512 results about "Active components" patented technology

The wireless RF semiconductor system is described for use in wireless communication devices that operate in frequency range from 6 GHz to 100 GHz. The system comprises of at least one RF antenna and at least one active RF component fabricated (or built) on the same semiconductor substrate inside a one single packaged module. The wireless RF semiconductor system is described in a variety of different configurations with its functionality divided up over several single chip circuits. The system simplifies assembly, reduces size and cost, and allows for a quick time to market, while maximizing the RF performance demanded by fixed and mobile 4G, 5G and other wireless standards.

The invention relates to the technical field of skin care product detection, and discloses a multi-dimensional rapid detection and comprehensive analysis system for a skin care product formula. The method comprises the following steps: acquiring infrared spectrum data of a skin care product through a component spectrum acquisition device, and extracting characteristic peak information to generate an original spectrum characteristic vector; the formula component analysis engine matches the standard spectral characteristics, identifies active components and concentration proportions and outputs a component identification list; the component interaction relation modeling module constructs a component collaboration or antagonism relation network and generates a graph; the stability prediction unit analyzes component stability change trends in different environments and outputs a prediction report; the safety evaluation module calculates a safety threshold value and a risk level and generates an evaluation matrix; the formula optimization suggestion generator screens replaceable components or adjusts the concentration, and outputs optimization suggestions; and the detection report integration unit carries out structured integration on the result to form a final report. According to the system, multi-link integrated detection is realized, and the detection requirements of skin care products are met.

A processing device in a memory sub-system receives a request to generate a digital certificate associated with a memory device including a set of active components, where each active component of the set of active components is associated with an active component identifier. In response to the request, a set of active component identifiers are identified. Based on at least a portion of the set of active component identifiers, the digital certificate associated with the memory device is generated and provided to a host system, where the digital certificate is used to authenticate the memory device

The invention provides a cardiovascular and cerebrovascular health care product production process control method and system based on multi-parameter collaborative optimization. Wherein thermal field temperature parameters of active components in a mixing container are collected in real time, and a parameter matrix is constructed by combining degradation kinetics and phase change state parameters; establishing a correlation model of a thermal stability layer, a phase change layer and an anti-oxidation attenuation layer based on a deep learning algorithm, and generating a differential control instruction of the double-spiral stirrer by optimizing a thermodynamic analysis rule; a compound motion mode of radial sweeping stirring of the main spiral body and axial pulse overturning of the auxiliary spiral body is executed, and a semiconductor temperature control device is synchronously adopted for temperature gradient compensation, so that dynamic matching of the stirring speed and temperature control parameters is realized; mapping lipid carrier premixing and inclusion processes and sustained-release matrix crosslinking parameters to a temperature regulation and control system to form comprehensive process parameter closed-loop feedback; and the degradation kinetic parameters are reversely corrected through online detection data, and the parameter matrix is iteratively updated until a preset quality index is reached.

The invention belongs to the technical field of semiconductor material processing, and relates to a bonding method and a wafer room temperature bonding method, which are executed by a bonding system comprising a film forming chamber, a bonding chamber, a transmission chamber and a bonding point location preparation unit. The method comprises the following steps: forming an active film layer containing unsaturated bond active points on the surface of a wafer; active components are introduced through the bonding point site preparation unit, so that the active components react with the active point sites to form bonding point sites; transmitting the two wafers to a bonding chamber and aligning the two wafers; pressure is applied, and bonding is completed by means of the pressure and the bonding reaction between the bonding points. According to the method, the flat and active bonding surface can be prepared, the lattice structure is not influenced in the bonding process, and the quality of the bonding wafer product can be improved.

The invention discloses a high-magnification low-expansion modified silicon-carbon composite material and a preparation method and application thereof, the modified silicon-carbon composite material is of a particle structure and comprises a silicon-carbon material serving as an inner core and a fluorine-containing conductive polymer layer coating the surface of the silicon-carbon material; the silicon-carbon material is obtained by coating the surfaces of silicon particles with carbon layers; the fluorine-containing conductive polymer layer is obtained by initiating polymerization of a first monomer and a second monomer, and the first monomer is a fluorine-containing polymer monomer. The preparation method comprises the following steps: putting the silicon-carbon material, a first monomer and a second monomer into a hydrothermal reaction kettle, adding a mixed solvent of water and ethanol, heating while stirring, adding an initiator after heating to a target temperature, preserving heat, reacting, cooling, carrying out suction filtration, washing with water, and drying to obtain the fluoro-coated silicon-carbon material, namely the modified silicon-carbon composite material. According to the application, the modified silicon-carbon composite material serves as a negative electrode active component and is mixed with a conductive agent, a binding agent and a dispersing agent, so that the negative electrode coating slurry for preparing the negative electrode plate of the lithium ion battery is formed.

