180 results about "Electrolytic process" patented technology

The invention provides a novel metal-based nano catalytic coating electrode and a preparation method thereof.The metal-based nano catalytic coating electrode comprises a metal matrix and a conductive mechanism, and the metal matrix is sequentially provided with a corrosion-resistant middle layer, a transition layer, a nano-doped ceramic oxide active layer and a porous enamel ceramic isolation layer from near to far; and the metal substrate is fixedly connected with the conductive mechanism. The metal base body is of a plate-shaped structure, a net-plate-shaped structure or a plate-column-shaped structure. The corrosion-resistant middle layer of the metal-based nano catalytic coating electrode can prevent the metal matrix from being passivated in the electrolysis process, so that the service life of the electrode is prolonged; the plated layer can be used as a bonding bridge between the metal matrix and the doped ceramic oxide layer, so that the stress generated by sudden change of temperature, crystal form and the like in the coating preparation process is reduced, and the bonding force between the coating and the metal matrix is greatly improved; the porous enamel ceramic isolation layer can effectively prevent a solution from scouring the doped ceramic oxide active layer, and the service life of the doped ceramic oxide active layer electrode is prolonged.

Electrolysis device for arrangement in a water container (4), comprising: (a) at least one rotating cathode (120) mounted on an axis (112) and designed to rotate during an electrolysis process; (b) at least one stationary cathode cleaning element (140) configured to contact a surface of the rotating cathode (120) so that deposits are removed from the rotating cathode (120) during the electrolysis process while the rotating cathode (120) is rotating, wherein the at least one stationary cathode cleaning element (140) is pre-tensioned outwards so that a scraping edge (152 a,b) of the at least one stationary cathode cleaning element (140) is in contact with the surface of the rotating cathode (120), and wherein the stationary cathode cleaning element (140) is constructed with a support extension (156) wherein the curvature of the support extension (156) substantially corresponds to the curvature about the axis (112) and the support extension (156) bears against the surface of the axis (112), thereby providing suitable orientation of the stationary cathode cleaning element (140) is maintained with the scraping edge (152 a,b); and (c) at least one stationary anode (132) arranged adjacent to the rotating cathode (120).

The application belongs to the technical field of rare earth metallurgy, and discloses a method for preparing rare earth metal by electrolyzing molten salt. The method comprises the following steps: taking rare earth oxide as electrolytic raw material, and performing electrolysis in molten salt electrolyte under a protective atmosphere; and collecting the deposit after electrolysis, so that the rare earth metal is obtained. Through the synergistic effect of multi-dimensional process, the application successfully constructs an efficient, green and stable rare earth metal electrolysis preparation system. The system completely eliminates carbon pollution, significantly improves the stability of the electrolysis process and the quality of the product, realizes efficient and stable preparation of high-purity rare earth metal, and can meet the stringent requirements of high-end electronics, aerospace, high-performance permanent magnet materials and other fields for ultra-high-purity rare earth products.

The invention provides modified zirconium boride ceramic, a preparation method and application of the modified zirconium boride ceramic in electrolytic aluminum, and belongs to the technical field of ceramic. The preparation method comprises the following steps: preparing zirconium dioxide sol, preparing a reinforcing phase, coating and sintering. The step of preparing the zirconium dioxide sol comprises the following steps: adding a rare earth solution into a zirconium source solution, controlling the adding rate of the rare earth solution to be 1.5-2.0 g / min, stirring while adding, stirring at 42-45 DEG C for 30-35 min, stirring at 60-63 DEG C for 40-50 min, adjusting the pH to 3.2-3.5, adding polyethylene glycol 2000 after aging, and stirring for 50-60 min to obtain the zirconium dioxide sol; the prepared modified zirconium boride ceramic is high in strength, excellent in high-temperature oxidation resistance and thermal shock resistance and good in corrosion resistance, and the stability of the electrolysis process can be effectively guaranteed.

