CN221121845U - Medium-and-large-sized hydrogen storage device - Google Patents
Medium-and-large-sized hydrogen storage device Download PDFInfo
- Publication number
- CN221121845U CN221121845U CN202322683598.6U CN202322683598U CN221121845U CN 221121845 U CN221121845 U CN 221121845U CN 202322683598 U CN202322683598 U CN 202322683598U CN 221121845 U CN221121845 U CN 221121845U
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- Prior art keywords
- heat exchange
- hydrogen storage
- container
- plate
- exchange plate
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 138
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 138
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 238000003860 storage Methods 0.000 title claims abstract description 113
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 239000011232 storage material Substances 0.000 claims abstract description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 9
- 238000003795 desorption Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000013529 heat transfer fluid Substances 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- -1 and in this example Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a medium-large hydrogen storage device, which relates to the field of solid-state hydrogen storage equipment and comprises a container and hydrogen storage single tanks which are arranged in the container at intervals, wherein a heat exchange flow channel is arranged in the container, the heat exchange flow channel is arranged between the hydrogen storage single tanks and surrounds the hydrogen storage single tanks, an upper heat exchange plate and a lower heat exchange plate are arranged in the container, gaps are formed between the upper heat exchange plate and the lower inner wall of the container, gaps are formed between the lower heat exchange plate and the upper inner wall of the container, and the upper heat exchange plate and the lower heat exchange plate are alternately arranged along the left-right direction, so that the heat exchange flow channel which is bent up and down is formed. Through the water conservancy diversion effect of last heat transfer plate and lower heat transfer plate for heat transfer fluid is buckled the circulation from top to bottom in the container, has effectually increased area of contact and contact time between hydrogen storage list jar and the heat transfer fluid. The heat exchange fluid adopts high-temperature liquid or low-temperature liquid, and the heat exchange of the solid hydrogen storage material is timely and fully realized by changing the temperature of the heat exchange fluid, so that the hydrogen absorption and desorption rate and the response time of the hydrogen storage device reach higher levels.
Description
Technical Field
The utility model belongs to the technical field of hydrogen storage, and particularly relates to a medium-large hydrogen storage device.
Background
Solid state hydrogen storage is the adsorption and release of hydrogen gas by a hydrogen storage alloy, and the hydrogen gas is stored in a solid state hydrogen storage container in the form of hydride. The method has higher hydrogen storage density and lower hydrogen absorption and desorption pressure, and has higher safety. However, the hydrogen absorption and desorption process is a chemical reaction, and energy conversion is often carried out in the hydrogen absorption and desorption process. Therefore, a solid state hydrogen storage device having good heat exchange capability is required to ensure the hydrogen absorption and desorption rate.
The invention discloses a CN114636091A which provides a solid hydrogen storage tank with circulation heat exchange, wherein a spiral pipeline is arranged in a hydrogen storage material in the hydrogen storage tank, and heat exchange liquid flows in the spiral pipeline to improve the heat exchange capacity of the hydrogen storage tank, so that the hydrogen absorption and desorption rate is ensured. However, the structure is generally suitable for small-sized hydrogen storage single tanks, and for medium-to-large-sized hydrogen storage devices with a plurality of hydrogen storage tanks, heat exchange parts are generally arranged in the hydrogen storage single tanks, but because the distance between the hydrogen storage single tanks is relatively short, good heat exchange capacity and relatively high hydrogen absorption and desorption rates are difficult to realize.
Disclosure of Invention
The utility model aims at: aiming at the problems, the medium-and-large-sized hydrogen storage device capable of fully realizing heat exchange and timely cooling or heating the solid hydrogen storage material is provided.
The technical scheme adopted by the utility model is as follows:
The utility model provides a middle-size and large-scale hydrogen storage device, hydrogen storage device includes container and the hydrogen storage list jar of interval arrangement in the container, is equipped with the heat transfer runner in the container, and the heat transfer runner sets up between the hydrogen storage list jar and around the hydrogen storage list jar.
