49results about How to "Guaranteed electrical conductivity" patented technology

The present application relates to the technical field of electric control switch, in particular to a kind of motorcycle disc brake control switch, including shell, two wiring copper sheets, electricity connection copper sheet, slider and cover plate, installation cavity is provided in the shell, installation groove is opened in the symmetrical two inner side walls of installation cavity, and two The wiring copper sheet is fixedly inserted in installation groove;The present application is closed by the setting of cover plate and sleeve, the part of wiring copper sheet in installation cavity is isolated with external environment with electricity connection copper sheet, and the inside of the position of wiring copper sheet through shell can be sealed with sealing glue, simultaneously still can be filled into inert gas in installation cavity, to avoid the water vapor in environment into installation cavity, cause the part of wiring copper sheet in installation cavity and electricity connection copper sheet corrosion Problem, guarantee the conductive property of wiring copper sheet and electricity connection copper sheet, guarantee the stability and waterproof performance of motorcycle disc brake control switch.

The utility model relates to the technical field of winding equipment, and discloses a winding device for a carbon-coated aluminum foil, which comprises a base, a winding device and a winding device, the deviation rectifying mechanism is arranged at the top end of the base; the deviation rectifying mechanism comprises a fixing frame, the bottom end of the fixing frame is fixedly connected with the top end of the base, a driving motor is fixedly installed on the fixing frame, and an output shaft of the driving motor is fixedly connected with a screw in a sleeved mode. According to the winding device for the carbon-coated aluminum foil, due to the design of the deviation rectifying mechanism, the defects in the prior art are effectively overcome, the guide plate can be flexibly adjusted according to the size specification of the carbon-coated aluminum foil, the winding device can be matched with both narrow-width aluminum foil and wide-width aluminum foil, the application range of the winding device in diversified production scenes is greatly expanded, and the winding device is suitable for popularization and application. And the aluminum foil is effectively prevented from deviating, wrinkling and the like in the winding process, the winding quality is greatly improved, and then the performance and production efficiency of the lithium ion battery are guaranteed.

The utility model provides a contact device, a relay and electric equipment. Relates to the technical field of electronic devices. The contact device comprises a contact body, a contact piece and a connecting piece. The contact element is connected with an external circuit; one of the contact piece and the contact body is a copper piece, and the other one of the contact piece and the contact body is an aluminum piece; the connecting piece is arranged between the contact body and the contact piece. The contact body and the contact piece are connected into a whole through the connecting piece, so that the problems of corrosion of a primary battery and difficult combination caused by direct contact of the contact piece and the contact body are avoided, the conductivity between the contact piece and the contact body is ensured, the connection strength of the contact piece and the contact body is improved, the service life of the contact device is prolonged, and the service life of the contact device is prolonged. The connection resistance between the contact device and the busbar is reduced, and the use performance of the contact device is improved.

The invention discloses a conductor equipment core component cross-scale near-net shape manufacturing method, and relates to the technical field of additive manufacturing, and the conductor equipment core component cross-scale near-net shape manufacturing method comprises the following steps: S1, in a forming process, synchronously executing macro-scale and micro-scale monitoring, and associating two types of data through coordinate calibration to obtain cross-scale associated data; and S2, based on the cross-scale associated data, performing fusion analysis with real-time process and environmental parameters, and outputting a process parameter adjustment direction according to conductor exclusive analysis logic. According to the cross-scale near-net-shape manufacturing method for the core component of the conductor equipment, the overall manufacturing quality and production efficiency of the core component of the conductor equipment can be remarkably improved, the deviation of the size and the organization structure is recognized in real time in the forming process through synchronous monitoring and data fusion of the macroscale and the microscale, and the manufacturing quality of the core component of the conductor equipment is improved. And intelligent analysis is carried out based on the characteristics of the conductor material, and dynamic optimization and closed-loop regulation and control of process parameters are realized.

This application discloses a composite photovoltaic ribbon and a photovoltaic module. The ribbon includes a ribbon substrate, which comprises an aluminum layer and a copper layer. The copper layer includes a first copper layer disposed on at least a portion of the outer peripheral surface of the aluminum layer. The mass ratio of the copper layer to the aluminum layer is 1:9 to 9:1, and the thickness of the first copper layer is greater than or equal to 2 μm. This application differs from the prior art in that it uses only copper as the ribbon substrate by adding an aluminum layer, reducing the amount of copper used and lowering the cost of the ribbon substrate. Furthermore, by limiting the mass ratio of the copper layer to the aluminum layer and the thickness of the copper layer, the electrical conductivity and mechanical properties of the ribbon substrate are ensured to meet requirements.

