CN113823813A - Efficient hydrogen fuel cell system and working method thereof - Google Patents
Efficient hydrogen fuel cell system and working method thereof Download PDFInfo
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- CN113823813A CN113823813A CN202110991632.9A CN202110991632A CN113823813A CN 113823813 A CN113823813 A CN 113823813A CN 202110991632 A CN202110991632 A CN 202110991632A CN 113823813 A CN113823813 A CN 113823813A
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
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- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
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Abstract
The invention belongs to the field of fuel cells, and particularly discloses an efficient hydrogen fuel cell system and a working method thereof, wherein the hydrogen fuel cell system comprises an energy management system, a load, a charging module, a mode conversion module, a distribution module, a control system, a central control module, a fuel cell stack air inlet pressure controller, a fuel cell stack temperature controller, a fuel cell stack air outlet pressure controller, a display module, a fuel cell stack air inlet valve, a fuel cell stack exhaust valve, an energy storage cell, a hydrogen generating device, a water inlet, a reaction chamber, a breathable membrane, an air outlet, a pressurizing delivery pump, an air inlet pressure controller, a water storage tank, an observation window, a water outlet pump, a water inlet pump and a water inlet electromagnetic valve; the efficient hydrogen fuel cell system disclosed by the invention has the advantages of reasonable design, compact structure, convenience in control, no need of arranging a large hydrogen fuel storage tank and high hydrogen utilization efficiency.
Description
Technical Field
The invention belongs to the field of fuel cells, and particularly discloses a high-efficiency hydrogen fuel cell system and a working method thereof.
Background
Hydrogen energy is considered to be the most abundant clean energy source in the universe. According to the world hydrogen energy society, it is predicted that 20% of global carbon dioxide reduction by 2050 will be accomplished by hydrogen energy. Moreover, the hydrogen fuel cell is used as automobile power, so that the hydrogen fuel cell is more environment-friendly, and the filling efficiency of the hydrogen fuel can be finished in three to five minutes as the fuel vehicle. With these advantages and the inclination of policy, hydrogen fuel cell-related industries have been receiving attention in recent years. A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy. The basic principle is the reverse reaction of electrolyzed water, hydrogen and oxygen are supplied to the anode and cathode respectively, and after the hydrogen diffuses out through the anode and reacts with the electrolyte, electrons are released to reach the cathode through an external load. The existing hydrogen fuel cell has a large gas storage tank, and is troublesome in hydrogen gas supplement, and the efficiency of the existing hydrogen fuel cell is still only about 50%, so that how to reduce the volume of the whole hydrogen fuel cell system and supplement hydrogen gas efficiently is a direction in which improvement of the efficiency of the hydrogen fuel cell is urgently needed.
Disclosure of Invention
In order to overcome the defects, the invention discloses an efficient hydrogen fuel cell system and a working method thereof.
The technical scheme of the invention is as follows:
a high-efficiency hydrogen fuel cell system comprises an energy management system, a load, a charging module, a mode conversion module, a distribution module, a control system, a central control module, a fuel cell stack inlet pressure controller, a fuel cell stack temperature controller, a fuel cell stack outlet pressure controller, a display module, a fuel cell stack inlet valve, a fuel cell stack exhaust valve, an energy storage cell, a hydrogen generation device, a water inlet, a reaction chamber, a breathable membrane, an air outlet, a pressurizing delivery pump, an inlet pressure controller, a water storage tank, an observation window, a water outlet pump, a water inlet pump and a water inlet electromagnetic valve; the energy management system comprises a load, a charging module, a mode conversion module and a voltage stabilizing module; the load is electrically connected with one ends of the charging module and the mode conversion module respectively, and the distribution module is electrically connected with the second ends of the charging module and the mode conversion module respectively; the control system comprises a central control module, a fuel cell stack inlet pressure controller, a fuel cell stack temperature controller, a fuel cell stack outlet pressure controller and a display module; the fuel cell stack inlet pressure controller, the fuel cell stack temperature controller, the fuel cell stack outlet pressure controller and the display module are respectively electrically connected with the central control module; the mode conversion module in the energy management system is electrically connected with the central control module; the fuel cell stack comprises a fuel cell stack air inlet valve and a fuel cell stack exhaust valve which are arranged on the left