CN212676315U - Hydrogen energy power supply equipment for low-temperature environment - Google Patents
Hydrogen energy power supply equipment for low-temperature environment Download PDFInfo
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- CN212676315U CN212676315U CN202022053180.3U CN202022053180U CN212676315U CN 212676315 U CN212676315 U CN 212676315U CN 202022053180 U CN202022053180 U CN 202022053180U CN 212676315 U CN212676315 U CN 212676315U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
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Abstract
The utility model provides a hydrogen energy power supply equipment for low temperature environment belongs to power supply unit technical field. A hydrogen-powered apparatus for use in a cryogenic environment comprising: the water tank, the splendid attire container, the reaction storehouse, heat cycle equipment and fuel cell, the splendid attire container is used for holding the solid, heat cycle equipment is connected with the splendid attire container and is set up in order to supply heat to the splendid attire container, the water tank is used for holding reaction liquid, the export of water tank and the export of splendid attire container respectively with the reaction storehouse intercommunication, the hydrogen production material reaction of hydrolysising in reaction liquid and the reaction storehouse produces hydrogen, the gas outlet in reaction storehouse and fuel cell's air inlet intercommunication, fuel cell is used for turning into the electric energy. This application can improve the power supply stability that the power supply was equipped, and starts fast in low temperature environment, and in addition, this power supply is equipped and is utilized hydrogen to acquire the electric energy, has effectively avoided energy waste and environmental pollution.
Description
Technical Field
The utility model relates to a technical field is equipped in the power supply, particularly, relates to a hydrogen energy power supply equipment for low temperature environment.
Background
In extremely cold winter areas such as northeast, Russian and Siberian areas or polar regions of China, local power resources are often extremely deficient and cannot meet the power requirements of tasks such as land development and mineral exploration. Usually, a diesel generating set is adopted to supply power for the local area, however, the diesel oil is easy to freeze in a cold environment to generate a phenomenon of wax hanging, the power supply stability of the diesel generating set is greatly influenced, the complexity of the equipment structure and the delay of equipment starting are increased in the process of improving the fluidity of the diesel oil through fuel oil preheating, and meanwhile, a large amount of energy is wasted.
At present, hydrogen is prepared by a solid hydrolysis hydrogen production material and is supplied to a hydrogen-oxygen fuel cell for power generation, so that the method is a novel power generation technology. In order to solve the technical problems of poor power supply stability, start-up delay, energy waste and the like, a power supply device based on a hydrolysis hydrogen production technology is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrogen energy power supply equipment for low temperature environment to among the solution prior art, power supply stability is poor, start-up postpones and the extravagant technical problem of the energy.
The embodiment of the utility model is realized like this:
the embodiment of the utility model provides a hydrogen energy power supply equipment for low temperature environment, include: the water tank, the splendid attire container, the reaction storehouse, heat cycle equipment and fuel cell, the splendid attire container is used for holding the solid, heat cycle equipment is connected with the splendid attire container and is set up in order to supply heat to the splendid attire container, the water tank is used for holding reaction liquid, the export of water tank and the export of splendid attire container respectively with the reaction storehouse intercommunication, the hydrogen production material reaction of hydrolysising in reaction liquid and the reaction storehouse produces hydrogen, the gas outlet in reaction storehouse and fuel cell's air inlet intercommunication, fuel cell is used for turning into the electric energy.
Optionally, the container includes a housing and a liner layer, the liner layer is disposed in the housing, the solid is disposed in the liner layer, and the heat circulation device heats the liner layer.
Optionally, the container further comprises a thermal insulation structure disposed outside the housing.
Optionally, the insulating structure is an insulating film.
Optionally, the water tank comprises a tank body and a heat preservation shell arranged in the tank body.
Optionally, the water tank further comprises a heating structure arranged between the tank body and the heat preservation shell, and the heating structure is used for heating in a current-passing state.
Optionally, the heating structure is a heating wire.
Optionally, the hydrogen energy power supply equipment for low temperature environment further comprises a power management device connected with the second power interface of the fuel cell, and the power management device is used for distributing the electric energy output by the fuel cell.
Optionally, the power management device includes a first interface for connecting with the secondary battery and a second interface for connecting with the power consumption device.
Optionally, the reaction bin includes a heating layer and a heat preservation layer, the heating layer is inserted inside the heat preservation layer, and the heating layer is heated by heat generated by the heat circulation equipment.
