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840 results about "Cell structure" patented technology

Foamable thermoplastic polyimide and preparation method of wave-absorbing foam thereof

The invention discloses supercritical fluid foaming polyimide wave-absorbing foam and a preparation method thereof.The thermoplastic polyimide is prepared by the steps that aromatic dianhydride, aromatic diamine and aliphatic diamine serve as comonomers, polyimide acid is generated through solution polymerization, and then high-temperature cyclization is conducted; wherein the mole number of the aliphatic diamine accounts for 10-50% of the total mole number of the diamine, and the free volume and glass transition temperature of a molecular chain are effectively regulated and controlled by introduction of the aliphatic diamine; the wave-absorbing foam is prepared by taking polyimide as a matrix, doping 1-20wt% of wave-absorbing filler, and foaming for 1-3 hours in a supercritical carbon dioxide or nitrogen environment at the temperature of 180-220 DEG C and the pressure of 9-25MPa, through molecular structure design, the adsorption capacity and impact resistance of polyimide to carbon dioxide are remarkably improved, and the prepared foam has the advantages of light weight, high porosity, uniform foam structure and excellent heat resistance, can realize effective electromagnetic wave absorption in an X wave band, and is suitable for the fields of aerospace stealth and electromagnetic compatibility protection.
Owner:SOUTHWEST JIAOTONG UNIV

Novel chemical material liquid optical granularity instrument with anti-corrosion sample pool structure

The invention discloses a novel chemical material liquid optical granularity instrument with an anti-corrosion sample pool structure, and relates to the technical field of novel chemical material detection.The novel chemical material liquid optical granularity instrument comprises a pool body and a detection assembly, a sealing cover is arranged at the top of the pool body, a stirring assembly is arranged in the middle of the sealing cover, and the detection assembly is arranged at the top of the stirring assembly; the detection assembly comprises a connecting rod, the top of the stirring assembly is rotationally connected with the connecting rod, and one end of the connecting rod is rotationally connected with a piston rod. The gear set driven by the motor drives the stirring shaft to rotate, so that samples are uniformly mixed by the stirring rod, particle sedimentation is prevented, stirring motion is converted into reciprocating motion of the piston rod by utilizing the connecting rod mechanism, and continuous pumping of a medium is realized by matching with a plurality of one-way valves; meanwhile, the liquid suction head on the stirring rod synchronously sucks samples from different point positions in the rotating process, a dynamic multi-point sampling mode is formed, and accidental errors caused by traditional fixed point sampling are effectively overcome.
Owner:SUIZHOU XINXING NEW MATERIALS CO LTD

Mechanical metamaterial structure based on six-rod six-cable tensegrity structure

The invention relates to a mechanical metamaterial structure based on a six-rod and six-cable tensegrity structure, and belongs to the field of mechanical metamaterials, the mechanical metamaterial structure comprises a six-rod and six-cable tensegrity cell structure, and the tensegrity cell structure comprises corner assemblies, first connecting shafts, fixing rings and middle tensegrity assemblies; under the action of the middle tensioning assembly, when the structure is not subjected to an external load, the structure is subjected to interaction of internal stress, and the balance is achieved in a self-stabilization state; under the state of being subjected to an external load, the structure can generate self-adaptive deformation; and the external load is removed again, and the structure can recover to the initial state. The mechanical metamaterial structure based on the six-rod six-cable tensegrity structure has the advantages of adaptivity, isotropy, negative Poisson's ratio and the like, the tensegrity structure and the mechanical metamaterial structure are combined, and the types of existing mechanical metamaterial cell element structures are enriched; and a brand new direction is opened up for the design, analysis and application of the tensioning mechanical metamaterial structure.
Owner:CHANGCHUN UNIV OF TECH

Semiconductor device

The invention discloses a semiconductor device which comprises a cellular structure, and the cellular structure comprises an N + substrate, an N-drift layer and a functional area. The N-drift layer is located on the N + substrate; the functional region is embedded into one side, away from the N + substrate, of the N-drift layer, the functional region comprises two subunits and a second N + source region, and each subunit comprises a P + contact region, a P-type body region, a first N + source region and a first trench gate structure; the first N + source region is located on the P-type body region, the first groove is located between the P-type body region and the P + contact region, the first gate oxide layer covers the inner wall of the first groove, a first filling groove is formed in the inner wall of the first gate oxide layer, the first gate is filled in the first filling groove, and the P + shielding region of the P + contact region covers the bottom of the first gate oxide layer; and a second N + source region is arranged between the first trench gate structures of the two subunits. According to the device, the effective utilization rate of a channel can be improved, the specific on-resistance is further reduced, and the problem of long reverse recovery time is solved.
Owner:深圳平湖实验室

