124results about How to "Eliminate negative effects" patented technology

The invention discloses a federal forgetting learning method based on small sample knowledge distillation. The method comprises the following steps: initializing a global model by adopting a server and broadcasting the global model to each client; each client carries out local training on the received global model by using local data, and after the local training is completed, the global model is updated and sent back to the server; the server stores and aggregates the global models sent by all the clients, is used for updating the local global model of the server, and repeats the federal learning process from S1 to S3; a target client makes a forgetting request at a certain moment, federal learning is stopped, and at the moment, a server side uses a forgetting module to generate a forgetting model and takes the forgetting model as a student model; the server side finely adjusts and compares the language image pre-training model according to local small sample data, so that the language image pre-training model adapts to downstream data and serves as a teacher model; the server uses local small sample data to carry out recovery training through a knowledge distillation method, so that catastrophic forgetting caused by client data revocation is avoided, and the performance of a forgetting model is improved.

The invention discloses a harmonic oscillation suppression method and system for a hydrogen energy grid-connected converter. A corresponding remolding transfer function Gig (s) is added in a forward channel of a d-axis current controller; constructing a power transmission relation between an alternating current system and a direct current system based on the direct current side small signal model and the alternating current side power small signal model of the hydrogen energy inverter; inputting a small signal transfer function model of a voltage outer loop and a current inner loop obtained by controlling the hydrogen energy grid-connected inverter into a power transmission relation of an alternating current system and a direct current system to obtain a small signal control model of the hydrogen energy grid-connected inverter in a dq coordinate system; and determining an equivalent output admittance model of the hydrogen energy inverter based on the remolded transfer function Gig (s) and the small signal control model, obtaining a minimum return rate matrix representing the stability of the hydrogen energy grid-connected inverter through the power grid impedance and the output admittance of the hydrogen energy inverter, and determining the stability of the grid-connected converter system based on the characteristic value of the minimum return rate matrix. And suppression of harmonic oscillation is realized.

The invention discloses a preparation method of a self-humidifying membrane electrode of a proton exchange membrane fuel cell, relates to a preparation method of a membrane electrode, and aims to solve the technical problem of poor performance of the conventional self-humidifying membrane electrode. The method comprises the following steps: 1, synthesizing a COFs material by using 2, 4, 6-triformyl phloroglucinol and 2, 5-diaminobenzene sulfonic acid through a two-phase method; 2, preparing slurry a by using a Pt / C catalyst and a perfluorosulfonic acid ionomer solution; preparing self-humidifying catalyst layer slurry b from a COFs material, a Pt / C catalyst and a perfluorosulfonic acid ionomer solution; and 3, coating the slurry a on the anode surface of the proton exchange membrane, and coating the slurry b on the cathode surface to obtain the self-humidifying membrane electrode. According to the electrode, H2 / O2 is used as fuel, and the power density is 756.3 mW / cm < 2 > under the relative humidity of 20%; h2 / air is used as fuel, the power density is 437.8-879.7 mW / cm < 2 > under the relative humidity of 50%, and the material can be applied to the field of fuel cells.

The invention discloses a multi-view vision automobile flange plate thread detection device and method based on a mechanical arm. The detection device is composed of a calibration object, an illumination module, an imaging module and a control module. The calibration object is a checkerboard calibration plate and is used for solving a transformation matrix between the cameras and a transformation matrix between the cameras and the mechanical arm; the illumination module is composed of an LED infrared light source and a light source controller and is used for providing illumination during detection; the imaging module is composed of an industrial camera and a mechanical arm, and images of required flange plate threads are collected through the industrial camera; the control module is used for controlling the imaging module, detecting and positioning of the threads are achieved through the flange plate image collected at the initial position and image processing, the mechanical arm is driven through the positioning result to complete internal thread parameter measurement, and the detection result is transmitted. According to the invention, automatic detection of automobile flange plate threaded holes on an assembly line is realized, the device is simple, the leak detection and false detection rate is low, and the production quality and efficiency of flange plates are ensured.