The present application relates to a kind of cylindrical electrode paste and its preparation method.A kind of cylindrical electrode paste, by mass parts, including 15-20 parts of anthracite main material, 25-40 parts of residual anode, 3-10 parts of graphite fragment, 25-35 parts of coke, 15-30 parts of organic binder, 6-18 parts of bio-based binder. Among them, organic binder includes medium temperature pitch, anthracene oil, beta resin. Among them, bio-based binder includes carbonized hydrophobic composite modified wood bamboo powder, sodium carboxymethyl cellulose. The carbonized hydrophobic composite modified wood bamboo powder of the present application and sodium carboxymethyl cellulose are compounded to form a bio-based binder, which cooperates with the organic binder to ensure the bonding strength, high temperature resistance and electrical conductivity of the cylindrical electrode paste, while realizing the green and low-carbon utilization of biomass, solving the problems of high temperature failure, moisture absorption and easy caking, and many pores of traditional bio-based binder, reducing the resistivity and production cost, and improving the structural density and use stability.

The embodiment of the present application provides a kind of battery and processing method of battery cell assembly primary structure.The battery cell assembly primary structure includes: battery cell body, the battery cell body has tab portion, the tab portion includes a plurality of sub-tab arranged in the thickness direction layer by layer, the tab portion includes the first face and the second face opposite in the thickness direction, the first face is used to be connected with cover plate;Exhaust assembly is at least provided to the first face, the exhaust assembly includes a plurality of first recesses arranged in the first face array, the first recess is used to provide gas escape path when the tab portion is welded with the cover plate.The battery cell assembly primary structure of the present application, when the tab portion is laser welded with the cover plate, part of the sub-tab that constitutes the inner wall of the first recess melts, forms gas escape path, reduces the influence on production rhythm.

This application relates to the field of functional paste technology, specifically disclosing an aqueous conductive silver paste comprising the following components: 50-60% silver-coated copper powder, 0.5-1% sodium polyacrylate, 1.5-3% sodium carboxymethyl cellulose, 0.5-1.5% polyvinyl alcohol, 0.3-2.0% co-povidone, 0.5-4.0% fumed silica, 0.2-2.0% surfactant, 0.6-1.4% co-solvent, and the balance being 0.08-0.12M sodium dihydrogen phosphate / disodium hydrogen phosphate buffer; the silver content in the silver-coated copper powder is 25-35%; furthermore, the aqueous conductive silver paste may also contain one or more conductive filler additives, namely carbon nanotubes and silver-plated glass microspheres, at a content of 1-4%. The aqueous conductive silver paste provided by this application has advantages such as low cost, good environmental friendliness, low drying temperature, and stable performance, and has good application prospects.

This invention provides an ultralight flame-retardant negative electrode current collector and its preparation method, which is prepared from raw materials comprising the following parts by weight: 20 parts polyimide powder; 60-70 parts copper-plated conductive carbon nanomaterials; 1-5 parts dispersant; and 10-15 parts flame retardant. The copper-plated conductive carbon nanomaterials are copper-plated conductive graphite and / or copper-plated carbon nanotubes. This invention provides an ultralight flame-retardant negative electrode current collector and its preparation method, using polyimide powder as a matrix, copper-plated conductive graphite and / or copper-plated carbon nanotubes as conductive fillers, and adding a flame retardant, which can effectively reduce the density of the current collector while ensuring its conductivity and safety performance.

This utility model belongs to the field of electronic component technology and discloses a low-cost photovoltaic copper-clad aluminum differential mode inductor. The differential mode inductor includes a magnetic core assembly, copper-clad aluminum wire, and copper-aluminum transition terminals. The copper-clad aluminum wire is wound on the magnetic core assembly, and the copper-aluminum transition terminals are welded to both ends of the copper-clad aluminum wire. The magnetic circuit length of the magnetic core assembly is 12.5±0.2cm, and the magnetic core coefficient is 138nH to 163nH. The copper-aluminum mass ratio of the copper-clad aluminum wire is 30:70, and the density of the copper-clad aluminum wire is 3.63×10⁻⁶g / mm³. This utility model's low-cost photovoltaic copper-clad aluminum differential mode inductor uses 30:70 copper-aluminum wire, increasing the cross-sectional area by 20% to compensate for thermal conductivity, reducing costs by more than 50%. Furthermore, through core size optimization and a 45° tilted winding design, weight is reduced, window space utilization is improved, and high efficiency and lightweight design are achieved.

