223 results about "Electroless deposition" patented technology

The invention discloses a preparation method and application of a tension sensor for monitoring cortisol in sweat. According to the scheme, on the basis of a stretchable electrode (SWNTs / PDMS) which is prepared by patterning in a manner that a single-walled carbon nanotube is subjected to suction filtration and transfer printing on polydimethylsiloxane, cortisol is used as an imprinting molecular template by utilizing an electrochemical deposition technology, and Prussian blue (PB) and pyrrole (Py) are electrically polymerized to prepare an electrochemical sensor of a molecularly imprinted polymer (MIP), so that the change of the concentration of cortisol in sweat can be monitored in real time; a reliable and practical method is provided for rapid and pressure-free pressure monitoring. A scanning electron microscope is used for electrode modification morphology characterization, and an electrochemical workstation is used for electrode sensing performance characterization. The sensor realizes the function of dynamically monitoring the day and night change rule of cortisol in sweat, and has the characteristics of real-time detection, high sensitivity and selectivity and good stability.

The present invention is directed to a fission product extraction system operable to capture and extract fission products from a flow of irradiated fueled molten salt of a molten salt reactor. The example extraction systems described herein utilize electroless deposition to chemically plate fission products onto a metallic structure. The metallic structure may be partially coated with a reducing agent, such as beryllium to provide an electron source for the fission products. The metallic structure may be a component of an extraction system designed to facilitate submersion of the metallic structure into the flow of molten salt. The extraction system may also be designed to facilitate removal of the metallic structure without requiring a shut down or slowdown of the reactor system.

Provided is a method for preparing a collagen membrane for guided tissue regeneration. By utilizing the electrochemical deposition technology and using collagen as the starting material, the method achieves the electrochemical deposition in a low-temperature environment using a direct-current source, and thus, in a constant-voltage output mode, prepares a collagen membrane of an asymmetric structure (with one dense surface and one loose and porous surface) in one step at a high voltage. Also, by means of asymmetric cross-linking, the membrane may be asymmetrically degraded in vivo, thus promoting the rapid repair of a wound while keeping a stable shielding effect on the wound. The method features ease to operate, efficiency, environment conservation, and good scalability. The obtained collagen membrane possesses excellent mechanical properties and uniform overall performance. The area of the collagen membrane of the asymmetric structure prepared by the preparation method is equal to that of the electrode plate, such that scale-up production can be achieved by using an electrode plate with a greater area, thereby improving productivity.

The invention provides a flow battery composite electrode, a preparation method thereof and a flow battery. The preparation method comprises the following steps: placing a pretreated carbonaceous substrate in a mixed solution of a surfactant, an electrolyte and a transition metal salt, growing a metal oxide nanosheet array on the surface of the pretreated carbonaceous substrate by using an electrochemical deposition process, washing, drying and roasting to obtain the flow battery composite electrode, wherein the feeding ratio of the surfactant to the transition metal salt is (1-2) g: (0.02-0.2) mol. The invention also provides the flow battery composite electrode prepared by the preparation method and a flow battery prepared from the electrode. According to the preparation method, the electrochemical reaction activity of the electrode in the all-vanadium redox flow battery can be optimized by regulating and controlling the chemical composition and the microstructure of the catalyst loaded on the surface of the carbon fiber.

The invention relates to the technical field of oxygen evolution catalysts, in particular to a preparation method and application of a monatomic doped ferronickel-based oxygen evolution electrocatalyst, and the preparation method comprises the following steps: growing a NiFe-LDH nanosheet substrate on the surface of a carbon-based carrier in situ through a hydrothermal method, and then precisely regulating and controlling transition metal monatomic doping in combination with an electrochemical deposition technology. The monatomic doped ferronickel-based oxygen evolution electrocatalyst prepared by the preparation method has the advantages of excellent catalytic activity, low cost, greenness and no toxicity.