and the right; the fuel cell stack is electrically connected with a fuel cell stack inlet pressure controller, a fuel cell stack temperature controller and a fuel cell stack outlet pressure controller in the control system respectively; the fuel cell stack is also electrically connected with the distribution module; the energy storage battery is electrically connected with the charging module; the hydrogen generating device comprises a water inlet, a reaction chamber, a gas-permeable membrane, a gas outlet, a pressurizing delivery pump and a gas inlet pressure controller; the hydrogen generating device is a cylindrical box body; the water inlet is positioned at the bottom of the hydrogen generating device; the reaction chamber is positioned at the middle lower part of the hydrogen generating device, and the breathable film is arranged above the reaction chamber; the gas outlet is positioned at the top of the hydrogen generating device; the air outlet is connected with the pressurizing and conveying pump; the pressurizing delivery pump is connected with an air inlet pressure controller which is positioned near a fuel cell stack air inlet valve of the fuel cell stack through a pipeline; the air inlet pressure controller is connected with the fuel cell stack air inlet valve through a pipeline; the water storage tank comprises an observation window, a water outlet pump, a water inlet pump and a water inlet electromagnetic valve; the water storage tank is in a round pot shape, and the observation window is arranged on the side wall of the water storage tank; the water outlet pump is connected with the middle lower part of the water storage tank through a pipeline; the water inlet pump is connected with the top of the water storage tank through a pipeline; and the water inlet electromagnetic valve is also arranged between the water inlet pump and the top of the water storage tank. The system has reasonable design, compact structure and convenient control, does not need to arrange a large-scale hydrogen fuel storage tank, is provided with a hydrogen production device, and controls the temperature and the pressure in the fuel cell stack timely and reasonably through the control device, so that the utilization rate of the hydrogen fuel reaches the best.
Further, in the above high-efficiency hydrogen fuel cell system, a water-gas separator is further arranged between the fuel cell stack exhaust valve and the energy storage cell; and the hydrogen separated by the water-gas separator flows back to the fuel cell stack inlet valve. The water-gas separator is arranged, so that residual hydrogen in the tail gas can be fully utilized, and the fuel utilization rate is improved.
Further, according to the above efficient hydrogen fuel cell system, the control system is further provided with a wireless transceiver module, and the wireless transceiver module is electrically connected with the central control module. The wireless module is arranged, a circuit is not needed, the fuel cell can be remotely controlled to generate electricity, and the safety performance is improved while convenience is achieved.
Further, the fuel cell stack is provided with a heat recovery device. And a heat recovery device is arranged, so that energy is further saved, emission is reduced, and meanwhile, the temperature of the cell stack can be reduced, thereby achieving two purposes.
Further, in the above high-efficiency hydrogen fuel cell system, the heat recovery device is provided with a heat dissipation plate and a heat pipe, the heat dissipation plate is arranged around the fuel cell stack, and the heat pipe is filled with heat-conducting liquid.
Further, according to the efficient hydrogen fuel cell system, a filter is further arranged behind the water outlet pump. And a filter is arranged to further filter water in the reaction, remove impurities and protect the hydrogen generating device.
Further, in the high-efficiency hydrogen fuel cell system, the hydrogen generating device is a Proton Exchange Membrane (PEM) water electrolysis device. The proton exchange membrane water electrolysis device has high purity of the generated hydrogen.
Further, the above method for operating a high efficiency hydrogen fuel cell system includes the steps of:
s1, filling deionized water into the water storage tank, starting a water outlet pump to pump water into a water inlet of the hydrogen generation device;
s2, starting the hydrogen generating device, and conveying the hydrogen to the air inlet pressure controller through the air outlet and the pressurizing conveying pump through the air permeable membrane;
s3 the air inlet pressure controller controls the pressure of hydrogen entering into the fuel cell stack, and enters into the fuel cell stack through the air inlet valve of the fuel cell stack to generate electricity;
s4, the central control module operates the fuel cell stack inlet pressure controller, the fuel cell stack temperature controller and the fuel cell stack outlet pressure controller to control the power generation process of the fuel cell stack;
the electricity generated by the fuel cell stack of S5 enters a distribution module of the energy management system for voltage stabilization, and then enters a charging module for supplying power to a load or charging an energy storage battery according to the situation.