Cell module having a measuring device for detecting deformation and damage of a cell module frame

A cell module for an electrical energy storage device of a motor vehicle includes at least one cell structure made up of energy storage cells, a metallic cell module frame, enclosing the at least one cell structure, for clamping the energy storage cells, and a measuring device for detecting a deformation of the cell module frame related to cell expansion. The measuring device includes a passive resistive extension sensor having a deformation-dependent electrical resistance and a measuring unit connected to the extension sensor to output an electrical measurement signal characterizing the deformation-dependent electrical resistance of the extension sensor. The extension sensor is formed by the metallic cell module frame, with which the measuring unit is electrically contacted.
Owner:BAYERISCHE MOTOREN WERKE AG

Ferroelectric electret material based on 3D printing and preparation method and application thereof

PendingCN121099896AAdditive manufacturing apparatus3d printElectret
The invention discloses a ferroelectric electret material based on 3D printing and a preparation method and application thereof, and belongs to the technical field of functional materials and intelligent devices, the ferroelectric electret material comprises solid layers and porous layers, the solid layers are bonded to the two sides of the porous layers, and the porous layers are arranged in one of #-shaped grids or circular grids. By optimizing 3D printing parameters and autonomously regulating and controlling a ferroelectric electret material and a foam structure (pore size, pore shape, porosity and thickness), the ferroelectric electret material can stably store charges after polarization. According to the ferroelectric electret material based on 3D printing and the preparation method and application thereof, the printing precision is improved, the solid layer and the porous layer are prepared separately, the cell size is reduced, and the ferroelectric electret material with excellent piezoelectric performance for 3D printing is obtained; and moreover, accurate control of the foam structure of the ferroelectric electret material, material diversification and preparation process simplification are realized, and the ferroelectric electret material has remarkable advantages in performance and application potential.
Owner:BEIJING FORESTRY UNIVERSITY

TBC battery structure and preparation method thereof, and TBC battery

PendingCN121865753AReduce parasitic absorptionExcellent anti-shadow blocking functionFinal product manufactureElectrical batteryBattery cell
The invention discloses a TBC battery structure, a preparation method thereof and a TBC battery, in the structure, a P region and an N region are respectively provided with a P-type / N-type doped polycrystalline silicon passivation layer, and an oxygen-doped polycrystalline silicon layer is arranged between the P region and the N region. The preparation method comprises the step of preparing the P-type / N-type doped polycrystalline silicon passivation layer and the oxygen-doped polycrystalline silicon layer on the P region and the N region. In the structure, the oxygen-doped polycrystalline silicon layer is arranged between the P region and the N region, so that the P region and the N region can be effectively separated, an excellent shadow shielding resisting function of a corresponding assembly can be realized, and the generating capacity of the assembly in a shadow shielding environment can be further improved. According to the preparation method, the design of depositing multiple tunneling oxide layers and polycrystalline silicon layers at a time, the design of a laminated mask, a new isolation mode, an efficient cleaning process and the like are adopted, the problems that an existing TBC battery preparation process is tedious, boron-doped polycrystalline silicon laser ablation residues exist, the investment and generation cost is high and the like are effectively solved, and the preparation method is a brand-new TBC battery route.
Owner:HUNAN RED SOLAR NEW ENERGY SCI & TECH CO LTD

Cell fixing liquid and application thereof

According to the cell fixing liquid, phenol oxidase is used for catalyzing phenol to be oxidized into a quinone structure, the quinone structure reacts with protein amido to form light covalent immobilization, cell immobilization is achieved, a stable hydration environment and membrane protection are provided through the ionic liquid solvent choline dihydrogen phosphate, a phosphate-free buffer system is provided, and cell immobilization is achieved. Therefore, a novel cell fixing liquid is obtained, the cell structure integrity required by cell imaging analysis is effectively reserved, meanwhile, cell staining fluorescence signal interference is avoided, and therefore the accuracy of cell counting and cell imaging analysis is ensured.
Owner:APPLITECH BIOLOGICAL TECH CO LTD

