CN213177651U - Solid-state hydrogen storage tank - Google Patents
Solid-state hydrogen storage tank Download PDFInfo
- Publication number
- CN213177651U CN213177651U CN202021377298.5U CN202021377298U CN213177651U CN 213177651 U CN213177651 U CN 213177651U CN 202021377298 U CN202021377298 U CN 202021377298U CN 213177651 U CN213177651 U CN 213177651U
- Authority
- CN
- China
- Prior art keywords
- hydrogen storage
- hydrogen
- solid
- bed body
- storage material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of hydrogen storage, and particularly relates to a solid-state hydrogen storage tank which comprises a tank body, a hydrogen storage bed body element, an air guide pipe, a filter disc and a valve. A plurality of hydrogen storage bed elements are stacked in the tank body, and each hydrogen storage bed element comprises a hydrogen storage material layer, a heat conduction layer and a flexible wrapping layer; the hydrogen storage bed body element is provided with a longitudinal through hole, and the air duct is arranged in the through hole. The heat conducting layer and the flexible wrapping layer are made of metal materials, and the functions of enhancing the heat transfer of the hydrogen storage bed body and stabilizing the bed body are achieved. The solid hydrogen storage tank has simple structure and easy manufacture and processing; the adopted hydrogen storage bed element structure can improve the heat transfer performance of the hydrogen storage bed, accelerate the hydrogen charging/discharging speed, simultaneously prevent the migration of hydrogen storage material powder, ensure the uniform distribution of the hydrogen storage material powder in the bed, avoid the stress concentration generated on the tank body by the hydrogen absorption expansion of the hydrogen storage material, and improve the service life and the safety of the solid hydrogen storage tank.
Description
Technical Field
The utility model relates to a store up hydrogen technical field, especially relate to a solid-state hydrogen storage tank.
Background
The hydrogen energy is taken as a clean and efficient secondary energy, so that the attention and the extensive research of people are paid, the storage and the transportation of the hydrogen energy are restrictive links in a hydrogen energy industrial chain, the storage and the transportation efficiency of the hydrogen energy are improved, the storage and the transportation cost of the hydrogen energy are reduced, and the development of a hydrogen energy storage and transportation technology is important. At present, there are three main ways of storing hydrogen that have been put into practical use: high pressure gaseous hydrogen storage, low temperature liquid hydrogen storage tanks, and solid state hydrogen storage based on hydrogen storage materials. The solid-state hydrogen storage technology is to store hydrogen by utilizing the reaction of hydrogen and hydrogen storage materials, and compared with other hydrogen storage modes, the solid-state hydrogen storage technology has the advantages of high hydrogen storage density, low pressure, good safety, high hydrogen purity and the like, and is an important direction for the development of the hydrogen storage technology.
The prior solid-state hydrogen storage technology has the following technical problems:
1. the rapid heat transfer requirement of the hydrogen storage bed body. The hydrogen storage material powder is filled in a hydrogen storage tank in a proper form to form a hydrogen storage bed body. Although the hydrogen storage material has a fast hydrogen absorption/desorption speed and can generally complete hydrogen absorption/desorption within 3-5 minutes, the accumulation of reaction heat in the hydrogen storage bed body along with the generation of heat effect in the hydrogen absorption/desorption process of the hydrogen storage material can generate important influence on the hydrogen absorption/desorption dynamic performance of the hydrogen storage bed body.
