CN117070974A - Proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system and working method - Google Patents
Proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system and working method Download PDFInfo
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- 239000012528 membrane Substances 0.000 title claims abstract description 85
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000001257 hydrogen Substances 0.000 title claims abstract description 39
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 39
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 title claims abstract description 11
- 238000010168 coupling process Methods 0.000 title claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 159
- 238000001816 cooling Methods 0.000 claims abstract description 66
- 238000009413 insulation Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 8
- 210000004027 cell Anatomy 0.000 description 88
- 239000008367 deionised water Substances 0.000 description 17
- 229910021641 deionized water Inorganic materials 0.000 description 17
- 239000003054 catalyst Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000013626 chemical specie Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010409 thin film Substances 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
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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
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/021—Process control or regulation of heating or cooling
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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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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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
- 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
- C25B9/67—Heating or cooling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S2020/10—Solar modules layout; Modular arrangements
- F24S2020/17—Arrangements of solar thermal modules combined with solar PV modules
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Abstract
The invention discloses a proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system and a working method thereof, belonging to the hydrogen production technology. According to the method, a solar cell, a frequency division heat collector, a cooling heat exchange tank and a proton exchange membrane cell are coupled together, the frequency division heat collector is connected with a high-temperature water storage tank and used for storing solar heat, the cooling heat exchange tank is communicated with a low-temperature water storage tank and used for reducing the heat of the solar cell at the upper part of the low-temperature water storage tank.
Description
Technical Field
The invention belongs to the technical field of hydrogen production, and particularly relates to a proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system and a working method thereof.
Background
The conversion of solar energy into free energy of chemical species allows one to mitigate fluctuations in solar radiation by achieving long term energy storage and to overcome spatial maldistribution of solar energy by remote transportation, thus achieving a wide range of renewable energy economies. The simplest, most widely studied chemical species for energy storage is hydrogen, which can be produced by water splitting. Direct conversion of solar energy to hydrogen using Photoelectrochemical (PEC) methods is a very promising solution for sustainable energy economy.
Photovoltaic power generation technology is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. Representative solar cells include silicon-based solar cells, thin film compound solar cells, and third generation novel solar cells. The proton exchange membrane water electrolysis technology is to generate hydrogen and oxygen through electrolysis water, and the two sides of the proton exchange membrane are respectively provided with a cathode catalyst layer and an anode catalyst layer. Proton exchange membrane water electrolysis technology has the most prospect in various water electrolysis technologies at present.
The photovoltaic power generation technology is combined with the proton exchange membrane water electrolysis technology, and is widely adopted in the current photovoltaic hydrogen production, but the problems of direct current-direct current converter loss, ohmic (cable and conductor) loss, maximum power point tracker loss, thermalization and low-energy photon absorption loss exist, and the manufacturing cost is high and the structure is complex.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system and a working method thereof, so as to solve the problems of high loss of a direct current-direct current converter, high ohmic loss, high manufacturing cost of a proton exchange membrane electrolysis water cell and complex structure in the prior art.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system comprises a frequency division heat collection tank, a solar cell is arranged below the frequency division heat collection tank, and a gap is reserved between the solar cell and the frequency division heat collection tank;
the solar cell is arranged at the upper part of the cooling heat exchange tank, the cooling heat exchange tank is arranged above the proton exchange membrane electrolytic cell, a heat tank is arranged between the lower end surface of the cooling heat exchange tank and the upper end surface of the proton exchange membrane battery, and the heat tank is a heat exchange tank or a heat insulation tank;
the frequency division heat collection tank is communicated with a high-temperature water storage tank, and the cooling heat exchange tank is communicated with a low-temperature water storage tank.
The invention further improves that:
preferably, the frequency division heat collection groove comprises a shell, two layers of quartz glass are arranged in the shell, the two layers of quartz glass and the shell form a frequency division heat collection chamber, and the frequency division heat collection chamber is communicated with the high-temperature water storage groove.
Preferably, the solar cell is attached to the upper portion of the cooling heat exchange tank.
