27 results about "Stannous sulfate" patented technology

The invention discloses a nano spherical SnPd oxide, which is prepared by the following steps: firstly, cross-linking tannic acid and formaldehyde at room temperature by taking F127 as a surfactant, then adding stannous sulfate and palladium nitrate dihydrate for chelation, carrying out hydrothermal reaction to obtain a SnPd phenolic hybrid, and finally, calcining to obtain the nano spherical SnPd oxide, namely SP for short. SP is an n-type semiconductor, and the chemical composition of SP is SnO2 and Pd; the diameter of the mesoporous nanosphere is 100-150nm, and the average pore size of the mesoporous nanosphere is 5-7nm. The preparation method comprises the following steps: 1, preparing the SnPd phenolic hybrid SPZ; 2, preparation of an SnPd oxide SP; according to the SP-based hydrogen sensor and the preparation method thereof, the response value is 14.6, the response time is 1.5-2 seconds, the recovery time is 7-10 seconds, and the minimum hydrogen concentration detection is 0.2 ppm; the cycling stability reaches 30 days; the catalyst has selectivity on ammonia gas, methane, carbon dioxide, carbon monoxide and nitrogen dioxide.

The application relates to the technical field of lead-acid battery electrolyte, and discloses a lead-acid battery electrolyte composite additive, an electrolyte and a preparation method thereof. The electrolyte composite additive comprises the following components: hexadecyl trimethyl ammonium bromide, stannous sulfate, an organic phosphonic acid sodium salt and 1,8-diazabicyclo[5.4.0]undec-7-ene. The electrolyte composite additive solves the problems of fast battery capacity attenuation and short battery service life of the lead-acid battery in a low-temperature environment, and improves the low-temperature resistance of the lead-acid battery.

The invention discloses positive lead paste with high active substance utilization rate and a preparation method thereof, and relates to the technical field of positive lead paste of lead storage batteries. The positive lead paste comprises 100 parts of lead powder, 6 to 8 parts of red lead, 0.1 to 0.2 part of graphite, 0.1 to 0.2 part of stannous mono-sulphate, 0.05 to 1 part of antimony trioxide, 0.2 to 0.8 part of short fiber, 0.1 to 0.2 part of sulfonic polythiophene derivative additive, 5 to 15 parts of sulfuric acid and 1 to 10 parts of water. By adding the sulfo polythiophene derivative as an additive, the prepared positive lead paste has good electrochemical oxidation-reduction performance, and can promote the improvement of the conversion efficiency of positive active substances, effectively reduce the resistance of a lead-acid battery, improve the initial performance of the lead-acid battery and prolong the cycle life of the lead-acid battery when being applied to the lead-acid battery; and contributions are made to the development of lead-acid batteries.

The application belongs to the technical field of batteries and electric power, and discloses a storage battery activating liquid for a transformer substation, which is characterized by being composed of sodium sulfate, sodium chloride, calcium phosphate, magnesium phosphate, cobalt sulfate, cadmium sulfate, stannous sulfate, copper sulfate, zinc sulfate, nickel sulfate and aluminum sulfate solution. The application also discloses a storage battery activating method for a transformer substation and a holiday barbecue vehicle activated by the activating method. The application has the following main beneficial effects: good activating / repairing effect, improved capacity of returned storage batteries, chemical environmental protection, low cost and wide application range.

The application discloses a lead-sodium storage battery positive pole lead paste in the technical field of storage batteries, which comprises the following components by weight: lead oxide powder 100 parts, sulfuric acid 6-10 parts, deionized water 14-24 parts, short fibers 0.05-0.07 parts, lead dioxide 2-8 parts, lead sulfate 1-2 parts, calcium sulfate 0.5-1.5 parts, stannous sulfate 0.05-0.15 parts, antimony trioxide 0.05-0.15 parts, carbon black 0.5-1 part, sodium hydroxymethyl cellulose 0.1-0.2 parts and mixed carbon material 0.1-0.5 parts. Through the design improvement of the process, the application can effectively improve the formation efficiency, low-temperature performance and service life of the storage battery.