Solar cell, cell assembly, and photovoltaic system

The present disclosure is applicable to the technical field of solar cells. Provided are a solar cell, a cell assembly, and a photovoltaic system. The solar cell comprises: a silicon substrate, which comprises an N region and a P region, wherein the N region and the P region are located on the same surface or two opposite surfaces of the silicon substrate; an N-type doped polysilicon layer, which is arranged on the N region; a P-type doped polysilicon layer, which is arranged on the P region; a first passivation layer, which is provided with several first through holes; a second passivation layer, which is provided with several second through holes; a first electrode, which passes through the several first through holes to come into contact with the N-type doped polysilicon layer; and a second electrode, which passes through the several second through holes to come into contact with the P-type doped polysilicon layer, wherein the contact area of the second electrode and the P-type doped polysilicon layer is greater than that of the first electrode and the N-type doped polysilicon layer. The solar cell of the present disclosure can increase a bonding pull force between a P-type doped polysilicon layer and a second electrode, thereby improving the reliability of a cell structure; and the solar cell can also improve the conductive effect of a P region, thereby improving the conversion efficiency of the cell.
Owner:ZHUHAI FUSHAN AIKO SOLAR ENERGY TECH CO LTD +4

Tumor medical image classification method of zero sample evolution NAS based on double-index collaborative evaluation

The invention provides a tumor medical image classification method of zero sample evolution NAS based on double-index collaborative evaluation, which comprises the following steps: collecting tumor medical image data, and constructing a data set containing a tumor focus image and a normal tissue image; constructing an extended search space based on a cell structure, wherein the search space comprises a basic operation set, the cell structure and a network overall structure; steady-state evolution algorithm parameters are set, and steady-state evolution initialization is carried out to obtain an initial candidate architecture; taking a double-index comprehensive score calculated by the information rate and the FIM stability as a comprehensive index for evaluating the current candidate architecture, updating the candidate architecture through a steady-state evolutionary algorithm based on a dynamic optimization mechanism until the maximum evolutionary algebra is reached, and obtaining an optimal architecture; and training the optimal architecture by using the data set, and carrying out tumor medical image classification by using the trained optimal architecture. According to the method, the dependence on the annotated data is reduced, the consumption of computing resources is reduced, and meanwhile, the diagnosis efficiency and accuracy are improved.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Silicon / perovskite / GaInP three-junction laminated solar cell and preparation method thereof

The invention provides a silicon / perovskite / GaInP three-junction laminated solar cell and a preparation method thereof, and belongs to the technical field of solar cells. The cell adopts a multi-layer stacked structure and sequentially comprises a GaInP cell, a transparent conductive adhesive, a perovskite top electrode, an anti-reflection layer, a transparent conductive electrode, an electron transport layer, a perovskite layer, a hole transport layer, a silicon cell and a back electrode from top to bottom. The GaInP cell is mechanically stacked and integrated with the lower perovskite / silicon cell through the transparent conductive adhesive, spectrum splitting and current matching are completed on the premise of not depending on epitaxial growth, the solar spectrum absorption range is remarkably widened, and the photon utilization rate is improved. According to the cell structure and the preparation method provided by the invention, the perovskite / silicon / gallium indium arsenide three-junction laminated solar cell which is efficient, stable and flexible and can be prepared in a large area can be realized.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST

Perovskite crystalline silicon laminated cell structure and preparation method thereof

The invention discloses a perovskite crystalline silicon laminated cell structure and a preparation method thereof, the structure comprises a crystalline silicon bottom cell, a nanometer tunneling layer and a perovskite top cell which are arranged in sequence from bottom to top, and the nanometer tunneling layer is of a non-full coverage structure. By implementing the structure, the performance of the crystalline silicon / perovskite laminated solar cell can be improved, a perovskite film forming technology suitable for a suede crystalline silicon substrate is developed, the design of the middle tunneling layer is optimized to reduce light loss and non-radiative recombination loss, and the photoelectric performance and stability of the laminated solar cell are remarkably improved.
Owner:SHENZHEN HIKING PV TECHNOLOGY CO LTD

