180 results about "Alloy electrode" patented technology

The invention discloses a complex electrolyte additive for a battery, an aqueous zinc ion battery electrolyte and an aqueous zinc ion battery. The electrolyte additive is a complex containing metal complex ions; the complex is composed of a central ion and an internal ligand. The electrolyte additive can respectively form metal and alloy electrode-electrolyte interfaces on the surface of a zinc negative electrode through replacement and electrochemical reaction, and regulate and control the deposition behavior of zinc ions to inhibit the generation of zinc dendrites and accelerate deposition / dissolution kinetics, so that the service life of the zinc negative electrode is remarkably prolonged, and the rate capability is enhanced; a solvation structure of zinc ions can be regulated and controlled, side reactions such as hydrogen evolution, corrosion and passivation are slowed down, and capacity fading of the water-based zinc ion battery can be remarkably delayed when the positive electrode is coupled with a high-efficiency positive electrode; meanwhile, the aqueous zinc ion battery electrolyte additive is low in price, green, environment-friendly, high in functionality and beneficial to development of an aqueous zinc ion battery electrolyte and an aqueous zinc ion battery which are excellent in performance, safe, environment-friendly and low in cost.

The invention discloses an iron alloy electrode paste and a preparation process, and belongs to the technical field of electrode paste preparation, the iron alloy electrode paste comprises a composite aggregate system and a composite binder system, the composite aggregate system comprises the following components by mass: 40-60% of anthracite aggregate, 15-25% of artificial graphite flake, and 3-8% of silicon carbide whisker; the composite binder system comprises the following components in percentage by mass: 70-80% of medium-temperature modified coal pitch, 10-15% of furan resin and 5-10% of dispersion liquid containing nano boron carbide, and the composite binder system is combined with the composite aggregate system through a gradient permeation process to form a three-dimensional conductive network and an enhanced interface; the composite aggregate system and the composite binder system are optimally proportioned, and gradient permeation and gradient kneading processes are combined, so that the comprehensive performance of the electrode paste is remarkably improved, the thermal shock resistance is greatly improved and the linear shrinkage rate is reduced while low resistivity is maintained, the electrode paste is suitable for smelting ferroalloys such as silicomanganese and ferrochromium, and the service life is remarkably prolonged.

The invention belongs to the technical field of hydrogen production, and particularly relates to an electric heating catalyst and an electric heating catalytic ammonia decomposition hydrogen production system. The electrothermal catalyst comprises a catalyst component and a foam alloy electrode, wherein the catalyst component comprises an active metal, a carrier metal oxide and an auxiliary metal oxide; the interior of the foam alloy electrode is of a porous network structure, the catalyst components are uniformly distributed on the outer surface of the foam alloy electrode and the inner wall of the porous network structure, and the thickness of the catalyst components distributed on the outer surface of the foam alloy electrode and the thickness of the inner wall of the porous network structure are both 5-10 microns. The foam alloy electrode is used as a heating unit and a carrier for catalyst growth, catalyst forming is not needed, good heat transfer and mass transfer efficiency is achieved, meanwhile, the electro-thermal catalytic bed design of multiple sections of bed layers is combined, temperature subsection control of the multiple sections of bed layers is achieved, the optimal reaction conditions can be kept at different reaction stages, and the reaction efficiency is improved. Therefore, the reaction efficiency is obviously improved.

The present invention relates to a method and device for electrolytic machining with self - controllable deformation of a shape memory alloy electrode, belonging to the technical field of electrolytic machining. This method uses a shape memory alloy as the electrode material and the initial part profile line as the electrode shape. Through heat treatment, the electrode corresponds to different part profile line shapes at different temperatures. During electrolytic machining, the electrode is connected to a floating fixture, and the temperature of the electrolyte is regulated by the equipment to cause corresponding deformation at different positions. After the machining is completed, using the shape memory effect of the material, the electrode is heated to restore its shape. This method can not only achieve the machining of variable cross - sections but also reuse the electrode.

