379results about How to "Avoid passivation" patented technology

A preparation method of iron-carbon micro-electrolytic filler relates to a preparation method of the micro-electrolytic filler for treating wastewater, comprising the following steps: using scrap iron with grain diameter of less than 60 meshes, active carbon powder with grain diameter of less than 100 meshes and rare-earth metal powder as raw materials; using hydrochloric acid solution with mass percentage of 5% for acid washing the scrap iron to activate the scrap iron; mixing the scrap iron with the active carbon powder and the rare-earth metal powder on mass percent of 85%: (14.91-14.00)%: (0.01-0.09)%; using a press machine to add the powder mixture to a Bauer ring-shaped mould for molding at 200 kN; demolding to obtain rough product; heating the rough product for 90-100 min at 1050-1200 DEG C in the absence of air; and then annealing to obtain the iron-carbon micro-electrolytic filler. The iron-carbon micro-electrolytic filler has good specific surface, excellent micro-electrolytic effect and simple technique, and is capable of effectively preventing passivation of the filler surface and hardening of the filler; moreover, the preparation method is easy to promote and suitable for industrial production.

A tubular radiation absorbing device (1) designed for a solar heating application is described. The tubular radiation absorbing device has a metal central tube (3) and a glass tubular jacket (2) surrounding the central tube (3). A folding bellows (11) is connected between the central tube (3) and the tubular jacket (2), so that the tubular jacket and the central tube are movable relative to each other. A connecting element (20) connects an inner end of the folding bellows (11) with the central tube (3) and extends from the inner end of the folding bellows (11) through an inner annular space (30) between the folding bellows (11) and the central tube (3). The connecting element includes at least a part of a hydrogen window (50). A getter (6) is arranged in an outer annular space (33) between the folding bellows (11) and the tubular jacket (2).

The invention discloses a regular iron-carbon micro-electrolysis filler and a preparation method thereof, belonging to the technical field of sewage treatment. The filler comprises the following components by weight percent: 50 to 80 percent of scrap iron with the diameter is 0.1 to 1 mm , 5-17 percent of powdery active carbon with the diameter of less than 0.1 mm and 15-35 percent of clay with diameter of less than 0.15 mm. The preparation method of the iron-carbon micro-electrolysis filler comprises the following steps of: a, uniformly mixing the filler according to the weight percentages; b, adding water to make the mixture into granular filler with the diameter of 3 to 10 mm; c, putting the filler into an oven and drying at 30 to 50 DEG C; d, moving the filler into a muffle furnace and baking for 2 to 4 hours at 250 to 600 DEG C in an oxygen-isolated condition; and e, cooling after the filler is baked to obtain the regular iron-carbon micro-electrolysis filler. The invention prevents hardening and passivation of the iron-carbon micro-electrolysis filler, is easy to fill and has advantages of good sewage treatment effect, low cost and easy preparation.

The invention discloses gel electrolyte capable of prolonging the service life of a lead-acid battery. The gel electrolyte contains the following raw materials in percentage by weight: 0.1 to 0.5 percent of polyethylene glycol, 0.1 to 1 percent of stannous sulfate, 0.5 to 1.5 percent of sodium sulfate, 0.5 to 1 percent of phosphoric acid, 0.05 to 2 percent of an organic silicon polymer, 0.5 to 8 percent of fumed silica, 35 to 45 percent of sulfuric acid and the balance being de-ionized water. According to the gel electrolyte, the polyethylene glycol is used as a colloid stabilizer and can prevent colloids from being gelled or agglomerated before being filled into the battery and enhance the stability of the colloids to form a stable three-dimensional mesh structure; the stannous sulfate can be oxidized into stannic tin to improve the electrical conductivity of an active substance and the recharging capability of the battery which is discharged; the sodium sulfate can provide a certain quantity of sulfate radicals for electrochemical reaction in the electrolyte to reduce the degree of supersaturation of lead sulfate crystals; silicon-oxygen bonds and hydrogen bonds in the organic silicon polymer can effectively reduce the softening speed of the active substance, inhibit the passivation of the active substance on the surface layer and prolong the service life of the battery.

The invention relates to electric flocculation-air flotation integrated waste water treatment equipment which comprises a water distributing area, an electrolyzing area, an air flotation area, a settling area and a water outlet area, wherein the water distributing area adopts a large-resistance water distributing system; the electrolyzing area adopts an electrode fixing frame for fixing an electrode, the electrode adopts bipolar type connection, and a direct current power supply reverses the electrode at intervals to prevent passivation; after electrolyzing, slag-water separation of the wastewater is completed in the flotation area and the settling area; slag scraping equipment and a slag chute are arranged at the upper part of the flotation area; a sludge collecting board and a sludge discharge pipe are arranged at the lower part of the settling area; and the waste water after being separated by flotation and settling is discharged from the water outlet area. Compared with the original electric flocculation equipment, the invention has the advantages of simple structure, low investment, small floor space, simple operation and maintenance and the like, and the equipment is suitable for treatment of different waste water.

An inventive semiconductor device includes a semiconductor chip having a passivation film, and a sealing resin layer provided over the passivation film for sealing a front side of the semiconductor chip. The sealing resin layer extends to a side surface of the passivation film to cover the side surface.

