119 results about "Conductive coating" patented technology

This invention discloses a high thermal conductivity duplex cast steel housing for a high-speed permanent magnet motor and its preparation method. The high thermal conductivity duplex cast steel housing for a high-speed permanent magnet motor comprises the following components by weight percentage: C 0.3-0.45%, Cr 5-10%, Si 0.4-0.7%, Mn 0.5-1.5%, Mo 1-2%, Ni 2-3%, W 0.8-1.8%, Ti 0.05-0.1%, with the balance being iron and unavoidable impurities. This invention optimizes the alloy composition and controls the content of each element, while simultaneously applying a thermally conductive coating to the surface of the housing. This results in a housing with both excellent heat dissipation capacity and high-temperature strength, solving the problems of excessive temperature rise and thermal deformation of the housing under high-speed motor operation.

The invention discloses a continuous flexible conductive material preparation device and method.The device comprises a continuous flexible material, a guide roller and a conductive coating assembly, the assembly is sequentially provided with a tackifying unit, a powdering unit, a curing unit, a chemical plating unit and a post-processing unit in the material conveying direction, the center lines of conveying channels of all the units are collinear, and the interface gap is smaller than or equal to 2 mm. The micro-nano metal powder seed source is planted through the powdering device, rapid growth and closing of the micro-nano metal powder seed source are achieved through chemical plating after solidification, a compact conductive network is constructed, and a finished product is obtained.The short-process, rapid, efficient and environment-friendly preparation of the continuous flexible high-conductivity material can be achieved, the prepared material is low in cost, good in conductivity and high in durability, material transmission deviation is avoided, and the continuous flexible high-conductivity material can be obtained. The method improves the compactness of the coating and the consistency of products, recovers redundant adhesion liquid and catalyst particles, reduces the production cost, and is suitable for preparation of continuous flexible conductive materials such as conductive yarns, fabrics and films.

A printable paste for producing an electrical component, including a printable, non-conductive coating, electrically conductive particles and ceramic NTC particles, wherein the electrically conductive particles and the ceramic NTC particles are homogeneously distributed in the printable, non-conductive coating. There is also provided a method for producing a printable paste, a thin film including the printable paste, a method for producing the thin film, and a temperature sensor and an inrush current limiter including the thin film having the printable paste.

This invention discloses an inner tank outer wall heating and insulation component and its heating method for an electric water heater and electric water faucet. The component includes an inner tank, an outer shell, and an insulation component filling the space between them. A thermally conductive coating is provided on the outer wall surface of the inner tank. The insulation component consists of an annular heating element located on the inner side and an insulation layer located on the outer side, with the annular heating element covering and adhering to the thermally conductive coating. This invention reduces contact thermal resistance by filling microscopic gaps with the thermally conductive coating to form a solid thermally conductive medium; it utilizes a water pressure switch connected in series in the power supply circuit to achieve physical linkage between the water circuit and the electrical circuit; and the safety control module adjusts the power based on a PID algorithm and monitors for leakage and dry burning. This invention achieves complete separation of water and electricity, eliminating the risks of scale buildup and leakage, while also solving the problem of delayed thermal response in outer wall heating, resulting in precise temperature control and energy efficiency.

This invention discloses a process for manufacturing a gradient color charging case, specifically including the following steps: S1, pre-treating the charging case substrate, including cleaning, dust removal, oil removal, and drying; S2, applying a base coat to the dried charging case substrate before spraying, using a non-conductive coating process to form a metallic-textured underlayer on the substrate surface; S3, using multi-gun, multi-angle spraying technology, with the help of a fixture, spraying paint multiple times at multiple angles on the edges and sides of the workpiece, controlling the spray gun at a 75% tilt angle to the workpiece surface for high-gloss spraying, achieving a narrow-edge gradient color effect; S4, spraying a layer of high-gloss topcoat and curing, obtaining a finished gradient color charging case with high surface gloss, natural gradient, and wear and stain resistance. This invention, through multi-gun, multi-angle spraying technology, combined with rotating fixture positioning at different angles, utilizes the fan-shaped atomization edge effect of the spray gun to achieve a smooth transition of color from dark to light, making the product appearance more fashionable and unique.

