259results about "Fixed capacity gas holders" patented technology

The utility model discloses an inerting and discharging combined safety protection device for a solid hydrogen storage tank, and belongs to the technical field of hydrogen storage and supply. The device comprises a solid hydrogen storage tank main body, a pressure and temperature sensing module, an inert gas injection system, a flameless relief device and a hydrogen treatment unit, the pressure and temperature sensing module monitors parameters in the tank in real time, when the parameters exceed a preset threshold value, the inert gas injection system injects inert gas from the lower portion of the tank body at constant pressure, the air pressure is stabilized through flow control, and meanwhile hydrogen is pumped out of an opening in the upper portion of the tank body to the processing unit; and a discharge port is formed in the side surface of the tank body and is linked with the flameless discharge device. According to the device, through the design of inerting inhibition and safe release, the potential safety hazard of overtemperature and overpressure in the solid hydrogen storage process is solved, the stability and safety of a hydrogen storage system are improved, and the device is convenient to operate and adapts to transformation of an existing solid hydrogen storage tank.

The invention relates to the technical field of hydrogen energy solid hydrogen storage, and discloses a metal hydride hydrogen storage tank and a circulating hydrogen charging and discharging method.The metal hydride hydrogen storage tank comprises a tank body, the top end of the tank body is communicated with a gas inlet pipe, and the bottom end of the gas inlet pipe extends into the tank body and is rotationally provided with a connecting pipe through a rotating connector; a plurality of circular heat dissipation fins are fixedly connected between the inner walls of the tank body, the bottom end of the connecting pipe penetrates through the heat dissipation fins to be rotationally connected with the bottom end of the tank body, and a plurality of air holes are formed in the surface of each heat dissipation fin; four telescopic rods are fixedly connected to the top wall of the interior of the tank body, the hydrogen storage tank drives the transmission assembly to drive the connecting pipe and the stirring plate to rotate through movement of the piston, metal hydride is prevented from caking, hydrogen is dispersed more evenly through inclined air outlet holes, and the hydrogen storage efficiency is improved; the circular heat dissipation fins are provided with air holes, so that heat dissipation is achieved, and circulation of hydrogen is not blocked.

The invention belongs to the technical field of hydrogen energy, and particularly relates to a solid hydrogen storage system with two charging and discharging ends and a working method.The solid hydrogen storage system comprises at least two independent solid hydrogen storage units, and each solid hydrogen storage unit independently communicates with an upstream hydrogen supply pipeline through a first valve set and independently communicates with a downstream hydrogen using pipeline through a second valve set; each solid hydrogen storage unit is selectively communicated with the thermal circulation loop or the cold circulation loop through a third valve group; the first valve group, the second valve group and the third valve group are controlled, so that when the upstream hydrogen supply pipeline has a hydrogen supply demand and the downstream hydrogen use pipeline has a hydrogen use demand, the first solid hydrogen storage unit is configured to be in a hydrogen charging mode, and meanwhile, the second solid hydrogen storage unit is configured to be in a hydrogen discharging mode; the solid hydrogen storage unit in the hydrogen charging mode is communicated with the upstream hydrogen supply pipeline and the cold circulation loop for charging hydrogen, and the solid hydrogen storage unit in the hydrogen discharging mode is communicated with the downstream hydrogen supply pipeline and the hot circulation loop for discharging hydrogen.

The present application provides a solid-state hydrogen storage material and a preparation method and application thereof. Specifically, the preparation method comprises the following steps: (1) ball-milling a magnesium-based alloy powder, a light metal hydride, a nano-carbon material, a composite catalyst powder and an interface modifier to obtain a mixed powder; and (2) sintering the mixed powder under vacuum at 200-350 DEG C for 2-5 hours to obtain a sintered body, wherein: the magnesium-based alloy powder is a Mg-Mn-Al alloy powder; the light metal hydride is a mixture of LiAlH4 and NaBH4; the nano-carbon material is selected from one or more of graphene and carbon nanotubes; the composite catalyst powder is a mixture of TiO2, Fe3O4, CeO2 and La2O3; and the interface modifier is selected from one or more of a silane coupling agent and a titanate coupling agent. The solid-state hydrogen storage material has high hydrogen storage capacity, fast hydrogen absorption and desorption rate and good cycle stability.

