CN114506813A - Graphene hydrogen storage device and control method thereof - Google Patents

Graphene hydrogen storage device and control method thereof Download PDF

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Publication number
CN114506813A
CN114506813A CN202210194118.7A CN202210194118A CN114506813A CN 114506813 A CN114506813 A CN 114506813A CN 202210194118 A CN202210194118 A CN 202210194118A CN 114506813 A CN114506813 A CN 114506813A
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hydrogen storage
graphene
box body
hydrogen
storage box
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潘晓钢
韩西蒙
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China Energy Hydrogen Storage Beijing Energy Engineering Research Institute Co ltd
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China Energy Hydrogen Storage Beijing Energy Engineering Research Institute Co ltd
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    • 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
    • C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
    • C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
    • C01B3/0021—Carbon, e.g. active carbon, carbon nanotubes, fullerenes; Treatment thereof
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

Abstract

The invention relates to a graphene hydrogen storage device, wherein: the hydrogen filling pipe (9) is connected to the graphene hydrogen storage box body (10) in a high-precision welding mode, and the electromagnetic valve switch (8) is used for controlling filling and releasing of hydrogen; the hydrogen flow meter (7) is used for monitoring the total flow of filling and releasing hydrogen in real time; the electric field plates (12) are arranged on the front side and the rear side of the graphene hydrogen storage box body (10), and an electric field anode (4) of the box body and an electric field cathode (14) of the box body are respectively arranged on the electric field plates (12) of the graphene hydrogen storage box body (10) and are used for being connected with a power supply anode (2) and a power supply cathode (1) of the power supply (3); the heating devices are arranged at the left end and the right end of the graphene hydrogen storage box body (10). The device is at the in-process of hydrogen filling storage, applys the electric field in order to reduce the surface energy barrier of graphite alkene in the box to graphite alkene box both ends, guarantees that hydrogen adsorbs in graphite alkene thin layer space compactly.

Description

Graphene hydrogen storage device and control method thereof
Technical Field
The invention relates to a hydrogen storage technology, in particular to a graphene hydrogen storage device and a control method thereof.
Background
Hydrogen is the most promising clean fuel in the 21 st century, and the product is water without any pollution and carbon emission, whether the energy is released by electrochemical reaction or combustion.
Hydrogen is currently involved in the production, storage, transportation and end consumption of hydrogen. The hydrogen prepared in China has more sources, and comprises hydrogen production by water electrolysis of renewable energy sources, chemical byproduct hydrogen production, biomass hydrogen production and the like.
However, one of the important reasons for restricting the development of hydrogen is the difficulty in storage and transportation, and although there are high-pressure gaseous hydrogen storages of 35MPa and 70MPa at present, the hydrogen storage density is low and the energy consumption is high; in addition, the liquid hydrogen storage can improve the hydrogen storage density, but the temperature of the hydrogen is reduced to-253 ℃, which consumes about one third of energy, and has high energy consumption and low economic efficiency; organic hydrogen storage is also a way, but affects hydrogen purity and contains toxic substances; metal hydrogen storage is a promising approach, but is currently not available in large quantities and is still under investigation.
Disclosure of Invention
The invention aims to design a device capable of filling and releasing hydrogen under low pressure aiming at various disadvantages of hydrogen storage, thereby greatly improving the storage density of hydrogen; meanwhile, in the process of filling and storing hydrogen, the problem of how to promote the graphene to physically adsorb hydrogen by reducing the surface energy barrier of the graphene in the box body and ensure that the hydrogen is compactly adsorbed in the graphene thin-layer space is solved; and in the process of hydrogen release, the problem of how to promote the rapid release of hydrogen adsorbed in the graphene thin layer space is solved.