Preferably, an upper heat exchange plate and a lower heat exchange plate are arranged in the container, a gap is formed between the upper heat exchange plate and the lower inner wall of the container, a gap is formed between the lower heat exchange plate and the upper inner wall of the container, and the upper heat exchange plate and the lower heat exchange plate are arranged in a staggered mode along the left-right direction, so that a heat exchange flow channel which is bent up and down is formed.
Preferably, a liquid inlet plate and a liquid outlet plate are arranged in the container, one end of the container and the liquid inlet plate form a liquid inlet cavity, the other end of the container and the liquid outlet plate form a liquid outlet cavity, a heat exchange cavity is formed between the liquid inlet plate and the liquid outlet plate and in the inner wall of the container, the upper heat exchange plate and the lower heat exchange plate are arranged in the heat exchange cavity, the liquid inlet plate is provided with a liquid inlet, and the liquid outlet plate is provided with a liquid outlet.
Preferably, the liquid inlet pipe and the liquid outlet pipe are arranged on the side wall of the liquid outlet cavity, pass through the heat exchange cavity and are communicated with the liquid inlet cavity, and the liquid outlet pipe is arranged on the side wall of the liquid outlet cavity and is communicated with the liquid outlet cavity.
Preferably, the hydrogen storage single tank extends in the left-right direction in the container, the upper heat exchange plate and the lower heat exchange plate are respectively provided with through holes for installing the hydrogen storage single tank, and the hydrogen storage single tank penetrates through the upper heat exchange plate and the lower heat exchange plate to be fixed in the container.
Preferably, one end of the container is provided with a valve for controlling the inlet and outlet of hydrogen, and the hydrogen storage single tank is connected with the valve through a bus.
Preferably, the busbar is provided with a first interface and a plurality of second interfaces, the first interface is in threaded connection with the valve, and the second interface is connected with the gas inlets and outlets of the plurality of hydrogen storage single tanks.
Preferably, a plurality of hydrogen storage units are stacked in the hydrogen storage single tank, and each hydrogen storage unit comprises a heat exchange device and hydrogen storage materials filled between the heat exchange devices.
Preferably, the bottom of the container is provided with a bracket.
The beneficial effects of the utility model are as follows: the upper heat exchange plate and the lower heat exchange plate are arranged in the container, and heat exchange fluid flows in the container in a vertically bent mode through the diversion effect of the upper heat exchange plate and the lower heat exchange plate, so that the contact area and the contact time between the hydrogen storage single tank and the heat exchange fluid are effectively increased. The heat exchange fluid adopts high-temperature liquid or low-temperature liquid, and the heat exchange of the solid hydrogen storage material is timely and fully realized by changing the temperature of the heat exchange fluid, so that the hydrogen absorption and desorption rate and the response time of the hydrogen storage device reach higher levels.
In addition, according to the size of the container, a plurality of hydrogen storage single tanks to tens of hydrogen storage single tanks can be filled in the container, so that the hydrogen storage device is large in hydrogen storage quantity, low in production cost and more suitable for being used as an energy storage device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a plan front sectional view of a medium-and-large-sized hydrogen storage device provided by the utility model.
Fig. 2 is a perspective view of a liquid inlet plate used in a medium-and-large-sized hydrogen storage device according to the present utility model.
Fig. 3 is a perspective view of a liquid outlet plate used in a medium-and-large-sized hydrogen storage device according to the present utility model.
Fig. 4 is a perspective view of the structure of an upper heat exchange plate used in a medium-and-large-sized hydrogen storage device according to the present utility model.
Fig. 5 is a perspective view showing the structure of a lower heat exchange plate used in a medium-and-large-sized hydrogen storage device according to the present utility model.
Fig. 6 is a perspective view of a hydrogen storage single tank used in a medium-and-large-sized hydrogen storage device according to the present utility model.
Fig. 7 is a schematic structural view of a hydrogen storage unit of a hydrogen storage single tank.