Preferably, when the heat tank is a heat exchange tank, water flows into the heat tank; when the heat tank is a heat insulation tank, the heat tank is filled with air.
Preferably, the proton exchange membrane electrolytic cell comprises an anode water supply area, a membrane electrode and a cathode hydrogen flow passage which are sequentially arranged from top to bottom.
Preferably, the internal flow passage of the cooling heat exchange groove is a serpentine flow passage or other flow passages.
Preferably, the solar cell is connected with the proton exchange membrane electrolytic cell through a spring thimble.
Preferably, the heat conduction performance of the material of the upper end face of the cooling heat exchange groove is larger than that of the material of the side wall.
The working method of the proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system comprises the following three conditions:
when the ambient temperature is low, one end of the frequency division heat collection tank is communicated with the proton exchange membrane electrolytic cell, and one end of the high-temperature water storage tank is communicated with the proton exchange membrane electrolytic cell; the heat exchange liquid flows into the frequency division heat collection tank from the high-temperature water storage tank, flows into the proton exchange membrane electrolytic cell from the frequency division heat collection tank, and flows into the high-temperature water storage tank from the proton exchange membrane electrolytic cell; the heat exchange liquid flows into the cooling heat exchange tank from the low-temperature water storage tank, and flows back into the low-temperature water storage tank from the cooling heat exchange tank;
when the ambient temperature is medium temperature, the proton exchange membrane battery is communicated with an electrolytic cell water supply tank; the heat exchange liquid flows into the frequency division heat collection tank from the high-temperature water storage tank, and flows back into the high-temperature water storage tank from the frequency division heat collection tank; the heat exchange liquid flows into the cooling heat exchange tank from the low-temperature water storage tank, and flows into the low-temperature water outlet tank from the cooling heat exchange tank; water flows into the proton exchange membrane cell from the electrolytic cell water supply tank, and flows back into the electrolytic cell water supply tank from the proton exchange membrane cell;
when the ambient temperature is high, the cooling heat exchange tank is communicated with the proton exchange membrane battery, and the proton exchange membrane battery is communicated with the low-temperature water storage tank; the heat exchange liquid flows into the frequency division heat collection tank from the high-temperature water storage tank, and flows back into the high-temperature water storage tank from the frequency division heat collection tank; the heat exchange liquid flows into the cooling heat exchange tank from the low-temperature water storage tank, flows into the proton exchange membrane battery from the cooling heat exchange tank, and flows back into the high-temperature water storage tank from the proton exchange membrane battery.
Preferably, when the ambient temperature is low temperature and medium temperature, the low temperature water storage tank and the cooling heat exchange tank are provided with radiators so far;
when the ambient temperature is high, a radiator is arranged between the proton exchange membrane battery and the high-temperature water storage tank.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system and a working method, wherein a solar cell, a frequency division heat collector, a cooling heat exchange tank and a proton exchange membrane cell are coupled together, the frequency division heat collector tank is connected with a high-temperature water storage tank and used for storing solar heat, the cooling heat exchange tank is communicated with a low-temperature water storage tank 13 and used for reducing the heat of the solar cell at the upper part of the low-temperature water storage tank. The invention also has the following effects:
(1) The solar cell and the proton exchange membrane electrolytic cell are tightly integrated, and a direct current-direct current converter of a traditional photovoltaic electrolyzer system is eliminated, so that the system cost is lower and the efficiency is higher.
(2) The frequency division heat collection groove is added between the solar cell and the solar cell, so that infrared light which cannot be used for power generation of the solar cell or light with other specific wavelengths can be absorbed for water preheating of electrolysis, the surface temperature of the solar cell is reduced, the efficiency of the electrolytic cell is improved, and the service life of a device is prolonged.
(3) The cooling heat exchange groove is arranged below the solar cell, so that the temperature of the solar cell can be further reduced, and the redundant heat energy of sunlight can be absorbed, so that the temperature of the whole device tends to be consistent.