Single cell structure of fuel cell and integrated packaging method thereof

The invention provides a single cell structure of a fuel cell and an integrated packaging method thereof, the single cell structure of the fuel cell sequentially comprises an anode plate, one side of the anode plate deviating from a membrane electrode, namely the upper surface of the anode plate, is integrally injected with glue to form a water field sealing element, and the water field sealing element is wave-shaped and comprises a plurality of wave crests and wave troughs which are arranged in sequence; a membrane electrode and a cathode plate; and the adjacent single battery structures are connected through water field sealing pieces. The anode plate, the membrane electrode and the cathode plate respectively comprise a plurality of frames, so that the three layers of polar plates are respectively divided into a plurality of groups of chambers. The waved continuous structure of the water field sealing element provides a longer anti-leakage barrier for the cooling liquid. And the assembly pressing force is uniformly distributed at each contact point at the wave crest, so that the excessive compression of the water field sealing element and the deformation of the polar plate caused by local stress concentration are avoided, and the long-term sealing property is ensured. The multiple groups of chambers share the hydrogen inlet and the air inlet, so that the isolation space required for additionally arranging the inlets can be reduced, and the space of a power generation area is increased.
Owner:ANHUI ZHONGDING SEALING PARTS

Precise equipment vibration reduction supporting structure based on elastic metamaterial

The invention belongs to the technical field of precision equipment vibration reduction supporting structures, and particularly relates to a precision equipment vibration reduction supporting structure based on an elastic metamaterial, which comprises a precision equipment bottom plate, the precision equipment bottom plate is fixedly welded at the bottom of precision equipment, and the precision equipment bottom plate is fixedly mounted on the mounting ground through fastening bolts. And a damping mechanism is arranged between the precise equipment bottom plate and the fastening bolt. The interiors of the lower vibration reduction columns, the middle vibration reduction columns and the adjusting vibration reduction columns are divided into a plurality of cell structures through the regular hexagonal hole channels distributed in the lower vibration reduction columns, the middle vibration reduction columns and the adjusting vibration reduction columns in a honeycomb array mode, and the cell structures deform to absorb vibration energy and have the reflection and refraction effects on vibration; and finally, wide-frequency-domain and high-efficiency vibration suppression is achieved, stable operation of precision equipment is ensured, the vibration reduction effect is extremely good, and the problems that a traditional rubber vibration reduction pad is narrow in vibration reduction frequency band, and a spring vibration reducer is prone to resonance are solved.
Owner:QIQIHAR UNIVERSITY

Negative Poisson's ratio energy absorption device capable of simulating treetop

The negative poisson ratio energy absorption device comprises a honeycomb structure formed by a plurality of unit cell structure arrays, and each unit cell structure is formed by combining a plurality of plane energy absorption units around the same central axis in a radial shape in a crossed mode. Each plane energy absorption unit comprises an inwards-concave negative Poisson's ratio structure, two bionic treetop structures symmetrically arranged on the upper side and the lower side of the inwards-concave negative Poisson's ratio structure in the axial direction, and two connecting rods horizontally extending from the left side and the right side of the inwards-concave negative Poisson's ratio structure to the outer side. The bionic treetop structure comprises an arc-shaped top and a plurality of supporting rods distributed in a fan shape, one end of each supporting rod is connected to the arc-shaped top, and the other end of each supporting rod is connected to the concave negative Poisson's ratio structure; the device has the advantages that the device can adapt to multi-angle impact, and efficient and uniform energy absorption and light-weight protection are achieved through the negative Poisson's ratio effect.
Owner:SHANGHAI TECHN INST OF ELECTRONICS & INFORMATION

Battery Module and Battery Pack Including the Same

A battery module according to one embodiment of the present disclosure includes a battery cell stack including a first battery cell stack and a second battery cell stack in which a plurality of battery cells are stacked; and a center busbar assembly located between the first battery cell stack and the second battery cell stack. The first battery cell stack and the second battery cell stack are disposed along a direction perpendicular to the direction in which the battery cells in the first battery cell stack or the second battery cell stack are stacked. Any one battery cell included in the first battery cell stack and any one battery cell included in the second battery cell stack are electrically connected through a center busbar included in the center busbar assembly to form a double cell structure, and the battery cell stack includes at least one double cell structure.
Owner:LG ENERGY SOLUTION LTD