According to the technical scheme, the invention has the following beneficial effects:
the invention discloses a high-efficiency hydrogen fuel cell system and a working method thereof, the system has reasonable design, does not need to be provided with a large-scale hydrogen fuel storage tank, is provided with a hydrogen production device, and controls the temperature and the pressure in a fuel cell stack timely and reasonably through a control device, so that the utilization rate of hydrogen fuel reaches the best, and the actually measured power generation efficiency is higher than 55 percent; the hydrogen fuel cell system has small volume and convenient control, can be carried on various vehicles and used as an emergency power generation device for road rescue, and exerts good social benefits.
Drawings
FIG. 1 is a schematic view of a high-efficiency hydrogen fuel cell system according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a high-efficiency hydrogen fuel cell system according to embodiment 2 of the present invention;
wherein: the system comprises an energy management system 100, a load 110, a charging module 120, a mode conversion module 130, a distribution module 140, a control system 200, a central control module 210, a fuel cell stack inlet pressure controller 220, a fuel cell stack temperature controller 230, a fuel cell stack outlet pressure controller 240, a display module 250, a wireless transceiver module 260, a fuel cell stack 300, a fuel cell stack inlet valve 310, a fuel cell stack outlet valve 320, a water-gas separator 330, a heat recovery device 340, an energy storage battery 400, a hydrogen generation device 500, a water inlet 510, a reaction chamber 520, a gas permeable membrane 530, a gas outlet 540, a pressurizing delivery pump 550, an inlet pressure controller 560, a water storage tank 600, an observation window 610, a water outlet pump 620, a water inlet pump 630, a water inlet electromagnetic valve 640 and a filter 650.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
A high-efficiency hydrogen fuel cell system as shown in fig. 1, which comprises an energy management system 100, a load 110, a charging module 120, a mode conversion module 130, a distribution module 140, a control system 200, a central control module 210, a fuel cell stack inlet pressure controller 220, a fuel cell stack temperature controller 230, a fuel cell stack outlet pressure controller 240, a display module 250, a fuel cell stack 300, a fuel cell stack inlet valve 310, a fuel cell stack outlet valve 320, an energy storage cell 400, a hydrogen generating device 500, a water inlet 510, a reaction chamber 520, a gas permeable membrane 530, a gas outlet 540, a pressurizing delivery pump 550, an inlet pressure controller 560, a water storage tank 600, an observation window 610, a water outlet pump 620, a water inlet pump 630 and a water inlet electromagnetic valve 640; the energy management system 100 includes a load 110, a charging module 120, a mode conversion module 130, and a voltage stabilization module 140; the load 110 is electrically connected to one end of the charging module 120 and one end of the mode conversion module 130, and the distribution module 140 is electrically connected to the second end of the charging module 120 and the second end of the mode conversion module 130; the control system 200 includes a central control module 210, a stack inlet pressure controller 220, a stack temperature controller 230, a stack outlet pressure controller 240, and a display module 250; the fuel cell stack inlet pressure controller 220, the fuel cell stack temperature controller 230, the fuel cell stack outlet pressure controller 240 and the display module 250 are respectively electrically connected with the central control module 210; the mode conversion module 130 in the energy management system 100 is electrically connected to the central control module 210; the fuel cell stack 300 includes a stack inlet valve 310 and a stack outlet valve 320 disposed left and right; the fuel cell stack 300 is electrically connected to the fuel cell stack inlet pressure controller 220, the fuel cell stack temperature controller 230, and the fuel cell stack outlet pressure controller 240 in the control system 200, respectively; the fuel cell stack 300 is also electrically connected to the distribution module 140; the energy storage battery 400 is electrically connected to the charging module 120; the hydrogen generating device 500 comprises a water inlet 510, a reaction chamber 520, a gas-permeable membrane 530, a gas outlet 540, a pressurizing delivery pump 550 and a gas inlet pressure controller 560; the hydrogen generating device 500 is a cylindrical box body; the water inlet 510 is positioned at the bottom of the hydrogen generating device 500; the reaction chamber 520 is located at the middle lower part of the hydrogen generating device 500, and the gas-permeable membrane 530 is arranged above the reaction chamber 520; the gas outlet 540 is positioned at the top of the hydrogen generating device 500; the pressure delivery pump 550 is connected to the air outlet 540; the pressurizing delivery pump 550 is connected with an inlet pressure controller 560 near a fuel cell stack inlet valve 310 of the fuel cell stack 300 through a pipeline; the intake pressure controller 560 is connected to the stack intake valve 310 through a pipe; the water storage tank 600 comprises an observation window 610, a water outlet pump 620, a water inlet pump 630 and a water inlet electromagnetic valve 640; the water storage tank 600 is in a shape of a round can, and the observation window 610 is arranged on the side wall of the water storage tank 600; the water outlet pump 620 is connected with the middle lower part of the water storage tank 600 through a pipeline; the water inlet pump 630 is connected with the top of the water storage tank 600 through a pipeline; the water inlet electromagnetic valve 640 is also arranged between the water inlet pump 630 and the top of the water storage tank 600.
