CN116161617A - Hydrogen production device and hydrogen energy power supply - Google Patents
Hydrogen production device and hydrogen energy power supply Download PDFInfo
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- CN116161617A CN116161617A CN202310149020.4A CN202310149020A CN116161617A CN 116161617 A CN116161617 A CN 116161617A CN 202310149020 A CN202310149020 A CN 202310149020A CN 116161617 A CN116161617 A CN 116161617A
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- water tank
- fuel cell
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 239000001257 hydrogen Substances 0.000 title claims abstract description 210
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 210
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000000446 fuel Substances 0.000 claims abstract description 55
- 238000004146 energy storage Methods 0.000 claims abstract description 41
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000007062 hydrolysis Effects 0.000 claims abstract description 29
- 239000007787 solid Substances 0.000 claims abstract description 26
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 210000004027 cell Anatomy 0.000 claims description 51
- 238000001816 cooling Methods 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 6
- 210000000352 storage cell Anatomy 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 description 34
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/06—Integration with other chemical processes
- C01B2203/066—Integration with other chemical processes with fuel cells
Abstract
The application discloses a hydrogen production device and a hydrogen energy power supply, and relates to the technical field of hydrogen fuel cells. The hydrogen production device comprises a storage bin, a water tank and a pump body; the storage bin comprises a storage cavity, a water inlet and a first hydrogen outlet, the storage cavity is used for storing solid hydrolysis hydrogen production materials, the storage cavity comprises a first end and a second end, the first end is positioned above the second end in the gravity direction, the first hydrogen outlet is close to the first end, and the water inlet is close to the second end; the water tank is respectively connected with the water inlet and the first hydrogen outlet; the pump body is connected between the water inlet and the water tank, and the pump body is used for conveying liquid in the water tank to the storage bin. The hydrogen energy power supply comprises a fuel cell, an energy storage battery and the hydrogen production device, wherein the fuel cell is connected between the energy storage battery and the hydrogen production device, and the fuel cell is connected with a second hydrogen outlet of the water tank. The hydrogen production device and the hydrogen energy power supply provided by the application can be portable, can be used immediately after being opened, and are convenient for users to use.
Description
Technical Field
The application relates to the technical field of hydrogen fuel cells, in particular to a hydrogen production device and a hydrogen energy power supply.
Background
Hydrogen is a so far recognized green energy source for relatively environmental protection. The hydrogen can be directly converted into electric energy by utilizing the hydrogen-oxygen fuel cell, the theoretical energy utilization rate can reach more than 95 percent, and meanwhile, the hydrogen-oxygen fuel cell can not produce the emission of harmful substances in the power generation process, and has no negative influence on the environment.
The existing hydrogen utilization mode is mainly to store hydrogen through a high-pressure hydrogen storage tank, and the hydrogen enters a fuel cell stack through a gas relief valve to generate electricity. However, because of the very small molecular volume of hydrogen gas, which is easily escaped from the storage vessel, the high pressure hydrogen storage tanks are heavy and generally can only be made cylindrical, which clearly limits their application to portable hydrogen energy power sources.
The solid hydrolysis hydrogen production material can realize instant hydrogen production through reacting with water, however, in the existing hydrogen production device, water is supplied to a reaction chamber by a water tank to carry out hydrolysis reaction by utilizing a height difference, and meanwhile, a hydrogen storage device with larger volume is required to be configured to store hydrogen, so that the whole volume of the hydrogen production device is increased, the occupied space is large, the carrying is not facilitated, and the use experience of a user is influenced.
Disclosure of Invention
The application provides a hydrogen production device and a hydrogen energy power supply, which can be used immediately after being opened.
The application provides a hydrogen plant, comprising:
the storage bin comprises a storage cavity, a water inlet and a first hydrogen outlet, wherein the storage cavity is used for storing solid hydrolysis hydrogen production materials, the storage cavity comprises a first end and a second end, the first end is positioned above the second end in the gravity direction, the first hydrogen outlet is close to the first end, and the water inlet is close to the second end;
the water tank is respectively connected with the water inlet and the first hydrogen outlet;
the pump body is connected between the water inlet and the water tank and is used for conveying liquid in the water tank to the storage bin.
Based on above technical scheme, can be by the pump body when carrying the storage silo with the liquid in the water tank, need not to set up the difference in height between water tank and storage silo and satisfy the required power of liquid flow to, can make hydrogen plant's structure compacter, reduce occupation space, do benefit to and carry. In addition, the liquid level in the storage bin can be continuously increased along with the increase of the liquid input quantity, so that solid hydrolysis hydrogen production materials in the storage bin can be sequentially reacted from bottom to top to generate hydrogen, the instant use can be realized, the generation of hydrogen is controlled, a hydrogen storage device is not required to be arranged, the volume of the hydrogen production device is reduced, portability is further realized, and the use experience of a user is improved.
In some possible embodiments, the storage bin comprises:
a housing assembly including the storage cavity;
the storage cavity is divided into at least two subchambers by at least one partition plate, and the at least two subchambers are used for storing the solid hydrolysis hydrogen production material.