The invention discloses a chemical tin plating solution suitable for fine-pitch high-density interconnection and a preparation method of the chemical tin plating solution, and belongs to the technical field of chemical tin plating. The chemical tin plating solution suitable for fine-pitch high-density interconnection comprises the following components: 12-20 g / L of stannous mono-sulphate, 35-45 mL / L of sulfuric acid, 90-110 g / L of a complexing agent, 30-45 g / L of a reducing agent, 1.2-1.8 g / L of a stabilizer, 1.5-3 g / L of a dispersing agent, 0.8-1.2 g / L of a surfactant, a pH regulator and water. The invention also provides a preparation method of the composition. Compared with the prior art, the dispersing agent is obtained through condensation and sulfonation of the ketone-containing monomer and the formaldehyde, and wettability is improved after sulfonation, so that the blind hole filling problem of fine-pitch electroplating can be solved, and the tin plating solution can form a uniform and stable tin protection layer in a tiny bonding pad and dense wiring environment.

The invention discloses a method for photochemically preparing a triazinyl polymer / tin oxide composite material, and the photochemical preparation method of the triazinyl polymer / tin oxide composite material comprises the following steps: dissolving 3 wt% of stannous mono-sulphate and 3 wt% of sulfuric acid in deionized water, adding a triazine structure polymer, and dispersing to obtain a precursor solution; and irradiating the precursor solution with 254nm ultraviolet light at the light intensity of 12-20mW / cm < 2 > for 6-24 hours, centrifuging, and drying to obtain the triazinyl polymer / tin oxide composite material. According to the preparation method, SnO2 is generated by oxidizing Sn < 2 + > under the induction of ultraviolet light, and the SnO2 and the triazine structure polymer are compounded in situ to form the triazine structure composite material, so that the SnO2-based composite material has wide spectral response and high stability, and the preparation method is simple in process, green, environmentally friendly and suitable for the fields of industrial wastewater treatment and solar energy conversion.

The invention provides a deplating solution. The deplating solution comprises the following components in percentage by weight: 10%-30% of sulfuric acid, 0.5%-1.5% of stannous mono-sulphate, 0.5%-2.5% of sodium sulfate, 0.5%-2.5% of a complexing agent, 0.1%-0.5% of an antioxidant, 1%-3% of a copper protection agent, 0.1%-0.5% of an additive and the balance of water, wherein the complexing agent is any one or two of sulfamic acid, methanesulfonic acid, phenolsulfonic acid and citric acid; the antioxidant is any one of resorcinol, hydroquinone and ascorbic acid; the copper protection agent is a core-shell structure corrosion inhibition microsphere, the core-shell structure corrosion inhibition microsphere takes hollow silicon dioxide as a core, the surface of the core-shell structure corrosion inhibition microsphere is grafted with benzotriazole, the outer layer of the core-shell structure corrosion inhibition microsphere is coated with a layer of pH sensitive type polymethylacrylic acid hydrogel shell, and the particle size is controlled to be 5-20 microns; the additive is any one of polyethylene glycol and gelatin. By optimizing the formula of the deplating solution and especially upgrading the copper protection agent system, efficient and lossless deplating of the tin-containing plating layer is achieved, meanwhile, the tin and copper recovery purity is improved, and the service life of the deplating solution is prolonged.

The invention discloses a raspberry structure Pd-Sn-O / Pd-Sn composite material, which is obtained by taking stannous mono-sulphate and palladium chloride as raw materials through hydrothermal reaction and calcination, the components are PdO, SnO2 and Pd2Sn, the microstructure is a raspberry structure, and the size of a single nanoparticle is 15-20 nm. The preparation method comprises the following steps: 1, preparing Pd / Sn-MOF; and 2, synthesis of PdO / SnO2 / Pd2Sn is carried out. A gas sensor based on Pd-Sn-O / Pd-Sn is characterized in that under the conditions that the test temperature is 77.32 DEG C and the test humidity is 5%, the response rate to 2000 ppm H2 is 25000-30000%, the response time is 1-2 s, and the recovery time is 180-190 s; the detection gases are respectively H2, NO2, CO, NH3, H2S and CH4; under the condition that the concentration of the tested gas is the same, the selectivity to H2 is extremely high under the condition that the concentration of the tested gas is 1000 ppm, and the response rate of 1000 ppm H2 is 7000-8000%; according to the invention, under the condition that the humidity is 0-90%, the response rate to H2 is achieved, that is, the humidity resistance is achieved, and under the condition that the humidity is 90%, the response rate to H2 reaches 5000-6000%.