Fractal geometry-based anti-ablation performance regulation and control method for anti-ablation material in high-temperature pneumatic environment

The invention provides a method for regulating and controlling the ablation resistance of a high-temperature pneumatic environment ablation-resistant material based on fractal geometry, and belongs to the technical field of thermodynamic functional materials, fractal geometry and high-temperature pneumatic protection. The regulation and control method comprises the steps that an initial geometric configuration of an anti-ablation material is constructed, the anti-ablation material is formed by periodic arrangement of three-dimensional unit cell structures in a plane, and fractal dimensions of the unit cell structures in the initial geometric configuration are determined; layering the unit cell structure according to the similarity between the structure heights, and obtaining the number of layers of the unit cell structure, the duty ratio of each layer and the thickness of each layer; constructing a thermal impedance transfer equation, and determining the thermal impedance of the surface layer by using the fractal dimension, the number of layers, the duty ratio of each layer and the thickness of each layer of the unit cell structure; determining the surface layer heat flux density or ablation rate by using the surface layer thermal impedance of the unit cell structure; and optimizing the configuration of the unit cell structure and the layer structure until the heat flux density or ablation rate of the surface layer of the anti-ablation material meets the requirement, and obtaining the optimized geometric configuration of the anti-ablation material.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Semiconductor device including auxiliary electrode that is electrically connected to a control electrode via a second electrode layer

A semiconductor device includes a semiconductor layer, a first conductive type first region formed in a surface layer portion of a first principal surface of the semiconductor layer, a cell structure having a second conductive type second region formed in a surface layer portion of the first region, a first conductive type third region formed in the surface layer portion of the first region such that third region is in contact with the second region, and a control electrode opposing the second region via a first insulating film adjacent to the second region, the control electrode forming a current path in the second region, a first electrode layer formed on the first principal surface such that the first electrode layer covers the cell structure, and electrically connected to the third region, a second electrode layer formed on the first principal surface separately from the first electrode layer.
Owner:ROHM CO LTD

Lightweight eva composite chemical foaming sole material with bimodal cell structure and preparation method thereof

ActiveCN117720763BPolyesterPolymer science
The application provides a light EVA composite chemical foaming sole material with a bimodal cell structure and a preparation method thereof, and the method comprises the following steps: S1, 50-70 parts of ethylene-vinyl acetate, 10-25 parts of polyolefin thermoplastic elastomer, 20-40 parts of low-molecular-weight thermoplastic elastomer, wear-resistant agent and active agent are mixed, melt homogenization granulation is carried out, and a first material is obtained; the low-molecular-weight thermoplastic elastomer is selected from one or more of polyurethane elastomer, polyester elastomer and polyamide elastomer; S2, the first material, a chemical foaming agent and a crosslinking agent are mixed and then granulated to obtain a second material; S3, the second material is subjected to injection pressure holding and temperature reduction foaming; and S4, the small foaming semi-finished product obtained is subjected to secondary mold pressing to obtain the light EVA composite chemical foaming sole material. The foaming sole prepared by the application has the characteristics of low specific gravity, high resilience and small shrinkage, the physical properties are controllable, and the market prospect is good.
Owner:ANTA (CHINA) CO LTD

An artificial intelligence-based cell three-dimensional structure reconstruction method, device, equipment and medium

This application discloses an artificial intelligence-based method, apparatus, device, and medium for 3D cell structure reconstruction, relating to the field of cell reconstruction. The method includes determining cross-modal fusion features using a multi-scale feature encoder based on point cloud data in the same coordinate system and pre-defined biological prior features, including local feature extraction, global feature extraction based on multi-head relative self-attention, and cross-modal feature fusion; performing dimensionality reduction using an improved local linear embedding manifold learning algorithm based on the cross-modal fusion features; determining topology-enhanced high-dimensional features using a graph convolutional network based on spatial proximity, feature similarity, and biological relevance, using point cloud data in the same coordinate system, pre-defined biological prior features, cross-modal fusion features, and low-dimensional features preserving topological relationships; and performing 3D reconstruction using a decoder based on the topology-enhanced high-dimensional features. This application can improve the accuracy and mechanistic interpretability of 3D cell models.
Owner:HARBIN MEDICAL UNIVERSITY

