359 results about "Active component" patented technology

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.

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.

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 relates to the technical field of electrical fault detection, in particular to an online fault judgment and automatic detection method for a marine cable, which comprises the following steps of: acquiring ground leakage current and load current in operation, extracting an active component of the leakage current and analyzing the nonlinear correlation between the active component and the load current to realize online early warning of insulation degradation; when the ship is in a working condition of allowing short-time power failure of partial non-critical loops, positioning a fault branch based on a normalization result of the ground capacitance variation before and after the power failure of each branch and the cable length; after power supply is recovered, the fault type is judged by combining the leakage current fundamental wave and phase voltage phase difference and the harmonic distortion rate; during power-off maintenance, high-frequency carrier waves are injected, the position of a fault point is determined according to current attenuation abnormity, correction is carried out by combining temperature and vibration factors, and the detection accuracy and the positioning precision are improved.

The invention provides a preparation method of a bidirectional pulse electrodeposition composite nickel-based electrode. The preparation method mainly comprises the following steps: (1) pretreating a nickel-based substrate; (2) in a nickel-based salt electroplating aqueous solution, carrying out electro-deposition on the treated nickel-based base material by adopting bidirectional pulse current to obtain a composite nickel-based electrode material; and (3) drying the obtained composite nickel-based electrode in a nitrogen oven to obtain the composite nickel-based electrode. Compared with the existing electro-deposition technology, the bidirectional pulse type electro-deposition method can effectively form a compact, wear-resistant and scouring-resistant load catalyst layer, can significantly improve the loading and dispersion of electrode active components, and at the same time, nickel-based metal and auxiliary active metal are mutually doped to form multi-element metal load, so that the performance of the electrode is improved. The electro-catalysis effect is greatly promoted through the electron action between different atoms, and the water electrolysis performance is effectively improved. Compared with constant-current electrodeposition, the method is simple in process condition, stable in performance, high in water electrolysis efficiency and easy to industrially expand, and has important industrial application prospects.

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 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 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.

This high-frequency signal generation device is provided with: (A) a clock signal generation unit that generates a clock signal using a harmonic component generated by an amplifier having nonlinearity; (B) a direct digital synthesizer (DDS) that generates a frequency signal having a frequency set by the frequency setting data, using the clock signal as a system clock for operating the internal processing; and (C) a frequency-increasing unit that is configured from a non-active frequency multiplier that does not use an active element, and that increases the frequency of the frequency signal generated by the DDS. A clock signal is generated using a harmonic component generated by an amplifier having nonlinearity, and in a frequency variable function, a delay time is shortened to cope with a high speed, and spurious and phase noise are suppressed to cope with a high C / N ratio.

A module is used in a semiconductor composite device that supplies a direct-current voltage adjusted by a voltage regulator including a semiconductor active element to a load. The module includes a capacitor layer including at least one capacitor portion forming a capacitor, a connection terminal used for electrical connection with at least one of the voltage regulator and the load, and a through-hole conductor formed to penetrate the capacitor portion in a thickness direction of the capacitor layer. The capacitor is electrically connected to at least one of the load and the voltage regulator with the through-hole conductor interposed between the load and the voltage regulator.

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.

Thermal control devices and methods to provide improved control, speed and efficiency in temperature cycling are provided herein. Such thermal control device and methods can include one or more active elements, such a thermoelectric cooler device, that is controlled by an algorithm that regulates a temperature distribution of an adjacent reaction-vessel according to a temperature distribution command trajectory and estimated reaction-vessel temperature distribution. Some embodiments include two active elements that are bilaterally applied to opposing sides of the reaction-vessel. In some embodiments, the estimated reaction-vessel temperature is determined based on a state of power electronics of the element and a temperature output of one or more sensors of a portion of the element and / or an ambient environment of the reaction-vessel. Methods of calibration of such systems utilizing a thermal calibrator as a proxy for the reaction-vessel are also provided herein.

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.

A nitride semiconductor device is a nitride semiconductor device including an active element and a passive element, and includes: a nitride semiconductor layer divided into an active region and an inactive region in a plan view; and a metal layer in contact with the nitride semiconductor layer in the inactive region. The active element is provided in the active region, and the passive element is provided in the inactive region. The metal layer includes a coherent state or a metamorphic state relative to the nitride semiconductor layer.

