CN107270120B - Vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank - Google Patents
Vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank Download PDFInfo
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- CN107270120B CN107270120B CN201710543578.5A CN201710543578A CN107270120B CN 107270120 B CN107270120 B CN 107270120B CN 201710543578 A CN201710543578 A CN 201710543578A CN 107270120 B CN107270120 B CN 107270120B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C11/00—Use of gas-solvents or gas-sorbents in vessels
- F17C11/005—Use of gas-solvents or gas-sorbents in vessels for hydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
- F17C1/04—Protecting sheathings
- F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/035—Orientation with substantially horizontal main axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/061—Fluid distribution for supply of supplying vehicles
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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
- Y02E60/32—Hydrogen storage
Abstract
The invention designs a vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank, which comprises a tank-shaped metal lining, wherein a fiber reinforced layer and an outer fiber winding layer are sequentially wound outside the metal lining; the two ends of the metal lining are respectively provided with a left end plug and a right end plug, the inner cavity of the tank body is provided with a plurality of gas-guiding metal isolation filter plates which are arranged at intervals along the axial direction of the tank body, a plurality of hydrogen storage metal substrates which are arranged along the axial direction of the tank body are distributed between the adjacent gas-guiding metal isolation filter plates, and the hydrogen storage metal is deposited on the metal substrate made of conductive metal to form an alloy sheet structure; the air guide metal isolation filter plate supports the alloy sheet structure and divides the alloy sheet structure into two parts; several groups of heat conducting pipes are uniformly distributed in the gaps between the hydrogen storage metal matrixes and penetrate through the right end plug to be connected with an external pipeline. The invention has simple structure, nominal working pressure not less than 35MPa and good heat-conducting property, the volume of the hydrogen storage metal structure in the tank body is less than 50 percent, and the hydrogen storage capacity is more than 1.5 times of that of the high-pressure hydrogen storage tank with the same specification.
Description
Technical Field
The invention belongs to the technical field of hydrogen storage, and particularly relates to a design of a 35MPa vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank.
Background
Energy is a material basis for social existence and development, and along with the process of industrialization and the improvement of living standard of people, the demand on energy is increasing day by day. The modern industry depends on limited reserves of fossil fuels, non-renewable and environmental pollution in use, so that the search for renewable green energy sources is urgent. Hydrogen energy is considered to be an ideal energy source for replacing traditional fossil fuels as a clean and efficient secondary energy source. In hydrogen energy systems, the safe storage of hydrogen is the most critical link.
The commonly used hydrogen storage techniques mainly include high-pressure gaseous hydrogen storage, low-temperature liquid hydrogen storage and solid hydrogen storage using hydrogen storage materials as media. The high-pressure gaseous hydrogen storage mainly uses a large-capacity gas tank and a steel cylinder to store gaseous hydrogen, has higher mass hydrogen storage density, but has low volume hydrogen storage density, high pressure and poor safety, and the compression of the hydrogen gas also needs a pressurizing device, thereby increasing the cost and energy consumption, and the compression of the pure hydrogen can also cause the purity of the pure hydrogen to be reduced; the low-temperature liquid hydrogen storage has high hydrogen storage density, but has large energy consumption, high cost, strict requirements on heat insulation devices, volatilization loss, poor safety and the like; the solid-state hydrogen storage by utilizing the hydrogen storage material is to store the hydrogen storage material in a closed container, the solid-state storage of hydrogen is realized by utilizing the hydrogen absorption capacity of the hydrogen storage material, the solid-state hydrogen storage device has high volume hydrogen storage density, even higher than the volume hydrogen storage density of liquid hydrogen, but the weight hydrogen storage rate is relatively lower, and the hydrogen absorption and release process is limited by heat transfer, so that the charging and discharging rate of the solid-state hydrogen storage device is slower.
The light high-pressure hydrogen storage container is combined with the metal hydride, partial hydrogen storage material is filled in the high-pressure container with a certain volume to improve the volume hydrogen storage density, and the weight and the volume hydrogen storage density of the whole system can be adjusted by the filling proportion of the hydrogen storage material, so that higher volume hydrogen storage density and mass hydrogen storage density can be obtained at the same time, the filling and discharging speed is high, and the use safety of the hydrogen storage tank is improved. Therefore, the light high-pressure metal hydride compound hydrogen storage tank has wide prospect.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank, wherein the volume of the tank body is less than 50% of the hydrogen storage metal structure, and the hydrogen storage capacity of the vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank is more than 1.5 times that of a pure high-pressure hydrogen storage tank with the same specification.
