CN114395775A - Closed clean energy hydrogen production energy storage system - Google Patents
Closed clean energy hydrogen production energy storage system Download PDFInfo
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- CN114395775A CN114395775A CN202210113653.5A CN202210113653A CN114395775A CN 114395775 A CN114395775 A CN 114395775A CN 202210113653 A CN202210113653 A CN 202210113653A CN 114395775 A CN114395775 A CN 114395775A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 77
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 77
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000004146 energy storage Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 210000005056 cell body Anatomy 0.000 claims abstract description 125
- 239000000446 fuel Substances 0.000 claims abstract description 93
- 210000004027 cell Anatomy 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000001301 oxygen Substances 0.000 claims abstract description 40
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 40
- 238000010248 power generation Methods 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 10
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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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- 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
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/023—Measuring, analysing or testing during electrolytic production
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention belongs to the technical field of new energy utilization, and particularly discloses a closed clean energy hydrogen production and energy storage system which comprises a clean energy power generation module, an electrolytic cell module and a fuel cell module; the clean energy power generation module is connected with the electrolytic cell module and is used for converting clean energy into electric energy to be used by the electrolytic cell module; the electrolytic cell module comprises an electrolytic cell body; the fuel cell module comprises a fuel cell body, a fuel cell module and a control module, wherein the fuel cell body is used for converting chemical energy into electric energy for being utilized by an external load; the electrolytic cell body is connected with the fuel cell body to form a circulation loop, so that the electrolytic cell body can provide hydrogen and oxygen for the reaction of the fuel cell body, and water generated by the reaction of the fuel cell body can flow back to the electrolytic cell body for the electrolysis of the electrolytic cell body; when the system works, only clean energy needs to be input into the system, and extra supply and discharge are not needed. The system of the invention forms closed circulation of substances, and realizes zero emission; meanwhile, the defect of large power generation volatility of clean energy is overcome, and the power supply stability is improved.
Description
Technical Field
The invention belongs to the technical field of new energy utilization, and particularly relates to a closed clean energy hydrogen production and energy storage system.
Background
The high-efficiency utilization of clean energy is one of important ways for realizing the aims of carbon peak reaching and carbon neutralization in China. The power generation technology of clean energy such as solar energy, wind energy and the like is relatively mature, the commercialization of key parts is realized, but the power generation process of the power generation device has obvious intermittency and instability, is inconvenient to surf the internet, and is greatly influenced by the environment when being used on a large scale. The water electrolytic cell adopts a proton exchange membrane electrolytic cell, also called a solid polymer electrolyte electrolytic cell. The water electrolysis is a clean and environment-friendly hydrogen production technology and has the characteristics of high efficiency, high hydrogen purity, no pollution and the like. The fuel cell directly generates electric energy through the electrochemical reaction of hydrogen and oxygen, the system efficiency is not limited by Carnot cycle, and the reaction product is only water, thus being a high-efficiency and clean generating set. The hydrogen and energy storage is realized by clean energy, the fuel cell power generation technology is combined, the defect of large power generation fluctuation of clean energy such as solar energy, wind energy and the like can be overcome, the power supply stability is improved, and the efficient utilization of the clean energy is realized.
Chinese patent document CN113410494A discloses a photovoltaic energy supply system and method based on renewable fuel cells, which includes a photovoltaic module, a dc-dc converter, the dc-dc converter is respectively connected to the photovoltaic module, an electricity storage module, the renewable fuel cell module and the dc-ac converter, and the dc-ac converter is connected to an electricity load. The DC-DC converter can independently control the on-off of the connected equipment, and the electric energy required by using the electric load is provided by a photovoltaic module, an electric storage module, a renewable fuel cell module or a combination of the photovoltaic module and the electric storage module. The invention can store energy by electrolyzing water to produce hydrogen when solar radiation is sufficient, and uses hydrogen fuel cell to generate electricity when solar radiation is absent. However, this system has the following problems: 1) the electrolytic hydrogen production and the fuel cell power generation can not work simultaneously, and the system efficiency can be influenced; 2) the system adopts an open hydrogen fuel cell, needs external air input in the working process of the fuel cell stack, and is limited to be used in the environment with poor air condition.