The application belongs to the technical field of material detection, and specifically provides a method for determining the sodium expansion rate of an aluminum cathode with a non-standard size under pressure, characterized in that the method comprises the following steps: preparing a composite sample through an aluminum cathode carbon block and a graphite block, and preparing a control sample through the graphite block; electrolyzing the composite sample and the control sample respectively; determining a first length increment curve of the composite sample in an electrolysis process, and determining a second length increment curve of the control sample in the electrolysis process; and determining the sodium expansion rate of the aluminum cathode based on the first length increment curve and the second length increment curve. The technical scheme provided in the application can realize the determination of the sodium expansion rate of an aluminum cathode with a non-standard size.

The utility model belongs to the field of rare earth metal electrolytic machining, and particularly relates to an electrolytic furnace for preparing rare earth metal, which comprises a furnace body, a driving motor is arranged at the top of the furnace body, the output end of the driving motor penetrates through the furnace body and is connected with a reciprocating screw rod, and the reciprocating screw rod is arranged in a cylindrical cavity in the inner wall of the furnace body and is rotationally connected with the bottom of the cavity; a longitudinal sliding groove is formed in the surface of the barrel-shaped cavity, the surface of the reciprocating lead screw is in threaded connection with a barrel-shaped block matched with the barrel-shaped cavity, and a sliding block sliding in the sliding groove is arranged on the side face of the barrel-shaped block; through the structural design that an elastic scraping strip sleeving the outer wall of a fixing ring is in interference contact with the inner wall of the furnace body, the function of scraping residual materials on the inner wall in the electrolysis process in real time is achieved, and the problems that materials attached to the inner wall of a traditional electrolysis furnace cannot participate in the reaction and are difficult to clean are solved; the high-temperature-resistant silica gel material of the elastic scraping strip and the wave-shaped scraping teeth enhance the scraping effect, so that the materials are ensured to participate in the reaction again, and solidification residues are reduced.

The invention relates to the technical field of equipment control, in particular to a rare earth electrolysis feeding control method and system based on the fluorine ion quantity, and the method mainly comprises the steps that the fluorine gas concentration in the electrolysis process in the current collection period is obtained, and the current fluorine ion detection concentration is obtained through the fluorine gas concentration; and constructing a PID control model, and outputting a control signal for the feeding equipment according to the PID control model based on the fluorine ion concentration. According to the scheme, the fluorine ion or fluorine-containing gas emission amount is collected, the fluorine-containing gas or fluorine ion emission amount is relatively stable during normal electrolysis, and once material shortage and fluorine-containing gas or fluorine ion emission data are abnormal and obvious, abnormal electrolysis can be judged in time, response can be made in time (the starting point is different from that of the disclosed feeding control technology), and the feeding control accuracy is improved. And data are fed back in time and output of the charging machine is controlled. According to the method, whether material shortage exists in current electrolysis or not is judged, the feeding amount is accurately controlled through fluorine data, furnace caking caused by excessive material feeding due to the fact that materials exist in a furnace is avoided, and rare earth fluoride can be prevented from participating in electrolysis due to material shortage in the furnace.

The application discloses a copper electrolysis / electricity deposition device and a working method thereof in the technical field of crude copper electrolytic refining, which comprises a tank body, the tank body comprises a cathode cavity and an anode cavity, the cathode cavity and the anode cavity are arranged side by side and are communicated with each other, an electrolyte input device, the electrolyte input device is arranged in the cathode cavity, and the electrolyte input direction is from the cathode to the anode, an electrolyte output device, the electrolyte output device is arranged in the anode cavity, and the electrolyte output direction is from the anode to the cathode, cathode plates and anode plates can be arranged in the cathode cavity and the anode cavity respectively at intervals, and the cathode plates and the anode plates are connected with an electrolysis power source externally, the cathode cavity and the anode cavity adopt a cathode-anode different-tank structure, the purity of electrolyte in the cathode tank is high during the electrolysis process, the quality of cathode copper can be improved, the problem of short circuit caused by excessive dissolution of the anode plates and falling off of the anode plates during the electrolysis process can be avoided, the residual anode rate can be reduced, and silver ions generated by anode dissolution do not participate in cathode discharge, so that the silver recovery rate can be improved.