The technical scheme of the invention provides a graphene hydrogen storage device, which comprises a power supply cathode, a power supply anode, a power supply, an electric field anode of a box body, a hydrogen flowmeter, an electromagnetic valve switch, a hydrogen filling pipe, a graphene hydrogen storage box body, an electric field plate, a heating device, an electric field cathode of the box body, a hydrogen storage control system and a sheet graphene layer; the method is characterized in that:
the hydrogen filling pipe is connected to the graphene hydrogen storage box body in a high-precision welding mode, and the sheet graphene layer is placed in the graphene hydrogen storage box body and used for storing and releasing hydrogen;
the electromagnetic valve switch is arranged on the hydrogen filling pipe and used for controlling filling and releasing of hydrogen;
the hydrogen flow meter is arranged on the hydrogen filling pipe and used for monitoring the total flow of filling and releasing hydrogen in real time and calculating the residual hydrogen in the graphene hydrogen storage box in the later period;
the electric field plates are arranged on the front side and the rear side of the graphene hydrogen storage box body and used for applying an electric field to the graphene hydrogen storage box body and changing the surface energy of the sheet graphene layers in the graphene hydrogen storage box body;
the positive electrode of the electric field of the box body and the negative electrode of the electric field of the box body are respectively arranged on an electric field plate of the graphene hydrogen storage box body and are used for connecting the positive electrode of a power supply and the negative electrode of the power supply;
the heating devices are arranged at the left end and the right end of the graphene hydrogen storage box body;
the hydrogen storage control system is used for controlling the hydrogen storage and release processes of the flaky graphene layer in the graphene hydrogen storage box body.
Further, the temperature of the sheet graphene layer in the graphene hydrogen storage tank is improved, and the hydrogen release of the sheet graphene layer can be accelerated.
Further, still include pressure sensor and temperature sensor, install respectively on graphite alkene stores up the hydrogen box top, wherein, pressure sensor and temperature sensor are used for real time monitoring graphite alkene to store up the pressure and the temperature of hydrogen box to transmit the pressure and the temperature of hydrogen in the graphite alkene stores up the hydrogen box in real time to store up hydrogen control system.
Further, the heating device is a semiconductor heater.
Further, the semiconductor heating device is arranged at the left end and the right end of the graphene hydrogen storage box body, and the right semiconductor heating anode and the right semiconductor heating cathode are arranged on the semiconductor heating device on the right side of the graphene hydrogen storage box body; the left end semiconductor heating cathode and the left end semiconductor heating anode are arranged on the semiconductor heating device on the left side of the graphene hydrogen storage box body.
Further, still include positioning system, install in graphite alkene hydrogen storage box, real time monitoring graphite alkene hydrogen storage box position.
The invention also provides a hydrogen storage method of the graphene hydrogen storage device, which is characterized by comprising the following steps: the method comprises the following steps:
step 1, according to a hydrogen filling command, after a hydrogen storage control system detects that a graphene hydrogen storage box body is normal, a hydrogen flowmeter is opened, and data of the hydrogen flowmeter is read and calibrated;
step 2, opening an electric field anode of the box body and an electric field cathode of the box body by the hydrogen storage control system, and enabling the electric field anode of the hydrogen storage box and the electric field cathode of the box body to be respectively communicated with a power supply anode and a power supply cathode of a power supply, so that an electric field is applied to the graphene hydrogen storage box body, the surface energy barrier of a flake graphene layer in the graphene hydrogen storage box body is reduced, and the physical adsorption process of hydrogen is promoted;
step 3, opening a solenoid valve switch by the hydrogen storage control system to realize the filling process of the hydrogen;
further, when the pressure sensor detects that the pressure in the graphene hydrogen storage box body is close to the pressure of the hydrogen filling pipe, the hydrogen storage control system closes the electromagnetic valve switch, so that the graphene hydrogen storage box body is sealed, and hydrogen is stored in the graphene hydrogen storage box body.
