70 results about "Electrochemical dissolution" patented technology

The invention discloses an electrolyte for an aqueous manganese-based battery. The electrolyte comprises an electrolyte, and the electrolyte comprises a manganese salt; the weak acid is used for regulating and controlling proton dynamic release of the positive electrode / electrolyte interface to realize on-demand supply of protons of the positive electrode / electrolyte interface; and a solvent, wherein the solvent is deionized water; the PH range of the electrolyte is 2.0-3.5, and the electrolyte can realize on-demand supply of protons of a positive electrode / electrolyte interface in the charging and discharging process of the aqueous manganese-based battery, and promotes efficient and reversible deposition and dissolution reaction of a positive active substance manganese dioxide. According to the invention, the proton on-demand supply electrolyte is constructed by utilizing dynamic dissociation equilibrium of weak acid, so that on-demand supply of protons in the MnO2 dissolving process is realized, complete electrochemical dissolution of MnO2 is promoted, and generation of'dead manganese 'is inhibited, so that the cycling stability of the battery and the utilization efficiency of active substances are remarkably improved. The invention also discloses an aqueous manganese-based battery for realizing on-demand supply of protons and application of the aqueous manganese-based battery in the field of secondary energy storage.

The invention provides an electrochemical carbon dioxide trapping system and method coupled with metal refining. According to the system, carbon dioxide is absorbed in an absorption unit through an absorbent; a crude copper metal plate in coordination combination with ammonia is adopted as an electrode of an anode chamber, absorption liquid is desorbed under the action of a crude copper anode, elements, more active than metal copper, in the crude copper anode in the anode chamber are dissolved in the absorption liquid, and copper ions can be released into the carbon dioxide loaded absorption liquid in an electrochemical dissolution mode; carbon dioxide is desorbed in a mode of coordination combination with ammonia, and a gas mixture containing the copper / ammonia coordination compound and carbon dioxide is obtained; separating the gas-liquid mixture through a gas-liquid separation unit to obtain carbon dioxide gas and a separation liquid; the separation liquid is subjected to electrodeposition under the action of a refined copper cathode in a cathode chamber, refined copper and an absorbent are obtained, and regeneration of the absorbent is achieved; finally, the absorbent enters the absorption unit again to provide the absorbent, and cyclic utilization of the absorbent is achieved.

The invention relates to a composite microneedle structure, which comprises a circuit board and a microneedle, the microneedle comprises a plurality of soft needles, the plurality of soft needles are fixed with the circuit board, each soft needle is provided with a plurality of neural electrodes, and the plurality of neural electrodes are electrically connected with the circuit board; the microneedle further comprises a plurality of hard needles, each hard needle is fixed to the corresponding soft needle through a connecting column, and the connecting columns are made of electrochemical dissolving materials. The connecting column is arranged between the hard needle and the soft needle, the hard needle and the soft needle are connected, the soft needle is brought into the brain tissue of a patient through the hard needle, the implanting efficiency of the soft needle is improved, after the connecting column is subjected to electrochemical dissolution, the hard needle can be pulled out, and the soft needle is left in the brain tissue of the patient; the technical problems that in the prior art, a hard needle structure can damage brain tissue during long-term implantation, a soft needle structure is prone to deformation, implantation needs to be assisted by external equipment, and the implantation effect is not ideal are solved.

The invention belongs to the technical field of waste aluminum recovery, and particularly relates to an electrolytic cell for override recovery of pure aluminum from scrap aluminum and a use method of the electrolytic cell. The electrolytic cell comprises a scrap aluminum inlet cover plate, a scrap aluminum anode, a porous ceramic plate, a pure aluminum inlet and outlet cover plate, an electrolyte, an electrolytic cell cover plate, an electrolytic cell shell, a pure aluminum cathode, an electrolytic cell heat preservation layer, an electrolytic cell insulation layer, a cathode guide rod, a cathode graphite block, an insulation partition plate, an anode graphite block and an anode guide rod. Current enters the liquid scrap aluminum anode through the anode guide rod and the anode graphite block, then enters the liquid pure aluminum cathode through the molten electrolyte immersed in the scrap aluminum anode, the porous ceramic plate and the molten electrolyte in the cathode chamber in sequence, and finally is led out through the cathode graphite block and the cathode guide rod; in the electrolysis process, aluminum in the scrap aluminum anode is subjected to electrochemical dissolution, enters the molten electrolyte in the form of aluminum ions and moves to the liquid pure aluminum cathode through the molten electrolyte to be separated out.

