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246 results about "Hydrogen storage system" patented technology

Semi-supervised learning data exception intelligent identification and treatment system and method

The invention relates to a semi-supervised learning data anomaly intelligent identification and treatment system, which is applied to a hydrogen energy commercial vehicle, and comprises a data acquisition and preprocessing module, which is arranged on a vehicle-mounted terminal and is used for acquiring a hydrogen storage system signal, a hydrogen supply system signal, a fuel cell system signal and a whole vehicle system signal in real time, processing the acquired signal data; the semi-supervised anomaly recognition module is arranged on a cloud platform, is connected with the data acquisition and preprocessing module, and is used for fusing the processed signal data into a rule engine and semi-supervised learning, constructing a semi-supervised training data set, and performing deep auto-encoder model training through the data set so as to realize accurate anomaly recognition of few sample scene writing; and the exception treatment and feedback module is arranged at an edge node, is connected with the semi-supervised exception recognition module, carries out exception recognition through a trained model, carries out graded treatment according to the exception severity, and establishes a model evolution mechanism to realize continuous optimization of the system.
Owner:HIPOT TECHNOLOGY (WUHAN) CO LTD

Wind-solar hydrogen storage scheduling method based on sparrow search algorithm and related equipment

The invention belongs to the technical field of wind and light hydrogen storage resource allocation, and discloses a wind and light hydrogen storage scheduling method based on a sparrow search algorithm and related equipment. The wind-solar hydrogen storage scheduling method based on the sparrow search algorithm comprises the steps of constructing a wind-solar hydrogen storage operation day-ahead profit model according to a scheduling target of a wind-solar hydrogen storage system, obtaining a profit maximization objective function through the wind-solar hydrogen storage operation day-ahead profit model, and solving the profit maximization objective function by adopting the sparrow search algorithm. Obtaining a globally optimal solution, and scheduling the wind and light hydrogen storage system according to the globally optimal solution; the method can overcome the defects that in the prior art, the optimization speed is reduced during optimization scheduling, the randomness of an optimization scheduling result is high, and local optimum is likely to happen.
Owner:SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD +1

Inerting and releasing combined safety protection device for solid hydrogen storage tank

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.
Owner:DALIAN UNIV OF TECH

Hydrogen storage material, preparation method thereof and hydrogen storage system

The invention belongs to the technical field of hydrogen storage materials, and particularly relates to a hydrogen storage material, a preparation method thereof and a hydrogen storage system. The hydrogen storage material comprises the following raw material components in percentage by mass: 90%-97.5% of hydrogen storage alloy powder, 1%-5% of a volume expansion buffering agent, 1%-5% of a heat conduction material and 0.5%-3% of an additive, the additive comprises at least one of a silane coupling agent and polyimide; the preparation method comprises the following steps: mixing the raw material components, carrying out cold press molding, carrying out heat treatment for 4-12 hours in an inert atmosphere at the temperature of 110-150 DEG C, and cooling to obtain the hydrogen storage material.
Owner:YUNNAN POWER GRID CO LTD +1

Full-process optimization method and system for synthesizing ammonia through wind-solar hydrogen production

The invention relates to the technical field of renewable energy source and process industrial intelligent control, and discloses a full-process optimization method and system for synthesizing ammonia through wind-solar hydrogen production, which can realize full-process collaboration and self-adaption to wind-solar fluctuation, and can guarantee system safety and economy in long-term operation. According to the scheme, the method comprises the steps that running state data of a wind-solar power generation system, a hydrogen production system, a hydrogen storage system and a synthetic ammonia system are collected in real time, and the collected data are preprocessed; establishing a device-level adaptive boundary model, and calculating a dynamic safe operation boundary of the key device; inputting wind-solar power prediction of a future time domain, performing rolling optimization based on the multi-objective optimization model according to constraint conditions, and generating load setting instructions of each system; and executing the load setting instruction, collecting real response data of the system, comparing a deviation between a real response and a predicted response, calculating a multi-dimensional deviation index, and when the deviation exceeds a set threshold value, performing feedback calibration on the equipment-level adaptive boundary model.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE +1