When the solid hydrogen storage tank is filled with hydrogen, the hydrogen storage material in the bed absorbs hydrogen and releases heat, such as LaNi5The hydrogen storage material will release 30.8kJ/molH2If the heat can not be dissipated in time, the temperature in the hydrogen storage bed body rises, and the hydrogen absorption equilibrium pressure of the hydrogen storage material rises along with the temperature, so that the hydrogen absorption rate is reduced until the hydrogen absorption is stopped; in contrast, when a solid-state hydrogen storage tank discharges hydrogen, the hydrogen discharge reaction of the hydrogen storage material requires heat absorption, such as LaNi5The hydrogen storage material will absorb 30.8kJ/molH2If the required heat cannot be supplied in time, the temperature in the hydrogen storage bed body is reduced, the hydrogen release equilibrium pressure of the hydrogen storage material is reduced, and the hydrogen release rate is reduced until the hydrogen release is stopped. In addition, the hydrogen storage material exists in the hydrogen storage bed body in a powdery state, the heat conductivity of the hydrogen storage material is greatly reduced compared with that of the block material, and the finer the powder is, the poorer the heat conductivity is. The hydrogen storage material can generate lattice expansion/contraction in the hydrogen absorption/desorption process, and under the action of the cyclic stress, the powder of the hydrogen storage material is further pulverized, the particle size of the powder is further reduced, so that the heat transfer performance of the hydrogen storage bed body is further reduced (the effective heat conductivity of the hydrogen storage bed body is about 1W/m/K), and the hydrogen absorption/desorption speed of the hydrogen storage bed body is further reduced. Therefore, the heat transfer characteristics of the hydrogen storage bed body are main factors influencing the performance of the hydrogen storage tank, and how to design the hydrogen storage bed body, regulate and control the heat transfer characteristics of the hydrogen storage bed body and meet the rapid heat transfer requirement of the hydrogen storage bed body is a main technical problem to be solved by the solid-state hydrogen storage tank.
2. The stress concentration of the hydrogen storage material on the solid hydrogen storage tank body caused by hydrogen absorption expansion is reduced. After the hydrogen storage material absorbs hydrogen, the crystal lattice will expand, such as LaNi5The hydrogen storage material will experience a volume expansion of about 25%. After the hydrogen absorption and expansion of the hydrogen storage bed body, stress action except gas pressure is generated on the tank body of the solid hydrogen storage tank, and if the stress is overlarge, irreversible plastic deformation and even breakage can be generated, so that the solid hydrogen storage tank is damaged. In addition, if the distribution of the hydrogen storage material in the hydrogen storage bed body is not uniform when the hydrogen storage material is initially filled, or the hydrogen storage material powder migrates under the action of airflow impact and gravity in the hydrogen absorption and desorption process,the hydrogen storage material powder is redistributed in the hydrogen storage bed body, so that the hydrogen storage material powder is gathered in a local area in the hydrogen storage bed body, the distribution uniformity of the hydrogen storage material in the bed body is worsened, the stress concentration of a local area of the tank body is caused under the two conditions, and the tank body is easier to generate plastic deformation in the areas until the tank body is broken and loses efficacy. Therefore, how to ensure that the hydrogen storage material powder in the bed body keeps uniform distribution during initial filling and hydrogen absorption and desorption processes, stress concentration in a local area of the tank body is avoided, and then uneven deformation and excessive plastic deformation occur, which is the key for ensuring the safe use of the solid-state hydrogen storage tank and prolonging the service life of the solid-state hydrogen storage tank.
In order to solve the above problems, CN101413624A discloses a metal hydride hydrogen storage device and a method for manufacturing the same, wherein a housing of the device is filled with stacked hydrogen storage material sheets, each hydrogen storage material sheet is composed of a foam-shaped metal substrate which does not absorb hydrogen and a mixture of hydrogen storage alloy powder and a binder filled in pores of the foam-shaped metal substrate, and the hydrogen storage material sheet has a central hole to improve the heat transfer performance of the hydrogen storage alloy and hydride powder thereof and prevent the hydrogen storage alloy and hydride powder thereof from flowing and accumulating. But it has the following disadvantages: (1) the alloy powder needs to be filled into the foam metal substrate, the filling rate of the alloy powder is low, the hydrogen storage capacity of the device is influenced, and (2) the manufacturing process is complex and the production cost is high.