The invention belongs to the technical field of metallurgy, and particularly relates to an electrochemical dissolution method and device for promoting dissolution of high-temperature alloy, and the electrochemical dissolution device comprises an electrolytic bath, an anode plate, a cathode plate, a pore plate, a vibration basket, a vibrator, a stirrer, an oxygen generator and a heating and circulating pump; an electrochemical dissolving device is adopted, a titanium plate serves as an anode plate, a graphite plate or an iridium ruthenium plate serves as a cathode plate, an electrolyte is added into an electrolytic bath, the waste high-temperature alloy is placed into a vibration basket, an oxidizing agent is introduced into the electrolytic bath, electrolysis at 70 DEG C is conducted under the stirring and vibration conditions, filtering separation is conducted, and the waste high-temperature alloy is obtained. And electrolyte and anode mud are obtained. The method has the advantages of efficient metal dissolution, short recovery period and good recovery effect.

Aspects of the present disclosure relate to an article. In some embodiments, the article is a gastric retention device or a gastrointestinal device. In some embodiments, the article comprises one or more reservoirs comprising a therapeutic payload. In some embodiments, the article comprises one or more triggerable release mechanisms. In some embodiments, the triggerable release mechanism comprises a metal seal. In some embodiments, release of the therapeutic payload is accomplished via electrochemical dissolution of the metal seal. Other aspects of the disclosure relate to methods for delivering a drug using the drug delivery articles disclosed herein.

The invention relates to the technical field of silver alloy, in particular to a method for effectively inhibiting migration of silver ions in silver alloy, which comprises the following steps: step 1, putting electrolytic silver with the purity of more than 99.99% into a smelting furnace for smelting, covering by using a covering agent, and obtaining molten silver after smelting; 2, modified silicon dioxide is added into the silver melt in the step 1, and silver alloy melt is obtained; 3, the smelting furnace is vacuumized, then mixed gas of hydrogen and nitrogen is introduced into the smelting furnace, and heat preservation is conducted for 20-60 min; and 4, the silver alloy melt is subjected to converter casting after standing. According to the method for effectively inhibiting migration of the silver ions in the silver alloy, grains can be refined through indium in the alloy, the grain boundary structure can be improved, and migration of the silver ions along the grain boundary is inhibited; indium on the surface of the alloy can form a compact indium oxide film on the surface of the silver alloy to isolate direct contact of external moisture, electrolyte and silver, so that electrochemical dissolution and migration of silver ions are reduced.

The invention discloses an electrolytic mechanical composite polishing device and method of a magnetic field auxiliary line driving type flexible electrode, and the device comprises an electrode main body, a permanent magnet guide ball head, a heat shrink tube, a power supply, a linear electromagnetic module group and a magnetic field control system, and the electrode main body and the permanent magnet guide ball head are both arranged on a conductive pipeline; the electrode main body comprises a metal conductive part, a flexible insulating layer and an abrasive particle layer, the metal conductive part comprises a first electrode plate, a second electrode plate and a conductive core tube, the conductive core tube is sleeved on the conductive pipeline, and the first electrode plate and the second electrode plate are respectively arranged at two ends of the conductive core tube. An internal magnetic tool is pulled in a non-contact mode through an external magnetic field, the device can conform to the geometrical shape of a complex shape follow-up flow channel, electrochemical dissolution and mechanical micro-grinding effects are intelligently coordinated, a magnetic field auxiliary driving mode can be effectively integrated to overcome the limitation of an existing flexible electrode, and the precise and efficient finishing problem of the complex flow channel is solved.

