459 results about "Energy storage efficiency" patented technology

The invention relates to an intelligent charging method and system based on light and wind complementation and intelligent energy storage. According to the method, dynamic optimized charging is realized through multi-source data collaborative decision, and the method comprises the following steps: firstly, collecting real-time data such as light-wind power generation, energy storage SOC, charging load and commercial power supply, analyzing a wind-solar power generation complementary relationship and calculating a real-time complementary coefficient; a dynamic weight distribution scheme of light wind and commercial power is generated in combination with the commercial power state, and an energy storage charging and discharging instruction is generated by fusing peak and valley electricity prices and energy storage efficiency optimization; and based on the adjusted energy storage output power, comprehensively considering the charging demand and the vehicle battery state, and dynamically distributing the power of the charging pile through the charging priority. By adopting the method, energy complementation, economic scheduling and charging demand management can be combined, the utilization rate of renewable energy sources is effectively improved, and the charging cost is reduced.

The invention discloses a circulating type gravity energy storage transportation system which comprises a master controller, an annular rail, a high-position storage yard and a low-position storage yard, a transportation train is composed of a plurality of carriages which are flexibly connected and arranged on the annular rail, a low-position running rail is arranged on the annular rail, the high-position running rail is provided with a linear loading and unloading section, and the low-position running rail is provided with a linear loading and unloading section. A plurality of grabbing parts are arranged on the high-position storage yard and the low-position storage yard and move back and forth between the loading and unloading section and the stacking area, and the hoisting device is electrically connected with the master controller. By means of the double-circulation design of train circulation operation and heavy block rapid loading and unloading, the core pain points that an existing gravity energy storage system is not coherent in operation and low in efficiency are effectively solved, and the energy storage efficiency is improved. And a reliable system solution is provided for realizing large-scale, high-efficiency and fast-response gravity energy storage commercialized application.

The invention relates to the technical field of information, in particular to a control method and system for an intelligent photovoltaic charging pile in the technical field of automobile charging piles, and the method comprises the steps: obtaining the charging demands and residual electric quantity information of a plurality of electric automobiles, dynamically adjusting the charging power of each automobile through combining with an electric power distribution algorithm, and guaranteeing the reasonable distribution of electric power resources; acquiring real-time load data through a power grid load monitoring system, predicting a future power grid load change trend in combination with a historical load curve, and judging whether a charging strategy needs to be adjusted or not; according to historical data and real-time data, cooperative working parameters of photovoltaic power generation and storage battery power storage are optimized by adopting a machine learning algorithm, and the overall efficiency of the system is improved; a cooperative working mode of photovoltaic power generation, storage battery power storage and power grid power supply is dynamically adjusted through an intelligent optimization algorithm; if the illumination fluctuation is large, a standby power supply is started to supplement power supply, it is ensured that the charging process is not affected, meanwhile, the energy storage efficiency is optimized, and power resource waste is reduced.

The invention relates to a reliability evaluation method and system for a flexible AC / DC power distribution network containing an optical storage system in the field of flexible AC / DC power distribution networks. The method comprises the following steps: collecting photovoltaic data, energy storage data, AC / DC bus data and the like in real time; constructing a multi-time scale dynamic topology model, and establishing a failure probability distribution function; load flow calculation based on an improved forward-backward substitution method; adopting an N-1 + N-1-1 composite fault screening strategy to simulate a typical disturbance scene; establishing a vulnerability evaluation matrix to calculate power failure probability and other indexes; designing an optimal scheduling strategy based on model predictive control; multi-time-scale reliability evaluation is carried out; and outputting an evaluation report and a topology reconstruction suggestion. The system comprises a data acquisition unit, a dynamic modeling unit and the like, and an evaluation and analysis unit is internally provided with an algorithm module and is configured with an FPGA acceleration card. The method breaks through the limitation of traditional steady state evaluation in the technology level, improves the load flow calculation speed in the calculation efficiency level, reduces the operation cost in the application value level, improves the energy storage efficiency, and provides support for reliability evaluation of a novel power system.