The invention is realized by the following technical scheme.
A vehicle-mounted light high-pressure metal hydride compound hydrogen storage tank comprises a tank-shaped metal lining, wherein a fiber reinforced layer and an outer layer fiber winding layer are sequentially wound outside the metal lining; the two ends of the metal lining are respectively provided with a left end plug and a right end plug, the inner cavity of the tank body is provided with a plurality of gas-guiding metal isolation filter plates which are arranged at intervals along the axial direction of the tank body, a plurality of hydrogen storage metal matrixes which are arranged along the axial direction of the tank body are distributed between the adjacent gas-guiding metal isolation filter plates, and the hydrogen storage metal is deposited on the hydrogen storage metal matrixes made of conductive metal materials to form an alloy sheet structure; the air guide metal isolation filter plate supports the alloy sheet structure and divides the alloy sheet structure into two parts; several groups of heat conducting pipes are uniformly distributed in the gaps between the hydrogen storage metal matrixes and penetrate through the right end plug to be connected with an external pipeline.
Preferably, the hydrogen storage metal matrix is made of aluminum alloy or stainless steel material, and the hydrogen storage metal is deposited on the hydrogen storage metal matrix made of conductive metal material through electrochemical action to form an alloy sheet structure.
Furthermore, gaps are reserved among the hydrogen storage metal substrates to reserve space for hydrogen absorption volume expansion of the hydrogen storage metal; each hydrogen storage metal matrix is arranged along the axial direction of the tank body, and the two sides of the hydrogen storage metal matrix are attached to the inner wall of the metal lining of the tank body; the hydrogen storage metal substrates of the alloy sheet structure divided into two parts are staggered with each other.
Preferably, a hydrogen valve cover is arranged on the left end plug in a spiral sealing mode, and the hydrogen charging pipeline and the hydrogen discharging pipeline enter and exit from the left end plug.
Preferably, the gas guide metal isolation filter plate is a sintered body of copper powder or stainless steel powder, and the filtering precision is less than 0.5 micron; the outer diameter of the air guide metal isolation filter plate is equal to the inner diameter of the tank body.
Preferably, the heat conduction pipe is made of stainless steel or aluminum alloy material; the heat transfer medium is introduced into the heat conduction pipe.
Preferably, the metal lining is made of aluminum alloy or stainless steel materials and is processed by a hot extrusion process.
Preferably, the fiber reinforced layer is a carbon fiber-resin composite material and is wound by a wet winding process.
Preferably, the outer fiber winding layer is a glass fiber-resin composite material.
Preferably, the hydrogen storage metal is a rare earth AB5Type, titanium AB type2One or more of type and titanium vanadium solid solution type hydrogen storage alloy; the volume of the tank body is less than 50% of the hydrogen storage metal structure.
The invention has the advantages that:
(1) the vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank has the hydrogen storage capacity which is more than 1.5 times that of a pure high-pressure hydrogen storage tank with the same specification, and has higher volume hydrogen storage density and mass hydrogen storage density, and the volume and the internal pressure of the hydrogen storage tank are far smaller than those of the pure high-pressure hydrogen storage tank with the same hydrogen storage mass, so that the use safety of the hydrogen storage tank is improved, and the occupied space of an automobile is reduced.
(2) In the vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank, the storage mode of the hydrogen storage metal takes the volume expansion and alloy powdering of the hydrogen storage metal in the hydrogen absorption/desorption process into consideration, the heat-conducting property of the hydrogen storage metal is improved, and the service life of the vehicle-mounted hydrogen storage tank is prolonged.
(3) The device has simple structure, considers the volume expansion and alloy powdering of the hydrogen storage metal in the hydrogen absorption/desorption process, has nominal working pressure not less than 35MPa and good heat conduction performance, and the volume of the tank body occupied by the hydrogen storage metal structure is less than 50 percent, and the hydrogen storage capacity is more than 1.5 times of that of a pure high-pressure hydrogen storage tank with the same specification.
Drawings
Fig. 1 is a sectional view of a 35MPa vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank.
FIG. 2 is a schematic view of the shape of a metal matrix for hydrogen storage in a middle sheet.
FIG. 3 is a schematic illustration of the shape of a non-intermediate sheet hydrogen storage metal matrix.
