33results about How to "Guaranteed Migration" patented technology

The invention belongs to the technical field of lithium-ion secondary batteries, and in particular relates to a first-time charging forming method for a lithium-ion secondary battery. The method comprises the following steps that: carrying out aging treatment on the lithium-ion secondary battery poured with electrolyte, then gradually increasing the charging current to carry out a sectional charge formation on the battery in the state of negative pressure, and sealing the battery when the voltage reaches 3.6 volts; and carrying out aging treatment on the battery, carrying out constant-current charging to 3.8-4.0 volts at a rate of 0.5 C-1 C, then carrying out constant-current charging to 4.2 volts at a rate of 0.2 C-0.5 C, and carrying out constant-voltage charging in the state of 4.2 volts at last. Compared with the prior art, the invention adopts the method of sectional charge formation to charge the battery to 3.6 volts firstly, so as to exhaust the harmful gas produced in the process of forming SEI (solid electrolyte interface), ensure the migration of Li<+> better, enable the formed SEI to be more uniform, stable and compact, and thus improving the cycling performance and high rate discharging performance.

The invention discloses a non-combustible gel polymer electrolyte. The non-combustible gel polymer electrolyte is prepared by the steps: dissolving a vinyl phosphorus-containing compound, a vinyl compound and a lithium salt which are uniformly mixed into a plasticizer; and then adding an initiator, pouring into a mold, flattening or dropwise adding into a diaphragm assembled between a positive electrode and a negative electrode of a battery to infiltrate the diaphragm, and heating at the temperature of 50-80 DEG C for 3-24 h to polymerize the monomer in situ, and thus obtaining the non-combustible gel polymer electrolyte. The gel polymer electrolyte has relatively high phosphorus content, cannot be ignited when meeting open fire, and also has relatively high ionic conductivity, lithium iontransference number and electrochemical window at room temperature. When the electrolyte is applied to a lithium battery, side reaction caused by migration of a vinyl phosphorus-containing compound can be avoided, and damage to electrochemical performance can be reduced while incombustibility is achieved.

The invention discloses an AMF selection method, a network slice selection method and an AMF, for providing a new network slice selection method so as to ensure that all PDN connections of terminal equipment can be migrated to a 5G network as much as possible. The AMF selection method comprises the steps: a first AMF receives a relocation request message from a mobility management entity MME, therelocation request message carrying an identifier of a terminal device; the first AMF acquires subscription information of the terminal equipment according to the identifier of the terminal equipment,and the subscription information comprises information of a network slice currently accessed by the terminal equipment; and the first AMF selects a second AMF for the terminal equipment according tothe information of the network slice currently accessed by the terminal equipment.

The invention relates to the field of lithium ion batteries, in particular to low-temperature-resistant lithium ion battery non-aqueous electrolyte and a lithium ion battery. The low-temperature-resistant lithium ion battery non-aqueous electrolyte contains electrolyte lithium salt, a non-aqueous organic solvent and a film-forming additive, wherein the film-forming additive contains a conventionalfilm-forming additive and a low-temperature-resistant film-forming additive with a structure of a formula (I); the low-temperature-resistant additive can be reduced into a film on the surface of a negative electrode material more quickly than the solvent, a formed SEI (Solid Electrolyte Interphase) film is low in impedance so as to be favorable for embedding and separating out ions, and therefore, the low-temperature performance of the lithium ion battery can be greatly improved. In addition to a conventional carbonic ester solvent, the non-aqueous organic solvent also contains a carboxylic ester solvent, and the melting point and the viscosity of a whole electrolyte system are greatly lowered. When the battery is under a low-temperature (-40 DEG C) condition, the migration of the lithiumion between a positive electrode and a negative electrode can be guaranteed.

The invention relates to a novel formation needle bed probe module, which comprises a baseplate (101). A negative pressure device is disposed between a positive probe (1021) and a negative probe (1022) above the baseplate (101), the negative pressure device passes through the baseplate (101) and is located right above a lithium battery (802) liquid injection port (805) below the baseplate (101) bottom, the negative pressure device seals the liquid injection port (805) to form a negative pressure system. According to the invention, the liquid injection port is sealed in the formation process to form negative pressure, the negative pressure device collects toxic and corrosive gas generated in the formation process, performs centralized treatment, and does not discharge the toxic and corrosive gas into workshops and natural environment, thus improving the operation environment of operation staff, causing no pollution the environment, and being beneficial to environmental protection.