Fuel cell unmanned aerial vehicle carrying double hydrogen cylinders

The invention relates to the technical field of unmanned aerial vehicles, and discloses a fuel cell unmanned aerial vehicle carrying double hydrogen cylinders, comprising: a hydrogen storage system comprising two independent gaseous hydrogen storage cylinders, the hydrogen storage system being connected with a fuel cell system through a hydrogen delivery pipeline to supply hydrogen to the fuel cell system; the fuel cell system is used for converting hydrogen into electric energy, and the fuel cell system is connected with the energy storage system through an electric energy transmission line so as to transmit the generated electric energy to the energy storage system; the control system is used for monitoring and regulating various functions of the unmanned aerial vehicle, and the control system is connected with the fuel cell system, the energy storage system and the power flight system through data transmission lines so as to receive and send control instructions. By adopting the double-gas-state hydrogen storage cylinder system, the unmanned aerial vehicle can carry more hydrogen, so that the flight endurance time and distance are prolonged, in addition, the hydrogen cylinders which are modularly designed are convenient to replace quickly, and continuous operation in a long-time task is further ensured.
Owner:SHANDONG KAIWEN COLLEGE OF SCI & TECH +1

Underground hydrogen storage system

PendingCN121611844AContainer filling methodsPipeline systemsMulti inputUnderground hydrogen storage
The invention relates to the technical field of hydrogen energy storage, in particular to an underground hydrogen storage system, which is characterized in that a hydrogen storage sensing module and a processing module are integrated in the system, a multi-input multi-output monitoring channel is constructed by using array type electrode nodes, and the processing module constructs a dual-drive prediction model through superposition of a physical state space and a neural network to obtain reference hybrid prediction output; generating a virtual sample set by using random sampling to construct a dynamic random tolerance envelope band; and finally, leakage is judged according to the permeability of the envelope band according to the actually measured signal. According to the invention, the problem of high false alarm rate of the system due to the fact that in-pipe nonlinear background triboelectric charge noise covers tiny leakage characteristics under a fluctuating power supply charging working condition is effectively solved; millisecond-level self-adaptive accurate diagnosis of the air tightness of the pipeline in a complex dynamic environment is realized, and the detection capability of weak leakage signals is remarkably improved while electromagnetic interference is filtered out.
Owner:CHENGDU DINGSHENG TECH CO LTD

Large-duration double-source combined supply emergency security vehicle and control method thereof

The invention discloses a large-duration double-source combined supply emergency security vehicle and a control method thereof.The emergency security vehicle comprises a photovoltaic system, a lithium battery system, a hydrogen production system and a hydrogen storage system, the photovoltaic system is connected with the lithium battery system and the hydrogen production system, and the hydrogen production system is connected with the hydrogen storage system; the lithium battery system comprises a fuel cell and a power lithium battery, and the fuel cell is electrically connected with the power lithium battery; the hydrogen production system comprises a PEM electrolytic bath; the hydrogen storage system comprises a modularized hydrogen cylinder group, the power lithium battery is connected with the PEM electrolytic bath through a DC / DC converter, and the PEM electrolytic bath is connected with the modularized hydrogen cylinder group through a high-pressure hydrogen pipeline; the external hydrogen charging interface is communicated with the modularized hydrogen cylinder group, and the modularized hydrogen cylinder group is communicated with a hydrogen inlet of the fuel cell; the method has the advantages that the power and the cruising ability are improved.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST +1

Voltage-air pressure stability control method and system for electricity-hydrogen coupling system

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.
Owner:SHANDONG UNIV

Solid hydrogen storage single tank structure optimization method and device based on physical information neural network