The invention belongs to the technical field of new energy and electrochemistry, and particularly relates to a corrosion-resistant structured transition metal alloy electrode suitable for hydrogen production from alkaline water and a preparation method of the corrosion-resistant structured transition metal alloy electrode. The method comprises the following steps: sequentially carrying out sand blasting treatment and electrochemical activation treatment on a nickel net substrate so as to improve the surface roughness and the number of active sites; and then performing constant-current deposition in an electro-deposition solution containing nickel salt and ferric salt and / or cobalt salt, and constructing a nickel-based alloy catalyst layer in a micron array shape to obtain the alloy electrode. Through observation of a scanning electron microscope, the surface of the obtained electrode has a sphere-like microstructure, the arrangement is compact, and the catalytic efficiency and durability can be improved. The prepared structured alloy electrode has the advantages of being high in interface bonding force, high in electro-catalytic performance, high in alkali corrosion resistance and the like, and is suitable for efficient and long-term operation of hydrogen production through alkaline electrolysis of water.

The invention relates to a preparation method of a multilayer alloy net electrode for hydrogen production by alkaline electrolysis of water and the multilayer alloy net electrode, and the preparation method comprises the following steps: firstly, selecting an alloy electrode net material, then etching the alloy electrode net, and carrying out electrochemical etching by taking the alloy electrode net as an anode and an inert electrode as a cathode and using 0.5-5M acid liquor to prepare the multilayer alloy net electrode. The preparation method comprises the following steps: sequentially overlapping a first layer of pure nickel net with the mesh number of 80-200 and a second layer of etched alloy electrode net with the mesh number of 40-80 and a third layer of etched alloy electrode net with the mesh number of 20-40, carrying out vacuum sintering at 800-1400 DEG C for 2-5 hours, and finally stirring and drying in a polyethyleneimine aqueous solution. Compared with the prior art, the obtained electrode has the advantages of being low in cost, high in catalytic activity, fast in bubble removal, high in durability and stability and the like, effectively solves many problems of an existing alkaline water hydrogen production electrode, has a wide application prospect in the field of alkaline water electrolysis hydrogen production, can remarkably improve the water electrolysis efficiency and is beneficial to large-scale industrial production.

A semiconductor device and methods forming the device is disclosed. The semiconductor device includes a bottom electrode, a magnetic tunnel junction (MTJ) stack on the bottom electrode, and a top elec

The invention discloses a high-entropy alloy electrode production management method and system based on quality tracing, and belongs to the technical field of production management, and the method specifically comprises the steps: endowing an identifier for an electrode production batch, and collecting a technological parameter curve; dividing application scenes and storing data in a classified manner by associating batch identifiers with terminal product models; obtaining the statistical failure life of the terminal product and extracting related process curves to form an analysis sample set; quantitative fluctuation characteristics of the process curve are extracted, and correlation analysis is carried out on the quantitative fluctuation characteristics and corresponding batches of life; defining a process characteristic value interval in positive correlation with the long life in a specific scene and generating a corresponding production control parameter set; and matching an application scene according to the order product model, and calling a corresponding parameter set to execute directional production. According to the method, closed-loop tracing and correlation analysis between process data and terminal service performance are constructed, so that the performance suitability and the production control accuracy of the high-entropy alloy electrode in subdivision application are improved.

The invention belongs to the technical field of tungsten alloy, and particularly discloses a tungsten alloy electrode material and a preparation method thereof.The tungsten alloy electrode material comprises, by weight, 0.1%-0.2% of lanthanum boride, 0.2%-0.5% of zirconium oxide, 0.2%-0.6% of boron carbide, 0.4%-0.8% of cerium oxide, 0.5%-1.2% of tantalum carbide, 1.4%-1.8% of modified carbon nanotubes and the balance tungsten powder. The lanthanum boride, the zirconium oxide, the boron carbide, the cerium oxide, the tantalum carbide and the modified carbon nanotubes are added into the tungsten powder, under the combined action of the lanthanum boride, the zirconium oxide, the boron carbide, the cerium oxide, the tantalum carbide and the modified carbon nanotubes, the tensile strength and the electrical conductivity are effectively improved, and the high-temperature stability tungsten powder has excellent high-temperature stability and wide application prospects.