The utility model discloses a bus duct with a quick plugging structure, which comprises at least two bus duct shells, conducting bars distributed at equal intervals are arranged in each bus duct shell through insulating seats, and the conducting bars in the two bus duct shells are spliced and limited and fixed through insulating bolts. The outer sides of the spliced conducting bars corresponding to the insulating bolts are in threaded connection with insulating nuts; two sides of the joint of the two bus duct shells are respectively provided with a limiting plug board, the upper end and the lower end of the joint of the two bus duct shells are respectively provided with a cover plate matched with the limiting plug board, and the cover plates are connected with the two bus duct shells through locking bolts. And the spliced conducting bars are fixed by a single insulating bolt and a plurality of insulating nuts, so that the conductivity of the bus duct is ensured, and the installation efficiency and the connection reliability of the bus duct are improved at the same time.

A semiconductor structure and its formation method are disclosed. The formation method includes: providing a substrate, forming a dielectric layer on the substrate, and forming an interconnect structure penetrating the dielectric layer within the dielectric layer, including a first interconnect opening and a second interconnect opening isolated from each other, wherein the opening size of the first interconnect opening is smaller than the opening size of the second interconnect opening; forming a first interconnect structure in the first interconnect opening and forming a second interconnect structure in the second interconnect opening; wherein the resistivity of the second interconnect structure material is lower than the resistivity of the first interconnect structure material, and the gap-filling capability of the first interconnect structure material is greater than the gap-filling capability of the second interconnect structure material. This invention, through the formation of the first and second interconnect structures, improves both the gap-filling performance of the interconnect structure material and ensures the conductivity of the interconnect structure, thereby improving the electrical performance and reliability of the device, such as back-end electrical performance and electromigration (EM) performance.

The present application provides a sunlight-resistant colored electrochemical energy storage fabric based on recycled cotton powder and a preparation method thereof, belonging to the technical fields of flexible electronic textiles and electrochemical energy storage. The preparation method first deposits a TiO2 film on the recycled cotton powder by ALD technology, and then performs mild hydrothermal synthesis to obtain a TMOs@TiO2@CP composite powder with a three-layer nested structure. Among them, the TiO2 film protects the internal recycled cotton powder from erosion during the hydrothermal reaction and is tightly combined with the TMOs functional layer through Ti-O-TM covalent bonds, improving the structural stability and interfacial bonding force of the composite powder. The present application uses the inherent color characteristics of different transition metal oxides to replace traditional black carbon-based materials, endowing the energy storage fabric with rich color choices and meeting the aesthetic and design requirements of high-end textiles. The process route of the present application avoids the damage to the inherent flexibility and structure of cotton fabrics by drastic means such as high-temperature carbonization.

A flexible, stretchable grounding device, belonging to the field of marine technology, includes a grounding structure with connecting shafts at both ends. The grounding structure comprises two sleeves, with a braided wiring strip placed between them. Wire ends are fixedly installed at both ends of the braided wiring strip, and a fixing pad is fixedly installed inside the sleeves. The connecting shafts are fixed between the equipment body and the ship structure using bolts and tightened. Since the sleeves are made of multiple single-wire braids, they have a certain degree of tensile strength, allowing for some displacement when connecting the equipment body and the ship structure. This avoids the possibility of the yellow-green grounding wire breaking off from the equipment body or ship structure without requiring sufficient displacement margin. Furthermore, its surface is coated with a tin-zinc anti-corrosion coating, ensuring conductivity, tensile strength, and good corrosion resistance.