The invention belongs to the technical field of preparation of storage batteries, and particularly relates to a formula of a storage battery positive electrode lead paste. Comprising 800-1000 parts of lead powder, 1-5 parts of sodium antimonate, 0.5-3 parts of stannous mono-sulphate, 1-5 parts of graphite and 1-5 parts of conductive fibers. Wherein the sodium antimonate is the mass fraction of the sodium antimonate in the sodium antimonate aqueous solution, and the stannous sulfate is the mass fraction of the stannous sulfate in the stannous sulfate dilute sulfuric acid solution. According to the storage battery positive electrode lead paste disclosed by the invention, by using the components, in the preparation process, through a formula and a preparation method of liquid components, a specific positive electrode additive combination is adopted, and the dosage of the liquid components is controlled within a certain range, so that the prepared lead paste is uniform in texture and has good uniformity; the argillization of the positive lead plaster is delayed; and the discharge capacity and the cycle life of the battery are improved.

This invention discloses a positive electrode paste for lead-acid batteries with high cycle stability and its preparation method, belonging to the field of electrochemical energy storage technology. Rice husk ash is acid-treated to obtain a wet filter cake. The wet filter cake is refluxed with silane coupling agent KH-550 to obtain functionalized rice husk ash. The functionalized rice husk ash, pyrrole, and ammonium persulfate are mixed and stirred to obtain a composite conductive agent. Aniline, o-aminobenzoic acid, and ammonium persulfate are mixed and stirred to obtain a conductive copolymer. The conductive copolymer is mixed with N-methylpyrrolidone to obtain a dispersion, and glycerol is added and stirred to obtain a modified precursor solution. Lead powder, mixed conductive agent, polypropylene short fibers, stannous sulfate, sulfuric acid solution, deionized water, and the precursor solution are mixed to obtain the positive electrode paste. This method improves the structural stability and electronic conductivity of the positive electrode active material, effectively inhibits the shedding of active material and interface peeling during cycling, and extends the cycle life of the battery under high-rate partial charge conditions.

The invention relates to the technical field of lead-acid storage batteries, and particularly discloses a preparation method of an electrolyte of a lead-acid storage battery, the electrolyte, the lead-acid storage battery and a charging process of the lead-acid storage battery. The preparation method of the electrolyte of the lead-acid storage battery comprises the following steps: mixing hydroxypropyl methyl cellulose, fumed silica with high specific surface area and silica sol step by step in an alkalescent environment; preparing a composite colloid mother solution; preparing a sulfuric acid mixed solution containing anhydrous sodium sulfate, stannous sulfate and potassium sulfate; and mixing the two according to a ratio and cooling to below 5 DEG C to obtain the gel electrolyte which is high in stability and easy to pour. According to the charging process, a refined process including multiple charging and discharging cycles is adopted, polarization is eliminated through short-time discharging, and backward batteries are screened in combination with voltage detection. According to the invention, the problems of easy layering, difficult perfusion and short battery life of the traditional gel electrolyte are effectively solved, and the cycle life and the use performance of the battery are remarkably improved.

The application discloses a kind of chemical plating black nickel concentrated solution, including concentrated solution A, concentrated solution B and concentrated solution C, concentrated solution A includes nickel sulfate, stannous sulfate, zinc sulfate, sodium hypophosphite, sodium citrate, sodium acetate, sodium lactate, sulfur-containing amino acid, stabilizer, ammonia and deionized water, concentrated solution B includes sodium hypophosphite, zinc sulfate, sodium acetate, sodium lactate, stabilizer and deionized water, concentrated solution C includes nickel sulfate, stannous sulfate, sodium citrate, sulfur-containing amino acid, ammonia and deionized water.The application also discloses its preparation method, plating method and application.The black nickel layer prepared from the chemical plating black nickel concentrated solution of the application not only has excellent blackening effect and luster, but also has excellent wear resistance, corrosion resistance and bonding force when directly contacting with metal substrate.The chemical plating bath has long service life and self-regulating control of pH value by continuous supplementing, and the plating speed is stable during the whole plating process.

The application discloses a preparation method of mesoporous silver oxide-tin dioxide nanosphere gas-sensitive material and application thereof, and comprises the following steps: taking tannic acid as a complexing agent and a reducing agent, taking stannous sulfate and silver nitrate as metal precursors, and preparing the mesoporous silver oxide-tin dioxide nanosphere gas-sensitive material through one-step hydrothermal method. The mesoporous silver oxide-tin dioxide nanosphere gas-sensitive material prepared through the method can detect formaldehyde gas under low-temperature conditions.