The invention also provides a hydrogen desorption method for the graphene hydrogen storage device, which is characterized by comprising the following steps: the method comprises the following steps:
step 1, a hydrogen storage control system closes an electric field anode of a box body and an electric field cathode of the box body, and disconnects the electric field anode of a hydrogen storage box and the electric field cathode of the box body from a power source anode and a power source cathode of a power source, so that electric fields on two sides of a graphene hydrogen storage box body are eliminated, surface energy barriers of sheet graphene layers in the graphene hydrogen storage box body are recovered, and a physical hydrogen release process is promoted;
step 2, opening a right semiconductor heating anode, a right semiconductor heating cathode, a left semiconductor heating cathode and a left semiconductor heating anode of the graphene hydrogen storage box body by the hydrogen storage control system, so as to heat the graphene hydrogen storage box body and promote the release of hydrogen in the flake graphene layer in the graphene hydrogen storage box body;
step 3, opening a solenoid valve switch by the hydrogen storage control system to realize the release process of the hydrogen; when the temperature sensor detects that the temperature in the graphene hydrogen storage box body reaches a preset safety value, the hydrogen storage control system closes the right semiconductor heating anode, the right semiconductor heating cathode, the left semiconductor heating cathode and the left semiconductor heating anode of the graphene hydrogen storage box body, so that the temperature of the graphene hydrogen storage box body is reduced.
Further, when the flow of the hydrogen flowmeter is zero, the hydrogen storage control system closes the electromagnetic valve switch, closes the graphene hydrogen storage box body, and ends the hydrogen release process.
The invention has the beneficial effects that
(1) The invention provides a device for filling and releasing hydrogen under low pressure, which can greatly improve the stored energy density of hydrogen;
(2) in the process of filling and storing hydrogen, applying electric fields to two ends of the graphene box body to reduce the surface energy barrier of graphene in the box body and promote the graphene to physically adsorb hydrogen, wherein the hydrogen is densely adsorbed in a graphene thin layer space;
(3) according to the scheme, in the hydrogen release process, semiconductor Peltier effect is applied to two ends of a graphene box body to heat graphene, so that hydrogen adsorbed in a graphene thin layer space is promoted to be released;
(4) the hydrogen flow and the residual hydrogen content of the hydrogen storage tank body can be intelligently monitored in real time; therefore, the high-efficiency storage and transportation of the hydrogen are realized, and the promotion of the hydrogen in terminal fuel cells, hydrogen engines and other hydrogen industries is facilitated.
Drawings
FIG. 1 is a schematic diagram of a graphene hydrogen storage apparatus and a control method;
FIG. 2 is a schematic view of storage of layered graphene in a hydrogen storage tank;
wherein: 1-power negative electrode, 2-power positive electrode, 3-power supply, 4-electric field positive electrode of box body, 5-right end semiconductor heating positive electrode, 6-right end semiconductor heating negative electrode, 7-hydrogen flowmeter, 8-electromagnetic valve switch, 9-hydrogen filling pipe, 10-graphene hydrogen storage box body, 11-positioning system, 12-electric field plate, 13-semiconductor heating, 14-electric field negative electrode of box body, 15-pressure sensor, 16-temperature sensor, 17-left end semiconductor heating negative electrode, 18-left end semiconductor heating positive electrode, 19-hydrogen storage control system and 20-flake graphene layer.
Detailed Description
The technical scheme of the invention is explained in detail in the following with reference to the attached drawings 1-2.
As shown in fig. 1-2, this embodiment provides a graphene hydrogen storage device, including: power negative pole 1, power positive 2, power 3, the electric field positive 4 of box, right-hand member semiconductor heating positive 5, right-hand member semiconductor heating negative 6, hydrogen flowmeter 7, solenoid valve switch 8, hydrogen filler pipe 9, graphite alkene stores up hydrogen box 10, positioning system 11, electric field plate 12, semiconductor heating 13, the electric field negative 14 of box, pressure sensor 15, temperature sensor 16, left end semiconductor heating negative 17, the anodal 18 of left end semiconductor heating, store up hydrogen control system 19, slice graphite alkene layer 20:
the graphene hydrogen storage box body is assembled into a system, the hydrogen filling pipe 9 is connected to the right of the graphene hydrogen storage box body 10 in a high-precision welding mode, and then a large number of flaky graphene layers 20 are placed into the graphene hydrogen storage box body 10 for storing and releasing hydrogen.