A metal sulfate manufacturing system comprising an electrochemical dissolution system having, an anode electrode that holds metal raw material, a cathode electrode, an electrolyte bath having an inlet to receive an initial acid or metal-acid complex solution and an outlet to discharge the treated metal sulfate solution, stirring equipment that mixes the electrolyte bath, a temperature control system, and a rectifier that supplies current at constant voltage between the anode and cathode electrode.

The invention discloses an ion channel protein near-atomic scale confinement dissolution electrochemical machining method based on a bionic confinement interface. The method is characterized in that a bionic phospholipid bilayer mask is spread on a workpiece anode to shield a non-processing area, ion channel protein is embedded into the bionic phospholipid bilayer mask to serve as an electrolyte channel, and when the bionic phospholipid bilayer mask is powered on, the anode dissolution reaction is strictly limited in the ion channel protein channel. Millivolt-level picosecond-nanosecond pulse voltage or current is adopted on the time scale so that anode metal atoms can be removed one by one, electrolytic products are discharged in the modes of electrolyte adjustment, microcosmic acting force, micro vibration and the like so as to ensure sustainable generation of electrochemical reaction, and therefore near-atomic-scale electrolytic machining is achieved. The electrochemical machining technology and the biological field are fused in an interdisciplinary mode, the near-atomic-scale electrochemical dissolution reaction space is constructed, the capacity of electrochemical machining for removing materials in an ion form is approached, and near-atomic-scale electrochemical machining is achieved.

The invention provides a single-crystal high-temperature alloy surface microstructure construction method, and relates to the field of electromachining. According to the method, based on the electrochemical machining principle, the surface appearance is accurately regulated and controlled by optimizing electrolyte components and process parameters and utilizing the difference of gamma phase and gamma'phase electrochemical dissolution behaviors. The method specifically comprises the following steps: in an ethylene glycol solution dissolved with halide salt, preferentially dissolving a gamma'phase to form a latticed surface; in an ethylene glycol solution in which oxyacid salt is dissolved, the gamma phase is deeply dissolved to form a columnar surface. Optimized current density processing parameters are adopted, so that the dissolution uniformity and the structural stability are further improved. In addition, a scanning electron microscope (SEM) is used for carrying out characterization verification on the surface appearance and the microstructure after dissolution. According to the technology, precise preparation of the high-quality surface interface of the single-crystal high-temperature alloy is achieved, and an innovative solution is provided for surface function optimization of high-performance parts such as turbine blades.

The invention discloses an electrochemical synthesis method of an ultra-high-purity precious metal compound, which comprises the following steps: dissolving precious metal powder in a high-purity acid solution system by adopting an electrochemical dissolution process in a clean environment to form an ionic precious metal, selectively removing impurities through acid-resistant chelating resin, and carrying out reduced pressure distillation and concentration to obtain the ultra-high-purity precious metal compound. In the process, introduction of other impurity ions is avoided, the efficiency is high, and industrial batch production is easy. The purity of the obtained precious metal compound can reach 99.999% or above, and the obtained precious metal compound can be used as a raw material in the fields of chips, electrons, catalysts and the like.

The present invention provides a device for measuring the electrochemical dissolution behavior of electrolytic machining and an application method thereof, belonging to the field of electrolytic machining technology, wherein the measuring device includes an electrolytic cell body, a microchannel for flowing an electrolyte therethrough is provided therein; a measuring portion is constructed on the electrolytic cell body, a protruding end of the measuring portion is provided with a measuring port for connecting the microchannel with the outside world; the microchannel located in the measuring portion is separated into an inlet channel and an outlet channel, and the inlet channel and the outlet channel are arranged to gradually contract on the side of the inner wall near the measuring port. The device for measuring the electrochemical dissolution behavior of electrolytic machining provided by the present invention can make the high-speed electrolyte in the microchannel flow laterally through the measuring port, and can make the auxiliary electrode face the measuring port, thereby avoiding the problem of uneven distribution of the electric field and flow field caused by the electrolyte positively impacting the measuring area and the auxiliary electrode deviating from the measuring area.