The invention discloses an electrolyte containing ammonium hydrogen fluoride, which takes pure water as a solvent, and each liter of the electrolyte contains 6.1 to 10.3 g of ammonium hydrogen fluoride, 2.2 to 4.2 g of ammonium fluoride, 2.9 to 4.9 g of sodium fluoride and 0.22 to 0.42 g of 2, 5, 8, 11-tetramethyl-6-dodecyne-5, 8-diol; the method is used for treating the beryllium copper surface and comprises the following steps: (1) putting the electrolyte containing ammonium hydrogen fluoride into an electrolytic bath of electrolysis equipment; (2) putting a beryllium copper piece to be treated into the electrolyte in the step (1) as an anode, taking a stainless steel plate as a cathode, and electrolyzing under the action of direct current; (3) the beryllium copper piece subjected to electrolysis treatment is washed with pure water, and then the beryllium copper piece is placed in electroplating liquid for nickel plating; and (4) the beryllium copper piece subjected to nickel plating treatment is washed with pure water and dried to remove surface moisture, and the beryllium copper piece subjected to surface treatment is obtained. The method is safe and reliable to operate, clean and environment-friendly.

The utility model relates to water electrolysis technical field, specifically disclose a kind of low-temperature full gaseous water vapor electrolytic hydrogen production device and system. The utility model aims at overcoming the limitations of existing water electrolysis technology in energy efficiency, cost, system complexity, operation flexibility and environmental adaptability etc. The utility model is core at, under the mild condition lower than 90 DEG C, water is supplied to cathode and anode of electrolytic cell in the form of pure gaseous water vapor simultaneously, using specially designed membrane electrode assembly and internal water management structure, under the action of direct current, water vapor is decomposed efficiently to generate high-purity hydrogen and oxygen. The entire electrolysis process avoids the direct input and circulation of liquid water, realizes gas-solid two-phase interface reaction, significantly simplifies water balance system, reduces equipment volume and weight, solves the bubble coverage of traditional liquid phase electrolysis, mass transfer resistance. The utility model device has the characteristics of modularization and miniaturization, and significantly reduces the net power consumption per unit hydrogen production.

The invention discloses an electrolytic aluminum discharger function test device, and relates to the technical field of dischargers, the electrolytic aluminum discharger function test device comprises a material box, a discharging valve, a base support and a metering scale, the top of the material box is provided with a to-be-tested electrolytic aluminum discharger, the discharging valve is used for controlling the electrolytic aluminum discharger to discharge, and the base support is used for supporting the base support. The base support is arranged at the bottom of the material box and used for supporting the material box, and the metering scale is arranged at a discharging opening in the bottom of the material box and used for weighing the discharging amount of one-time discharging of the electrolytic aluminum discharging device; according to the device for testing the function of the electrolytic aluminum blanking device, blanking testing can be carried out after the blanking device is maintained, and whether the maintenance effect of the blanking device reaches the standard or not can be judged by comparing the blanking amount with the standard blanking amount. And if the blanking amount of the blanking device is greatly deviated from the standard blanking amount or the phenomenon of material leakage exists, the blanking device is taken down to be repaired again, so that the situation that the unqualified blanking device is mounted on the electrolytic bath to influence the electrolytic process index is avoided.

The application discloses a copper electrolysis additive adding system and a control method. The copper electrolysis additive adding system comprises an electrolytic cell, an additive dissolving device, a first transmission pipeline, a first metering pump and an electric control device, and an additive dissolving groove is formed in the additive dissolving device. One end of the first transmission pipeline is connected to the electrolytic cell, and the other end of the first transmission pipeline is connected to a liquid outlet of the additive dissolving device. The first metering pump is arranged in the first transmission pipeline. The electric control device is in communication connection with the first metering pump, so as to control the first metering pump to adjust the flow of the solution transported from the additive dissolving device to the electrolytic cell. According to the copper electrolysis additive adding system, the accurate control and the uniform and continuous addition of the additive solution are realized, and the stability of the electrolysis process and the quality and production efficiency of the electrolytic copper are improved.