Chinese patent document CN110690855A discloses a novel net zero energy consumption building energy system based on hydrogen energy storage, which connects a solar photovoltaic panel with a hydrogen energy storage unit including a PEM electrolytic cell and a SOFC fuel cell through a converter, wherein a part of the electricity generated by the solar photovoltaic panel is used for electrolyzing water to produce hydrogen, and the hydrogen is stored and used for generating electricity through the reaction of the SOFC fuel cell in cloudy days or at night, so as to solve the problems of intermittence and fluctuation of the solar photovoltaic power generation system. However, this energy system is also provided with a hydrogen supply device for supplying hydrogen to the SOFC fuel cell during continuous rainy days to generate electricity.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a closed clean energy hydrogen production and energy storage system, and aims to solve the problem that the conventional energy supply system needs to be additionally supplemented with materials on the basis of inputting clean energy to completely solve the problems of intermittence and fluctuation in the utilization process of the clean energy.
In order to achieve the aim, the invention provides a closed clean energy hydrogen production and energy storage system, which comprises a clean energy power generation module, an electrolytic cell module and a fuel cell module;
the clean energy power generation module is connected with the electrolytic cell module and is used for converting clean energy into electric energy to be used by the electrolytic cell module;
the electrolytic cell module comprises an electrolytic cell body for electrolyzing water to produce hydrogen and oxygen;
the fuel cell module comprises a fuel cell body, a hydrogen generator and a fuel cell module, wherein the fuel cell body is used for converting chemical energy generated by reaction of hydrogen and oxygen into electric energy for being utilized by an external load;
the electrolytic cell body is connected with the fuel cell body to form a circulation loop, so that the electrolytic cell body can provide hydrogen and oxygen for the reaction of the fuel cell body, and water generated by the reaction of the fuel cell body can flow back to the electrolytic cell body for electrolysis;
when the system works, the high-efficiency utilization of the clean energy can be realized only by inputting the clean energy into the system and without additional supply and discharge.
Preferably, the clean energy power generation module includes a clean energy power generation device and a power conversion device, the clean energy power generation device is connected with the electrolytic cell body through the power conversion device, and the power conversion device includes a DC/DC converter or an AC/DC converter.
Preferably, the clean energy power generation apparatus includes at least one of a photovoltaic panel and a wind power generator.
Preferably, the clean energy power generation module further comprises a shunt, an input end of the shunt is connected with the power conversion device, and an output end of the shunt is respectively connected with the electrolytic cell body and the electric energy storage device.
Preferably, the electrolytic cell module further comprises a hydrogen storage tank and an oxygen storage tank, the cathode of the electrolytic cell body is connected with the anode of the fuel cell body through the hydrogen storage tank to convey hydrogen, and a first pressure device is arranged on a pipeline connecting the hydrogen storage tank and the electrolytic cell body; the anode of the electrolytic cell body is connected with the cathode of the fuel cell body through the oxygen storage tank to convey oxygen, and a second supercharging device is arranged on a pipeline connecting the oxygen storage tank with the electrolytic cell body.
Preferably, a first electromagnetic valve is arranged on a pipeline connecting the hydrogen storage tank and the fuel cell body, and a second electromagnetic valve is arranged on a pipeline connecting the oxygen storage tank and the fuel cell body.
Preferably, the system further comprises a control module, wherein the control module comprises a controller, and a control end of the controller is electrically connected with the shunt.
Preferably, the control module further comprises a first pressure sensor and a second pressure sensor, the first pressure sensor is arranged on the hydrogen storage tank and electrically connected with the input end of the controller, and the second pressure sensor is arranged on the oxygen storage tank and electrically connected with the input end of the controller.
Preferably, the fuel cell module further comprises a water storage tank, a water return channel is connected between the fuel cell body and the electrolytic cell body, and the water storage tank is arranged on the water return channel, so that an inlet of the water storage tank is communicated with the fuel cell body, and an outlet of the water storage tank is communicated with the electrolytic cell body.
Preferably, the fuel cell module further comprises a cooling water tank connected to the fuel cell body for supplying cooling water to the fuel cell body.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
(1) the closed clean energy hydrogen production energy storage system realizes closed substance circulation and zero discharge through the circulation loop between the electrolytic cell and the fuel cell, can obtain stably output electric energy for utilization only by inputting clean energy such as solar energy, wind energy and the like, overcomes the defects of intermittent generation and high fluctuation of clean energy, greatly improves the stability of power supply, and is particularly suitable for being used in environments with severe air conditions and water resource shortage. For example, in an environment with harsh air conditions, air is used as a reaction raw material of the fuel cell, and impurities in the air can seriously affect the performance of the fuel cell, but the operation cost is increased by directly introducing pure oxygen into the fuel cell; when the fuel cell is in an environment with deficient water resources, no way is available for directly providing water resources for the electrolytic cell, the invention effectively utilizes the water generated by the fuel cell to supply the water for reaction of the electrolytic cell, overcomes the problem of water shortage and realizes reasonable cyclic utilization; if the seawater is positioned in high salinity areas such as islands, the seawater needs to be desalinated to be used for the reaction of the electrolytic cell, so the cost is greatly increased.