The invention provides a solid hydrogen storage single tank structure optimization method and device based on a physical information neural network, and relates to the field of intelligent hydrogen storage. The method comprises the following steps: acquiring structural parameters and multi-source data of a hydrogen storage tank body; constructing a full-parameter space training set based on the multi-source data; based on the full-parameter space training set, constructing a multi-physics field agent model by embedding a multi-physics field control partial differential equation set; inputting the structural parameters of the hydrogen storage tank into the multi-physics field agent model, and outputting a Pareto solution set through the multi-physics field agent model based on the optimization decision; and determining a target weight corresponding to each optimization decision through an entropy weight method, and obtaining an optimized target structure parameter combination from the Pareto solution set based on the target weight in combination with a double-base-point method. The problem that a solid hydrogen storage system lacks a refined regulation and control mechanism in structural design due to the fact that the nonlinear effect and the multi-factor coupling phenomenon in the hydrogen storage process cannot be accurately described only by means of a traditional physical model is solved.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Hydrogen Energy Storage and Energy Aggregation Systems Utilizing Machine Learning for Virtual Power Plants

An energy control system employing agentic machine learning techniques to intelligently manage hydrogen production and storage, solar energy production, and interfacing with external systems such as the grid and virtual power plants (VPPs). In accordance with various embodiments of the present invention, a hydrogen storage assembly includes an electrolyzer, a hydrogen storage system, a hydrogen fuel cell, an inverter, an electrochemical energy storage module (e.g., batteries), a power conversion system, and a control system incorporating machine learning techniques, such as reinforcement learning models used to train a set of specialized agents configured to intelligently handle surplus and deficit power conditions during on-grid and off-grid states. The systems and methods may be used, for example, to optimize energy distribution based on behavioral metadata and to implement a fractal grid architecture.
Owner:OREQA TECHNOLOGIES INC

A Synchronous Control Method for Hydrogen Production by Electrolysis in ALK-PEM Based on Direct Torque and Droop Control

This invention discloses an ALK-PEM electrolysis hydrogen production synchronous control method based on direct torque and droop control, implemented using a "DTC-adaptive droop" dual-loop collaborative control architecture, including: real-time acquisition of the total power P input from wind and solar power sources. total The absolute value of the state of charge and power change rate of the hydrogen storage system, |dP / dt|, is used to generate electrolyzer power commands. The electrolyzer includes an alkaline electrolyzer (ALK) and a proton exchange membrane electrolyzer (PEM). An adaptive droop coefficient is dynamically calculated based on the absolute value of the state of charge and power change rate of the hydrogen storage system, |dP / dt|. The electrolyzer power P of the PEM and ALK is allocated accordingly. PEM and P ALK ; P PEM and P ALK The generated instructions are input to the DTC controller, which produces PWM drive signals to drive the PEM and ALK electrolyzers respectively. The corresponding control system and a hydrogen production device including the control system are also disclosed. The hydrogen production device further includes: a PEM electrolyzer unit, an ALK electrolyzer unit, and a wind and solar power interface.
Owner:JINGNENG TECH (YIXIAN) CO LTD

Integrated streamlined hydrogenation gun capable of real-time monitoring and flow regulation and control method

The application provides an integrated streamlined hydrogen filling gun capable of real-time monitoring and flow regulation and a control method, relates to the field of high-pressure hydrogen filling of a hydrogen storage system of a hydrogen fuel cell vehicle, and comprises a main valve body, a stop valve, a first filter, a redundant one-way valve, a flow regulating valve, a second filter, a temperature sensor, a pressure sensor and a flow sensor. The temperature sensor is used for monitoring the temperature T in the valve body in real time. When T < T1, the pressure sensor is started to monitor the real-time pressure. When T1 <= T < T2, cooling is started until T < T1. When the real-time pressure P < P1, the flow sensor is started to monitor the pre-filling flow. When the pre-filling flow Q is in a first flow threshold range, hydrogen is filled at a first flow. When P1 <= P < P2, hydrogen is filled at a second flow. When P2 <= P < P3, hydrogen is filled at a third flow. When P = P3, the stop valve is closed to stop hydrogen filling. The hydrogen filling gun adopts a streamlined valve body, has high integration, can adapt to filling requirements of multiple pressure grades, and is safe and efficient.
Owner:YANSHAN UNIV +1

Hydrogen regulating system based on solid hydrogen storage

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.
Owner:YIXING HEFENG ENERGY TECH CO LTD +1