The invention relates to the field of non-traditional machining, in particular to a hole forming method for a turbine blade. The hole making method provided by the invention comprises two steps: firstly, according to the spatial position and shape of a to-be-processed gas film hole of the turbine blade, completing electric spark forming processing of all gas film round holes and special-shaped gas film holes in the turbine blade; and then an electrolytic grinding combined machining head is used, the remelting layer with the expected thickness is removed through the combined action of electrochemical dissolution and mechanical grinding, and electrolytic grinding and polishing of the inner wall of the air film hole are achieved. According to the method, the problem of a remelting layer remained in the film hole in electric spark machining can be solved, the sharp corner position in the film hole is rounded, and stress concentration is avoided.

The invention discloses a metal electrochemical dissolution method based on an ionic liquid medium. The method comprises the following steps: 1, preparing a K < + >-containing reagent, and mutually dissolving the K < + >-containing reagent with the ionic liquid BMImNTf2; 2, removing water from the ionic liquid and keeping a water-free environment; step 3, electrochemically dissolving the target metal; the problems that a traditional organic acid dissolving method is small in dissolving amount, harsh in experiment condition, long in consumed time and the like are solved, the metal ion concentration in the prepared ionic liquid is close to 30 g / L, and the metal ion concentration requirement for electrolytic refining cathode dendritic crystal growth is met. And meanwhile, impurities influencing electrolytic refining are not introduced, and the method can be used for introducing most of metal capable of being oxidized and dissolved and has wide applicability to similar requirements.

The invention discloses a method for preparing a methanol catalyst by using recycled waste copper-based red mud oxygen carriers, and belongs to the technical field of waste oxygen carrier recycling and catalyst preparation. The method comprises the specific steps that the waste copper-based red mud oxygen carrier is subjected to a combined process of microwave fluidized bed roasting and ball-milling enhanced magnetic separation, focused ultrasound-assisted electrochemical dissolution and deposition, Joule thermal shock-assisted acid leaching and alkali precipitation, and cascade recovery of multiple metal resources is achieved; the problem of paid stockpiling or landfill treatment of the waste copper-based red mud oxygen carrier at present is solved, and the defects that when a pure wet method or a pure pyrogenic method is adopted for recycling, metal to be recycled and miscellaneous elements are mutually dissolved, the acid leaching efficiency of oxidation-state metal is low, and waste is caused due to the low utilization rate of part of elements are overcome. According to the method, appropriate metal of the waste copper-based red mud oxygen carrier is used as a raw material for replacing the synthesized copper-based methanol catalyst, the prominent effect that waste metal materials enter a production chain again for additive manufacturing is achieved, and remarkable economic benefits and environmental protection benefits are achieved.

This invention provides a method for recovering nickel from high-temperature alloys. The method includes the following steps: electrochemically dissolving the high-temperature alloy to obtain a nickel-containing electrolyte and anode mud; adjusting the pH of the nickel-containing electrolyte until impurity metal ions form a precipitate, separating the precipitate to obtain a purified solution; mixing the purified solution, a chloride-containing solution, and an extractant for extraction to separate a cobalt-supported organic phase and a nickel-containing raffinate; adjusting the pH of the nickel-containing raffinate until nickel ions are converted into nickel precipitate, and then reducing the nickel precipitate with hydrogen plasma to obtain metallic nickel powder. The recovery process provided by this invention achieves high purity nickel recovery from high-temperature alloys, significantly shortens the single-batch operation cycle, improves recovery efficiency, and can meet the needs of large-scale, high-load continuous production.

The invention relates to a closed component integrated cathode in-situ continuous full-profile electrolytic machining device and method, and belongs to the field of electrolytic machining. The method is characterized in that the integrated cathode is composed of an end face cathode, a blade basin cathode, a blade back cathode, a hub cathode, a blade crown cathode and an insulating supporting base body, and all the cathodes are fixed to the insulating base body, insulated from one another and independently lead electricity. The integrated cathode is of a hollow structure, and internal flushing liquid processing can be achieved. The power-on / power-off direction of each cathode is matched with the feeding direction, that is, when each cathode is fed in the normal direction of the molded surface of the cathode, the cathode is powered on, the corresponding molded surface of the workpiece is subjected to electrochemical dissolution, and other cathodes are powered off and serve as insulating materials, so that full-molded-surface electrolytic machining of the closed component can be sequentially and continuously completed in situ. The integrated cathode is adopted, full-profile in-situ continuous electrolytic machining of the closed component can be achieved through one-time clamping, multiple sets of cathodes and clamps do not need to be designed, and the machining efficiency and the machining quality are improved.