A solid-state electronic miniature clock featuring a multi-layered silicon chip. A first circuit layer includes an electron paramagnetic resonance sensor, while the second layer comprises a silicon substrate with an etched trench housing single atom-doped fullerene molecules. Magnets are strategically placed on the silicon substrate and a third circuit layer to establish a baseline magnetic field. The chip incorporates through silicon vias (TSVs) filled with copper, forming a copper coil for enhanced antenna performance. Thermal management is achieved through vacuum cavities for isolation, strategically placed metals for heat generation, and thermo-electric materials, such as a bilayer of Bi$_2$Te$_3$ and Bi$_2$Se$_3$, for temperature regulation. A feedback loop monitors and adjusts the temperature, ensuring stability. Fabrication techniques include Deep Reactive Ion Etching (DRIE), electrochemical deposition, and photolithographic patterning, providing precise control over the chip's structure and functionality.

The present invention relates to the technical field of electrodeposition, and relates to a simulation method for flow field distribution and deposition morphology in ultrafast laser-assisted electrochemical deposition. The steps of the method comprise: constructing, in multiphysics simulation software, a two-dimensional axisymmetric multiphysics coupled field model for heat transfer, solid and fluid heat transfer, tertiary current distribution, and laminar flow; constructing a geometric model of a deposition cell and a substrate, and setting laser properties, material physical parameters, and electrodeposition properties in the multiphysics simulation software; constructing an ultrafast laser heat transfer model on the basis of a two-temperature equation; setting initial and boundary conditions of the ultrafast laser heat transfer model, and constructing an electrodeposition field; coupling the ultrafast laser heat transfer model with the electrodeposition field to construct an ultrafast laser-assisted electrochemical deposition model; delineating a grid; and performing calculation and analysis. In the present invention, ultrafast laser is incorporated to perform multiphysics coupling of a thermal field, a flow field, an electric field, etc., and a two-temperature equation and tertiary current distribution are incorporated to the model, thereby achieving the accuracy and comprehensiveness of prediction models.

Vertically stacked semiconductor devices and methods of fabrication thereof that include a first device structure bonded to a second device structure via bonding layers having compressible metal bonding structures. The compressible metal bonding structures may be fabricated using an electroless deposition (ED) process, and may be less dense with a greater degree of compressibility than equivalent materials deposited by related processes. Accordingly, mating pairs of metal bonding structures may have a degree of compliance that enables effective metal-to-metal contact during a subsequent bonding process. Recrystallization of the metal material during an annealing process may produce shrinkage of the metal material and the formation of void areas between the metal bonds and the surrounding dielectric layers, thereby reducing stress on the surrounding dielectric-to-dielectric interface. Accordingly, bonding defects may be minimized and the performance and yields of vertically stacked semiconductor devices may be improved.

The invention discloses a preparation method of a fossil-based hard carbon material, and relates to the technical field of hard carbon materials, and the preparation method comprises the following steps: S1, selecting a fossil-based raw material, carrying out preliminary carbonization treatment on the raw material, and grinding and sieving to obtain a preliminary carbonized material; s2, preparing a first additive for later use; and S3, preparing a second additive for later use. The wheat flour and the copper deposition liquid are mixed to obtain the second additive, the second additive is added into the modified additive to be mixed with the primary carbonized material to obtain the hard carbon material, the wheat is ground and then mixed with the copper deposition liquid, and therefore the wheat flour has electrical conductivity; after the natural polyphenols are mixed and reacted with the first additive, a polymer is formed by cross-linking and is grafted to the surface of the primary carbonized material, so that a large number of conductive substances exist on the surface of the primary carbonized material, electroless deposition of copper metal is realized, and the performance of a battery made of the hard carbon material is effectively improved.