This invention discloses a method for extracting gallium from coal using rare metal extraction technology. Using dry fly ash with a gallium content of 50-80 μg / g as raw material, the method sequentially involves raw material pretreatment, roasting activation, acid leaching, leachate pre-purification, solvent extraction and back-extraction, deep refining, and electrolytic refining to achieve efficient gallium extraction and purification. The core of this method is the destruction of the aluminosilicate lattice through high-temperature roasting activation with soda ash, converting gallium into a soluble state. Impurities are then removed through three stages of deep purification, combined with an alkaline constant-current electrolytic process to prevent impurity co-deposition. This method realizes the resource utilization of low-grade fly ash solid waste, significantly improves the gallium leaching rate and resource recovery rate, and ultimately obtains industrial-grade gallium with high purity.

The invention discloses a method for synthesizing vanadium electrolyte through continuous electrolysis, which adopts a flow type electrolysis device as a reactor, and the device comprises at least one diaphragm electrolytic cell, two catholyte circulating tanks and at least one anolyte circulating tank; an acidic aqueous solution containing high-valence vanadium is used as an original catholyte, and an acidic aqueous solution is used as an original anolyte; the diaphragm electrolytic cell continuously operates to reduce the catholyte, and the continuous operation time is longer than or equal to 24 hours; after reduction, respectively discharging reduced catholyte from each catholyte circulating tank in batches; and adjusting the valence state of vanadium ions in the reduced catholyte by using an acidic aqueous solution containing high-valence vanadium to obtain the vanadium electrolyte. According to the invention, the electrolytic bath is used, and at least two cathode liquid circulating tanks are arranged, so that continuous electrolysis is realized by switching and using the two cathode circulating tanks in the electrolysis process, and the production capacity of the vanadium electrolyte can be improved by more than 30%.

The application provides a drawer module and a refrigerator. The drawer module comprises a drawer barrel, a drawer body and an oxygen reduction structure. The oxygen reduction structure comprises an outer shell, a cathode plate and an anode plate. The outer shell is arranged in the drawer barrel and is used for accommodating electrolyte at least. The cathode plate and the anode plate are both in contact with the electrolyte. The cathode plate and the anode plate are arranged in parallel and oppositely along the horizontal direction. The first surface of the cathode plate faces the anode plate, and the second surface of the cathode plate faces the accommodating cavity. The cathode plate and the anode plate are arranged in parallel and oppositely along the horizontal direction, that is, the distance between the cathode plate and the anode plate is uniform, which can greatly increase the effective reaction area between the cathode plate and the anode plate and improve the efficiency of the electrochemical reaction. The above arrangement can ensure the uniform distribution of the current density, that is, the electric field, reduce the uneven corrosion in the electrolysis process, improve the electrolysis efficiency, optimize the ion transmission path and thus improve the oxygen reduction efficiency.

The utility model relates to a water electrolysis device and a water electrolysis system, and the water electrolysis device comprises a first tank body which is internally provided with an electrode for electrolyzing a target medium; the second tank body is erected above the first tank body; the two groups of pipeline assemblies are used for communicating the first tank body with the second tank body; and the heat exchange device acts on at least one group of pipeline components, so that temperature difference is obtained between the two groups of pipeline components, and fluid circulation is formed between the first tank body and the second tank body. According to the technical scheme, the substance conveying path in the electrolysis process is effectively improved, particularly fluid circulation between the first tank body and the second tank body is effectively improved, stable proceeding of the electrolysis process is guaranteed, and the production efficiency and safety are improved.