This disclosure provides a semiconductor device and a method for forming the same, relating to the field of semiconductor technology. The method includes: providing a substrate; forming a metal layer on the substrate, the metal layer including a plurality of spaced conductive portions; sequentially forming an insulating layer and a mask layer on the metal layer, the mask layer including a plurality of mask patterns, the orthographic projection of the mask patterns on the substrate covering the orthographic projection of the conductive portions on the substrate; etching the insulating layer through the mask layer to form trenches exposing the conductive portions; and removing the mask layer using an oxygen-free stripping gas. The semiconductor device formation method provided by this disclosure, by etching the insulating layer through the mask layer to form trenches exposing the conductive portions, and by using an oxygen-free stripping gas to remove the mask layer, avoids oxidation of the metal layer caused by the stripping gas during mask layer removal, thereby solving the problem of poor connection due to oxidation of metal wires.

The utility model relates to the technical field of mass spectrometers, and provides a Faraday cup detection device for xenon isotope, which comprises a receiver shell, a receiver terminal flange and a receiver mechanism, a first through groove matched with the receiver mechanism is formed in the top of the receiver shell, the receiver terminal flange is fixedly connected with the receiver mechanism, the receiver terminal flange is further fixedly connected with the receiver shell, and the receiver mechanism is provided with a plurality of shielding pieces used for grounding. Specific slit spacing is set for deflection of xenon isotope passing ions in a magnetic field, and a grounded shielding sheet is additionally arranged between two Faraday cups, so that mutual interference between the Faraday cups is effectively prevented, and the accuracy of final abundance ratio calculation is improved.

The utility model discloses a motorcycle front magnetorheological damper and motorcycle, including working cylinder, guider assembly, piston assembly, floating piston assembly, magnetorheological fluid, outer tube support assembly, ECU control unit and sensor, guider assembly, piston assembly and floating piston assembly are located in the inside of working cylinder, and piston assembly includes built -in solenoid and damping passage, and damping passage penetrates the upper and lower end of piston assembly, and magnetorheological fluid fills the working cavity between guider assembly and floating piston assembly, and, outer tube support assembly is at least partially coated in the outside of working cylinder, and is connected with guider assembly, and ECU control unit and solenoid electric connection are used for the signal adjustment input to solenoid's current according to sensor, like this through solenoid and the combination of magnetorheological fluid, ECU control unit can real -time regulation magnetic field intensity, change the viscosity of magnetorheological fluid to dynamic control damping force.

The utility model relates to a power distribution cabinet technical field discloses a power distribution cabinet of integrated grounding device, including the cabinet, the back of cabinet is provided with the through -going opening, the inside of through -going opening is provided with grounding mechanism and anti -unthreading mechanism, the grounding mechanism includes the turning plate, the turning plate articulates in the inner wall of through -going opening, the one side fixed connection of turning plate is close to cabinet interior has the grounding row, the inner wall screw thread connection of grounding row has the bolt, the outer wall of bolt is equipped with the round grounding piece, the lateral wall fixed connection of round grounding piece has the grounding wire, the inner wall of turning plate penetrates and the sliding connection of limit rod, in the utility model, through the setting of grounding mechanism, can turn over and remove power distribution cabinet to the grounding row outward, make staff be able to easily complete the connection of grounding wire at the back of cabinet, thoroughly solved the trouble of wiring in the narrow cabinet space, greatly promoted the convenience of operation and work efficiency.

The invention discloses a germanium-based barrier impurity band detector material based on plasma activation bonding and a preparation method thereof, and the method comprises the following steps: S1, providing a germanium substrate (1), cleaning the germanium substrate (1), and growing a doped germanium absorption layer (2) on the surface of the germanium substrate (1) by adopting a chemical vapor deposition method; s2, performing plasma activation treatment on the surface of the doped germanium absorption layer (2) and the surface of an intrinsic germanium sheet (3); s3, the surface of the activated doped germanium absorption layer (2) and the surface of the activated intrinsic germanium sheet (3) are aligned and attached, and bonding is carried out; s4, thinning and polishing the bonded intrinsic germanium sheet (3) to form a germanium intrinsic barrier layer; the high-conductivity germanium substrate (1) is a single crystal germanium substrate, the resistance of the substrate is 0.0001-0.02 omega.cm, and the thickness of the germanium substrate is 200-700 microns; ar / O2 mixed gas is adopted in the plasma activating treatment.

