354 results about "Conductive coating" patented technology

The invention provides a bifunctional interface lithium-rich manganese-based positive electrode material as well as a preparation method and application thereof, and belongs to the technical field of lithium ion battery positive electrode materials. The bifunctional interface lithium-rich manganese-based positive electrode material comprises a lithium-rich manganese-based layered oxide core particle, an inner negative thermal expansion inorganic layer coating the surface of the lithium-rich manganese-based layered oxide core particle, and an outer fast lithium ion conducting layer coating the outer side of the inner negative thermal expansion inorganic layer. Through the synergistic effect of inner and outer coating layers, mechanical regulation and control and chemical / ion regulation and control are simultaneously realized on the particle size. Compared with a scheme which only adopts an inert coating, a single lithium ion conductive coating or a single negative thermal expansion coating, the method has the advantages that the thermal-chemical-mechanical coupling failure problem of a positive electrode / solid electrolyte interface in the all-solid-state battery can be more comprehensively solved, relatively low interface impedance, smaller voltage attenuation and higher cycling stability are realized, the preparation process is simple, and the preparation cost is low. The method is suitable for large-scale production.

The present disclose provides a sol-gel paste composition of matter that is provided for application to a substrate to form an electrically conductive coating which can be used, for example, as a resistor in a thick-film resistive heater, which a positive temperature coefficient of resistivity (PTCR) as a consequence of the electronic properties of the electrically conductive semiconductors used in the resistor layer and which exhibits self-limiting behavior at elevated temperatures. The composition includes a sol gel solution in which up to 90% by weight (wt. %) of the solution is comprised of conductive and insulative powders in a uniform stable solution.

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 belongs to the technical field of functional coatings, and particularly relates to a static conductive coating for nonmetal and a preparation method of the static conductive coating. The coating is composed of modified Si-C fluorosilicone resin, conductive nickel powder, ethandiamide and multiple auxiliaries, the modified Si-C fluorosilicone resin is prepared through a double-grafting reaction of mercaptoethanol and vinyl trifluoroacrylate,-S-and-CF groups are introduced into molecules at the same time, and the polarity of the resin and the dispersity of the conductive nickel powder are remarkably improved. The oxadiamide as a polar small molecule synergist can promote the formation of a conductive network and enhance the interface bonding force. The surface resistivity of the obtained coating is about 2.8 * 10 omega / square, the static decay time is 0.38 s, the adhesive force reaches 5B, and the conductivity retention rate after wear resistance exceeds 97%. The coating has excellent static conductivity, adhesive force and environmental stability, is suitable for the surfaces of non-metal base materials such as ABS, PVC and polycarbonate, and can be widely applied to the fields of electronic equipment shells, rail transit interior trim parts, anti-explosion and anti-static terraces and the like.

The invention relates to a secondary battery, a negative pole piece and an electric device. The secondary battery comprises a negative pole piece, the negative pole piece comprises a negative current collector and a conductive coating arranged on at least one surface of the negative current collector, the conductive coating comprises a conductive agent and a first binder, and the first binder comprises polyrotaxane.

A graphene-based composition is disclosed comprising functionalized graphene powder produced by detonation, plasma synthesis, liquid phase exfoliation, mechanical exfoliation among other graphene production methods known in the art. The graphene powder includes oxygen-containing functional groups such as hydroxyl, epoxy, carbonyl, and carboxyl, with a carbon-to-oxygen atomic ratio ranging from approximately 1.0 to 99.0. The powder is dispersed in an organic solvent, non-organic solvent, aqueous medium, surfactant, or POSS-based medium at a solids concentration between about 2% w / v and 30% w / v. Methods of functionalizing the graphene powder and forming dispersions are provided, along with methods of making ink dispersions with polymer binders and printed or coated articles formed therefrom. The graphene formulations exhibit tunable surface chemistry, controlled defect structures as measured by Raman spectroscopy, and stable dispersion properties suitable for applications in printed electronics, conductive coatings, sensing platforms, and lightweight composites.

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 refrigerated display case door glass panel assembly includes a first pane of glass and a second pane of glass bounding a sealed space between the panes, and an electrically conductive coating applied to a surface of the first pane. The coating extending across at least a majority of a viewing area of the first pane. A first pair of electrical buses spaced apart from one another and electrically connected to the coating at respective first and second ends of the first pane, the first and second ends being opposite one another, and a second pair of electrical buses spaced apart from one another and electrically connected to the coating at respective third and fourth ends of the first pane. The third and fourth ends being opposite one another and adjacent to the first and second ends.