CN101413625A adopts the method that the inner cavity of the cylindrical shell of the hydrogen storage device is divided into a plurality of small intervals by the metal isolating sheet which does not absorb hydrogen, and each interval is filled with the hydrogen storage material sheet which consists of the hydrogen storage material and the foam-shaped metal substrate which does not absorb hydrogen, and the method also has the disadvantages of (1) and (2).
CN102242861A discloses a hydrogen storage alloy tank, which is provided with a tubular heat exchanger to improve the heat exchange efficiency of the system, and hydrogen storage alloy powder is filled in a porous or fibrous structure to avoid hardening and stress concentration caused by alloy pulverization and aggregation.
CN107859871A and CN206329913U disclose that the fine-diameter separation net is used as a main carrier for storing hydrogen storage alloy powder, and the alloy powder is fixed in a smaller space to avoid the accumulation of the alloy powder, but the thickness of the hydrogen storage alloy powder is much larger than that of the fine-diameter separation net, and when the hydrogen storage alloy powder is added between the two fine-diameter separation nets, the hydrogen storage alloy powder still inevitably has the phenomenon of uneven distribution, which further causes stress concentration of the tank body, thereby affecting the service life and safety of the tank body.
In summary, it is necessary to develop a solid hydrogen storage tank, which can improve the heat transfer performance of the hydrogen storage material bed, ensure the rapid hydrogen absorption/desorption of the solid hydrogen storage tank, and prevent the local aggregation of the hydrogen storage material powder in the hydrogen storage tank, so as to ensure the uniform distribution of the hydrogen storage material powder in the tank, avoid the uneven deformation of the tank caused by the stress concentration of the hydrogen storage material on the tank due to the hydrogen absorption expansion of the hydrogen storage material, ensure the safe use, and prolong the service life.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a solid-state hydrogen storage tank to improve the heat transfer performance of the hydrogen storage material bed body, ensure simultaneously that hydrogen storage material is at a jar internal evenly distributed, avoid hydrogen storage material to inhale hydrogen inflation and produce stress concentration to a jar body.
The utility model relates to a solid hydrogen storage tank, which comprises a tank body 1, a hydrogen storage bed body element 2, an air duct 3, a filter plate 4 and a valve 5; a plurality of the hydrogen storage bed body elements 2 are stacked inside the tank body 1, longitudinal through holes are formed in the hydrogen storage bed body elements 2, and the gas guide pipes 3 are placed in the through holes.
Preferably, the number of the through holes is 1, and the through holes are positioned in the center of the hydrogen storage bed body element 2; or the number of the through holes is multiple, 1 is positioned in the center of the hydrogen storage bed body element 2, and the rest through holes are uniformly distributed on the hydrogen storage bed body element 2.
Preferably, each of said hydrogen storage bed elements 2 comprises a hydrogen storage material layer 2-1, a heat conducting layer 2-2 and a flexible wrapping layer 2-3.
Preferably, in the hydrogen storage bed body element 2, the heat conduction layer 2-2 and the hydrogen storage material layer 2-1 are alternately stacked, and the heat conduction layer 2-2 and the hydrogen storage material layer 2-1 are wrapped in the flexible wrapping layers 2-3.
Preferably, in the hydrogen storage bed body element 2, the hydrogen storage material layer 2-1 is uniformly filled with hydrogen storage material powder; the hydrogen storage material is any one or a mixture of more of titanium AB2 type and AB type, rare earth AB3 type and AB5 type, titanium vanadium solid solution, magnesium-based hydrogen storage alloy, coordination hydride, metal nitrogen hydride and ammonia borane.
Preferably, the heat conduction layer 2-2 is a wire mesh, a metal foil or a metal thin plate, and is made of one of aluminum, copper and an alloy thereof with high heat conductivity; the flexible wrapping layers 2-3 are made of one of iron, aluminum, copper and alloys thereof and are made of metal wire meshes or metal foils.
Preferably, the gas-guide tube 3 and the filter sheet 4 are copper-based or stainless steel-based porous sintered bodies manufactured by a powder metallurgy method.