A semiconductor device and methods for forming the device are disclosed. The semiconductor device includes a bottom electrode, a magnetic tunnel junction (MTJ) stack on the bottom electrode, and a top electrode on the MTJ stack. The bottom electrode and / or the top electrode include doped SiGeSn.

The invention discloses an ammonia nitrogen electrochemical sensitive electrode based on a platinum-zinc-copper ternary alloy and a preparation method thereof, and belongs to the technical field of electrochemical sensing. The preparation method comprises the following steps: firstly, dissolving platinum salt, copper salt and zinc salt in deionized water according to a certain proportion to prepare a precursor solution for electrodeposition; and then, constructing a three-electrode system by taking the cleaned carbon cloth substrate as a working electrode, a platinum sheet as a counter electrode and Ag / AgCl as a reference electrode, and depositing a platinum-zinc-copper ternary nano-alloy sensitive material on the carbon cloth substrate through an electrochemical cyclic voltammetry to obtain the ammonia nitrogen electrochemical sensitive electrode based on the platinum-zinc-copper ternary alloy. Finally, the electrode is used for sensitive detection of ammonia nitrogen in water. The detection performance of the platinum-zinc-copper ternary alloy electrode on ammonia nitrogen is superior to that of a sensitive electrode of the same type, and the platinum-zinc-copper ternary alloy electrode has the advantages of low cost, high sensitivity, wide linear range, low detection limit and the like, shows good repeatability and interference resistance, and can realize rapid detection and real-time monitoring on ammonia nitrogen in water.

A semiconductor device and a method of forming the device are disclosed. The semiconductor device includes a bottom electrode, a magnetic tunnel junction (MTJ) stack on the bottom electrode, and a top electrode (136, 236) on the MTJ stack. At least one of the bottom and top electrodes (136, 236) includes doped SiGeSn.

The invention discloses a flexible omnidirectional sensor based on a silver nanowire and a liquid metal electrode and a preparation method of the flexible omnidirectional sensor, and relates to the technical field of flexible sensors. The sensor comprises a substrate layer and an encapsulation layer, and a plurality of sensing units and leads are arranged between the substrate layer and the encapsulation layer; the sensing unit is composed of a silver nanowire guide point line and liquid metal gallium indium alloy electrodes covering the two ends of the silver nanowire guide point line. The liquid metal gallium indium alloy electrodes are further provided with a plurality of leads leading to the outside of the sensor. The silver nanowire pattern realizes sensitive sensing of strain, and the gallium-indium alloy electrode realizes stable and reliable electric connection in a flexible strain process; the whole flexible device has good stretchability and stability, has high sensitivity, wide detection range and small lag, can realize real-time monitoring of tiny and violent human body movement, and can be applied to the fields of wearable equipment, flexible robots, electronic skin and the like.

The invention discloses a production and preparation method of rare earth alloying electrode flat steel, and belongs to the technical field of material metallurgy. Comprising a steelmaking process flow; steel rolling technological process; steel-making process parameters and steel rolling control process parameters are optimized; the electrode flat steel comprises the following chemical components in percentage by mass: less than or equal to 0.005% of C, less than or equal to 0.02% of Si, less than or equal to 0.03% of Mn, less than or equal to 0.008% of P, less than or equal to 0.005% of S, 0.03-0.04% of Ti, 0.0040-0.0060% of RE, less than or equal to 0.040% of Al and the balance of Fe and other trace impurity elements. Through reasonable chemical component design and production process control, the strength and conductivity of the pure iron for electrolytic aluminum can be effectively improved, the yield strength of the pure iron is larger than or equal to 200 MPa, the tensile strength of the pure iron is larger than or equal to 280 MPa, and the room-temperature conductivity (20 DEG C) of the pure iron is smaller than or equal to 0.12 mu omega.mm.