The invention relates to the technical field of positive lead paste of lead-acid storage batteries, and particularly discloses positive lead paste of a valve-regulated sealed lead-acid storage battery and a preparation method of the positive lead paste. Functional components such as stannous sulfate, antimonous oxide, graphite, a silicon dioxide dispersion liquid and hydroxylamine sulfate are added, the weight ratio of all the components is precisely regulated and controlled, all the additive components have a synergistic effect, graphite constructs a low-resistance conductive network, nano-silicon dioxide inhibits softening of lead plaster, short fibers reinforce structural stability, and hydroxylamine sulfate reduces vulcanization of a polar plate. According to the invention, the core problems of poor low-temperature charge-discharge performance, easy falling of active substances, short cycle life and the like of the valve-regulated sealed lead-acid storage battery in a low-temperature energy storage scene are solved, and meanwhile, the valve-regulated sealed lead-acid storage battery is compatible with the existing industrial production process and has remarkable technical advantages and application value.

The invention relates to the field of gun color electroplating, and discloses an environment-friendly cobalt-free gun color electroplating process which comprises the following steps: putting stannous mono-sulphate, a sodium erythorbate solution, a complexing agent and a blackening agent into a plating tank which is used for the first time or is cleaned and overhauled to obtain a plating solution; detecting the baume degree, the pH value and the bivalent tin ion concentration of the plating solution; putting the workpiece into the plating solution, and turning on a power supply for electroplating; the mass concentration of the sodium erythorbate solution is 10%; the complexing agent comprises the following components in percentage by mass: 20% of sodium gluconate, 15% of sodium citrate and 65% of deionized water; the blackening agent comprises the following components in percentage by mass: 5% of cystine, 10% of o-benzoyl sulfimide and 85% of deionized water. Tin serves as core metal ions, a cobalt-free plating solution formula is adopted, dependence on scarce metal cobalt is eliminated fundamentally, the electroplated pure black plating layer does not contain cobalt alloy, the problem that the internal stress of the plating layer is high in a traditional tin-cobalt process is effectively solved, and the pure black plating layer is free of radioactivity and completely meets the latest European Union standard.

The application discloses a kind of softness printed circuit board with chemical tin solution, belong to the technical field of circuit board.The chemical tin solution includes stannous sulfate, methyl sulfonic acid, reducing agent, thiourea, complexing agent, phytic acid, ethylenediaminetetraacetic acid disodium, active agent, lanthanum chloride and fluorine-substituted benzimidazole protective agent.Compared with prior art, the hydrophobic network constructed by fluorine-substituted benzimidazole protective agent of the application effectively blocks the penetration of environmental humidity, improves the salt fog resistance and tin thickness of the chemical tin solution, optimizes the grain boundary structure by synergistic effect of rare earth metal additive and composite complexing agent, significantly improves the compactness and uniformity of the coating, meets the fine pitch wiring requirement.In addition, the application can also promote the uniform nucleation of tin ions, inhibit the growth of tin whiskers, achieve high flatness coating, reduce local micropores and cracks, and has high reliability and good application prospect.

The invention discloses positive lead paste of a lead-acid storage battery for long-service-life power, a preparation method and application. The invention provides positive lead paste of a lead-acid storage battery for long-life power. The positive lead paste comprises the following components in parts by weight: 80-85 parts of lead powder; 5-10 parts of sulfuric acid; 8 to 12 parts of pure water; 0.1 to 0.15 part of graphite; 0.08 to 0.1 part of short fiber; 0.08 to 0.1 part of antimony trioxide; 0.1 to 0.12 part of stannous mono-sulphate; 0.05 to 0.1 part of bismuth trioxide; and 0.05 to 0.1 part of rubidium hydroxide. Bismuth trioxide and rubidium hydroxide are added into a conventional lead paste formula, so that the binding force between active substances and a grid and the binding force between the active substances are improved, and the cycle life of the battery is further prolonged.