The invention provides a method for preparing a silicon-carbon negative electrode material by using a waste photovoltaic module, which comprises the following steps of: (1) disassembling and crushing to obtain silicon / silver / aluminum / EVA (Ethylene Vinyl Acetate) mixed powder; (2) carrying out alkali etching to obtain etched silicon / silver / EVA (Ethylene Vinyl Acetate) powder; (3) synergistic carbonization coating: constructing a double-layer carbon coating structure of'inner layer hard carbon-outer layer soft carbon 'on the surface of the silicon particles in situ to obtain a silicon-carbon composite material; (4) carrying out heat-moisture treatment, so that the catalytic active component is stably anchored on the surface of the material, and the transition metal salt is decomposed into metal oxide to obtain a graphite / silicon carbon material; and (5) performing in-situ catalytic growth of a carbon nanotube on the graphite / silicon carbon material to obtain the silicon carbon negative electrode material with a porous silicon-carbon tube-double carbon layer three-dimensional conductive network structure. The silicon-carbon negative electrode material obtained by the invention has high specific capacity, excellent cycle stability and rate capability.

1. A phased antenna array calibration station, comprising: an enclosure including: a rectangular first internal room including at least one exterior door, a power supply, a cooling unit, a control device configured to control power, cooling, and testing within the second internal room, and an antenna under test (AUT); and a rectangular second internal room including at least one interior door abutting the first internal room, an opening in one wall of the second internal room, radio frequency (RF) absorbing material covering all interior surfaces of the second internal room, and at least one movable electromagnetic interference (EMI) shield configured to form an EMI seal around the opening and active elements of the AUT aligned with the opening; and a support fixture configured to support the AUT and align the active elements of the AUT with the opening in the second internal room including a cooling and electronics unit (CEU) configured to cool the AUT and operate the AUT.

The invention discloses a silicon-carbon composite material and a preparation method thereof, an electrochemical device and electronic equipment. Particles of the silicon-carbon composite material comprise a porous carbon matrix and a carbon coating layer arranged on the surface of the porous carbon matrix, and the porous carbon matrix sequentially comprises an inner core area and a buffer area from inside to outside in the radial direction; a first active component is embedded in the inner core area, and the first active component comprises a silicon-based material; and a second active component is embedded in the buffer region. An electrochemical device (especially a lithium ion battery) obtained by using the silicon-carbon composite material as a negative electrode material has excellent capacity performance and cycling stability, and the initial DCR is low.

Described herein are oil-cooled power inverters having various features enabling efficient cooling and compact design. For example, an oil-cooled power inverter may comprise a power inverter PCB comprising a plurality of power transistors thermally coupled to liquid-cooled blocks. Cooling fluid is distributed to the liquid-cooled blocks from a volume partially defined by a manifold and the power inverter PCB. A power inverter board may electrically connect with a plurality of terminals and have pass-throughs enabling cooling liquid to pass from the volume, through the PCB, to the liquid-cooled blocks, while preventing cross-flow of cooling fluid between channels. When the cooling fluid is a dielectric fluid, arrangement of components enables direct contact of the cooling fluid with some electrically active components. The power transistors may be thereby cooled by contact with the liquid-cooled blocks. Arrangement of components enables both efficient liquid cooling and compact design of the oil-cooled power inverter.

The present application belongs to the technical field of wastewater treatment, and discloses a coal gasification slag-based composite particle electrode, a preparation method thereof, and a solar-driven photoelectric synergistic three-dimensional electrode reactor device. The coal gasification slag-based composite particle electrode is obtained by loading nickel oxide and copper oxide active components on coal gasification fine slag as a carrier after activation treatment. The three-dimensional electrode reactor containing the composite particle electrode comprises a reactor shell, an anode plate, a cathode plate, a particle electrode layer, an aeration system, a solar light condensing device, a solar energy supply system, and a power supply, and preferably further comprises a circulating system. The specific surface area and active sites of the carrier are increased through activation treatment, and the synergistic catalysis of nickel oxide and copper oxide is utilized to achieve simultaneous and efficient removal of ammonia nitrogen and humic acid in landfill leachate. The present application utilizes coal gasification solid waste resources in the field of water treatment, and has simple preparation method, stable particle electrode performance, and high treatment efficiency.

