CN115011969A - Hybrid hydrogen production system of coupled super capacitor and control method thereof - Google Patents
Hybrid hydrogen production system of coupled super capacitor and control method thereof Download PDFInfo
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- CN115011969A CN115011969A CN202210610772.1A CN202210610772A CN115011969A CN 115011969 A CN115011969 A CN 115011969A CN 202210610772 A CN202210610772 A CN 202210610772A CN 115011969 A CN115011969 A CN 115011969A
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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
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- C—CHEMISTRY; METALLURGY
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- 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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- 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
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/106—Parallel operation of dc sources for load balancing, symmetrisation, or sharing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/109—Scheduling or re-scheduling the operation of the DC sources in a particular order, e.g. connecting or disconnecting the sources in sequential, alternating or in subsets, to meet a given demand
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
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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
- Y02E60/13—Energy storage using capacitors
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Abstract
The invention relates to a hybrid hydrogen production system of a coupled super capacitor and a control method thereof, and the hybrid hydrogen production system comprises an alkaline electrolysis hydrogen production subsystem, a shunt module, a super capacitor and a power generation subsystem, wherein the power generation subsystem is connected with the shunt module, the super capacitor and the alkaline electrolysis hydrogen production subsystem are respectively connected with the shunt module, the shunt module inputs stable current into the alkaline electrolysis hydrogen production subsystem according to whether current fluctuation exceeding a preset threshold exists or not, and inputs fluctuating current into the super capacitor. Compared with the prior art, the invention has the advantages of ensuring the efficient and stable operation of the electrolytic hydrogen production system, improving the energy utilization rate and the like.
Description
Technical Field
The invention relates to the technical field of hydrogen production, in particular to a hybrid hydrogen production system of a coupled super capacitor and a control method thereof.
Background
The major categories of new energy sources are mainly solar energy, nuclear energy, hydrogen energy, wind energy and the like, wherein the hydrogen energy is used as a product without any secondary pollution, and the cleanest energy source is expected to become one of the main energy sources in the future. Hydrogen production by water electrolysis is one of the most common hydrogen production technologies at present, and the hydrogen production technology by alkaline water electrolysis is relatively mature and has already been commercialized. For the electric energy source of the alkaline water electrolysis hydrogen production system, the electric energy source mainly comprises a power grid, renewable energy sources and the like, and the renewable energy sources can realize the intrinsic low carbonization and the carbon-free generation of the whole industrial chain.
At present, renewable energy sources mainly comprise wind power, solar cells and the like, but the renewable energy sources are influenced by climatic environments, have intermittency and instability, such as changes of wind direction and wind speed, changes of sunlight angle and intensity and the like, and therefore, the current entering an electrolysis system fluctuates. According to the current variation characteristics, the typical current variation is mainly that the current oscillates within a small range, so that the working state of an electrolytic cell system has instantaneous high-frequency fluctuation, and the stability and the service life of the electrolytic cell are reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a hybrid hydrogen production system of a coupled supercapacitor and a control method thereof, wherein the hybrid hydrogen production system can ensure the efficient and stable operation of an electrolytic hydrogen production system and improve the energy utilization rate.
The purpose of the invention can be realized by the following technical scheme:
as a first aspect of the present invention, a hybrid hydrogen production system coupled with a supercapacitor is provided, where the hybrid hydrogen production system includes an alkaline electrolysis hydrogen production subsystem, a shunting module, a supercapacitor, and a power generation subsystem; the power generation subsystem is connected with the shunt module; the super capacitor and the alkaline electrolytic hydrogen production subsystem are respectively connected to a shunt module; the shunt module inputs stable current into the alkaline electrolytic hydrogen production subsystem according to whether current fluctuation exceeding a preset threshold exists or not, and inputs fluctuation current into the super capacitor.
As a preferred technical scheme, the alkaline electrolysis hydrogen production subsystem comprises an alkaline electrolysis hydrogen production device and an alkaline membrane electrolysis hydrogen production device; the alkaline water electrolysis hydrogen production device and the alkaline membrane electrolysis hydrogen production device are respectively connected to the shunting module.
As a preferred technical scheme, the alkaline water electrolysis hydrogen production device comprises an alkaline water electrolysis tank, alkaline water circulating equipment and gas-liquid separation equipment; and the alkali liquor circulating equipment and the gas-liquid separating equipment are respectively connected to the alkali liquor electrolytic cell.
As a preferable technical scheme, the alkaline water electrolytic cell is formed by assembling a positive electrode, a negative electrode, a diaphragm and an end plate.