The invention belongs to the field of a polyetheretherketone polymer material, and particularly discloses a preparation method of a polyetheretherketone-based lithium battery separator. The preparation method comprises the following steps of (1) chlorosulfonated fluorine monomer synthesis; (2) sulfonated polyetheretherketone synthesis; (3) solution mixing; (4) film formation and drying; and (5) hole formation and drying. The polyetheretherketone-based lithium battery separator prepared by the method has the following performance of electron insulativity, electrolyte corrosion resistance, enough chemical and electrochemical stability and relatively good dynamic property, and mechanical isolation of a positive electrode and a negative electrode is ensured.

The invention discloses a low-energy EDF (earliest deadline first) real-time task scheduling method for a mixed main memory embedded system. With the adoption of advantages that a PCM (phase-change memory) is non-volatile, low in energy and high in performance and in combination of a dynamic EDF algorithm, real-time constraint of the whole task set is guaranteed, accordingly, power consumption of the whole system is reduced, and the real-time constraint of tasks is not influenced. The method comprises the steps as follows: 1), tasks in the task set T are arranged according to a (Wpi-Wdi)Nwi descending order; 2), all the tasks are initialized; 3), the tasks are placed in the PCM one by one according to a task sequence of the task set T, if the task set still can be scheduled, the task is marked as P-task, Ci is equal to Wpi, and operation is performed until all the tasks in the task set T are checked; 4), the system starts to execute the tasks; 5), free time which is assigned to all the tasks with the dynamic EDF algorithm is calculated; 6), the free time is assigned with the dynamic EDF algorithm according to priority; and 7), the step 6 is repeated until the whole task set T is finished.

The invention belongs to the technical field of ceramic preparation, and particularly relates to self-releasing glaze ceramic and a preparation method thereof. Raw materials of the self-releasing glaze ceramic comprise 92-97 parts of a green body base material, 2-5 parts of a glaze layer accelerant and 0.5-2.5 parts of a glaze layer activating agent. The glaze layer accelerant comprises at least one of borocalcite, calcium borosilicate frit, lithium feldspar and lithium chinastone, wherein the fineness of the glaze layer accelerant is 0.5-3 [mu]m, and D90 is less than or equal to 3 [mu]m; theglaze layer accelerant comprises at least one of sodium hydroxide, potassium hydroxide and boric acid. The self-releasing glaze ceramic takes at least one of sodium hydroxide, potassium hydroxide andboric acid as a glaze layer activating agent, and is enriched on the surface of a green body by virtue of diffusion of water to the surface in the green body drying process, so that the formation of aglaze layer glass phase is promoted; at least one of the borocalcite, the calcium borosilicate frit, the lithium feldspar and the lithium chinastone serves as a glaze layer accelerant, it can be guaranteed that in the firing process, the alkali-rich liquor migrates to the surface of the green body, and formation of a glaze layer glass phase is promoted.

The invention discloses a method for preparing a high-strength brick by synergistically utilizing waste incineration fly ash and steel slag, the method comprises the following steps: (1) grinding the steel slag to obtain steel slag powder; (2) grinding blast furnace slag to obtain blast furnace slag powder; (3) mixing the steel slag powder, the blast furnace slag powder and the fly ash to obtain fly ash mixed powder; (4) mixing water and the fly ash mutual doping powder, uniformly stirring, putting into a mold, and curing to obtain an anode assembly block; (5) mixing sodium phosphate and sodium silicate to obtain a silicon phosphorus reagent; (6) mixing a silicon-phosphorus reagent with water, and stirring until sodium phosphate and sodium silicate are completely dissolved to obtain a silicon-phosphorus solution; (7) adding ethanol into the silicon-phosphorus solution to obtain an electrolyte; and (8) connecting the anode assembly block to an anode, soaking the anode assembly block in the electrolyte, connecting a direct-current power supply, activating, taking down the anode assembly block, and maintaining to obtain the high-strength brick. The process is simple, and the waste incineration fly ash can be converted into the high-strength bricks through operation in a normal-temperature environment.