The main reference numerals illustrate:
1-container, 2-liquid inlet plate, 3-liquid outlet plate, 4-upper heat exchange plate, 5-lower heat exchange plate, 6-hydrogen storage single tank, 7-busbar, 8-liquid inlet pipe, 9-liquid inlet installation port, 10-liquid inlet, 11-liquid outlet, 12-liquid outlet installation port, 13-valve, 14-bracket, 100-filter head, 101-hydrogen storage unit, 201-metal disc, 202-expanded graphite disc, 301-radiating fin, 302-hydrogen storage material and 303-thin copper plate.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, a medium-large hydrogen storage device comprises a container 1, a liquid inlet plate 2, a liquid outlet plate 3, an upper heat exchange plate 4, a lower heat exchange plate 5, a hydrogen storage single tank 6, a busbar 7, a liquid inlet pipe 8, a valve 13 and a bracket 14. The 9 hydrogen storage single tanks 6 are arranged and stacked in a 3 multiplied by 3 form inside the container 1; the hydrogen storage single tank 6 penetrates through the upper heat exchange plate 4 and the lower heat exchange plate 5 and is welded with the liquid inlet plate 2 and the liquid outlet plate 3. The hydrogen storage single tank 6 is connected with a valve 13 through a busbar 7, and the busbar 7 is formed by welding stainless steel. One end of the busbar 7 is welded with the gas inlets and outlets of the 9 hydrogen storage single tanks 6, and the other end is in threaded connection with the valve 13. The hydrogen storage single tank 6 is a stainless steel seamless pipe, the outer diameter of the hydrogen storage single tank 6 is 60mm to 80mm, the example is preferably 70mm, the wall thickness of the hydrogen storage single tank 6 is 3mm to 5mm, and the example is preferably 4mm. The bracket 14 is welded to the bottom of the container 1 for fixing the hydrogen storage device. The brackets 14 are evenly distributed on two sides of the container 1 for bearing, and the number of the brackets is 4. One end of the container 1 and the liquid inlet plate 2 form a liquid inlet cavity, the other end of the container 1 and the liquid outlet plate 3 form a liquid outlet cavity, a heat exchange cavity is formed between the liquid inlet plate 2 and the liquid outlet plate 3 and the inner wall of the container 1, and the upper heat exchange plate 4 and the lower heat exchange plate 5 are both arranged in the heat exchange cavity.
Referring to fig. 2 and 3, the liquid inlet plate 2 and the liquid outlet plate 3 are circular stainless steel metal plates. The upper end of the liquid inlet plate is provided with a liquid inlet 10, and 9 hydrogen storage single tanks 6 and liquid inlet pipes 8 penetrate through the liquid inlet plate 2 and are welded with the liquid inlet plate 2. The upper end trompil of drain plate 3 is equipped with liquid outlet 11, and drain plate 3 and the tank bottoms welding of 9 hydrogen storage list jars 6, and feed liquor pipe 8 runs through the lower extreme of drain plate 3 and with its welding. More specifically, the liquid inlet pipe 8 is connected to a liquid inlet mounting port 9 formed in the lower portion of the liquid inlet plate 2, and the connection portion between the liquid inlet pipe 8 and the container is located in the liquid outlet cavity. The side wall of the liquid outlet cavity of the container 1 is also provided with a liquid outlet mounting hole 12, and the liquid outlet mounting hole 12 is used for being connected with a liquid outlet pipe. The liquid inlet pipe 8 and the liquid outlet pipe are both connected to one end of the liquid outlet cavity of the container, so that the connection of the liquid inlet pipe and the liquid outlet pipe is facilitated.