This utility model relates to a multifunctional thermally conductive coating. The thermally conductive coating includes, from bottom to top, a base layer for adhesion, a thermally conductive layer forming a thermally conductive network structure, an insulating layer that increases dielectric breakdown voltage, and a heat dissipation layer that accelerates heat dissipation and reduces interfacial thermal resistance. This multifunctional thermally conductive coating, through the adhesion of the base layer, enables effective connection between the coating and thermally conductive pads. Simultaneously, the thermally conductive layer, insulating layer, and heat dissipation layer contribute to high thermal conductivity, thus achieving a balance between thermal conductivity and adhesion, improving the functionality of the thermally conductive coating. Furthermore, the heat dissipation layer can be connected to heat dissipation devices, further enhancing the balance between thermal conductivity and adhesion.

The application discloses a sleeve type charging roller, which comprises, from inside to outside, a metal core, a buffer conductive layer, an elastic conductive layer, a protective sleeve layer and a surface conductive coating layer; each layer adopts a sleeve type nesting structure, and adjacent two layers are fixedly connected through a conductive adhesive; the sleeve type charging roller adopts a double protection structure of the protective sleeve layer and the surface conductive coating layer; the protective sleeve layer is made of a three-element ethylene-propylene rubber material which is resistant to cracking and wear; the surface conductive coating layer is made of a solidified conductive water-soluble polyurethane coating; and the elastic conductive layer is added with an anti-cracking agent; thus, the technical defect that the surface of the existing charging roller is prone to cracking is effectively solved; even under long-term use, external force collision or high-temperature environment, the charging roller is not prone to cracking, damage and falling-off, and the service life of the charging roller is prolonged.

The invention concerns a glazing (10), comprising a pane of glass (1), a conductive coating (2) on a surface of the pane of glass (1), a data transmission window (3) in or adjacent the conductive coating (2), wherein the data transmission window (3) is at least partly coating-free, wherein the data transmission window (3) comprises, a rectangular portion (4) having a shorter edge (5) and a longer edge (6); and a protrusion (7) from the shorter edge (5) or the longer edge (6), wherein the protrusion (7) comprises an axial portion (8) having an axis parallel with the longer edge (6). A method for manufacturing the glazing and use of the glazing for example as window of a motor vehicle is also claimed. The invention is suitable for radio frequency identification (RFID) transponders operating for example in the UHF frequency band.

This invention discloses an aqueous conductive slurry, its preparation method, and its application, relating to the field of battery conductive materials technology. It includes a solid solute and a solvent, the solvent comprising water and a conductive dispersant. The solid solute comprises a conductive agent, PAA resin, GMA-modified PAA resin, and PAANa in a mass ratio of (50~70):(20~30):(10~15):(1~3). By utilizing the thermosetting and photocuring capabilities of GMA-modified PAA resin, a mixed resin formed by compounding it with PAA resin and PAANa can maintain excellent adhesion even with a low resin content in the aqueous conductive slurry. After being prepared into a conductive coating, this aqueous conductive slurry exhibits excellent adhesion, superior solvent resistance, low internal resistance, good conductivity, good surface smoothness, and good conductivity consistency, demonstrating excellent application value.

This invention relates to an air-cooled fuel cell stack with a coupled three-dimensional porous structure and its adaptive oxygen supply method. The stack includes multiple membrane electrode assemblies (MEAs), bipolar plates, anode plates, current collectors, and end plates. Each MEA includes a catalyst-coated membrane and gas diffusion layers (GDLs) on both sides. A three-dimensional porous conductive structure layer is disposed between the outer surface of the GDL gas diffusion layer on the cathode side of each MEA and the adjacent bipolar plate. This three-dimensional porous conductive structure layer is made of a porous metallic material with high porosity, high conductivity, high thermal conductivity, and corrosion resistance, and at least a portion of its surface is coated with a catalytic / conductive coating. This invention integrates a high-porosity, high-conductivity / thermal-conductivity, and corrosion-resistant three-dimensional porous material in situ on the cathode side, constructing a multifunctional interface layer that combines physical support, current conduction, thermal diffusion, aqueous phase regulation, and gas redistribution functions. This achieves self-breathing, self-humidification, self-drainage, and synergistic adaptive local micro-reactions. The process is simple and suitable for large-scale production.