The invention discloses an optical storage layered collaborative optimization control method coupling photovoltaic priority absorption and time-of-use electricity price, and relates to the technical field of new energy power system optimization control. The method comprises the following steps: taking a photovoltaic generating capacity prediction value, a load electricity consumption prediction value and peak and valley electricity price information as input data; carrying out rolling optimization by utilizing a model prediction control framework, and generating a light storage plan table; and calculating a photovoltaic output regulation value and energy storage charging and discharging power based on the generated light storage plan table in combination with the photovoltaic power generation power and the load power consumption power which are acquired in real time, executing corresponding energy storage charging and discharging and photovoltaic output processing by applying a decision tree control mechanism, and optimizing light storage control according to a processing result. According to the method, the photovoltaic preferential consumption strategy is executed, the light abandoning amount is reduced, the photovoltaic consumption rate is improved, the time-of-use electricity price dynamic response mechanism and the energy storage efficiency compensation and light abandoning punishment mechanism are combined, peak-valley arbitrage is maximized, meanwhile, the comprehensive electricity utilization cost is reduced, and the power purchase demand of a power grid is reduced.

The invention belongs to the technical field of energy storage, and particularly relates to a vertical circulation type single-well gravity energy storage system based on a linear motor, the vertical circulation type single-well gravity energy storage system comprises a weight storage system, an energy storage unit, a transportation system and a power system, and the weight storage system comprises an upper-layer energy storage chamber and a lower-layer energy storage chamber which are arranged up and down; the energy storage unit comprises a plurality of energy boxes and a plurality of weights arranged in the upper-layer energy storage chamber and the lower-layer energy storage chamber; the transportation system comprises a transportation track penetrating through the upper-layer energy storage chamber and the lower-layer energy storage chamber, and the transportation track is used for transporting the energy box; the power system comprises a secondary linear motor arranged on the conveying rail and a primary linear motor arranged on the energy box and is used for providing power for the energy box. The energy storage capacity expansion mode is simple, the expansion cost is low, the energy storage efficiency is high, the continuity of output or input power can be realized, and the fault tolerance performance is high.

The invention relates to the technical field of energy storage modules, in particular to a direct-current power supply energy storage system suitable for various household appliances. According to the method, the current change value and the power fluctuation range of the energy storage unit are analyzed, statistics of the power change amplitude and the time interval is combined, the work cycle rule of the energy storage unit is defined, the power difference between the partitions is extracted through the Markov chain model, and real-time balance of the partition power supply state is achieved by gradually optimizing path distribution. And resource waste caused by power fluctuation is effectively reduced. Through gradual correction of a real-time output power value and a target power value, dynamic power matching of an energy storage unit is realized, the flexibility and accuracy of energy distribution are improved, voltage fluctuation trend is monitored and adjusted through a variational mode decomposition technology, voltage stability control of an energy storage module is realized, the reliability of an energy storage system is optimized, and the energy storage efficiency is improved. And the overall stability and the energy utilization efficiency are improved by matching the output power and the frequency adjustment range.

The invention relates to the technical field of dielectric materials, and discloses polyimide, a polyimide film and a preparation method and application thereof, the polyimide is obtained by a polymerization reaction of a dianhydride monomer and a diamine monomer, the diamine monomer comprises a methylene bridging group and a phenyl group with a substituent group, and the methylene bridging group is a phenyl group with a substituent group. The substituent group at least comprises one methyl group. The molecular twisted conformation lock structure provided by the invention not only can improve the tolerance of polyimide, but also can doubly inhibit intrachain and inter-chain charge migration of the dielectric film, so that the dielectric film still has extremely high energy storage density and energy storage efficiency at a service temperature close to a glass-transition temperature.

The invention discloses an air conditioner energy storage system based on intelligent control and a peak-valley electricity price utilization method, and relates to the technical field of air conditioner control. Comprising an energy storage module, an air conditioner module and an intelligent control module. And the intelligent control module is set to dynamically solve an optimal control sequence through a model prediction control algorithm based on predicted environmental parameters, electricity price information and user requirements in a future time period by taking the lowest operation cost as a target, and to control the start, stop and power of the valve, the refrigeration host and the associated water pump, so that the optimal control sequence is obtained. Therefore, the system preferentially charges the energy storage module in the electricity price valley section and preferentially utilizes the energy storage module to supply energy in the electricity price peak section, the load can be accurately predicted, the energy storage state can be sensed in real time, the air conditioner host and the energy storage device can be dynamically and intelligently coordinated in the whole operation period based on a multi-target optimization algorithm, and the energy storage efficiency is improved. Therefore, the peak-valley price difference is utilized to the maximum extent on the premise of ensuring the comfort of the user.