The invention belongs to the technical field of environmental pollution treatment and photocatalytic materials, and particularly relates to a multi-component composite material as well as a preparation method and application thereof. The multi-component composite material provided by the invention comprises a carrier and an active component growing on the carrier in situ, the carrier comprises an MXene two-dimensional material and biochar; the invention discloses a multi-component composite material and a preparation method thereof, the multi-component composite material comprises active components, the active components comprise Ce2Sn2O7 and Bi3O4Br, the Ce2Sn2O7 and the Bi3O4Br form a heterogeneous coupling body, the multi-component composite material provided by the invention is applied to degradation of PFAS as a photocatalyst, high-yield H2O2 generation and efficient PFOA degradation can be realized under a visible light illumination condition, and the multi-component composite material has good stability and reusability.

The invention discloses a preparation method and application of a carbon dioxide hydrogenation catalyst, and belongs to the field of hydrogenation catalysis. The vanadium slag is used as a raw material, a leaching solution containing silicon, chromium and vanadium is obtained through sodium salt roasting, an aluminum source is added to remove the silicon element, meanwhile, an ordered mesoporous carbon material is added, and silicon and aluminum elements are converted into an ordered mesoporous composite oxide which is used as a hydrogenation catalyst carrier; an indium salt, a cerium salt and a nickel salt are dissolved in ethanol and mixed with the carrier for isopyknic impregnation to obtain the hydrogenation catalyst; and carrying out chromium and vanadium separation on the silicon-removed leaching solution to obtain chromium sesquioxide and the all-vanadium redox flow battery electrolyte. The catalyst has a regular pore structure, ordered mesopores provide a confinement effect, dispersion and anchoring of active components are facilitated, and the activity of the catalyst is remarkably improved.

This application relates to a heat dissipation shielding structure and a processing method, a circuit board assembly, and an electronic device. The printed circuit board includes a mounting surface. Electronic components are mounted on the mounting surface. The electronic components include an active component and a passive component. The heat dissipation shielding structure includes an insulating layer. The insulating layer is covered on the mounting surface, and wraps at least a side surface of the active component, so that a side that is of the insulating layer and that faces away from the mounting surface forms a first surface together with a top surface of the active component. A shielding layer is covered on the first surface, a shape of the shielding layer matches a shape of the first surface, and the shielding layer is electrically connected to a ground network of the printed circuit board.

A preparation method for a lithium metal powder, a product thereof, a prepared lithium metal negative electrode, and a finally assembled liquid electrolyte lithium-ion battery and solid electrolyte lithium-ion battery. The preparation method for a lithium metal powder comprises: mixing a lithium metal raw material with a polymer additive in an inert gas atmosphere, and then subjecting the mixture to freezing ball milling. The polymer additive does not react with the lithium metal raw material, and the Rockwell hardness of the polymer additive is 70-110. By means of the preparation method, a lithium metal powder having a uniform size can be prepared, the median particle size of which is not higher than 500 nm and minimally can reach 10 nm; and the preparation method has a low raw material cost and a simple and feasible process. A lithium-ion battery assembled by taking the lithium metal powder prepared by means of the method as a negative electrode active component has a high dendritic crystal growth critical current density and excellent electroplating / stripping cycle stability.

The invention belongs to the technical field of low-carbon dehydrogenation aids, and particularly relates to a heat balance aid as well as a preparation method and application thereof. The heat balance auxiliary agent comprises Al, Ca, Si, Cu and Mn elements existing in an oxide form; wherein the Al2O3, the CaO and the SiO2 jointly form a skeleton structure of the auxiliary agent, and the CuO and the MnO2 are used as active components and are attached to the skeleton structure; the molar ratio of metal elements in the heat balance auxiliary agent is as follows: Al: Ca: Si: Cu: Mn = (49-78.9): (15-25): (1-10): (5-15): (0.1-1). The heat balance additive prepared by the invention shows excellent anti-sintering capability, long service life and stable heat supply performance under harsh reaction conditions such as propane dehydrogenation, and can effectively improve the selectivity of target olefin and reduce the generation of byproducts such as methane.