A heat generating device includes: a sealed container; a tubular body provided in a hollow portion of the sealed container; a heat generating element provided on an outer surface of the tubular body and configured to generate heat by occluding and discharging hydrogen supplied to the hollow portion; and a flow path formed by an inner surface of the tubular body and through which configured to allow a fluid that exchanges heat with the heat generating element to flow. The heat generating element includes a base made of a hydrogen storage metal, and a multilayer film provided on the base. The multilayer film has a first layer made of a hydrogen storage metal and having a thickness of less than 1000 nm, and a second layer made of a hydrogen storage metal, which is different from that of the first layer, and having a thickness of less than 1000 nm.

The invention discloses a hydrogen storage reactor based on synergistic heat management of a phase change material and a spiral heat exchange tube. The hydrogen storage reactor comprises an outer cylinder, a middle cylinder, an inner cylinder, a sealing cover and the spiral heat exchange tube. The outer cylinder, the middle cylinder and the inner cylinder divide the hydrogen storage reactor into three layers from inside to outside, and the inner layer and the outer layer are filled with phase change materials; the spiral heat exchange tube is arranged on the middle layer, and metal hydride is filled around the spiral heat exchange tube; in the hydrogen storage process, hydrogen flows into the middle layer of the reactor from an inlet in the center of the top end of the reactor and reacts with metal hydride; heat exchange fluid flows into the spiral heat exchange tube from a top inlet of the reactor, absorbs heat generated by reaction and flows out from a bottom outlet of the reactor; the phase change materials filled in the inner layer and the outer layer absorb heat generated by reaction and store the heat. The spiral heat exchange pipe is adopted for accelerating heat exchange, and the hydrogen storage and release rate is increased; the phase change material can store part of heat generated by the hydrogen storage reaction and release the heat during hydrogen release, the interlayer type arrangement can increase the heat exchange area, and the heat storage and release efficiency is improved.

The present invention relates to a hydrogen storage pellet that allows the production of compact, modular, safe and energy-efficient hydrogen storage. The pellet of the present invention comprises a peripheral ring (4) of an outer diameter of expanded natural graphite (ENG) of a predetermined height, surrounding a wafer of metal hydride (5) in the form of a compressed powder.

The utility model relates to the technical field of hydrogen storage, in particular to a hydrogen adjusting system based on solid hydrogen storage, which comprises a solid hydrogen storage tank, a high-temperature heating medium storage tank, a low-temperature heating medium storage tank, a first circulation pipeline, a first valve, a second circulation pipeline, a first adjusting valve, a third circulation pipeline and a second valve, the high-temperature heat medium storage tank communicates with a heat exchange cavity of the solid hydrogen storage tank through a first circulation pipeline, and the first valve is arranged on the first circulation pipeline. The low-temperature heat medium storage tank communicates with the heat exchange cavity of the solid hydrogen storage tank through a second circulation pipeline, and the first adjusting valve is arranged on the second circulation pipeline. The low-temperature heat medium storage tank communicates with the high-temperature heat medium storage tank through a third circulation pipeline, and the second valve is arranged on the third circulation pipeline. According to the efficient hydrogen storage system, supply and demand balance of hydrogen production and hydrogen use is achieved, through the dynamic hydrogen adjusting effect of the solid hydrogen storage system, the defects that green energy hydrogen production is unstable and discontinuous can be overcome, and the continuous and stable production working condition of the hydrogen use end is met.

The invention belongs to the technical field of hydrogen storage, and particularly relates to a solid hydrogen storage tank and an explosion suppression control method thereof. The solid hydrogen storage tank comprises a tank body, at least one monitoring module, at least one explosion suppression device and a control module, the tank body comprises a tank shell and an airflow speed limiter, an inner cavity is formed in the tank shell, and the airflow speed limiter is arranged in the tank shell. The monitoring module is arranged on the peripheral wall of the tank shell and used for collecting pressure and temperature in the inner cavity. And the at least one explosion suppression device is arranged on the peripheral wall of the tank shell and can spray an explosion suppression material towards the inner cavity. The control module is connected with the monitoring module and the explosion suppression device and controls the explosion suppression device according to monitoring information sent by the monitoring module. Wherein the airflow speed limiter is connected with a hydrogen output pipeline and is used for adjusting the flow of hydrogen entering the hydrogen output pipeline according to the pressure in the inner cavity. According to the solid-state hydrogen storage tank provided by the invention, the safety level of the solid-state hydrogen storage tank is greatly improved in a mode of combining active safety defense and passive safety adjustment.