Reference numbers in the figures: 1-hydrogen valve cover; 2-a left end plug; 3-a metal liner; 4-a fiber-reinforced layer; 5-outer fiber winding layer; 6-a heat conducting pipe; 7-gas-guiding metal isolation filter plate; 8-a hydrogen storage metal; 9-a hydrogen storage metal substrate; 10-right end plug.
Detailed Description
The invention is further described in detail below with reference to the drawings and examples, but the invention is not limited thereto.
As shown in fig. 1, the vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank comprises a tank-shaped metal liner 3, and a fiber reinforced layer 4 and an outer fiber winding layer 5 are sequentially wound outside the metal liner 3; the two ends of the metal lining 3 are respectively provided with a left end plug 2 and a right end plug 10, the inner cavity of the tank body is provided with a plurality of gas-guiding metal isolation filter plates 7 which are arranged at intervals along the axial direction of the tank body, a plurality of hydrogen storage metal substrates 9 which are arranged along the axial direction of the tank body are distributed between the adjacent gas-guiding metal isolation filter plates 7, and hydrogen storage metal 8 is deposited on the hydrogen storage metal substrates 9 which are made of conductive metal materials to form an alloy sheet structure; the air guide metal isolation filter plate 7 supports the alloy sheet structure and divides the alloy sheet structure into two parts; several groups of heat conduction pipes 6 are uniformly distributed in the gaps between the hydrogen storage metal matrixes 9 and penetrate through the right end plug 10 to be connected with external pipelines.
The heat conducting pipe 6 is connected with the right end plug 10 in a welding mode, heat exchange between the hydrogen storage metal 8 and the outside is realized through the heat conducting pipe 6 by the heat exchange medium, the pressure and the temperature in the tank body are maintained, and proper reaction conditions are provided for the hydrogen storage metal 8 and hydrogen. The hydrogen valve cover 1 is installed on the left end plug 2 in a spiral sealing mode, and the hydrogen charging pipeline and the hydrogen discharging pipeline enter and exit from the left end plug 2.
Wherein, the hydrogen storage metal matrix 9 is made of aluminum alloy or stainless steel material, and the hydrogen storage metal 8 is deposited on the hydrogen storage metal matrix 9 made of conductive metal material through electrochemical action to form an alloy sheet structure. The air guide metal isolation filter plate 7 supports the alloy sheet structure and divides the alloy sheet structure into two parts. Gaps are reserved among the hydrogen storage metal matrixes 9 to reserve space for the hydrogen absorption volume expansion of the hydrogen storage metal 8; each sheet of hydrogen storage metal matrix 9 is arranged along the axial direction of the tank body, and two sides of the hydrogen storage metal matrix are attached to the inner wall of the metal lining 3 of the tank body. FIGS. 2 and 3 show schematic illustrations of the shapes of the intermediate sheet and non-intermediate sheet hydrogen storage metal matrices, respectively.
The hydrogen storage metal 8 is titanium-chromium-manganese (Ti-Cr-Mn) alloy, the solid alloying is realized by a high-energy grinding machine or a ball mill, and the effective hydrogen absorption amount of the titanium-chromium-manganese (Ti-Cr-Mn) hydrogen storage alloy is 1.9 percent (mass fraction). The Ti-Cr-Mn (Ti-Cr-Mn) hydrogen storage alloy is deposited on a hydrogen storage metal matrix 9 made of conductive metal material through electrochemical action to form an alloy sheetAnd (5) structure. The volume of the tank body is less than 50% of the hydrogen storage metal structure. Taking the hydrogen storage metal structure accounting for 30% of the tank volume, using 70% of the tank volume for high-pressure hydrogen storage, wherein the temperature in the tank is 20 ℃, the pressure is 40MPa, and then according to the actual gas equation
Calculating the hydrogen storage mass of the high-pressure hydrogen storage part by using the M-nM, wherein p is the gas pressure, V is the volume of the hydrogen storage tank, a and b are Van der Waals constants, T is the thermodynamic temperature, R is the universal gas constant, M is the gas mass, M is the molar mass of the gas, and n is the amount of the gas substance; the partial hydrogen storage mass of the high-pressure hydrogen storage is 3.675kg, the total 220kg of the hydrogen storage metal 8 titanium-chromium-manganese (Ti-Cr-Mn) is stored in the tank body, the hydrogen storage mass of the hydrogen storage metal 8 is 4.18kg, the total hydrogen storage mass is 7.855kg, the hydrogen storage capacity is 1.5 times of that of a pure high-pressure hydrogen storage tank with the same specification, and the hydrogen storage capacity can be used for driving automobiles for more than 700 km. If the pure high-pressure hydrogen storage tank needs to store hydrogen with the same quality, the pressure in the high-pressure hydrogen storage tank needs to reach more than 70MPa, the capacity of the hydrogen storage tank designed by the invention is increased, but the pressure is greatly reduced, and the use safety of the high-pressure hydrogen storage tank is improved.