Renewable energy water electrolysis hydrogen production coupled green chemical industry operation method and system

The invention relates to the technical field of renewable energy utilization and green chemical engineering coupling, and discloses an operation method and system for coupling renewable energy water electrolysis hydrogen production with green chemical engineering, and the operation method comprises the following steps: at the beginning of each operation cycle, presetting a chemical engineering system operation load, and keeping the preset chemical engineering system operation load unchanged in the same operation cycle; acquiring power prediction data of wind and light power generation in each operation cycle, and calculating a water electrolysis hydrogen production yield prediction value according to the power prediction data and the water electrolysis hydrogen production comprehensive power consumption; the pressure of the hydrogen storage tank is collected in real time, the pressure of the hydrogen storage tank is divided into a plurality of intervals, and in each interval, the hydrogen consumption rate in the operation cycle of the chemical system is determined through different correction coefficients according to the pressure of the hydrogen storage system and the predicted value of the water electrolysis hydrogen production yield. In combination with the hydrogen storage condition and wind and light electricity power prediction, the chemical stable operation load in the next time period is set, the operation stability of a chemical system is improved, and the variable load operation frequency is reduced.
Owner:HUADIAN HEAVY IND CO LTD

Gas cylinder use early warning method, vehicle-mounted hydrogen storage system, vehicle and medium, equipment

The application discloses a kind of early warning method for gas cylinder, vehicle-mounted hydrogen storage system, vehicle and medium, equipment, early warning method for gas cylinder includes the following steps: obtaining the pressure before and after each time of gas cylinder filling, for the pressure before and after each time of gas cylinder filling, calculate the corresponding filling pressure difference;Obtain the cumulative number of times of gas cylinder filling, and calculate the cumulative fatigue damage according to the cumulative number of times of gas cylinder filling and the filling pressure difference;When cumulative fatigue damage reaches alarm threshold, send alarm information to alarm prompt.
Owner:FTXT ENERGY TECH CO LTD

Micro-grid low-carbon optimization scheduling method based on demand response

The invention specifically discloses a micro-grid low-carbon optimization scheduling method based on demand response, and relates to the field of energy optimization scheduling, and the method specifically comprises the steps: carrying out the modeling based on the structural characteristics of a renewable energy micro-grid; comprising the steps of renewable energy power generation system modeling, compressed air energy storage system CAES modeling, storage battery energy storage system BESS modeling, hydrogen production and storage system modeling and demand uncertainty modeling. The method comprises the following steps: constructing operation constraint conditions for renewable energy power generation system modeling, compressed air energy storage system modeling, storage battery energy storage system modeling, hydrogen production and storage system modeling and demand uncertainty modeling, constructing an objective function of comprehensive scheduling optimization, and constructing a comprehensive scheduling optimization model on the premise of meeting the system operation constraint conditions. The total operation cost and the pollutant discharge amount of the system are minimized, demand side response is considered, and a water bear optimization algorithm is adopted for scheduling strategy optimization. According to the invention, the economical efficiency and green level of renewable energy microgrid operation can be effectively improved.
Owner:HEBEI FENGNING CONSTRUCTION INVESTMENT NEW ENERGY CO LTD +2

A one-way valve combined hydrogen storage system durability test bench and test method

The application relates to the technical field of hydrogen storage system testing, and discloses a one-way valve combined hydrogen storage system durability test bench and a testing method. A main control computer of the bench is used for configuring test task parameters, coordinating operation of each subsystem, and processing test data; a high-pressure hydrogen gas supply subsystem contains an adjustable pressure hydrogen gas source and a pressure closed-loop control module, can apply accurate controllable hydrogen gas pressure to an inlet end of a measured system according to test task parameters; a multichannel valve state acquisition subsystem acquires valve inlet and outlet pressure, valve body surface temperature and vibration spectrum data in real time through a pressure, temperature and vibration sensor array arranged at each valve, and transmits the data to the main control computer; a valve action driving subsystem contains a high-speed electromagnetic actuator array and a displacement feedback module, and can drive each valve to execute a preset opening degree sequence and opening and closing frequency; and a durability evaluation subsystem is embedded in the main control computer, calculates valve cumulative damage degree, and predicts a remaining service life.
Owner:SHANGHAI QINGRAY NEW ENERGY TECHNOLOGY CO LTD