The invention discloses bio-based unsaturated polyester resin for a high-thermal-conductivity powder coating, a preparation method of the bio-based unsaturated polyester resin, a powder coating composition and a high-thermal-conductivity coating. The bio-based unsaturated polyester resin for the high-thermal-conductivity powder coating is characterized by comprising the following components: A) unsaturated binary acid / anhydride; b) saturated binary acid / anhydride; c) a diol comprising from 30 to 70 mol% of isosorbide, from 20 to 50 mol% of bio-based 1, 3-propanediol and / or 1, 4-butanediol, and from 0 to 20 mol% of an auxiliary diol selected from one or more of ethylene glycol, neopentyl glycol, hydrogenated bisphenol A; d) an esterification catalyst; and a polymerization inhibitor. According to the bio-based unsaturated polyester resin for the high-thermal-conductivity powder coating, through unconventional bio-based monomers and a special molecular structure design, on the premise of ensuring proper Tg and processability, consideration of high bio-based content and high thermal conductivity is realized.

The lithium battery electrode plate comprises an electrode plate base body, a current guiding layer is arranged on the electrode plate base body, a self-adaptive buffer layer is arranged on one side of the current guiding layer, an ion enrichment layer is arranged on the side, away from the current guiding layer, of the self-adaptive buffer layer, and a conductive coating is arranged on the electrode plate base body. An interface fusion layer is arranged on one side, far away from the self-adaptive buffer layer, of the ion enrichment layer, and the current guide layer is a contact interface layer of the electrode plate substrate; the carbon nanotube array current guide layer which is distributed in a non-continuous net shape is arranged on the electrode plate base body, and is matched with the fast ion conductor material ion enrichment layer with higher ion conductivity to form a conduction-ion transmission synergistic structure, so that rapid and uniform conduction of charges can be guaranteed, efficient enrichment and migration of ions can be realized, and the service life of the electrode plate is prolonged. And the rate capability and the energy output efficiency of the battery are obviously improved.

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.

The invention provides an organic-inorganic hybrid solid-state polymer electrolyte coated high-nickel positive electrode material as well as a preparation method and application thereof, and relates to the technical field of all-solid-state lithium batteries. The high-nickel positive electrode material coated with the organic-inorganic hybrid solid polymer electrolyte comprises an inner core and an organic-inorganic hybrid coating layer coated on the surface of the inner core, the inner core is made of a high-nickel positive electrode material; the organic-inorganic hybrid coating layer comprises a ring-opening copolymer of maleic anhydride and 1, 3-dioxolame, and Li3PO4 nanocrystals are embedded into the ring-opening copolymer of maleic anhydride and 1, 3-dioxolame in situ. According to the invention, a flexible and compact coating layer with ionic conductivity is constructed on the surface of the high-nickel positive electrode material, so that the problems of violent interface side reaction, large interface impedance and poor cycling stability existing between the high-nickel positive electrode material and sulfide solid electrolyte are solved; therefore, the electrochemical performance of the material in a sulfide all-solid-state lithium battery is remarkably improved.

The invention relates to the technical field of energy storage batteries, in particular to a coated aluminum foil, a preparation method thereof, a positive plate and a battery. The coated aluminum foil comprises an aluminum foil body and coatings arranged on the two sides of the aluminum foil body. The coating comprises a carbon layer arranged in the middle of the aluminum foil in the width direction of the aluminum foil and ceramic layers arranged on the two sides of the aluminum foil. The coated aluminum foil is composed of an aluminum foil base material, a middle conductive carbon layer and two side edge ceramic layers, the coating is designed in a partitioned mode, the conductive coating corresponds to an active substance area, the ceramic layers correspond to edge empty foil areas, the ceramic layers have a certain inhibition effect on short circuit, and therefore the risk of thermal runaway of the battery is reduced.

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.