The invention discloses a method for recovering metallic tin from aluminum-tin alloy waste, which comprises the following steps: electrochemically dissolving the aluminum-tin alloy waste in a sulfuric acid solution with the mass concentration of 20-30%, carrying out electrolytic deposition on tin on a cathode to recover metallic tin with the purity of more than 99%, leaving aluminum in an electrolyte in the form of aluminum sulfate, and after electrolysis is finished, recovering the metallic tin from the aluminum-tin alloy waste. The method comprises the following steps: adding metal aluminum sheets or aluminum powder into an aluminum sulfate solution to replace residual metal impurities such as tin and nickel in a reaction solution, filtering to obtain a primary filtrate, adding activated carbon to adsorb and remove organic impurities such as oil stains to obtain a secondary purified solution, and carrying out evaporation concentration, cooling crystallization and other steps on the secondary purified solution to obtain aluminum sulfate octadecahydrate. The aluminum sulfate octadecahydrate can meet the requirements of water purifying agents and nickel-cobalt-aluminum-lithium battery raw materials, compared with the prior art, metal aluminum and metal tin in the aluminum-tin alloy waste can be thoroughly separated, the purity of the recycled metal tin is high, the quality of byproduct aluminum sulfate is good, high economic value is achieved, and the whole process is small in pollution and quite environmentally friendly.

The application discloses a method for recycling noble metal by electrochemically dissolving semiconductor lining plate, and belongs to the technical field of noble metal recycling. The technical scheme points of the method are as follows: lining plate cleaning; taking the lining plate as an anode, taking a titanium plate as a cathode, taking a mixed acid solution containing chloride ions as an anode electrochemical dissolving solution, taking a hydrochloric acid solution as a cathode electrochemical dissolving solution, arranging a cation exchange membrane between the cathode and the anode, taking the current density as 5-40 A / m 2 , and taking the dissolving temperature as 30-60 DEG C; repeatedly electrochemically dissolving gold to obtain gold powder, monitoring the reduction potential to be greater than or equal to 720 mV; oxidizing the remaining divalent platinum ions in the anode electrochemical dissolving solution into tetravalent platinum ions, adding ammonium chloride to react to generate ammonium chloroplatinate precipitate; filtering, washing and reducing the ammonium chloroplatinate to obtain platinum powder. By controlling the electrochemical dissolving temperature and the current density, oxidation and dissolving reaction of gold and platinum gold plating layers on the surface of the semiconductor lining plate is caused, the lining plate base material is not damaged and can be used for the second time.

The invention discloses a regioselective electrochemical collaborative processing method and device based on ice layer constraint and laser induction, and relates to the field of non-traditional machining.A refrigeration module is used for constructing a solid ice seal layer on the surface of a processing sample, and the processing sample is heated through a transparent cathode head in an integrated cathode through a laser irradiation module; performing phase change melting on the ice layer in the processing area to form a micro-channel; then, under the action of a pulsed electric field, the electrolyte is directionally conveyed to a machining area of a machined sample through an internal flow channel of the integrated cathode, and localized electrochemical machining is triggered. The machining device is designed to achieve the machining method, under the cold state condition, a to-be-machined part is frozen firstly, the energy density of a machining area is enhanced through cooperative coupling of laser irradiation and electrochemical dissolution, the surface of the machining area is frozen and melted, a non-machining area is frozen continuously, and then the purpose of localized electrochemical machining without stray corrosion is achieved.