In some possible embodiments, the storage bin further comprises a filter plate;
the filter plate is arranged at one end of the storage cavity, which is close to the first hydrogen outlet, the filter plate is matched with the shell assembly to form a gas transmission channel, the gas transmission channel is communicated with each subchamber through the filter plate, and the gas transmission channel is communicated with the first hydrogen outlet.
In some possible embodiments, the storage bin further comprises a support screen;
the support screen plate is arranged at one end of the storage cavity, which is close to the water inlet, and the support screen plate is matched with the shell assembly to form a diversion channel, the diversion channel is communicated with the water inlet, and the diversion channel is communicated with each subchamber.
In some possible embodiments, the hydrogen-producing device further comprises a heat pipe, heat fins, and a first heat-dissipating fan;
the heat conducting pipe is arranged between the storage bin and the water tank and protrudes relative to one side of the water tank, and is respectively connected with the storage bin and the water tank in a heat conduction manner;
the heat radiation fins are in heat conduction connection with one end of the heat conduction pipe protruding relative to the water tank;
the first cooling fan is arranged on one side of the cooling fins, which is far away from the heat conducting pipe, and the first cooling fan is used for accelerating the flow of gas in the cooling fins.
In addition, the application also provides a hydrogen energy power supply, which comprises the hydrogen production device provided in each embodiment.
In some possible embodiments, the water tank includes a second hydrogen outlet;
the hydrogen energy power supply further comprises a fuel cell and an energy storage battery, wherein the input end of the fuel cell is connected with the second hydrogen outlet, and the output end of the fuel cell is connected with the energy storage battery.
In some possible embodiments, the hydrogen energy power supply further includes a second heat dissipation fan, where the second heat dissipation fan is disposed on one side of the fuel cell, and the second heat dissipation fan is used to accelerate the flow of the gas around the fuel cell.
In some possible embodiments, the hydrogen energy power supply further includes a control unit, a first temperature sensor, a second temperature sensor, and a first cooling fan, where the control unit is electrically connected to the first temperature sensor, the second temperature sensor, the first cooling fan, and the second cooling fan, and the first cooling fan is disposed on one side of the storage bin;
the first temperature sensor is used for detecting the temperature of the storage bin, and the control unit is used for regulating and controlling the power of the first cooling fan according to the detection data of the first temperature sensor;
the second temperature sensor is used for detecting the temperature of the fuel cell, and the control unit is used for regulating and controlling the power of the second cooling fan according to the detection data of the second temperature sensor.
In some possible embodiments, the hydrogen energy power supply further comprises a control unit connected to the fuel cell, the energy storage battery and the pump body, respectively;
when the output electric quantity of the fuel cell is equal to a first preset value, the control unit controls the pump body to be closed;
when the electric quantity of the energy storage battery is smaller than or equal to a second preset value, the control unit controls the pump body to be opened;
when the electric quantity of the energy storage battery is larger than or equal to a third preset value, the control unit controls the pump body to be closed, and the third preset value is larger than the second preset value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the principle structure of a hydrogen energy power supply in some embodiments;
FIG. 2 illustrates a schematic perspective view of a hydrogen energy power supply in some embodiments;
FIG. 3 illustrates a schematic diagram of a partially exploded view of a hydrogen energy power supply in some embodiments;
FIG. 4 illustrates a schematic internal structure of a hydrogen energy power supply in some embodiments;
FIG. 5 illustrates an exploded view of a storage silo in some embodiments;
FIG. 6 shows a schematic cross-sectional view of a storage bin in some embodiments;
fig. 7 is a schematic diagram showing connection structures of electrical components of the hydrogen energy power supply in some embodiments.
Description of main reference numerals:
100-hydrogen production device; 110-a storage bin; 1101-storage chamber; 1101 a-first subchamber; 1101 b-a second subchamber; 1102-a first end; 1103-second end; 1104-water inlet; 1105-a first hydrogen outlet; 1106-gas delivery path; 1107-a diversion channel; a 111-housing assembly; 111 a-a main housing; 111 b-end caps; 112-a separator; 113-a filter plate; 114-supporting the screen; 115-sealing ring; 120-a water tank; 121-a second hydrogen outlet; 122-water outlet; 123-a hydrogen inlet; 124-water filling port; 125-sealing cover; 130-a pump body; 141-quick plug; 142-quick-connect female; 150-a heat dissipation assembly; 151-heat pipes; 152-heat sink fins; 153-first radiator fan; 161-a first one-way valve; 162-a second one-way valve; 200-a fuel cell; 300-an energy storage battery; 310-a first output terminal; 320-a second output terminal; 400-a housing assembly; 401-mounting cavity; 410-a housing; 420-a first cover plate; 421-first louvers; 422-second heat dissipation holes; 430-a second cover plate; 431-third heat dissipation holes; 440-socket; 510-a control unit; 521-a first temperature sensor; 522-a second temperature sensor; 531-a first power detection module; 532—a second power detection module; 610-a second heat dissipation fan; 620-insulating panels.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Embodiments provide a hydrogen energy source that can utilize a solid hydrolysis hydrogen production material to react with water to produce hydrogen and react the hydrogen with oxygen to convert chemical energy to electrical energy by electrochemical reactions to provide electrical energy.
