CN114032569B - High-efficiency electrolytic structure device - Google Patents
High-efficiency electrolytic structure device Download PDFInfo
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- CN114032569B CN114032569B CN202111372265.0A CN202111372265A CN114032569B CN 114032569 B CN114032569 B CN 114032569B CN 202111372265 A CN202111372265 A CN 202111372265A CN 114032569 B CN114032569 B CN 114032569B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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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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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a high-efficiency electrolytic structure device, which relates to the field of electrolysis and comprises an electrolytic chamber, an electrolytic device, a diaphragm cover, a gas-liquid separator, a gas dryer, a hydrogen collecting tank, an oxygen collecting tank, an anode extension plate group and a cathode extension plate group; through installing positive pole extension board group and negative pole extension board group respectively at positive pole and negative pole, increase positive pole and negative pole and electrolyte's area of contact, effectually accelerated electrolysis efficiency, under the effect that two diaphragm covers permeate water, directly pass through the export of diaphragm cover again in proper order through gas-liquid separator and gas dryer at the negative pole production hydrogen come up, finally reach in the hydrogen collection tank, directly pass through the export of diaphragm cover again in proper order through gas-liquid separator and gas dryer at the positive pole production oxygen come up, finally reach in the oxygen collection tank, effectually avoid the hydrogen and the oxygen mixture that the electrolysis produced together.
Description
Technical Field
The invention relates to the field of electrolysis, in particular to a high-efficiency electrolytic structure device.
Background
The hydrogen as the energy storage carrier has the advantages of light weight, high energy density, no pollutant emission to the environment during use and the like, and is favored by vast scientific researchers and environmental workers. The existing hydrogen production technology is mainly divided into two major types, namely fossil fuel hydrogen production and water electrolysis hydrogen production, and other hydrogen production methods include thermochemical cycle hydrogen production, biomass hydrogen production and the like.
The fossil fuel hydrogen production is the most economical hydrogen source with the largest standard at present, and along with the development of society, environmental problems are more and more concerned, because the fossil fuel hydrogen production uses petroleum fuel as raw materials in the hydrogen production process, certain negative influence is inevitably generated on the environment, complicated filtering and separating procedures are required in the later stage of the hydrogen production, and the purity of the hydrogen can not meet the requirements of hydrogen equipment in the later stage. In addition, fossil fuel hydrogen production is commonly used in large production bases, and cannot fully play its role in the current efficient and economical micro-grid architecture. The hydrogen is prepared by electrolysis of water, the high-purity hydrogen is obtained by electrolysis of water, the equipment structure is mature and relatively simple, the purity of the purified hydrogen can reach 99.9999 percent, which is an order of magnitude higher than that of other hydrogen preparation modes, and the prepared hydrogen does not contain carbon element impurities, but the water electrolysis hydrogen preparation efficiency in the current market is lower.
Disclosure of Invention
The invention designs a high-efficiency electrolytic structure device for solving the problems.
The invention realizes the above purpose through the following technical scheme:
a high efficiency electrolytic structure device comprising:
an electrolysis chamber; electrolyte is filled in the electrolysis chamber;
an electrolysis device; the electrolysis device is arranged at the lower end of the electrolysis chamber;
two diaphragm covers; the two diaphragm covers are respectively sleeved on the cathode and the anode of the electrolysis device, the diaphragm of the diaphragm cover is permeable but airtight in water, and the height of the lowest point of the diaphragm cover is not higher than that of the lowest point of the anode and the cathode;
two gas-liquid separators;
two gas dryers;
a hydrogen collection tank; the gas outlet of the gas collecting hood positioned at the cathode is communicated with the gas inlet of the hydrogen collecting tank through a gas-liquid separator and a gas dryer in sequence;
an oxygen collection tank; the gas outlet of the gas collecting hood positioned at the anode is communicated with the gas inlet of the oxygen collecting tank;
an anode extension plate group; the anode extension plate group is fixedly arranged on the anode, and the anode extension plate and the anode are made of the same material;
a cathode extension plate group; the cathode extension plate set is fixedly arranged on the cathode, and the cathode extension plate and the cathode are made of the same material.