This invention relates to a gap control device, method, and application for near-atomic-scale electrochemical machining of ion channel proteins, belonging to the field of electrochemical machining technology. To address the problems of insufficient gap control precision and difficulty in achieving near-atomic-scale localized dissolution and real-time observation in existing micro / nano electrochemical machining, this invention provides a dedicated device and method. The device constructs a precisely controllable nano / sub-nanometer-scale dielectric cavity layer deposited on the surface of the workpiece anode in a TEM window, and seals it with a tool cathode containing micro-perforations to form a closed cavity capable of storing liquid. The method includes: sequentially injecting a phospholipid-containing organic solvent and an electrolyte containing ion channel proteins into the cavity; utilizing the phospholipid's self-assembly at the interface to form a biomimetic confinement layer, allowing the electrolyte to contact the workpiece anode only through the internal channels of the ion channel proteins; and applying an appropriate pulse voltage to achieve localized electrochemical dissolution of the workpiece anode within an ultrathin gap defined by the dielectric layer thickness.

A semiconductor substrate includes a base portion, an auxiliary layer and a surface layer. The auxiliary layer is formed on the base portion. The surface layer is formed on the auxiliary layer. The surface layer is in contact with a first main surface of the semiconductor substrate. The auxiliary layer has a different electrochemical dissolution efficiency than the base portion and the surface layer. At least a portion of the auxiliary layer and at least a portion of the surface layer are converted into a porous structure. Subsequently, an epitaxial layer is formed on the first main surface.

The invention provides a rapid cathode conversion device for cartridge receiver electrolytic machining. The rapid cathode conversion device comprises a steering device, a supporting device and a feeding main shaft. The steering device comprises a steering plate, a cathode mounting head, a cathode, a positioning ball, a liquid inlet, a liquid outlet pipeline, a liquid outlet valve, a cathode protection cover and a rotating shaft; the supporting device is characterized by comprising a base and a positioning groove; the feeding main shaft is connected with electrolysis equipment and has the radial feeding function, and it is ensured that the cathode can conduct feeding motion in the machining process. The invention discloses a rapid conversion cathode machining method for cartridge receiver electrolytic machining. The method comprises the steps that a cathode steering device is connected; starting a processing power supply, and starting an electrolyte circulating system and a machine tool control system; opening a processing position liquid outlet valve; the cathode at the machining position gradually gets close to the cartridge receiver workpiece and generates electrochemical dissolution; and starting an electrolyte circulating system. The method has the advantages that the machining efficiency of casing electrolysis is improved, the position error of a machining area is avoided, and the electrolyte pressure is prevented from being reduced.

The application discloses a preparation method and application of an inert metal tungsten anode for low-temperature electrolytic aluminum of ionic liquid, and relates to the technical field of electrolysis. The preparation method of the porous tungsten inert anode provided by the application comprises raw material proportioning, raw material mixing, vacuum sintering and electrode purification. The method combines a discharge plasma sintering process with an electrochemical dissolution process to prepare the porous tungsten anode with a pore diameter of 1-10 microns. The anode has excellent electrochemical stability and corrosion resistance, can effectively promote the desorption of anode chlorine gas bubbles in the electrolysis process, and can effectively reduce the voltage of the low-temperature electrolytic aluminum system of ionic liquid.

This invention discloses a method for preparing high-purity gallium oxide by acid electrolysis, comprising the following steps: (1) acid washing of crude gallium to obtain pretreated crude gallium; (2) placing the pretreated crude gallium obtained in step (1) as the anode into an electrolytic cell containing acidic electrolyte for electrochemical dissolution to obtain a gallium-containing solution; (3) replacing the gallium-containing solution obtained in step (2) with high-purity gallium to remove impurities, and then performing liquid-solid separation to obtain a gallium-containing purified solution; (4) neutralizing the gallium-containing purified solution obtained in step (3) with ammonia to precipitate gallium hydroxide to obtain gallium hydroxide precipitate; (5) drying and calcining the gallium hydroxide precipitate obtained in step (4) to obtain 6N high-purity gallium oxide. This invention can use 2N crude gallium as raw material and prepare high-purity gallium oxide by electrochemical dissolution under acidic electrolyte. The entire process has high production efficiency, few side reactions, low impurity ion content, and low production cost, making it suitable for large-scale industrial production.