The invention discloses a vortex channel hydrogen storage reactor of a fluid streaming gradual change hydrogen storage tank unit, and belongs to the field of chemical reactor design. The whole reactor is a cylindrical shell, a heat exchange fluid inlet is formed in the center of the upper side of the shell, a hydrogen inlet is formed in a left end shell cover, and a heat exchange fluid outlet is formed in a right end shell cover; the heat exchange fluid channel is in a vortex shape, the multiple hydrogen storage tank units are sequentially arranged in the center of a flow channel of the vortex channel, and the diameter of the hydrogen storage tank is evenly reduced from the shell to the center position. Hydrogen enters the bed layer through a hydrogen pipe in the hydrogen storage tank and reacts with the metal hydride; meanwhile, the heat exchange fluid in the vortex channel flows around the hydrogen storage tank unit in the axial direction for heat exchange and then flows out through an outlet; the hydrogen storage tank has the advantages of excellent heat and mass transfer performance, uniform bed temperature of the hydrogen storage tank, small pressure-bearing stress of the tank body, synchronous reaction process of each hydrogen storage tank, high reliability and long service life, and is suitable for hydrogenation / dehydrogenation reaction of metal hydride with high hydrogen storage capacity requirement and larger reaction heat effect.

The invention discloses an integrated solid hydrogen storage and supply device and a using method thereof, and relates to the technical field of solid hydrogen storage, the integrated solid hydrogen storage and supply device comprises a heat exchange box body, the heat exchange box body is provided with a cavity used for containing a cooling medium, and the cavity is internally provided with a heat exchange cavity; a water inlet and a water outlet which are communicated to the cavity are formed in the side wall of the heat exchange box body; the cavity has a length direction, a width direction and a height direction which are mutually vertical in pairs; the hydrogen storage pipes are fixedly arranged in the cavity, the hydrogen storage pipes are distributed in multiple rows in the width direction and the height direction of the cavity, and the hydrogen storage pipes in the adjacent rows in at least one direction are arranged in a staggered mode. The hydrogen storage pipes are arranged in a staggered mode, so that the advantages of small size and large flow of an integrated device are better exerted; hydrogen is collected in a limited space to achieve certain hydrogen absorption and desorption performance, and large-scale integration and large-flow hydrogen supply can be achieved.

This invention relates to a method for producing organometallic coordination polymers and materials obtained using the provided method. The organometallic coordination polymer synthesized according to this method has a gel structure, characterized by an effective diameter of 0.75-0.80 nm and a specific area of ​​1300-1700 m². 2 / g, micropore volume of 0.5-0.6cm³ 3 The method yields nanopores per g and improved thermal stability. The synthesis method allows for reduced material consumption during the process by using a single solvent in both the synthesis and activation stages, thus shortening the production time of the polymer gel, which is characterized by active mesopores and micropores. This makes it suitable as a matrix in various absorption processes, including natural gas storage systems.

To enable the amount of hydrogen absorbed in a hydrogen storage alloy to be specified. [Solution] A parameter acquisition unit acquires a variation parameter (step S101). In step S102, an identification unit identifies the remaining amount of hydrogen absorbed in the hydrogen storage alloy based on the variation parameter acquired by the parameter acquisition unit and relationship information stored in a storage unit (step S102). In step S103, the identification unit registers the remaining amount of hydrogen in the cartridge identified in step S102 in a management table (step S103).

The invention provides a spiral push-pull mechanism for generating alkali metal gas, and relates to the technical field of alkali metal gas. The spiral push-pull type mechanism for generating the alkali metal gas comprises a flange, a valve is installed at the top of the flange, a plurality of first bolts are installed between the flange and the valve, and the bottom ends of the outer walls of the first bolts are all in threaded connection with first nuts; and a stopping mechanism is mounted at the top of the valve. By designing the metal sleeve, the internal thread, the placement pipe, the corrugated pipe and the extrusion mechanism, a worker directly places a glass bulb stored with alkali metal gas into the placement pipe, and an operation hand wheel is rotated to enable an extrusion head to extrude the corrugated pipe so as to extrude the glass bulb, so that the alkali metal atom gas is released. And the product is high in reliability and can be repeatedly disassembled, assembled and used, and only the glass bulb in the placing pipe needs to be replaced during replacement, so that the use cost of the device is greatly reduced.

The invention relates to the technical field of hydrogen energy equipment, in particular to a graded hydrogenation regulation and control method of a hydrogen production and hydrogenation all-in-one machine, which can automatically distinguish the high-pressure quick filling requirement of a hydrogen fuel cell passenger car and the low-pressure stable filling requirement of a solid hydrogen storage bicycle, and execute an optimal filling strategy according to the high-pressure quick filling requirement and the low-pressure stable filling requirement. According to the method, multiple purposes are achieved through one machine, the service range and market potential of single equipment are effectively expanded, system pre-cooling and initial pressure optimization based on a thermodynamic model are introduced, pressure impact and temperature rise in the initial stage of filling are restrained from the source, a safe and stable foundation is laid for the whole filling process, and the method is suitable for popularization and application. And in the core filling link, cooperative work of the high-pressure hydrogen storage bottle set and the low-pressure hydrogen storage bottle set is achieved through intelligent valve position scheduling, the filling process is optimized, the filling efficiency is remarkably improved, meanwhile, material fatigue and equipment loss caused by too high speed are avoided through dynamic regulation and control, and therefore the service life of core components is prolonged.

The invention relates to the technical field of solid hydrogen storage, in particular to a composite solid hydrogen storage tank capable of absorbing and desorbing hydrogen simultaneously. Comprising an external tank body and an internal tank body, an external hydrogen inlet is formed in one side of the bottom of the external tank body, an external hydrogen outlet is formed in one side of the top of the external tank body, and an external heating pipe is welded to the outer side of the external tank body and connected with an external heat source inlet and an external heat source outlet; an internal hydrogen inlet is formed in the bottom of the internal tank body, an internal hydrogen outlet is formed in the top of the internal tank body, an internal heating pipe is arranged on the internal tank body, the internal heating pipe is connected with an internal heat source inlet and an internal heat source outlet, external hydrogen storage alloy is arranged between the external tank body and the internal tank body, and internal hydrogen storage alloy is arranged in the internal tank body. The heat of the external hydrogen storage alloy and the heat of the internal hydrogen storage alloy can be conducted mutually, redundant heat in the hydrogen absorption process is fully utilized, the energy consumption of the whole system is reduced, and the hydrogen absorption and desorption functions of one hydrogen storage tank can be achieved through the principles of hydrogen absorption and heat release and hydrogen desorption and heat absorption.

The utility model relates to the field of hydrogen storage devices, in particular to a solid hydrogen storage device capable of utilizing waste heat. Comprising a storage box, a conveying pipe and a pipeline limiting assembly, the upper surface of the storage box fixedly communicates with an inlet pipe, the conveying pipe communicates with the inlet pipe through the pipeline limiting assembly, the pipeline limiting assembly is located at the upper end of the inlet pipe, the pipeline limiting assembly comprises a connecting pipe, and the lower end of the connecting pipe fixedly communicates with the inlet pipe; the connecting pipe is in a circular truncated cone shape, the upper end of the connecting pipe fixedly communicates with a connecting pipe, and the outer wall of the connecting pipe is slidably connected with a sliding ring. The solid hydrogen storage device capable of utilizing the waste heat has the advantages that a worker can conveniently adjust the clamping blocks to limit the transmission pipes with different diameters, so that the hydrogen transmission pipes with different diameters can be in butt joint with the inlet pipe in the solid hydrogen storage device, and the application range of the solid hydrogen storage device is widened.

This invention discloses a composite hydrate solid hydrogen storage system and method. The system includes a reactor, a micro / nano bubble generator, a piston-type extrusion device, and a monitoring device. The inner wall of the reactor is coated with a hydrophobic coating and injected with a thermodynamic promoter. The micro / nano bubble generator converts the introduced hydrogen gas into micro / nano bubbles, and its outlet is connected to the reactor to introduce the micro / nano bubbles into the reactor to react with the thermodynamic promoter under low temperature and high pressure conditions to form a composite hydrate. The piston-type extrusion device scrapes off the composite hydrate adhering to the hydrophobic coating and compresses the composite hydrate in the reactor to obtain a solid hydrate hydrogen storage body. The monitoring device includes multiple electrodes arranged in the reactor at intervals along the vertical direction to monitor the distribution of the gas, liquid, and solid phases in the reactor. This improves hydrogen storage efficiency, increases the density and hydrogen storage density of the solidified hydrate, and achieves dynamic monitoring of the distribution of the gas, liquid, and solid phases in the reactor.

Provided is a control device for an energy extraction system capable of efficiently extracting heat as energy. The energy extraction system extracts heat by supplying hydrogen gas to a hydrogen-containing metal of a face-centered cubic structure. A control device for an energy extraction system is provided with an execution device. The execution device preferentially occludes hydrogen atoms at the O-site by supplying hydrogen gas to the hydrogen occluding metal at a pressure that preferentially occludes hydrogen atoms at the O-site compared to the T-site.

The invention discloses a high-pressure gaseous fixed hydrogen storage system suitable for an unstable power supply, which comprises a hydrogen production device, a low-pressure hydrogen storage unit and a high-pressure hydrogen storage unit, the hydrogen production device, the low-pressure hydrogen storage unit and the high-pressure hydrogen storage unit are sequentially connected to form a first hydrogen storage passage, and the hydrogen production device and the high-pressure hydrogen storage unit are sequentially connected to form a second hydrogen storage passage. The system further comprises an unstable power supply prediction system and an unstable power supply prediction device, the unstable power supply prediction device is used for measuring the regional wind speed and wind direction and obtaining a plurality of first parameters, and the unstable power supply prediction system can process the first parameters to predict the hydrogen production amount of the hydrogen production unit. A second parameter can be calculated according to the predicted hydrogen production amount of the hydrogen production unit and hydrogen changes of the hydrogen production device, the low-pressure hydrogen storage unit and the high-pressure hydrogen storage unit in a certain period, if the second parameter is smaller than a first threshold value, the hydrogen storage flow of the high-pressure hydrogen storage unit is maintained or reduced, and otherwise, the hydrogen storage flow of the high-pressure hydrogen storage unit is opened or maintained.

The invention relates to a hydrogen direct-fired compressed CO2 energy storage system coupled with solid hydrogen storage, the hydrogen direct-fired compressed CO2 energy storage system comprises a solid hydrogen storage unit, a hydrogen direct-fired unit and a compressed CO2 energy storage unit, the solid hydrogen storage unit is connected with an inlet of the hydrogen direct-fired unit, and an outlet of the hydrogen direct-fired unit is connected with an inlet of the compressed CO2 energy storage unit; an outlet of the compressed CO2 energy storage unit is connected with an inlet of the hydrogen direct combustion unit; the compressed CO2 energy storage unit comprises at least two sections of compression devices, and each section of compression device is provided with an interstage heat exchanger. The system has the characteristics of zero carbon emission, safety, high efficiency and high energy utilization rate, and supports power grid peak regulation and zero carbon technologies.

The invention discloses a reaction kettle capable of charging, discharging and storing hydrogen, which comprises a reaction kettle body, an inner cavity of the reaction kettle body is used as a reaction cavity, and the reaction kettle body is provided with a gas inlet / outlet interface, a pressure transmitter interface and a temperature transmitter interface; a placing frame is arranged in the reaction cavity, a plurality of placing positions used for placing the hydrogen storage tank are arranged on the placing frame, each placing position is provided with a bearing piece and a heat exchange coil pipe, one end of the hydrogen storage tank is open, and the heat exchange coil pipes are located on the periphery of the hydrogen storage tank and used for conducting heat exchange with the hydrogen storage tank; the reaction kettle body is also provided with an oil inlet and an oil outlet, oil is supplied to each group of heat exchange coil pipes through the oil inlet, and oil in each group of heat exchange coil pipes is led out through the oil outlet. Compared with the prior art, the hydrogen charging and discharging reaction kettle has the advantages that the hydrogen charging and discharging reaction kettle can be independently or simultaneously used as a hydrogen charging and discharging reaction kettle, a plurality of hydrogen storage tanks placed in the hydrogen charging and discharging reaction kettle can be rapidly charged and discharged, and the mass hydrogen storage rate is high; and a complex piping structure is omitted, transportation is convenient, and more hydrogen storage tanks can be transported under the same volume.

A hydrogen fueling system (1) comprising a control system (10), a hydrogen storage unit (2), a cooling system (3), a heating system (4), and a heat transfer fluid circuit interconnecting the hydrogen storage unit (2) to the cooling system (3) and the heating system (4), the hydrogen fueling system configured for receiving hydrogen from a hydrogen source at a first pressure through a hydrogen inlet (11i) and outputting hydrogen at a second pressure higher that the first pressure through a hydrogen outlet (16), the hydrogen storage unit comprising containers lodging therein a metal hydride adapted for hydrogen storage, the cooling system connected to the heat transfer fluid circuit via at least one valve (Vc1, Vc2) and the heating system connected to the heat transfer fluid circuit via at least one valve (Vh1, Vh2). The heating system (4) comprises a thermal energy storage unit (7) including a tank containing a volume of thermal liquid connected to a heating unit (8, 9), the volume of thermal liquid comprising a sensible thermal energy capacity exceeding 80% of a thermal energy required by the hydrogen storage unit to desorb and compress to the second pressure at least 80% of the hydrogen stored in a full hydrogen storage unit (2).

The invention discloses a vehicle-mounted high-mass-density hydrogen storage device and application thereof, tubular reactors are filled with hydrogen storage materials with weak adsorption effects to form tubular hydrogen storage units, and a plurality of tubular reactors are arranged in parallel to form the high-mass-density hydrogen storage device; meanwhile, the tubular reactor serves as a tube pass, an outer shell of the hydrogen storage device serves as a shell pass, a heat exchange medium is guided into the shell pass, so that the hydrogen storage module is located in a set and uniform temperature field, heat management in the hydrogen absorption / desorption process is enhanced, and stable hydrogen storage and supply are achieved. The method effectively reduces the bed temperature difference and the heat management burden by using the high mass density hydrogen storage potential of the weak adsorption effect hydrogen storage material and the characteristic of relatively mild heat effect brought by lower enthalpy change, and reduces the heat and mass transfer resistance of the bed by combining the material forming and filling and heat conduction enhancing modes, thereby improving the heat transfer efficiency. Stable hydrogen storage and supply under low-temperature hydrogen absorption and medium-temperature hydrogen desorption windows are achieved, the structure is compact, modular capacity expansion can be achieved, maintenance is convenient, and the vehicle-mounted hydrogen storage and supply device is suitable for vehicle-mounted hydrogen supply scenes.

The invention is applicable to the technical field of hydrogen storage and release in organic liquid, and provides a hydrogen energy storage and utilization integrated system based on safe hydrogen-based energy, which comprises a hydrogenation module, a dehydrogenation module and a heat exchange module, the hydrogenation module comprises a hydrogenation reactor, the hydrogenation reactor is connected with a hydrogen circulation module, and the hydrogen circulation module is connected with a hydrogen liquid tank; the dehydrogenation module comprises a selective catalytic oxidation reactor, the hydrogen liquid tank is connected with the selective catalytic oxidation reactor through a hydrogen liquid pump, the selective catalytic oxidation reactor is connected with a separation tank, the separation tank is connected with a dehydrogenation liquid tank, and the dehydrogenation liquid tank is connected with the hydrogenation reactor through a feeding pump. According to the system, hydrogenation reaction and selective catalytic oxidation reaction are combined, the starting time of the system is greatly shortened through the characteristic of reaction heat release, fully hydrogenated organic liquid or dehydrogenated organic liquid can be selectively produced by controlling parameters such as the feeding amount of reaction raw materials, and the energy consumption, the operation cost and the waste treatment cost are effectively reduced.

This invention relates to a solid-state hydrogen storage tank and its preparation and filling / discharging methods, belonging to the field of hydrogen storage and transportation technology. It solves the technical problem that the low thermal conductivity of granular and powdered hydrogen storage alloys leads to reduced hydrogen absorption and discharging rates, while existing solid-state hydrogen storage tanks with internal heat exchange structures suffer from complex manufacturing processes and high costs. A solid-state hydrogen storage tank includes a valve, a tank body, a metal mesh array, and granular hydrogen storage alloy dispersedly filled within the metal mesh array. The tank body is a cylindrical, straight-sided bottle shape. The valve fits into the bottle opening of the tank body. The metal mesh array is densely filled inside the tank body and tightly adheres to the inner wall of the tank body. The solid-state hydrogen storage tank of this invention constructs a metal mesh array through the combination of single metal mesh tubes, forming a dense and continuous metal mesh heat transfer network with high thermal conductivity. This reduces the high / low temperature levels of the hydrogen storage alloy bed, especially in the core area, and significantly shortens the hydrogen filling time.

The solid hydrogen storage heat management system comprises a thermocline energy storage tank, a solid hydrogen storage tank, a heat pump and a switching valve unit, and the thermocline energy storage tank is provided with a hot water area and a cold water area which are used for storing heat exchange media; the hot solid hydrogen storage tank is communicated with the thermocline energy storage tank and the heat pump through an outer circulation pipeline, the heat pump comprises a first heat exchanger, a second heat exchanger, a third heat exchanger and an inner circulation pipeline unit for flowing refrigerants, and the inner circulation pipeline unit comprises two stages of inner circulation pipelines; the heat pump is selectively started during hydrogen storage or hydrogen desorption according to the temperature of a heat exchange medium heat source or cold source; the switching valve unit is arranged on the outer circulation pipeline and used for switching the flowing path of the heat exchange medium according to the working conditions. According to the solid hydrogen storage thermal management system and the thermal management control method, through the cascade heat pump, the temperature difference of the heat exchange media at the two ends of the heat pump is increased, the response speed for the external temperature is increased, the energy consumption is reduced, and the hydrogen storage or hydrogen desorption efficiency is improved.

The utility model relates to a solid hydrogen storage container, which comprises a cylinder body and end sockets fixedly welded with an opening of the cylinder body, baffle plates fixed with the end sockets are arranged in the cylinder body, and a water inlet pipe, a water outlet pipe and a charging pipe which are communicated with the inside of the cylinder body are fixedly connected on the outer side wall of one end socket. A coil pipe communicated with the water inlet pipe and the water outlet pipe is arranged on the baffle plate in a penetrating mode, and solid hydrogen storage assemblies are arranged on the inner side wall of the barrel and the inner side wall of the end socket. The hydrogen storage device has the beneficial effect that a worker can conveniently store hydrogen.

The invention discloses a nanoscale gap type hydrogen storage alloy and a preparation method and application thereof, and the preparation method comprises the following steps: smelting a target gap type hydrogen storage alloy to obtain a cast ingot; performing a hydrogen plasma metal reaction on the cast ingot, specifically, placing the cast ingot in a hydrogen plasma reactor, filling high-purity argon and high-purity hydrogen into the hydrogen plasma reactor, and performing the hydrogen plasma metal reaction on the cast ingot in a physical stripping mode of bombarding the surface of the cast ingot by an ion beam; after the reaction is finished, collecting the generated nano-scale gap type hydrogen storage alloy; the target gap type hydrogen storage alloy comprises at least one of a TiMn2 type hydrogen storage alloy and a LaNi5 type hydrogen storage alloy, and when the target gap type hydrogen storage alloy is the TiMn2 type hydrogen storage alloy, the particle size of the prepared nanoscale gap type hydrogen storage alloy is 5-500 nanometers; when the target gap type hydrogen storage alloy is a LaNi5 type hydrogen storage alloy, the particle size of the prepared nanoscale gap type hydrogen storage alloy is 5-500 nanometers.