The invention relates to a pumped storage and compressed air energy storage coupled scheduling method, which comprises the following steps of: establishing a multi-stage data system based on input data of multiple time scales; constructing a multi-time scale scheduling model; when the load of the pumped storage mixed compressed air energy storage power station is lower than a first preset threshold value, electricity is abandoned preferentially, water pumping and compression are conducted, and when the load is larger than a second preset threshold value, the pumped storage mixed compressed air energy storage power station is controlled to conduct combined energy release. The nonlinear relation between the pumped storage efficiency and the water level and the nonlinear relation between the compressed air energy storage power and the pressure are converted into linear constraints, solving is conducted by dividing the water level interval and the pressure level, and a scheduling strategy is obtained. Therefore, the problems of relatively low energy storage efficiency, insufficient scheduling refinement, relatively high system standby cost and the like caused by the problems that pumped storage water scheduling and CAES energy management are separated, a standby capacity coordination mechanism is lacked and the like in a hybrid system scheduling method in related technologies are solved.

The invention discloses an energy storage monitoring method and system, electronic equipment and a storage medium, and relates to the technical field of energy storage. The method comprises the following steps: acquiring voltage data and temperature data of a plurality of different types of battery units; generating a voltage response curve of the corresponding battery unit based on each voltage data, and generating a temperature response curve of the corresponding battery unit based on each temperature data; dividing each battery unit into a plurality of battery packs with different charging and discharging characteristics according to each voltage response curve and each temperature response curve, and calculating the residual electric quantity value of each battery unit in each battery pack; in each battery pack, determining an electric quantity difference value between the battery units in combination with the residual electric quantity value of each battery unit, and taking each battery unit of which the electric quantity difference value is greater than an electric quantity threshold value as a target battery pair; and performing concurrent equalization adjustment on the power parameters of each target battery pair until the electric quantity difference value of each target battery pair is smaller than the electric quantity threshold value. By implementing the technical scheme provided by the invention, the overall energy storage efficiency can be improved.

According to the high-low-temperature double-tank photovoltaic abandoned electricity coupling binary fused salt heat storage and exchange system and the operation method thereof, binary fused salt heat storage is adopted, light condensation heat storage and power generation load dynamic decoupling are achieved through independent heat storage of a cold salt tank and a hot salt tank and two-stage fused salt path control, and the power generation stability is improved. According to the system, photovoltaic abandoned electricity is utilized to drive a 25MW fused salt electric heater, fused salt is heated from 290 DEG C + / -10 DEG C to 550 DEG C + / -10 DEG C, the energy storage efficiency is larger than or equal to 93%, and the abandoned electricity is effectively absorbed. An intelligent salt dredging system is arranged, gravity self-flowing and compressed air assistance are combined, the emptying rate within 30 minutes + / -2 minutes reaches 99.5% + / -0.3%, and the risk of molten salt residue is reduced. The annular distribution pipe and the variable frequency pump are cooperatively controlled, so that the temperature stratification of the hot salt tank is less than or equal to 3 DEG C + / -0.5 DEG C, and the heat efficiency is improved by 8-12%. And the anti-condensation energy consumption of the storage tank is controlled to be smaller than or equal to 15 MWh / day through circulating anti-condensation of the MI heat tracing cable and the temperature adjusting pump, and the advantages of efficient heat storage, flexible peak regulation, high reliability and the like are achieved.

The invention discloses a Carnot cell system based on reversible cascade organic Rankine cycle and two-stage heat release. Comprising a bottom organic Rankine heat pump circulation loop, a top organic Rankine heat pump circulation loop, a top organic Rankine power generation circulation loop, a bottom organic Rankine power generation circulation loop, a heat storage water heat charging loop, a heat storage water first-stage heat release loop and a heat storage water second-stage heat release loop. The cascade organic Rankine cycle adopts a dry organic working medium, so that the problems of high vacuum compression, high compression ratio and high superheat degree of a compressor and wet expansion, liquid impact, corrosion and the like of a last-stage blade of a steam turbine can be effectively avoided; and through the efficient integrated structural design of a large-temperature-drop two-stage heat release system of the cascade organic Rankine cycle and the heat storage water, high-degree integration of the organic working medium Rankine heat pump cycle and the organic working medium Rankine power generation cycle loop is achieved, and meanwhile the energy storage efficiency and the round-trip efficiency of the system are improved.