The invention discloses a self-adaptive adjusting water supplementing fishway for a floating dock. The self-adaptive adjusting water supplementing fishway for the floating dock comprises a fishway body, wherein the bottom end of the fishway body is rotationally connected with a floating dock structure, an auxiliary swimming structure is arranged in the fishway body, and an adjusting structure used for adjusting the angle of an auxiliary swimming plate of the auxiliary swimming structure is arranged on the floating dock structure. According to the self-adaptive adjusting water supplementing fishway for the floating dock, the angle of the fishway body and the angle of the auxiliary swimming plate can be adjusted in a self-adaptive mode, and the auxiliary migration process of fishes is effectively conducted.

The invention discloses a method for reducing fragments of a log structure file system and a flash memory storage system, which belong to the field of computer information storage. The method comprisethe following steps of: when a target data block is written into a log structure file system, extracting file characteristics to identify whether a file is a temporary writing file or not; if yes, setting a type mark for the target data block, and writing the target data block into a pre-allocated temporary logic log segment; otherwise, setting a type mark according to the cold and hot attributesof the target data block, and writing the target data block into a corresponding logic log segment; adding type marks in a submitted block request and a data item of an annular buffer area, and respectively creating request queues for different types of data; and when the data in the request queues is written into a flash memory medium, allocating independent physical addresses to different typesof data, so as to enable the data types in the same physical log segment to be the same. According to the method, fragments in the log structure file system can be effectively reduced, logic fragments and physical fragments are cooperatively managed, and the performance of the storage system is improved.

The invention provides a novel full-automatic roller type fish passing device. The fish passing device comprises a waterwheel power system, a roller type fish passing system and a dam body. The waterwheel power system is arranged on the downstream side of the dam body. The waterwheel power system comprises a driving wheel, a transmission rod and a plurality of water containing buckets, wherein the driving wheel and the transmission rod are coaxially arranged. Two ends of the transmission rod are respectively marked as an end A and an end B; the end A of the transmission rod is fixed to the center position of the driving wheel. A plurality of water containing hoppers are evenly fixed to the circumferential wall face of the driving wheel. And the opening direction of the water containing hopper is opposite to the rotating direction of a waterwheel. According to the fish passing device, the gravitational potential energy of water is converted into kinetic energy needed for lifting fishes to the upstream, and the efficient conversion of green energy is reflected. The whole process is automatic, manual and extra energy input is not needed, and the energy is saved.

Embodiments of the invention provide a data migration method and apparatus, a storage medium and electronic equipment. The data migration method comprises the steps of obtaining a data migration signal; determining a first original system according to the first original system information, determining a target system according to the target system information, determining first difference data andfirst difference data volume according to the first original system data and the target system data in a preset period, and migrating the first difference data to the target system; when the number of consecutive times that the first difference data volume obtained according to the preset period is less than the first data volume threshold reaches a first preset number of times, in response to the data request, writing the to-be-written data into the first original system and the target system at the same time, reading the to-be-read data from the first original system, and returning the to-be-read data obtained from the first original system through the first original system. According to the data migration method and device, the storage medium and the electronic equipment, the requirement for smooth and stable reading and writing of the data in the data migration process can be met.

The invention provides a data security migration method and device and a storage medium, and the method comprises the steps: building a migration path of migration data according to an initial position and a destination position, and transferring the migration data to the destination position; the data name, the data size, the migration starting time and the migration finishing time of migration data are obtained, and safety information is generated according to the data name, the data size, the migration starting time, the migration finishing time and a preset strategy; and carrying out locking processing on the migrated data based on the security information. According to the method, the corresponding security information is generated through the size of the data name, and particularly the corresponding security information is generated through the size of the data, the migration time and the migration completion time, so that the security of data migration is improved, and the data migration and the security of the migrated data are more effectively guaranteed.