CN114576548B - An efficient liquid hydrogen fuel system - Google Patents
An efficient liquid hydrogen fuel system Download PDFInfo
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- CN114576548B CN114576548B CN202210089089.8A CN202210089089A CN114576548B CN 114576548 B CN114576548 B CN 114576548B CN 202210089089 A CN202210089089 A CN 202210089089A CN 114576548 B CN114576548 B CN 114576548B
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- liquid hydrogen
- gas cylinder
- air
- heat exchanger
- pipeline
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 108
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 108
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000007788 liquid Substances 0.000 title claims abstract description 95
- 239000000446 fuel Substances 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 44
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 150000002431 hydrogen Chemical class 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04208—Cartridges, cryogenic media or cryogenic reservoirs
-
- 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
- F17C2203/03—Thermal insulations
- F17C2203/0391—Thermal insulations by vacuum
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- 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
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
-
- 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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—Fuel cells
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
本发明公开了一种高效的液氢燃料系统，包括液氢瓶和与液氢瓶配合设置的空气换热器，所述液氢瓶包括气瓶内胆，所述气瓶内胆外，设有气瓶绝热层和气瓶外壳，所述气瓶内胆与气瓶绝热层之间，为液化空气层，所述气瓶绝热层和气瓶外壳之间，为真空层，所述气瓶内胆上，连接有液氢出口管道，所述气瓶绝热层上，还连接有液化空气进口管道；所述液氢出口管道和液化空气进口管道均与所述空气换热器相连，以用液氢出口管道中的液氢将空气冷却成液化空气后输入到液化空气进口管道中使用。本发明充分利用液氢超低温的特点，在液氢瓶向发动机供气时，采用空气换热器获得液化空气，存储冷量；汽车停车后，液化空气吸收外界漏热，降低液氢瓶吸收的热量。
The present invention discloses an efficient liquid hydrogen fuel system, including a liquid hydrogen bottle and an air heat exchanger arranged in cooperation with the liquid hydrogen bottle, the liquid hydrogen bottle including a gas cylinder liner, a gas cylinder insulation layer and a gas cylinder shell are arranged outside the gas cylinder liner, a liquefied air layer is provided between the gas cylinder liner and the gas cylinder insulation layer, a vacuum layer is provided between the gas cylinder insulation layer and the gas cylinder shell, a liquid hydrogen outlet pipeline is connected to the gas cylinder liner, and a liquefied air inlet pipeline is also connected to the gas cylinder insulation layer; the liquid hydrogen outlet pipeline and the liquefied air inlet pipeline are both connected to the air heat exchanger, so that the air is cooled into liquefied air by the liquid hydrogen in the liquid hydrogen outlet pipeline and then input into the liquefied air inlet pipeline for use. The present invention makes full use of the ultra-low temperature characteristics of liquid hydrogen, and when the liquid hydrogen bottle supplies air to the engine, an air heat exchanger is used to obtain liquefied air and store cold; after the car stops, the liquefied air absorbs the external heat leakage to reduce the heat absorbed by the liquid hydrogen bottle.
Description
Technical Field
The invention belongs to the field of energy utilization, and particularly relates to a high-efficiency liquid hydrogen fuel system.
Background
The hydrogen energy is used as a secondary energy source, can be prepared by utilizing renewable natural energy sources such as solar energy, water and the like, thoroughly realizes zero pollution and zero emission of the whole cycle, becomes a new energy source which is concerned by people, and is developed in the economy developed countries such as the United states, germany, japan and the like by taking a fuel cell automobile as a main application field. In recent years, fuel cell automobiles have gradually become important carriers for development of automobiles and energy fields in China, become strategic choices for optimizing energy consumption structures and guaranteeing national energy supply safety, and also gradually become the largest market for global hydrogen energy consumption in China.
