With the increasing environmental problems, clean energy conservation has become an inevitable trend in the development of internal combustion engines. Hydrogen has many advantages as an alternative fuel for internal combustion engines and is considered to be one of the ideal alternative energy sources for internal combustion engines.
A plurality of scholars at home and abroad propose that hydrogen is mixed with other fossil fuels and then combusted, and the combustion and emission conditions of an engine can be improved by effectively utilizing the advantages of low ignition energy, wide combustion concentration range, high flame propagation speed and the like of the hydrogen. However, infrastructure construction of hydrogen stations at home and abroad is not complete at present, application of hydrogen in the automobile industry is disturbed by difficulty in hydrogen filling, and potential safety hazards are brought to automobiles due to large-amount on-vehicle storage of hydrogen.
For example, a traditional hybrid electric vehicle or a hydrogen energy vehicle needs hydrogen storage equipment, and has potential safety hazards; secondly, the hydrogen fuel cell has the disadvantages of high cost and poor reliability, and is difficult to be widely developed in a short time, either economically or technically; moreover, the traditional water electrolysis device has complex structure and low hydrogen production efficiency.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned traditional hybrid vehicle or hydrogen energy car that exist have potential safety hazard, hydrogen fuel cell not enough and traditional electrolysis water installation structure complicacy, produce the problem of hydrogen inefficiency, the utility model provides an on-vehicle electrolysis water hydrogen plant, simple structure can regard as auxiliary fuel, is applied to hybrid vehicle or hydrogen energy car etc. solves the hydrogen source problem of hydrogen internal-combustion engine, provides more reliable, more efficient, more economic hydrogen manufacturing mode for hydrogen internal-combustion engines such as hybrid vehicle or hydrogen energy car.
In order to solve the technical problem, the utility model provides a concrete scheme as follows:
a vehicle-mounted water electrolysis hydrogen production device comprises an installation cavity, wherein an anode and a cathode are arranged in the installation cavity, one end of the installation cavity is connected with a first baffle, and the other end of the installation cavity is connected with a second baffle;
a water outlet pipe communicated with the mounting cavity is arranged on the first baffle plate, and a water inlet pipe connected with the mounting cavity is arranged on the second baffle plate;
and the first baffle and the second baffle are both provided with binding posts.
Optionally, a first sealing gasket is arranged between the installation cavity and the first baffle plate;
a second sealing washer is arranged between the mounting cavity and the second baffle;
the connection sealing performance between the installation cavity and the first baffle plate is ensured by arranging the first sealing washer, the connection sealing performance between the installation cavity and the second baffle plate is ensured by arranging the second sealing washer, and the phenomenon of leakage of electrolyte in the installation cavity is prevented.
Optionally, the cathode is a porous hydrogen evolution electrode made by additive manufacturing, and has excellent electrical conductivity, sufficient electrochemical inertia, high electrocatalytic activity, good thermal conductivity, electrolyte corrosion resistance and high specific surface area.
Optionally, the first baffle and the second baffle are both provided with mounting holes, and the mounting holes are convenient for mounting the whole vehicle-mounted water electrolysis hydrogen production device.
Optionally, the first baffle and the second baffle are made of polytetrafluoroethylene materials, so that the corrosion resistance is realized, and the service life of the baffle is prolonged.
Optionally, the installation cavity is a transparent installation cavity, so that the condition of hydrogen generated in the installation cavity can be observed conveniently.
Optionally, the water outlet pipe and the water inlet pipe are both made of brass materials, so that the water outlet pipe and the water inlet pipe are corrosion-resistant, and the service life of the water outlet pipe and the water inlet pipe is prolonged.
Optionally, the anode is made of a nickel-based alloy material, and has excellent electrical conductivity, sufficient electrochemical inertness, high electro-catalytic activity, good thermal conductivity, and electrolyte corrosion resistance.
Optionally, the binding post is made of a nickel-based alloy material, so that the binding post has corrosion resistance and the service life of the binding post is prolonged.