The electromagnetic valve switch 8 is arranged on the hydrogen filling pipe 9 and is used for controlling filling and releasing of hydrogen and sealing hydrogen to prevent hydrogen leakage.
The hydrogen flow meters 7 are respectively installed on the hydrogen filling pipes 9 and used for monitoring the filling and releasing flow of the hydrogen in real time and calculating the residual hydrogen in the graphene hydrogen storage box 10 in the later period.
Positioning system 11 installs in graphite alkene hydrogen storage box 10 lower right corner, and real time monitoring graphite alkene hydrogen storage box 10 position prevents to be stolen.
The electric field plates 12 are arranged on the front side and the rear side of the graphene hydrogen storage box body 10 and used for applying an electric field to the graphene hydrogen storage box body 10, changing the surface energy of the flake graphene layer 20 in the graphene hydrogen storage box body 10 and greatly promoting the flake graphene layer 20 to physically adsorb hydrogen.
The electric field anode 4 of the box body and the electric field cathode 14 of the box body are respectively arranged on the electric field plate 12 of the graphene hydrogen storage box body 10 and are used for being connected with the power source cathode 1 and the power source anode 2 of the power source 3.
The semiconductor heating 13 is arranged at the left end and the right end of the graphene hydrogen storage box body 10, and the right semiconductor heating anode 5 and the right semiconductor heating cathode 6 are arranged on the semiconductor heating 13 on the right side of the graphene hydrogen storage box body 10;
a left end semiconductor heating cathode 17 and a left end semiconductor heating anode 18 are arranged on a semiconductor heating 13 on the left side of the graphene hydrogen storage box body 10;
the semiconductor heating 13 heats the graphene hydrogen storage tank 10 according to the peltier effect, and the temperature of the sheet graphene layer 20 in the graphene hydrogen storage tank 10 is increased, so that the hydrogen release of the sheet graphene layer 20 is promoted. The pressure sensor 15 and the temperature sensor 16 are respectively arranged at the top end of the graphene hydrogen storage box body 10, and hydrogen leakage is prevented through special sealing treatment;
the pressure sensor 15 and the temperature sensor 16 are used for monitoring the pressure and the temperature of the graphene hydrogen storage box 10 in real time and transmitting the pressure and the temperature of hydrogen in the graphene hydrogen storage box 10 to the hydrogen storage control system 19 in real time.
The positive electric field 4 of box, the positive semiconductor heating 5 of right-hand member, right-hand member semiconductor heating negative pole 6, hydrogen flowmeter 7, solenoid valve switch 8, positioning system 11, the negative electric field 14 of box, pressure sensor 15, temperature sensor 16, the signal of the positive semiconductor heating negative pole 17 of left end and the positive semiconductor heating 18 of left end is transmitted in real time to hydrogen storage control system 19, hydrogen storage control system 19 is according to the hydrogen filling or release demand, the positive electric field 4 of control box, the positive semiconductor heating 5 of right-hand member, the negative semiconductor heating 6 of right-hand member, solenoid valve switch 8, the negative electric field 14 of box, the positive semiconductor heating negative pole 17 of left end and the positive semiconductor heating 18 of left end, realize the hydrogen storage and the release process of slice graphite alkene layer 20 in the graphite alkene hydrogen storage box 10.
The embodiment also provides a method for storing hydrogen by utilizing the graphene hydrogen storage box body, which comprises the following steps:
step 1, according to a hydrogen filling command, after a hydrogen storage control system 19 detects that a graphene hydrogen storage box body 10 is normal, a hydrogen flow meter 7 is opened, and data of the hydrogen flow meter 7 is read and calibrated;
in this step, the hydrogen storage control system 19 needs to detect the relevant signals of the graphene hydrogen storage tank 10; the related signals comprise signals of an electric field anode 4, a right semiconductor heating anode 5, a right semiconductor heating cathode 6, a hydrogen flowmeter 7, a solenoid valve switch 8, a positioning system 11, an electric field cathode 14, a pressure sensor 15, a temperature sensor 16, a left semiconductor heating cathode 17 and a left semiconductor heating anode 18 of the box body.