Preferably, the filtering accuracy of the gas-guide tube 3 and the filter plate 4 is not more than 0.5 μm.
Preferably, the length of the gas-guide tube 3 is adjusted according to the thickness of the hydrogen storage bed body element 2 or the length of the tank body 1, and is integral multiple of the thickness of the hydrogen storage bed body element 2 or consistent with the length of the inner cavity of the tank body 1.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses an every hydrogen storage bed body component stacks the combination by multilayer hydrogen storage material layer and multilayer heat-conducting layer, and at hydrogen storage material layer and the outside flexible parcel layer of parcel of heat-conducting layer, compare in the technique of traditional baffle segmentation hydrogen storage material layer, through reducing the thickness on every layer of hydrogen storage material layer, and set up high thermal conductivity's metal mesh, foil or sheet metal respectively in the upper and lower side on every layer of hydrogen storage material layer, greatly increased hydrogen storage material and high heat transfer medium's area of contact, the heat transfer performance of the hydrogen storage material bed body has been improved by a wide margin, thereby the solid-state hydrogen storage tank fill/put hydrogen performance;
(2) the hydrogen storage bed body element structure adopted in the utility model is formed by stacking and combining a plurality of layers of hydrogen storage material layers and a plurality of layers of heat conduction layers and wrapping flexible wrapping layers outside the hydrogen storage material layers and the heat conduction layers, thereby reducing the thickness of each layer of hydrogen storage material layer, effectively fixing the hydrogen storage material, ensuring the uniform distribution of the hydrogen storage material, preventing the hydrogen storage material from being partially excessively gathered during hydrogen absorption/desorption circulation, avoiding or eliminating the stress concentration of the hydrogen storage material on the tank body caused by hydrogen absorption expansion, and improving the service life and the use safety of the solid-state hydrogen storage tank;
(3) the hydrogen storage bed body of the utility model is formed by stacking a plurality of hydrogen storage bed body elements with the same specification, thereby being beneficial to batch preparation, improving the production efficiency and reducing the production cost;
(4) the utility model discloses a solid-state hydrogen storage tank simple structure easily processes the manufacturing, is applicable to multiple hydrogen storage material, can select hydrogen storage material's kind according to the application demand.
Drawings
In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings, wherein:
fig. 1 is a structural sectional view of a solid hydrogen storage tank of the present invention;
FIG. 2 is a schematic view of a hydrogen storage bed element according to the present invention;
FIG. 3 is a schematic view of another structure of the hydrogen storage bed element of the present invention;
FIG. 4 is a graph showing the temperature change in the core part of a solid-state hydrogen storage tank of example 1 of the present invention in the process of charging hydrogen under the same conditions as a solid-state hydrogen storage tank of the same specification but directly filled with hydrogen storage material powder;
FIG. 5 is a graph showing a comparison between the variation in hydrogen storage amount of a solid-state hydrogen storage tank of example 1 of the present invention and a solid-state hydrogen storage tank of the same specification filled with hydrogen storage material powder directly under the same conditions;
fig. 6 is a comparison graph of circumferential strains at different positions along the axial direction of a solid-state hydrogen storage tank in example 1 of the present invention after 50 cycles of hydrogen charging/discharging with respect to the solid-state hydrogen storage tank of the same specification and directly filled with hydrogen storage material powder;
FIG. 7 is a graph showing the comparison between the temperature change in the core part of the solid-state hydrogen storage tank of example 2 of the present invention and the solid-state hydrogen storage tank of the same specification filled with the hydrogen storage material powder directly under the same conditions;
fig. 8 is a comparison graph of the change of the hydrogen storage amount of the solid-state hydrogen storage tank of example 2 of the present invention and the solid-state hydrogen storage tank of the same specification directly filled with the hydrogen storage material powder during the hydrogen charging process under the same conditions;
fig. 9 is a comparison graph of circumferential strains at different positions along the axial direction of the solid-state hydrogen storage tank in accordance with embodiment 2 of the present invention after 50 cycles of hydrogen charging/discharging with respect to the solid-state hydrogen storage tank of the same specification in which the hydrogen storage material powder is directly charged.