This invention discloses an air-circulating drying device for stannous sulfate, comprising a base, a support frame on the base, and a drying chamber mounted on the support frame. The drying chamber has openings at both the top and bottom. A filter cover is connected to the top opening of the drying chamber, and a horizontally movable material box is connected to the bottom opening of the drying chamber. A moving mechanism for moving the material box is provided at the bottom of the material box. A guide mechanism cooperating with the moving mechanism is provided on the base. A hot air blower and a dehydration tank are also provided on the base. A circulation pipe connects the dehydration tank and the filter cover, and a solenoid valve is installed in the circulation pipe. A Y-shaped pipe connects to the air inlet of the hot air blower. This invention has a reasonable structural design. The support frame can move to the bottom of the drying chamber with the guide block. After the electric push rod is activated, the material box and the drying chamber are connected. Hot air is delivered to the air duct by the hot air blower. The material is lifted by the angle steel and falls, allowing it to contact the hot air for drying.

The invention discloses an anti-corrosion positive electrode material of a lead acid storage battery, a preparation method of the anti-corrosion positive electrode material and a positive electrode plate, and relates to the technical field of positive electrode materials, and the positive electrode material comprises the following components in parts by weight: 1-2 parts of graphite, 1-1.5 parts of stannous sulfate, 1-1.5 parts of antimony trioxide, 0.2-1 part of modified sodium borate, 1-1.5 parts of short fibers, 1100-1200 parts of lead powder, 50-80 parts of red lead and 100-110 parts of mixed paste acid. The surface of the modified sodium borate has a layered structure, CeO2 is synthesized in the layered structure, and an electron channel is formed, so that the electrochemical performance can be improved; meanwhile, when the positive electrode plate is manufactured, CeO2 is directionally migrated to a grid interface during curing and melting, and forms a three-dimensional interpenetrating network structure with Pb3 (BO3) 2 on a grid plate, so that the bonding strength of the positive electrode material and the grid plate is enhanced, and the bonding vacancy is reduced, and therefore, the positive electrode plate can be prevented from being eroded, and the current corrosion density of the positive electrode plate can be further improved; meanwhile, the electrochemical performance of the positive electrode plate is improved.

The invention relates to a method for optimizing stannous sulfate crystallization by actively regulating and controlling cavitation bubble dynamic behaviors through cooperation of ultrasound and a negative pressure field, and belongs to the technical field of inorganic salt crystallization control. In order to solve the problems that in the prior art, ultrasonic cavitation is difficult to regulate and control, and explosive nucleation is prone to occurring in traditional negative pressure evaporation, an optimized crystallization mechanism of cavitation threshold regulation and bubble optimization regulation is adopted, the cavitation threshold of liquid is remarkably reduced by constructing a negative pressure environment, a controlled cavitation bubble group is generated through induction of low-power-density ultrasonic waves, and the cavitation effect of the liquid is improved. The two types of cavitation bubbles are precisely regulated and controlled, the steady-state cavitation bubbles are used as heterogeneous nucleation sites, nucleation energy barriers are reduced, and crystals are induced to grow orderly; and micro-jet generated by collapse of transient cavitation bubbles is utilized to strengthen mass transfer and scatter soft aggregates. According to the method, the contradiction between thermodynamics and dynamics in the crystallization process is solved through a physical field coupling means, crystal agglomeration acceleration is effectively inhibited, and the stannous sulfate product which is narrow in particle size distribution, high in density and regular in morphology is prepared.

The application discloses a modification method of a stainless steel mesh cathode and application of the stainless steel mesh cathode in microbial electrolytic cell sewage phosphorus recovery, and belongs to the field of sewage phosphorus recovery. The modification method of the stainless steel mesh cathode comprises the following steps: taking a stainless steel mesh as a cathode, and adopting an electrodeposition method to prepare a Ni-Co-Sn modified stainless steel mesh cathode; and the electrolyte used in the electrodeposition method comprises sodium citrate, nickel sulfate, cobalt sulfate, stannous sulfate, boric acid and sodium chloride. The method selects a cheap and more beneficial to the attachment of struvite crystallization stainless steel mesh as a cathode, modifies the stainless steel mesh cathode by using nickel cobalt tin, enhances the phosphorus recovery rate by improving the hydrogen evolution performance, shortens the reaction time, and achieves the purpose of obtaining a high phosphorus recovery rate in a short time.