Step 2, the hydrogen storage control system 19 opens the electric field anode 4 of the box body and the electric field cathode 14 of the box body, so that the electric field anode 4 of the hydrogen storage box and the electric field cathode 14 of the box body are respectively communicated with the power source anode 2 and the power source cathode 1 of the power source 3, thereby applying an electric field to the graphene hydrogen storage box body 10, reducing the surface energy barrier of the sheet graphene layer 20 in the graphene hydrogen storage box body 10, and promoting the physical adsorption process of hydrogen;
step 3, the hydrogen storage control system 19 opens the electromagnetic valve switch 8 to realize the filling process of the hydrogen;
when the pressure sensor 15 detects that the pressure in the graphene hydrogen storage box 10 is close to the pressure of the hydrogen filling pipe 9, the hydrogen storage control system 19 closes the electromagnetic valve switch 8, so that the graphene hydrogen storage box 10 is sealed, and hydrogen is stored in the graphene hydrogen storage box 10. Meanwhile, the hydrogen storage control system 19 calculates the volume and mass of the hydrogen gas to be filled based on the hydrogen flow rate data of the hydrogen flow meter 7.
The embodiment also provides a method for releasing hydrogen by utilizing the graphene hydrogen storage box body, which comprises the following steps:
step 1, a hydrogen storage control system 19 closes an electric field anode 4 of a box body and an electric field cathode 14 of the box body, and disconnects the electric field anode 4 of a hydrogen storage box and the electric field cathode 14 of the box body from a power source anode 2 and a power source cathode 1 of a power source 3, so that electric fields at two sides of a graphene hydrogen storage box body 10 are eliminated, surface energy barriers of a sheet graphene layer 20 in the graphene hydrogen storage box body 10 are recovered, and the physical release process of hydrogen is promoted;
step 2, the hydrogen storage control system 19 opens the right semiconductor heating anode 5, the right semiconductor heating cathode 6, the left semiconductor heating cathode 17 and the left semiconductor heating anode 18 of the graphene hydrogen storage box 10, so as to heat the graphene hydrogen storage box 10 and promote the release of hydrogen in the sheet graphene layer 20 in the graphene hydrogen storage box 10;
step 3, the hydrogen storage control system 19 opens the electromagnetic valve switch 8 to realize the release process of hydrogen; when the temperature sensor 16 detects that the temperature in the graphene hydrogen storage box 10 reaches a preset safety value, the hydrogen storage control system 19 closes the right semiconductor heating anode 5, the right semiconductor heating cathode 6, the left semiconductor heating cathode 17 and the left semiconductor heating anode 18 of the graphene hydrogen storage box 10, so that the temperature of the graphene hydrogen storage box 10 is reduced, and the hydrogen storage safety of the graphene hydrogen storage box 10 is guaranteed;
in this step, when the flow rate of the hydrogen flowmeter 7 shows zero, that is, the hydrogen remaining in the graphene sheet layer 20 in the graphene hydrogen storage box 10 is difficult to completely release, at this time, the hydrogen storage control system 19 closes the electromagnetic valve switch 8, closes the graphene hydrogen storage box 10, and ends the hydrogen release process.
Meanwhile, the hydrogen storage control system 19 calculates the volume and mass of hydrogen released according to the hydrogen flow data of the hydrogen flow meter 7, and calculates the hydrogen remaining in the graphene hydrogen storage tank 10, so as to obtain the volume and mass of hydrogen which can be filled next time.