The reference numbers in the figures are:
1 tank body, 2 hydrogen storage bed body elements, 3 gas guide pipes, 4 filter plates, 5 valves, 2-1 hydrogen storage material layers, 2-2 heat conduction layers and 2-3 flexible wrapping layers.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a solid hydrogen storage tank comprises a tank body 1, a hydrogen storage bed body element 2, an air duct 3, a filter 4 and a valve 5.
Fig. 2 and 3 are schematic structural diagrams of two hydrogen storage bed body elements 2, wherein the hydrogen storage bed body elements 2 comprise a plurality of hydrogen storage material layers 2-1, a plurality of heat conduction layers 2-2 and flexible wrapping layers 2-3, the hydrogen storage bed body elements 2 are provided with longitudinal through holes, the number of the through holes can be 1 or more, all the through holes are used for placing gas guide pipes 3, the hydrogen storage bed body element 2 in fig. 2 is provided with 1 through hole in the center, the hydrogen storage bed body element 2 in fig. 3 is provided with 7 through holes, one of the through holes is in the center, and the other 6 through holes are uniformly distributed on the hydrogen storage bed body element along the radial direction with equal diameter. The hydrogen storage material layer 2-1 is uniformly filled with hydrogen storage material powder; the heat conducting layer 2-2 is a wire mesh, a metal foil or a metal sheet, and is made of high-heat-conductivity aluminum or copper and alloys thereof; the flexible wrapping layers 2-3 are metal wire meshes or metal foils made of iron, aluminum or copper and alloys thereof.
The gas-guide tube 3 is placed in a longitudinal through hole formed in the hydrogen storage bed body element 2, and the length of the gas-guide tube 3 can be adjusted according to the thickness of the hydrogen storage bed body element 2 or the length in the cavity of the tank body 1, for example, the gas-guide tube is set to be the same as the thickness of the hydrogen storage bed body element 2, or the integral multiple of the thickness of the hydrogen storage bed body element 2, or the length in the cavity of the tank body 1 is the. The gas-guide tube 3 and the filter sheet 4 are copper-based or stainless steel-based porous sintered bodies prepared by a powder metallurgy method, and the filtering precision is 0.5 micron.
The hydrogen storage bed body element 2 is composed of a plurality of hydrogen storage material layers 2-1, a plurality of heat conduction layers 2-2 and flexible wrapping layers 2-3, the heat conduction layers 2-2 are made of high-heat-conductivity metal wire meshes or foils and play a role in enhancing heat transfer of the hydrogen storage bed body element, migration of hydrogen storage material powder is prevented at the same time, uniform distribution of the hydrogen storage material powder in the hydrogen storage bed body element is guaranteed, and the flexible wrapping layers 2-3 are made of metal wire meshes or metal foils and mainly play a role in wrapping and supporting the hydrogen storage bed body element and also play a role in enhancing heat transfer.
Example 1：
Fig. 1 shows a solid hydrogen storage tank according to embodiment 1 of the present invention, wherein the tank body 1 has the following dimensions: the outer diameter is 70mm, the wall thickness is 3mm, the length is 425mm, and 10 hydrogen storage bed body elements 2 and 1 gas guide pipe 3 are arranged in the tank body 1. As shown in fig. 2, the hydrogen storage bed elements 2 are of the following dimensions: the outer diameter is 64mm, the thickness is 42mm, the center of the hydrogen storage bed body element 2 is provided with a through hole with the diameter of 8mm, 10 layers of hydrogen storage material layers 2-1 are arranged in the hydrogen storage bed body element 2, and each layer is provided with 45g (TiZr)1(VFeMn)2Hydrogen storage material powder, wherein the heat conduction layer 2-2 is aluminum foil with the diameter of 63mm and the thickness of 0.3 mu m, and the total number of the aluminum foil is 11; the flexible wrapping layers 2-3 are brass nets of 200 meshes; the sizes of the air guide tube 3 are as follows: the outer diameter is 8mm, the total length is 420mm, and the filtering precision is 0.5 mu m; the size of the filter plate 4 is as follows: the outer diameter is 40mm, the thickness is 1.5mm, and the filtration precision is 0.5 μm.