This invention belongs to the field of conductive coating technology, specifically relating to a highly chemically resistant modified conductive coating and its preparation method. This invention aims to solve the problem of poor long-term stability in existing conductive coatings. The invention involves mixing a diluent with a silane coupling agent, adding carbon nanotubes and graphene, and then ultrasonically treating the mixture to obtain a conductive filler. Epoxy phenolic resin is heated and mixed with a modifier, then heated and stirred before rapid cooling to obtain a modified resin matrix. The modified resin matrix is ​​mixed with the conductive filler to obtain a conductive coating. The conductive coating is heated and mixed with a curing agent, filtered, and then sprayed. After spraying, the resulting coating undergoes a first curing stage and a second curing stage sequentially to obtain the coating product. The conductive coating prepared by this invention exhibits good long-term stability and excellent chemical resistance.

The utility model discloses a kind of fast charging porous double-sided bimetallic layer current collector, belong to the field of current collector, a kind of fast charging porous double-sided bimetallic layer current collector, including support base film, double-sided conductive coating and bimetallic plating layer sequentially arranged from inside to outside, the double-sided conductive coating is composed of first conductive coating and second conductive coating, the first conductive coating and the second conductive coating are respectively arranged on the upper surface and lower surface of the support base film by micro-concave coating, the bimetallic plating layer is composed of first metal plating layer and second metal plating layer, the first metal plating layer and the second metal plating layer are respectively arranged on the upper surface of the first conductive coating and the lower surface of the second conductive coating by electroplating, it can utilize micropore, can make electron or ion penetrate current collector in the direction of vertical current collector, and then shorten ion transmission path, to this end, the charge and discharge speed is improved.

This application belongs to the field of battery manufacturing technology and provides a battery cell, battery device, and electrical equipment. The battery cell includes a housing, a top cover, an electrode assembly, an insulating component, and a thermally conductive coating. The housing has a receiving cavity and an open end. The top cover is disposed on the open end of the housing. The electrode assembly is placed in the receiving cavity and has a top end portion facing the top cover and a bottom end portion opposite to the top end portion. The insulating component is disposed between the top cover and the top end portion. The thermally conductive coating is applied to at least a portion of the insulating component and / or at least a portion of the top end portion. The battery cell provided by this application, by adding a thermally conductive coating and disposing of the thermally conductive coating on the insulating component and / or the top end portion of the electrode assembly, increases the heat transfer rate between the top end portion of the electrode assembly and the outside environment, thereby improving the heat exchange efficiency at the top of the battery cell, reducing the heat exchange difference between the top and bottom of the battery cell, and improving the performance of the battery cell to a certain extent.

This invention relates to the field of conductive coating technology and discloses a highly wettable conductive coating for carbon-coated aluminum foil. The conductive coating for carbon-coated aluminum foil of this invention comprises the following raw materials in parts by weight: 5-10 parts conductive graphite, 20-30 parts carbon nanotubes, 15-20 parts graphene, 20-30 parts polyacrylic acid, 10-15 parts carboxylated nanocellulose, 5-10 parts chitosan-based modifier, 150-250 parts deionized water, and 50-100 parts isopropanol; wherein the conductive fillers are conductive graphite, carbon nanotubes, and graphene; and the binders are polyacrylic acid and carboxylated nanocellulose. This conductive coating not only possesses excellent conductivity but also high adhesion and high wettability, thus showing great promise for application in carbon-coated aluminum foil.