Optionally, the first sealing washer and the second sealing washer are made of rubber materials, so that the vehicle-mounted water electrolysis hydrogen production device has good corrosion resistance and sealing performance, and the problem of electrolyte leakage cannot occur.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a pair of on-vehicle electrolytic water hydrogen plant, simple structure can regard as auxiliary fuel, is applied to hybrid vehicle or hydrogen energy car etc. and solves the hydrogen source problem of hydrogen internal-combustion engine, provides more reliable, more efficient, more economic hydrogen manufacturing mode for hydrogen internal-combustion engines such as hybrid vehicle or hydrogen energy car.
Drawings
Fig. 1 is an overall structure schematic diagram of a vehicle-mounted water electrolysis hydrogen production device provided in the embodiment of the utility model.
Fig. 2 is a schematic structural diagram of the installation cavity provided in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a cathode provided in an embodiment of the present invention.
Fig. 4 is an enlarged view of a partial structure of a cathode provided in an embodiment of the present invention.
Wherein, 1 is a mounting cavity; 2 is an anode; 3 is a cathode; 4 is a first baffle plate; 5 is a second baffle; 6 is a water outlet pipe; 7 is a water inlet pipe; 8 is a binding post; 9 is a first sealing gasket; 10 is a second sealing gasket; and 11 is a mounting hole.
Detailed Description
In order to explain the technical solution of the present invention in detail, the following will combine the drawings of the embodiments of the present invention to perform clear and complete description on the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, the vehicle-mounted water electrolysis hydrogen production device comprises an installation cavity, wherein an anode and a cathode are arranged in the installation cavity, one end of the installation cavity is connected with a first baffle, and the other end of the installation cavity is connected with a second baffle; a water outlet pipe communicated with the mounting cavity is arranged on the first baffle plate, and a water inlet pipe connected with the mounting cavity is arranged on the second baffle plate; and the first baffle and the second baffle are both provided with binding posts.
The vehicle-mounted water electrolysis hydrogen production device provided by the embodiment has a simple structure, can be used as an auxiliary fuel, is applied to hybrid vehicles or hydrogen energy vehicles and the like, solves the problem of hydrogen source of the hydrogen-doped internal combustion engine, and provides a more reliable, more efficient and more economic hydrogen production mode for the hydrogen-doped internal combustion engines of the hybrid vehicles or the hydrogen energy vehicles and the like.
As shown in fig. 1 and 2, the vehicle-mounted water electrolysis hydrogen production device comprises an installation cavity, wherein an anode and a cathode are arranged in the installation cavity, and a potassium hydroxide solution is filled in the installation cavity, and the concentration of the potassium hydroxide solution is 10-30% of the mass fraction. One end of the mounting cavity is connected with a first baffle, the other end of the mounting cavity is connected with a second baffle, and the mounting cavity is fixed through the first baffle and the second baffle so as to facilitate the mounting of the whole vehicle-mounted water electrolysis hydrogen production device.
A water outlet pipe communicated with the mounting cavity is arranged on the first baffle plate, a water inlet pipe connected with the mounting cavity is arranged on the second baffle plate, specifically, a threaded hole used for connecting the water outlet pipe can be formed in the first baffle plate, the threaded hole penetrates through the first baffle plate, a section of thread corresponding to the threaded hole is arranged on the water outlet pipe, and the water outlet pipe is connected with the first baffle plate and communicated with the mounting cavity through threaded connection; similarly, a threaded hole for connecting the water inlet pipe can be formed in the second baffle plate, the threaded hole penetrates through the second baffle plate, a section of thread corresponding to the threaded hole is formed in the water inlet pipe, and the water inlet pipe is connected with the second baffle plate and communicated with the installation cavity through threaded connection; the potassium hydroxide solution loaded in the installation cavity can enter the installation cavity through the water inlet pipe and is discharged out of the installation cavity through the water outlet pipe after hydrogen production is finished.
The first baffle and the second baffle are both provided with binding posts, electrodes and leads are connected through the binding posts, namely, the anode and the cathode are connected with the leads through the binding posts.