In some embodiments, the solid hydrolysis hydrogen producing material includes, but is not limited to, an aluminum-based or magnesium-based hydrolysis hydrogen producing alloy material. It will be appreciated that when the solid hydrolysis hydrogen producing material encounters water, it reacts and hydrogen gas is produced. When the aluminum-based or magnesium-based hydrolysis hydrogen production alloy material meets water, the following reactions can respectively occur: 2Al+6H 2 O＝2Al(OH) 3 +3H 2 ；Mg+2H 2 O＝Mg(OH) 2 +H 2 . In the reaction process, a passivation film is not generated on the surface of the aluminum-based or magnesium-based hydrolysis hydrogen production alloy material to prevent the reaction, so that the aluminum-based or magnesium-based hydrolysis hydrogen production alloy material can be ensured to continuously react with water to generate hydrogen.
As shown in fig. 1, the hydrogen energy power source may include a hydrogen plant 100, a fuel cell 200, and an energy storage cell 300.
Among other things, hydrogen plant 100 may be used to produce hydrogen. The input of fuel cell 200 may be connected to hydrogen plant 100 and may obtain hydrogen from hydrogen plant 100. The fuel cell 200 may electrochemically react the obtained hydrogen gas with oxygen gas and generate electric power. Wherein, the oxygen can be sourced from the external environment. The output of the fuel cell 200 may be connected to the energy storage cell 300, and the generated electric energy may be stored in the energy storage cell 300. When the user needs to use the electric power, the power can be supplied through the energy storage battery 300.
As shown in fig. 1, hydrogen plant 100 may include a storage bin 110, a water tank 120, and a pump body 130.
Referring again to fig. 5 and 6, the storage bin 110 may include a storage chamber 1101, a water inlet 1104, and a first hydrogen outlet 1105. Wherein the holding chamber 1101 may be used to hold solid hydrolysis hydrogen producing material. In addition, the storage chamber 1101 may include a first end 1102 and a second end 1103, and the first end 1102 may be positioned above the second end 1103 in the direction of gravity. In an embodiment, the first hydrogen outlet 1105 may be disposed proximate the first end 1102 and the water inlet 1104 may be disposed proximate the second end 1103. It will be appreciated that the water inlet 1104 may be located near the bottom of the storage bin 110.
The water tank 120 may be used to store water-containing liquids such as water. The water tank 120 may include a water outlet 122 and a hydrogen inlet 123. Wherein the water outlet 122 may be connected with the water inlet 1104 of the storage bin 110, and the hydrogen inlet 123 may be connected with the first hydrogen outlet 1105 of the storage bin 110. In addition, the water tank 120 further includes a second hydrogen outlet 121, and the second hydrogen outlet 121 may be connected to an input terminal of the fuel cell 200.
Referring again to fig. 2 and 3, in some embodiments, the water tank 120 may further include a water filling port 124 to facilitate the addition of water or other liquids to the water tank 120. It will be appreciated that the sealing cap 125 is detachably connected to the water filling port 124, and can seal the water filling port 124 in a non-water filling state.
In an embodiment, the pump body 130 may be connected between the water outlet 122 and the water inlet 1104 of the water tank 120. The pump body 130 may be used to control the delivery of the liquid in the tank 120 to the storage bin 110.
In operation, the pump body 130 may control the delivery of liquid from the tank 120 to the storage bin 110. Liquid may enter the storage bin 110 through the water inlet 1104. As the liquid level in the storage bin 110 gradually increases, the liquid may gradually contact the solid hydrolysis hydrogen producing material above the storage bin 110 and undergo hydrolysis reactions to produce hydrogen. It can be appreciated that when the pump body 130 is opened, the liquid level in the storage bin 110 will rise immediately to perform hydrolysis reaction to generate hydrogen, so as to realize instant on and instant off, and control the on and off of the hydrogen production device 100 conveniently. When the pump body 130 is closed, the liquid level in the storage bin 110 may stop rising, and the reaction in the storage bin 110 may also stop gradually. In the embodiment, the pump body 130 can provide power for the liquid flow, and the water tank 120 and the storage bin 110 do not need to be provided with a height difference, so that the structure of the hydrogen production device 100 is more compact, the occupied space is reduced, the carrying by a user is facilitated, and the portable effect is realized.
In addition, the hydrogen generated by the hydrolysis reaction may be discharged through the first hydrogen outlet 1105 on the storage bin 110 and transferred to the water tank 120. When the hydrogen passes through the water tank 120, the liquid in the water tank 120 can cool down the hydrogen to reduce the temperature of the hydrogen. Meanwhile, the water vapor in the hydrogen can be filtered, so that the water vapor content in the hydrogen can be reduced. After the hydrogen is output from the water tank 120, the hydrogen may enter the fuel cell 200, and at the same time, the fuel cell 200 may obtain oxygen from the outside and electrochemically react the oxygen with the hydrogen to generate electric energy. The fuel cell 200 may transfer the generated electric energy to the energy storage battery 300 and store in the energy storage battery 300.