(4) The water supply mode can be adjusted according to different environment temperatures, so that the temperature of the system is further stabilized.
Drawings
FIG. 1 is a schematic diagram of a solar cell-proton exchange membrane electrolysis Chi Guangre coupled hydrogen plant of the present invention;
fig. 2 is a schematic structural view of the frequency division heat collection tank 1;
FIG. 3 is a schematic view of the water supply mode of the system in a low temperature state;
FIG. 4 is a schematic diagram of the water supply of the system in a medium temperature state;
FIG. 5 is a schematic view of the water supply mode of the system in a high temperature state;
FIG. 6 is a graph of temperature change of various components of a hydrogen production system coupled with a conventional photovoltaic electrolysis system using solar cell-proton exchange membrane electrolysis Chi Guangre.
Wherein 1 is a frequency division heat collection groove; 2 is quartz glass; 3 is a frequency division heat collection chamber; 4 is a solar cell 4;5 is a cooling heat exchange groove; 6 is a cooling heat exchange groove chamber; 7 is a heat tank; 8 is the rest; 9 is an anode water supply area; 10 is a membrane electrode; 11 is a cathode hydrogen flow channel; 12 is a heat sink; 13 is a low-temperature water storage tank; 14 is a high temperature water storage tank; 15 is solar ray; 16 is the water supply tank of the electrolytic cell; 17 is a shell; 18 is a through hole; 19 is a proton exchange membrane electrolytic cell.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
in the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; 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 will be understood in specific cases by those of ordinary skill in the art.
One embodiment of the invention discloses a solar cell 4-proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system, which comprises a frequency division heat collection tank 1, a solar cell 4, a cooling heat exchange tank 5, a heat insulation/transfer tank, a proton exchange membrane electrolysis tank 19, a high-temperature water storage tank 14, a low-temperature water storage tank 13, an electrolysis tank water supply tank 16 and a radiator 12.
The frequency division heat collection tank 1, the solar cell 4, the cooling heat exchange tank, the heat insulation or heat transfer tank 7 and the proton exchange membrane electrolytic cell 19 are sequentially arranged from top to bottom, wherein the frequency division heat collection tank 1 is separated from the solar cell 4, and the solar cell 4, the cooling heat exchange tank, the heat insulation or heat transfer tank 7 and the proton exchange membrane electrolytic cell 19 are attached together.
Referring to fig. 2, the frequency division heat collection tank 1 is composed of a shell 17 and quartz glass 2, wherein the shell 17 is of a barrel-shaped structure with two open ends, the cross section of the shell 17 can be round or square, the shell 17 is made of rigid materials for supporting and can be made of metal materials according to requirements; two layers of quartz glass 2 are clamped in the shell 17, and a frequency division heat collection cavity 3 is formed in the two layers of quartz glass 2; the shell 17 is provided with symmetrical through holes 18, the through holes are used for the input and output of deionized water or nano fluid, and each through hole 18 is communicated with two frequency division heat collection cavities 1; the two pieces of quartz glass 2 are filled with deionized water or nanofluid for absorbing sunlight with specific wavelength.
The solar cell 4 is arranged below the frequency division heat collection groove 1, the lower part of the frequency division heat collection groove 1 is not contacted with the upper part of the solar cell 4, the solar cell 4 is arranged on the upper part of the cooling heat exchange groove 5, the side wall of the cooling heat exchange groove 5 is made of stainless steel, the upper end face and the lower end face are made of materials with good thermal conductivity, such as brass, and the generated heat on the surface of the solar cell 4 is better taken away through the materials with good thermal conductivity, the solar cell 4 is cooled to maintain good performance, and meanwhile, the heat is stored for subsequent reaction. The cooling heat exchange tank 5 is internally provided with a cooling heat exchange tank chamber 6, and the side wall of the cooling heat exchange tank 5 is provided with a through hole 18 for communicating with the low-temperature water storage tank 13. The cooling heat exchange tank 5 is arranged on the proton exchange membrane electrolytic cell 19, the lower end face of the cooling heat exchange tank 5, the upper end face of the proton exchange membrane electrolytic cell 19 and the side wall form a heat tank 7, the heat tank 7 can be a heat insulation tank or a heat transfer tank according to the use requirement of the whole system, and the side wall of the heat tank 7 can be airtight and also can be provided with a through hole 18.