The vehicle-mounted water electrolysis hydrogen production device provided by the application can directly produce hydrogen without hydrogen storage equipment, and a traditional internal combustion engine is transformed into a hydrogen-doped internal combustion engine, so that the hydrogen-doped internal combustion engine is technically or more easily realized in the transition of convenience in use and infrastructure.
The effect of blending hydrogen in gasoline on engine performance is mainly manifested in the following aspects: firstly, the thermal efficiency of the gasoline engine is obviously improved after the hydrogen is mixed, because the flame propagation speed of the hydrogen is high, the ignition delay period is shortened, the combustion cycle constant volume is improved, the after-combustion is reduced, the thermal efficiency of the gasoline engine is improved, and the oil consumption of the gasoline engine is reduced; after the hydrogen is mixed, the cycle stability of the gasoline engine is improved, because the ignition energy of the hydrogen is low and the combustion concentration range is wide, the ignition and combustion of the engine are effectively ensured, and the cycle fluctuation of the engine during working is reduced; the emission of HC and CO of the gasoline engine is reduced after the hydrogen is mixed, on one hand, the hydrogen does not contain carbon element, and on the other hand, a large number of activation centers are generated by the chain reaction of the hydrogen in the combustion process, so that the HC and CO can be fully combusted and oxidized in a cylinder, and the HC and CO in the tail gas are reduced; fourthly, the internal combustion engine is started in a hydrogen-doped mode, so that the emission of CO and HC generated in the cold starting process can be effectively reduced; under the conditions of idling and partial load, the hydrogen-doped intake gas is beneficial to improving the indicated thermal efficiency of the internal combustion engine, shortening the flame development period and the rapid combustion duration, reducing the cycle variation and expanding the lean burn limit of the internal combustion engine.
In some embodiments, a first sealing gasket is arranged between the mounting cavity and the first baffle plate, and a second sealing gasket is arranged between the mounting cavity and the second baffle plate.
The connection sealing performance between the installation cavity and the first baffle plate is ensured by arranging the first sealing washer, the connection sealing performance between the installation cavity and the second baffle plate is ensured by arranging the second sealing washer, and the phenomenon of leakage of electrolyte in the installation cavity is prevented.
The first sealing washer and the second sealing washer are made of rubber materials, have good corrosion resistance and sealing performance, and can prevent the electrolyte from leaking.
In some embodiments, as shown in fig. 3 and 4, the cathode is a porous hydrogen evolution electrode made by additive manufacturing, possessing excellent electrical conductivity, sufficient electrochemical inertness, high electrocatalytic activity, good thermal conductivity, resistance to electrolyte corrosion, and high specific surface area.
At present, porous hydrogen evolution electrodes are mainly prepared by a template removal electrodeposition method, which is divided into an organic template removal electrodeposition method, a metal template removal electrodeposition method and a gas template removal electrodeposition method according to the types of templates, wherein after metal alloy, organic polymer microspheres and hydrogen bubbles are respectively used as templates, and the metal alloy, the organic polymer microspheres and the hydrogen bubbles are dissolved and removed to form a porous structure after the alloy is electrodeposited. However, the process is complicated, involves multiple steps of template preparation and removal, and is expensive to manufacture, which is not suitable for wide application.
The technical characteristics that the additive manufacturing technology can be used for manufacturing parts with complex internal structures are utilized, the electrode structure with complex and high real specific surface area is prepared, the real current density on the surface of the electrode is reduced, the hydrogen evolution overpotential is reduced, and the hydrogen production electrolytic water device with higher efficiency is realized.
The porous hydrogen evolution electrode is manufactured by computer modeling and additive manufacturing technology, and the hydrogen evolution electrode with the porous structure is prepared with lower cost and higher efficiency, so that the application is stronger.
In some embodiments, the first baffle and the second baffle are both provided with mounting holes, and the mounting holes are convenient for mounting the whole vehicle-mounted electrolytic water hydrogen production device.