(2) The energy storage system is provided with the shunt, the controller and the sensors, so that the running state of the system is monitored and controlled, resources are reasonably distributed, the energy storage system can run more stably, the reliability is improved, and the cost is saved.
Drawings
Fig. 1 is a schematic diagram of a closed clean energy hydrogen production and energy storage system provided by an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The clean energy, namely green energy, refers to energy which does not discharge pollutants and can be directly used for production and life, such as solar energy, biological energy, hydrogen energy, wind energy, ocean energy, geothermal energy, hydroenergy and the like.
The invention provides a closed clean energy hydrogen production and energy storage system which comprises a clean energy power generation module, an electrolytic cell module and a fuel cell module.
The clean energy power generation module is connected with the electrolytic cell module and is used for converting clean energy into electric energy to be used by the electrolytic cell module; the electrolytic cell module comprises an electrolytic cell body, wherein water electrolysis reaction occurs in the electrolytic cell body to generate hydrogen and oxygen; the fuel cell module comprises a fuel cell body, wherein the fuel cell body is connected with a load and is used for converting chemical energy generated by the reaction of hydrogen and oxygen into electric energy for the load to utilize;
the electrolytic cell body is connected with the fuel cell body to form a circulation loop, specifically, material circulation is realized between the electrolytic cell body and the fuel cell body through a gas channel and a water backflow channel, a cathode of the electrolytic cell body is connected with an anode of the fuel cell body so as to provide hydrogen generated by electrolytic reaction in the electrolytic cell body for the fuel cell body to react, and the anode of the electrolytic cell body is connected with the cathode of the fuel cell body so as to provide oxygen generated by electrolytic reaction in the electrolytic cell body for the fuel cell body to react; the fuel cell body reflows water generated by the reaction of the fuel cell body to the electrolytic cell body through the water backflow channel for the electrolysis of the electrolytic cell body.
In the invention, the integrity of the system ensures that the system can obtain stably output electric energy for utilization only by inputting clean energy such as solar energy, wind energy and the like without additionally supplementing materials when in work, and simultaneously, zero emission is realized. The closed system can be used in sunlight, windy environment and other environments capable of being used for clean energy power generation, is particularly suitable for environments with severe air conditions and deficient water resources, and is stable in power supply.
The clean energy power generation module comprises a clean energy power generation device and a power conversion device, wherein the clean energy power generation device comprises but is not limited to a solar photovoltaic panel and/or a wind driven generator, and the clean energy power generation module is low in cost and high in applicability. The clean energy power generation device is connected with the electrolytic cell body through the power conversion device, and the power conversion device can transform the electricity generated by the clean energy power generation device to the voltage required by the electrolysis of the electrolytic cell body. Specifically, when the clean energy power generation device is a solar photovoltaic panel, the power conversion device is a DC/DC (direct current to direct current) converter; when the clean energy power generation device is a wind driven generator, an AC/DC (alternating current to direct current) converter is required.
In some embodiments, the clean energy power generation module further includes a shunt, an input end of the shunt is connected to the power conversion device, an output end of the shunt is connected to the electrolytic cell body and the electrical energy storage device, respectively, and the electrical energy storage device may be a storage battery. The current stabilized by the power conversion device passes through the shunt, one part of the current is introduced into the electrolytic cell body for water electrolysis reaction, and the other part of the current flows into the electric energy storage device to supply power for electric control components in the system, such as a sensor, a valve, a water pump and the like.
In some embodiments, the electrolytic cell module further includes a hydrogen storage tank and an oxygen storage tank, the cathode of the electrolytic cell body is connected to the anode of the fuel cell body through the hydrogen storage tank, a first pressurization device is disposed on a pipeline connecting the hydrogen storage tank and the electrolytic cell body, and further, a first electromagnetic valve is disposed on a pipeline connecting the hydrogen storage tank and the fuel cell body, so that hydrogen generated by the cathode of the electrolytic cell body enters the hydrogen storage tank for storage after being pressurized, and then is supplied to the anode of the fuel cell body at a certain pressure through the first electromagnetic valve. Similarly, the anode of the electrolytic cell body is connected with the cathode of the fuel cell body through the oxygen storage tank, a second pressurizing device is arranged on a pipeline connecting the oxygen storage tank and the electrolytic cell body, and further, a second electromagnetic valve is arranged on a pipeline connecting the oxygen storage tank and the fuel cell body, so that oxygen generated by the anode of the electrolytic cell body enters the oxygen storage tank for storage after being pressurized, and then is supplied to the cathode of the fuel cell body through the second electromagnetic valve at a certain pressure. The supercharging device here may in particular be a gas booster pump.