The utility model discloses beneficial effect includes:
the embodiment of the utility model provides a pair of hydrogen energy power supply equipment for low temperature environment, this power supply equipment include water tank, splendid attire container, reaction bin, heat cycle equipment and fuel cell. Wherein, the splendid attire container is used for holding the solid, and this solid is snow or ice generally, and heat cycle equipment is connected the setting with the splendid attire container and is in order to the heat supply to the splendid attire container, heats ice or snow in to the splendid attire container through heat cycle equipment to make it melt, form the reaction liquid. The water tank is used for holding reaction liquid, the export of water tank and the export of splendid attire container communicate with the reaction bin respectively, reaction liquid and the hydrogen production material reaction of hydrolysising in the reaction bin produce hydrogen, when this power supply unit just started, reaction liquid in the water tank passes through the water tank export and gets into the reaction bin, provide the required reaction liquid of hydrogen production reaction of hydrolysising, the hydrogen that reaction liquid that provides in the water tank produced converts fuel cell's electric energy in-process into, can release a large amount of heats, the heat that fuel cell produced and hydrogen production of hydrolysising produce the heat and circulate heat to splendid attire container and reaction bin and whole set of system pipeline through heat cycle equipment, make snow in the splendid attire container or ice melt in order to form reaction liquid, can guarantee the pipeline normal open simultaneously, at this moment, this reaction liquid gets into the reaction bin through the splendid attire container export, provide the. So, can last the power supply to the start-up of equipment is quick, need not to heat equipment, because the reaction liquid generally is water, and water is desirable everywhere, and the gas outlet in reaction storehouse communicates with fuel cell's air inlet to turn into the electric energy storage with hydrogen at fuel cell, through the power supply of hydrogen energy source, replaced diesel engine unit power supply among the prior art, effectively practiced thrift the energy, avoided environmental pollution.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a hydrogen energy power supply device for a low-temperature environment according to an embodiment of the present invention.
Icon: 100-hydrogen powered equipment for low temperature environments; 110-a container; 120-a water tank; 130-a reaction bin; 140-a fuel cell; 150-a heat cycle device; 160-a power management device; 200-a power consumer; 300-secondary battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: the terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the description and are used in a generic and descriptive sense only and not for purposes of limitation, the term "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like. Furthermore, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In extremely cold winter areas such as northeast, russian siberia or polar regions of China, local power resources are often extremely deficient and cannot meet the power requirements of tasks such as land development, mineral exploration and the like. Usually, a diesel generating set is adopted to supply power for the local area, however, the diesel oil is easy to freeze in a cold environment to generate a phenomenon of wax hanging, the power supply stability of the diesel generating set is greatly influenced, the complexity of the equipment structure and the delay of equipment starting are increased in the process of improving the fluidity of the diesel oil through fuel oil preheating, and meanwhile, a large amount of energy is wasted. At present, the hydrogen is prepared by the solid hydrolysis hydrogen production material and is supplied to the hydrogen-oxygen fuel cell 140 for power generation, which is a new power generation technology. In order to solve the above-mentioned disadvantages, the present application is proposed, and the present application is based on a power supply device of hydrolysis hydrogen production technology, and it should be noted that the manner of producing hydrogen is not limited thereto. The following is the example section of the present application.
Fig. 1 is a schematic structural diagram of a hydrogen energy power supply equipment 100 for low temperature environment, please refer to fig. 1, an embodiment of the present invention provides a hydrogen energy power supply equipment 100 for low temperature environment, including: water tank 120, splendid attire container 110, reaction bin 130, heat cycle equipment 150 and fuel cell 140, splendid attire container 110 is used for holding the solid matter, heat cycle equipment 150 is connected with splendid attire container 110 and sets up in order to supply heat to splendid attire container 110, water tank 120 is used for holding reaction liquid, the export of water tank 120 and the export of splendid attire container 110 communicate with reaction bin 130 respectively, reaction liquid and the hydrogen manufacturing material reaction of hydrolysising in the reaction bin 130 produce hydrogen, the gas outlet of reaction bin 130 communicates with fuel cell 140's air inlet, fuel cell 140 is used for turning into the electric energy with hydrogen and stores.
Low temperature environment means that the temperature in the environment is in the range of-10 ℃ to-50 ℃.
The water tank 120 may be a cylinder or a cube, and is not limited to the above, the water tank 120 is used to hold a reaction solution, and the reaction solution may be pure water, river water, or seawater, as long as the reaction solution is a water-containing solution.
The container 110 is used to contain a solid, which is a solid capable of melting to generate a reaction solution, for example, snow, ice or a mixture of ice and snow. The specific structure and size of the container 110 are not limited, and it is possible for those skilled in the art to design the container according to actual needs.