The invention has the beneficial effects that: through installing positive pole extension board group and negative pole extension board group respectively at positive pole and negative pole, increase positive pole and negative pole and electrolyte's area of contact, effectually accelerated electrolysis efficiency, under the effect that two diaphragm covers permeate water, directly pass through the export of diaphragm cover again in proper order through gas-liquid separator and gas dryer at the negative pole production hydrogen come up, finally reach in the hydrogen collection tank, directly pass through the export of diaphragm cover again in proper order through gas-liquid separator and gas dryer at the positive pole production oxygen come up, finally reach in the oxygen collection tank, effectually avoid the hydrogen and the oxygen mixture that the electrolysis produced together.
Drawings
FIG. 1 is a schematic view of a high efficiency electrolytic structure device of the present invention;
FIG. 2 is a schematic view of the structure of an anode extension plate in a high efficiency electrolytic structure device according to the present invention;
FIG. 3 is an enlarged view of section A of a high efficiency electrolytic structure device according to the present invention;
FIG. 4 is a control diagram of a high efficiency electrolytic structure device of the present invention;
wherein corresponding reference numerals are as follows:
1-electrolysis chamber, 2-hydrogen collection tank, 3-oxygen collection tank, 4-second valve, 5-gas dryer, 6-gas-liquid separator, 7-water storage chamber, 8-motor, 9-stirring shaft, 10-baffle, 11-oxygen sensor, 12-third valve, 13-hydrogen sensor, 14-first valve, 15-cathode, 16-waterproof ventilated membrane, 17-cathode extension board, 18-diaphragm cover, 19-electrolysis device, 20-connecting pipe, 21-anode, 22-anode extension board, 23-fourth valve, 24-baffle ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes specific embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1 and 2, a high-efficiency electrolytic structure device comprises:
an electrolysis chamber 1; electrolyte is filled in the electrolytic chamber 1;
an electrolysis device 19; the electrolysis device 19 is arranged at the lower end in the electrolysis chamber 1;
two diaphragm covers 18; the two diaphragm covers 18 are respectively sleeved on the cathode 15 and the anode 21 of the electrolysis device 19, and the diaphragms of the diaphragm covers 18 are permeable and airtight in water;
two gas-liquid separators 6;
two gas dryers 5;
a hydrogen collection tank 2; the gas outlet of the gas collecting hood positioned at the cathode 15 is communicated with the gas inlet of the hydrogen collecting tank 2 through a gas-liquid separator 6 and a gas dryer 5 in sequence;
an oxygen collection tank 3; the gas outlet of the gas collecting hood positioned at the anode 21 is communicated with the gas inlet of the oxygen collecting tank 3;
a set of anode extension plates 22; the anode extension plate 22 group is fixedly arranged on the anode 21, and the anode extension plate 22 and the anode 21 are made of the same material;
a cathode extension plate 17 group; the cathode extension plate 17 is fixedly arranged on the cathode 15, and the cathode extension plate 17 and the cathode 15 are made of the same material.
As shown in fig. 1 and 2, the anode extension plate 22 set includes a plurality of anode extension plates 22, the plurality of anode extension plates 22 are arranged on the anode 21 with the central axis of the anode 21 as the center, the cathode extension plate 17 set includes a plurality of cathode extension plates 17, the plurality of cathode extension plates 17 are arranged on the cathode 15 with the central axis of the cathode 15 as the center, and the contact area between the anode 21 and the cathode 15 and the electrolyte is increased by the anode extension plates 22 and the cathode extension plates 17.
As shown in fig. 1 and 2, each anode extension plate 22 and each cathode extension plate 17 are of a quadrangular frustum structure, and the upper bottom dimension of the quadrangular frustum structure is smaller than the lower bottom dimension, so that the area of each side surface is effectively increased, the contact area with electrolyte is increased, and the electrolytic efficiency is improved.