Hydrogen filling nozzle

The invention relates to the technical field of high-pressure hydrogen storage bottles, in particular to a hydrogen filling nozzle which comprises an injection pipe communicated with a valve inner channel and used for circulation of high-pressure hydrogen and an air nozzle communicated with the injection pipe, formed at the front end of the injection pipe and bent towards an inner container of a bottle body. The connecting line of the circle centers of the end faces of the two ends of the bottle body is a central longitudinal axis, a preset included angle ranging from 5 degrees to 15 degrees is formed between the central line of the air nozzle and the central longitudinal axis, the flowing vortex and turbulence intensity is weakened by guiding high-pressure hydrogen to diffuse along the inner wall of the inner container of the bottle body, and the flowing vortex and turbulence intensity is reduced by guiding the high-pressure hydrogen to evenly diffuse along the inner wall of the bottle body. The device weakens flowing vortex and turbulence intensity, avoids local gas compression heating, further inhibits formation of local temperature hot spots on the surface of the inner container, solves the problem that turbulence and temperature hot spots are easy to form during hydrogen filling in the prior art, and improves the safety and durability of the high-pressure hydrogen storage system.
Owner:VOSS AUTO PARTS JINAN CO LTD

Hybrid power generation device

The invention relates to a hybrid power generation device. The hybrid power generation device comprises: a nuclear power generator assembly (2) configured to supply primary power (WEP) from a nuclear energy source; an electrolyser (3) operable to produce a mixture (M) containing hydrogen from an inlet water stream (FWI) of gas and / or liquid phase; a hydrogen storage system (5) coupled to the electrolyser (3) to receive hydrogen from the mixture (M); and a hydrogen generator assembly (7) operable to generate secondary electric power (WES) using hydrogen from the hydrogen storage system (5). A power divider (8) coupled to the power distribution network (15) and to the electrolyser (3), configured to controllably distribute the main power (WEP) between the power distribution network (15) and the electrolyser (3).
Owner:ANSALDO NUCLEAR ENERGY SA +1

Photovoltaic-hydrogen energy comprehensive circulation and heat energy utilization device

The invention aims to provide a photovoltaic-hydrogen energy comprehensive circulation and heat energy utilization device, which belongs to the field of clean energy heat energy utilization and comprises a photovoltaic energy storage system, a proton exchange membrane electrolytic cell hydrogen production system, a solid hydrogen storage system, a proton exchange membrane fuel cell power generation system and a heat energy recycling system. The photovoltaic energy storage system converts solar energy into electric energy to provide driving power for the proton exchange membrane electrolytic cell hydrogen production system, the proton exchange membrane electrolytic cell hydrogen production system produces hydrogen and stores the hydrogen in the solid hydrogen storage system, and the proton exchange membrane fuel cell power generation system uses the hydrogen in the solid hydrogen storage system as fuel to generate electric energy and generate water. And heat energy collected by the proton exchange membrane electrolytic cell hydrogen production system and the photovoltaic energy storage system is combined to provide high-temperature steam for the heat energy recycling system.
Owner:HARBIN ENG UNIV

System for producing and storing hydrogen from seawater and process for producing and storing hydrogen from seawater by utilizing offshore wind power

The invention provides a seawater hydrogen production and storage system and a seawater hydrogen production and storage process using offshore wind power. The seawater hydrogen production and storage system comprises a permeable membrane system, a two-stage RO membrane system, an EDI ultrapure water system and a hydrogen production and storage system, and the permeable membrane system, the two-stage RO membrane system, the EDI ultrapure water system and the hydrogen production and storage system are connected in sequence; in the seawater purification direction, the permeable membrane system comprises a forward osmosis module and permeable membrane modules, the forward osmosis module comprises a forward osmosis membrane and absorption liquid, the absorption liquid is selected from a sodium chloride solution with the mass concentration of 3-15%, and the number of the permeable membrane modules connected in series is 1-3. According to the seawater hydrogen production and storage system, the seawater is subjected to graded purification, the purified seawater can be directly discharged to the sea, the purified ultrapure water can thoroughly avoid a series of problems of chlorine, calcium and magnesium precipitation and the like in the subsequent water electrolysis hydrogen production process, and liquid hydrogen storage oil is directly prepared through the hydrogen production and storage system and is convenient to transport on the sea and other scenes.
Owner:ZHE JIANG HAO RI QING NENG YUAN KE JI YOU XIAN GONG SI