The proton exchange membrane electrolytic cell 19 comprises an anode water supply area 9, a membrane electrode 10 and a cathode hydrogen flow passage 11 which are sequentially arranged from top to bottom, wherein the anode water supply area 9 and the cathode hydrogen flow passage 11 are isolated by the membrane electrode 10.
Specifically, the proton exchange membrane electrolytic cell 19 includes: the anode clamp, the anode current collecting plate, the anode porous transmission layer, the anode catalyst layer, the proton exchange membrane, the cathode catalyst layer, the cathode multi-air transmission layer, the cathode current collecting plate and the cathode clamp form the rest part 8 together. The cathode catalyst layer and the anode catalyst layer are respectively coated on two sides of the proton exchange membrane to form a membrane electrode 10 together with the anode porous transmission layer and the cathode porous transmission layer, the membrane electrode 10 is arranged in an anode current collecting plate, and a cathode hydrogen flow channel 11 is arranged in the cathode current collecting plate. The anode gas diffusion layer, the anode catalyst layer, the proton exchange membrane, the cathode catalyst layer, the cathode gas diffusion layer, the cathode current collecting plate, the sealing gasket and the cathode clamp are all provided with positioning holes and are sequentially arranged and tightly connected by bolts.
As one of the preferred embodiments, the flow channels inside the cooling heat exchange tank 5 may be serpentine flow channels, parallel flow channels or other types of flow channels.
As one of the preferred embodiments, the anode and the cathode of the solar cell 4 are connected with the anode and the cathode of the electrolytic cell through spring pins, so as to reduce the length of a line and reduce ohmic resistance.
Preferably, the solar cell 4 is tightly attached to the upper end surface of the cooling heat exchange groove 5; the cooling heat exchange tank chamber 6 is used for circulating low-temperature deionized water to take away heat so as to cool the solar cell 4. The heat tank 7 between the proton exchange membrane electrolytic cell 19 and the cooling heat exchange tank 5 can be flexibly selected to be a heat insulation tank or a heat transfer tank according to the ambient temperature, and when the heat tank is a heat insulation tank, the heat tank 7 is filled with a heat insulation material such as air; in the case of a heat transfer tank, a thermally conductive material, such as deionized water, is flowed through the heat tank 7.
The cooling heat exchange tank 5 in the embodiment of the present invention is made of a material having good heat conductivity, and has a passage through which water flows. The frequency division heat collection tank 1 is supported on the solar cell 4 by a bracket and is arranged between the solar cell 4 and sunlight, and then the light with specific wavelength is absorbed and converted into heat energy through water or nano fluid flowing in the frequency division heat collection tank 1, and the heat energy is transmitted through the light with other wavelengths. The solar cell 4 is tightly attached to the cooling heat exchange groove 5, and redundant heat is taken away by water. The water supply modes of the high-temperature water storage tank 14, the low-temperature water storage tank 13 and the proton exchange membrane water supply tank are changed along with the change of the ambient temperature, and the purpose of the water supply method is to maintain the whole system within a reasonable temperature range without adding additional devices, so that the utilization of solar energy is maximized.
The following is a further description in connection with specific examples:
example 1
When the ambient temperature is low, as shown in fig. 3, a through hole on one side of the frequency division heat collection tank 1 is communicated with the high-temperature water storage tank 14, the high-temperature water storage tank 14 is simultaneously communicated with the cathode hydrogen flow passage 11 in the proton exchange membrane battery, and the other end of the cathode hydrogen flow passage 11 is communicated with the other end of the frequency division heat collection tank 1. One end of the cooling heat exchange tank 5 is communicated with the low-temperature water storage tank 13, the low-temperature water storage tank 13 is simultaneously communicated with the radiator 12, and the radiator is communicated with the other end of the cooling heat exchange tank 5. Deionized water loaded in the low-temperature water storage tank 13 and the high-temperature water storage tank 14 is used as heat exchange liquid, and the heat tank 7 is filled with air at the moment and serves as a heat insulation tank to play a role in heat insulation.