The operation method of the high-efficiency hydrogen fuel cell system comprises the following steps;
s1, filling deionized water into the water storage tank 600, and starting the water outlet pump 620 to pump water into the water inlet 510 of the hydrogen generating device 500;
s2, starting the hydrogen generating device 500, and conveying the hydrogen to the intake pressure controller 560 through the gas outlet 540 and the pressurizing and conveying pump 550 by the permeable membrane 530;
s3 the intake pressure controller 560 controls the pressure of the hydrogen gas entering the fuel cell stack 300, entering the fuel cell stack 300 through the stack intake valve 310 to generate electricity;
s4 the central control module 210 operates the stack inlet pressure controller 220, the stack temperature controller 230, and the stack outlet pressure controller 240 to control the power generation process of the fuel cell stack 300;
the electricity generated by the fuel cell stack 300 of S5 enters the distribution module 140 of the energy management system 100 for voltage stabilization, and then enters the charging module 120 to supply power to the load 110 or charge the energy storage battery 400, as the case may be.
Through tests, the actually measured power generation efficiency of the system is 55.9%.
Example 2
A high-efficiency hydrogen fuel cell system as shown in fig. 1, which comprises an energy management system 100, a load 110, a charging module 120, a mode conversion module 130, a distribution module 140, a control system 200, a central control module 210, a fuel cell stack inlet pressure controller 220, a fuel cell stack temperature controller 230, a fuel cell stack outlet pressure controller 240, a display module 250, a fuel cell stack 300, a fuel cell stack inlet valve 310, a fuel cell stack outlet valve 320, an energy storage cell 400, a hydrogen generating device 500, a water inlet 510, a reaction chamber 520, a gas permeable membrane 530, a gas outlet 540, a pressurizing delivery pump 550, an inlet pressure controller 560, a water storage tank 600, an observation window 610, a water outlet pump 620, a water inlet pump 630 and a water inlet electromagnetic valve 640; the energy management system 100 includes a load 110, a charging module 120, a mode conversion module 130, and a voltage stabilization module 140; the load 110 is electrically connected to one end of the charging module 120 and one end of the mode conversion module 130, and the distribution module 140 is electrically connected to the second end of the charging module 120 and the second end of the mode conversion module 130; the control system 200 includes a central control module 210, a stack inlet pressure controller 220, a stack temperature controller 230, a stack outlet pressure controller 240, and a display module 250; the fuel cell stack inlet pressure controller 220, the fuel cell stack temperature controller 230, the fuel cell stack outlet pressure controller 240 and the display module 250 are respectively electrically connected with the central control module 210; the mode conversion module 130 in the energy management system 100 is electrically connected to the central control module 210; the fuel cell stack 300 includes a stack inlet valve 310 and a stack outlet valve 320 disposed left and right; the fuel cell stack 300 is electrically connected to the fuel cell stack inlet pressure controller 220, the fuel cell stack temperature controller 230, and the fuel cell stack outlet pressure controller 240 in the control system 200, respectively; the fuel cell stack 300 is also electrically connected to the distribution module 140; the energy storage battery 400 is electrically connected to the charging module 120; the hydrogen generating device 500 comprises a water inlet 510, a reaction chamber 520, a gas-permeable membrane 530, a gas outlet 540, a pressurizing delivery pump 550 and a gas inlet pressure controller 560; the hydrogen generating device 500 is a cylindrical box body; the water inlet 510 is positioned at the bottom of the hydrogen generating device 500; the reaction chamber 520 is located at the middle lower part of the hydrogen generating device 500, and the gas-permeable membrane 530 is arranged above the reaction chamber 520; the gas outlet 540 is positioned at the top of the hydrogen generating device 500; the pressure delivery pump 550 is connected to the air outlet 540; the pressurizing delivery pump 550 is connected with an inlet pressure controller 560 near a fuel cell stack inlet valve 310 of the fuel cell stack 300 through a pipeline; the intake pressure controller 560 is connected to the stack intake valve 310 through a pipe; the water storage tank 600 comprises an observation window 610, a water outlet pump 620, a water inlet pump 630 and a water inlet electromagnetic valve 640; the water storage tank 600 is in a shape of a round can, and the observation window 610 is arranged on the side wall of the water storage tank 600; the water outlet pump 620 is connected with the middle lower part of the water storage tank 600 through a pipeline; the water