The application discloses a water-based sodium ion battery equalization control method, equipment and device, relates to the water-based sodium ion battery control technical field, and comprises the following steps: collecting the operation data of each single battery in the battery pack, constructing a single battery state prediction model, and predicting the SOC change trend of the single battery in the future; according to the SOC change trend, the priority equalization object of the single battery is obtained, and the equalization scheduling of the priority equalization object is corrected based on the SOH change trend; according to the corrected priority, the energy of the priority equalization object is transferred to the energy storage element; based on the fuzzy game method, the energy in the energy storage element is released to the low-priority single battery; the application combines the SOC prediction, the SOH priority correction, the energy transfer and release method combining the fuzzy game and the reinforcement learning, and solves the problem that the single SOC of the battery pack is not balanced and the service life decline is difficult to consider.

The utility model relates to the technical field of heating devices, and discloses a titanium-based memory alloy electrode recovery heating device for electroosmosis drainage reinforcement of a soft soil foundation, which comprises a heating device main body, a limiting support seat and a heating assembly, a fixed supporting plate is movably connected into the heating device body, a sensor and a control panel are arranged on the front face of the heating device body, and the heating assembly is arranged in the heating device body. A rotating connecting shaft rotates to drive a first gear and a second gear to be meshed to drive a rotating threaded rod to rotate in the heating device main body, and a fixed supporting plate is pushed to ascend and descend through threaded connection of the rotating threaded rod and a fixed threaded cylinder, so that the distance between an electrode and a stainless steel electric heating pipe is controlled; and the electrode is controlled within an effective heating range, so that an effective heating effect is achieved when the electrode is heated, and the recovery quality is improved.

A hydrogen storage alloy-based all-solid-state pH sensor is disclosed, comprising a counter electrode, a working electrode, a reference electrode, and a flexible substrate. The counter electrode is a platinum electrode, the working electrode is a hydrogen storage alloy electrode, the reference electrode is a silver / silver chloride electrode, and the flexible substrate is PET. Using the hydrogen-storage titanium-iron alloy electrode as the working electrode and an Ag|AgCl electrode as the reference electrode, the potential of the test solution is measured, and the pH value of the test solution is obtained through a standard curve. This invention explored the optimal ratio of titanium and iron elements through a series of experiments, enabling the sensor to simultaneously achieve both accuracy and stability. While ensuring good hydrogen ion response, optimal stability is obtained by adjusting the titanium-iron element ratio, making it suitable for long-term real-time online in vivo pH detection.

The utility model provides a nickel-metal hydride battery with long cycle life, which relates to the technical field of batteries and comprises a battery compartment and a battery operating mechanism, the battery operating mechanism is mounted on the inner side of the battery compartment, when the battery operating mechanism is used, a hydrogen storage alloy electrode adopts hydrogen storage alloy, and the hydrogen storage alloy can absorb a large amount of hydrogen, so that the service life of the nickel-metal hydride battery is prolonged. The fluorine plastic film can protect the nickel-metal hydride battery pack and prevent moisture from entering a battery compartment, has excellent waterproof and moisture-proof performance, can effectively prevent moisture from entering the battery, and can be used as an ideal electrode material, the voltage loss is reduced, and the service life of the nickel-metal hydride battery pack is prolonged. And the voltage transformer can integrate the voltages of the two nickel-metal hydride battery packs, and can provide stable and constant voltages when the voltages flow outwards, so that the nickel-metal hydride battery packs are protected from excessive discharge.