In the working environment, the flow direction of deionized water is as follows: the high-temperature water storage tank 14-the frequency division heat collection tank 1-the anode water supply area 9 of the proton exchange membrane electrolytic cell 19-the high-temperature water storage tank 14, the low-temperature water storage tank 13-the cooling heat exchange tank-the radiator 12-the low-temperature water storage tank 13.
In the working process, sunlight 15 irradiates into the frequency division heat collection tank 1, the frequency division heat collection tank 1 divides the sunlight, heat is collected at the same time, deionized water in the frequency division heat collection tank 1 is heated, water with higher temperature in the frequency division heat collection tank 1 is used for the reaction of an electrolytic cell, meanwhile, the solar cell 4 receives light of the residual wave band which is not absorbed by the frequency division heat collection tank 1, and part of the light is converted into electricity for supplying power to the electrolytic cell, so that hydrogen is generated; and the conversion of the unutilized sunlight into heat energy causes the solar cell to increase in temperature. After the water in the low-temperature water storage tank 13 is radiated by the radiator 12, the water flows through the cooling heat exchange tank chamber 6 so as to cool the solar cell 4, so that the solar cell 4 can work efficiently. At this time, the heat tank 7 is filled with air to perform a heat insulating function.
Example 2
Referring to fig. 4, when the ambient temperature is moderate, one side through hole in the frequency division heat collector 1 is communicated with the high temperature water storage tank 14, and the high temperature water storage tank 14 is simultaneously communicated with the other end through hole 18 of the frequency division heat collector 1. One end of the cooling heat exchange tank 5 is communicated with the low-temperature water storage tank 13, and the other end of the low-temperature water storage tank 13 is communicated with the other end of the cooling heat exchange tank 5 through the radiator 12; one end of the anode water supply area 9 is communicated with one end of the electrolytic cell water supply tank 16, and the other end of the electrolytic cell water supply tank 16 is communicated with the other end of the anode water supply area 9 to form a loop. Deionized water is loaded in the low-temperature water storage tank 13, the high-temperature water storage tank 14 and the electrolytic tank water supply tank 16 as heat exchange liquid, and the heat tank 7 is filled with air to play a role in heat insulation.
The flow direction of deionized water at medium temperature is as follows: the high-temperature water storage tank, the frequency division heat collection tank, the high-temperature water storage tank, the low-temperature water storage tank 13, the radiator 12, the cooling heat exchange tank 5, the low-temperature water storage tank 13, the electrolytic tank water supply tank, the proton exchange membrane battery 19 and the electrolytic tank water supply tank are filled with air at the moment, so that the heat insulation/heat transfer tank plays a role in heat insulation.
In this embodiment, the low temperature water storage tank 13 and the electrolytic cell water supply tank are operated to meet the own temperature requirement. In the working process, sunlight 15 irradiates into the frequency division heat collection tank 1, the frequency division heat collection tank 1 absorbs sunlight with specific wavelength, the sunlight is converted into heat, and deionized water in the frequency division heat collection tank 1 is heated. The solar cell 4 receives the remaining band of light not absorbed by the crossover heat collection tank 1, converts a portion of the light into electricity for the power supply of the electrolytic cell, which solely uses deionized water in the electrolytic cell water supply tank 16, thereby generating hydrogen gas. At the same time, the temperature of the solar cell increases by converting the unutilized sunlight into heat energy. The water in the low temperature water storage tank 13 is used for cooling the solar cell 4. At this time, the heat tank 7 is filled with air to perform a heat insulating function.