The invention provides a method for improving passivation contact performance of a p region of a TBC battery, which comprises the following steps of: pretreating an n-type monocrystalline silicon wafer, depositing a SiO2 layer and boron (B) doped polycrystalline silicon (poly-Si), etching, performing laser ablation and the like, then depositing phosphorus (P) doped poly-Si, and finally depositing a passivation and anti-reflection layer and preparing a metal electrode. A tunneling oxide layer and boron in-situ doped polycrystalline silicon are deposited in a p region by adopting an ultra-low temperature plasma enhanced chemical deposition (PECVD) mode, the reaction of SiH4 and N2O is introduced to improve the deposition effect of the oxide layer at low temperature, the compactness of a film layer at low temperature is ensured to improve the separation of B on a SiO2 / c-Si interface, and the passivation performance is improved; b doping poly-Si is adopted in the p region, meanwhile, processing is matched with a nanosecond laser, non-equilibrium doping of the B to the poly-Si is achieved, the ultrahigh doping concentration is obtained, the p region passivation performance of the TBC is improved, and then the open-circuit voltage and the conversion efficiency of the TBC battery are finally improved.

The invention relates to the technical field of all-vanadium redox flow battery electrodes, and discloses a preparation method of an iron-tungsten loaded graphite felt for a vanadium redox flow battery, which comprises the following steps: dissolving a tungstic acid compound, ferrite and a surfactant in water to prepare an electrodeposition solution; the preparation method comprises the following steps: immersing a graphite felt in an electro-deposition liquid, carrying out vacuum standing, taking out the graphite felt as a working electrode, carrying out electrochemical deposition, cleaning and drying, immersing the obtained metal-loaded graphite felt in an aqueous solution containing benzene peroxide series and phenylenediamine substances, carrying out hydrothermal treatment, cleaning and drying, and carrying out high-temperature treatment on the obtained precursor graphite felt to obtain the metal-loaded graphite composite material. And obtaining the iron-tungsten loaded graphite felt for the vanadium battery. By loading iron and tungsten on the graphite felt, the catalytic activity site and conductivity of the graphite felt can be effectively improved, the benzene peroxide series can partially oxidize tungsten, generated carboxylic acid and phenylenediamine substances form a condensate, and the catalytic activity and stability of the graphite felt fiber are further improved.

The invention discloses an ordered and disordered structure integrated nanoflower SERS (Surface Enhanced Raman Scattering) chip and a preparation method thereof, and relates to the field of surface enhanced Raman scattering chip detection. The chip comprises a substrate layer, an ordered periodic nanostructure array metal layer, a disordered nanosheet metal layer and a nanoflower structure metal layer, the nanoflower structure metal layer and the disordered nanosheet metal layer are attached to the surface of the ordered periodic nanostructure array metal layer; the ordered periodic nanostructure array metal layer is attached to the surface of the substrate layer. The nanostructures of the nanoflower structure metal layer units comprise nanosheets, nanowires, nanospheres and the like. The preparation method comprises the steps of nanoimprinting, oxygen plasma etching, magnetron sputtering, electrochemical deposition and the like. The detection repeatability is guaranteed through an ordered structure, the hot spot density and strength are improved through a disordered structure, the preparation process is stable and reliable, the chip with the uniform surface and high repeatability can be produced, and the chip has wide application prospects in the fields of biochemical sensing, food safety, environment monitoring and the like.

The invention provides a one-dimensional nano material with wave-absorbing performance as well as a preparation method and application of the one-dimensional nano material. The preparation method comprises the following steps: (1) sequentially carrying out heavy ion beam irradiation, ultraviolet light sensitization and chemical etching on a high polymer material template to obtain an etched template; (2) spraying metal on one side of the etching template to form a gold layer; and (3) electrochemical deposition is conducted on the side, not sprayed with metal, of the etching template obtained in the step (2), deposition liquid adopted in the electrochemical deposition is an aqueous solution containing TiF4 and CoCl2, and therefore the Co / TiO2 composite nanowire is generated. Through the preparation method, the Co / TiO2 composite wave-absorbing material which is arranged in parallel, high in impedance matching capability and excellent in microwave absorption performance can be obtained.