The application discloses an electro-catalysis-plasma coupling device for recovering elemental nickel from chemical nickel waste liquid and relates to the technical field of wastewater treatment. The device comprises a movable box body, an electrolysis unit and a plasma treatment unit arranged in the movable box body. The device integrates electrolysis, plasma, temperature control and circulation in the movable box body, has a compact structure, is convenient to transport and deploy on site, and is suitable for various scenes such as laboratories, electroplating workshops and wastewater treatment stations. A heating device is arranged in the electrolytic tank to heat and maintain the electrolyte in a target temperature range. A plasma generator is arranged to perform plasma quenching treatment on the electrolyte during electrolysis, significantly improve the concentration of free nickel ions in the electrolyte, improve the electrodeposition effect, and control the wastewater to quickly reach the electrolysis water level through the overflow port, the stainless steel rod, the magnetic pump, the check valve and the distribution box. The discharged electrolyte can be sent back to the electrolytic tank for re-electrodeposition by changing the placement of the water inlet pipe, thereby improving the recovery amount of nickel.

Electrodes for electrolytic processes, particularly anodes suitable for oxygen evolution in industrial electrolytic processes, and methods for producing them. More specifically, MMO-coated titanium anodes for electrochemical reactions used in oxygen evolution reactions (OER) in various applications such as electrolytic extraction, electroplating, electrogalvanizing, and electrolytic copper foil manufacturing, as well as methods for producing anodes.

The invention relates to the technical field of formaldehyde removal materials, in particular to a formaldehyde removal anode material capable of automatically generating a manganese-series catalyst, which is prepared from an iron-based alloy and no less than 2% of elemental manganese, and a manganese dioxide catalytic film layer can be automatically generated on the anode surface in the electrolysis process. And after being damaged, the film layer can be self-repaired under the condition of continuous electrolysis work or contact with oxygen. In the working process of electrolysis in water, a manganese dioxide catalytic film layer is formed on the surface of the anode, and the film layer has excellent electro-catalytic activity, so that the reaction rate and thoroughness of formaldehyde oxidation can be remarkably improved. Compared with a traditional anode which has no catalytic activity or is fixedly coated with a catalytic layer on the surface, the material can continuously maintain high catalytic efficiency, and it is ensured that formaldehyde is efficiently converted into harmless carbon dioxide and water under low energy consumption.

The utility model discloses a laboratory is with aluminum alloy electrolytic polishing device relates to electrolytic polishing device technical field, include: electrolytic tank, its inside is equipped with mutually parallel arrangement's anode column and cathode column, install the board, fix in anode column bottom portion is used for clamping work piece, baffle, vertical fixed in the middle part of install the board, and one pair of flow guide curved surface is arranged to both sides symmetry, impeller subassembly, including the rotation impeller that symmetry is equipped with baffle both sides, the utility model discloses the flow guide curved surface of baffle both sides symmetry arrangement cooperates with symmetry's rotation impeller, and the electrolyte is swept when impeller rotates and is washed work piece through flow guide curved surface, makes the electrolyte can even function on work piece surface, realizes efficient polishing, the arc flow guide block that sets up can drain the electrolyte after washing, and the electrolyte more smoothly flows to electrolysis area under the guidance of guide plate, and the sinking type collection tank can collect the electrolyte after the drainage of arc flow guide block and the foreign matter generated in electrolytic process.

The invention relates to the technical field of water electrolysis, and particularly discloses a method, a device and a system for producing hydrogen by electrolyzing low-temperature all-gaseous water vapor. The invention aims to overcome the limitations of the existing water electrolysis technology in the aspects of energy efficiency, cost, system complexity, operation flexibility, environmental adaptability and the like. The core of the invention is as follows: under the mild condition of lower than 90 DEG C, water is simultaneously supplied to the cathode and the anode of the electrolytic bath in the form of pure gaseous water vapor, and the specially designed membrane electrode assembly and the internal water management structure are utilized to efficiently decompose the water vapor under the action of direct current to generate high-purity hydrogen and oxygen. In the whole electrolysis process, direct input and circulation of liquid water are avoided, gas-solid two-phase interface reaction is achieved, a water balance system is remarkably simplified, the size and weight of equipment are reduced, and the problems of bubble coverage and mass transfer resistance of traditional liquid phase electrolysis are solved. The device disclosed by the invention has the characteristics of modularization and miniaturization, and the net power consumption of unit hydrogen production is obviously reduced.