The invention discloses an iron ion deposition resistant cathode, a preparation method and equipment wherein the cathode comprises a hydrogen evolution electrode substrate and a composite layer formed on the surface of the electrode substrate, the composite layer is a porous and hydrophobic polytetrafluoroethylene functional layer, and the thickness of the polytetrafluoroethylene functional layer is 50-200 nm. According to the scheme, optimization is conducted from the two aspects of the electrode structure and the film layer composition, iron ions are prevented from approaching and being reduced to the active surface of the electrode in a long-acting mode, and therefore performance degradation caused by iron pollution is greatly relieved, and the long-term operation efficiency and service life of the electrolytic cell are guaranteed.

This invention discloses a battery electrode and a method for preparing a battery cell, a photovoltaic cell, a tandem cell, and a photovoltaic module, belonging to the field of solar cell technology. The battery electrode of this invention is located on the light-receiving surface and the back-light-receiving surface of the battery cell, including multiple main grids extending longitudinally and multiple fine grids extending laterally. The main grids and fine grids intersect to form a grid and are interconnected. A groove structure matching the fine grids is provided on the light-receiving surface or both sides of the battery cell. The fine grids are embedded inside the grooves, and the fine grids directly contact the boron-doped layer of the battery cell on three sides without passivation film obstruction. This invention can significantly reduce contact resistance, improve light blocking, and facilitate efficient photoelectric conversion. This electrode structure can be superimposed with any battery structure, such as xBC, HJT, perovskite tandem cells, etc.

The application discloses a conductive grid and a preparation method thereof, a transparent flexible circuit board and electronic equipment, and relates to the technical field of electronic devices, wherein the preparation method of the conductive grid comprises the following steps: covering a dry film on the surface of a conductor, exposing the dry film, removing part of the dry film through a developing agent, leaving a preset dry film grid corresponding to a preformed conductive grid, performing a first etching process on the exposed area of the conductor, wherein the vertical etching speed is less than the lateral etching speed, so as to form the conductive grid, and after removing the preset dry film grid, performing a micro-etching treatment on the conductive grid through a second etching process; wherein the cross section of the line body of the conductive grid obtained through the first etching process is in a trapezoidal shape, and the cross section of the line body of the conductive grid obtained through the second etching process is in a rectangular shape. The technical scheme provided by the application can prepare a conductive grid which is relatively thick and thin.

The utility model discloses a conductive wire mesh based on a non-metal base material, which belongs to the technical field of conductive materials and comprises a wire mesh structure formed by weaving non-metal wires, the non-metal wires are made of carbon fibers, and a conductive layer is arranged on the surface of the wire mesh structure. According to the conductive wire mesh based on the non-metal base material provided by the utility model, the carbon fiber wire mesh structure is compounded with the conductive layer, so that the conductive wire mesh has the advantages that the surface is smoother and not easy to deform while excellent conductivity and electromagnetic shielding performance are obtained.

This utility model discloses an electronic fastener with conductive function. The conductive fastener consists of a screw, a plug, and a handle. A limiting plate is provided between the screw and the plug, and the limiting plate is integrally formed with the plug and the screw. A slot is provided in the middle of the handle, and the plug is inserted into the slot. A groove is provided on the upper side of the handle, and a threaded hole is provided at the upper end of the plug. The fixing bolt is rotatably installed in the threaded hole. The handle of this utility model is used to increase the uniformity of the screw tip, facilitate the installation and fixing of the screw, and at the same time, it can protect the upper part of the screw through the handle.

This invention discloses an integrated molding process for conductive bearings that are non-conductive and self-lubricating, belonging to the field of sliding bearing manufacturing technology. The invention uses a composite strip with a conductive metal mesh as the metal base and PTFE composite material as the lubricating layer as the substrate. Integrated molding is achieved through a six-station progressive die. First, 2-3 protrusions are stamped on the strip. Then, the stamping pressure drives a 30°-45° wedge mechanism to scrape the lubricating layer from the protrusion surface at a fixed depth. The finished product is obtained through slicing, rolling, extrusion shaping, and stamping flanging. A detachable scraper and pore design optimize the processing flow. This invention achieves automated one-step molding of conductive bearings from strip to finished product, significantly improving production efficiency. The manufactured bearings have low contact resistance and a stable coefficient of friction. After electrophoretic coating, the salt spray test duration exceeds 96 hours, and the product consistency and structural stability are significantly better than traditional processes.