The invention relates to the technical field of measurement, in particular to a well deviation and geomagnetic field intensity measurement system based on a high-precision fluxgate sensor. Comprising a fluxgate sensor group, a magnetic field data analysis part and a measurement result calculation part, the fluxgate sensor group comprises high-precision fluxgate sensors for respectively measuring magnetic field components in the X-axis direction, the Y-axis direction and the Z-axis direction; the magnetic field analysis part is used for constructing a magnetic field gradient tensor according to the physical parameters of the high-precision fluxgate sensor, the effective magnetic conductivity and the corrected magnetic field component in each direction, and separating a geomagnetic field vector from the total magnetic field vector according to the magnetic field gradient tensor; and the measurement result calculation part is used for calculating a hole drift angle value and an azimuth angle value according to the geomagnetic field vector. According to the method, the precision, robustness and environment adaptability of underground magnetic field measurement are remarkably improved. The geomagnetic field vector can be accurately extracted, and high-precision calculation of the hole drift angle and the azimuth angle is achieved.

The invention provides an electrolyte and a lithium ion battery, and belongs to the technical field of secondary batteries, and the electrolyte comprises a lithium salt, an organic solvent and a first additive. The first additive with a-Si-O-Si-group structure is added into the electrolyte, and the-Si-O-Si-group in the first additive reacts with residual silicon hydroxyl on the surface of the silicon-based negative electrode material to form a Si-O-Si bond, so that the first additive is attached and fixed on the surface of the silicon-based negative electrode material; when the volume of the silicon-based negative electrode material is expanded, groups with relatively large steric hindrance on the periphery of a Si-O-Si bond are diffused on the surface of the silicon-based negative electrode material, so that a fresh exposed surface caused by the volume expansion of the silicon-based negative electrode material is reduced, and the negative influence of the volume expansion of the silicon-based negative electrode material on the lithium ion battery is inhibited; further, the safety performance, the storage performance and the cycle performance of the lithium ion battery assembled with the silicon-based negative electrode are improved.

The invention relates to the technical field of food, in particular to a preparation method of calcium-containing soft sweets. The calcium-containing soft sweets comprise the following components: pectin, a sweetening agent and calcium salt microspheres. According to the preparation method disclosed by the invention, through innovative preparation of the calcium salt microspheres, the calcium salt is loaded in the water-soluble colloid and does not react with the pectin before casting molding, and meanwhile, the water-soluble colloid can effectively eliminate negative effects of the calcium salt on the taste and the texture of the soft sweets; in the stages of pouring and drying forming of the soft sweets, along with gradual dissolution of the water-soluble colloid, part of calcium salt is released and subjected to a moderate cross-linking effect with pectin, and the remaining calcium salt serves as a functional component and is reserved in the remaining microsphere structure, so that the calcium-containing soft sweets with good taste and stability are obtained.

The invention relates to the technical field of electric power communication module meter reading test, and discloses an electric power communication module meter reading test method and system, and the method comprises the steps: sending a to-be-tested module into a conveyor belt, carrying out the light supplement after the to-be-tested module enters a detection region, collecting an image, and recognizing display data. If the data display is abnormal, further judging whether bright spots exist or not, and if not, removing abnormal modules; and if yes, adjusting the light supplementing strategy and re-collecting the image until the bright spots disappear. And comparing and synthesizing the newly collected image and the original image, and determining whether the ammeter is qualified after determining that the data is accurate. Light supplementing adjustment is based on analysis of the bright spot position, the light supplementing effect is optimized by controlling the position of a light supplementing lamp, and the accuracy of detection data is ensured. The method can effectively improve meter reading accuracy and reduce manual intervention, and is suitable for automatic production line detection of intelligent electric meters.

The main and fine grid integrated HJT silver paste comprises the following components in percentage by mass: 85-92% of silver powder, 2-6% of organic resin, 0.5-2% of a curing agent, 0-1% of a thixotropic agent, 0-1% of an epoxy catalyst, a silicone oil catalyst and 2-5% of an organic solvent. The silver powder at least comprises three kinds of powder with different particle sizes, wherein the ball powder and the ball-like powder with the D50 being 2-6 micrometers and the tap density being 5-6 g / mL account for 30%-50% in one kind, the ball powder and the ball-like powder with the D50 being 0.1-1 micrometer and the tap density being 3-5 g / mL account for 20%-40% in the second kind, and the sheet powder with the D50 being 0.5-2 micrometers and the tap density being 3-5 g / mL account for 10%-30% in the third kind.