As shown in fig. 1 and 3, the electrolytic structure device further includes two connection pipes 20, two baffle rings 24 and two waterproof and breathable films 16, the two connection pipes 20 are respectively installed at the air outlets of the two diaphragm covers 18, one baffle ring 24 is installed at the lower end of the inner side wall of one connection pipe 20, one waterproof and breathable film 16 is installed at the upper end of the inner side wall of one connection pipe 20, the inner diameter of the upper end of the baffle ring 24 is smaller than the inner diameter of the lower end of the baffle ring 24, and the gas entering the connection pipe 20 is compressed by the action of the baffle ring 24, so that the gas produced by electrolysis is primarily cooled, part of water vapor is cooled and liquefied, and when the gas passes through the waterproof and breathable films 16, the gas is separated and blocked by the waterproof and breathable films 16.
As shown in fig. 1, the electrolytic structure device further comprises a baffle plate 10, wherein a first end of the baffle plate 10 is fixedly connected with the upper end of the electrolytic chamber 1, and a second end of the baffle plate 10 is lower than the lowest point of the diaphragm cover 18, so that gas on two sides of the baffle plate 10 is prevented from being mixed.
As shown in fig. 1, the electrolytic structure device further comprises a water storage chamber 7, a water pump, a stirring shaft 9, a motor 8, a central processor and a liquid level sensor, wherein the liquid level sensor is used for detecting the liquid level change of the electrolytic chamber 1, a water outlet and a water inlet of the water pump are respectively communicated with the water inlet of the electrolytic chamber 1 and the water outlet of the water storage chamber 7, the upper end of the stirring shaft 9 is fixedly connected with a rotating shaft of the motor 8, the central axis of the stirring shaft 9 coincides with the central axis of the electrolytic chamber 1, a data signal input end of the central processor is connected with a data signal output end of the liquid level sensor, a control signal output end of the central processor is respectively connected with a control signal input end of the motor 8 and a control signal input end of the water pump, when the liquid level sensor detects the liquid level signal of the electrolytic chamber 1 and transmits the liquid level signal to the central processor, and when the central processor judges that the liquid level is lower than a set value, the central processor controls the water pump and the motor 8 to be started, water is injected into the electrolytic chamber 1, and the stirring shaft 9 is driven to rotate through the motor 8, so that newly added water and electrolyte are uniformly mixed.
The electrolytic structure device further comprises a hydrogen sensor 13, two first valves 14 and a second valve 4, the second valve 4 is arranged at the air inlet of the hydrogen collection tank 2, the two first valves 14 are arranged at the air outlet of the hydrogen collection tank 2, the air inlet and the air outlet of the hydrogen collection tank 2 are respectively positioned at the upper end and the lower end of the hydrogen collection tank 2, the hydrogen sensor 13 is used for detecting the hydrogen concentration between the two first valves 14, the data signal input end of the central processing is connected with the data signal output end of the hydrogen sensor 13, the control signal output end of the central processing is respectively connected with the control signal input ends of the two first valves 14 and the control signal input end of the second valve 4, the storage volume of the hydrogen collection tank 2 is twice the storage volume of the oxygen collection tank 3, when the hydrogen sensor 13 detects the hydrogen concentration between the first valves 14 and transmits signals to the central processing unit, and when the central processing unit judges that the hydrogen concentration is larger than a set value, the central processing unit controls the first valves 14 and the second valves 4 to be closed and controls the electrolytic device 19 to stop working.
The electrolytic structure device further comprises an oxygen sensor 11, two third valves 12 and a fourth valve 23, the fourth valve 23 is arranged at the air inlet of the oxygen collection tank 3, the two third valves 12 are arranged at the air outlet of the oxygen collection tank 3, the air outlet and the air inlet of the oxygen collection tank 3 are respectively positioned at the upper end and the lower end of the oxygen collection tank 3, the oxygen sensor 11 is used for detecting the oxygen concentration between the two third valves 12, the data signal input end of the central processing is connected with the data signal output end of the oxygen sensor 11, the control signal output end of the central processing is respectively connected with the control signal input ends of the two third valves 12 and the fourth valve 23, the storage volume of the hydrogen collection tank 2 is twice the storage volume of the oxygen collection tank 3, when the oxygen sensor 11 detects the oxygen concentration between the first valves 14 and transmits signals to the central processing unit, and when the central processing unit judges that the oxygen concentration is larger than a set value, the central processing unit controls the third valves 12 and the fourth valve 23 to be closed, and controls the electrolytic device 19 to stop working.