It is understood that hydrogen and oxygen produce a relatively large amount of heat when electrochemically reacted. In the embodiment, after the hydrogen is output from the hydrogen production device 100, the hydrogen is cooled by the water tank 120, so that the heat carried by the hydrogen can be reduced, and therefore, the heat accumulation at the position of the fuel cell 200 can be reduced, the situation that the fuel cell 200 has faults or safety problems due to overhigh temperature can be reduced, and the use safety of the hydrogen energy power supply is ensured.
As shown in fig. 2-4, the hydrogen energy power supply further includes a housing assembly 400. The housing assembly 400 may include a housing 410, a first cover 420, and a second cover 430. The first cover 420 and the second cover 430 may be disposed on one side of the housing 410 in parallel, and cooperate to define a mounting cavity 401. Illustratively, the first cover 420, the second cover 430 and the housing 410 may be connected by screw connection or snap connection.
Referring again to fig. 1, hydrogen plant 100, fuel cell 200, and energy storage cell 300 may all be mounted in mounting cavity 401. In an embodiment, the water tank 120 and the storage bin 110 may be installed between the first cover 420 and the housing 410 in parallel, and the water tank 120 may be disposed near one side of the first cover 420. The fuel cell 200 and the energy storage cell 300 may be located between the second cap plate 430 and the case 410.
In an embodiment, the water filling port 124 of the water tank 120 may protrude with respect to one side of the housing assembly 400 so that a user may add a liquid such as water to the water tank 120 through the water filling port 124.
As shown in fig. 5 and 6, the storage bin 110 may include a housing assembly 111. The housing assembly 111 may include a main housing 111a and an end cap 111b. The main housing 111a may have a shell-like structure with one end opened. The end cap 111b may be fixedly coupled to the opening position of the main housing 111a by screw coupling or the like. In addition, a seal ring 115 may be provided between the end cover 111b and the main housing 111a, so that the connection position between the end cover 111b and the main housing 111a can be sealed, and problems such as air leakage can be prevented. In an embodiment, the storage chamber 1101 may be formed in the main housing 111a and the end cap 111b may be disposed proximate the first end 1102.
In an embodiment, the water inlet 1104 may be disposed at an end of the main housing 111a remote from the end cap 111b and may be in communication with the storage chamber 1101. The first hydrogen outlet 1105 may be disposed at an end of the main housing 111a near the end cover 111b, and may be in communication with the storage chamber 1101.
In some embodiments, the storage bin 110 further includes at least one partition 112 operable to divide the storage cavity 1101 into at least two subchambers. In an embodiment, each subchamber may extend from the first end 1102 to the second end 1103.
Illustratively, in some embodiments, the storage bin 110 may include a partition 112, and the partition 112 may divide the storage cavity 1101 into two subchambers, namely a first subchamber 1101a and a second subchamber 1101b. Both the first subchamber 1101a and the second subchamber 1101b may extend from the first end 1102 to the second end 1103. In an embodiment, solid hydrolysis hydrogen-producing material may be dispensed into first sub-chamber 1101a and second sub-chamber 1101b. It can be understood that the outside of the solid hydrolysis hydrogen production material can be wrapped with materials such as non-woven fabrics or metals, and the powder diffusion of the solid hydrolysis hydrogen production material is avoided.
In an embodiment, the storage chamber 1101 is divided into a plurality of subchambers, so that the solid hydrolysis hydrogen production material can be distributed in the storage chamber 1101 more uniformly. Therefore, the hydrogen output in the hydrogen production process can be more uniform.
In other embodiments, the storage bin 110 may further include two, three, or five equal numbers of baffles 112, which may correspondingly divide the storage cavity 1101 into three, four, or six equal numbers of subchambers, each of which may extend from the first end 1102 to the second end 1103.
In some embodiments, the storage bin 110 further includes a filter plate 113, and the filter plate 113 may be disposed at an end of the storage cavity 1101 near the end cap 111b. In addition, the filter plate 113 may cooperate with the housing assembly 111 to define a gas delivery channel 1106, and the gas delivery channel 1106 may be located at an end of the storage chamber 1101 near the end cap 111b. In some embodiments, the filter plate 113 may be a porous plate, and the porous plate may be coated with a nonwoven fabric. Accordingly, the air delivery channel 1106 may be in communication with the storage chamber 1101 through a mesh opening in the filter plate 113. The hydrogen gas can also be filtered and cooled by the filter plate 113 when the hydrogen gas passes through the filter plate 113, so that the water vapor content in the hydrogen gas is reduced. In addition, the first hydrogen outlet 1105 may be indirectly communicated with the storage chamber 1101 through a gas delivery channel 1106.
In some embodiments, a gas delivery passage 1106 may be in communication with each subchamber. The hydrogen gas generated by each sub-chamber can be directly delivered to the gas delivery channel 1106 and delivered to the first hydrogen outlet 1105 for output through the gas delivery channel 1106.