The application provides a heat treatment method of a Ni30 high-temperature alloy, and comprises the following steps: S1: producing an electrode bar: according to the chemical composition of the Ni30 alloy, metal raw materials are loaded into a non-vacuum induction furnace, current heating is carried out to melt at 1500-1600 DEG C, then pouring is carried out in an ingot mold, mold cooling is carried out, then demolding is carried out, and then air cooling is continuously carried out to room temperature, so that a solid solution electrode bar is obtained; S2: high-temperature solid solution: the solid solution electrode bar obtained in the step S1 is loaded into a heating furnace, heating is carried out to 1050-1150 DEG C, and then holding is carried out for 4-8 hours, then the furnace is discharged, and water cooling is carried out to room temperature, so that a solid solution electrode bar is obtained; S3: electroslag remelting smelting: the solid solution electrode bar obtained in the step S2 is subjected to electroslag remelting smelting, so that an electroslag ingot is obtained, and preparation is completed. Through the application, the problem that the Ni30 high-temperature alloy electrode bar prepared by the conventional heat treatment method has large stress, the process parameters are unstable in the electroslag remelting process, the quality of the electroslag ingot is unstable, and the material yield of forging is low is solved.

The utility model discloses a tungsten-copper alloy heater for sapphire crystal growth, and relates to the technical field of sapphire crystal growth equipment. The heating device comprises a mounting seat, a supporting frame is fixedly connected to the bottom of the mounting seat, a heating rod is arranged at the bottom of the mounting seat, a tungsten-copper alloy electrode is arranged at the top of the mounting seat, a clamping device is arranged at the top of the mounting seat, the clamping device comprises a sliding groove, the sliding groove is formed in the top of the mounting seat, and the tungsten-copper alloy electrode is arranged in the sliding groove. The inner wall of the sliding groove is fixedly connected with a mounting block. The birdcage heater made of the tungsten copper alloy is not prone to deformation, meanwhile, a good temperature gradient and a uniform and stable temperature field are provided for sapphire crystal growth, stable crystal growth is achieved, meanwhile, the service life of the heater is prolonged, equipment damage caused by improper operation can be reduced, and the service life of the heater is prolonged. And the maintenance cost caused by frequent misoperation is reduced.

The invention discloses multi-component alloy electrode plasma surface modification treatment equipment, and particularly relates to the field of plasma surface modification treatment.The equipment comprises a vacuum cavity, a box door is arranged on the outer side of the vacuum cavity, and an inflation mechanism, a vacuum mechanism and a waste gas treatment mechanism are arranged on the outer side of the vacuum cavity; a detection mechanism, an electrifying mechanism and a limiting mechanism are mounted in the vacuum cavity, and the limiting mechanism comprises a metal grid plate. Through the arrangement of the detection mechanism and the limiting mechanism, ions in the plasma are controlled to move within a certain range by utilizing an electric field force generated by bias voltage, so that the generation rate of the ions in the plasma is not influenced while gas in the vacuum cavity is exhausted, and meanwhile, according to the concave-convex condition of the surface of a material, the plasma can be accurately detected. The ion spraying rate and the ion generation rate are controlled, the working time of the device is shortened, and the working efficiency of the device is improved.

The invention relates to the technical field of electrode press operation, in particular to a continuous reciprocating type mixed feeding device and method for a titanium alloy electrode press. After the raw materials are mixed in the mixing device, the mixed raw materials are transferred into the material mixing tank, the material mixing tank continues mixing, it is guaranteed that the mixing effect of the raw materials is not changed, meanwhile, the raw materials move towards the position of the mold, and when the mixed materials move to the position above the mold, the mixed raw materials are transferred into the mold; meanwhile, the two mixing tanks are arranged and matched with the two-time feeding process of the titanium electrode, when the first mixing tank unloads materials to the mold, the second mixing tank is just transferred to the feeding position of the mixing device, and when the first mixing tank unloads the materials, the second mixing tank loads the materials, so that continuous mixing and feeding of the raw materials are achieved, and meanwhile, the production efficiency is improved. And the mixing tanks are arranged side by side and do reciprocating motion between the feeding position and the mold. The problem that the finished product quality of titanium alloy electrodes is affected due to layering in the feeding process is solved, and meanwhile automatic and continuous feeding of raw materials is achieved.