Referring to fig. 4 and 5, the upper heat exchange plate 4 and the lower heat exchange plate 5 are metal plates with specific shapes, and are made of copper. The 5 upper heat exchange plates 4 and the 4 lower heat exchange plates 5 are alternately arranged up and down, left and right along the inner space of the container 1 and welded on the inner wall of the container 1. The upper heat exchange plate 4 and the lower heat exchange plate 5 are in an incomplete round shape, so that a gap is formed between the upper heat exchange plate and the inner wall of the container, specifically: the upper heat exchange plate 4 and the lower side wall of the container 1 are provided with gaps, the lower heat exchange plate 5 and the upper side wall of the container 1 are provided with gaps, so that a heat exchange flow channel which is bent up and down is formed in the heat exchange cavity, heat exchange fluid flows in the heat exchange flow channel in a vertically bent way, and the heat exchange fluid is fully contacted with the outer wall of the hydrogen storage single tank 6 for heat exchange. The upper heat exchange plate 4 and the lower heat exchange plate 5 are respectively provided with 9 holes. The hydrogen storage single tank 6 penetrates through 9 holes and is tightly attached to the upper heat exchange plate 4 and the lower heat exchange plate 5. The bottom of the lower heat exchange plate 5 is provided with a hole for the liquid inlet pipe 8 to pass through. The alternating drainage effect of the upper heat exchange plate 4 and the lower heat exchange plate 5 effectively increases the contact time of a heat exchange medium and the surface of the hydrogen storage single tank, overcomes the problem of uneven heat exchange of the traditional solid hydrogen storage tank, and improves the heat exchange efficiency.
Referring to fig. 6, the hydrogen storage single tank 6 includes 7 hydrogen storage units 101. The top end of the hydrogen storage single tank 6 is provided with a filter head 100 for preventing the alloy powder from being mixed. The unique structure of the hydrogen storage unit 101 effectively improves the heat exchange effect of the hydrogen storage single tank 6.
Referring to fig. 7, the hydrogen storage unit 101 includes a metal disk 201, an expanded graphite disk 202, heat radiating fins 301, a hydrogen storage material 302, and a thin copper plate 303. The material of the metal disc 201 may be made of copper, copper alloy, aluminum or aluminum alloy, and in this example, copper alloy is used, and the thickness is 2mm to 4mm, and in this example, 2mm is preferred. The expanded graphite disks 202 are compressed from expanded graphite worms having a thickness of 1mm to 2mm, and in this case preferably 2mm. The two sides of the metal disc 201 are provided with expanded graphite discs 202, and the metal disc 201 is provided with a plurality of ventilation holes distributed at equal intervals along the circumferential direction, wherein the diameter of each ventilation hole is 3mm to 5mm, and the diameter of each ventilation hole is preferably 4mm in this example. The heat dissipation fin 30 is in a folded line shape, and is made of one of aluminum, aluminum alloy, copper or copper alloy, and aluminum alloy is adopted in the example. The heat radiating fin 301 is disposed in the middle of the hydrogen storage unit 101. The hydrogen storage material 302 is one or more of rare earth type AB5 hydrogen storage alloy, titanium type AB2 hydrogen storage alloy, titanium type AB hydrogen storage alloy or magnesium-based hydrogen storage alloy, and the grain size range is 0.1mm to 1mm, and the grain size range is 0.1mm by adopting rare earth type AB5 hydrogen storage alloy in this example.
The structure of the hydrogen storage unit 101 is known in the art, and thus in other embodiments, the structure of the hydrogen storage unit 101 may be other existing structures as will occur to those of skill in the art.
The number of the hydrogen storage single tanks 6 can be other than the above 9, and can be 16, 20, 25 or the like, in this example, the specific layout of the 9 hydrogen storage single tanks is vertical 3, vertical 3 (3×3 for short), and in other embodiments, the specific layout can be vertical 4, vertical 4 (4×4 for short), vertical 4, vertical 5 (4×5 for short) or the like, so that the space utilization rate is higher, and the hydrogen storage amount is larger.
The utility model is generally used as an energy storage device for hydrogen, and is therefore generally fixed at a certain place, and is less transported under the condition of being full of hydrogen. The heat exchange medium is antifreeze or water, the antifreeze can be heated and cooled, and is not easy to freeze and freeze in a low-temperature environment, and the heat exchange efficiency is higher.