The invention discloses an aquifer energy storage dynamic pressure regulation and control system and method based on multi-parameter feedback, and relates to the field of pressure regulation and control. Data normalization is ensured through a standardized parameter type set, and high-quality input is provided for a subsequent model; a pressure mapping model trained based on historical data can accurately predict pressure response under an injection-production strategy, and deviation caused by experience dependence is avoided; through partition clustering and mean value calculation, the aquifer with high heterogeneity is converted into a regulation and control unit with uniform characteristics, and the pertinence of an injection-production strategy is remarkably improved; through dynamic adjustment of a pressure interval, the energy storage efficiency reduction caused by an overpressure risk or underpressure is effectively prevented; an introduced physical intervention mechanism breaks through the limitation of pure data optimization, and the hydrogeological condition is directly improved when model adjustment is invalid; the three purposes of stabilizing the pressure of the aquifer, improving the energy storage efficiency and preventing and controlling geological risks are achieved, and scientific support is provided for long-term sustainable energy storage operation.

The invention relates to the technical field of clean energy utilization, and discloses a clean energy comprehensive utilization energy storage method and system, and the method comprises the steps: building a three-level hybrid energy storage model; optimizing model parameters by adopting an improved ant colony optimization algorithm; setting an operation constraint condition; and an energy flow path in the energy storage system is optimized. In the prior art, a single energy storage mode cannot adapt to wind and light fluctuations of different time scales, and especially under the conditions that wind and light output fluctuates violently and power grid load changes are complex, a traditional method is difficult to realize high-efficiency and low-loss energy storage coordination control. Through a multi-level hybrid energy storage architecture and an intelligent optimization scheduling mode, collaborative optimization and efficient energy scheduling of different energy storage units are realized, so that the problem that the energy storage life is shortened due to slow response time and deep charging and discharging of a traditional energy storage system is avoided; and the stable output and energy storage efficiency of the wind-solar complementary energy in the power grid are effectively improved.

The invention discloses a cross-seasonal long-time energy storage system and method with sand as a heat storage medium, and belongs to the technical field of long-time energy storage.The sand is used as the energy storage medium, a photovoltaic system is coupled for energy storage, heat conduction oil heat exchange and steam Rankine cycle are used for energy adjustment and power generation, the activity of heat conduction oil can be kept, and the energy storage efficiency is improved. And meanwhile, the solar energy utilization efficiency is improved. The system cost is reduced, the influence on the environment is reduced, and cross-season long-time energy storage and heat supply of energy storage in summer and heat supply in winter can be achieved.

The invention belongs to the technical field of functional ceramic materials, and provides a lead-free high-entropy relaxor ferroelectric material and a preparation method thereof.The raw materials of the lead-free high-entropy relaxor ferroelectric material comprise ceramic powder and oxide; the chemical general formula of the ceramic powder is (1-x) (Bi < 0.2 > Na < 0.2 > Ba < 0.2 > Sr < 0.2 > Ca < 0.2 >) TiO < 3-x > La (Mg < 1 / 2 > Zr < 1 / 2 >) O3. The ceramic powder is prepared through a high-entropy strategy, a slender ferroelectric hysteresis loop is obtained at the room temperature, the breakdown field strength of the material is obviously improved, meanwhile, high energy storage density and energy storage efficiency are obtained, the energy storage density reaches 13.5 J cm <-3 >, the energy storage efficiency is 94.6%, and the breakdown electric field reaches up to 750 kV cm <-1 >. According to the material design based on the high-entropy strategy, the relaxation characteristic of the material is remarkably improved, the dielectric loss of the ceramic is effectively reduced, and the practical application potential is shown.

The embodiment of the invention relates to a compressed air energy storage chamber construction method which comprises the steps that a basic chamber is obtained, an air cushion is placed at an inlet of the chamber, the air cushion is of a double-layer structure, an air injection space is formed between the inner layer and the outer layer of the air cushion, and an air storage space is formed in the inner layer of the air cushion; injecting air into the air injection space to enable the air cushion to reach a preset size; and concrete is injected into an annular space between the foundation chamber and the air cushion. Through the arrangement, the compressed air in the air storage space is subjected to heat insulation and heat preservation by the air in the air injection space, the influence of the temperature change of the compressed air on surrounding rock in the compression stage and the release stage of the compressed air is reduced, the damage to the surrounding rock is reduced, and the energy storage efficiency of the compressed air energy storage chamber is guaranteed. The concrete serves as a supporting structure of the compressed air energy storage chamber, stability is improved, steel linings do not need to be erected, the construction process is simple, construction efficiency is improved, manufacturing cost is low, and construction cost is reduced.