The invention discloses a TC4 titanium alloy and carbon fiber reinforced composite material laser welding method, and relates to the field of dissimilar material laser welding. The preparation method comprises the following steps: firstly, carrying out surface modification on carbon fibers by using hydrogen peroxide, deepening the surface oxidation depth by microwave radiation, stripping graphene oxide on the outermost surface by ultrasonic treatment, and then carrying out plasma beam treatment impact to increase and enlarge grooves and pores on the surfaces of the carbon fibers, so that active groups and concave-convex structures on the surfaces of the modified carbon fibers after resin is filled and cured; and secondly, a layer of nano nickel is chemically deposited on the surface of the titanium alloy microstructure, permeation and corrosion of the modified carbon nanotubes to the titanium alloy are reduced, then the carbon nanotubes subjected to acid treatment are deposited on the surface layer of the nano nickel through the electrophoretic deposition technology, the interface wetting and spreading capacity is improved, and the residual stress after welding is reduced. The TC4 titanium alloy, the nano nickel deposition layer, the modified carbon nanotube deposition layer and the modified carbon fiber composite material layer are combined and connected through laser welding, so that the high-strength connection effect is achieved.

The invention discloses a multi-stage honeycomb and nano needle cone composite super-hydrophobic structure and a preparation method thereof.The composite super-hydrophobic structure comprises a honeycomb micron structure machined on the surface of a metal substrate, and the honeycomb micron structure comprises a plurality of structural units distributed in an array; and a plurality of nano cones which are vertical to the longitudinal growth of the metal base material and are tightly arranged are uniformly distributed in each structural unit, so that the surface hydrophobicity of the structure can be improved, and the strength, stability and durability of the super-hydrophobic structure can be improved. According to the method, laser ablation is conducted on the surface of a metal substrate from top to bottom through nanosecond laser, a honeycomb-shaped micron structure is machined, a plurality of nanometer needle cones are formed in a structural unit through the electrochemical deposition technology, and the composite super-hydrophobic structure is obtained. According to the method, expensive equipment is not needed, the machining efficiency is high, the cost is low, the controllability is good, and therefore the efficient and low-cost machining method is provided for firm preparation, durability and corrosion prevention of the high-durability super-hydrophobic surface.

The electrochemical deposition color developing device comprises an insulating substrate, a first electrode, a second electrode and electrolyte, wherein the first electrode and the second electrode are arranged on the insulating substrate at intervals, and the space between the first electrode and the second electrode is filled with the electrolyte; the second electrode comprises a metal adhesion layer and a metal current collector which are stacked; the first electrode serving as a positive electrode, the metal current collector serving as a negative electrode and the electrolyte form the electrochemical battery. The invention discloses a camouflage device based on an electrochemical deposition device. The camouflage device comprises an intelligent sensing control system for switching output control voltage and an electrochemical deposition developing device based on control voltage regulation. The electrochemical deposition color developing device is simple in preparation process, and the cost can be reduced; a complex micro-nano structure is not needed to control deposition color development, and the color development function and the energy storage function are integrated only based on voltage regulation and control.

The invention relates to a device for electrochemical deposition plugging reinforced concrete cracks and a construction method thereof. The device is composed of a sponge block, a transparent organic glass box, a direct current power supply, a conductor, a metal strip, a water tank and a micro water pump, etc. The technical method of circulating electrolyte is used to overcome the problem that it is difficult to stably keep the electrolyte covering the plugging area in the electrochemical deposition plugging concrete crack process. The device and the construction method thereof can not only greatly simplify the relevant operation process and improve the construction efficiency, but also significantly improve the plugging effect.

This invention provides a method for preparing (002) crystal-plane oriented metallic zinc and its application. The invention employs a two-electrode electrochemical deposition technique, using iron foil, titanium foil, or copper foil as the working electrode, commercial zinc foil as the counter electrode, and an aqueous zinc salt solution as the electrolyte. Constant current density discharge deposition is used to deposit (002) crystal-plane oriented metallic zinc on the working electrode; the constant current density is 50 mA cm⁻¹. ‑2 ~200 mA cm ‑2 The (002) crystal-plane oriented metallic zinc prepared by this invention can be used in rechargeable zinc-ion batteries. The two-electrode electrolytic cell device used in the preparation of metallic zinc in this invention is simple, the preparation process is straightforward, and the preparation method is more universal. The (002) crystal-plane oriented metallic zinc prepared according to the method of this invention can suppress zinc dendrite growth and hydrogen evolution, thereby improving the service life of rechargeable zinc-ion batteries.