The present invention relates to an intervention device (20) for surgically intervening a target tissue of a human or animal body, comprising a penetrating body (100) arranged to be advanced into the target tissue along an advancing axis (Z+). The penetrating body (100) has an outer surface with a plurality of electrodes (e1, e2, e3, e4, . . . , eN) insulated from each other. More particularly, the penetrating body comprises a substrate base (5), a number N>1 of electrically conducting coatings (cce1, cce2, cce3, cce4, . . . , cceN) and a number M=N−1 electrically insulating coatings (ici1, ici2, ici3, . . . , iciM). A 1st electrically conducting coating (cce1) at least partially covers the substrate base (5), whereas each mth electrically insulating coating of the M electrically insulating coatings ici1, ici2, ici3, ici4, . . . , iciM) partially covers the mth electrically conducting coating of the N electrically conducting coatings (cce1, cce2, cce3, cce4, . . . ) and each nth electrically conducting coating of the N electrically conducting coatings (cce2, cce3, cce4) partially covers the (n−1)th electrically insulating coating (ici1, ici2, ici3). Thus, the outer surface of the penetrating body (100) comprises at least L=N+M sections (e1, i1, e2, i2, e3, i3, e4) alternatingly formed by the N electrically conducting coatings (cce1, cce2, cce3, cce4, . . . , cceN) and the M electrically insulating coatings (ici1, ici2, ici3, . . . , iciM). The present invention also relates to a an intervention system comprising a power supply unit and an intervention device (20; 200) as above described, wherein at least one (cce1) of the N electrically conducting coatings (cce1, cce2, cce3, cce4, . . . , cceN) of the intervention device (20; 200) is connected to the power supply unit such that it forms a cathode and at least another one (cce2, cce3, cce4) of the N electrically conducting coatings is an anode.

Embodiments of the present application provide a conductive coating slurry, a conductive coating, a negative electrode sheet, and a secondary battery. The conductive coating slurry includes a conductive material, a binder, and a liquid-retaining agent, wherein the liquid-retaining agent includes a polymer having a molecular structure as shown in Formula I: Formula I; R is independently selected from an alkylene group of C 1~4 30 to 2500. The embodiments of the present application have the beneficial effects that the ether oxygen atoms in the molecular chain of the polymer in the liquid-retaining agent coordinate with lithium ions (Li + ), thereby reducing the migration energy barrier of Li + and providing an additional ion transport path; at the same time, the polymer can absorb and retain electrolyte to form a local gel phase, so that the electrolyte is uniformly distributed during the charging and discharging process of the battery, which helps to reduce the interfacial impedance, thereby improving the capacity retention rate of the battery, and the interface layer formed by the polymer and the lithium salt can inhibit the oxidation reaction of the electrolyte, thereby improving the high-temperature cycle stability.

This application relates to a side window glass and a vehicle. By setting a heat insulation layer on the glass substrate, the heat insulation layer filters out infrared light from the ambient light incident into the vehicle, thereby reducing solar radiation heat input and optimizing the thermal environment inside the vehicle. Furthermore, by setting a transparent conductive coating at least in the rearview mirror observation area on the glass substrate, the transparent conductive coating heats the rearview mirror observation area in cold or high humidity environments, performing defogging and defrosting, ensuring a clear field of vision in the rearview mirror observation area, maintaining driving safety in rain, fog, frost, and snow. Moreover, the partial arrangement of the transparent conductive coating allows for rapid heating of the rearview mirror observation area, saving heating materials, reducing costs, and lowering energy consumption compared to full-area heating.

An optical isolator includes a polarizer for receiving an optical signal from an optical signal source, a Faraday rotator for rotating a polarization of the optical signal output by the polarizer and outputting the same as a rotator output optical signal, and an analyzer for receiving the rotator output optical signal and for outputting at least a part thereof. The polarizer and the analyzer each include a number of spaced elongated dielectric ridges coupled to the Faraday rotator. Each dielectric ridge has a length direction extending along one surface of the Faraday rotator and pair of spaced sides extending away from the one surface of the Faraday rotator. Each dielectric ridge includes an electrically conductive coating on each side of the dielectric ridge.

This invention discloses a defective graphene-reinforced battery composite electrode and its preparation method, comprising a current collector, a defective graphene conductive coating, and an electrode active material layer; the defective graphene conductive coating is disposed on both sides of the current collector; the electrode active material layer is coated on the defective graphene conductive coating on both sides or on one side; and / or the electrode active material layer is doped with defective graphene nanosheets, or the composite electrode is in the form of a self-supporting electrode, composed of multilayer stacked defective graphene conductive films, the films containing nanopores and defect sites. This invention fully utilizes the high chemical activity of graphene defect sites, enabling it to have the triple functions of conductive additive, bonding bridge, and active lithium storage medium, synergistically optimizing the electrode microstructure and interface performance.

A connecting element, in particular for contacting an electrically conductive coating and / or an electrically controllable functional element in an insulated glazing, includes at least one flat conductor, which is arranged on a first side of an electrically insulating carrier film, and the flat conductor has at least one first connection region with at least one first solder deposit and at least one second connection region with at least one second solder deposit, and at least one second adhesive layer, which is arranged below and / or next to the second connection region on a second side of the carrier film facing away from the first side.