Adhesive frame structure for thin film battery

This utility model discloses a frame structure for a thin-film battery, relating to the field of thin-film battery technology. The thin-film battery includes two substrates disposed opposite each other and a cell structure located between the two substrates. At least one substrate is provided with a plurality of first recesses, and the first recesses are located on opposite sides of the two substrates. The plurality of first recesses are arranged circumferentially along the cell structure. The first recesses are used to accommodate an adhesive layer, wherein the adhesive layer is used to bond the first substrate and the second substrate to each other. The technical solution provided by this utility model can reduce adhesive loss.
Owner:ZINERGY SHENZHEN LTD

Photovoltaic cell structure, manufacturing method therefor and photovoltaic module

This application discloses a photovoltaic solar cell, a manufacturing method thereof, and a photovoltaic module, . The photovoltaic solar cell structure includes: a back contact solar cell, a soldering portion, an insulating material, and a conductive material. Each of the soldering portion is at least located on a corresponding busbar included in the back contact solar cell. The insulating material covers at least a target part of each finger included in the back contact solar cell. The target part is a part in which a distance between each of the finger and a busbar having a polarity opposite to that of the finger is less than a preset distance. The conductive material is formed on each of the soldering portion, and a height of a top of the conductive material is greater than or equal to a height of a top of the insulating material.
Owner:LONGI SOLAR TECHNOLOGY (TAIZHOU) CO LTD

Wear-resistant soft PVC material and preparation method thereof

PendingCN122628456AFiberAnti bacteria
The application relates to the technical field of materials, and discloses a wear-resistant light-soft PVC material and a preparation method thereof. The PVC material is prepared through mixing and foaming forming processes by taking PVC resin as a base material and taking wear-resistant additive modified materials and the like as additives. The wear-resistant additive modified material is prepared by firmly loading nano magnesium oxide on the surface of polyphenylene sulfide fibers. The addition of the wear-resistant additive modified material can reduce the friction coefficient, reduce the direct wear of the matrix, compensate for the problem of strength reduction of the foaming material caused by the cell structure, and endow the material with broad-spectrum antibacterial properties. Therefore, the application can realize low density, soft hand feeling and good resilience of the PVC material, and significantly improve the wear resistance, scratch resistance and antibacterial properties of the material, and overcome the multiple technical problems that the soft foaming PVC material in the prior art is difficult to be light and soft and wear-resistant.
Owner:JIEYANG JIAYI PLASTIC PROD CO LTD

Cellular structure surface body extension atom space model

1. The name of the design product: cell structure surface extension atomic space model. 2. The use of the design product: for teaching demonstration and auxiliary teaching. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Owner:曾果进

Design method of self-elevating ocean platform

The invention discloses a design method of a self-elevating ocean platform, which comprises the following steps: inserting a lifting type supporting device into a seabed, and mounting a deck on the lifting type supporting device; manufacturing a three-dimensional concave reinforced structure base by using the negative Poisson's ratio concave cell element structure; mounting a three-dimensional concave reinforcing structure base at a preset position on the deck; power equipment is mounted on the three-dimensional concave reinforcing structure base; the negative Poisson's ratio concave cell structure comprises a concave hexagonal structure which comprises a first horizontal cell wall, a second horizontal cell wall, a first concave bending structure and a second concave bending structure; each of the first rhombus structure and the second rhombus structure is composed of four inclined cell walls; the connecting point of the bottom inclined cell wall of the first rhombic structure is connected with the connecting point of the top inclined cell wall of the second rhombic structure; the double-rhombus structure is embedded in the concave hexagonal structure, the top end point of the double-rhombus structure is connected with the first horizontal cell wall, and the bottom end point of the double-rhombus structure is connected with the second horizontal cell wall.
Owner:OCEAN UNIV OF CHINA

A multi-stage separation flotation cell structure

The utility model relates to the technical field of floatation tank, concretely to a multistage separation type floatation tank structure, include: rough separation floatation tank body, fine separation floatation tank body, sweep separation floatation tank body and floatation flow channel, the floatation flow channel is located rough separation floatation tank body and fine separation floatation tank body and the upper end of sweep separation floatation tank body, bubble sieve plate, the top of bubble sieve plate is provided with a plurality of equidistance distribution's bubble hole, the bottom fixed connection of bubble sieve plate inner chamber has a plurality of equidistance distribution's return spring. The utility model has the ability of bubble sieve plate anti - jamming while guaranteeing multistage separation type floatation ability, guarantees the normal operation of multistage separation type floatation tank structure's floatation work, and helps to improve concentrate grade and comprehensive recovery rate.
Owner:HAMI DINGXIN COPPER CO LTD