This invention provides a butyl sealant for edge sealing and its preparation method, belonging to the technical field of photovoltaic module encapsulation materials. The butyl sealant provided by this invention, through optimized formulation design, significantly improves electrical insulation and flame retardant properties while maintaining the excellent moisture barrier properties of butyl rubber. It also exhibits good application performance, meeting the requirements of high-voltage systems above 2000 V and 6-8 mm narrow-bezel modules. Furthermore, the preparation method of this invention employs a segmented mixing process, selecting appropriate mixing temperatures and speeds based on the characteristics of different components. This ensures thorough dispersion of each component while preventing degradation of active components, guaranteeing the stability and consistency of product performance.

The invention belongs to the field of sodium ion battery binders, and discloses a conductive-bonding difunctional polymer binder, a preparation method thereof and an application of the conductive-bonding difunctional polymer binder in a sodium ion battery. According to the invention, a strong reducing solution is prepared from an ether solvent, an aromatic hydrocarbon compound and metal sodium to carry out controllable defluorination on polyvinylidene fluoride, and the C = C-containing conjugated polymer is prepared and endowed with good electronic conductivity. According to an electrode prepared by adopting the conductive binder, the proportion of traditional inactive components can be effectively reduced, the rate capability and the energy density of the electrode are remarkably improved, and wide research prospects and application values are provided for design and development of a high-performance sodium ion battery.

This terahertz device includes: a substrate including a substrate surface; an active element provided on the substrate surface and oscillating or detecting an electromagnetic wave; an antenna electrically connected to the active element; and a circuit member provided on the substrate surface and electrically connected to the antenna. The circuit member includes a curved part curved in a plan view viewed from a Z-axis direction perpendicular to the substrate surface.

The invention relates to an operating device (1), comprising: a first microcontroller (C1) with at least one first measuring input (DIO1), which is designed to detect a measuring potential present at the first measuring input (DIO1) and to output a respective associated detection result dependent on the respective measuring potential; a voltage source with a supply voltage predetermined by two supply potentials (U, GND); a resistor network (W) supplied with the supply voltage, wherein the first measuring input (DIO1) is electrically conductively connected to a first tap (A1) on the resistor network (W); at least one switching element (S1, S2) integrated in the resistor network (W), the switching state of which is changed from at least two switching states by operation of an operator;wherein the resistance network (W) is designed such that a different switching potential applied to the first measuring input (DIO1) is assigned to the respective switching state, wherein preferably at least one switching potential differs from the supply potentials (U, GND); a second microcontroller (C2) superordinate to the first microcontroller (C1), which is designed to receive the respective detection result of the first microcontroller (C1) and to output it to a superordinate control unit (U); at least one active component (ES1, ES2) controllable by the first microcontroller (C1) and / or second microcontroller (C2) and integrated into the resistance network (W), which is controlled such that an interference potential with a predetermined temporal profile is applied as the measuring potential applied to the first measuring input (DIO1);wherein the second microcontroller (C2) is designed to at least temporarily suppress a subsequent output of the detection result to the higher-level control unit (U) in the event that the detection result of the first microcontroller (C1) does not correspond to the predetermined temporal profile of the interference potential during the control of the at least one active component (ES1, ES2), and an associated use and a method.;

Complementary metal-oxide-semiconductor (CMOS) image sensor, comprising: i) a bias junction consisting of a first semiconductor material type and electrically coupled to a voltage source to apply a reverse bias of opposite polarity to a polarity of the first semiconductor material type to the bias junction; ii) a pixel in a pixel array, comprising: a photosensitive element, a first well consisting of a second semiconductor material type, and a second well consisting of the first semiconductor material type, and active CMOS elements used for at least one of 1) reading and 2) resetting the image data acquired by the photosensitive element; and iii) an implanted, buried layer consisting of the second semiconductor material type, extending over a region representing the pixel array below the second well consisting of the first semiconductor material type;wherein the implanted, buried layer, which consists of the second semiconductor material type, is arranged to interact with the blocking bias applied by the voltage source to the bias junction to reduce a parasitic current path between the second well, which consists of the first semiconductor material type and is used by the active CMOS elements, and a substrate, resulting in more uniform pixel-to-pixel performance in an image sensor with two or more pixels.