Example 3
Referring to fig. 5, when the ambient temperature is moderate, one side through hole in the frequency division heat collector 1 is communicated with the high temperature water storage tank 14, and the high temperature water storage tank 14 is simultaneously communicated with the other end through hole 18 of the frequency division heat collector 1. One end through hole 18 of the cooling heat exchange tank 5 is communicated with the heat tank 7, the other end of the heat tank 7 is communicated with the anode water supply area 9, the other end of the water supply area 9 is communicated with one end of the low-temperature water storage tank 13 through the radiator 12, and the other end of the low-temperature water storage tank 13 is communicated with the other end of the heat tank 7. The low temperature water storage tank 13 and the high temperature water storage tank 14 are filled with deionized water, at this time, the heat tank 7 is filled with deionized water,
the flow direction of deionized water at high temperature is: the high-temperature water storage tank 14-the frequency division heat collection tank 1-the high-temperature water storage tank 14-the low-temperature water storage tank 13-the cooling heat exchange tank 5-the heat tank 7-the electrolytic tank anode water supply area 9-the radiator 12-the low-temperature water storage tank 13. When the ambient temperature is too high, the solar cell 4 needs to be further cooled, so that water in the cooling heat exchange tank 5 is used for further heat conduction to the electrolytic cell below in addition to water in the low-temperature water storage tank.
In the working process, sunlight 15 irradiates into the frequency division heat collection tank 1, the frequency division heat collection tank 1 absorbs sunlight with specific wavelength, the sunlight is converted into heat, and deionized water in the frequency division heat collection tank 1 is heated. The solar cell 4 receives the light of the remaining wave band which is not absorbed by the divided heat collecting tank 1, and converts a part of the light into electricity for power supply of the electrolytic cell. At the same time, the temperature of the solar cell increases by converting the unutilized sunlight into heat energy. The water in the low-temperature water storage tank 13 flows through the cooling heat exchange tank 5 for cooling the solar cell 4, flows through the heat tank 7 and flows through the anode water supply area 9 of the electrolytic cell to supply deionized water with proper temperature without the electrolytic cell, so that hydrogen is efficiently generated. At this time, deionized water is filled in the heat tank 7, so as to play a role in enhancing heat exchange.
Fig. 6 shows the practical effect of the device on optimizing the local temperature of the system. The results show that the integrated proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system is capable of significantly reducing the solar cell surface temperature (by about 10 ℃) compared to the conventional manner of connecting the split solar cell 4 to the electrolytic cell. While raising the temperature of the cell (approximately 9 ℃ C.). The invention has proved to be effective in balancing the temperature of each component of the system and improving the hydrogen production efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system is characterized by comprising a frequency division heat collection groove (1), wherein a solar cell (4) is arranged below the frequency division heat collection groove (1), and a gap is formed between the solar cell (4) and the frequency division heat collection groove (1);
the solar cell (4) is arranged at the upper part of the cooling heat exchange tank (5), the cooling heat exchange tank (5) is arranged above the proton exchange membrane electrolytic cell (19), a heat tank (7) is arranged between the lower end surface of the cooling heat exchange tank (5) and the upper end surface of the proton exchange membrane battery (19), and the heat tank (7) is a heat exchange tank or a heat insulation tank;
the frequency division heat collection tank (1) is communicated with a high-temperature water storage tank (14), and the cooling heat exchange tank (5) is communicated with a low-temperature water storage tank (13).
2. The proton exchange membrane electrolysis Chi Guangre electric coupling hydrogen production system according to claim 1, wherein the frequency division heat collection tank (1) comprises a shell (17), two layers of quartz glass (2) are installed in the shell (17), the two layers of quartz glass (2) and the shell (17) form a frequency division heat collection chamber (3), and the frequency division heat collection chamber (3) is communicated with the high-temperature water storage tank (14).
3. The proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system according to claim 1, wherein the solar cell (4) is attached to the upper portion of the cooling heat exchange tank (5).
4. The proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system according to claim 1, wherein when the heat tank (7) is a heat exchange tank, water flows into the heat tank (7); when the heat tank (7) is a heat insulation tank, the heat tank (7) is internally provided with air.