The invention provides a heat and cold storage water body system based on a multi-head water distributor and a working method of the heat and cold storage water body system, and belongs to the technical field of water body heat storage. High-temperature water is stably injected into the upper layer of a water body through the suspended water distributor at the top, and low-temperature water is injected through the exposed water distributor at the middle lower part, so that mixing of cold water and hot water is reduced to the greatest extent, and stable temperature stratification is quickly formed and maintained. Therefore, the invalid mixing loss of cold and heat is obviously reduced, and the effective heat storage / cold storage capacity and the heat exchange efficiency of the water storage device are greatly improved. The floating type heat preservation top cover directly covers the water surface, upward evaporation heat dissipation and convection heat dissipation on the water surface are effectively blocked, heat loss of the water body is greatly reduced, the heat preservation performance of the system is excellent, and the energy storage efficiency is high.

The invention relates to the technical field of gravity energy storage, in particular to a coal mine gravity energy storage efficient mechanical structure which comprises the ground and a mine, and a generator set is installed at the top end, close to the mine, of the ground. Through the transmission effect of the generator set, the speed-changing gear box, the take-up and pay-off reel and the connecting rope, a hoisted heavy object can be driven to move in a mine, the downward moving position of the hoisted heavy object can be detected and fed back through the pressure sensor installed at the top end of the telescopic rod, and when the pressure sensor is extruded by the pressing plate, the hoisted heavy object is conveniently prevented from further moving downwards in time; one end of each guide roller is in rolling connection with the inner wall of the corresponding roller groove, the smoothness of the lifted heavy object during moving is improved conveniently, limiting blocks are slidably mounted in limiting grooves, limiting can be conducted when the lifted heavy object moves, and therefore the lifted heavy object is not prone to shaking and colliding with the inner wall of a mine during moving, and the safety of the mine is improved. And the stability when the lifted weight moves is improved, so that the gravity energy storage efficiency is prevented from being influenced.

The invention discloses an LED energy storage street lamp management method and system combined with Internet of Things perception, relates to the technical field of Internet of Things and intelligent illumination, and solves the problem that it is difficult to use the Internet of Things to monitor, collect and process various data in real time so as to predict maximum brightness demand values of street lamps in different time periods. The influence of shelters on the illumination intensity of the street lamp is difficult to analyze; the battery state and the energy storage efficiency of the LED energy storage street lamp are difficult to evaluate; a charging and discharging control strategy is difficult to generate; the energy consumption under the charge and discharge control instruction is difficult to optimize by using digital twinning, and the optimized charge and discharge control instruction is difficult to execute. Various sensing data are collected and processed through the Internet of Things, the brightness requirement of the street lamp is predicted by using a multiple linear regression model, a dynamic shielding coefficient is analyzed, and the battery state and energy storage efficiency of the LED energy storage street lamp are evaluated, so that an intelligent charging and discharging control strategy and a digital twin model simulation energy consumption optimization strategy are generated; and the energy consumption of the LED energy storage street lamp is reduced.

The invention relates to the technical field of underground energy storage, in particular to a constant-pressure compressed air energy storage and gas storage system and a gas storage method, a gas storage space type adopts a tunnel type, an underwater gas storage and an artificial chamber gas storage are combined, a series of flexible air bags are arranged in a gas storage tunnel along the axis and used for storing high-pressure gas, and the flexible air bags are used for storing the high-pressure gas. The bottom of the gas storage tunnel is connected with the high-level reservoir through a pressure water conveying pipeline, water flow of the high-level reservoir is introduced into the gas storage tunnel, and the constant-pressure gas storage effect is achieved by means of balance of hydrostatic pressure and internal pressure of the air bags. The space utilization rate and the compressed air energy storage efficiency of the manual chamber gas storage are effectively improved, the sealing effect is improved, the sealing difficulty of manual chamber gas storage and the construction cost of the gas storage are reduced, and meanwhile the problems that a conventional underwater gas storage is ballasted and site selection is not flexible enough are solved. The technical problems that an existing gas storage is low in space utilization rate and energy storage efficiency, poor in sealing effect and high in construction cost can be solved.