It can be appreciated that when the storage cavity 1101 directly extends to contact with the end cover 111b, and the storage cavity 1101 is filled with the hydrogen produced by the subchamber relatively far away from the first hydrogen outlet 1105, the hydrogen can reach the first hydrogen outlet 1105 for output only through the solid hydrogen production material in the other subchambers, and during the process of passing through the other subchambers, the hydrogen has larger resistance, so that the hydrogen production efficiency is low, and on the other hand, part of the hydrogen can stay in the other subchambers, so that the hydrogen production amount is small, and the user experience is affected.
In the embodiment, the filter plate 113 is arranged, and the filter plate 113 and the shell assembly 111 are matched to form a gas transmission channel 1106, so that hydrogen generated by each subchamber can be directly transmitted to the first hydrogen outlet 1105 through the gas transmission channel 1106. On the one hand, the resistance of hydrogen output can be reduced, and the hydrogen output efficiency is improved. On the other hand, the retention of hydrogen in the storage bin 110 can be reduced, the hydrogen output is improved, and the user experience is improved.
In some embodiments, the storage bin 110 further includes a support screen 114. The support screen 114 may be located at an end of the storage chamber 1101 remote from the end cap 111b. In some implementations, the support screen 114 may have a substantially inverted U-shaped structure, and the support screen 114 may be engaged with the main housing 111a to define a flow channel 1107. A diversion channel 1107 is located at an end of the storage cavity 1101 remote from the end cap 111b, and the diversion channel 1107 may be in communication with each subchamber. In addition, the water inlet 1104 may be in indirect communication with each subchamber via a diversion channel 1107. In some embodiments, the support screen 114 may be a perforated plate.
In an embodiment, by providing the diversion channel 1107 and communicating the diversion channel 1107 with each sub-chamber, smooth circulation of the liquid in the storage bin 110 can be ensured. The liquid can smoothly reach the second sub-chamber 1101b, and the obstruction of the liquid flow by the first sub-chamber 1101a is reduced. It can be appreciated that when the water tank 120 supplies the liquid to the storage bin 110, the liquid can gradually fill the diversion channel 1107, and along with the rise of the liquid level, the liquid can enter each sub-chamber at the same time, so that the problem that the solid hydrolysis hydrogen production material in the local sub-chamber is in relatively slow contact with the liquid is avoided, and therefore, the hydrogen production efficiency can be further improved, the hydrogen production amount is improved, the waiting time of a user is saved, and the user experience is improved.
As shown in fig. 2 to 6, both the water inlet 1104 and the first hydrogen outlet 1105 may be fitted with a quick plug 141. One end of the pump body 130 away from the water tank 120 may be fixedly connected with a quick-connect plug 142 through a pipeline. Similarly, the hydrogen inlet 123 of the water tank 120 may be connected to a quick connector 142 through a pipeline. The two quick-connect female connectors 142 are fixedly mounted in the housing assembly 400 and correspond to the two quick-connect male connectors 141 one by one.
In an embodiment, the storage bin 110 is removably inserted into the housing assembly 400. Accordingly, a socket 440 may be formed between the first cover 420 and the housing 410, and the storage bin 110 may be inserted into the housing assembly 400 through the socket 440. When the storage bin 110 is inserted into the housing assembly 400, the two quick-plug male heads 141 and the two quick-plug female heads 142 are inserted in a one-to-one correspondence manner, so that the connection between the pump body 130 and the water inlet 1104 and the connection between the hydrogen inlet 123 and the first hydrogen outlet 1105 can be realized.
In an embodiment, the quick assembly and disassembly of the storage bin 110 can be realized through the quick plug male head 141 and the quick plug female head 142, so that the time for a user to disassemble and assemble the storage bin 110 is reduced. After the reaction of the solid hydrolysis hydrogen production material in the storage bin 110 is completed, the storage bin 110 can be conveniently and quickly replaced by a user.
As shown in fig. 1 and 6, hydrogen plant 100 also includes a first check valve 161 and a second check valve 162. The first check valve 161 may be disposed between the water outlet 122 of the water tank 120 and the pump body 130. The first check valve 161 can only allow the liquid in the water tank 120 to be conveyed toward the pump 130, and can prevent the liquid from flowing from the pump 130 toward the water tank 120. The second check valve 162 may be disposed between the hydrogen inlet 123 and the first hydrogen outlet 1105 of the water tank 120. The second check valve 162 can only allow the hydrogen gas generated by the storage bin 110 to be conveyed toward the water tank 120, and can prevent the liquid and gas in the water tank 120 from flowing toward the first hydrogen outlet 1105. In some embodiments, the pump body 130 may be a peristaltic pump.
In other embodiments, the pump body 130 may be a common pump.
As shown in fig. 1, 3, and 4, hydrogen plant 100 further includes a heat sink assembly 150 that may be used for heat dissipation from storage bin 110.