A material having an open-porous structure and a conductive coating comprising carbon fibre fragments formed on the open-porous structure. An electrode for a bioelectrochemical system may be formed using the material.

This invention relates to the field of power cable technology, specifically to an impact-resistant, drag-resistant copper-core cross-linked polyethylene insulated flexible cable and its manufacturing method. The cable comprises a multi-layer stranded conductor, wherein the multi-layer stranded conductor includes a tensile core formed by stranding stainless steel wires and a fine copper wire stranded structure stranded on the outer layer of the tensile core. A tensile layer is provided on the outer layer of the fine copper wire stranded structure, the tensile layer including a tensile fiber core layer and a semi-conductive coating covering the tensile fiber core layer. This application precisely constrains the continuously spirally wound reinforcing ribs through the trough grooves of the skeleton structure, allowing stress to be released through slight sliding during bending. This gives the cable the flexible bending performance of an unarmored cable. Combined with the gradient tensile design that increases layer by layer from the inside out of the conductor and the circumferential clamping effect of the aramid fiber braided layer, the cable maintains excellent flexibility while possessing high tensile strength and impact resistance.

This invention, entitled "A Coating Composition, a Partially Conductive and Insulating Dual-Functional Backsheet for Back Contact Batteries, its Preparation Method, and its Application," belongs to the field of photovoltaic module encapsulation technology. The technical problem to be solved is to improve the battery's resistance to ultraviolet radiation, damp heat, and sand shedding, and to mitigate short-circuit risks. The key technical points are: a coating composition comprising: an adhesive coating, a conductive coating, and an insulating protective coating; the adhesive coating comprising: 0.3wt%-0.5wt% leveling agent, with the balance being modified polyurethane resin; the conductive coating comprising: 1wt%-2wt% adhesion promoter, 65wt%-85wt% copper paste, with the balance being an epoxy resin matrix; the insulating protective coating comprising: 0.5wt%-1wt% abrasion resistant agent, with the balance being fluorocarbon resin.

The application belongs to the technical field of LED display screens, and particularly relates to a fireproof device, a power module and an LED display screen, which comprise a fire extinguishing liquid pipe, a fixed fire extinguishing pipe rubber sleeve, a wiring seat, an incoming wire end and an outgoing wire end. The outer surface of the fire extinguishing liquid pipe is coated with a conductive coating, and the fire extinguishing liquid pipe is placed on the fixed fire extinguishing pipe rubber sleeve. A metal conductive sheet is arranged on the fixed fire extinguishing pipe rubber sleeve, and the metal conductive sheet is electrically connected with the incoming wire end and the outgoing wire end respectively. When the fire extinguishing liquid pipe is placed on the fixed fire extinguishing pipe rubber sleeve, the conductive coating is in contact with the metal conductive sheet, and a conduction circuit is formed. The fire extinguishing liquid pipe is made of a fusible material with a preset melting point. When the ambient temperature reaches the preset melting point, the fire extinguishing liquid pipe is broken, the conduction circuit is cut off, and the fire extinguishing liquid encapsulated in the fire extinguishing liquid pipe is instantaneously gasified into inert gas to cover a protection area and achieve fire extinguishing. The melting of the fire extinguishing liquid pipe triggers the cutting off of the circuit and the integration of the fire extinguishing function in the same device, and the device can respond quickly.

A hermetic enclosure (10) is proposed, comprising at least one glass substrate (12), wherein at least one glass substrate (12) has at least one electrical feedthrough configured as a glass through via (30), the via (30) comprising a conductive rod (32) that electrically connects the inside of the hermetic enclosure (10) to the outside through the glass substrate (12), the portion of the conductive rod (32) facing outward from the hermetic enclosure (10) is completely covered by a conductive coating (40), the conductive coating (40) being a multilayer structure including at least an adhesive layer (42) in direct contact with the conductive rod (32) and a corrosion-resistant layer.