Internal combustion engine driven haulage truck reconfiguration using mixed hydrogen fuel cell and / or battery power

A retrofit mining haulage truck includes a hybrid hydrogen fuel cell / battery based power plant in place of a carbon fuel based power plant. The retrofit truck includes a frame, a hopper coupled to the frame, and a deck coupled to the frame forward of at least a portion of the hopper. The battery system is disposed in a support structure, and the support structure is integrated into the deck and forms part of the deck. A hydrogen storage system (HSS) is installed in an engine compartment volume of a retrofit truck. The nacelle is configured to house an internal combustion engine (e.g., a diesel engine) prior to remodeling. At least a portion of the fuel cell system is mounted in a wheel recess of the retrofit truck. The wheel recess is configured to receive one of a fuel tank or a hydraulic fluid reservoir prior to retrofitting.
Owner:CUMMINS INC

Modularized hydrogen storage system for hydrogen fuel cell

The utility model discloses a modularized hydrogen storage system for a hydrogen fuel cell, which comprises a hydrogen storage tank, two ends of the hydrogen storage tank are respectively communicated with an exhaust valve and a gas injection valve; the partition plates are fixedly arranged in the hydrogen storage tank at equal intervals, a plurality of connecting holes are formed in the partition plates at equal intervals in the perimeter direction of the partition plates, and flow dividing mechanisms are arranged on the partition plates and used for dividing gas exhausted by the gas injection valve; and every two sealing plates form a group. In the using process of the improved hydrogen storage tank, when part of the hydrogen storage tank is broken and hydrogen leaks, the partition operation of the corresponding position in the hydrogen storage tank can be automatically completed so as to cut off the flowing-out of the hydrogen in the hydrogen storage tank, finally, the concentration of the floating hydrogen outside the device is greatly reduced, and the danger is low when the device is used; and meanwhile, the original hydrogen injection mode of the hydrogen storage tank is hardly changed, so that a user can quickly adapt to the use of the hydrogen storage tank.
Owner:SHANGHAI ZUNMA AUTO PIPE CO LTD

A method for integrated energy management of light hydrogen storage

The application discloses a kind of light hydrogen storage integration energy management methods, it is related to light hydrogen storage energy management technical field, comprising: light hydrogen storage system according to the parameter value of light hydrogen storage energy management platform's working mode mark E_mode Switching working mode, wherein, when E_mode=1, light hydrogen storage energy management platform starts running energy management function, switches to dispatch mode;When E_mode=0, light hydrogen storage energy management platform stops running energy management function, switches to self-sustaining mode;Light hydrogen storage system is according to the working mode of switching boost voltage-boosting circuit and two-way buck / boost circuit for hydrogen production unit power supply, wherein: when working mode is dispatch mode, light hydrogen storage system balances internal power flow according to the energy scheduling instruction of light hydrogen storage energy management platform;When working mode is self-sustaining mode, light hydrogen storage system automatically balances internal power flow.The beneficial effects of the present application: realize the centralized control of energy interaction between photovoltaic, energy storage and hydrogen production unit, so as to optimize energy utilization efficiency.
Owner:CIMC OFFSHORE CO LTD

Integrated energy control method for electricity-hydrogen-ammonia integrated microgrid system, and device