The utility model relates to anode slime technical field, concretely is a kind of electrolytic anode slime lead content adjusting assembly, including support rod, the surface of support rod is installed with jar body, the surface of jar body is installed with servo motor, the surface of servo motor is installed with output shaft, the surface of output shaft is installed with stirrer, the surface of jar body is connected with feed pipe, the surface of jar body is connected with discharge pipe, the surface of output shaft is equipped with cleaning device, and the cleaning device includes gear ring.The utility model avoids that the impurity possibly remaining on the inner wall of jar body can participate in electrode reaction in subsequent electrolysis process, leads to the reaction process of electrode surface becomes complex, and some impurities with catalytic activity possibly change the rate and selectivity of electrode reaction, so that the originally expected lead ion discharge and deposition process are disturbed, the precision control of anode slime lead content is influenced, the cleanness of jar body inner wall is improved, and the precision of anode slime lead content is further improved.

An electrolysis reactor for electrolytically generating one or more metal cathode product(s) includes a dimensionally stable anode (DSA) and a cathode positioned in a molten salt electrolyte containing fused salts, wherein the DSA includes a graphite substrate and a non-ceramic, transition metal oxide coating on the substrate and wherein during electrolysis the one or more metal cathode product(s) are produced at the cathode.

The application discloses a kind of mechanism and data collaborative driving-based copper electrolysis effluent concentration accurate prediction modeling method, specifically related to artificial intelligence empowerment nonferrous metallurgy clean production field, including: the creation, cleaning and screening of input data set, output data set;Carry out data conversion processing;Build theoretical model, use theoretical formula to build Me concentration prediction model;Optimize model parameters by least square method;The residual error of theoretical model is learned using machine learning algorithm, and the prediction result of theoretical model is corrected;Save the model as training model, change the hyperparameter of initial prediction model, train multiple times, select the training model with the smallest average absolute percentage error and the largest determination coefficient as the final prediction model;Evaluate the prediction effect of training set model applied to test set.The present application can accurately predict the effluent concentration of copper electrolysis refining Me ion, and lay a model foundation for the quality control of electrolyte and the optimization of electrolysis process.

This invention belongs to the field of electrochemical deoxygenation technology, specifically relating to an electrochemical oxygen atmosphere control system and method. The system, from bottom to top, includes a porous bottom cover, a first hydrophobic and breathable membrane, an oxygen-consuming cathode, a liquid-conducting diaphragm, an oxygen-evolving anode, a second hydrophobic and breathable membrane, and a porous top cover. Each component layer forms a zero-gap contact through the clamping force of the outer shell, enabling the device to achieve an ultra-thin thickness. The liquid-conducting diaphragm has a transverse liquid-conducting groove extending to the external electrolyte chamber, utilizing capillary action to achieve rapid electrolyte replenishment and eliminate local hot spots. Through the coupling design between the hydrophobic and breathable membrane and the electrode interface, oxygen generated by the oxygen-evolving anode directly penetrates and overflows in the form of gas molecules, effectively suppressing bubble formation and accumulation in traditional electrolysis processes, and significantly reducing the ohmic resistance of the interface and operating energy consumption. This invention features an extremely thin structure, high reaction efficiency, and no bubble interference, making it suitable for precise oxygen concentration control in spaces such as refrigerators and precision storage environments.

The invention belongs to the technical field of metal purification and preparation, and particularly relates to a method for preparing high-purity iron through magnetized electrolyte assisted electrolysis. The method comprises the following steps: 1) obtaining a hydrated ferrous salt solution as an electrolyte; 2) removing impurities from the electrolyte obtained in the step 1); (3) magnetizing the electrolyte subjected to impurity removal; and (4) the magnetized electrolyte obtained in the step (3) is placed in an electrolysis device to be electrolyzed, pure iron with the purity larger than or equal to 99.9% is obtained on a cathode, and in the electrolysis device, the anode material is pure iron with the purity larger than or equal to 99%. According to the invention, the electrolyte is magnetized in a uniform magnetic field, and the magnetized electrolyte is electrolyzed. In the electrolysis process, the deposition rate of the electrolytic iron on the cathode plate is increased, the energy consumption in the electrolysis process is reduced, and meanwhile, the integrity of the electrolytic iron on the cathode plate is also improved.