The invention relates to an intelligent charging station resource scheduling method and system based on data processing, and relates to the field of the vehicle charging technology, and the method comprises the steps: obtaining the remaining energy storage electric quantity; determining required supplementary electric quantity according to the full-load energy storage electric quantity and the residual energy storage electric quantity; determining energy storage demand duration according to the energy storage efficiency and the demand supplementary electric quantity; constructing a permissible energy storage time period and delimiting a unit interval; constructing a historical interval, determining a similar interval in the historical interval according to each unit interval, and determining a historical energy storage electricity price in the similar interval; combining each unit interval according to the energy storage demand duration to construct a simulated energy storage scheme, and determining the overall electricity price of the scheme according to each historical energy storage electricity price in each simulated energy storage scheme; and defining the simulation energy storage scheme corresponding to the scheme overall electricity price with the minimum numerical value as an effective energy storage scheme, and controlling the charging station to perform energy storage scheduling in a unit interval in the effective energy storage scheme. The charging station has the effect of reducing the power utilization cost of the charging station.

The invention relates to the technical field of energy storage, and discloses an underwater compressed air energy storage device and an energy storage system, and the underwater compressed air energy storage device comprises a rigid housing which is provided with a cavity and a water passing port; the ventilation nozzle at one end of the flexible air bag is arranged at the other end of the rigid shell; the plug slides in the cavity and is located between the water passing opening and the flexible air bag. A water passing hole is formed in the plug; gas is introduced into the flexible air bag through the ventilation nozzle, the flexible air bag expands to the inner wall of the rigid shell, the plug is pushed to slide to the water passing opening, and water is discharged through the water passing hole and the water passing opening; the flexible air bag is deflated through the ventilation nozzle, the plug slides under water pressure to push the flexible air bag to be compressed, and water flows to the position between the flexible air bag and the rigid shell through the water passing opening and the water passing hole so as to continue to compress the flexible air bag. The flexible air bag is limited through the rigid shell, and air storage exceeding water depth static pressure is achieved; and air is completely deflated through water pressure, no bottom air exists, and the energy storage efficiency and density are both improved.

The invention discloses a control method for a photovoltaic energy storage system, and the method comprises the steps: selecting an operation mode, the operation mode comprises a first mode, and in the first mode, step 1, judging whether the power generation amount of a photovoltaic system is sufficient or not; 2, if the phase change material is sufficient, the photovoltaic system supplies power to the inverter compressor, the operation frequency of the inverter compressor is controlled, the inverter compressor is shut down until the phase change material in the photovoltaic energy storage system reaches the set temperature, and in the process, the battery is charged with surplus electricity; 3, if not, the operation frequency of the inverter compressor is controlled according to the photovoltaic generating capacity at the current moment and the preset temperature condition, and the inverter compressor is shut down until the phase-change material reaches the set temperature; 4, judging whether the photovoltaic generating capacity at the current moment meets the requirement that the inverter compressor operates at the lowest frequency of the standard working condition or not; and 5, if not, power is supplied to the inverter compressor through the battery and the photovoltaic system at the same time, and the inverter compressor is made to operate at the lowest frequency of the standard working condition and shut down until the phase change material reaches the set temperature or the voltage of the battery is lower than the set voltage value. The technical effect that the endurance of the energy storage system can be greatly prolonged while enough energy storage efficiency is guaranteed is achieved.

The invention relates to the technical field of vehicle power systems, in particular to a solid hydrogen storage device containing a low-temperature cold-start hydrogen storage cylinder and a fuel cell collaborative power assembly, and the device comprises a heat flow modulation module, a balance driving module, a release coordination module, a power matching module and a power assembly control module. In the hydrogen storage process, through real-time linkage judgment of the interface temperature difference and the heat flux change, directional feedback of energy in different areas is achieved, the stable hydrogen release condition of the hydrogen storage material is maintained, differentiated distribution is conducted on heating power according to the heat flux density deviation, invalid energy consumption and local energy accumulation are avoided, and the energy storage efficiency is improved. Dynamic balance is constructed between the hydrogen release rate and the phase change medium energy absorption rate, the hydrogen supply process is corrected through filtering estimation, the release flow is more stable and controllable, finally, the hydrogen supply stability and the load requirement are combined in the power output link, dynamic matching of the galvanic pile power and the external working condition is achieved, and the energy efficiency is improved. And the response flexibility and the energy conversion efficiency of the power system are improved.