The current technology development in the field of hydrogen fuel cell automobiles is mature and the application is the most extensive, along with the continuous increase of the requirements on mass storage and efficient transportation of hydrogen, the high-pressure hydrogen storage bottle adopted at present has low hydrogen storage density (not more than 5% of total mass) and small loading capacity (the maximum volume of the high-pressure vehicle-mounted hydrogen bottle in China is 210L, the pressure is 35MPa, the density is 24g/L and the maximum loading capacity is about 5 kg), the defects of the hydrogen fuel cell automobiles cannot meet the requirements on the use and popularization of the hydrogen fuel cell automobiles, the liquid hydrogen (boiling point-253 ℃ and the density of 71g/L and the critical pressure of 1.3 MPa) is generated as the hydrogen storage form with the highest purity, the maximum energy density in unit volume and mass in the hydrogen energy storage, and the weight of the liquid hydrogen bottle under the same effective loading volume is much lighter than that of various high-pressure hydrogen storage bottles, so the liquid hydrogen bottle is more suitable for being carried by long-distance transportation vehicles and has larger endurance, higher transportation efficiency and lower transportation cost.
The liquid hydrogen has the characteristics of easy leakage, easy diffusion, hydrogen embrittlement, easy combustion, spontaneous combustion, ultralow temperature and the like, even if the best heat insulation means are adopted, evaporation loss can be inevitably generated when the liquid hydrogen bottle is in the filling process and the vehicle stops running for a long time, and how to realize long-time lossless storage and improve the utilization efficiency of the liquid hydrogen on the vehicle is always an important direction and content of research. The above reasons also lead to the fact that the existing liquid hydrogen bottles cannot be loaded and applied in batches for hydrogen fuel cell automobiles at home and abroad.
Disclosure of Invention
The invention aims to provide an efficient liquid hydrogen fuel system.
The invention is realized by the following technical scheme:
The efficient liquid hydrogen fuel system comprises a liquid hydrogen bottle and an air heat exchanger matched with the liquid hydrogen bottle, wherein the liquid hydrogen bottle comprises a gas bottle inner container, a gas bottle heat insulation layer and a gas bottle shell are sequentially arranged outside the gas bottle inner container from inside to outside, a liquefied air layer is arranged between the gas bottle inner container and the gas bottle heat insulation layer, a vacuum layer is arranged between the gas bottle heat insulation layer and the gas bottle shell, and a liquid hydrogen inlet pipeline, a liquid hydrogen outlet pipeline and a first safety valve are connected to the gas bottle inner container; the liquid hydrogen outlet pipeline and the liquefied air inlet pipeline are connected with the air heat exchanger so as to cool air into liquefied air by using liquid hydrogen in the liquid hydrogen outlet pipeline and then input the liquefied air into the liquefied air inlet pipeline for use.
Preferably, the air heat exchanger is provided with a first medium inlet, a first medium outlet, a second medium inlet and a second medium outlet, the first medium inlet and the first medium outlet are connected through a heat exchange tube, the liquid hydrogen outlet pipeline is connected with the first medium inlet, the first medium outlet is connected with a liquid hydrogen utilization pipeline, the liquefied air inlet pipeline is connected with the second medium outlet, and the second medium inlet is communicated with the outside air.
More preferably, a buffer tank is arranged on the liquid hydrogen utilization pipeline.
Preferably, the air heat exchanger comprises an air heat exchanger inner container, and an air heat exchanger heat insulation layer and an air heat exchanger shell which are sequentially arranged outside the air heat exchanger inner container.
Preferably, the liquid hydrogen outlet pipeline is provided with a liquid hydrogen outlet valve.
Preferably, the liquefied air inlet pipe is provided with a liquefied air inlet valve and a liquefied air storage tank.