Disclosed in the present application are an integrated energy control method for an electricity-hydrogen-ammonia integrated microgrid system, and a device. The microgrid system comprises a direct-current busbar, an energy router, a photovoltaic power generation system, a hydrogen fuel cell system, an electrochemical energy storage system, and a new energy load consisting of a water electrolysis hydrogen production system, an ammonia cracking hydrogen production system and a hydrogen storage system, wherein the direct-current busbar is connected to an external alternating-current busbar by means of the energy router, and the ammonia cracking hydrogen production system and the hydrogen storage system are connected to the external alternating-current busbar. The method comprises: acquiring an actual output curve of a photovoltaic power generation system in the current measurement period and a planned output power of a new energy load at the current moment, so as to determine an energy deviation; when the energy deviation is less than zero, using a first planned output power, which is determined on the basis of the actual output curve, to perform discharging control on a microgrid system; and when the energy deviation is greater than zero, using the planned output power to perform charging control on the microgrid system. The present application can improve the output stability of the photovoltaic power generation system.
Owner:FOSHAN XIANHU LAB

High-pressure gaseous fixed hydrogen storage system and method suitable for unstable power supply

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.
Owner:OFFSHORE OIL ENG CO LTD

An integrated, high-efficiency heat exchange solid-state hydrogen storage system

This utility model discloses an integrated high-efficiency heat exchange solid-state hydrogen storage system, relating to the field of solid-state hydrogen storage technology. It includes a hydrogen storage core module, a heat exchange circulation module, and a pressure control module. This integrated high-efficiency heat exchange solid-state hydrogen storage system utilizes a spiral heat exchange tube bundle tightly fitted to the outer wall of the hydrogen storage container, greatly increasing the heat exchange area and significantly improving heat exchange efficiency. This effectively solves the temperature control problem caused by thermal effects during hydrogen absorption and desorption of solid-state hydrogen storage materials. The built-in electric heating element actively provides the heat required for desorption, ensuring the stability and speed of the hydrogen release process. The pressure control module can accurately stabilize the inlet pressure, avoiding the impact of pressure fluctuations on the hydrogen storage material and improving system safety. Simultaneously, the system has high integration and a compact structure, enhancing protection capabilities. Through uniform hydrogen flow and efficient thermal management, it comprehensively improves hydrogen storage density, hydrogen charging and discharging rates, and system operational stability.
Owner:GUANGDONG JIAYI HUA HYDROGEN TECHNOLOGY CO LTD

Clean energy base power supply configuration method, device, equipment, medium and product

This invention discloses a method, apparatus, equipment, medium, and product for power configuration in clean energy bases, belonging to the field of power configuration technology. The method for power configuration in clean energy bases includes the following steps: obtaining demand data for various power configurations; constructing a power configuration model for the clean energy base based on the demand data; and generating a power configuration scheme for the clean energy base using the power configuration model. This invention constructs a power configuration model applicable to integrated wind, solar, coal gas, and hydrogen storage systems. It eliminates repetitive manual work, significantly shortens the design workflow, improves power planning and design efficiency, and eliminates reliance on manual experience, enhancing the scientific rigor and standardization of various power configuration schemes, improving the quality of power planning and design, and reducing power planning and design costs, thereby promoting the development of clean energy bases.
Owner:PETROCHINA CO LTD

A method and device for coordinated planning and economic evaluation of a wind-solar-hydrogen storage system

The application provides a wind-solar-hydrogen storage system collaborative planning and economic evaluation method and device, belonging to the technical field of new energy and hydrogen energy system planning. The method: obtains input data of wind power and photovoltaic, processes known output or resource data mode according to the data type of the application scene, generates annual time sequence output sequence, and configures the operation time interval of the chemical device; determines the optimization variable, the objective function and the constraint condition based on the annual output sequence and the operation time interval, constructs a full-industry-chain collaborative optimization mathematical model; calls a solver to solve the model, obtains a capacity configuration scheme, links the dynamic financial parameters in the built-in database, uses a preset financial evaluation rule to calculate the economic evaluation index of the whole life cycle; and visually displays the capacity configuration scheme and the economic evaluation index of the whole life cycle. The application realizes full-industry-chain collaborative optimization and intelligent diagnosis through double-mode data and dynamic attenuation simulation.
Owner:CRRC WIND POWER(SHANDONG) CO LTD +1