The present application relates to the field of explosion-proof lighting technology, and specifically to an explosion-proof lighting lamp and a brightness control method thereof, the method comprising: collecting the temperature of the explosion-proof lighting lamp and the current and voltage of the brightness control circuit; extracting the frequency domain change characteristics of each harmonic frequency of the current to obtain the power influence weight; obtaining the harmonic current; obtaining the temperature influence weight according to the change trend of the lighting lamp temperature and the correlation between the change and the harmonic current; finally, calculating the total reactive power by combining the reactive power of the harmonic and reactive current; determining the reactive compensation amount according to the reactive power, and further determining the capacitor capacity to achieve reactive compensation. The present application aims to reduce the adverse effects of harmonics and reactive currents in the brightness control circuit, thereby enhancing the brightness control stability of the explosion-proof lighting lamp.

The invention discloses a preparation method of a high-performance anti-ultraviolet water-repellent polyester fiber. The preparation method comprises the following steps: S1, preparing core-shell composite modified particles; s2, preparing a modified finishing liquid; and S3, carrying out dipping treatment on the polyester fiber by adopting the modified finishing liquid, so as to obtain the high-performance anti-ultraviolet water-repellent polyester fiber. The polyester fiber provided by the invention has excellent ultraviolet resistance and water repellency, titanium dioxide and carbon dots are adopted as main components of an anti-ultraviolet agent, and the core-shell composite modified particles with a special structural system are constructed, so that the excellent ultraviolet resistance can be provided, and the polyester fiber has excellent water repellency. The carbon dots are added into the polyester fiber, the adverse effect caused by the photocatalysis of titanium dioxide can be overcome, the water repellency of the polyester fiber can be improved through the carbon dots, the negative effect of the photocatalysis of titanium dioxide is further reduced, and the carbon dots play multiple improvement roles in the polyester fiber.

The present invention discloses a real-time drilling parameter optimization method and system based on extreme value optimization, including obtaining logging engineering parameters under real-time working conditions, obtaining a rock breaking strength baseline under the optimal drilling state of the target well, constructing a rock breaking energy model under a composite working condition taking into account the output loss of the screw, calculating the virtual rock breaking strength, and determining the rock breaking efficiency and abnormal working conditions downhole in real time, and assisting in finding the unstable drilling parameter threshold under the composite drilling condition. Taking the rock breaking strength baseline as the adjustment target for minimizing the virtual rock breaking strength, comprehensively considering the above-mentioned unstable drilling parameter thresholds, a multivariable extreme value optimization algorithm is used to adjust the parameter combination, and finally obtain the recommended drilling parameter combination under the minimum virtual rock breaking strength. The present invention realizes the recommendation and optimization of the best drilling parameters based on the real-time virtual rock breaking strength calculation and optimization under the composite drilling condition, which can effectively avoid the blind spots of empirical drilling data and realize the optimization of drilling parameters throughout the process.

The application relates to a bundle search processing method and device, computer equipment and a storage medium. The method comprises the following steps: performing bundle search on a word table based on a current to-be-matched object and a current bundle width to obtain a current search result, wherein the current search result comprises a plurality of target words which are matched successfully with the current to-be-matched object and the number of which matches the current bundle width; performing width attenuation on the current bundle width according to a bundle width attenuation mode matched by the number of executed bundle searches to obtain a bundle width for next bundle search; taking each target word as a to-be-matched object for next bundle search, and iteratively performing bundle search until the bundle width obtained by attenuation is equal to a bundle width threshold value, and taking the search result at this time as a target to-be-matched object, and performing bundle search on the word table based on the bundle width threshold value to obtain a target search result. By adopting the method, the search efficiency can be improved while ensuring the search effect in an ultra-long sequence scene.

The present application relates to the technical field of castables, and specifically discloses a high-performance hawk beak castable and a preparation method thereof. A high-performance hawk beak castable, using a first aggregate and fused white corundum as aggregates, composite coated graphite powder, silicon nitride, α-alumina micropowder, silicon dioxide micropowder and barium sulfate as powders, calcium aluminate cement as a binder, sodium hexametaphosphate and sodium tripolyphosphate as composite dispersants, tri(2-hydroxypropionic acid) aluminum salt and an active agent as adjuvants, and is cast, heat-insulated, and fired in two stages. The high-performance hawk beak castable prepared in this application has the characteristics of high flexural strength and compressive strength, small permanent linear change rate, expansion resistance, good thermal shock stability, good burst resistance, and metal corrosion resistance.

The present invention discloses a method and system for improving the stability of a single-phase grid-type converter based on delay compensation, and belongs to the field of power electronics technology. The present invention provides a delay compensation unit for the active and reactive power controllers of a single-phase grid-type converter, which adds a zero point in the power controller to cancel the pole generated by the power measurement delay, thereby eliminating the negative impact of single-phase power measurement. The present invention improves the stability of a single-phase grid-type converter through a simple and effective implementation method, can significantly reduce the instability phenomenon of a single-phase grid-type converter, and is easy to expand and apply.