As a preferred technical scheme, the alkaline membrane electrolysis hydrogen production device comprises an alkaline water electrolytic tank, alkaline liquor circulating equipment and gas-liquid separation equipment; and the alkali liquor circulating equipment and the gas-liquid separating equipment are respectively connected to the alkali liquor electrolytic cell.
Preferably, the alkaline water electrolytic cell is assembled by a positive electrode, a negative electrode, an alkaline membrane and an end plate.
As a preferable technical scheme, the number of the alkaline water electrolysis tanks is single or multiple.
As a preferred technical solution, the super capacitor specifically comprises: a high power density energy storage device.
As a preferable technical solution, the super capacitor is an electric double layer super capacitor, a pseudo-capacitor super capacitor or a battery-capacitor hybrid super capacitor.
As a second aspect of the present invention, there is provided a control method for the above-described hybrid hydrogen production system, the control method comprising:
step 1: the power generation subsystem converts renewable energy into direct current and inputs the direct current into the shunt module;
step 2: the shunt module detects the current fluctuation of the output current of the power generation subsystem, the fluctuation current is input into the super capacitor, and the stable current is input into the alkaline electrolysis hydrogen production subsystem;
the shunting module also detects whether the output current of the power generation subsystem meets a preset threshold value, if the output current is lower than the preset threshold value and is stable current, the current is input into the alkaline electrolytic hydrogen production subsystem, and the super capacitor is called to supply power to the alkaline electrolytic hydrogen production subsystem.
Compared with the prior art, the invention has the following beneficial effects:
firstly, ensuring the efficient and stable work of an electrolytic hydrogen production system: when the output current of the power generation subsystem is lower than the minimum current of the electrolysis system, the super capacitor can be used as a power supply to supply power to the electrolysis system, so that the efficient and stable operation of the electrolysis system is ensured; meanwhile, the characteristics of high-frequency fluctuation of power generation of renewable energy sources can be eliminated by arranging the shunting module and the super capacitor, so that the current input into the electrolytic cell is kept in a stable state, and the service life of the alkaline electrolytic cell is obviously prolonged.
Secondly, improving the energy utilization rate: when the current is higher than the rated current of the electrolysis system, the super capacitor can effectively store electric energy, and the utilization rate of the electric energy generated by the renewable energy source power generation is improved.
Drawings
FIG. 1 is a schematic diagram of a hybrid hydrogen production system coupled to a supercapacitor in an embodiment of the invention;
FIG. 2 is another schematic diagram of a hybrid hydrogen production system coupled to a supercapacitor in an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
Fig. 1 and fig. 2 are schematic structural diagrams of a hybrid hydrogen production system coupled with a supercapacitor provided in an embodiment of the present application, and the system comprises: the system comprises an alkaline electrolytic hydrogen production subsystem 1, a shunt module 2, a super capacitor 3 and a power generation subsystem 4. The power generation subsystem 4 is connected with the shunt module 2, the super capacitor 3 and the alkaline electrolysis hydrogen production subsystem 1 are respectively connected with the shunt module 2, the shunt module 2 inputs stable current into the alkaline electrolysis hydrogen production subsystem 1 according to whether current fluctuation exceeding a preset threshold exists or not, and the fluctuation current is input into the super capacitor 3.
Specifically, the alkaline electrolysis hydrogen production subsystem 1 comprises an alkaline water electrolysis hydrogen production device and an alkaline membrane electrolysis hydrogen production device, and the alkaline water electrolysis hydrogen production device and the alkaline membrane electrolysis hydrogen production device are respectively connected to the shunting module.
Optionally, the alkaline water electrolysis hydrogen production device comprises an alkaline water electrolysis cell, an alkaline water circulation device and an air-liquid separation device, wherein the alkaline water circulation device and the air-liquid separation device are respectively connected to the alkaline water electrolysis cell. The alkaline water electrolytic cell is assembled by a positive electrode, a negative electrode, a diaphragm and an end plate, and common hydrogen production capacity comprises, but is not limited to, 200Nm3/h, 500Nm3/h, 800Nm3/h, 1000Nm3/h, 1500Nm3/h, 3000Nm3/h and the like.
Optionally, the alkaline membrane electrolytic hydrogen production device comprises an alkaline water electrolytic cell, an alkaline water circulation device and an air-liquid separation device, wherein the alkaline water circulation device and the air-liquid separation device are respectively connected to the alkaline water electrolytic cell. The alkaline water electrolytic cell is assembled by a positive electrode, a negative electrode, an alkaline membrane and an end plate. Common hydrogen-generating capabilities include, but are not limited to, 50Nm3/h, 100Nm3/h, 200Nm3/h, 500Nm3/h, and the like.