The beneficial effects of the invention are as follows:
The high-efficiency liquid hydrogen fuel system has ingenious structure, designs a brand-new liquid hydrogen bottle structure, fully utilizes the characteristic of ultralow temperature of liquid hydrogen, and adopts an air-air heat exchanger to obtain liquefied air and store cold when the liquid hydrogen bottle supplies air to an engine; after the automobile is parked, when the liquid hydrogen bottle does not work, liquefied air absorbs external heat leakage between the inner container of the liquid hydrogen bottle and the heat insulation layer of the gas bottle, so that the absorbed heat of the liquid hydrogen bottle is reduced, the longer liquid hydrogen nondestructive storage time is realized, the phenomenon that the liquid hydrogen is quickly evaporated due to overlarge external heat conduction quantity of the liquid hydrogen bottle, the pressure in the bottle is overhigh, and the safety valve frequently jumps to cause the liquid hydrogen loss is avoided, the batch loading and the application of the liquid hydrogen bottle are greatly facilitated, the environmental adaptability is good, the practicability is strong, and the popularization is worth.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of a connection structure according to an embodiment of the present invention;
In the figure: 1. liquid hydrogen; 2. a gas cylinder insulating layer; 3. a gas cylinder liner; 4. liquefying an air layer; 5. a gas cylinder housing; 6. a liquid hydrogen outlet valve; 7. a liquefied air inlet valve; 8. an air heat exchanger housing; 9. a heat exchange tube; 10. an air heat exchanger liner; 11. an air heat exchanger insulating layer; 12. a liquefied air storage tank; 13. a buffer tank; 14. a first safety valve; 15. a liquid hydrogen outlet conduit; 16. a liquefied air inlet pipe; 17 liquid hydrogen utilization pipelines; 18. and a second relief valve.
Detailed Description
As shown in fig. 1, the efficient liquid hydrogen fuel system comprises a liquid hydrogen bottle 20 and an air heat exchanger 30 which is matched with the liquid hydrogen bottle 20, wherein the liquid hydrogen bottle 20 comprises a gas bottle inner container 3, a gas bottle heat insulation layer 2 and a gas bottle outer shell 5 are sequentially arranged outside the gas bottle inner container 3 from inside to outside, a liquefied air layer 4 is arranged between the gas bottle inner container 3 and the gas bottle heat insulation layer 2, a vacuum layer is arranged between the gas bottle heat insulation layer 2 and the gas bottle outer shell 5, a liquid hydrogen inlet pipeline (not shown in the figure), a liquid hydrogen outlet pipeline 15 and a first safety valve 14 are connected to the gas bottle inner container 3, and a second safety valve 18 and a liquefied air inlet pipeline 16 are also connected to the gas bottle heat insulation layer 2; the liquid hydrogen outlet pipeline 15 and the liquefied air inlet pipeline 16 are connected with the air heat exchanger 30, so that the liquid hydrogen 1 in the liquid hydrogen outlet pipeline 15 is used for cooling air into liquefied air, and then the liquefied air is input into the liquefied air inlet pipeline 16 for use.
The air heat exchanger 30 is provided with a first medium inlet, a first medium outlet, a second medium inlet and a second medium outlet, the first medium inlet and the first medium outlet are connected through the heat exchange tube 9, the liquid hydrogen outlet pipeline 15 is connected with the first medium inlet, the first medium outlet is connected with a liquid hydrogen utilization pipeline 17, the liquefied air inlet pipeline 16 is connected with the second medium outlet, and the second medium inlet is communicated with the outside air.
The liquid hydrogen utilization pipeline 17 is provided with a buffer tank 13.
The air heat exchanger 30 comprises an air heat exchanger liner 10, and an air heat exchanger heat insulation layer 11 and an air heat exchanger shell 8 which are sequentially arranged outside the air heat exchanger liner 10.
The liquid hydrogen outlet pipeline 15 is provided with a liquid hydrogen outlet valve 6.
The liquefied air inlet pipe 16 is provided with a liquefied air inlet valve 7 and a liquefied air storage tank 12.