The invention relates to the technical field related to energy storage performance optimization, in particular to an energy storage performance adaptability optimization method and system under multiple environments, and the method comprises the steps: collecting environmental parameters in real time based on an energy storage assembly, analyzing energy storage efficiency and capacity attenuation, configuring multiple adaptive paths, constructing an energy storage performance degradation map, and introducing historical data correction. The method comprises the steps of predicting a health state and capacity attenuation, inputting an optimization engine, determining an instruction set, and executing energy storage management in different environments, solves the technical problems of poor energy storage performance consistency and stability and low energy storage utilization rate of an energy storage assembly in multiple environments, realizes real-time acquisition and analysis of environmental parameters, configures multiple energy storage adaptive paths, and improves the energy storage efficiency. The method has the technical effects that the working state is automatically adjusted according to different environments, the environmental adaptability of the energy storage component is improved, the incidence matrix of historical degradation data and environmental parameters is introduced, the health state index and the residual available capacity attenuation rate of the energy storage component are predicted, the energy storage performance is optimized, and the stability of a power grid is improved.

The invention discloses a multiphase coexisting high-entropy glass ceramic material and a preparation method thereof, and the method comprises the following steps: step 1, uniformly mixing Na2CO3, K2CO3, BaCO3, SrCO3, CaCO3, Bi2O3, TiO2, Nb2O5 and SiO2 to obtain a mixture A; 2, the mixture A is added into a crucible preheated to 1200 DEG C, then the temperature is increased to 1450 DEG C, heat preservation is conducted to enable the mixture A to be completely molten till no bubble is generated, a melt is obtained, then the melt is poured into a mold preheated to 300 DEG C, and a product B is obtained after forming; 3, transferring the product B to an annealing furnace which is heated to 500-600 DEG C in advance, preserving heat, and cooling along with the furnace to obtain a glass sample; and step 4, putting the glass sample into a muffle furnace, heating from room temperature to 850-950 DEG C at a heating rate of 5 DEG C / min, preserving heat, crystallizing the glass sample, and cooling along with the furnace to obtain the multi-phase coexisting high-entropy glass ceramic material. The preparation method is simple in process, and the prepared high-entropy glass ceramic has high breakdown strength and excellent energy storage density and energy storage efficiency.

The invention discloses a compressed air energy storage system utilizing a segmented air inlet type multi-stage axial flow turbine and a control method, the system comprises an air storage unit, a compression unit, an expansion unit, a heat exchange unit and a control unit, a segmented air inlet type axial flow turbine structure is adopted, and multi-stage compression and indirect cooling, air storage, pre-segment reheating and multi-segment expansion are cooperatively operated, so that the energy storage efficiency is improved, and the energy storage efficiency is improved. And efficient storage and controllable release of compressed air under multiple working conditions are achieved. According to the control method, two operation strategies of sequential expansion and segmented expansion are set, the turbine segment to be started can be selected according to the gas storage pressure, inlet air temperature optimization is achieved by adjusting the flow of the heat-conducting medium of each segment in real time, and therefore the system energy efficiency and the operation stability are improved. Through the design of the segmented air inlet type axial flow turbine, the variable working condition adaptability and the energy utilization efficiency of the compressed air energy storage system are improved, the equipment complexity and the investment cost are reduced, and the coupling capacity with renewable energy sources is enhanced.

The electric steam boiler system is characterized in that a water supplementing pipeline is connected with an electrode boiler through a fourth valve, the output of the electrode boiler is connected with a spherical tank through a pipeline and a first valve, and saturated steam directly discharged from the spherical tank is connected with a user side through a pipeline and a tenth valve; and the output of the spherical tank passes through the solid energy storage superheater before being connected with the user side through a pipeline and a third valve. The system is high in energy storage efficiency, long in service life and high in safety, the solid energy storage superheater directly heats saturated steam stored in the spherical tank, simultaneous charging and discharging can be achieved, the electric steam boiler system can rapidly adapt to changes of different heat using scenes and requirements, and the electric steam boiler system can produce both saturated steam and superheated steam.