Optionally, the number of the alkaline water electrolysis cells is single or multiple.
Specifically, the super capacitor 3 specifically includes: a high power density energy storage device. An electric double layer supercapacitor, a pseudo-capacitor supercapacitor or a battery-capacitor hybrid supercapacitor may be selected.
Optionally, the power generation subsystem in this embodiment includes a wind power generation device and a solar power generation device, an output current of the wind power generation device is converted into a direct current by an AC-DC converter and then is input to the shunt module 2, and an output current of the solar power generation device is converted into a direct current by a DC-DC converter and then is input to the shunt module 2.
The above is a description of system embodiments, and the following is a further description of the solution of the present invention by way of method embodiments.
A control method using the hybrid hydrogen production system, comprising:
step 1: the power generation subsystem converts renewable energy into direct current and inputs the direct current into the shunt module;
step 2: the shunt module detects the current fluctuation of the output current of the power generation subsystem, the fluctuation current is input into the super capacitor, and the stable current is input into the alkaline electrolysis hydrogen production subsystem;
the shunting module also detects whether the output current of the power generation subsystem meets a preset threshold value, if the output current is lower than the preset threshold value and is stable current, the current is input into the alkaline electrolytic hydrogen production subsystem, and the super capacitor is called to supply power to the alkaline electrolytic hydrogen production subsystem;
the preset current threshold specifically comprises: the lowest working current of the electrolytic cell.
Two specific examples of applications are provided below to determine the effectiveness of the above-described hydrogen production system and control method:
aiming at the characteristic that the current density generated by the power generation of renewable energy sources is intermittent, a hybrid hydrogen production system coupling an alkaline electrolysis system and a super capacitor is provided, wherein the alkaline electrolysis system is an alkaline water electrolysis system, the rated power is 5MW, the hydrogen production efficiency is 1000Nm3/h, and the rated current is 6000A; the super capacitor is a double electric layer capacitor with the rated power of 0.5 MW. When the current input of the power generation end of the renewable energy source is 8000A, the instantaneous current fluctuates by plus or minus 100A, 6000A stable current is used for hydrogen production of an electrolysis system through current distribution, 2000A charges the super capacitor, and the renewable energy source is consumed by high-frequency charge and discharge of the super capacitor to generate the instantaneous current fluctuation in the process.
Aiming at the characteristic that the current density generated by the power generation of the renewable energy source has intermittency, the hybrid hydrogen production system of the coupling alkaline electrolysis system and the super capacitor is provided, wherein the alkaline electrolysis system is an alkaline water electrolysis system, the rated power is 5MW, the hydrogen production efficiency is 1000Nm3/h, and the rated current is 6000A; the super capacitor is a double electric layer capacitor with the rated power of 0.5 MW. When the current input of the power generation end of the renewable energy source is 1000A, the instantaneous current fluctuates by plus or minus 50A, the working input current of the electrolysis system for generating hydrogen is stabilized at 1200A (the lowest working current) through current distribution, wherein the current of 200A is provided by the super capacitor, and the instantaneous current fluctuation is generated by the renewable energy source which is consumed by high-frequency charge and discharge of the super capacitor in the process.
The two application examples show that the mixed hydrogen production system provided by the embodiment can effectively ensure the stable operation of alkaline electrolysis hydrogen production sub-state.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A hybrid hydrogen production system coupled with a super capacitor is characterized by comprising an alkaline electrolysis hydrogen production subsystem, a shunting module, the super capacitor and a power generation subsystem; the power generation subsystem is connected with the shunt module; the super capacitor and the alkaline electrolytic hydrogen production subsystem are respectively connected to a shunt module; the shunt module inputs stable current into the alkaline electrolytic hydrogen production subsystem according to whether current fluctuation exceeding a preset threshold exists or not, and inputs fluctuation current into the super capacitor.
2. The hybrid hydrogen production system coupled with the supercapacitor according to claim 1, wherein the alkaline electrolysis hydrogen production subsystem comprises an alkaline electrolysis hydrogen production device and an alkaline membrane electrolysis hydrogen production device; the alkaline water electrolysis hydrogen production device and the alkaline membrane electrolysis hydrogen production device are respectively connected to the shunt module.
3. The hybrid hydrogen production system coupled with the supercapacitor as claimed in claim 2, wherein the alkaline water electrolysis hydrogen production device comprises an alkaline water electrolysis tank, an alkaline water circulation device and a gas-liquid separation device; and the alkali liquor circulating equipment and the gas-liquid separating equipment are respectively connected to the alkali liquor electrolytic cell.