inlet pump 630 is connected with the top of the water storage tank 600 through a pipeline; the water inlet electromagnetic valve 640 is also arranged between the water inlet pump 630 and the top of the water storage tank 600; preferably, a water-gas separator 330 is further disposed between the fuel cell stack exhaust valve 320 and the energy storage cell 400; the hydrogen separated by the moisture separator 330 flows back into the fuel cell stack inlet valve 310; particularly, the control system 200 is further provided with a wireless transceiver module 260, and the wireless transceiver module 260 is electrically connected with the central control module 210; further, a heat recovery device 340 is disposed on the fuel cell stack 300; specifically, the heat recovery device 340 is provided with a heat dissipation plate and a heat pipe, the heat dissipation plate is disposed around the fuel cell stack 300, and the heat pipe is filled with a heat conductive liquid; preferably, a filter 650 is further arranged behind the water outlet pump 620; in particular, the hydrogen generator 500 is a proton exchange membrane PEM water electrolyzer.
The operation method of the high-efficiency hydrogen fuel cell system comprises the following steps;
s1, filling deionized water into the water storage tank 600, and starting the water outlet pump 620 to pump water into the water inlet 510 of the hydrogen generating device 500;
s2, starting the hydrogen generating device 500, and conveying the hydrogen to the intake pressure controller 560 through the gas outlet 540 and the pressurizing and conveying pump 550 by the permeable membrane 530;
s3 the intake pressure controller 560 controls the pressure of the hydrogen gas entering the fuel cell stack 300, entering the fuel cell stack 300 through the stack intake valve 310 to generate electricity;
s4 the central control module 210 operates the stack inlet pressure controller 220, the stack temperature controller 230, and the stack outlet pressure controller 240 to control the power generation process of the fuel cell stack 300;
the electricity generated by the fuel cell stack 300 of S5 enters the distribution module 140 of the energy management system 100 for voltage stabilization, and then enters the charging module 120 to supply power to the load 110 or charge the energy storage battery 400, as the case may be.
Through tests, the actually measured power generation efficiency of the system is 56.7%.
The above are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and all the equivalent changes and modifications made by the claims and the summary of the invention should be covered by the protection scope of the present patent application.
Claims (8)
1. The efficient hydrogen fuel cell system is characterized by comprising an energy management system (100), a load (110), a charging module (120), a mode conversion module (130), a distribution module (140), a control system (200), a central control module (210), a fuel cell stack air inlet pressure controller (220), a fuel cell stack temperature controller (230), a fuel cell stack air outlet pressure controller (240), a display module (250), a fuel cell stack (300), a fuel cell stack air inlet valve (310), a fuel cell stack air outlet valve (320), an energy storage cell (400), a hydrogen generation device (500), a water inlet (510), a reaction chamber (520), a breathable membrane (530), an air outlet (540), a pressurizing delivery pump (550), an air inlet pressure controller (560), a water storage tank (600), an observation window (610), a water outlet pump (620), and a water outlet pump (620), A water inlet pump (630) and a water inlet electromagnetic valve (640); the energy management system (100) comprises a load (110), a charging module (120), a mode conversion module (130) and a voltage regulation module (140); the load (110) is electrically connected with one ends of the charging module (120) and the mode conversion module (130), and the distribution module (140) is electrically connected with the second ends of the charging module (120) and the mode conversion module (130); the control system (200) comprises a central control module (210), a fuel cell stack inlet pressure controller (220), a fuel cell stack temperature controller (230), a fuel cell stack outlet pressure controller (240) and a display module (250); the fuel cell stack inlet pressure controller (220), the fuel cell stack temperature controller (230), the fuel cell stack outlet pressure controller (240) and the display module (250) are respectively electrically connected with the central control module (210); the mode conversion module (130) in the energy management system (100) is electrically connected with the central control module (210); the fuel cell stack (300) comprises a fuel cell stack inlet valve (310) and a fuel cell stack exhaust valve (320) which are arranged on the left and the right; the fuel cell stack (300) is electrically connected with a fuel cell stack inlet pressure controller (220), a fuel cell stack temperature controller (230) and a fuel cell stack outlet pressure controller (240) in the control system (200) respectively; the fuel cell stack (300) is also electrically connected with the distribution module (140); the energy storage battery (400) is electrically connected with the charging module (120); the hydrogen generating device (500) comprises a water inlet (510), a reaction chamber (520), a gas-permeable membrane (530), a gas outlet (540), a pressurizing delivery pump (550) and a gas inlet pressure controller (560); the hydrogen generating device (500) is a cylindrical box body; the water inlet (510) is positioned at the bottom of the hydrogen generating device (500); the reaction chamber (520) is positioned at the middle lower part of the hydrogen generating device (500), and the breathable film (530) is arranged above the reaction chamber (520); the gas outlet (540) is positioned at the top of the hydrogen generating device (500); the air outlet (540) is connected with the pressure delivery pump (550); the pressure delivery pump (550) is connected with an inlet air pressure controller (560) which is positioned near a fuel cell stack inlet valve (310) of the fuel cell stack (300) through a pipeline; the intake pressure controller (560) is connected with the fuel cell stack intake valve (310) through a pipeline; the water storage tank (600) comprises an observation window (610), a water outlet pump (620), a water inlet pump (630) and a water inlet electromagnetic valve (640); the water storage tank (600) is in a round pot shape, and the observation window (610) is arranged on the side wall of the water storage tank (600); the water outlet pump (620) is connected with the middle lower part of the water storage tank (600) through a pipeline; the water inlet pump (630) is connected with the top of the water storage tank (600) through a pipeline; the water inlet electromagnetic valve (640) is further arranged between the water inlet pump (630) and the top of the water storage tank (600).
2. A high efficiency hydrogen fuel cell system in accordance with claim 1, wherein a moisture separator (330) is further provided between the fuel cell stack exhaust valve (320) and the energy storage cell (400); the hydrogen separated by the water separator (330) flows back to the fuel cell stack inlet valve (310).
3. A high efficiency hydrogen fuel cell system in accordance with claim 1, wherein said control system (200) further comprises a wireless transceiver module (260), said wireless transceiver module (260) is electrically connected to said central control module (210).
4. A high efficiency hydrogen fuel cell system in accordance with claim 1, wherein said fuel cell stack (300) is provided with a heat recovery device (340).
5. A high efficiency hydrogen fuel cell system in accordance with claim 4, wherein said heat recovery device (340) is provided with a heat sink and a heat pipe, said heat sink is disposed around said fuel cell stack (300), and said heat pipe is filled with a heat conductive liquid.
6. A high efficiency hydrogen fuel cell system in accordance with claim 1, wherein said water outlet pump (620) is followed by a filter (650).
7. A high efficiency hydrogen fuel cell system in accordance with claim 1, wherein the hydrogen generating device (500) is a Proton Exchange Membrane (PEM) water electrolysis device.
8. The method of operating a high efficiency hydrogen fuel cell system as claimed in any one of claims 1 to 7, comprising the steps of:
s1, deionized water is filled into the water storage tank (600), and a water outlet pump (620) is started to pump the water into a water inlet (510) of the hydrogen generating device (500); s2, starting the hydrogen generating device (500), and conveying the hydrogen to the intake pressure controller (560) through the gas outlet (540) and the pressurizing conveying pump (550) by permeating the gas permeable membrane (530);
s3 the air inlet pressure controller (560) controls the pressure of the hydrogen entering the fuel cell stack (300), enters the fuel cell stack (300) through the fuel cell stack air inlet valve (310) to generate electricity;
s4, the central control module (210) operates the fuel cell stack inlet pressure controller (220), the fuel cell stack temperature controller (230) and the fuel cell stack outlet pressure controller (240) to control the power generation process of the fuel cell stack (300);
the electricity generated by the fuel cell stack (300) of S5 enters the distribution module (140) of the energy management system (100) for voltage stabilization, and then enters the charging module (120) for supplying power to the load (110) or charging the energy storage battery (400) according to the situation.
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| CN202110991632.9A CN113823813A (en) | 2021-08-27 | 2021-08-27 | Efficient hydrogen fuel cell system and working method thereof |
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| CN202110991632.9A CN113823813A (en) | 2021-08-27 | 2021-08-27 | Efficient hydrogen fuel cell system and working method thereof |
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Application publication date: 20211221 |