The utility model provides a piezoelectric ceramic piece surface coating polishing device, which relates to a polishing structure and comprises a tray carrying mechanism, a material distribution station, a material distribution robot, a bottom shell overturning station, a material carrying mechanism, a polishing stone linkage station and a manual tray feeding track. The tray carrying mechanism is used for carrying incoming material trays with piezoelectric ceramic pieces to the material distribution station, and the driving end of the material distribution robot is provided with an adsorption head set so as to adsorb coating blank areas of patterned conductive coatings of the piezoelectric ceramic pieces and transfer the piezoelectric ceramic pieces from the material distribution station to the bottom shell overturning station. According to the full-automatic ceramic wafer polishing machine, full-automatic operation of feeding, polishing and discharging of the ceramic wafer through the tray can be achieved, manual intervention and transferring are not needed in the midway, and touch to a coating on the surface of the ceramic wafer can be effectively avoided in the transition transferring process; and the smoothness of the coating of the ceramic wafer before polishing is ensured, and the polishing efficiency is better.

The invention relates to the technical field of garment structure design, in particular to a warm-keeping and antibacterial scene-based garment structure design suitable for old people, which comprises a jacket main body, a trousers main body, a scene-based modular component, an intelligent sensing system and a convenient closing system, the jacket body is of a six-layer composite fabric structure, and the six-layer composite fabric structure sequentially comprises an antistatic coating agent layer, an antifouling layer, a protective breathable layer, a dynamic warm-keeping layer and a skin-friendly antibacterial layer from outside to inside. The antistatic coating agent layer is a nano conductive coating, and the surface resistance is less than or equal to 108 omega; the antifouling layer is a polytetrafluoroethylene coating, and the surface contact angle is greater than or equal to 110 degrees; according to the multi-layer composite fabric system, the antistatic, antifouling, protective, warm-keeping, antibacterial and skin-friendly functions are integrated, the antibacterial rate is larger than or equal to 99%, the warm-keeping performance is improved by 30%, the clothing is adaptive to multiple scenes such as home, outdoor and rehabilitation training due to the magnetic attraction type modular design, the fitting assembly / disassembly time is shorter than or equal to 30 seconds, multiple sets of clothing do not need to be replaced, and the use cost is reduced.

The utility model relates to an electronic chip. There is provided a CSP type electronic chip with electromagnetic shielding, including: an insulating substrate having a resistivity higher than 1 k [Omega]. Cm and including a lower surface, a side surface, and an upper surface, an active portion of the electronic chip being formed on the substrate; an interconnection structure covering an upper surface of the substrate, the interconnection structure including an insulating layer in which a conductive track is formed, the connection pad being disposed on the interconnection structure, the conductive track being disposed to be exposed to at least one of one or more side surfaces of the interconnection structure; a resin covering the interconnect structure and leaving a portion of a channel to the connection pad; and a conductive coating covering and contacting the side surface and the lower surface of the substrate of the chip and the side surfaces of the interconnection structure to connect the conductive track to the conductive coating on at least one of the side surfaces of the interconnection structure.

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.

To overcome the problem of insufficient high-temperature cycle performance in existing lithium-ion batteries, this invention provides a lithium-ion battery comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector with a conductive coating on its surface and a positive electrode material layer disposed on the positive electrode current collector. The non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a compound represented by structural formula 1. The lithium-ion battery satisfies the following condition: and 2.4 ≤ M. A ≤3.6, 0.1≤W A ≤5, 0.1≤d≤10, 3.3≤c≤3.8. The lithium-ion battery provided by this invention can effectively improve high-temperature cycling and storage performance.

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.

An electrically driven multi-region PDLC panel and associated methods and systems for selective transparency. A PDLC region has input and ground conductive coatings; an input gate charges the input coating and a draining gate actively discharges it, forming a half-bridge that provides zero-mean AC drive. Adjacent regions may be driven with phase-shifted AC at a shared frequency using ±DC rails in a SELV-like envelope; effective voltage may be modulated by PWM with optional low-pass filtering in accordance with an opacity response curve. Regions are isolated in a transparent conductor; perimeter routing and flexible interconnects are disclosed. A retrofit overlay employs an interconnect bus and an edge control module that receives AC power and a data signal from an external control module, with daisy-chain capability. A system maps transparency-map data to panel regions; a controller drives the PDLC to render images, views, and obstructions.