4. The hybrid hydrogen production system of a coupled supercapacitor according to claim 3, wherein the alkaline water electrolyzer is assembled from positive and negative electrodes, a separator and an end plate.
5. The hybrid hydrogen production system coupled with the supercapacitor as claimed in claim 2, wherein the alkaline membrane electrolysis hydrogen production device comprises an alkaline water electrolysis tank, an alkaline water circulation device and a gas-liquid separation device; and the alkali liquor circulating equipment and the gas-liquid separating equipment are respectively connected to the alkali liquor electrolytic cell.
6. The hybrid hydrogen production system of a coupled supercapacitor according to claim 5, wherein the alkaline water electrolyzer is assembled from positive and negative electrodes, an alkaline membrane and an end plate.
7. The hybrid hydrogen production system for coupled supercapacitors according to claim 3 or 5, wherein the number of alkaline water electrolysis cells is single or multiple.
8. The hybrid hydrogen production system of a coupled supercapacitor according to claim 1, wherein the supercapacitor is specifically: a high power density energy storage device.
9. The hybrid hydrogen production system for coupling a supercapacitor according to claim 8, wherein the supercapacitor is an electric double layer supercapacitor, a pseudocapacitive supercapacitor or a hybrid battery-capacitor supercapacitor.
10. A control method for the hybrid hydrogen production system of claim 1, wherein the control method comprises:
step 1: the power generation subsystem converts renewable energy into direct current and inputs the direct current into the shunt module;
step 2: the shunt module detects the current fluctuation of the output current of the power generation subsystem, the fluctuation current is input into the super capacitor, and the stable current is input into the alkaline electrolysis hydrogen production subsystem;
the shunting module also detects whether the output current of the power generation subsystem meets a preset threshold value, if the output current is lower than the preset threshold value and is stable current, the current is input into the alkaline electrolytic hydrogen production subsystem, and the super capacitor is called to supply power to the alkaline electrolytic hydrogen production subsystem.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610772.1A CN115011969A (en) | 2022-05-31 | 2022-05-31 | Hybrid hydrogen production system of coupled super capacitor and control method thereof |
| PCT/CN2022/126235 WO2023231274A1 (en) | 2022-05-31 | 2022-10-19 | Hybrid hydrogen production system coupled with supercapacitor, and control method therefor |
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| CN202210610772.1A CN115011969A (en) | 2022-05-31 | 2022-05-31 | Hybrid hydrogen production system of coupled super capacitor and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023231274A1 (en) * | 2022-05-31 | 2023-12-07 | 同济大学 | Hybrid hydrogen production system coupled with supercapacitor, and control method therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020103453A4 (en) * | 2020-11-16 | 2021-01-28 | Yangzhou University | A hydrogen production device for solar photovoltaic electrolysis water |
| CN114395775A (en) * | 2022-01-30 | 2022-04-26 | 华中科技大学 | Closed clean energy hydrogen production energy storage system |
| CN114447968A (en) * | 2022-01-10 | 2022-05-06 | 中国长江三峡集团有限公司 | Large-scale photovoltaic electrolyzed water hydrogen production system and method utilizing hybrid energy storage device |
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| CN105140970A (en) * | 2015-08-03 | 2015-12-09 | 浙江大学 | Topological structure of wind-hydrogen-water-electricity hybrid energy system and control method of wind-hydrogen-water-electricity hybrid energy system |
| CN115011969A (en) * | 2022-05-31 | 2022-09-06 | 同济大学 | Hybrid hydrogen production system of coupled super capacitor and control method thereof |
| CN115094433A (en) * | 2022-05-31 | 2022-09-23 | 同济大学 | Hybrid hydrogen production system for coupling electrochemical power supply and super capacitor and control method |
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- 2022-10-19 WO PCT/CN2022/126235 patent/WO2023231274A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020103453A4 (en) * | 2020-11-16 | 2021-01-28 | Yangzhou University | A hydrogen production device for solar photovoltaic electrolysis water |
| CN114447968A (en) * | 2022-01-10 | 2022-05-06 | 中国长江三峡集团有限公司 | Large-scale photovoltaic electrolyzed water hydrogen production system and method utilizing hybrid energy storage device |
| CN114395775A (en) * | 2022-01-30 | 2022-04-26 | 华中科技大学 | Closed clean energy hydrogen production energy storage system |
Non-Patent Citations (1)
| Title |
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| RUIMING FANG等: "Control strategy of electrolyzer in a wind一hydrogen system considering the constraints of switching times" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231274A1 (en) * | 2022-05-31 | 2023-12-07 | 同济大学 | Hybrid hydrogen production system coupled with supercapacitor, and control method therefor |
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