A method and composition for producing hydrogen by water split reaction, at near neutral pH conditions and without requiring preheating of the reactant materials. Metallic aluminum in particulate form is combined with a metal oxide initiator that raises the temperature of the reactant material upon exposure to water, to a level which initiates reaction of water with the aluminum to generate hydrogen, and a catalyst that creates progressive pitting of the metallic aluminum to prevent passivation. The metal oxide initiator may be an alkaline metal earth oxide, with calcium oxide being preferred. The catalyst may be a water soluble inorganic salt having an aggressive anion, such as the halides, sulfites, sulfates and nitrates of alkaline metals and alkaline earth metals, with sodium chloride being preferred. The metallic aluminum may be in the form of a milled particulate, and may be combined with the salt catalyst in a mechanical alloy. The reaction initiates upon adding normal tap water at ambient temperature, and is capable of generating hydrogen at low pressures or at elevated pressures of 7,000 psig or more. The reaction products can be recycled or disposed of safely without presenting hazards to the environment.

The invention provides a preparation method of a high-toughness metal-based nanometer composite material and belongs to the technical field of composite materials. The preparation method provided by the invention comprises the following steps of: firstly, using an atmosphere heat treatment process, generating a layer of a nanometer ceramic thin film on the sheet-shaped metal powder through reaction in-situ; and then carrying out densifying treatment by using a powder metallurgical process, so as to obtain the large compact metal-based composite material. The metal-based composite material prepared by the invention has a metal / ceramic alternative laminated structure, wherein a ceramic layer can be used for effectively restraining the reply of a metal layer and the crystal grain growth, improving the high-position wrong storage capability, keeping a nanometer crystal matrix structure, and causing the rotation and inactivation of fissures, so as to realize mechanical properties matched with the high toughness. The preparation method provided by the invention is simple, convenient and practicable, can be used for realizing the macro-quantized preparation of the large-size composite material, and is good for prompting engineering applications of the metal-based nanometer composite material.

A tubular radiation absorbing device (1) designed for a solar heating application is described. The tubular radiation absorbing device has a metal central tube (3) and a glass tubular jacket (2) surrounding the central tube (3). A folding bellows (11) is connected between the central tube (3) and the tubular jacket (2), so that the tubular jacket and the central tube are movable relative to each other. A connecting element (20) connects an inner end of the folding bellows (11) with the central tube (3) and extends from the inner end of the folding bellows (11) through an inner annular space (30) between the folding bellows (11) and the central tube (3). The connecting element includes at least a part of a hydrogen window (50). A getter (6) is arranged in an outer annular space (33) between the folding bellows (11) and the tubular jacket (2).

The invention discloses a glass grinding fluid and a preparation method thereof. A technical scheme in the invention is characterized in that the glass grinding fluid comprises 5-20wt% of a grinding dust settling agent, 2-8wt% of a cleaning agent, 1-20wt% of a pH stabilizing agent, 1-20wt% of a lubricant, 0.3-2wt% of an organosilicon antifoaming agent, and the balance water. The invention also discloses the preparation method of the glass grinding fluid. The glass grinding fluid has good cleaning and penetrating performances, can effectively prevent grinding tools from passivating, has a good self-sharpening effect on the grinding tools, increases the cutting force of diamond tools, and is suitable for grinding common glass, resin glass, optical glass, flat glass, camera lens, spectacle lens, handset cover plates, sapphire glass, optical products of quartz, high-grade marble or superfine granite.

The invention mainly discloses a cloth slitter. According to the technical scheme, the cloth slitter comprises a machine frame, a machine head, a machine tail, a moving device, a cutting device, a knife sharpening device and a PLC control cabinet; a loop bar is arranged between the machine head and the machine tail; the cutting device is connected to the upper side of the moving device; the PLC control cabinet controls the moving device and the cutting device; the cutting device comprises a cutting frame, a first motor, a cutting knife and an air cylinder; the knife sharpening device comprises a supporting frame, a first polishing support, a second polishing support and a pair of polishing modules, wherein the first polishing support and the second polishing support are installed on the two sides of the supporting frame respectively in an inclined mode and are connected to the respective corresponding polishing modules, and the polishing modules are located on the two sides of the cutting knife respectively. The cloth slitter has the advantages of being simple in structure, convenient to operate, accurate in cutting and capable of polishing the cutting knife.

The invention provides a biochar-loaded nanometer sulfurized zero-valent iron material and a preparation method and application thereof. The method comprises the following steps: mixing biomass and aFeSO4 solution in a vacuum or inert atmosphere, evaporating to dryness, grinding and drying to obtain FeSO4-loaded biomass; and pyrolyzing the FeSO4-loaded biomass at 800-1000 DEG C in an inert atmosphere to obtain the biochar-loaded nano zero-valent iron sulfide material. The material is prepared by adopting a one-pot pyrolysis method, the method is simple, and the biochar-loaded nano zero-valentiron sulfide material can improve the dispersity and stability of nano zero-valent iron sulfide, so that the reaction activity of the nano zero-valent iron sulfide on halogenated organic matters is improved, and sewage containing the halogenated organic matters is rapidly and effectively treated. Vulcanization modification not only enhances the reaction activity of the material, but also improvesthe aging resistance of the material in water, and inhibits the passivation of the material, thereby prolonging the service life of the zero-valent iron and improving the degradability of zero-valentiron.