A metal interconnect structure is doped with zinc, indium, or gallium using top-down doping processes to improve diffusion barrier properties with minimal impact on line resistance. Dopant is introduced prior to metallization or after metallization. Dopant may be introduced by chemical vapor deposition on a liner layer at an elevated temperature prior to metallization, by chemical vapor deposition on a metal feature at an elevated temperature after metallization, or by electroless deposition on a copper feature after metallization. Application of elevated temperatures causes the metal interconnect structure to be doped and form a self-formed barrier layer or strengthen an existing diffusion barrier layer.

The invention relates to the technical field of electro-catalysis electrode materials, in particular to a metal-loaded three-dimensional copper-based catalyst and a preparation method and application thereof. The preparation method comprises the following steps: by taking foamy copper as a substrate, firstly soaking the foamy copper in a mixed solution containing ammonium persulfate and sodium hydroxide, then taking out the foamy copper and controlling drying conditions, while obtaining Cu (OH) 2 nanowires on the foamy copper, realizing dehydration reduction of part of Cu (OH) 2 to obtain cuprous oxide active sites with reducibility; cuprous oxide reacts with metal ions, and the metal-loaded three-dimensional copper-based catalyst is obtained. According to the invention, the compounding of multiple metal elements and Cu (OH) 2 is realized at normal temperature and normal pressure, the technical defects of an electrochemical deposition method and a high-temperature sintering method in the prior art are overcome, and the obtained metal-loaded three-dimensional copper-based catalyst has the characteristics of no aggregation of metal particles, high-efficiency mass transfer and load transfer, and good application prospect. The application efficiency of electro-catalysis of the metal-loaded three-dimensional copper-based catalyst can be effectively improved.

The invention relates to the technical field of hyperspectral consistency detection, and discloses a hyperspectral consistency detection method based on an SERS (Surface Enhanced Raman Scattering) substrate surface hydrophilic structure, which comprises the following steps: S1, preparing an SERS substrate with a silver nanoflower structure by adopting a method of combining a lyotropic liquid crystal soft template with electrochemical deposition, and adjusting the deposition voltage to obtain an SERS substrate with a silver nanoflower structure; and three substrates with different morphologies and roughness factors are obtained. By changing the deposition voltage in the preparation process, three substrates with different morphologies and roughness are prepared. The method comprises the steps that firstly, three different SERS substrates are subjected to contact angle measurement through a contact angle measuring instrument, finally, a contact angle result and the surface roughness are fitted, and the result is displayed to conform to a Wenzel theoretical model. And finally, measuring the spectrum consistency by using the R6G solution as a sample to be detected. The smaller the contact angle is, the distribution uniformity of the to-be-detected sample is greatly improved, and the hyperspectral consistency in the quantitative analysis detection process is realized.

A method for manufacturing a multi-layer ceramic capacitor (MLCC) end electrode and printing a full-area inner electrode protective layer is disclosed. The method uses thin dielectric ceramic layer thickness and a plurality of nickel inner electrode stacks to achieve high capacitance. The method produces high-density electrode-to-ceramic ratio end edges and side edges. The method uses an ultralow-temperature electrochemical deposition coating technology to manufacture a low-stress multi-layer ceramic capacitor end electrode and an insulating protective layer, thereby improving the yield of the multi-layer ceramic capacitor and reducing manufacturing costs.