The invention belongs to the technical field of dressings, and discloses a magnetic control double-effect intelligent dressing, a preparation method thereof and a chronic wound treatment device, the magnetic control double-effect intelligent dressing comprises an antibacterial fabric and a conductive coating; the preparation method comprises the following steps: reducing antibacterial metal ions on the surface of a fabric by using a reducing compound to obtain an antibacterial fabric, depositing a conductive coating on the surface of the antibacterial fabric to obtain the magnetic control double-effect intelligent dressing, and after reducing the antibacterial metal ions by using the reducing compound, converting the reducing compound into a polymer to obtain the magnetic control double-effect intelligent dressing. The antibacterial metal ions are converted into antibacterial metal nanoparticles, and the polymer wraps the surfaces of the antibacterial metal nanoparticles; the treatment device comprises a rotating magnetic field generator and the magnetic control double-effect intelligent dressing. The rotating magnetic field generator is used for generating a rotating magnetic field, and the magnetic control double-effect intelligent dressing is located in the rotating magnetic field. According to the invention, the behaviors of cell proliferation, migration, differentiation and the like can be regulated and controlled, the release of antibacterial metal ions of the dressing can be regulated and controlled as required, and the antibacterial performance of the dressing is enhanced.

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.

The application discloses a composite lithium ion battery diaphragm, a preparation method thereof and a lithium ion battery. The diaphragm comprises a base film and inorganic particles embedded in the base film and penetrating the base film at both ends. One end of the inorganic particles is coated with a nickel-lithium metal coating, and the other end is coated with a gradient nickel metal layer composed of a coarse-crystal plating layer and a fine-crystal plating layer. The preparation method comprises the following steps: melt blending to prepare a polymer base, forming a base film, rolling and embedding inorganic particles, metal conductive treatment, asymmetric electrochemical deposition to form different coatings on both sides, and extraction pore forming. The composite lithium ion battery diaphragm of the application utilizes the structure of different conductive coatings on both sides, can actively adjust lithium ion transmission, solves the problems of negative electrode lithium supplement and positive electrode lithium dissolution, and significantly improves the cycle life and capacity retention rate of the battery.

The invention belongs to the technical field of lithium-sulfur batteries, and relates to a lithium-sulfur battery, an electrolyte of the lithium-sulfur battery comprises cyanide-containing lithium salt and chlorine-containing Lewis acid, and a positive electrode is mainly composed of a positive electrode current collector and an elemental sulfur-containing conductive coating on the surface of the positive electrode current collector, or is directly composed of an elemental sulfur-containing material. According to the lithium-sulfur battery, based on an S / SCl4 positive electrode chemical reaction, a high-valence sulfur redox process of 32 electron transfer is realized, a 16 electron transfer mechanism of a traditional lithium-sulfur battery is far superior, the average discharge voltage of the battery can reach 3.52 V, the specific discharge capacity can reach 1761 mAh g <-1 >, and the lithium-sulfur battery is remarkably superior to a traditional system. In addition, the battery can be selectively provided with a non-negative electrode structure, the negative electrode can be completely prevented from using lithium metal in the preparation process, and the preparation and use safety of the battery is greatly improved. The invention opens up a brand new path for finding and breaking through the voltage, specific energy and safety bottlenecks of the traditional lithium-sulfur battery.

The invention discloses a battery pole piece and a preparation method thereof, and belongs to the technical field of batteries. Mixing and compacting metal powder and a pore-forming agent, and sintering at different temperatures in an inner layer and an outer layer to obtain a metal foam frame with different pores in the inner layer and the outer layer; performing hot-pressing compounding on the current collector base material and the metal foam frame, and controlling the porosity of one side of the metal foam frame close to the current collector to be high and the porosity of one side far away from the current collector to be low; and sequentially coating a composite conductive coating and an active material layer on one side, far away from the current collector, of the metal foam frame to obtain the battery pole piece with the optimized structure and process. According to the pole piece, collaborative optimization of volume expansion buffering, mechanical strength improvement and ion transmission efficiency enhancement is realized through gradient pore distribution design and a composite conductive coating process.

The invention provides a preparation method of porous activated carbon powder, the porous activated carbon powder, a preparation method of carbon slurry, the carbon slurry and a conductive coating, and relates to the technical field of silk-screen printing, and the preparation method comprises the following steps: calcining absorbent cotton in an inert atmosphere for carbonization treatment to obtain a carbonized sample; soaking the carbonized sample with an alkali solution for the first time, evaporating to remove moisture, and activating and calcining in an inert atmosphere to obtain an activated sample; soaking the activated sample for the second time by using an acid solution, washing to be neutral, and drying to obtain carbon aerogel; mixing the carbon aerogel with ball-milling beads according to a mass ratio, and performing ball-milling under a wetting condition to generate a ball-milled product; and drying the ball-milled product to obtain the porous active carbon powder for preparing the carbon slurry. According to the invention, the bending resistance can be improved.

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.