A battery local reaction abnormality detection method based on magnetic field change direction difference

A method for detecting local anomalies in battery reactions based on differences in the direction of magnetic field changes belongs to the field of battery testing technology. This method acquires spatial distribution images of the magnetic fields of a standard reference battery and a target battery under test, extracts the gradient direction vector fields of local magnetic field changes in the X and Y directions, and constructs a consistency map of the angles between these direction vector fields. This allows for the identification of reorganization or perturbation phenomena of the reaction path in the target battery within a local spatial region. This method does not rely on global mean or template libraries but instead makes point-by-point judgments based on the similarity of spatial directional structures, possessing advantages such as strong physical interpretability, clear anomaly localization, and high adaptability. By utilizing the distribution of directional structural differences, the distribution of local anomaly features can be visualized and analyzed, and combined with spatial morphology, it can be used to infer the type of perturbation and potential mechanisms. This invention is applicable to multiple application scenarios such as battery consistency assessment, process defect identification, electrode aging tracking, and cell structure design optimization.
Owner:HARBIN INST OF TECH

A screening method for hydration and desolvation pathways of aqueous sodium-ion battery electrolyte water cells

The application discloses a kind of aqueous sodium-ion battery electrolyte hydration cell desolvation path screening method, comprising the following steps: step 1: constructing and optimizing the structure model of anion and cation of electrolyte dissolution in electrolyte and aqueous sodium-ion battery electrolyte system model: step 2: the ion hydration cell structure evolution in electrolyte is simulated;Step 3: extracting and optimizing steady-state ion hydration cell from the simulation results of step 2;Step 4: the desolvation path of steady-state ion hydration cell obtained in step 3 is analyzed, and the best path of steady-state ion hydration cell desolvation is obtained.The present application takes the ion hydration mechanism in aqueous sodium-ion battery electrolyte as the core, combines classical molecular dynamics, ab initio molecular dynamics, density functional theory, and studies the steady-state ion hydration cell configuration of electrolyte under different concentrations by multi-scale simulation and screens its desolvation path, to provide theoretical guidance for high-performance aqueous sodium-ion electrolyte design.
Owner:XIANGTAN UNIV

Fine simulation method of CdTe-based II-VI group compound thin film solar cell

The invention discloses a fine simulation method of a CdTe-based II-VI group compound thin film solar cell and a cell structure designed based on the method. According to the method, a physical model of a CdTe-based battery is established through numerical simulation, then the energy band structure of a carrier transport layer is systematically optimized, and the quantitative criteria that a hole transport layer needs to meet the requirements that the Fermi energy level is lower than that of an absorption layer and the hole transport layer has enough positive conduction band offset and an electron transport layer needs to have a wide band gap and moderate positive conduction band offset are determined. And for the optical layer, the optimal thickness of the antireflection layer is determined, the enhancement effect of the optical path gain of the textured structure on optical absorption is quantified, and the maximization of the light capture efficiency is realized. According to the method, through electrical-optical coupling simulation, the CdTe-based solar cell structure of which the conversion efficiency is remarkably improved can be accurately predicted and guided to be designed, the defects that a traditional experiment is high in trial and error cost and long in period are effectively overcome, and a reliable theoretical design and optimization tool is provided for research and development of a high-efficiency and low-cost CdTe-based solar cell.
Owner:NANKAI UNIV

Cell of an energy storage device

PCT designated stageWO2026148003A2Electrical batteryElectro conductivity
The present invention discloses an energy storage device cell that features an electrode assembly on a central shaft. This entire assembly is enclosed within a casing that includes a cover and a bottom, which function as the two opposite external terminals. The electrode assembly consists of two electrode plates, each with tabs, separated by interposed separators. The shaft runs through the electrode assembly, protruding from both the cover and the bottom, establishing a channel of convective flowpathway. Disclosed herein is the shaft in combination with the welded ties that connect the two opposite sets of electrode tabs, integrating electrical and thermal conductivities simultaneously into the cell structure.
Owner:DSTEM LLC