The present invention discloses a molybdenum alloy electrode resistant to hot corrosion of liquid metal and a preparation method thereof. The preparation method mainly includes the following steps: mixing TiB2 powder and Mo powder in proportion by using a method combining sieving and mixing with a mixer, drying and screening the mixture after mixing, and then obtaining the molybdenum alloy electrode through hot pressing sintering, deformation treatment, and machining. After adding TiB2, it remains in the grain boundaries. Because it has characteristics such as a stable oxide film, chemical inertness, and low solubility when facing liquid metal, the molybdenum alloy has excellent resistance to liquid metal erosion. The forging process reforms the clamping part at the front end of the robotic arm, adding a hydraulic cylinder that can freely and automatically adjust the clamping part to float slightly within the range of [-10, +10] mm along the Z-axis, ensuring the flatness of the contact part between the clamped part of the bar and the mold during forging and avoiding the occurrence of shear failure. Using the method of the present invention, a high-performance molybdenum alloy electrode with high density, good liquid metal corrosion resistance, and high yield is obtained.

The invention discloses a NiCu alloy electrode preparation method based on electrochemical micromachining and electro-crystallization coordinated regulation and control, which comprises the following steps: (1) electrochemical micromachining: cutting a nickel net, clamping the longer end of the nickel net by using an electrode clamp with a platinum sheet, ensuring the effective area of an electrode immersed in an electrolyte, electrifying the nickel net in an acid solution, and carrying out electrochemical micromachining on the nickel net; cleaning and drying for later use; and (2) Ni-Cu gradient crystallization is conducted, specifically, nickel crystallization is conducted firstly, then copper crystallization is conducted, a Ni-rich compact bottom layer is formed in the initial stage of crystallization, a Ni-Cu mixed columnar crystal transition layer is formed in the middle stage of crystallization, and a Cu-rich nano dendritic crystal surface layer is formed in the later stage of crystallization. According to the preparation method, a multi-scale micro-nano composite structure is constructed through electrochemical micromachining, a micron framework-nano dendritic crystal composite structure is formed through Ni-Cu gradient crystallization, micron-scale gaps generated by electrochemical micromachining are filled, the NiCu alloy interface characteristics are optimized, the electro-catalytic performance is remarkably improved, and the method is close to a precious metal platinum catalyst.

A kind of 690 alloy electrode for joule heating ceramic furnace and its using method, including the mechanical processing of 690 alloy electrode, laser welding and high temperature annealing treatment, the long-term working temperature of the electrode is 1150 DEG C, up to 1200 DEG C at most, the electrode has the advantages of good cooling effect, small stress, corrosion resistance, long service life etc.

The application relates to a noble metal active site enriched nanoporous amorphous alloy electrode material and electrolytic water catalytic application thereof. x Nb y N z The amorphous alloy thin strip is a precursor (wherein M is one or more than one of 3d transition metal elements Ni, Fe or Co, and N is one or more than one of noble metal elements Pt, Ir or Os), M and Nb elements are selectively removed by dealloying to obtain a nanoporous amorphous alloy electrode material composed of a surface nanometer noble metal enrichment layer, a middle nanoporous amorphous transition layer and an internal amorphous matrix layer, the electrode material has good mechanical bending flexibility, can be bent by 180 degrees at will without breaking, and is easy to prepare a self-supporting electrode device. The nanometer noble metal enrichment layer on the surface of the electrode material presents a multi-level pore structure composed of submicron 0.3-0.5 mu m honeycomb-shaped channels and superfine sponge-like 20-50 nm nanometer through holes, provides rich active sites, and exhibits excellent electrocatalytic performance: the hydrogen evolution overpotential is 17-30 mV at a current density of 10 mA / cm 2 The Tafel slope is 24-43 mV / dec, and the stable operation time can be more than 1000 hours under the condition of a current density of 500 mA / cm 2 The electrode material can be applied to the field of new energy such as electrolytic water catalytic hydrogen production.