The utility model discloses a device for synchronously controlling a withdrawal and straightening machine and a dummy bar of a continuous casting machine. The device comprises a potentiometer, a PLC (Programmable Logic Controller) control system, a signal isolation module, a withdrawal and straightening machine frequency converter, a dummy bar frequency converter and a digital display instrument. The potentiometer is connected to an analog quantity input port of the PLC control system through the one-input one-output optoelectronic isolator and is used for inputting an initial control signal; the output end of the PLC control system is connected with the withdrawal and straightening machine frequency converter and the dummy bar frequency converter to drive the two frequency converters to operate. A feedback signal of the withdrawal and straightening machine frequency converter is divided into two paths to be transmitted to the PLC control system and the withdrawal and straightening machine digital display instrument through the one-input two-output isolator, and a feedback signal of the dummy bar frequency converter is directly accessed to the dummy bar digital display instrument. The device eliminates electromagnetic interference through a photoelectric isolation module, integrates a water distribution model and a molten steel temperature data interface, adopts a standardized interface design for hardware, is adaptive to different continuous casting machine models, has the characteristics of strong anti-interference capability, stable signal transmission and visual real-time monitoring, and effectively improves the operation reliability of equipment.

The invention discloses a tungsten alloy preparation method based on multi-element doping and wet ball-milling mixing, and relates to the technical field of powder metallurgy. The method comprises the following steps: weighing tungsten trioxide powder, nickel oxide powder and ferric oxide powder in proportion, and adding an isopropanol solvent for wet ball milling to obtain original slurry; carrying out ball material separation and drying on the original slurry, and fully reducing by using hydrogen to obtain W-Ni-Fe composite powder; multiple elements are doped in the W-Ni-Fe composite powder for secondary material mixing, and multi-element doped mixed powder is obtained; the multi-element doped mixed powder is put into a rubber sleeve and then subjected to cold isostatic pressing, and a W-Ni-Fe alloy bar blank is obtained; and the W-Ni-Fe alloy bar blank is subjected to sintering and vacuum annealing, and the W-Ni-Fe alloy is obtained. According to the embodiment of the invention, the problem that the raw material powder is difficult to mix uniformly in the dry mixing process is solved, and the distribution uniformity of Ni, Fe and doped elements in the multi-element doped mixed powder is improved.

The present invention provides a loss-in-weight scale control instrument and a loss-in-weight scale control method thereof, wherein a weighing flow measurement unit and a weighing weight and feeding mass relationship judgment unit in the loss-in-weight scale control instrument are respectively connected to the input end of a feeder characteristic learning unit, and a feeding flow / control output mapping unit, a control output / feeding flow mapping unit and an input end of the feeder characteristic learning unit are sequentially connected; an output end of the feeder characteristic learning unit is respectively connected to a measured control unit, a feeding flow / control output mapping unit and a control output / feeding flow mapping unit; a feeder characteristic modification amount output by the feeder characteristic learning unit simultaneously modifies the feeding flow / control output mapping unit, the control output / feeding flow mapping unit and the measured control unit. The present invention eliminates the jitter of the learning control closed loop by simultaneously correcting different links of the learning control closed loop, thereby improving both the adaptability and adaptability range of the application and the control performance of the application.

The application provides an anti-malicious anchor node target node positioning method, device and equipment, and belongs to the field of network security and signal processing. The method comprises the following steps: acquiring the received signal strength measurement data between nodes, establishing a received signal strength nonlinear measurement model containing an unknown attack strength parameter, further converting the multiplicative noise item in the established model into an explicit additive equivalent noise item, constructing an optimization model with the weighted residual square sum minimization as an objective function, introducing an L1 norm regularization term for the attack strength parameter, coupling the identification of the malicious anchor node and the position estimation of the target node into the same optimization problem to obtain an initial optimization model, introducing an auxiliary variable for relaxing the non-convex item, converting the non-convex constraint into a convex constraint and solving the same to determine the target node position, and providing a reliable basis for subsequent network security maintenance and node trust management.