The heat dissipation assembly 150 may include a heat conductive pipe 151, a heat dissipation fin 152, and a first heat dissipation fan 153. The heat conducting pipe 151 may be disposed between the storage bin 110 and the water tank 120, and the heat conducting pipe 151 may be respectively in contact with the storage bin 110 and the water tank 120 to achieve heat conduction connection. Accordingly, the heat generated in the working process of the storage bin 110 can be transferred to the water tank 120 through the heat-conducting pipe 151, and the water tank 120 absorbs part of the heat generated in the storage bin 110, so that the temperature of the storage bin 110 is reduced, and the problems of safety accidents and the like caused by overhigh temperature in the working process of the storage bin 110 are prevented.
In the embodiment, the number of the heat conductive pipes 151 may be set as needed. Illustratively, the heat transfer tubes 151 may be provided in one, two, four, six, seven, or the like. When the heat pipes 151 are provided in plurality, the plurality of heat pipes 151 may be sequentially arranged between the water tank 120 and the storage bin 110 along the height direction of the storage bin 110 (i.e. the direction parallel to the first end 1102 to the second end 1103), so as to improve the heat transfer efficiency between the storage bin 110 and the water tank 120.
In some embodiments, the area of the side surface of the tank 120 adjacent to the storage bin 110 may be smaller than the area of the side surface of the storage bin 110 adjacent to the tank 120. One end of the heat conductive pipe 151 may protrude with respect to a side of the water tank 120 near the socket 440. The heat dissipation fins 152 may be disposed at one end of the heat conduction tube 151 protruding with respect to the water tank 120, and may contact the heat conduction tube 151 to achieve a heat conduction connection. It is understood that the heat dissipation fins 152 may be disposed on a side of the water tank 120 adjacent to the socket 440. In an embodiment, the heat conducting tube 151 may transfer part of the heat of the storage bin 110 to the heat dissipation fins 152, and dissipate the heat outwards through the heat dissipation fins 152. In some embodiments, the heat fins 152 may be made of copper or red copper.
The first cooling fan 153 may be disposed on a side of the cooling fins 152 away from the heat pipe 151, and may be used to accelerate the flow of air in the cooling fins 152, so as to accelerate the heat exchange between the air and the cooling fins 152, improve the cooling efficiency of the cooling fins 152, and further improve the cooling efficiency of the storage bin 110. In the embodiment, the first heat dissipation fan 153 may be provided in one, two, three or five equal numbers as needed, and is not particularly limited herein. In addition, the first heat dissipation fan 153 may be electrically connected to the energy storage battery 300, and may be powered by the energy storage battery 300.
In an embodiment, the first cover 420 may be provided with a first heat dissipation hole 421 and a second heat dissipation hole 422. The first heat dissipation hole 421 may be located on a side wall of the first cover 420 near the socket 440 and opposite to the heat dissipation fins 152. The second heat dissipation hole 422 may be located in the first cover plate 420 at a position opposite to the first heat dissipation fan 153.
In some embodiments, the hydrogen energy power supply further includes a second heat dissipation fan 610, and the second heat dissipation fan 610 may be fixedly installed at one side of the fuel cell 200. In an embodiment, the second heat dissipation fan 610 may be used to accelerate the flow of the gas around the fuel cell 200. In one aspect, heat dissipation from the fuel cell 200 may be increased. On the other hand, the oxygen amount in the surrounding environment of the fuel cell 200 can be increased, so that the reaction efficiency of the fuel cell 200 can be improved. In addition, the housing assembly 400 may be provided with a third heat dissipation hole 431, and the third heat dissipation hole 431 may be opposite to the second heat dissipation fan 610.
In some embodiments, the hydrogen energy power source further includes a heat insulation plate 620, and the heat insulation plate 620 may be disposed on a side of the storage bin 110 away from the water tank 120, so as to prevent the housing 410 from being excessively heated due to heat transferred from the storage bin 110. Wherein the thermal insulation plate 620 may be made of at least one of materials including, but not limited to, nano-insulation materials, thermal insulation foam, and the like.
As shown in fig. 1 and 2, the energy storage battery 300 may include a first output terminal 310 and a second output terminal 320. Wherein, the output voltage of the first output terminal 310 may be 5V. The output voltage of the second output terminal 320 may be 12V. Accordingly, the energy storage battery 300 can realize output of different voltages, and a user can select different output terminals according to needs so as to meet the needs of different use scenes. In some embodiments, the energy storage battery 300 may be a lithium battery.
In other embodiments, the energy storage battery 300 may be a lithium iron phosphate battery, a nickel cadmium battery, or the like.
As shown in fig. 1 and 7, the hydrogen energy power supply further includes a control unit 510, a first temperature sensor 521, and a second temperature sensor 522. The control unit 510 may be electrically connected to the first temperature sensor 521, the second temperature sensor 522, the pump body 130, the fuel cell 200, the energy storage battery 300, the first heat dissipation fan 153, and the second heat dissipation fan 610, respectively. In some embodiments, the control unit 510 may be implemented as an STC12C5A60S2 chip, a 16F876A-I/SP chip, or the like.