Claims (10)

1. A graphene hydrogen storage device comprises a power negative electrode (1), a power positive electrode (2), a power supply (3), an electric field positive electrode (4) of a box body, a hydrogen flowmeter (7), a solenoid valve switch (8), a hydrogen filling pipe (9), a graphene hydrogen storage box body (10), an electric field plate (12), a heating device, an electric field negative electrode (14) of the box body, a hydrogen storage control system (19) and a flake graphene layer (20); the method is characterized in that:
the hydrogen filling pipe (9) is connected to the graphene hydrogen storage box body (10) in a high-precision welding mode, and the sheet graphene layer (20) is placed in the graphene hydrogen storage box body (10) and used for storing and releasing hydrogen;
the electromagnetic valve switch (8) is arranged on the hydrogen filling pipe (9) and is used for controlling filling and releasing of hydrogen;
the hydrogen flow meter (7) is arranged on the hydrogen filling pipe (9) and is used for monitoring the total flow of filling and releasing hydrogen in real time and calculating the residual hydrogen in the graphene hydrogen storage box body (10) in the later period;
the electric field plates (12) are arranged on the front side and the rear side of the graphene hydrogen storage box body (10) and are used for applying an electric field to the graphene hydrogen storage box body (10) and changing the surface energy of the flaky graphene layer (20) in the graphene hydrogen storage box body (10);
an electric field anode (4) of the box body and an electric field cathode (14) of the box body are respectively arranged on an electric field plate (12) of the graphene hydrogen storage box body (10) and are used for connecting a power supply anode (2) and a power supply cathode (1) of a power supply (3);
the heating devices are arranged at the left end and the right end of the graphene hydrogen storage box body (10);
the hydrogen storage control system (19) is used for controlling the hydrogen storage and release processes of the flake graphene layer (20) in the graphene hydrogen storage box body (10).
2. The graphene hydrogen storage device according to claim 1, wherein: when releasing hydrogen, the temperature of the flake graphene layer (20) in the graphene hydrogen storage box body (10) is improved, and the hydrogen release of the flake graphene layer (20) can be accelerated.
3. The graphene hydrogen storage device according to claim 1, wherein: the hydrogen storage device is characterized by further comprising a pressure sensor (15) and a temperature sensor (16) which are respectively installed at the top end of the graphene hydrogen storage box body (10), wherein the pressure sensor (15) and the temperature sensor (16) are used for monitoring the pressure and the temperature of the graphene hydrogen storage box body (10) in real time and transmitting the pressure and the temperature of hydrogen in the graphene hydrogen storage box body (10) to a hydrogen storage control system (19) in real time.
4. The graphene hydrogen storage device according to claim 1, wherein: the heating device is a semiconductor heater (13).
5. The graphene hydrogen storage device according to claim 4, wherein: the semiconductor heating devices (13) are arranged at the left end and the right end of the graphene hydrogen storage box body (10), and the semiconductor heating anode (5) at the right end and the semiconductor heating cathode (6) at the right end are arranged on the semiconductor heating device (13) at the right side of the graphene hydrogen storage box body (10); the left end semiconductor heating cathode (17) and the left end semiconductor heating anode (18) are arranged on the semiconductor heating (13) on the left side of the graphene hydrogen storage box body (10).
6. The graphene hydrogen storage device according to claim 1, wherein: the system also comprises a positioning system (11) which is arranged on the graphene hydrogen storage box body (10) and monitors the position of the graphene hydrogen storage box body (10) in real time.
7. The hydrogen storage method using the graphene hydrogen storage device according to claim 1, wherein: the method comprises the following steps:
step 1, according to a hydrogen filling command, after a hydrogen storage control system (19) detects that a graphene hydrogen storage box body (10) is normal, a hydrogen flow meter (7) is opened, and data of the hydrogen flow meter (7) are read and calibrated;
step 2, opening an electric field anode (4) of the box body and an electric field cathode (14) of the box body by the hydrogen storage control system (19), and enabling the electric field anode (4) of the hydrogen storage box and the electric field cathode (14) of the box body to be respectively communicated with a power source anode (2) and a power source cathode (1) of the power source (3), so that an electric field is applied to the graphene hydrogen storage box body (10), the surface energy barrier of a sheet graphene layer (20) in the graphene hydrogen storage box body (10) is reduced, and the physical adsorption process of hydrogen is promoted;
and 3, opening the electromagnetic valve switch (8) by the hydrogen storage control system (19) to realize the filling process of the hydrogen.