The invention relates to a method for preparing high-purity titanium through molten salt electrolysis based on titanium anode dynamic dissolution titanium supply, and belongs to the technical field of molten salt electrolytic refining. The preparation method comprises the following steps: mixing halide salt electrolytic molten salt and titanium sponge, dehydrating, heating and melting in a protective gas atmosphere to form a basic molten salt electrolysis system, introducing gaseous TiCl4 into the basic molten salt electrolysis system through carrier gas, and stirring and reacting for 30-60 minutes to generate Ti < 2 + > and Ti < 3 + > in the molten salt system, thereby obtaining a Ti < 2 + > / Ti < 3 + >-containing molten salt electrolysis system; the method comprises the following steps: by taking a titanium anode as a soluble anode and a metal or metal alloy as a cathode, continuously introducing gaseous TiCl4 into a molten salt electrolysis system containing Ti < 2 + > / Ti < 3 + > through carrier gas to adjust the total titanium ion concentration of Ti < 2 + > and Ti < 3 + > in the molten salt electrolysis system to be 3-6wt%, and carrying out constant-current electrolytic refining under the temperature condition of 50-150 DEG C above the halide salt electrolysis molten salt primary crystal temperature, so as to obtain the cathode high-purity metal titanium. According to the method, a titanium anode is used as a soluble anode for continuous electrochemical dissolution titanium supply, and gaseous TiCl4 is used for assisting titanium supply to be matched with a cathode deposition rate to realize titanium ion concentration self-balance.

The invention discloses a composite solid electrolyte, a battery cell, a single battery and electric equipment. The composite solid electrolyte is prepared by co-doping silver sulfide and sulfide electrolyte. In the charging process, silver ions in the composite solid electrolyte are subjected to electrochemical dissolution, and nanoscale lithium-loving silver seeds are formed along the grain boundary and pores capable of conducting electron transfer. These silver seeds are alloyed with the lithium, inducing uniform electroplating of the lithium therebelow and returning to the electrolyte layer upon lithium exfoliation to improve reversibility during cycling.

The application discloses a device for measuring metal electrochemical dissolution current efficiency, which comprises a reactor, a sample groove is formed on the upper surface of the reactor, liquid inlet holes and liquid outlet holes are respectively formed on the left and right sides of the reactor, the sample groove is communicated with the liquid inlet holes and the liquid outlet holes through liquid inlet auxiliary flow channels and liquid outlet auxiliary flow channels and forms a U-shaped channel, the liquid inlet holes and the liquid outlet holes are respectively connected with liquid inlet pipes and liquid outlet pipes, an anode hole which is communicated with the sample groove is formed on the front side of the reactor, an anode connecting post is arranged in the anode hole, a cover plate is arranged on the upper part of the reactor, a cathode hole which is corresponded to the sample groove is formed on the cover plate, and a cathode material is penetrated into the cathode hole. The device is compact in structure by arranging the reactor and designing the U-shaped channel in the reactor, a sealing ring is conveniently installed, the sealing effect of the reactor is enhanced, electrolyte leakage is avoided to cause corrosion to the equipment, and a process environment of electrolytic processing is simulated, so that the current efficiency test is realized quickly and with saved materials.

The present application relates to the technical field of white alloy, and in particular to a white alloy processing method.The white alloy processing method comprises the following steps: (a) dividing the white alloy to be processed into n portions, n >= 3; taking the first portion of the white alloy to prepare a first anode; (b) placing the first anode in an electrolyte to perform electrolysis; when a large number of bubbles appear in the region of the first anode, the first anode is taken out and soaked in a fluorine-containing acid solution for treatment, and then placed in the electrolyte again to repeat the electrolysis operation to obtain a first defective anode; (c) mixing the first defective anode with the second portion of the white alloy to prepare a second anode, repeating the operation of step (b) to obtain a second defective anode, and so on until the nth portion of the white alloy is prepared into an nth anode and electrolysis is completed.The present application uses a mixed method mainly based on electrochemical dissolution and assisted by acid dissolution to process the white alloy, and has the advantages of less equipment, simple and convenient process, low production cost and high efficiency.