In an embodiment, the first temperature sensor 521 may be fixedly installed at one side of the storage bin 110, and the first temperature sensor 521 may be used to detect the temperature of the storage bin 110 during operation and may transmit the detected data to the control unit 510. The control unit 510 can regulate and control the power of the first cooling fan 153 according to the detection data of the first temperature sensor 521, so that the power of the first cooling fan 153 is matched with the temperature of the storage bin 110, thereby ensuring the heat generated by the storage bin 110 to be dissipated in time, avoiding the problems of faults and the like caused by overhigh temperature rise of the storage bin 110, and simultaneously realizing the energy-saving effect. In some embodiments, the speed regulation of the first cooling fan 153 may be achieved by a pulse-modulated dc motor speed regulator (Pulse Width Modulator Motor Speed Controller, PWM dc motor speed regulator).
The second temperature sensor 522 may be fixedly installed at one side of the fuel cell 200. The second temperature sensor 522 may be used to detect the temperature during the operation of the fuel cell 200 and may transmit the detection data to the control unit 510. The control unit 510 can regulate and control the power of the second cooling fan 610 according to the detection data of the second temperature sensor 522, so that the power of the second cooling fan 610 is matched with the temperature of the fuel cell 200, thereby ensuring the heat generated by the fuel cell 200 to be dissipated in time, avoiding the problems of faults and the like caused by overhigh temperature rise of the fuel cell 200, and simultaneously realizing the energy saving effect. In some embodiments, the speed of the second cooling fan 610 may be regulated by a pulse modulated dc motor speed regulator.
In addition, the hydrogen energy power supply further includes a first electric quantity detection module 531 and a second electric quantity detection module 532. The first power detection module 531 and the second power detection module 532 may be integrated with the control unit 510 on the same circuit board.
The first electric quantity detection module 531 may be electrically connected between the fuel cell 200 and the control unit 510, and the first electric quantity detection module 531 may be used to detect the output electric quantity of the fuel cell 200, so that the consumption condition of the solid hydrolysis hydrogen production material in the storage bin 110 may be known. In some embodiments, the first power detection module 531 may be a CS5460 chip or an HLW8013 chip.
It is understood that when the reserve of the solid hydrolysis hydrogen production material in the storage bin 110 is fixed, the hydrogen produced by the reaction of the solid hydrolysis hydrogen production material with the liquid is fixed, and thus the electric energy produced by the electrochemical reaction of the hydrogen is fixed, and it is understood that the reserve of the solid hydrolysis hydrogen production material in the storage bin 110 is proportional to the generated electric energy. Thus, the consumption of solid hydrolysis hydrogen production material in the storage bin 110 can be determined based on the output power of the fuel cell 200. When the solid hydrolysis hydrogen production material in the storage bin 110 is consumed, the control unit 510 can control the pump body 130 to stop working in time, so that the problems of overflow, waste of electric energy and the like are avoided. Accordingly, when the first electric quantity detection module 531 detects that the output electric quantity of the fuel cell 200 is equal to the first preset value, the control unit 510 may control the pump body 130 to be closed.
The second power detection module 532 may be electrically connected between the energy storage battery 300 and the control unit 510. The second charge detection module 532 may be used to detect a charge in the energy storage battery 300. Thus, the control unit 510 may control whether the hydrogen production device 100 is turned on according to the amount of electricity in the energy storage battery 300, and in particular, the control unit 510 may control the pump body 130 to be turned on according to the amount of electricity in the energy storage battery 300. In some embodiments, the second power detection module 532 may be a CS5460 chip or an HLW8013 chip, or the like.
For example, when the electric quantity in the energy storage battery 300 is greater than the second preset value, the control unit 510 may control the pump body 130 to be in the closed state, and may use the electric quantity in the energy storage battery 300 to supply power to the external device and the electrical components in the hydrogen energy power supply. When the electric quantity in the energy storage battery 300 is equal to or less than the second preset value, the control unit 510 may control the pump 130 to be turned on, so that the hydrogen production device 100 starts to operate and generate hydrogen, and the fuel cell 200 converts the electric energy by using the hydrogen and the oxygen to charge the energy storage battery 300. The second preset value may be set as needed, for example, the second preset value may be set to 20% or 30% or the like.
When the electric quantity in the energy storage battery 300 is greater than or equal to the third preset value, the control unit 510 may control the pump body 130 to close, and accordingly, the hydrogen production device 100 may stop working and may stop charging the energy storage battery 300. The third preset value may also be set as needed, for example, the third preset value may be set to 85% or 90% or the like.