The invention belongs to the field of catalytic electrodes, and particularly discloses a modified nickel-based electrode and a preparation method thereof.The preparation method of the modified nickel-based electrode comprises the steps that 1, a nickel-based electrode is placed in a precursor solution to be soaked and then transferred into an inert atmosphere or a vacuum atmosphere to be roasted, and a primary modified electrode is obtained; and 2, the step 1 is repeated for one or more times, a secondary modified electrode or a multi-stage modified electrode can be prepared, and the precursor solution is any one or more than two of a sodium phosphite solution and a metal salt solution. A nickel-based electrode is treated through sodium phosphite, phosphide with heterojunction and electronic properties is formed on the surface of the nickel-based electrode, more active sites are provided, a metal salt solution is introduced to treat the sodium phosphite, new active components are introduced, and the performance of the catalytic electrode is regulated and controlled through metal deposition and alloying; and the synergistic effect between the introduced metal element and nickel interacts in the catalytic reaction, so that the catalytic activity and selectivity of the electrode are jointly improved.

The invention relates to an operating device, comprising: a first microcontroller comprising at least one first measurement input; a voltage source; a resistance network, a first tap of which is conductively connected to the first measurement input; at least one switching element integrated in a resistance network which is configured such that different switching states correspond to different switching potentials at the first measurement input; the second microcontroller is located at the upper level of the first microcontroller; and an active component integrated into the resistive network, said active component being actuated such that a disturbance potential having a predetermined time characteristic is used as a measurement potential present at the first measurement input; wherein the second microcontroller is designed, during the actuation of the at least one active component, to at least temporarily prevent a subsequent output of the detection result to the superordinate control unit when the detection result of the first microcontroller does not correspond to a predetermined time characteristic of the disturbance potential. In addition, the invention also relates to related uses and methods.

The invention belongs to the field of batteries, and particularly relates to a negative plate, a preparation method thereof and a lithium ion battery, the negative plate comprises a current collector and an active layer arranged on at least one side of the current collector; the active layer comprises a lower active layer close to the current collector and an upper active layer far away from the current collector; the true density of the active components in the lower active layer is 2.1-2.4 g / cm < 3 >; and the true density of the active component in the upper active layer is 1.8-2.2 g / cm < 3 >. According to the technical scheme, the defects existing in an existing lithium ion battery negative electrode coating process are overcome, the problems that the active substance loading capacity is limited, the cycle life is short, and the fast charging performance is poor are solved by optimizing the structural design of negative electrode double-layer coating, and the requirement of the market for a high-performance lithium ion battery is met.

The invention relates to a room-temperature sulfur-based sodium ion battery based on a hard carbon negative electrode and a sulfurized polyacrylonitrile positive electrode and preparation thereof, the sodium ion battery comprises the positive electrode, the negative electrode and electrolyte, and is characterized in that the positive electrode contains sulfurized polyacrylonitrile as a positive electrode active component; the negative electrode comprises resinous hard carbon and / or coal-based hard carbon as a negative electrode active component, and the electrolyte is composed of an organic solvent and a sodium salt. Compared with the prior art, the method has the advantages that the traditional sodium electric bottleneck is broken through from multiple dimensions of energy density, cycle life, safety, cost and the like through material characteristic complementation and synergistic effect, and the first-circle reversible capacity of the constructed hard carbon-SPAN total battery system at 50mA g <-1 > reaches 650mAh g <-1 > and the like.