5. The proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system according to claim 1, wherein the proton exchange membrane electrolysis cell comprises an anode water supply area (9), a membrane electrode (10) and a cathode hydrogen flow channel (11) which are arranged in sequence from top to bottom.
6. The proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system according to claim 1, wherein the internal flow channel of the cooling heat exchange tank (5) is a serpentine flow channel or other form of flow channel.
7. The proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system according to claim 1, wherein the solar cell (4) and the proton exchange membrane electrolysis cell (19) are connected by a spring thimble.
8. The method for operating a proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system as claimed in claim 1, wherein the heat conducting property of the upper end surface material of the cooling heat exchange tank (5) is greater than the heat conducting property of the side wall material.
9. The method of operating a proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system of claim 1, comprising the following three conditions:
when the ambient temperature is low, one end of the frequency division heat collection tank (1) is communicated with the proton exchange membrane electrolytic cell (19), and one end of the high-temperature water storage tank (14) is communicated with the proton exchange membrane electrolytic cell (19); the heat exchange liquid flows into the frequency division heat collection tank (1) from the high-temperature water storage tank (14), flows into the proton exchange membrane electrolytic cell (19) from the frequency division heat collection tank (1), and flows into the high-temperature water storage tank (14) from the proton exchange membrane electrolytic cell (19); the heat exchange liquid flows into the cooling heat exchange tank (5) from the low-temperature water storage tank (13), and flows back into the low-temperature water storage tank (13) from the cooling heat exchange tank (5);
when the ambient temperature is medium temperature, the proton exchange membrane battery (19) is communicated with the water supply tank (16) of the electrolytic cell; the heat exchange liquid flows into the frequency division heat collection tank (1) from the high-temperature water storage tank (14), and flows back into the high-temperature water storage tank (14) from the frequency division heat collection tank (1); the heat exchange liquid flows into the cooling heat exchange tank (5) from the low-temperature water storage tank (13), and flows into the low-temperature water outlet tank (13) from the cooling heat exchange tank (5); water flows from the electrolytic cell water supply tank (16) into the proton exchange membrane cell (19), and flows back from the proton exchange membrane cell (19) to the electrolytic cell water supply tank (16);
when the ambient temperature is high, the cooling heat exchange tank (5) is communicated with the proton exchange membrane battery (19), and the proton exchange membrane battery (19) is communicated with the low-temperature water storage tank (13); the heat exchange liquid flows into the frequency division heat collection tank (1) from the high-temperature water storage tank (14), and flows back into the high-temperature water storage tank (14) from the frequency division heat collection tank (1); the heat exchange liquid flows into the cooling heat exchange tank (5) from the low-temperature water storage tank (13), flows into the proton exchange membrane battery (19) from the cooling heat exchange tank (5), and flows back to the high-temperature water storage tank (14) from the proton exchange membrane battery (19).
10. The method of operation of a proton exchange membrane electrolysis Chi Guangre electrically coupled hydrogen production system of claim 9, wherein the low temperature water storage tank (13) and the cooling heat exchange tank (5) are provided with a radiator (12) so far when the ambient temperature is low and medium;
when the ambient temperature is high temperature, a radiator (12) is arranged between the proton exchange membrane battery (19) and the high-temperature water storage tank (14).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117468018A (en) * | 2023-12-27 | 2024-01-30 | 山东氢能工业技术研究院有限公司 | Solar water electrolysis hydrogen production system |
| CN117781489A (en) * | 2023-12-27 | 2024-03-29 | 南京师范大学 | Energy storage system and energy storage method for modularized membrane type micro-channel |
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2023
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117468018A (en) * | 2023-12-27 | 2024-01-30 | 山东氢能工业技术研究院有限公司 | Solar water electrolysis hydrogen production system |
| CN117781489A (en) * | 2023-12-27 | 2024-03-29 | 南京师范大学 | Energy storage system and energy storage method for modularized membrane type micro-channel |
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