The embodiment of the invention discloses a T884 heat treatment method for a solid-phase additive pressure-resistant shell, which comprises the following steps: carrying out solid-phase additive shell forming on raw materials according to preset process parameters to obtain a to-be-treated shell; the shell to be treated is subjected to machining and polishing treatment, edge notches are removed, the wall thickness is controlled within a first preset range, and a machined shell is obtained; and the machined shell is sequentially subjected to solution treatment, quenching treatment, spinning treatment, pre-aging treatment and artificial aging treatment, and the formed shell is obtained. And circumferential cracking of the shell in the heat treatment process is completely eradicated, and the mechanical performance and the comprehensive performance of the shell are guaranteed.

The coil component 100 has a coil with a shape that improves the overall performance L×Isat / DCR of the coil component. It has a spiral conductor portion (first spiral conductor portion 11) with a central axis O along a first direction and having multiple turns, and a lead-out conductor portion (first lead-out portion 14) extending from the outer peripheral end of the spiral conductor portion towards a second direction (X1-X2 direction) intersecting the first direction (Z1-Z2 direction); and a core body portion 30 containing magnetic powder and adhesive material, covering the spiral conductor portion and the lead-out conductor portion, and exposing the end face of the lead-out conductor portion (first lead-out portion end face 14E). The two sides of the lead-out conductor portion along the second direction (inner side 14i and outer side 14p) have non-parallel portions when viewed along the first direction.

To achieve a power storage device capable of suppressing a negative effect of water that has infiltrated an inside of a case on an electrical device. In a power storage device of one embodiment of the present disclosure, the case includes a frame including a column unit and a beam member that links the column units and is assembled with a fastening member, a partition member that is fixed to the frame with the fastening member and divides an inside of the case into a space in which the electrical device is accommodated and another space, and a cap-shaped member that is fixed to the frame. The partition member includes waterproof portions at both end portions thereof on the left and right. In a state where the partition member is arranged on the upper side with respect to the electrical device, the waterproof portions are covered with the cap-shaped member.

This invention provides a training method, localization method, and system for an intelligent agent localization model based on dialogue and vision collaboration. The training method is applied to a federated learning system and includes: a server initializing a global model and distributing it to a client; the client receiving model parameters, training the model using local dialogue commands and visual data, generating multimodal representations, and then inputting them into two structurally identical but parameter-independent localization branches for parallel processing, outputting localization representations and prediction results, and executing navigation decisions based on the localization results; constructing a total loss function that includes a loss term constraining the consistency of the bi-branch representations and constraining the consistency of navigation state changes, and updating the local model; the client evaluating reliability based on representation consistency and navigation stability, uploading the model update and reliability to the server, and the server using this data to weighted aggregate and update the global model, iterating until convergence. This invention can suppress noisy dialogue interference and improve localization accuracy, navigation stability, and model generalization ability in federated learning scenarios.

This invention provides a method for embedding wires in continuous fiber-reinforced composite materials and vertically leading them out, comprising the following steps: laying a first insulating protective layer on a first composite material matrix; arranging multiple wires at predetermined intervals and in parallel on the first insulating protective layer; laying a second insulating protective layer above the wires; encapsulating to form a composite material preform; laying a second composite material matrix on the second insulating protective layer; forming a prefabricated cavity in the second composite material matrix through layer-by-layer stacking; filling the prefabricated cavity with a placeholder structure; encapsulating to form a complete preform; and curing the complete preform. After curing, the placeholder structure is removed from the second composite material matrix, and the wires can be vertically led out and moved from the prefabricated cavity. This invention can reduce the negative impact of embedded wires on the mechanical properties of composite materials and effectively prevent leakage problems caused by damage to the insulating varnish layer on the wire surface.

The invention discloses an equipment fault detection method and related equipment, relates to the field of fault detection, and realizes a gated processing mechanism of first preliminary screening and then subdivision by synchronously acquiring long-time sequence vibration signals and noise signals of equipment and constructing a two-stage cascaded fault detection architecture. The fault preliminary screening model performs quick fault preliminary screening on all the to-be-detected fragments, and only the fragments judged to be faulty are sent to the fault type subdivision model for specific fault type identification, so that the unnecessary calculation overhead is remarkably reduced, and the system detection efficiency is improved. According to the method, bimodal information is fully utilized, and efficient and stable equipment fault detection is realized while high detection precision is ensured.