The fuel cell module further comprises a water storage tank, the water storage tank is arranged on the water backflow channel between the fuel cell body and the electrolytic cell body, so that an inlet of the water storage tank is communicated with the fuel cell body, and an outlet of the water storage tank is communicated with the electrolytic cell body. Further, a third electromagnetic valve can be arranged on a pipeline connecting the water storage tank and the electrolytic cell body to control the flow of the backflow water entering the electrolytic cell body.
In the invention, the clean energy hydrogen production and energy storage system can further comprise a control module, the control module comprises a controller, and the control end of the controller is electrically connected with the shunt so as to control the shunt to distribute the electric energy converted from the clean energy after voltage transformation. The control module can also comprise a first pressure sensor and a second pressure sensor, the first pressure sensor is arranged on the hydrogen storage tank and electrically connected with the input end of the controller, the second pressure sensor is arranged on the oxygen storage tank and electrically connected with the input end of the controller, the first pressure sensor detects the pressure in the hydrogen storage tank, the second pressure sensor detects the pressure in the oxygen storage tank and feeds back the pressure to the controller, the controller controls whether the current is distributed to the electrolytic cell body through the control shunt or not, and controls the current supplied to the electrolytic cell body, so as to control the running state of the electrolytic cell body. When the pressure in the hydrogen storage tank or the oxygen storage tank is detected to be insufficient, the controller controls the electrolytic cell body to continue to operate; when the pressure in the hydrogen storage tank or the oxygen storage tank is detected to be sufficient, the controller can be utilized to control the electrolytic cell body to stop running so as to save energy.
In some embodiments, a separate cooling water tank is further connected to the fuel cell body for supplying cooling water to the fuel cell body so that the fuel cell body operates at a stable efficiency.
The above technical solution is described in detail below with reference to specific examples.
In this embodiment, the clean energy hydrogen production and energy storage system takes solar energy as an example for power generation, and please refer to fig. 1, the system includes a photovoltaic panel 1, a DC/DC converter 2, a current divider 3, a storage battery 4, an electrolytic cell body 5, a first booster pump 6, a second booster pump 7, a hydrogen storage tank 8, an oxygen storage tank 9, a first electromagnetic valve 10, a second electromagnetic valve 11, a fuel cell body 12, a load 13, a water storage tank 14, a cooling water tank 15, a controller 16, a first pressure sensor 17, and a second pressure sensor 18.
Solar energy enters a photovoltaic panel 1 to generate electricity, the electricity is stabilized through a DC/DC power conversion device 2 and is divided through a current divider 3, a part of current is supplied to a storage battery 4 to supply power for electric control components in the system such as a sensor, a valve, a water pump and the like, and the other part of current is introduced into an electrolytic cell body 5 to carry out water electrolysis; after the electrolytic cell body 5 electrolyzes water, the generated hydrogen and oxygen are respectively pressurized by the first booster pump 6 and the second booster pump 7 and then enter the hydrogen storage tank 8 and the oxygen storage tank 9 for storage; the generated high-pressure hydrogen and oxygen are respectively supplied to the fuel cell body 12 through the first electromagnetic valve 10 and the second electromagnetic valve 11 at a certain pressure, so that the fuel cell body 12 works to supply power to an external load 13; the water generated by the reaction of the fuel cell body 12 flows into the water storage tank 14 through the water return channel to be stored, and then flows back to the electrolytic cell body 5 to be electrolyzed. The closed cooling water tank 15 supplies cooling water to the fuel cell body 12, so that the fuel cell body 12 operates at a stable efficiency.
The first pressure sensor 17 and the second pressure sensor 18 are respectively used for monitoring the pressure in the hydrogen storage tank 8 and the oxygen storage tank 9 and feeding the pressure values back to the controller 16, and the controller 16 controls whether to supply power to the electrolytic cell body 5 and the current magnitude of the power supply to the electrolytic cell body 5 through the current divider 3. The electrolytic cell body 5 electrolyzes water to generate hydrogen and oxygen, the hydrogen and oxygen are supplied to the fuel cell body 12 to perform an electrochemical reaction, and the generated water is supplied again to the electrolytic cell body 5 through the water circulation passage to achieve a closed circulation of the substance.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A closed clean energy hydrogen production energy storage system is characterized in that: the system comprises a clean energy power generation module, an electrolytic cell module and a fuel cell module;
the clean energy power generation module is connected with the electrolytic cell module and is used for converting clean energy into electric energy to be used by the electrolytic cell module;
the electrolytic cell module comprises an electrolytic cell body for electrolyzing water to produce hydrogen and oxygen;
the fuel cell module comprises a fuel cell body, a hydrogen generator and a fuel cell module, wherein the fuel cell body is used for converting chemical energy generated by reaction of hydrogen and oxygen into electric energy for being utilized by an external load;
the electrolytic cell body is connected with the fuel cell body to form a circulation loop, so that the electrolytic cell body can provide hydrogen and oxygen for the reaction of the fuel cell body, and water generated by the reaction of the fuel cell body can flow back to the electrolytic cell body for electrolysis;
when the system works, the high-efficiency utilization of the clean energy can be realized only by inputting the clean energy into the system and without additional supply and discharge.