The invention provides a flexible dry electrode material, a flexible dry electrode and a preparation method, equipment and device of the flexible dry electrode. The preparation method of the flexible dry electrode material comprises the steps that a 2D flexible substrate material is provided; coating a conductive coating with a preset thickness on the surface of the 2D flexible substrate material through a surface coating process, and forming a continuous conductive layer on the surface of the 2D flexible substrate material, so that the 2D flexible substrate material with the continuous conductive layer forms a flexible dry electrode material; the flexible dry electrode material is used for collecting electroencephalogram signals. The flexible dry electrode material is formed by coating the continuous conducting layer with the preset thickness on the 2D flexible substrate material, the electrode-skin contact resistance of the flexible dry electrode material can be as low as 50 k omega or below, and the problem that the electrode-skin contact resistance is large when a traditional dry electrode is used for collecting electroencephalogram signals is solved; and the application reliability of the dry electrode in the field of high-precision and long-time electroencephalogram monitoring is improved.

A resistor substrate production method according to the present invention comprises: a coating step for coating an ink that contains a solvent, a thermosetting resin, and conductive particles onto a substrate and forming a conductive coating film; a drying step for drying a workpiece, which is obtained by providing the conductive coating film on the substrate, at a second temperature that is lower than a first temperature at which a curing reaction of the thermosetting resin progresses, and removing the solvent; a hot pressing step for sandwiching the workpiece after the drying step between a first press platen and a second press platen, which are kept at the first temperature, pressing the workpiece, and partially curing the thermosetting resin; and a firing step for placing the workpiece after the hot pressing step into a firing furnace, firing the workpiece at the first temperature, and completing the curing of the thermosetting resin. In the hot pressing step, pressing is performed after a cushioning sheet that is softer than the pressing surface of the first press platen has been placed between the pressing surface of the first press platen and the workpiece. Therefore, the produced resistor substrate has excellent wear resistance with respect to sliding.

The invention relates to the technical field of silver-coated copper powder, in particular to silver-coated copper powder, an electromagnetic shielding conductive coating and a preparation method of the electromagnetic shielding conductive coating. Comprising the steps of copper powder treatment, solution preparation, silver plating treatment, cleaning and corrosion inhibition, silane hydrolysate preparation, powder surface treatment and spray drying. The prepared silver-coated copper powder has excellent cost performance and basic stability, the high-conductivity silver layer and the low-cost copper core are combined, and the raw material cost is remarkably reduced while the conductivity close to 80% or above of pure silver powder is achieved; a compact conductive network is more easily formed in the coating through the sheet structure, and compared with spherical filler, higher shielding effectiveness can be achieved with a lower adding amount; and a foundation is laid for realizing high-efficiency electromagnetic interference shielding for consumer electronics on the premise of controlling the material cost.

To provide a method for manufacturing a conductive coating film composite body which can sufficiently obtain a color difference caused by providing an overcoat layer while suppressing increase in specific resistance of a conductive film as much as possible.SOLUTION: A method for manufacturing a conductive coating film composite body coats a coating composition containing a binder resin and a solvent onto a conductive film containing a conductive filler, a binder resin, and a dye, brings a coating film in an undried state into contact with at least a part of the surface of the conductive film and laminating the coating film thereon, thereby migrates at least a part of the dye contained in the conductive film to the coating film, then dries the coating film, and forms an overcoat layer containing the dye on the conductive film.SELECTED DRAWING: None

This utility model relates to the field of cable technology and discloses a high-efficiency heat dissipation semi-circular arrangement structure liquid-cooled charging pile cable, including a liquid-cooling tube. Multiple negative terminals of the main conductors are arranged on the outer wall of the upper liquid-cooling tube, and multiple positive terminals of the main conductors are arranged on the outer wall of the lower liquid-cooling tube. A control signal conductor is arranged on the outer wall of the positive terminal of the main conductor on the right side. A grounding conductor is arranged on the left side of the outer wall of the control signal conductor, and an auxiliary power conductor is arranged on the top of the outer wall of the control signal conductor. The surface of the liquid-cooling tube of this utility model is coated with a nano-thermal conductive coating and symmetrically fixed on both sides of the liquid-cooling tube in a semi-circular array. The auxiliary power conductor, grounding conductor, and control signal conductor are placed in the gaps around the liquid-cooling tube. Therefore, by combining the semi-circular conductor array with the liquid-cooling tube, both heat dissipation efficiency and flexibility are improved, meeting the needs of daily use.