The invention provides a preparation method of a silicon-based alloy electrode of a lithium battery. The preparation method comprises the following steps: performing surface modification pretreatment on a conductive substrate; preparing a silicon-containing alloy mixed material, and carrying out wet conversion on the silicon-containing alloy mixed material to obtain silicon-containing alloy slurry; coating the conductive substrate with silicon-containing alloy slurry for multiple times to form a composite slurry layer; carrying out surface modification on the composite slurry layer; after the composite slurry layer is cured, a buffer layer is formed on the surface of the composite slurry layer; the composite slurry layer is formed on the surface of the conductive substrate by preparing the silicon-containing alloy slurry, an effective channel is formed for efficient diffusion and transmission of lithium ions, the internal electrochemical reaction rate during the working period of the lithium battery is increased, and the performance of the lithium battery is improved.

The invention relates to the field of welding equipment, in particular to novel vacuum electron beam welding box equipment for titanium alloy electrode welding, which comprises a welding box body, one side of the welding box body is provided with an opening, the outer side of the opening is rotatably connected with a movable door, and the interior of the other side of the welding box body is fixedly connected with a heat absorbing plate through a mounting frame. The heat absorption plate is made of copper metal, the surface of the heat absorption plate is black, the heat absorption plate is of a hollow structure and is filled with water, a heat exchange pipe is fixedly connected into the heat absorption plate, and a heat storage box is fixedly connected to the outer wall of the other side of the welding box body. The heat storage box is arranged on the side face of the welding box body, the containing inner container is arranged in the heat storage box, when a titanium alloy electrode workpiece in the welding box body is cooled, heat in the welding box body can be replaced into the heat storage box, meanwhile, the titanium alloy electrode workpiece stored in the containing inner container is preheated, energy is saved, and the welding efficiency is improved. And additional heating equipment does not need to be configured for preheating the titanium alloy electrode workpiece.

The application discloses a high-entropy alloy electrode and a preparation method and application thereof. The preparation method of the high-entropy alloy electrode comprises the following steps: step A, providing a soluble metal salt solution containing at least five metal elements, a reducing agent solution and a porous conductive carrier; step B, applying the soluble metal salt solution to the surface of the porous conductive carrier, and allowing the soluble metal salt solution to enter the interior of the porous conductive carrier under suction filtration conditions; step C, continuously maintaining the suction filtration conditions, applying the reducing agent solution to the surface of the porous conductive carrier, and allowing the reducing agent solution to enter the interior of the porous conductive carrier; and step D, repeating steps B to C for several times to obtain the high-entropy alloy electrode. The preparation method provided by the application is simple in operation, low in cost, safe, and free of an acidic plating solution, and is beneficial to large-scale production. In addition, the high-entropy alloy electrode prepared by the method has a very large specific surface area, small high-entropy alloy grains, a stable and uniform plating layer, and can be applied as an electrolytic water anode.

The invention belongs to the field of titanium alloy machining, and discloses a free-cutting titanium alloy wire and a preparation method thereof.The preparation method comprises the steps that a titanium alloy electrode is prepared; smelting the titanium alloy electrode in a consumable electrode vacuum furnace to obtain a cast ingot; forging the cast ingot to obtain a blank; and the blank is rolled, and the titanium alloy wire is obtained. The components of the titanium alloy cast ingot are designed, and meanwhile, the proper forging and rolling process and the proper heat treatment process are matched, so that the tensile strength of the titanium alloy wire is larger than or equal to 770 MPa, the yield strength is larger than or equal to 700 MPa, the ductility is larger than or equal to 23%, the brinell hardness is larger than or equal to 270, and the cutting bending moment is 6% lower than that of a TA4 wire.