The working flow of the utility model is as follows: when the hydrogen storage device needs to absorb hydrogen, the cooled antifreeze is introduced into the liquid inlet pipe 8, flows through the liquid inlet cavity and the liquid inlet 10, flows in the container along the upper and lower bending flow passages under the flow guiding action of the upper heat exchange plate 4 and the lower heat exchange plate 5, and flows out after being bent and flowing through the liquid outlet 11 and the liquid outlet cavity. Through the flow passage design of the heat exchange medium, the contact area and the contact time between the hydrogen storage single tank 6 and the heat exchange fluid are effectively increased, and the hydrogen absorption of the hydrogen storage single tank 6 is promoted. When the hydrogen storage device needs to release hydrogen, the heated antifreeze is introduced into the liquid inlet pipe 8, and the antifreeze fully heats the hydrogen storage single tank 6 in the flowing process of the heat exchange flow passage to promote the hydrogen release of the hydrogen storage device.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (9)
1. The medium-and-large-sized hydrogen storage device is characterized by comprising a container and hydrogen storage single tanks which are arranged in the container at intervals, wherein heat exchange flow passages are arranged in the container, are arranged between the hydrogen storage single tanks and surround the hydrogen storage single tanks; a liquid inlet plate and a liquid outlet plate are arranged in the container, one end of the container and the liquid inlet plate form a liquid inlet cavity, the other end of the container and the liquid outlet plate form a liquid outlet cavity, a heat exchange cavity is formed between the liquid inlet plate and the liquid outlet plate and on the inner wall of the container, and a heat exchange flow channel is arranged in the heat exchange cavity; still include feed liquor pipe and drain pipe, the feed liquor pipe communicates in the feed liquor chamber, and the drain pipe communicates in the drain chamber.
2. The medium-and-large-sized hydrogen storage device according to claim 1, wherein an upper heat exchange plate and a lower heat exchange plate are arranged in the container, a gap is formed between the upper heat exchange plate and the lower inner wall of the container, a gap is formed between the lower heat exchange plate and the upper inner wall of the container, and the upper heat exchange plate and the lower heat exchange plate are arranged in a staggered manner along the left-right direction, so that a heat exchange flow channel which is bent up and down is formed.
3. The medium-and-large-sized hydrogen storage device according to claim 2, wherein the upper heat exchange plate and the lower heat exchange plate are arranged in the heat exchange cavity, the liquid inlet plate is provided with a liquid inlet, and the liquid outlet plate is provided with a liquid outlet.
4. A medium-and-large-sized hydrogen storage device according to claim 3, wherein the liquid inlet pipe is arranged on the side wall of the liquid outlet cavity, penetrates through the heat exchange cavity and is communicated with the liquid inlet cavity, and the liquid outlet pipe is arranged on the side wall of the liquid outlet cavity and is communicated with the liquid outlet cavity.
5. The medium-and-large-sized hydrogen storage device according to claim 2, wherein the hydrogen storage single tank extends in the left-and-right direction in the container, the upper heat exchange plate and the lower heat exchange plate are respectively provided with through holes for installing the hydrogen storage single tank, and the hydrogen storage single tank penetrates through the upper heat exchange plate and the lower heat exchange plate to be fixed in the container.
6. The medium-and-large-sized hydrogen storage device according to claim 1, wherein one end of the container is provided with a valve for controlling the entry and exit of hydrogen, and the hydrogen storage single tank is connected with the valve through a bus bar.
7. The device of claim 6, wherein the bus bar is provided with a first interface and a plurality of second interfaces, the first interface is in threaded connection with the valve, and the second interface is connected with the gas inlets and outlets of the plurality of hydrogen storage single tanks.
8. The medium-and-large-sized hydrogen storage device according to claim 1, wherein a plurality of hydrogen storage units are stacked in the hydrogen storage single tank, and each hydrogen storage unit comprises a heat exchange device and hydrogen storage materials filled between the heat exchange devices.
9. A medium and large scale hydrogen storage apparatus according to claim 1 wherein the bottom of the vessel is provided with a support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322683598.6U CN221121845U (en) | 2023-10-08 | 2023-10-08 | Medium-and-large-sized hydrogen storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322683598.6U CN221121845U (en) | 2023-10-08 | 2023-10-08 | Medium-and-large-sized hydrogen storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221121845U true CN221121845U (en) | 2024-06-11 |
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ID=91365821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322683598.6U Active CN221121845U (en) | 2023-10-08 | 2023-10-08 | Medium-and-large-sized hydrogen storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221121845U (en) |
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2023
- 2023-10-08 CN CN202322683598.6U patent/CN221121845U/en active Active
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