The invention discloses a cascade catalyst and a preparation method and application thereof, and belongs to the technical field of catalysts. The cascade catalyst comprises a carrier and an active component, the carrier is at least one of a carbon carrier, a metal oxide carrier, a semiconductor and an organic framework material; the active components are at least two of noble metal, non-noble metal and nonmetal with catalytic action; wherein the active components are uniformly dispersed on the carrier. And the active component accounts for 0.001-50% of the cascade catalyst in percentage by mass. An active component and / or a carrier in the cascade catalyst are / is modified with an oxygen-containing functional group; and the surface area of the carrier is greater than or equal to 200 cm < 2 > / g. By optimizing the selectivity and activity of the catalyst in each step and the compatibility of reaction conditions, side reactions and energy loss are reduced. The distribution form of the cascade catalyst comprises single atoms, sub-nano clusters, nano-particles and the combination of the three, and the limitation of a single type of active centers is broken through through the synergistic effect.

The invention provides a glass powder composition, base metal conductive paste, a preparation method and application, and the glass powder composition comprises the following components in percentage by weight: 10 to 80 percent of TeO2, 10 to 70 percent of PbO, 0 to 70 percent of Bi2O3, 0 to 20 percent of Li2O, 0 to 20 percent of WO3, 0 to 20 percent of ZnO, 0 to 30 percent of SiO2, 0 to 10 percent of Na2O and 1 to 20 percent of Cu2S. Through reasonable design of components and content of the glass powder, the transition temperature (Tg) of the glass powder composition is relatively increased, atomic diffusion is inhibited, glass active components are prevented from being consumed too early, the etching effect of the glass powder on a silicon wafer is guaranteed, and good ohmic contact is formed; the high-conductivity copper can assist in enhancing the conductivity of a base metal conductive system, and the conductivity of the sintered slurry is improved; on the other hand, in the initial stage of sintering, Cu2S can preferentially react with a base metal material, so that consumption of the base metal to active ingredients of the glass powder composition is reduced, the good activity of the glass powder is kept, and the contact performance of an electrode is improved.

The invention provides an active element selection method for a hybrid RIS-assisted cellular-removal MIMO system, and the method comprises the steps: building a channel model, deducing an expression of a downlink reachable rate, building a joint optimization problem of an AP beam matrix, a hybrid RIS beam matrix and an active RIS element position, and carrying out the joint optimization of the positions of the AP beam matrix, the hybrid RIS beam matrix and the active RIS element. AP power constraint, active RIS power constraint and RIS unit mode constraint serve as constraint conditions of the joint optimization problem, and the joint optimization problem is converted into an AP beam matrix optimization problem and a hybrid RIS beam forming matrix-active element position optimization problem by utilizing Lagrange dual transformation and multi-dimensional complex quadratic transformation; a convex optimization solver is adopted to alternately solve until convergence, an optimization result is obtained, and a precoding matrix of an AP, phase shift of an RIS and power and position selection of an active element are adjusted according to the optimization result, so that the sum rate of a user of the RIS-assisted cellular-removal MIMO system is maximized, and the performance of the cellular-removal MIMO system is improved.

The invention discloses an integrated positive electrode material, an oxide-based solid-state lithium-carbon dioxide battery and a preparation method. The integrated positive electrode material comprises a current collector, an active component and a lithium ion transmission medium, wherein the active component and the lithium ion transmission medium are loaded on the current collector; a high-conductivity carbon material is grown on the surface of the current collector in situ; the active component comprises an active element, and the active element is selected from at least one of copper, nickel, cobalt and iron; the lithium ion transmission medium comprises a lithium element. The solid-state lithium-carbon dioxide battery composed of the integrated positive electrode, the oxide solid-state electrolyte and the metal lithium negative electrode disclosed by the invention has the advantages of high discharge potential of 3.05 V, 260 circles of reversible stable charge-discharge cycles and the like at room temperature, and the greenhouse gas CO2 is efficiently utilized; the solid-state secondary battery is expected to be a novel solid-state secondary battery with high energy density and high safety.

The invention belongs to the technical field of catalysts, and particularly relates to a waste PVC derived carbon composite metal material and a preparation method and application thereof. The waste PVC derived carbon composite metal material comprises a carbon carrier, an active component and a modification reagent, wherein the active component and the modification reagent are loaded in the carbon carrier. According to the present invention, with the introduction of the modification reagents, the electronic structure around the active component metal is adjusted, such that the two modification reagents and the active metal component produce the synergistic effect, the metal component can be stably anchored on the carbon carrier, the dispersibility of the active metal is significantly improved, and the catalytic performance of the catalyst is further improved. Meanwhile, the coordination effect between the active metal component and the modification reagent inhibits the loss of the active metal, the content of the active metal component in a high valence state is increased, and the carbon deposition content in the catalyst is also obviously reduced.