The reaction bin 130 is a container for chemical reaction between the reaction solution and the hydrolysis hydrogen production material, and specifically, the reaction bin 130 is a sealing structure to prevent the generated hydrogen from leaking, which results in low hydrogen production rate. The reaction bin 130 has a hydrolysis hydrogen production material therein, so that the reaction liquid flowing out from the outlet of the water tank 120 or the outlet of the container 110 chemically reacts with the hydrolysis hydrogen production material to produce hydrogen.
The heat cycle device 150 may be various, for example, the heat cycle device 150 is a steam generator, wherein the steam generator is a mechanical device that heats water into hot water or steam by using heat energy of fuel or other energy sources; or the heat circulating device 150 is an electric heater. The heat released by the fuel cell 140 and the heat released by the hydrogen hydrolysis reaction in the reaction bin 130 circulate the heat to the reaction bin 130 and the container 110 through the heat exchange medium in the heat circulation device 150, so as to heat the reaction bin 130 and the container 110, wherein the heat exchange medium may be liquid or gas with high specific heat capacity such as heat transfer oil, water, air, etc.
Fuel Cell 140(Fuel Cell) is a power generation device that converts chemical energy present in a Fuel and an oxidant directly into electrical energy. Specifically, the fuel cell 140 is essentially an electrochemical device, and has the same composition as a general battery. A single cell is composed of positive and negative electrodes (a negative electrode, i.e., a fuel electrode, and a positive electrode, i.e., an oxidant electrode) and an electrolyte. Except that the active material of a general battery is stored inside the battery, and thus, the battery capacity is limited. The positive and negative electrodes of the fuel cell 140 themselves do not contain active materials, but are catalytic conversion elements. The fuel cell 140 is thus an energy conversion machine that converts chemical energy into electrical energy. When the cell is operated, the fuel and the oxidant are supplied from the outside to react. In principle, the fuel cell 140 can continuously generate electricity as long as the reactants are continuously fed and the reaction products are continuously removed, and the fuel cell 140 does not pollute the environment because the product of the fuel cell 140 is only water.
Before the hydrogen energy power supply equipment is started, heat preservation measures are carried out on the water tank 120, a certain amount of reaction liquid is added into the water tank 120, a large amount of ice, snow or ice and snow mixture is put into the container 110, sufficient hydrolysis hydrogen production materials are put into the reaction bin 130, so that the outlet of the water tank 120 and the outlet of the container 110 are respectively communicated with the liquid inlet of the reaction bin 130, firstly, the reaction liquid in the water tank 120 enters the reaction bin 130 and reacts with the hydrolysis hydrogen production materials to generate hydrogen, the hydrogen enters the fuel cell 140 through the gas outlet of the reaction bin 130 to generate electric energy, a large amount of heat can be released in the process of generating the electric energy by the fuel cell 140, a large amount of heat released by the fuel cell 140 and a large amount of heat released by the reaction bin 130 are circulated to the container 110 through the heat circulation equipment 150 to melt solids in the container 110, and further generate continuous reaction liquid for hydrolysis reaction, and more electrical energy is generated by the fuel cell. If this power supply is equipped when being arranged in low temperature environment, can make the power supply stability of power supply equipment good and start fast, because of this power supply is equipped and utilizes hydrogen to acquire the electric energy again, replaced diesel oil combustion activity kinetic energy among the prior art, effectively avoided the energy waste and environmental pollution.
The embodiment of the utility model provides a hydrogen energy power supply equipment 100 for low temperature environment, this power supply equipment include water tank 120, splendid attire container 110, reaction bin 130, heat cycle equipment 150 and fuel cell 140. Wherein, the container 110 is used for containing solid, wherein the solid is generally snow or ice, the heat circulation device 150 is connected with the container 110 to supply heat to the container 110, and the ice or snow in the container 110 is heated by the heat circulation device 150 to be melted to form the reaction liquid. The water tank 120 is used for containing reaction liquid, the outlet of the water tank 120 and the outlet of the container 110 are respectively communicated with the reaction bin 130, the reaction liquid reacts with the hydrolysis hydrogen production material in the reaction bin 130 to generate hydrogen, when the power supply device is just started, the reaction liquid in the water tank 120 enters the reaction bin 130 through the outlet of the water tank 120 to provide the reaction liquid required by the hydrolysis hydrogen production reaction, in the process that the hydrogen generated by the reaction liquid provided in the water tank 120 is converted into the electric energy of the fuel cell 140, a large amount of heat can be released, the heat generated by the fuel cell and the heat generated by the hydrolysis hydrogen production circulate to the container and the reaction bin through the heat circulation device 150, so that snow or ice in the container 110 is melted to form the reaction liquid, and at the moment, the reaction liquid enters the reaction bin 130 through the outlet of the container 110 to provide the reaction liquid required by the hydrolysis hydrogen production reaction. So, can last the power supply, and the start-up of equipment is quick, need not to heat equipment, because reaction liquid water is desirable everywhere, the gas outlet in reaction storehouse 130 communicates with fuel cell 140's air inlet, with turn into the electric energy at fuel cell 140 with hydrogen, the electric energy that hydrogen changed into both can be for the consumer power supply, still can charge for secondary cell, so that secondary cell stores the electric energy, supply power through the hydrogen energy source, diesel engine group power supply among the prior art has been replaced, effective energy saving, environmental pollution has been avoided.