This invention discloses a robust fusion method for large models based on semantically aligned fuzzy clustering. The method includes: first, obtaining a sequence of probability distribution vectors from the outputs of multiple heterogeneous large-scale pre-trained models for the samples to be processed; then, introducing non-negative reliability weights to weight this sequence to obtain an aggregated probability matrix, and constructing a graph Laplacian matrix accordingly; second, approximating the aggregated probability matrix into a fuzzy membership matrix and a semantic prototype matrix, constructing a cost objective function by combining the graph Laplacian matrix, and iteratively updating each matrix and weight until convergence; finally, solving for the maximum value of the converged fuzzy membership matrix to obtain the sample prediction category result. This invention can effectively suppress the influence of inferior models in unsupervised environments, significantly improving the accuracy and robustness of fusion prediction.

The invention discloses concrete for electromagnetic shielding and a preparation method and application thereof. The concrete for electromagnetic shielding comprises the following components in parts by mass: 100 parts of Portland cement; 0.5 to 3 parts of a nickel iron slag-polythiophene-polyurethane composite hydrogel; 10 to 20 parts of glass beads; 8 to 15 parts of diatomite; 190 to 220 parts of fine aggregate; 280 to 340 parts of coarse aggregate; and 1.5 to 4 parts of a water reducing agent. The preparation method of the concrete for electromagnetic shielding is very simple, all the components are uniformly mixed in batches, and then molding and curing are performed to obtain the concrete for electromagnetic shielding. The concrete for electromagnetic shielding has the advantages of being excellent in electromagnetic shielding performance, high in strength, low in cost and the like, the preparation method is simple, raw materials are easy to obtain, and the concrete is suitable for large-scale industrial application in the field of electromagnetic shielding.

The application discloses a non-welding accessory connecting structure of a wind power tower drum, the wind power tower drum and a construction method thereof, and relates to the technical field of wind power generation equipment. Technical scheme points of the application are as follows: the application comprises a rooting piece for connecting with an accessory structure, a structural adhesive layer coated between a mounting surface of the rooting piece and an inner wall of a tower drum body, and a resin fiber composite material coating layer which is cured and formed to wrap a root part of the rooting piece and is fixedly connected with the inner wall of the tower drum body through the structural adhesive layer. The application can effectively disperse stress generated by accessory load, avoid a welding heat affected zone, welding residual stress and stress concentration at a welding toe, eliminate negative effects of welding of the accessory on fatigue strength of a main steel plate of the tower drum, and make the fatigue strength grade of the main steel plate not be reduced due to connecting details.

This invention discloses a polyphosphazene / MXene self-supporting electrode loaded with cobalt single atoms, its preparation method, and its application, belonging to the field of seawater uranium extraction technology. Ti3AlC2 powder is etched in an HCl-LiF mixed solution and then ultrasonically exfoliated to obtain Ti3C2T. x Nanosheet suspension; simultaneously, hexachlorocyclotriphosphazene, 4,4'-dihydroxydiphenyl sulfone, and cobalt salt were dissolved in a solvent, and triethylamine was added. A condensation reaction was then carried out under ultrasonication to obtain Co-PZS; then Ti3C2T x After the nanosheet suspension is uniformly mixed with Co-PZS and carbon fiber fabric, it is transferred to a hydrothermal reactor for hydrothermal reaction. The resulting hydrothermal reaction product is then dried and calcined to obtain a polyphosphazene / MXene self-supporting electrode loaded with cobalt single atoms. This electrode is used for the electrochemical adsorption of uranyl ions in the solution system and exhibits excellent comprehensive uranium extraction performance, with advantages such as high capacity, fast rate, strong selectivity, and good stability, meeting the application requirements of seawater uranium extraction.

The invention belongs to the field of organic electrolyte and potassium ion batteries, and particularly relates to a high-energy-density potassium ion battery realized by medium-entropy electrolyte applicable to an alloy antimony / conductive carbon negative electrode. The potassium ion battery comprises a Prussian blue (PB) positive electrode, an electrolyte and an antimony / conductive carbon (Sb / SP) negative electrode, and the electrolyte is a medium-entropy electrolyte of potassium bis (fluorosulfonyl) imide (KFSI). The obviously improved rate performance of the medium-entropy electrolyte and the Sb / SP developed by the invention is attributed to a balance solvation structure driven by a double-entropy effect and a weak solvation effect, and the structure provides a collaborative guarantee for enough interface stability and dynamic compatibility. Meanwhile, the electrochemical window of the ether-based electrolyte is widened, the PB positive electrode can stably circulate at 2.0-4.4 V, and the PBMSESb / SP total battery can achieve the high energy density of 194 Wh / kg under the current density of 50 mA / g (based on the total mass of PB and Sb / SP).