FIGS. 4 and 5 are graphs showing the core temperature and the hydrogen storage amount of the solid-state hydrogen storage tank of example 1 and the solid-state hydrogen storage tank of the same specification directly filled with the hydrogen storage material powder, respectively, when they are charged with hydrogen at 5MPa and 20 ℃. From can be obvious in fig. 4, 5 see that the utility model discloses a solid-state hydrogen storage tank of embodiment 1's hydrogen filling rate obtains improving by a wide margin, and core temperature reduces sooner, and this shows the utility model discloses the hydrogen storage bed body component 2 structure that adopts has improved the heat transfer ability of the hydrogen storage material bed body in the hydrogen storage tank by a wide margin.
Fig. 6 is a comparison graph of circumferential strain along different axial positions of the tank after 50 cycles of charging/discharging hydrogen for the solid-state hydrogen storage tank of embodiment 1 and the solid-state hydrogen storage tank of the same specification but directly filled with hydrogen storage material powder, wherein three measurement positions are respectively near the bottom of the tank, the middle of the solid-state and near the upper part of the tank. It can be seen from fig. 6 that the solid-state hydrogen storage tank of embodiment 1 of the present invention has uniform circumferential strain in the tank body and small strain amount after 50 hydrogen charging/discharging cycles, and the solid-state hydrogen storage tank directly filled with hydrogen storage material powder has very nonuniform strain in each position after 50 hydrogen charging/discharging cycles, and the strain near the bottom of the tank body is about 1600 μ ∈, which is almost 3.5 times of the strain near the upper part of the tank body, which is 460 μ ∈. Obviously, the utility model discloses a store up hydrogen bed body component 2 structure that adopts can effectively fix and store up hydrogen material, guarantee to store up the evenly distributed of hydrogen material in hydrogen storage tank, prevent to store up hydrogen material and when inhaling/put hydrogen circulation in the excessive gathering of jar internal local area, eliminated and stored up hydrogen material and inhaled the stress concentration of hydrogen expansion to jar production, improved the life and the safety in utilization of hydrogen storage tank.
Example 2：
Fig. 1 shows another solid-state hydrogen storage tank of the present invention, wherein the tank body 1 has the following dimensions: the outer diameter is 133mm, the wall thickness is 4mm, and the length is 1350mm, and 28 hydrogen storage bed elements 2 are placed in the tank body 1. As shown in fig. 2, the dimensions of the hydrogen storage bed member 2 are: the outer diameter is 125mm, the thickness is 46mm, 7 through holes with the diameter of 10mm are arranged on the hydrogen storage bed body element 2, wherein 1 through hole is arranged in the center, and 6 through holes are uniformly distributed on the circumference with the radius of 40 mm; 15 layers of hydrogen storage material layers 2-1 are arranged in the hydrogen storage bed body element 2, and 135g (TiZr) is arranged in each layer1(VFeMn)2The hydrogen storage material comprises hydrogen storage material powder, thin copper wafers with the heat conduction layers 2-2 being 122mm in diameter and 1mm in thickness, and 16 wafers in total, wherein the flexible wrapping layers 2-3 are 100-mesh purple copper nets. The dimensions of the gas-guide tube 3 are: the external diameter is 10mm, the length is 46mm, and the filtration precision is 0.5 μm. The dimensions of the filter disc 4 are: the external diameter is 50mm, the thickness is 2mm, and the filtration precision is 0.5 μm.