Specifically, this first baffle is the rectangular plate, is provided with the mounting hole respectively in its four extreme angle departments, and on the same principle, the second baffle is the rectangular plate equally, is provided with the mounting hole respectively in its four extreme angle departments, and this mode of setting can make on-vehicle electrolytic water hydrogen plant atress balanced when the installation, improves the steadiness of installation. Of course, this application does not restrict the quantity and the position of setting of mounting hole, specifically can adjust according to actual demand.
The first baffle and the second baffle are made of polytetrafluoroethylene materials, have corrosion resistance and prolong the service life of the baffle.
In some embodiments, the installation cavity is a transparent installation cavity, which facilitates observation of hydrogen generation in the installation cavity.
The water outlet pipe and the water inlet pipe are both made of brass materials, so that the water outlet pipe has corrosion resistance, and the service life of the water inlet pipe is prolonged.
The anode is made of nickel-based alloy materials and has excellent electrical conductivity, sufficient electrochemical inertia, high electro-catalytic activity, good thermal conductivity and electrolyte corrosion resistance.
The binding post is made of nickel-based alloy materials, has corrosion resistance and prolongs the service life of the binding post.
The utility model provides a pair of on-vehicle electrolytic water hydrogen plant, simple structure can regard as auxiliary fuel, is applied to hybrid vehicle or hydrogen energy car etc. and solves the hydrogen source problem of hydrogen internal-combustion engine, provides more reliable, more efficient, more economic hydrogen manufacturing mode for hydrogen internal-combustion engines such as hybrid vehicle or hydrogen energy car.
It is understood that different embodiments among the components in the above embodiments can be combined and implemented, and the embodiments are only for illustrating the implementation of specific structures and are not limited to the implementation of the embodiments.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The vehicle-mounted water electrolysis hydrogen production device is characterized by comprising a mounting cavity (1), wherein an anode (2) and a cathode (3) are arranged in the mounting cavity (1), one end of the mounting cavity (1) is connected with a first baffle (4), and the other end of the mounting cavity (1) is connected with a second baffle (5);
a water outlet pipe (6) communicated with the mounting cavity (1) is arranged on the first baffle (4), and a water inlet pipe (7) connected with the mounting cavity (1) is arranged on the second baffle (5);
and the first baffle (4) and the second baffle (5) are both provided with binding posts (8).
2. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that a first sealing gasket (9) is arranged between the installation cavity (1) and the first baffle (4);
and a second sealing gasket (10) is arranged between the mounting cavity (1) and the second baffle (5).
3. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the cathode (3) is a porous hydrogen evolution electrode made by additive manufacturing.
4. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the first baffle (4) and the second baffle (5) are provided with mounting holes (11).
5. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the first baffle (4) and the second baffle (5) are both made of polytetrafluoroethylene materials.
6. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the installation cavity (1) is a transparent installation cavity.
7. A vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the water outlet pipe (6) and the water inlet pipe (7) are both made of brass material.
8. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the anode (2) is made of nickel-based alloy material.
9. The vehicle-mounted water electrolysis hydrogen production device according to claim 1, characterized in that the binding post (8) is made of nickel-based alloy material.
10. The vehicle-mounted water electrolysis hydrogen production device according to claim 2, characterized in that the first sealing gasket (9) and the second sealing gasket (10) are both made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021425698.9U CN212642906U (en) | 2020-07-17 | 2020-07-17 | Vehicle-mounted water electrolysis hydrogen production device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021425698.9U CN212642906U (en) | 2020-07-17 | 2020-07-17 | Vehicle-mounted water electrolysis hydrogen production device |
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| CN212642906U true CN212642906U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899465A (en) * | 2022-03-29 | 2022-08-12 | 深圳技术大学 | Solid oxide fuel cell system and control method |
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- 2020-07-17 CN CN202021425698.9U patent/CN212642906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899465A (en) * | 2022-03-29 | 2022-08-12 | 深圳技术大学 | Solid oxide fuel cell system and control method |
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