The high-efficiency liquid hydrogen fuel system has ingenious structure, designs a brand-new liquid hydrogen bottle structure, fully utilizes the characteristic of ultralow temperature of liquid hydrogen, and adopts an air-air heat exchanger to obtain liquefied air and store cold when the liquid hydrogen bottle supplies air to an engine; after the automobile is parked, when the liquid hydrogen bottle does not work, liquefied air absorbs external heat leakage between the inner container of the liquid hydrogen bottle and the heat insulation layer of the gas bottle, so that the absorbed heat of the liquid hydrogen bottle is reduced, the longer liquid hydrogen nondestructive storage time is realized, the phenomenon that the liquid hydrogen is quickly evaporated due to overlarge external heat conduction quantity of the liquid hydrogen bottle, the pressure in the bottle is overhigh, and the safety valve frequently jumps to cause the liquid hydrogen loss is avoided, the batch loading and the application of the liquid hydrogen bottle are greatly facilitated, the environmental adaptability is good, the practicability is strong, and the popularization is worth.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210089089.8A CN114576548B (en) | 2022-01-26 | 2022-01-26 | An efficient liquid hydrogen fuel system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210089089.8A CN114576548B (en) | 2022-01-26 | 2022-01-26 | An efficient liquid hydrogen fuel system |
Publications (2)
| Publication Number | Publication Date |
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| CN114576548A CN114576548A (en) | 2022-06-03 |
| CN114576548B true CN114576548B (en) | 2024-11-19 |
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| CN202210089089.8A Active CN114576548B (en) | 2022-01-26 | 2022-01-26 | An efficient liquid hydrogen fuel system |
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| Country | Link |
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| CN (1) | CN114576548B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039371A (en) * | 2023-02-01 | 2023-05-02 | 南京聚力纤维材料有限公司 | Low-temperature double-energy automobile hybrid power system |
| CN117570355B (en) * | 2023-11-28 | 2024-05-14 | 北京中科富海低温科技有限公司 | Liquid hydrogen storage system and method for transportation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101924171B1 (en) * | 2017-09-11 | 2018-12-03 | 삼성중공업 주식회사 | Ship containing insulated cargo tank |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10040679A1 (en) * | 2000-08-19 | 2002-02-28 | Messer Griesheim Gmbh | Device and method for pressure-controlled supply from a liquid gas tank |
| US7484540B2 (en) * | 2006-01-27 | 2009-02-03 | Gm Global Technology Operations, Inc. | Liquid hydrogen storage tank with reduced tanking losses |
| CN201159393Y (en) * | 2007-12-28 | 2008-12-03 | 石家庄安瑞科气体机械有限公司 | Cryogenic Insulated Gas Cylinders |
| JP5783801B2 (en) * | 2011-05-26 | 2015-09-24 | 大陽日酸株式会社 | Liquefied hydrogen storage and supply equipment |
| CN106015921B (en) * | 2016-07-07 | 2018-05-15 | 张家港富瑞氢能装备有限公司 | A kind of vertical vessel for storing cryogenic fluids |
| CN106641697B (en) * | 2016-12-09 | 2018-11-23 | 中国科学院理化技术研究所 | Low-temperature liquid storage container with cold screen of slit inner fin type heat exchanger |
| CN207438138U (en) * | 2017-10-21 | 2018-06-01 | 张家港富瑞氢能装备有限公司 | A vehicle-mounted self-pressurized cryogenic liquid hydrogen gas supply system |
| CN107726040B (en) * | 2017-10-27 | 2019-05-07 | 中国矿业大学 | A cryogenic propellant storage tank with a pressure control device |
| JP7412073B2 (en) * | 2018-03-29 | 2024-01-12 | 川崎重工業株式会社 | Liquid hydrogen production equipment and hydrogen gas production equipment |
| KR102142006B1 (en) * | 2019-02-28 | 2020-08-06 | (주)성일엔케어 | Gas and liquid hydrogen composite charge system |
| KR102267677B1 (en) * | 2019-10-22 | 2021-06-22 | 고등기술연구원연구조합 | System for cold heat transfer and hydrogen liquefaction using cold heat circulation of liguified hydrogen |
| KR102105883B1 (en) * | 2019-11-05 | 2020-04-29 | 장진구 | Liquefied hydrogen fuel tank for drones and automobiles |
| CN110748786B (en) * | 2019-11-25 | 2023-08-11 | 杭氧集团股份有限公司 | Industrial liquid hydrogen storage device based on argon, nitrogen and positive hydrogen three-level heat preservation |
| CN213712652U (en) * | 2020-09-22 | 2021-07-16 | 北汽福田汽车股份有限公司 | Vehicle with a steering wheel |
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- 2022-01-26 CN CN202210089089.8A patent/CN114576548B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101924171B1 (en) * | 2017-09-11 | 2018-12-03 | 삼성중공업 주식회사 | Ship containing insulated cargo tank |
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