The working principle of the high-efficiency electrolytic structure device is as follows:
when the electrolysis device 19 is operated, hydrogen and oxygen are generated at the cathode 15 and the anode 21 of the electrolysis device 19,
cathode 15: when the generated hydrogen floats upwards and enters the connecting pipe 20 through the air outlet of the diaphragm cover 18, the hydrogen passes through the baffle ring 24, and the inner diameter of the upper end of the baffle ring 24 is smaller than the inner diameter of the lower end of the baffle ring 24, so that the hydrogen can be primarily compressed and cooled, partial water vapor is cooled and liquefied, when the hydrogen passes through the waterproof and breathable film 16, the water is blocked under the waterproof and breathable film 16, then the hydrogen sequentially passes through the gas-liquid separator 6, the hydrogen is further subjected to gas-liquid separation, and finally the hydrogen is subjected to final treatment through the gas dryer 5 to obtain pure hydrogen, and the pure hydrogen enters the hydrogen collecting tank 2 from the upper part of the hydrogen collecting tank 2;
anode 21: when the generated oxygen floats upwards and enters the connecting pipe 20 through the air outlet of the diaphragm cover 18, and the oxygen passes through the baffle ring 24, as the inner diameter of the upper end of the baffle ring 24 is smaller than the inner diameter of the lower end of the baffle ring 24, the oxygen can be primarily compressed and cooled, partial water vapor is cooled and liquefied, when the oxygen passes through the waterproof and breathable film 16, the water is blocked under the waterproof and breathable film 16, then the oxygen sequentially passes through the gas-liquid separator 6, the oxygen is further subjected to gas-liquid separation, and finally the pure oxygen is obtained through the final treatment of the gas dryer 5, and enters the oxygen collection tank 3 from the lower part of the oxygen collection tank 3;
in the process, the hydrogen sensor 13 detects the hydrogen concentration between the first valves 14 and transmits a signal to the central processing unit, the oxygen sensor 11 detects the oxygen concentration between the third valves 12 and transmits a signal to the central processing unit, and when the central processing unit judges that the hydrogen concentration is greater than a hydrogen set value or the oxygen concentration is greater than an oxygen set value, the central processing unit controls the first valve 14, the second valve 4, the third valve 12 and the fourth valve 23 to be closed and controls the electrolysis device 19 to stop working;
when the liquid level sensor detects a liquid level signal of the electrolysis chamber 1 and transmits the liquid level signal to the central processing unit, and the central processing unit controls the water pump and the motor 8 to start when judging that the liquid level is lower than a set value, water is injected into the electrolysis chamber 1, and the stirring shaft 9 is driven to rotate through the motor 8, so that newly added water and electrolyte are uniformly mixed.
The technical scheme of the invention is not limited to the specific embodiment, and all technical modifications made according to the technical scheme of the invention fall within the protection scope of the invention.
Claims (5)
1. A high efficiency electrolytic structure device comprising:
an electrolysis chamber; electrolyte is filled in the electrolysis chamber;
an electrolysis device; the electrolysis device is arranged at the lower end of the electrolysis chamber;
two diaphragm covers; the two diaphragm covers are respectively sleeved on the cathode and the anode of the electrolysis device, and the diaphragms of the diaphragm covers are permeable and airtight in water;
two gas-liquid separators;
two gas dryers;
a hydrogen collection tank; the gas outlet of the gas collecting hood positioned at the cathode is communicated with the gas inlet of the hydrogen collecting tank through a gas-liquid separator and a gas dryer in sequence;
an oxygen collection tank; the gas outlet of the gas collecting hood positioned at the anode is communicated with the gas inlet of the oxygen collecting tank;
an anode extension plate group; the anode extension plate group is fixedly arranged on the anode, and the anode extension plate and the anode are made of the same material;
a cathode extension plate group; the cathode extension plate set is fixedly arranged on the cathode, and the cathode extension plate and the cathode are made of the same material;
the electrolytic structure device also comprises two connecting pipes, two baffle rings and two waterproof and breathable films, wherein the two connecting pipes are respectively arranged at the air outlets of the two diaphragm covers, the lower end of the inner side wall of one connecting pipe is provided with one baffle ring, the upper end of the inner side wall of one connecting pipe is provided with one waterproof and breathable film, and the inner diameter of the upper end of the baffle ring is smaller than that of the lower end of the baffle ring;
the anode extension plate group comprises a plurality of anode extension plates, the anode extension plates are arranged on the anode by taking the central axis of the anode as the center of a circle, the cathode extension plate group comprises a plurality of cathode extension plates, the cathode extension plates are arranged on the cathode by taking the central axis of the cathode as the center of a circle, each anode extension plate and each cathode extension plate are of a quadrangular frustum pyramid structure, and the upper bottom size of the quadrangular frustum pyramid structure is smaller than the lower bottom size.