The invention relates to the technical field of electrodes for vanadium batteries, in particular to a preparation method of a catalytically active electrode for a vanadium battery, the catalytically active electrode and application of the catalytically active electrode. The preparation method comprises the following steps: loading a bismuth oxide water-phase dispersion liquid as a precursor on the surface of a graphite felt electrode substrate, placing the graphite felt electrode in an inert atmosphere to carry out a carbon thermal reduction reaction, and carrying out a solid-phase reaction on bismuth oxide and the graphite felt carbon substrate in the inert atmosphere to generate a strongly combined catalytic active site in situ. By pertinently controlling the concentration of the bismuth oxide water-phase dispersion liquid and the temperature of the carbon thermal reduction reaction, active components in the prepared catalytic active electrode for the vanadium battery are uniformly and firmly combined on the surface of a matrix, and high uniformity and high stability are shown. And meanwhile, a loading-first and one-step carbon thermal reduction method is adopted, so that large-scale production can be realized, the electrochemical activity of the product is effectively improved, the uniformity and consistency of the performance can be realized, and the multi-dimensional strict requirements of commercial production on the electrode performance and the manufacturing efficiency are effectively met.

The invention relates to the technical field of mode recognition, in particular to a switch cabinet drawer early warning system based on multi-mode perception, and the system comprises the steps: obtaining a visible light video, an infrared thermal image, a mechanical waveform, an electrical time sequence signal and asynchronous event stream data in the operation process of a switch cabinet through a data collection module; a tensor construction module is used for executing geometric mapping correction and timestamp synchronization by taking the visible light video as a space reference, and constructing a multi-modal spatial-temporal feature tensor containing texture, temperature and electromechanical response; the state variable calculation module projects the electrical time sequence signal to an orthogonal feature space, decouples and extracts an active component feature vector, and calculates a dynamic resistance state variable; and the abnormity identification module further constructs a physical information neural network which introduces a physical equation residual error as a constraint term, the tribological parameters are solved through online iteration, and through virtual trajectory comparison and parameter time-varying trend analysis, classified judgment of lubrication failure, mechanical jamming and contact faults is realized.

Conveying unit (1) for a liquid additive, comprising a block (2) with channels (3) to which at least one active component (4) for conveying the liquid additive is mounted, wherein at least three channels (3) in the block (2) open into a cylindrical collecting chamber (5), and a deformable sleeve-shaped element (6) is arranged in the collecting chamber (5), wherein the sleeve-shaped element (6) has at least one sealing lip (26) which seals the collecting chamber against the surroundings of the block.

The invention relates to lead stabilization in a semiconductor package. One or more embodiments generally described are directed to a semiconductor package including a plurality of leads and a method of forming the same. The plurality of leads includes an active lead electrically coupled to the bonding pad of the semiconductor die and thereby to the active component of the semiconductor die, and a passive lead not electrically coupled to the bonding pad of the semiconductor die. The active lead has a surface exposed at the lower surface of the semiconductor package and forms a solder zone, while the passive lead is not exposed at the lower surface of the package.

The invention relates to a preparation method and application of a CoNi alloy nanoparticle doped double-shell hollow carbon material, and belongs to the field of nano material preparation technology and electromagnetic wave absorption application. 3-aminophenol and formaldehyde are subjected to a condensation polymerization reaction to synthesize phenolic resin balls, the phenolic resin balls are placed in 3-aminophenol and formaldehyde again to react, and the double-shell hollow phenolic structure is obtained. And adding the double-shell hollow phenolic aldehyde structure into cobalt nitrate hexahydrate (Co (NO3) 2.6 H2O) and 2-methylimidazole for low-temperature reaction, then adding a solution of (Ni (NO3) 2.6 H2O) for reaction at high temperature and high pressure, and drying to obtain the CoNi alloy nanoparticle doped double-shell hollow carbon material. According to the preparation method disclosed by the invention, the double-shell structure is taken as a main template, and the CoNi alloy nanoparticles are used as active components to be doped in the double-shell hollow structure in situ, so that the cascade synthesis of the microstructure of the nano material is greatly enriched, and the obtained CoNi alloy nanoparticle doped double-shell hollow carbon material has excellent electromagnetic wave absorption performance.

This application discloses a cathode catalyst for aluminum-air batteries and its preparation method. The cathode catalyst comprises a carbon support and at least one platinum-containing multi-element alloy nanowire supported on the carbon support. The platinum-containing multi-element alloy nanowire contains Pt and at least two other transition metal elements, and the aspect ratio of the platinum-containing multi-element alloy nanowire is at least 10. The cathode catalyst of this application exhibits long-term durability under harsh electrochemical environments, higher catalytic activity of the active components, and is less prone to migration and aggregation, thereby solving the technical problems of high cost and poor stability of traditional Pt / C catalysts for aluminum-air batteries.

The present application relates to the technical field of medical materials, and discloses a medical sterilization fiber dressing and a preparation process thereof. The dressing comprises a functional substrate and an electrochemically active component. The functional substrate comprises cyclodextrin grafted chitosan and sodium alginate, and the electrochemically active component comprises zinc powder and copper powder. The dressing utilizes the zinc powder and copper powder to form a micro-battery in an electrolyte environment, releases zinc ions and generates a micro-electric field to kill bacteria. At the same time, the cavity structure of the cyclodextrin grafted chitosan specifically recognizes and includes wound infection markers, and then regulates the reaction rate of the micro-battery, so as to realize the on-demand release of sterilization activity. The preparation process comprises the following steps: mixing the components to prepare a spinning solution, forming in a calcium chloride solution through wet spinning, and then stretching and drying to obtain the fiber dressing. The dressing can respond to the wound infection state, realize on-demand sterilization, and has good biocompatibility.

Heat is passively removed from circuit breaker stabs in a circuit breaker panel (i.e., without the use of active components such as cooling fans), and transferred to the panel chassis for radiant dissipation. A thermally conductive, electrically insulating (TCEI) material is interposed between the breaker stabs and the chassis. The TCEI material both spreads heat from each breaker stab over a large area, and passively conducts the heat to the panel chassis. In some embodiments, heat spreaders attached to the breaker stabs and embedded in the TCEI material, and / or a main heat sink interposed between the TCEI material and the circuit breaker panel chassis, enhance the passive conductance of heat from the breakers to the chassis for radiant cooling.

The invention discloses a lithium metal negative electrode with a three-dimensional composite structure layer and a preparation method thereof, and relates to the technical field of lithium metal negative electrodes, the lithium metal negative electrode comprises a modified polymer base membrane, a lithium-loving transition layer and a lithium metal layer which are sequentially compounded from inside to outside; the modified polymer base membrane is a composite membrane of a polymer base material and a functional filler, the thickness is 10-30 microns, and the tensile strength is greater than or equal to 20 MPa; the thickness of the lithium-loving transition layer is 1-5 [mu] m, the interface peel strength is greater than or equal to 5 N / m, the lithium ion conductivity is greater than or equal to 1 * 10 <-4 > S / cm, and the lithium-loving transition layer is composed of a lithium-loving active component and a polyvinylidene fluoride binder; and the thickness of the lithium metal layer is 50-150 [mu] m. According to the lithium metal negative electrode with the three-dimensional composite structure layer, a three-layer composite structure with a modified polymer base membrane as a supporting framework, a lithium-loving transition layer as an interface bridge and a lithium metal layer as an active main body serves as a core, and the problems that an existing lithium metal negative electrode is prone to breakage, poor in interface adhesion and insufficient in cycling stability are solved.

An example embodiment includes: obtaining a specification of a target deformation shape for a substance, wherein the substance has a plurality of material control points with respective curvatures and arc lengths defining the target deformation shape, and wherein the substance includes thermo-active components and non-thermo-active components; determining a set of relations between indications of presence of the thermo-active components or the non-thermo-active components, orientations of the thermo-active components, and deformation capabilities of the thermo-active components; providing, to an optimization solver application, the specification, the set of relations, and instructions to determine values of the presence of the thermo-active components or the non-thermo-active components within the locations of the target deformation shape and the orientations of the thermo-active components, such that the substance can attain the target deformation shape in response to a temperature change when in a non-deformed state; and receiving, from the optimization solver application, the values as determined.