FIGS. 7 and 8 are graphs showing the core temperature and the hydrogen storage amount of the solid-state hydrogen storage tank of example 2 and the solid-state hydrogen storage tank of the same specification but directly filled with the hydrogen storage material powder, respectively, when they were charged with hydrogen under conditions of 5MPa and 15 ℃. From figure 7, 8 can find that the utility model discloses a solid-state hydrogen storage tank of embodiment 2's hydrogen filling rate obviously obtains improving, and core temperature reduces sooner, has proved the utility model discloses the hydrogen storage bed body component 2 structure that adopts has improved the heat transfer ability of the interior hydrogen storage material bed body of hydrogen storage tank by a wide margin.
Fig. 9 is a comparison graph of circumferential strains at different positions along the axial direction of the solid-state hydrogen storage tank in accordance with embodiment 2 of the present invention after 50 cycles of hydrogen charging/discharging with respect to the solid-state hydrogen storage tank of the same specification in which the hydrogen storage material powder is directly charged. It can be seen from fig. 9 that the solid-state hydrogen storage tank of embodiment 2 of the present invention has uniform circumferential strain in the tank body after 50 cycles of hydrogen charging/discharging, and the strain amount is small, and the solid-state hydrogen storage tank of the same specification but directly filled with hydrogen storage material powder has very nonuniform strain in each position on the tank body after 50 cycles of hydrogen charging/discharging, the strain amount in the position near the bottom of the tank body reaches 2380 μ ∈, almost 2 times of the strain amount 1200 μ ∈ near the upper part of the tank body, and the strain amount exceeding the elastic strain (2000 μ ∈) of the material of the tank body starts to have irreversible plastic deformation. Obviously, embodiment 2 of the utility model fully shows equally the utility model discloses the hydrogen storage bed body component 2 structure that adopts can effective fixed hydrogen storage material, guarantees hydrogen storage material evenly distributed in hydrogen storage tank, prevents to store hydrogen material partial area excessive gathering in jar when hydrogen absorption/desorption circulation, avoids or eliminates hydrogen storage material hydrogen absorption expansion to jar body production stress concentration, improves hydrogen storage tank's life and safety in utilization.
To sum up, the utility model discloses an adopt the structural style of hydrogen storage bed body component 2, improved the heat transfer performance of the hydrogen storage material bed body by a wide margin, improved by a wide margin and filled/put hydrogen rate, fully guaranteed simultaneously and store up the evenly distributed of hydrogen material powder in storing up the hydrogen jar, avoided storing up the stress concentration of hydrogen material hydrogen absorption expansion to jar production of body, effectively improved the life and the safety in utilization of solid-state hydrogen storage jar.
The above embodiments are only preferred embodiments 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 should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A solid hydrogen storage tank is characterized by comprising a tank body (1), a hydrogen storage bed body element (2), an air duct (3), a filter disc (4) and a valve (5); a plurality of hydrogen storage bed body elements (2) are stacked in the tank body (1), longitudinal through holes are formed in the hydrogen storage bed body elements (2), and the gas guide pipes (3) are placed in the through holes; each hydrogen storage bed body element (2) comprises a hydrogen storage material layer (2-1), a heat conduction layer (2-2) and a flexible wrapping layer (2-3).
2. A solid state hydrogen storage tank according to claim 1, characterized in that the number of said through holes is 1, located at the center of said hydrogen storage bed member (2); or the number of the through holes is multiple, 1 is positioned in the center of the hydrogen storage bed body element (2), and the rest through holes are uniformly distributed on the hydrogen storage bed body element (2).
3. A solid state hydrogen storage tank according to claim 1, characterized in that in the hydrogen storage bed member (2), the heat conductive layer (2-2) and the hydrogen storage material layer (2-1) are alternately stacked, and the heat conductive layer (2-2) and the hydrogen storage material layer (2-1) are wrapped by the flexible wrapping layer (2-3).
4. A solid state hydrogen storage tank according to claim 1, characterized in that in the hydrogen storage bed member (2), the hydrogen storage material layer (2-1) is uniformly filled with hydrogen storage material powder.