The utility model discloses a silk thread flat pressing device for battery piece production, which relates to the technical field of battery piece production and comprises a main body, an air pressure device is arranged on the main body, a plurality of air cylinder devices are arranged below the air pressure device, and the output end of the air pressure device is communicated with the input end of each air cylinder device. The output end, located on the bottom face, of each air cylinder device is connected with a flattening block, and the air pressure device is an air compressor. The multiple air cylinder devices are driven through the air pressure device, compared with a traditional eccentric roller or a special-shaped shaft, the rolling efficiency is higher, the multiple air cylinders act synchronously, it is guaranteed that the flattening block outputs pressure evenly, insufficient or excessive deformation of a wire caused by pressure fluctuation is avoided, and the conductivity and the connection precision of battery pieces during welding are guaranteed.

This invention discloses a conductive network coating modified high-nickel ternary cathode material and its preparation method, belonging to the technical field of modified ternary materials. It comprises: a high-nickel ternary cathode material, an inner coating, and an outer coating; the chemical formula of the high-nickel ternary cathode material is LiNi. x Co y Mn 1‑x‑y O2, x=0.8~0.9, y=0.05~0.15; the inner coating is a lithium titanate coating, which coats the surface of the high-nickel ternary cathode material; the outer coating is a conductive polymer-conductive carbon composite coating, which coats the surface of the inner coating; the conductive polymer-conductive carbon composite coating consists of poly(3,4-ethylenedioxythiophene) and conductive carbon. The conductive network coating modified high-nickel ternary cathode material prepared by this invention has a high discharge specific capacity and good cycle stability.

The invention provides a corrosion-resistant terminal and a manufacturing method thereof, and belongs to the technical field of electric connectors. The copper-based porous anchoring layer and the nickel-phosphorus compact barrier layer are arranged between the copper alloy matrix and the outer contact layer, so that a coating system has a synergistic effect in structure and function. The copper-based porous anchoring layer improves the mechanical bonding strength between the plating layer and the substrate through a controlled microporous structure of the copper-based porous anchoring layer, and relieves interface stress concentration caused by thermal cycle and mechanical load, so that the cracking and stripping risks of the plating layer are reduced; the nickel-phosphorus compact barrier layer has excellent compactness and barrier performance, so that a corrosion medium is effectively inhibited from permeating to a matrix along microdefects, and the probability of corrosion occurrence is remarkably reduced; and the non-through pore structure of the copper-based composite porous anchoring layer avoids rapid permeation of a corrosive medium, and the synergistic effect of the two-layer structure remarkably reduces the occurrence risks of pitting corrosion and corrosion under an interface.

The invention relates to a secondary battery and an electric device, and belongs to the technical field of batteries. According to the secondary battery provided by the invention, the first lithium supplementing layer and the second lithium supplementing layer are sequentially arranged on at least one surface of the positive electrode current collector, the first lithium supplementing layer comprises the first lithium supplementing agent, the second lithium supplementing layer comprises the second lithium supplementing agent, and the average particle size P1 of the first lithium supplementing agent is smaller than the average particle size P2 of the second lithium supplementing agent. The first lithium supplementing layer and the second lithium supplementing layer are arranged on the surface layer of the positive electrode current collector, so that a lithium supplementing agent can be prevented from reacting with slurry to generate gel, the stripping force of a pole piece is improved, and the compaction density of the lithium supplementing layer can be improved while the conductivity of the lithium supplementing layer is ensured, so that the first coulombic efficiency of the battery can be effectively improved, and the service life of the battery is prolonged. And the energy density and the cycle performance are improved.

This invention belongs to the field of welding technology and discloses a welding auxiliary device and a welding assembly method. The welding auxiliary device includes a straightening assembly and a support plate. The straightening assembly includes a clamping block, which is disposed on the welding test plate and abuts against it along its length. The support plate is disposed on the side of the welding assembly platform and supports the welding test plate. An clearance groove is provided on the support plate to accommodate the FGB gasket. Using this welding auxiliary device, the welding assembly method can enhance the rigidity of the welding test plate, prevent bending deformation during welding, improve welding quality, and eliminate the need for laborious leveling of the welding test plate and automatic welding carriage. The construction process is simple and the welding efficiency is high. Furthermore, it effectively prevents the weld material from sticking to the welding assembly platform below after the FGB gasket is welded through, saving subsequent processing time and steps.