In order to further improve the heat preservation effect of the container 110, optionally, in this embodiment, the container 110 includes an outer shell and an inner container layer, the inner container layer is disposed in the outer shell, the solid is disposed in the inner container layer, and the heat circulation device 150 heats the inner container layer.
For example, if the thermal cycling device 150 is a steam generator, steam generated by the steam generator is introduced between the outer shell and the inner container layer of the container 110, and heats the inner container layer to melt solids in the inner container layer.
Further, container 110 may further include a thermal insulation structure disposed outside the housing.
The heat preservation structure is used for preserving heat to the shell, effectively reduces the decline of shell temperature to splendid attire container 110's heat preservation effect has effectively been improved.
Optionally, the heat insulating structure in this embodiment is a heat insulating film.
For example, the heat-insulating film is a plastic double-layer heat-insulating film, the main material of the heat-insulating film is high-pressure polyethylene, and the heat-insulating effect is obvious.
In order to improve the heat preservation effect of the water tank 120, optionally, the water tank 120 in this embodiment includes a tank body and a heat preservation shell disposed in the tank body.
The water tank 120 is arranged to be of a double-layer structure, that is, the water tank 120 comprises a tank body and a heat preservation shell arranged in the tank body, so that the solidification speed of the reaction liquid in the water tank 120 in a low-temperature environment can be effectively reduced, and the hydrolysis hydrogen production reaction can be continued.
Further, the water tank 120 further includes a heating structure disposed between the tank body and the heat-insulating case, and the heating structure is used for generating heat in a state of being supplied with current.
In an extremely cold environment, for example, the temperature of the extremely cold environment is 40 ℃ below zero, even if the water tank 120 is provided with a double-layer structure, since the ambient temperature is too low, the solidification speed of the reaction liquid in the water tank 120 is accelerated, so that the hydrolysis hydrogen production reaction cannot be continuously performed, thereby affecting the power supply stability of a hydrogen energy power supply equipment 100 for a low temperature environment, and therefore, in order to avoid the above situation, a heating structure is provided between the tank and the heat-insulating shell.
Wherein, when the reaction solution in the water tank 120 is solidified, it is heated by a heating structure, such as a heating wire, so that the solidified reaction solution in the water tank 120 is melted, and the subsequent hydrolysis hydrogen production reaction can be continued.
Optionally, the heating structure is a heating wire.
The principle of heating of the heating wire is the thermal effect of the current. The thermal effect of the current is that when the current passes through the resistor, the current does work to consume electric energy, so that heat is generated, and the phenomenon is called the thermal effect of the current. In which the current required for supplying the heating wire is supplied from the battery, that is, in an extremely cold environment, the electric energy supplied from the secondary battery 300 is first used to supply power to the heating structure, so that the heating structure can heat the water tank 120 to prevent the reaction liquid in the water tank 120 from being solidified, thereby allowing the hydrolysis hydrogen production reaction to be continued.
The heating of the heating wire can be continuous or arranged at intervals, for example, a starting switch is arranged on the heating wire, when the switch is turned on, the heating wire heats, and when the switch is turned off, the heating wire does not heat.
Here, the secondary battery 300(Rechargeable battery) is also called a Rechargeable battery or a secondary battery, and refers to a battery that can be continuously used by activating an active material by charging after the battery is discharged. By utilizing the reversibility of chemical reactions, a new battery can be constructed, namely after one chemical reaction is converted into electric energy, the chemical system can be repaired by using the electric energy, and then the electric energy is converted into the electric energy by utilizing the chemical reaction, so that the secondary battery 300 (a rechargeable battery) is obtained.