The invention provides a metal hydroxide (LDH) and a preparation method and application thereof in seawater electrolysis, and belongs to the field of new materials and hydrogen energy preparation. Aqueous solutions of ferric salt, cobalt salt and nickel salt are stirred to obtain a mixed solution; under a constant voltage, metal ions of the mixed solution are subjected to a reduction reaction on the surface of the working electrode to generate ternary NiCoFe-LDH, namely, the metal hydroxide is obtained; according to the method, a high-activity and high-stability nano-structure material directly grows on a conductive substrate through an electrochemical deposition method of three metal (Fe, Co and Ni) hydroxides in a specific proportion, and the low-cost seawater electrolysis catalyst can be constructed only through direct in-situ growth of LDH through a potentiostatic method, so that the high-temperature and high-pressure requirements of a traditional hydrothermal method are avoided, and the method is suitable for industrial production. The LDH nanosheet array structure directly grown in the invention avoids the use of a binder, improves the mechanical stability of the electrode and prolongs the cycle life of the electrode. The ternary NiCoFe-LDH is used as an anode material of an electrolytic tank and can be used for directly electrolyzing seawater to produce hydrogen.

The invention provides selenium nanoparticles as well as a preparation method and application thereof, and belongs to the technical field of selenium nanoparticles. Acetone ultrasonic cleaning and chemical polishing pretreatment are performed on a pure titanium substrate to obtain a clean surface, an anodic oxidation method is adopted to prepare a # imgabs0 # nanotube array carrier, and the nano-particles are prepared into selenium nano-particles. The method comprises the following steps: accurately depositing selenium nanoparticles on a carrier by using an electrochemical deposition method, realizing load control by combining an electrochemical kinetics principle, realizing uniform dispersion of the particles by matching an ultrasonic dispersion technology with a particle swarm optimization algorithm, and carrying out centrifugal separation and vacuum drying to obtain a spherical selenium nanoparticle product. And a multi-dimensional quality control detection system of a transmission electron microscope, an X-ray photoelectron spectroscopy and dynamic light scattering is established, so that the technical problems that the particle size distribution is non-uniform and the deposition load is difficult to accurately control in the preparation process of the selenium nanoparticles are solved.

The invention discloses an organic-inorganic multi-layer composite coating material with functions of promoting cell adhesion, resisting infection and promoting osteogenesis and a preparation method of the organic-inorganic multi-layer composite coating material. The method specifically comprises the following steps: 1) carrying out primary sand blasting treatment on a titanium / titanium alloy sample, then removing an oxide layer on the surface of the titanium / titanium alloy sample by using an ultrasonic oil removal and glow discharge cleaning process, and constructing a copper / zinc alloy coating on the surface of the sample by combining an electrochemical deposition process; 2) carrying out micro-nano processing on the coating by using a secondary sand blasting process to introduce a topological morphology; (3) depositing a polydopamine PDA coating on the surface by using an in-situ auto-polymerization process, and simultaneously dipping to complete the chelation of Fe < 3 + > and PDA; 4) further utilizing an ultrasonic impregnation process to realize conversion from PDA-Fe < 3 + > chelation to PDA-Fe < 3 + >-salvianolic acid b chelation so as to introduce a salvianolic acid b layer, and washing, air-drying and sterilizing to obtain the material. The material has multiple cell adhesion promotion, infection resistance and multiple osteogenesis promotion functions, and can realize innovation of coating technologies in the fields of orthopedics, dentistry and the like.

The application discloses an electrochemical deposition color developing device, which comprises an insulating substrate, a first electrode, a second electrode and an electrolyte; the second electrode comprises a metal adhesion layer and a metal current collector which are arranged in layers; the first electrode serves as a positive electrode, the metal current collector serves as a negative electrode, and the electrolyte forms an electrochemical cell with the first electrode and the second electrode. The application discloses a camouflage device based on the electrochemical deposition device, which comprises an intelligent sensing control system for switching output control voltage and an electrochemical deposition color developing device based on control voltage regulation. The electrochemical deposition color developing device has simple preparation process and can reduce cost; the color developing function is realized without complex micro-nano structure control deposition color developing, and the color developing function and the energy storage function are combined into one based on voltage regulation.