This invention belongs to the field of copper foil technology and discloses a high-heat-resistant electrolytic copper foil and its preparation method. The invention first electrolyzes the copper foil in an electrolyte containing additives to obtain electrolytic copper foil; then, the electrolytic copper foil is sequentially acid-washed and roughened to obtain roughened electrolytic copper foil; next, the surface of the roughened electrolytic copper foil is sequentially subjected to blackening treatment, heat-resistant treatment, passivation treatment, and coupling agent treatment to obtain a high-heat-resistant electrolytic copper foil. By optimizing the additives and electrolysis conditions in the electrolytic process, this invention produces electrolytic copper foil with good heat resistance and elongation, exhibiting good stability during processing. Furthermore, this invention combines blackening treatment, heat-resistant treatment, and passivation treatment to significantly improve the heat resistance and oxidation resistance of the electrolytic copper foil, meeting the requirements for the preparation of high-performance printed circuit boards. The silane coupling agent treatment on the surface also increases the adhesion between the electrolytic copper foil and the substrate.

The present invention belongs, in general, to the technical field of industrial chemistry, and more specifically, to a process for the industrial production of electrolytes intended for fuel cells, batteries, rechargeable batteries, capacitors and accumulators, or any energy storage element that generates an electric current by ionization chemistry. This electrolytic process replaces the salt bridge of chemical accumulators, which connects the ions and electrons between the negative anode and the positive cathode, thus improving performance and efficiency. In addition, the electrolyte can be made from 100% organic materials (e.g. fructose acid or acetic acid) and limestone extracted from food. Thus, 100% organic and biodegradable batteries can be produced.

The utility model provides a bubble eliminating device in an electrolytic copper electrolysis process, belongs to the technical field of electrolytic copper, and aims to solve the problem that in an existing electrolytic bath, although bubbles can be brought to a liquid level by mechanical stirring and electrolyte circulation, the surface quality of cathode copper is still possibly influenced due to the fact that an electrode top area is close to a bubble layer. Comprising an electrolytic bath, a front water blocking tank, a driving cylinder, a defoaming assembly and a filtering and separating assembly, the front water retaining tank is fixedly connected to the front of the electrolytic cell; the bottoms of the two driving cylinders are fixedly connected to the left side and the right side of the electrolytic cell correspondingly. The defoaming assembly is arranged inside and in front of the electrolytic bath; and the filtering and separating assembly is arranged in front of the electrolytic bath. The flow direction of the electrolyte is controlled through the water retaining block, the electrolyte containing bubbles is introduced into the water storage tank, the bubbles are broken through the defoaming pump and circularly reinjected into the electrolytic bath, meanwhile, copper slag is intercepted by the filter plate, and the quality of the electrode is guaranteed.

The invention discloses a scrap copper self-adaption electrolytic refining method and system based on an impurity fingerprint spectrum, and the method comprises the following steps that a mapping relation database of the impurity fingerprint spectrum and electrolysis process parameters is constructed, and the impurity fingerprint spectrum at least comprises the type, content and phase form information of impurity elements; component analysis is conducted on the scrap copper anode plate to be treated, and an impurity fingerprint spectrum of the scrap copper anode plate is obtained; the obtained impurity fingerprint spectrum is matched with a database, and an optimized electrolysis process parameter combination is dynamically generated based on a matching result; the electrolytic refining process is executed according to the optimized electrolysis process parameter combination, and feedback control is conducted based on real-time monitoring data in the electrolysis process; according to the method, the characteristics of the raw materials can be recognized in real time, the electrolysis process is dynamically optimized, high-efficiency, high-quality and stable treatment of different-component scrap copper is achieved to prepare high-purity copper, and the defect that a fixed-formula electrolysis technology cannot adapt to component fluctuation of the scrap copper raw materials is overcome.