Optionally, the hydrogen energy supply equipment 100 for low temperature environment further comprises a power management device 160 connected to the second power interface of the fuel cell 140, the power management device 160 being configured to distribute the electrical energy output by the fuel cell 140.
Alternatively, the power management device 160 includes a first interface for connecting with the secondary battery 300 and a second interface for connecting with the electric device 200.
The power management device 160 is used for adjusting the power distribution of the fuel cell 140 according to the power generation of the fuel cell 140, for example, when the power generation of the fuel cell 140 is smaller than a first preset value, the power management device 160 controls the power generated by the fuel cell 140 to be supplied to the heat circulation device in its entirety, and automatically distributes the secondary battery 300 for supplement; when the generated power of the fuel cell 140 is greater than a first preset value and less than a second preset value, the power management apparatus 160 controls the electric power generated by the fuel cell 140 to be supplied to the heat circulating device and the secondary battery 300, respectively, for charging.
In order to further improve the sustainability of the hydrolysis hydrogen production reaction in the low-temperature environment, optionally, the reaction bin 130 in this embodiment includes a heating layer and a heat preservation layer, the heating layer is inserted inside the heat preservation layer, and the heating layer is heated by the heat generated by the heat circulation device 150.
Hydrolysis hydrogen production materials are arranged in the heat preservation layer, and the reaction liquid and the hydrolysis hydrogen production materials react in the heat preservation layer to produce hydrogen required by the fuel cell 140.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hydrogen-powered apparatus for use in a cryogenic environment, comprising: the device comprises a water tank, a container, a reaction bin, heat circulation equipment and a fuel cell, wherein the container is used for containing solid matters, the heat circulation equipment is connected with the container to supply heat to the container, the water tank is used for containing reaction liquid, an outlet of the water tank and an outlet of the container are respectively communicated with the reaction bin, the reaction liquid reacts with a hydrolysis hydrogen production material in the reaction bin to generate hydrogen, an air outlet of the reaction bin is communicated with an air inlet of the fuel cell, and the fuel cell is used for converting the hydrogen into electric energy to be stored.
2. The hydrogen energy supply equipment for low temperature environment according to claim 1, wherein said container comprises an outer shell and an inner container layer, said inner container layer is disposed in said outer shell, said solid matter is disposed in said inner container layer, and said heat circulation device heats said inner container layer.
3. A hydrogen-powered apparatus for cryogenic environments as defined in claim 2, wherein the containment vessel further includes a thermal insulation structure disposed outside the enclosure.
4. The hydrogen energy powered equipment for a cryogenic environment of claim 3 wherein the insulating structure is an insulating membrane.
5. The hydrogen energy powered equipment for a cryogenic environment of claim 1, wherein the water tank comprises a tank body and a thermal shell disposed within the tank body.
6. The hydrogen energy supply equipment for a cryogenic environment of claim 5, wherein the water tank further comprises a heating structure disposed between the tank body and the thermal shell, the heating structure configured to generate heat in the presence of an electrical current.
7. The hydrogen energy powered equipment for a cryogenic environment of claim 6 wherein the heating structure is a heating wire.
8. The hydrogen energy supply equipment for a cryogenic environment of claim 1, further comprising a power management device connected to the second power interface of the fuel cell, the power management device configured to distribute the electrical energy output by the fuel cell.
9. The hydrogen energy powered equipment for a cryogenic environment of claim 8, wherein the power management device comprises a first interface for connecting with a secondary battery and a second interface for connecting with a powered device.
10. The hydrogen energy supply equipment for low temperature environment according to claim 1, wherein said reaction chamber comprises a heating layer and an insulating layer, said heating layer is inserted inside said insulating layer, and said heating layer is heated by heat generated by said heat circulating device.
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| CN202022053180.3U CN212676315U (en) | 2020-09-17 | 2020-09-17 | Hydrogen energy power supply equipment for low-temperature environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428836A (en) * | 2021-08-03 | 2021-09-24 | 上海宇集动力系统有限公司 | Hydrogen production device capable of operating in low-temperature environment and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428836A (en) * | 2021-08-03 | 2021-09-24 | 上海宇集动力系统有限公司 | Hydrogen production device capable of operating in low-temperature environment and control method thereof |
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Effective date of registration: 20230817 Address after: 518000 Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) Address before: 518000 Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) Patentee before: Shenzhen Zhonghydrogen Technology Co.,Ltd. Patentee before: Henan China Hydrogen Power Research Institute Co.,Ltd. |
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