The invention provides a composite supercapacitor material, a preparation method thereof and a supercapacitor, and the preparation method comprises the following steps: immersing a foam metal substrate in a sulfur-molybdenum source deposition solution, and carrying out the first electrodeposition to obtain a foam metal substrate loaded with amorphous molybdenum sulfide; and immersing the foam metal substrate loaded with amorphous molybdenum sulfide into a silver source deposition solution, and carrying out second electrodeposition to obtain the composite supercapacitor material which comprises the foam metal substrate loaded with amorphous molybdenum sulfide and silver. According to the preparation method, the silver-amorphous molybdenum sulfide-foam metal composite electrode material is prepared through two-step electrochemical deposition, the preparation process is simplified, high temperature and high pressure are not needed, large-scale production can be achieved, and a high-performance water-based and solid-state symmetric supercapacitor constructed based on the material has a good application prospect. And collaborative improvement of energy density and power density and practicability of a solid-state device can be realized.

The invention belongs to the field of metal materials, and discloses a method for preparing foam iron by an electrochemical deposition method, which comprises the following specific steps: step 1, conducting polyurethane foam; 2, the polyurethane foam obtained in the step 1 is subjected to iron plating through an iron plating solution; 3, nickel plating is conducted on a product obtained in the step 2 through a nickel plating solution; and 4, the nickel-plated sample is subjected to combustion, reduction and sintering treatment, after the treatment is completed, post-treatment is conducted, and the finished product foam iron is obtained. According to the scheme, nickel plating is additionally arranged on the iron plating layer, so that the foam iron finished product with higher stability and higher oxidation resistance is obtained, foam precious metal can be flatly replaced, the cost is effectively reduced, and the foam iron finished product can be applied to the specific field. Meanwhile, the invention further discloses the foam iron.

The invention belongs to the technical field of oral implant materials, and relates to a magnesium metal-guided bone regeneration membrane, a preparation method thereof and a product for preparing the magnesium metal-guided bone regeneration membrane. The magnesium metal-guided bone regeneration membrane comprises a bone repair combination product of the magnesium metal-guided bone regeneration membrane. The preparation method comprises the following steps: respectively providing an electrochemical deposition solution and a polysaccharide-containing solution; the electrochemical deposition liquid comprises a calcium ion donor, a phosphate ion donor and mussel mucin; the method comprises the following steps: placing a magnesium metal matrix in an electrochemical deposition solution, and carrying out first-stage electrochemical deposition under a first electrochemical deposition condition to prepare an intermediate 1; placing the intermediate 1 in an electrochemical deposition solution, performing second-stage electrochemical deposition under a second electrochemical deposition condition, cleaning, and drying to prepare an intermediate 2; placing the intermediate 2 in a solution containing polysaccharide, dip-coating the polysaccharide, and drying; the first electrochemical deposition condition and the second electrochemical deposition condition are respectively as follows: the voltage is 1-5V and 10-60V; the membrane has the biological functions of low corrosion rate, high bonding strength, inflammation resistance, bacteria resistance, osteogenesis promotion and the like.

The invention discloses an FDM mask-electrochemical deposition composite 3D printing processing device and method. The FDM mask-electrochemical deposition composite 3D printing processing device comprises an FDM mask module, an electrochemical deposition module and a double-station rotary table, and the left-right direction is the X direction; the FDM mask module is an X / Y / Z direction three-dimensional motion platform located on the right side of the marble platform on the machine tool base; the electrochemical deposition module is a two-dimensional motion platform located on the left side of the marble platform in the X / Y direction, a Y-direction sliding block left side connecting beam is fixedly connected with a left side fixing base, and an output end is fixedly installed on the left side fixing base. The workpiece platform is controlled by the numerical control rotary table to rotate. The method comprises the following steps: firstly, printing a resin mask layer with a certain pattern by utilizing a fuse accumulation forming technology, then printing a metal layer of the phase change cooling component on a hollow part of the mask layer by utilizing an electrochemical deposition technology, continuously and alternately repeating the mask and deposition processes until layered printing of the phase change cooling component is completed, and finally, separating the resin mask layer from the metal component to obtain the phase change cooling component. And high-precision, high-strength and long-service-life printing is realized.