5. A solid state hydrogen storage tank according to claim 1, wherein the heat conductive layer (2-2) is a wire mesh, a metal foil or a metal sheet made of one of high thermal conductivity aluminum, copper and alloys thereof; the flexible wrapping layers (2-3) are made of one of iron, aluminum, copper and alloys thereof and are made of metal wire meshes or metal foils.
6. The solid-state hydrogen storage tank according to claim 1, wherein the gas-guide tube (3) and the filter sheet (4) are a copper-based or stainless steel-based porous sintered body manufactured by a powder metallurgy method.
7. The solid-state hydrogen storage tank according to claim 6, wherein the filtration accuracy of the gas-guide tube (3) and the filter sheet (4) is not more than 0.5 μm.
8. The solid-state hydrogen storage tank according to claim 1, wherein the length of the gas guide tube (3) is adjusted according to the thickness of the hydrogen storage bed member (2) or the length of the tank body (1) and is an integral multiple of the thickness of the hydrogen storage bed member (2) or is consistent with the length of the inner cavity of the tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377298.5U CN213177651U (en) | 2020-07-14 | 2020-07-14 | Solid-state hydrogen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377298.5U CN213177651U (en) | 2020-07-14 | 2020-07-14 | Solid-state hydrogen storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213177651U true CN213177651U (en) | 2021-05-11 |
Family
ID=75793243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021377298.5U Active CN213177651U (en) | 2020-07-14 | 2020-07-14 | Solid-state hydrogen storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213177651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508694A (en) * | 2022-02-14 | 2022-05-17 | 广东电网有限责任公司广州供电局 | Solid hydrogen storage and supply device for hydrogen filling station |
-
2020
- 2020-07-14 CN CN202021377298.5U patent/CN213177651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508694A (en) * | 2022-02-14 | 2022-05-17 | 广东电网有限责任公司广州供电局 | Solid hydrogen storage and supply device for hydrogen filling station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111720725A (en) | Solid-state hydrogen storage tank | |
| CA1095878A (en) | Storage of gas | |
| US6742650B2 (en) | Metal hydride storage canister design and its manufacture | |
| CN101413624B (en) | Hydrogen storing apparatus of metal hydrides and manufacturing method thereof | |
| US20060266219A1 (en) | Metal hydride hydrogen storage system | |
| CN213177651U (en) | Solid-state hydrogen storage tank | |
| CN116357886B (en) | Foam metal hydrogen storage bottle for heat pipe heat exchange and heat transfer method | |
| CN103075907B (en) | Packed bed type high pressure heat/cold storage device | |
| CN108131563B (en) | Metal hydride hydrogen storage tank with spiral structure | |
| TW201128106A (en) | Hydrogen storage device | |
| CN114038583B (en) | Full ceramic fuel rod | |
| CN204805946U (en) | Solid -state high pressure mixes hydrogen storage apparatus | |
| CN108240552A (en) | A kind of fast-response hydrogen container and preparation method thereof | |
| CN109780434B (en) | Metal hydride hydrogen storage tank with stress buffer structure | |
| CN114370602B (en) | Metal hydride hydrogen storage tank with strong stress resistance and good heat and mass transfer effects | |
| CN201339807Y (en) | Hydrogen storage device | |
| CN116336371A (en) | Metal hydride hydrogen storage tank | |
| CN114440123A (en) | Hydrogen storage bed body element for solid hydrogen storage tank | |
| CN114060718A (en) | Hydrogen-absorbing low-strain metal hydride hydrogen storage tank capable of realizing effective heat exchange | |
| JPH0524843B2 (en) | ||
| JP4098043B2 (en) | Method for producing hydrogen storage alloy storage container | |
| WO2004031645A1 (en) | Metal hydride container | |
| CN113669620B (en) | Metal hydride hydrogen storage tank | |
| CN220379430U (en) | Metal hydride hydrogen storage tank with high hydrogen absorption and desorption speed | |
| CN114352924B (en) | Diffusion type hydrogen storage bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |