705results about "Fixed capacity gas holders" patented technology

Described are storage and dispensing systems and related methods, for the storage and selective dispensing germane a reagent gas from a vessel in which the reagent gas is held in sorptive relationship to a solid adsorbent medium at an interior of a storage vessel and wherein the methods and dispensing systems provide dispensing of the reagent gas from the storage vessel with a reduced level of atmospheric impurities contained in the dispensed reagent gas.

The invention relates to a hydrogen storage pellet enabling the production of compact, modular, safe and energy-efficient hydrogen reservoirs. The pellet according to the invention comprises a peripheral ring (4) having an outer diameter of expanded natural graphite (ENG) of a determined height, surrounding a wafer of a metal hydride (5) in the form of compacted powder.

The invention discloses a multi-hydrogen-storage-tank solid hydrogen storage system based on temperature control, and relates to the technical field of hydrogen energy storage, and the key points of the technical scheme are that the system comprises a plurality of hydrogen storage tanks, each hydrogen storage tank adopts different types of alloy hydrogen storage materials, each hydrogen storage tank is provided with an independent temperature control system, and the temperature is adjusted according to the types of the hydrogen storage materials; therefore, the hydrogen storage efficiency is optimized. The system can accelerate the hydrogen storage rate and improve the storage density through temperature control, the heat exchange device is arranged to improve the heat energy management efficiency, and accurate temperature control and cycle counting functions are achieved. The service life of the hydrogen storage material can be effectively prolonged, performance degradation is reduced, and the long-term stability of a hydrogen storage system is improved.

The invention relates to a preparation method of a flexible solid hydrogen storage bed body, which comprises the following steps: S1, mixing 74-90% by mass of hydrogen storage alloy powder and 3-16% by mass of carbon-based heat conduction material for 20-50 minutes in a mechanical stirring manner to obtain a dry powder mixture; s2, adding an organic silicon material with the mass fraction of 5-16%, and continuously mechanically stirring for 1-5 hours to obtain a non-dry powder mixture; and S3, carrying out vacuum drying on the non-dry powder mixture in the S2 at 60-100 DEG C for 8-20 hours, and naturally cooling to room temperature to obtain the required novel non-dry powdery hydrogen storage bed body. Through the synergistic effect of the hydrogen storage alloy, the expanded graphite and the double-liquid silica gel, the flexible solid hydrogen storage material is formed on the basis of optimizing the material ratio and the process sequence. The synergistic effect of the materials breaks through the defect that a traditional hydrogen storage bed body is too high in rigidity or in a loose powder state, and finally the hydrogen storage bed body has high hydrogen storage efficiency, stable cycle life and excellent safety performance.

The utility model discloses a magnesium-based solid hydrogen storage device which comprises a tank body, an upper cover, a hydrogen pipe and a heat-conducting oil pipe, the tank body is of an upward opening structure and comprises an outer tank and an inner tank, an oil guide inlet is formed in the top of the outer tank, an oil guide outlet is formed in the bottom of the outer tank, an oil guide channel is formed between the outer tank and the inner tank, and a magnesium-based solid hydrogen storage material is filled in the inner tank; the upper cover covers the tank body; the hydrogen pipe penetrates through the upper cover and is communicated with the inner tank, and a plurality of air holes are formed in the hydrogen pipe; the heat conduction oil pipe penetrates through the upper cover and extends into the inner tank. An oil guide channel and a heat-conducting oil pipe are arranged, heat-conducting oil is continuously added in the hydrogen absorption and desorption process, the internal temperature of the tank body is regulated and controlled, the magnesium-based hydrogen storage material is in a high-temperature environment through internal and external combination, the temperature of the inner tank is kept stable, and the hydrogen absorption and desorption reaction rate is increased; and a plurality of air holes are formed in the surface of the hydrogen pipe, so that hydrogen fully reacts with the magnesium-based hydrogen storage material in each area of the inner tank body, and the hydrogen storage performance is enhanced.

The invention belongs to the technical field of solid hydrogen storage, and provides a solid alloy hydrogen storage device with high heat transfer performance and application thereof, and is characterized in that the device comprises a hydrogen storage container, a hydrogen storage alloy and a heat exchange structure assembly; a fin structure and a layering partition plate are arranged in the hydrogen storage container, by optimizing the layering partition plate and the fin structure, displacement and agglomeration of hydrogen storage alloy in a moving or vibrating environment are effectively prevented, the mass transfer and heat transfer performance in the hydrogen storage tank is remarkably improved, hydrogen and heat can be rapidly transferred to the hydrogen storage alloy, and the hydrogen storage effect is improved. Therefore, the hydrogen absorption and desorption efficiency is improved. The method is suitable for AB2 type alloys, AB5 type alloys, BCC type alloys, superlattice hydrogen storage alloys and the like, the hydrogen absorption and desorption process can be efficiently completed at a certain temperature and pressure, and the high efficiency and stability of the hydrogen absorption and desorption process are ensured. And the catalyst can be widely applied to various scenes such as traffic, hydrogen refueling stations, industrial processes and hydrogen energy storage.

The invention discloses a hydrogen desorption control method for solid-state hydrogen storage and supply. The method comprises the steps that the current pressure and the current temperature of a solid-state hydrogen storage and supply system are obtained; determining a hydrogen desorption temperature corresponding to the current hydrogen content value and the hydrogen desorption balance pressure, and calculating to obtain an adjusting temperature according to the hydrogen desorption temperature and the current temperature; and adjusting the temperature of the solid hydrogen storage and supply system to the adjusting temperature. The invention further discloses a solid-state hydrogen storage and supply system using the method, the system comprises at least one hydrogen storage bottle, a temperature adjusting device, a temperature detection device, a pipeline, a pressure detection device, a switch component and a control device, and the control device is configured to receive the current temperature and the current pressure, determine the hydrogen desorption temperature, calculate the adjusting temperature and control the hydrogen desorption temperature according to the adjusting temperature. The switch is used for controlling the temperature adjusting device to adjust the temperature and controlling the switch component.

The invention belongs to the technical field of hydrogen storage equipment, and discloses vertical dividing wall type solid hydrogen storage equipment which comprises a high-temperature steam conveying pipe, one end of the high-temperature steam conveying pipe is connected with a plurality of steam auxiliary pipes, and the other end of each steam auxiliary pipe is connected with a solid hydrogen storage tank through a steam pipe connector. The top of each solid hydrogen storage tank is connected to a hydrogen pipe through a hydrogen charging and discharging port, a steam layer is further arranged at the top of each solid hydrogen storage tank, and a steam output pipe is connected to the bottom of each steam layer. High-temperature steam generated by a power plant is mainly used for heating the solid hydrogen storage tank; the solid hydrogen storage material is preferably magnesium-based solid hydrogen storage alloy, the interior of the solid hydrogen storage tank has an efficient heat transfer effect, the adopted spiral fins and the solid hydrogen storage tank are well fixed, and the spiral fins are beneficial to the heat transfer and mass transfer process of the solid hydrogen storage material; and the inner pipe, the sprue spreader and the dividing wall layer are matched to heat the liner internally and externally at the same time, so that the hydrogen absorption and desorption efficiency of the solid hydrogen storage tank is improved.

1.1 Storage system for the storage and transport of hydrogen, based on hollow microspheres in whose closed shells metal particles are embedded, which can be heated inductively. 2.1. Various hydrogen storage and transport systems exist, which either have limited storage capacities or require significant energy input, and are therefore generally not economically viable for a broad hydrogen economy. The new system aims to provide large storage capacities with the lowest possible energy consumption. 2.2. The storage system is characterized by the fact that metal, metal alloy, or metal composite particles are embedded in the closed shells of hollow microspheres, which can be inductively heated, thus allowing rapid hydrogen permeation into and out of the hollow spheres even at low temperatures during the loading and unloading process. 2.3. Hydrogen storage and transport system.

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 aims to provide a solid hydrogen storage hydrogen closed cycle hydrogen source generator for an underwater vehicle, which belongs to the field of dehydrogenation devices and comprises a reactor, a pressure stabilizing common rail pipe, a hydrogen storage material delivery pump, a solid hydrogen storage material storage unit, a solid hydrogen storage material spraying device, a product collecting device and a hydrogen storage unit. The hydrogen storage material conveying pump is connected with the pressure stabilizing common rail pipe, the solid hydrogen storage material storage unit and the solid hydrogen storage material spraying device, the hydrogen storage unit is connected with the pressure stabilizing common rail pipe, and the reactor is connected with the hydrogen storage unit. The solid hydrogen storage material is used for releasing hydrogen, one part of hydrogen is conveyed to the fuel cell to react for power output of the underwater vehicle, the other part of circulating hydrogen assists the hydrogen storage material in injection, and an underwater closed circulation mode suitable for the underwater vehicle is achieved. The solid hydrogen storage material conveying module and the circulating hydrogen supply module are matched, and rapid mixing of the solid hydrogen storage material and hydrogen and large-flow injection of the solid hydrogen storage material are achieved.

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 utility model relates to a high-efficiency and energy-saving magnesium-based solid hydrogen storage device which comprises a hydrogen storage tank, a magnesium-based solid hydrogen storage device and a hydrogen storage device, the phase change heat storage modules are all placed in the hydrogen storage tank and are arranged at intervals, so that a containing space is formed between every two adjacent phase change heat storage modules; the plurality of magnesium cake hydrogen storage modules are in one-to-one correspondence with the accommodating spaces and are filled in the corresponding accommodating spaces; each phase change heat storage module is filled with a phase change material, heat released when the magnesium cake hydrogen storage module absorbs hydrogen is stored through the phase change materials, and therefore heat energy is supplied when the magnesium cake hydrogen storage module releases hydrogen. By arranging the phase change heat storage module, direct heat exchange can be conducted, heat released in the magnesium cake hydrogen absorption process can be recycled in time, heat can be released when the magnesium cake hydrogen storage module releases hydrogen, and therefore energy recycling and reusing are achieved, the heat exchange efficiency is improved, energy waste is avoided, and high efficiency and energy saving are achieved.

The invention discloses a high-temperature solid hydrogen storage device capable of being quickly started at normal temperature. The high-temperature solid hydrogen storage device consists of a hydrogen storage unit, a heating system, a gas supply system, a shell and a temperature control device, the hydrogen storage unit is composed of a solid hydrogen storage material bed layer trigger area, a solid hydrogen storage material bed layer sweep area and a bed layer support; the heating system consists of a power supply channel and an electric heating element; the gas supply system consists of a gas inlet / outlet, a filter screen and a clearance space; the shell is composed of a hydrogen storage tank barrel, a hydrogen storage tank end cover, a sealing gasket and a threaded sleeve. The temperature control device exchanges heat through heat exchange fluid. The invention discloses a control method of a high-temperature solid hydrogen storage device based on normal-temperature quick start. The control method comprises the following steps: 1, preparation before hydrogen absorption; 2, starting a hydrogen absorption process; and 3, controlling the hydrogen absorption process.

According to the metal hydride hydrogen compression device for the laboratory and the using method, in the scheme, when hydrogen filling is needed, an external hydrogen cylinder is connected with a hydrogen inlet connector, and hydrogen enters a booster jar through a one-way valve, the third end of a first three-way valve and a second three-way valve; a pressure sensor at the second three-way valve is used for detecting the pressure of gas in the pressurizing tank, hydrogen is absorbed by the hydrogen storage alloy powder after entering the pressurizing tank, and hydrogen filling of the device is completed; when the pressurizing tank needs to release hydrogen, the pressurizing tank is heated through the heating sleeve, the hydrogen storage alloy powder can release hydrogen, after the temperature and pressure in the pressurizing tank reach certain numerical values, the ball valve is opened, the hydrogen is connected with an external buffer tank through the second three-way valve, the second end of the first three-way valve and the hydrogen outlet connector, and hydrogen release of the device is completed.

The invention discloses a hydrogen charging system and method for a magnesium-based solid hydrogen storage reaction kettle. A hydrogen storage tank is placed in each placement position in an inner cavity of the reaction kettle, and a heat exchange coil pipe is arranged outside each placement position; the hydrogen charging system comprises a hydrogen charging part, a temperature control part and a safety protection part; the hydrogen filling part comprises a hydrogen filling main pipeline; a hydrogen flow controller and a hydrogen heat exchanger are arranged on the hydrogen filling main pipeline; the temperature control part comprises an external heat-conducting oil circulating system, the external heat-conducting oil circulating system comprises a heat-conducting oil tank, a flow bypass pipeline is arranged between the oil inlet pipeline and the oil return pipeline, and a heat-conducting oil shunting automatic switch valve is arranged on the flow bypass pipeline; the safety protection part comprises a safety valve arranged on the reaction kettle, the safety valve is externally connected with an emptying pipeline, a pressure relief bypass pipeline is arranged between the emptying pipeline and the hydrogen filling main pipeline, and an automatic opening and closing pressure relief valve is arranged on the pressure relief bypass pipeline. The system has the advantages that the hydrogen storage tanks in the reaction kettle can be quickly and efficiently filled with hydrogen, and the safety of the system is ensured.

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.

The utility model discloses a solid hydrogen storage device suitable for quick filling, which comprises a hydrogen storage tank and an end cover, the end cover is provided with a hydrogen inlet / outlet, the hydrogen inlet / outlet is connected with a bottle valve, the bottle valve comprises a valve body, a gas outlet and a manual knob at the top of the valve body, the bottom of the hydrogen storage tank is provided with an integrated heating and radiating module, and the hydrogen storage tank is provided with a controller. A gas outlet of the bottle valve is connected with an electromagnetic valve, the electromagnetic valve is connected with a quick connector, the quick connector is connected to a hydrogen inlet of the hydrogen fuel cell through a hydrogen pipeline, the bottle valve is further provided with a temperature and pressure integrated sensor and a quick connector used for filling hydrogen, and the temperature and pressure integrated sensor and the integrated heating and heat dissipation module are electrically connected with a controller. The hydrogen storage device is simple and compact in structure, the operation process of connecting a hydrogen pipeline during hydrogen filling is simplified by adopting the quick connector, and the hydrogen storage tank is heated or cooled by the integrated heating and cooling module at the bottom of the hydrogen storage tank, so that the hydrogen release or filling efficiency of the hydrogen storage device is greatly improved.

The invention belongs to the technical field of hydrogen storage, and particularly relates to a vehicle-mounted hydrogen storage device and a hydrogen absorption and desorption method thereof. A vehicle-mounted hydrogen storage device comprises a hydrogen storage reactor arranged in a vehicle-mounted high-pressure container and filled with vanadium-based hydrogen storage alloy; the refrigerating system is used for providing a first fluid medium for the solid hydrogen storage reactor in a hydrogen absorption process so as to cool the hydrogen storage reactor to a preset hydrogen absorption temperature; the heating system is connected with a waste heat source of a vehicle-mounted engine and used for providing a second fluid medium for the hydrogen storage reactor in the hydrogen desorption process so as to heat the hydrogen storage reactor to the preset hydrogen desorption temperature; and the fluid conveying loop comprises a pipeline and a valve and is used for selectively communicating the refrigerating system or the heating system with the hydrogen storage reactor so as to convey the first fluid medium or the second fluid medium.

The invention relates to a solid hydrogen storage bottle with an internal heat exchange coupling heat pipe, which comprises a bottle body, a heat conduction part and a gas guide part, the heat conduction part is movably arranged in the bottle body, and a material storage cavity is formed in the bottle body; the air guide part keeps the material storage cavity communicated with the outside of the bottle body in the moving process; wherein the gas guide part synchronously moves along with the heat conduction part, and the heat conduction part keeps the hydrogen absorption material deviating from the gas guide part in the static process. The heat conduction part is movably arranged in the bottle body, so that when the heat conduction part moves, the hydrogen absorption material is thrown away from the gas guide part, the material cannot escape outwards, smooth flowing of hydrogen is kept, the number of the storage cavities is not limited by the structure, the multiple storage cavities can be arranged, the hydrogen absorption material is fully separated, and the hydrogen absorption effect is improved. And the whole structure keeps a good heat conduction effect on the hydrogen absorption material, and meanwhile, sufficient flow of hydrogen between the inside and the outside is ensured, so that the hydrogen absorption and hydrogen desorption efficiency is effectively ensured.

The invention belongs to the technical field of hydrogen storage, and discloses an integrated framework for charging and discharging hydrogen in solid hydrogen storage. Comprising a solid hydrogen storage main frame for placing a solid hydrogen storage bottle, a fin radiator divided into a fan cover and a fin area, and a fan serving as an air inlet. Through excellent structural design, the solid metal hydrogen storage bottle is uniformly and stably cooled and heated in an air cooling and air heating mode, so that the temperature requirement of the solid metal hydrogen storage bottle for hydrogen charging and discharging is met. And meanwhile, the hydrogen storage bottle can be quickly pulled and replaced, and the maintenance and operation convenience is improved.

The invention discloses a hydrogen storage system with a monitoring function, and relates to the technical field of hydrogen storage, the hydrogen storage system comprises a hydrogen storage tank, a mounting rack, a temperature control mechanism, a control mechanism, a protection mechanism and a detection mechanism, the protection mechanism, the hydrogen storage tank and the temperature control mechanism are fixedly connected with the mounting rack, the hydrogen storage tank is vertically placed, the temperature control mechanism is fixedly connected with the hydrogen storage tank, and the detection mechanism is fixedly connected with the hydrogen storage tank. The control mechanism is in fastening connection with the hydrogen storage tank, the detection mechanism is in fastening connection with the hydrogen storage tank, the hydrogen storage tank is used for containing and storing hydrogen, the hydrogen storage tank is vertically placed, space can be better utilized, layering and flow control of internal hydrogen are facilitated, and the temperature control mechanism can accurately adjust the internal temperature of the hydrogen storage tank after being in fastening connection with the hydrogen storage tank. The control mechanism is used for controlling inlet and outlet of hydrogen and flow adjustment so as to prevent vibration or leakage, after the protection mechanism is fixedly connected with the mounting frame, safety measures can be taken under abnormal conditions, and the detection mechanism monitors the state of the system in real time.

The invention belongs to the technical field of electricity-hydrogen coupling system control, and provides a voltage-air pressure stability control method and system for an electricity-hydrogen coupling system. The voltage-air pressure stability control method for the electricity-hydrogen coupling system comprises the steps that a battery energy storage system serves as an execution unit, and a voltage regulation model is constructed based on the dynamic relation between voltage and current; a solid hydrogen storage system is used as an object, and an air pressure adjusting model is constructed based on the relation between flow and pressure; constructing a hydrogen production / hydrogen consumption model based on hydrogen production / hydrogen consumption behaviors of the electrolytic cell and the fuel cell; on the basis of real-time sharing of state variables of an electricity-hydrogen coupling system, charging and discharging of a battery energy storage system in a millisecond period are adjusted according to a voltage adjusting model, so that rapid and stable control over the voltage of a direct-current bus is achieved. And regulating and controlling the hydrogen charging and discharging flow of the solid hydrogen storage system in a second-level time scale according to the air pressure regulation model to ensure the stable pressure of the buffer tank and continuous hydrogen supply, regulating the electrolysis and fuel cell power according to the hydrogen production / consumption model to ensure the balance of energy supply and demand, and finally realizing the voltage-air pressure stability coordinated regulation and control between the electric domain and the hydrogen domain.

The present invention relates to the technical field of hydrogen storage and supply, and discloses a solid hydrogen storage and supply device for a hydrogen refueling station, including a solid hydrogen storage tank. A support base is fixedly connected to the lower surface of the solid hydrogen storage tank. A hydrogen storage pipe is fixedly connected to the left side surface of the solid hydrogen storage tank. A hydrogen supply pipe is fixedly connected to the left side surface of the solid hydrogen storage tank. A support frame is fixedly connected to the left side surface of the solid hydrogen storage tank. In the present invention, hydrogen is rapidly adsorbed by the solid porous adsorption material on the inner wall of the solid hydrogen storage tank and the circumferential surface of the adsorption cylinder. Through the arrangement of multiple adsorption cylinders, the area of the solid porous adsorption material is increased, so that more hydrogen can be adsorbed, and the hydrogen storage capacity is improved. When hydrogen enters the interior of the solid hydrogen storage tank, the adsorption cylinder rotates, which improves the contact efficiency between the solid porous material wrapped around the circumferential surface of the adsorption cylinder and hydrogen, and further improves the adsorption efficiency of hydrogen and the conveying efficiency during hydrogen storage.

The invention relates to the field of hydrogen refueling stations, in particular to a hydrogen absorption and desorption control method and system for a solid hydrogen storage system. The method comprises the steps that the current temperature and the current pressure of the solid hydrogen storage system are collected in real time; inputting the current temperature, the current pressure and the temperature and the pressure corresponding to the optimal hydrogen absorption / hydrogen desorption efficiency into a PID (Proportion Integration Differentiation) controller to output a control signal so as to control the current hydrogen absorption / hydrogen desorption process; the temperature and the pressure corresponding to the optimal hydrogen absorption / desorption efficiency are obtained by performing multi-target optimization on the target fitting curve. According to the scheme, the coupling reaction of temperature and pressure can be comprehensively considered, and the accuracy of hydrogen absorption / hydrogen desorption control is improved.

The invention relates to the technical field of solid hydrogen storage, and discloses a solid hydrogen storage system and application thereof. The solid-state hydrogen storage system comprises a solid-state hydrogen storage module, a pressure reduction module, an atomization module and a heat exchange medium circulation module, and the solid-state hydrogen storage module is detachably communicated with other modules. Therefore, the solid-state hydrogen storage system is disassembled into the solid-state hydrogen storage module, the pressure reduction module, the atomization module and the heat exchange medium circulation module, so that the solid-state hydrogen storage system is modularized, distributed modular arrangement of the solid-state hydrogen storage system is facilitated, and the solid-state hydrogen storage system is very suitable for promoting urban hydrogen energy.

The invention provides an extended-range solid hydrogen storage hydrogen fuel cell hydrogen thermal coupling power system, which comprises a proton exchange membrane hydrogen fuel cell power generation module used for converting hydrogen and oxygen into electric energy through electrochemical reaction; the alloy solid hydrogen storage and supply module is used for storing hydrogen in a low-pressure safe and high-density manner, releasing heat during hydrogen charging and exchanging heat with external cooling fluid; heat is absorbed during hydrogen desorption and exchanges heat with waste heat of the hydrogen fuel cell, so that hydrogen-heat coupling in the hydrogen supply process is realized; and the hydrogen thermal coupling thermal management module is used for transferring waste heat of the fuel cell to the solid hydrogen storage device so as to support the hydrogen desorption and heat absorption process of the solid hydrogen storage device. The technical problem of alloy solid hydrogen storage in hydrogen supply stability is solved, gas hydrogen can be stably and rapidly supplied to a fuel cell under the working conditions of vehicle starting, climbing or rapid power increasing and the like, power output stability of a system is maintained, and the strict requirement of the traffic power field for power performance is met.

The invention discloses a solid hydrogen storage and hydrogenation system and a control method. The technical problems that an existing solid hydrogen storage and hydrogenation device is complex in structure and low in hydrogen storage and hydrogen desorption efficiency are mainly solved. The solid hydrogen storage and hydrogenation system comprises a solid hydrogen storage unit which is arranged in a hydrogen storage skid and is correspondingly communicated with a hydrogen source through a parallel branch unit, a hydrogenation gun group which is correspondingly communicated with the solid hydrogen storage unit through the parallel branch unit, and a purging and diffusing unit which is connected to an argon source, comprising a vacuumizing unit of a vacuum pump, an expansion interface used for being connected with an external solid hydrogen storage unit, and a cold and hot water circulation unit arranged in the cold and hot water skid and used for correspondingly exchanging heat with the solid hydrogen storage unit. Therefore, by means of the system, ordered and efficient hydrogen charging and discharging operation of the solid hydrogen storage unit can be achieved, meanwhile, hydrogen charging and discharging testing of the external solid hydrogen storage unit can be achieved, and the system has the advantages of being high in utilization rate and working efficiency, good in safety, convenient and fast to operate and the like.

The utility model provides solid hydrogen storage equipment, which relates to the technical field of hydrogen storage and comprises a support frame, an inner cylinder, an outer cylinder, a second temperature sensor, a lead and a sealing assembly, the inner cylinder and the outer cylinder are installed on the supporting frame, the inner cylinder is sleeved with the outer cylinder, a liquid inlet and a liquid outlet are formed in the outer cylinder, and a liquid storage cavity is formed between the inner cylinder and the outer cylinder; the second temperature sensor is installed on the inner cylinder and located in the liquid storage cavity. The second temperature sensor is connected with a wire which penetrates through the outer cylinder and is used for being connected with a controller. A sealing assembly is arranged between the wire and the outer cylinder. The second temperature sensor detects the temperature of liquid in the liquid storage cavity, and the controller can control the time when the heated liquid enters and exits the liquid storage cavity, so that the inner cylinder is prevented from being excessively heated, proper hydrogen is released, and hydrogen waste is reduced. In order to avoid leakage of the outer cylinder, the sealing assembly is arranged between the wire and the outer cylinder, heat loss of heating liquid can be reduced, and the heat utilization rate is increased.