The invention discloses a parking air conditioner battery positive electrode lead plaster with long low-voltage charging cycle life and a preparation method, the positive electrode lead plaster comprises the following components in parts by weight: 70-92 parts of lead powder, 0.06-0.15 part of antimony trioxide, 0.08-0.2 part of stannous mono-sulphate, 0.06-0.12 part of ultra-strong short fiber, 0.1-0.20 part of graphite, 0.02-0.12 part of single-wall carbon nano-tube, 6-10 parts of pure water and 5.8-9.8 parts of dilute sulphuric acid, the lead powder contains 72-76 wt% of PbO, the size of the ultra-strong short fiber is 2-5mm, the size of the pure water is 2-5mm, and the size of the pure water is 2-5mm. The density of the dilute sulfuric acid is 1.25-1.5 g / cm < 3 The preparation method comprises the steps of composite additive preparation, lead powder premixing, acid mixing and paste mixing, the acid spraying time is controlled to be 18-22 min, the maximum paste mixing temperature is 70-80 DEG C, and the paste discharging temperature is lower than 50 DEG C. A high-efficiency conductive network is constructed through synergistic modification of core components, sulfation and electrolyte layering are inhibited, the cycle life of the battery under the parking working condition exceeds 300 times and is prolonged by 50% or above compared with that of a traditional product, the formula process is adaptive to an existing production line, the yield is high, and the battery is suitable for parking air conditioners and other low-voltage charging scenes and has important practical value and popularization significance.

The invention relates to the technical field of metal powder metallurgy, and discloses a production method for low-apparent-density iron-copper-tin-cobalt alloy powder, which can effectively reduce the cost and realize controllable production. The production method of the low-apparent-density iron-copper-tin-cobalt alloy powder comprises the following steps: S1, selecting low-apparent-density iron powder as a precursor, feeding the precursor into a reaction kettle in which an acid solution is added, and carrying out surface pretreatment to prepare a metal core; s2, the prepared copper salt solution is guided into a reaction kettle with the surface pretreated to be subjected to copper metal replacement coating; s3, on the basis of the copper-coated iron powder, a stannous sulfate solution and a cobaltous sulfate solution are introduced, tin and cobalt are deposited through the replacement effect, and multi-component composite powder is formed; and S4, washing and drying the completely coated product to obtain the low-apparent-density copper-iron-tin-cobalt pre-alloyed powder. The production method of the low-apparent-density iron-copper-tin-cobalt alloy powder is simple and controllable in process, and the requirement of large-scale industrial production can be well met.

The invention discloses lead paste of a lead storage battery and a preparation method of the lead paste, and belongs to the technical field of lead storage battery production. The lead paste of the lead storage battery is prepared from the following components in parts by weight: 950 to 1000 parts of lead powder, 0.2 to 0.4 part of acetylene black, 0.03 to 0.06 part of carbon nano tube, 3.0 to 5.0 parts of tetrabasic lead sulfate, 0.7 to 1.0 part of short fiber, 0.5 to 1.0 part of antimony trioxide, 0.01 to 0.03 part of bismuth trioxide, 1 to 2.0 parts of polytetrafluoroethylene emulsion, 0.05 to 0.1 part of nano silicon dioxide, 1.0 to 1.5 parts of stannous mono-sulphate, 85 to 90 parts of dilute sulfuric acid and 110 to 125 parts of deionized water. Polytetrafluoroethylene in the polytetrafluoroethylene emulsion is wrapped and modified by methyl methacrylate, butyl acrylate and trifluoroethyl methacrylate, so that the flexibility of a polymer chain is enhanced, a more uniform three-dimensional network structure is formed in the electrode slurry, the falling of active substances is reduced, the battery performance is improved, and the cycle life of the battery is prolonged.

The invention provides a preparation method of a foamy copper-based seawater electrolysis oxygen desorption material, which comprises the following steps: immersing a foamy copper matrix in an activating treatment solution composed of stannous mono-sulphate, citric acid, ammonium sulfate, sulfamic acid and deionized water for surface activating treatment to obtain activated foamy copper; the activated foamy copper is immersed in the electro-deposition liquid, electro-deposition is carried out under water bath heating at trapezoidal / semi-cycle sine anisotropic potential, and a tin-nickel-manganese-chromium multi-element electro-deposition layer is formed on the surface of a foamy copper matrix; and carrying out Er modification and oxygen atom introduction surface treatment on the tin-nickel-manganese-chromium multi-element electro-deposition layer to finally obtain the oxygen evolution material. The seawater electrolysis oxygen desorption material prepared by the method has excellent reaction activity and excellent corrosion resistance.