8. The hydrogen storage method by the graphene hydrogen storage device according to claim 7, wherein: when the pressure sensor (15) detects that the pressure in the graphene hydrogen storage box body (10) is close to the pressure of the hydrogen filling pipe (9), the hydrogen storage control system (19) closes the electromagnetic valve switch (8), so that the graphene hydrogen storage box body (10) is sealed, and hydrogen is stored in the graphene hydrogen storage box body (10).
9. The method for hydrogen desorption using the graphene hydrogen storage device according to claim 1, characterized in that: the method comprises the following steps:
step 1, a hydrogen storage control system (19) closes an electric field anode (4) of a box body and an electric field cathode (14) of the box body, and disconnects the electric field anode (4) of a hydrogen storage box and the electric field cathode (14) of the box body from a power source anode (2) and a power source cathode (1) of a power source (3), so that electric fields on two sides of a graphene hydrogen storage box body (10) are eliminated, surface energy barriers of a sheet graphene layer (20) in the graphene hydrogen storage box body (10) are recovered, and the physical release process of hydrogen is promoted;
step 2, opening a right semiconductor heating anode (5), a right semiconductor heating cathode (6), a left semiconductor heating cathode (17) and a left semiconductor heating anode (18) of the graphene hydrogen storage box body (10) by a hydrogen storage control system (19), so as to heat the graphene hydrogen storage box body (10) and promote the release of hydrogen in a sheet graphene layer (20) in the graphene hydrogen storage box body (10);
step 3, the hydrogen storage control system (19) opens the electromagnetic valve switch (8) to realize the release process of hydrogen; when the temperature sensor (16) detects that the temperature in the graphene hydrogen storage box body (10) reaches a preset safety value, the hydrogen storage control system (19) closes a right semiconductor heating anode (5), a right semiconductor heating cathode (6), a left semiconductor heating cathode (17) and a left semiconductor heating anode (18) of the graphene hydrogen storage box body (10), so that the temperature of the graphene hydrogen storage box body (10) is reduced.
10. The hydrogen storage method by the graphene hydrogen storage device according to claim 7, wherein: in the step, when the flow of the hydrogen flowmeter (7) is zero, the hydrogen storage control system (19) closes the electromagnetic valve switch (8), closes the graphene hydrogen storage box body (10), and the hydrogen release process is finished.
CN202210194118.7A 2022-03-01 2022-03-01 Graphene hydrogen storage device and control method thereof Pending CN114506813A (en)

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Publication number Priority date Publication date Assignee Title
RU2011147163A (en) * 2011-11-22 2013-05-27 Учреждение Российской академии наук Институт прикладной механики "ИПРИМ РАН" HYDROGEN BATTERY
US9767992B1 (en) * 2017-02-09 2017-09-19 Lyten, Inc. Microwave chemical processing reactor
CN212725385U (en) * 2020-09-02 2021-03-16 江苏集萃安泰创明先进能源材料研究院有限公司 Solid hydrogen storage and supply fuel cell system
CN113350983A (en) * 2020-03-06 2021-09-07 顾士平 Electric field polarized gas adsorption system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2011147163A (en) * 2011-11-22 2013-05-27 Учреждение Российской академии наук Институт прикладной механики "ИПРИМ РАН" HYDROGEN BATTERY
US9767992B1 (en) * 2017-02-09 2017-09-19 Lyten, Inc. Microwave chemical processing reactor
CN113350983A (en) * 2020-03-06 2021-09-07 顾士平 Electric field polarized gas adsorption system
WO2021174795A1 (en) * 2020-03-06 2021-09-10 顾士平 Gas adsorption system using electric field polarization
CN212725385U (en) * 2020-09-02 2021-03-16 江苏集萃安泰创明先进能源材料研究院有限公司 Solid hydrogen storage and supply fuel cell system

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