The hydrogen storage metal substrates 9 are made of aluminum alloy or stainless steel materials and are welded with the gas guide metal isolation filter plate 7, the heat transfer performance of the hydrogen storage metal 8 is improved, 10 hydrogen storage metal substrates are provided, the thickness of each hydrogen storage metal substrate is 8mm, the length of each hydrogen storage metal substrate is 100mm, and 10mm gaps are reserved among the hydrogen storage metal substrates 9 and are used for the volume expansion of the hydrogen storage metal 8 and the penetration of the heat conduction pipe 6; each piece of hydrogen storage metal matrix 9 is attached to the inner wall of the metal lining 3 of the tank body in the longitudinal axis direction, and each piece of hydrogen storage metal matrix 9 in the front half part and each piece of hydrogen storage metal matrix in the rear half part are mutually staggered, so that the utilization rate of the hydrogen storage metal 8 is increased, and the hydrogen absorption/desorption speed of the hydrogen storage metal 8 is accelerated.
The metal lining 3 is made of aluminum alloy or stainless steel materials and is processed by a hot extrusion process. The nominal working pressure is not less than 35 MPa. The outer diameter is 240mm, the inner diameter is 200mm, the length is 500mm, and the formula V is pi R2L, the volume of the obtained tank is 160L. The hydrogen storage capacity is more than 1.5 times of that of a pure high-pressure hydrogen storage tank with the same specification.
The fiber reinforced layer 4 is made of carbon fiber-epoxy resin composite material and is wound by adopting a wet winding process. Fixing two ends of the lining on a mandrel of a numerical control winding machine along the axial direction, then regularly winding a plurality of bundles of continuous fibers dipped in the medium-temperature curing epoxy resin glue on the lining brushed with varnish under the action of a certain process tension force, and curing to form the fiber reinforced layer of the fiber wound composite material high-pressure container.
The outer fiber winding layer 5 is made of glass fiber-epoxy resin composite material, and the ratio of the glass fiber to the epoxy resin composite material is 1:1 optimally.
The gas-guiding metal isolating filter plate 7 is made of copper powder or a sintered body of stainless steel powder, the outer diameter of the gas-guiding metal isolating filter plate is the same as that of the metal lining 3, the thickness of the gas-guiding metal isolating filter plate is 4mm, small holes which are the same as the outer diameter of the heat-conducting pipe 6 are distributed on the gas-guiding metal isolating filter plate and are used for the heat-conducting pipe 6 to penetrate through, the filtering precision of the gas-guiding metal isolating filter plate is less than 0.5 micrometer.
The heat conduction pipes 6 are made of stainless steel or aluminum alloy, the outer diameter is 10mm, the wall thickness is 2mm, a plurality of groups of heat conduction pipes 6 are uniformly distributed in a gap of an alloy sheet structure formed by the hydrogen storage metal 8 and the hydrogen storage metal matrix 9, and penetrate through the right end plug 10 to be connected with an external pipeline, a heat exchange medium is introduced into the heat conduction pipes 6, the heat exchange medium such as water is introduced into the heat conduction pipes 6, the heat exchange with the outside is realized when the hydrogen storage metal 8 absorbs/releases hydrogen, meanwhile, the pressure and the temperature in the tank body are maintained, and the hydrogen absorption/release capacity of the hydrogen storage metal 8.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (9)
1. A vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank is characterized by comprising a tank-shaped metal lining (3), wherein a fiber reinforced layer (4) and an outer layer fiber winding layer (5) are sequentially wound outside the metal lining (3); a left end plug (2) and a right end plug (10) are respectively arranged at two ends of the metal lining (3), a plurality of gas-guiding metal isolation filter plates (7) are arranged in the inner cavity of the tank body at intervals along the axial direction of the tank body, a plurality of hydrogen storage metal substrates (9) arranged along the axial direction of the tank body are distributed between the adjacent gas-guiding metal isolation filter plates (7), and hydrogen storage metal (8) is deposited on the hydrogen storage metal substrates (9) made of conductive metal materials to form an alloy sheet structure; the air guide metal isolation filter plate (7) supports the alloy sheet structure and divides the alloy sheet structure into two parts; a plurality of groups of heat conduction pipes (6) are uniformly distributed in gaps among the hydrogen storage metal matrixes (9) and penetrate through the right end plug (10) to be connected with an external pipeline;
according to the actual gas equation
Calculating the hydrogen storage mass of the high-pressure hydrogen storage part by using the M-nM, wherein p is the gas pressure, V is the volume of the hydrogen storage tank, a and b are Van der Waals constants, T is the thermodynamic temperature, R is the universal gas constant, M is the gas mass, M is the molar mass of the gas, and n is the amount of the gas substance;
the hydrogen storage metal matrix (9) is made of aluminum alloy or stainless steel material, and the hydrogen storage metal (8) is deposited on the hydrogen storage metal matrix (9) made of conductive metal material through electrochemical action to form an alloy sheet structure;
the hydrogen storage metal (8) is made of titanium-chromium-manganese Ti-Cr-Mn alloy, and is ground to realize solid alloying; the alloy sheet structure accounts for less than 50% of the volume of the tank body, and the hydrogen storage capacity is more than 1.5 times of that of a pure high-pressure hydrogen storage tank with the same specification.
2. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein gaps are left between the hydrogen storage metal substrates (9) to leave spaces for hydrogen absorption volume expansion of the hydrogen storage metal (8); each hydrogen storage metal matrix (9) is arranged along the axial direction of the tank body, and the two sides of the hydrogen storage metal matrix are attached to the inner wall of the metal lining (3) of the tank body; the pieces of hydrogen storage metal matrix (9) of the alloy sheet structure divided into two parts are staggered with each other.
3. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein a hydrogen valve cover (1) is mounted on the left end plug (2) in a spiral sealing manner, and a hydrogen charging pipeline and a hydrogen discharging pipeline enter and exit from the left end plug (2).
4. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein the gas-guiding metal isolation filter plate (7) is a sintered body of copper powder or stainless steel powder, and the filtering precision is less than 0.5 μm; the outer diameter of the gas guide metal isolation filter plate (7) is equal to the inner diameter of the tank body.
5. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein the heat conductive pipe (6) is made of stainless steel or aluminum alloy; the heat-transfer medium is introduced into the heat-transfer pipe (6).
6. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein the metal liner (3) is made of aluminum alloy or stainless steel material and is processed by hot extrusion process.
7. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank of claim 1, wherein the fiber reinforced layer (4) is a carbon fiber-resin composite material and is wound by a wet winding process.
8. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein the outer fiber winding layer (5) is a glass fiber-resin composite material.
9. The vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank as claimed in claim 1, wherein the hydrogen storage metal (8) is a rare earth AB5Type, titanium AB type2One or more of type and titanium vanadium solid solution type hydrogen storage alloy.
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| CN201710543578.5A CN107270120B (en) | 2017-07-05 | 2017-07-05 | Vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank |
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| CN201710543578.5A CN107270120B (en) | 2017-07-05 | 2017-07-05 | Vehicle-mounted light high-pressure metal hydride composite hydrogen storage tank |
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| CN107270120B true CN107270120B (en) | 2020-04-10 |
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| CN108163807B (en) * | 2017-12-29 | 2020-07-28 | 西安交通大学 | Composite pressure block type phase-change heat storage gas-solid hydrogen storage reactor |
| CN109666908B (en) * | 2018-11-30 | 2021-02-09 | 一汽解放汽车有限公司 | Solid hydrogen storage core and preparation method thereof |
| FR3103250B1 (en) * | 2019-11-14 | 2022-03-18 | Arkema France | Process for preparing a hydrogen tank comprising a sealing layer and a base |
| CN111195808B (en) * | 2020-02-18 | 2021-06-11 | 扬州大学 | Method for manufacturing metal hydride hydrogen storage tank |
| WO2022067764A1 (en) * | 2020-09-30 | 2022-04-07 | 深圳烯湾科技有限公司 | Gas storage device and method for controlling same, and new energy carrier |
| CN114917842B (en) * | 2022-06-14 | 2023-06-02 | 北京化工大学 | Metal hydride hydrogen storage reactor with wave-shaped fin structure and hydrogen storage method thereof |
| CN116464904A (en) * | 2023-06-12 | 2023-07-21 | 浙江大学 | Vehicle-mounted liquid hydrogen heat-insulating storage container and liquid hydrogen filling method thereof |
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