The hydrogen energy power supply provided in the embodiments may include at least the following advantages:
1. the hydrogen generated by the hydrogen generating device 100 can be converted into electric energy through the fuel cell 200 and stored in the energy storage battery 300, and the structure such as a hydrogen storage device is not needed, so that on one hand, the whole volume of the hydrogen energy power supply can be reduced, and portability can be realized. On the other hand, the equipment cost can be reduced;
2. the hydrogen production device 100 prepares hydrogen through solid hydrolysis of hydrogen production materials, so that the volume of the hydrogen production device 100 can be reduced, and the portable effect is realized;
3. the heat radiation assembly 150 and the second heat radiation fan 610 are arranged, so that the safe use of the hydrogen energy power supply can be ensured; in addition, the heat dissipation assembly 150 is adapted to the temperature during the operation of the hydrogen production device 100, and the second heat dissipation fan 610 is adapted to the temperature during the operation of the fuel cell 200, so that the energy saving effect can be achieved while the normal operation of the hydrogen energy power supply is ensured;
4. the storage bin 110 is internally provided with the diversion channel 1107 and the gas transmission channel 1106, so that the hydrogen outlet efficiency and the hydrogen outlet amount can be improved, and the waiting time of a user can be reduced;
5. the storage bins 110 are connected by adopting quick connectors, so that users can conveniently disassemble, assemble and replace the storage bins 110;
6. the energy storage battery 300 is provided with two output terminals with different voltages, so that the requirements of different use scenes can be met, and the energy storage battery has higher universality;
7. in addition, the control unit 510 can coordinate the operation of the electric components in the same way, so that the hydrogen output is stable and the fluctuation is reduced.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. A hydrogen production apparatus, comprising:
the storage bin comprises a storage cavity, a water inlet and a first hydrogen outlet, wherein the storage cavity is used for storing solid hydrolysis hydrogen production materials, the storage cavity comprises a first end and a second end, the first end is positioned above the second end in the gravity direction, the first hydrogen outlet is close to the first end, and the water inlet is close to the second end;
the water tank is respectively connected with the water inlet and the first hydrogen outlet;
the pump body is connected between the water inlet and the water tank and is used for conveying liquid in the water tank to the storage bin.
2. The hydrogen plant of claim 1, wherein the storage bin comprises:
a housing assembly including the storage cavity;
the storage cavity is divided into at least two subchambers by at least one partition plate, and the at least two subchambers are used for storing the solid hydrolysis hydrogen production material.
3. The hydrogen plant of claim 2, wherein the storage bin further comprises a filter plate;
the filter plate is arranged at one end of the storage cavity, which is close to the first hydrogen outlet, the filter plate is matched with the shell assembly to form a gas transmission channel, the gas transmission channel is communicated with each subchamber through the filter plate, and the gas transmission channel is communicated with the first hydrogen outlet.
4. The hydrogen plant of claim 2 or 3, wherein the storage bin further comprises a support screen;
the support screen plate is arranged at one end of the storage cavity, which is close to the water inlet, and the support screen plate is matched with the shell assembly to form a diversion channel, the diversion channel is communicated with the water inlet, and the diversion channel is communicated with each subchamber.
5. The hydrogen plant of claim 1, further comprising a heat pipe, heat fins, and a first heat dissipating fan;
the heat conducting pipe is arranged between the storage bin and the water tank and protrudes relative to one side of the water tank, and is respectively connected with the storage bin and the water tank in a heat conduction manner;
the heat radiation fins are in heat conduction connection with one end of the heat conduction pipe protruding relative to the water tank;
the first cooling fan is arranged on one side of the cooling fins, which is far away from the heat conducting pipe, and the first cooling fan is used for accelerating the flow of gas in the cooling fins.
6. A hydrogen energy power supply comprising a hydrogen production apparatus as claimed in any one of claims 1 to 5.
7. The hydrogen energy power supply of claim 6, wherein the water tank includes a second hydrogen outlet;
the hydrogen energy power supply further comprises a fuel cell and an energy storage battery, wherein the input end of the fuel cell is connected with the second hydrogen outlet, and the output end of the fuel cell is connected with the energy storage battery.
8. The hydrogen energy power supply according to claim 7, further comprising a second heat radiation fan provided at one side of the fuel cell, the second heat radiation fan being for accelerating a flow of gas around the fuel cell.
9. The hydrogen energy power supply according to claim 8, further comprising a control unit, a first temperature sensor, a second temperature sensor, and a first cooling fan, wherein the control unit is electrically connected to the first temperature sensor, the second temperature sensor, the first cooling fan, and the second cooling fan, respectively, and the first cooling fan is disposed on one side of the storage bin;
the first temperature sensor is used for detecting the temperature of the storage bin, and the control unit is used for regulating and controlling the power of the first cooling fan according to the detection data of the first temperature sensor;
the second temperature sensor is used for detecting the temperature of the fuel cell, and the control unit is used for regulating and controlling the power of the second cooling fan according to the detection data of the second temperature sensor.
10. The hydrogen energy power supply according to any one of claims 7 to 9, characterized in that it further comprises a control unit connected to the fuel cell, the energy storage cell and the pump body, respectively;
when the output electric quantity of the fuel cell is equal to a first preset value, the control unit controls the pump body to be closed;
when the electric quantity of the energy storage battery is smaller than or equal to a second preset value, the control unit controls the pump body to be opened;
when the electric quantity of the energy storage battery is larger than or equal to a third preset value, the control unit controls the pump body to be closed, and the third preset value is larger than the second preset value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310149020.4A CN116161617A (en) | 2023-02-21 | 2023-02-21 | Hydrogen production device and hydrogen energy power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310149020.4A CN116161617A (en) | 2023-02-21 | 2023-02-21 | Hydrogen production device and hydrogen energy power supply |
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