2. The high efficiency electrolytic structure device of claim 1, further comprising a baffle plate, wherein a first end of the baffle plate is fixedly connected to the upper end of the electrolytic chamber, and a second end of the baffle plate is lower than the lowest point of the diaphragm cover.
3. The high-efficiency electrolytic structure device according to claim 1, further comprising a water storage chamber, a water pump, a stirring shaft, a motor, a central processor and a liquid level sensor, wherein the liquid level sensor is used for detecting liquid level change of the electrolytic chamber, a water outlet and a water inlet of the water pump are respectively communicated with the water inlet of the electrolytic chamber and the water outlet of the water storage chamber, the upper end of the stirring shaft is fixedly connected with a rotating shaft of the motor, the central axis of the stirring shaft coincides with the central axis of the electrolytic chamber, a data signal input end of the central processor is connected with a data signal output end of the liquid level sensor, and a control signal output end of the central processor is respectively connected with a control signal input end of the motor and a control signal input end of the water pump.
4. The high-efficiency electrolytic structure device according to claim 3, further comprising a hydrogen sensor, two first valves and a second valve, wherein the second valve is installed at the air inlet of the hydrogen collection tank, the two first valves are all disposed at the air outlet of the hydrogen collection tank, the air inlet and the air outlet of the hydrogen collection tank are respectively disposed at the upper end and the lower end of the hydrogen collection tank, the hydrogen sensor is used for detecting the hydrogen concentration between the two first valves, the data signal input end of the central processing unit is connected with the data signal output end of the hydrogen sensor, and the control signal output end of the central processing unit is respectively connected with the control signal input ends of the two first valves and the second valve.
5. The high-efficiency electrolytic structure device according to claim 3, further comprising an oxygen sensor, two third valves and a fourth valve, wherein the fourth valve is installed at the air inlet of the oxygen collection tank, the two third valves are all arranged at the air outlet of the oxygen collection tank, the air outlet and the air inlet of the oxygen collection tank are respectively positioned at the upper end and the lower end of the oxygen collection tank, the oxygen sensor is used for detecting the oxygen concentration between the two third valves, the data signal input end of the central processing is connected with the data signal output end of the oxygen sensor, and the control signal output end of the central processing is respectively connected with the control signal input ends of the two third valves and the fourth valve.
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| CN115522226A (en) * | 2022-09-29 | 2022-12-27 | 广东天科环境科学研究院 | Device for producing combustible gas by electrolyzing water |
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| JP2000355782A (en) * | 1999-06-14 | 2000-12-26 | Hokuto Corp | Gaseous hydrogen and oxygen generator |
| JP2009173968A (en) * | 2008-01-22 | 2009-08-06 | Fine Energy Kk | Hydrogen/oxygen gaseous mixture producing apparatus |
| TWI535896B (en) * | 2015-05-07 | 2016-06-01 | 國立交通大學 | Electrolytic tank |
| JP2017057482A (en) * | 2015-09-18 | 2017-03-23 | 株式会社東芝 | Electrode body and electrolyzer |
| CN205152349U (en) * | 2015-11-23 | 2016-04-13 | 深圳市高发气体有限公司 | Energy -conserving water electrolysis hydrogen device |
| CN106119886B (en) * | 2016-06-23 | 2019-02-05 | 中国科学院过程工程研究所 | A method of pressurization electrolytic cell and intensified electrolysis |
| CN206736368U (en) * | 2017-05-31 | 2017-12-12 | 新疆工程学院 | A kind of new hydrogen production machine |
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