2. The closed clean energy hydrogen production and energy storage system according to claim 1, characterized in that: the clean energy power generation module comprises a clean energy power generation device and a power conversion device, the clean energy power generation device is connected with the electrolytic cell body through the power conversion device, and the power conversion device comprises a DC/DC converter or an AC/DC converter.
3. The closed clean energy hydrogen production and energy storage system according to claim 2, characterized in that: the clean energy power generation device comprises at least one of a photovoltaic panel and a wind driven generator.
4. The closed clean energy hydrogen production and energy storage system according to claim 2, characterized in that: the clean energy power generation module further comprises a shunt, the input end of the shunt is connected with the power conversion device, and the output end of the shunt is respectively connected with the electrolytic cell body and the electric energy storage device.
5. The closed clean energy hydrogen production and energy storage system according to claim 4, characterized in that: the electrolytic cell module also comprises a hydrogen storage tank and an oxygen storage tank, the cathode of the electrolytic cell body is connected with the anode of the fuel cell body through the hydrogen storage tank to convey hydrogen, and a first pressurizing device is arranged on a pipeline connecting the hydrogen storage tank and the electrolytic cell body; the anode of the electrolytic cell body is connected with the cathode of the fuel cell body through the oxygen storage tank to convey oxygen, and a second supercharging device is arranged on a pipeline connecting the oxygen storage tank with the electrolytic cell body.
6. The closed clean energy hydrogen production and energy storage system according to claim 5, characterized in that: the pipeline connecting the hydrogen storage tank and the fuel cell body is provided with a first electromagnetic valve, and the pipeline connecting the oxygen storage tank and the fuel cell body is provided with a second electromagnetic valve.
7. The closed clean energy hydrogen production and energy storage system according to claim 5, characterized in that: still include control module, control module includes the controller, the control end of controller with shunt electric connection.
8. The closed clean energy hydrogen production and energy storage system according to claim 7, characterized in that: the control module further comprises a first pressure sensor and a second pressure sensor, the first pressure sensor is arranged on the hydrogen storage tank and electrically connected with the input end of the controller, and the second pressure sensor is arranged on the oxygen storage tank and electrically connected with the input end of the controller.
9. The closed clean energy hydrogen production and energy storage system according to claim 1, characterized in that: the fuel cell module further comprises a water storage tank, a water backflow channel is connected between the fuel cell body and the electrolytic cell body, and the water storage tank is arranged on the water backflow channel, so that an inlet of the water storage tank is communicated with the fuel cell body, and an outlet of the water storage tank is communicated with the electrolytic cell body.
10. The closed clean energy hydrogen production and energy storage system according to any one of claims 1 to 9, characterized in that: the fuel cell module further comprises a cooling water tank, and the cooling water tank is connected with the fuel cell body and used for providing cooling water for the fuel cell body.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114628747A (en) * | 2022-05-12 | 2022-06-14 | 青岛科技大学 | Fuel cell system for marine ship based on online seawater hydrogen production and application thereof |
| CN114990601A (en) * | 2022-06-13 | 2022-09-02 | 潍柴动力股份有限公司 | Electric energy storage method and device |
| CN115011969A (en) * | 2022-05-31 | 2022-09-06 | 同济大学 | Hybrid hydrogen production system of coupled super capacitor and control method thereof |
| CN116613358A (en) * | 2023-05-08 | 2023-08-18 | 清华大学 | Closed high-pressure water electrolysis hydrogen production energy storage system |
| CN117155268A (en) * | 2023-10-27 | 2023-12-01 | 海南深远海新能源科技有限公司 | Open-air electricity generation and hydrogen-rich water generation device |
| CN117375103A (en) * | 2023-10-07 | 2024-01-09 | 佛山日隆能源科技有限公司 | Hydrogen-electricity fusion energy assembly device |
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