The process of treating waste water containing metal complex includes: regulating pH value to 2-4 and adding H2O2, contacting with iron powder in a fluidized bed reactor to produce displacement reaction and complex eliminating reaction, adding alkali in a deposition tank one deposit metal ion, and separating supernatant and the lower precipitate. The process can prevent the aggregation and deactivation of iron powder in the reaction, and has greatly raised reaction efficiency, low cost and high waste water treating effect.

The present invention relates to a negative electrode for a lithium secondary battery including a mesh-type insulating layer, and a lithium secondary battery including the same, and in particular, to a negative electrode for a lithium secondary battery including a mesh-type insulating layer formed on one surface of the lithium metal layer and having pores, and a lithium secondary battery including the same. The lithium secondary battery using the negative electrode induces a lithium dendrite precipitation and removal reaction inside pores of the insulating layer suppressing local lithium metal formation on the lithium metal surface and forming a uniform surface, and cell volume expansion may be suppressed therefrom, and forms a support layer on a passivation layer formed at the beginning preventing deintercalation and collapse of the passivation layer, and may enhance a battery lifetime by minimizing dead lithium while suppressing additional side reactions with a liquid electrolyte.

The invention discloses an efficient electrocoagulation reactor capable of adjusting the electrode distance, which comprises a reaction tank, a negative electrode, a positive electrode, a stirring device and a power supply, wherein the upper part of the reaction tank is provided with a water outlet, and the lower part is provided with a water inlet and a dirt discharging opening; a partition plate for fixing the electrodes is arranged on the reaction tank; hole grooves which are spaced with equal distance are arranged on the partition plate, and the distance between every two adjacent groove holes is 10mm; and the distance between the negative electrode and the positive electrode can be adjusted by changing the positions of the negative electrode and the positive electrode which are inserted into the groove holes. The reactor of the invention can improve the treatment effect on sewage with different characteristics by changing the positions of the electrodes inserted into the groove holes on the premise of not increasing voltage or increasing the quantity of the reaction tank. The invention overcomes the defects of high energy consumption, complex operation, and the like of the electrocoagulation reactor, various pollutants, such as COD (Chemical Oxygen Demand), SS (Suspension), and the like in the sewage are removed at one step under the joint action of various electrochemical reactions, such as electrocoagulation, active oxidation, active reduction, and the like in the treatment process, and the removing rate is more than 90 percent.

An activated ferroelectrode characterizes in mixing an Al-Sn-Ga alloy in it among which, Al is 0-10% of its weight, Sn is 0.2%-5% and Ga is 0.01%-0.75%. Advantages: 1. The ferroelectrode can be activated not adding harmful heavy metals (Hg, Cd and Pb etc.) and has long circulation life, 2. it can discharge large current and is not passivated, 3. High potential, 4. High usability of the active material is used to make high-energy batteries, 5. Self-discharge is suppressed to reduce 30% per month, one time lower than of traditional ones, 6. Simple process technology at low cost. Al addition not only increases surface of its ratio, but also suppresses the self discharge.

The organic light emitting diode (OLED) device includes a first substrate defined by a display area and a panel edge portion surrounding the display area, a thin film transistor, a first electrode connected to the thin film transistor, a bank formed on the first substrate, an organic light emitting layer formed on the display area of the first substrate, a second electrode formed on an entire surface of the first substrate having the organic light emitting layer, an anti-moisture permeation pattern formed on the second electrode on the bank located at the panel edge portion, a passivation layer formed on an entire surface of the first substrate and a second substrate attached to the first substrate.

The invention relates to a management control system of transformer-station VRLA batteries. The system comprises a voltage and current detection unit, multiple voltage detecting and balancing units and a master control unit, wherein the voltage and current detection unit employs a Hall sensor to timely detect the total voltage, charging / discharging current and charging / discharging capacity of a battery group which is composed of all storage batteries, and is equipped with a CAN communication interface with the master control unit to upload data in real time; the voltage detecting and balancing units are connected with the batteries of the battery group, detect related parameters of the batteries in real time, actively balance voltages and communicate with the master control unit; and the master control unit manages and stores data and is communicated with a host computer. The invention also relates to a management and control method of the transformer-station VRLA batteries. According to the invention, an online intelligent battery management system which is capable of actively balancing the batteries and detecting battery health replaces a battery inspecting instrument which can only detect voltages of the batteries, thereby balancing battery voltages online in real time, accurately predicting health levels of the batteries, improving operation and maintenance levels, improving automation degree of the transformer station, and easing the burden of workers.

The invention provides a method for treating heavy metal wastewater through electric flocculation-chemical precipitation. The method comprises the following steps: regulating the pH value of wastewater, performing electric flocculation treatment in an electric flocculation reactor for 30-60 min, adding a settling agent for sedimentation for 10-30 min and then discharging water. According to the method for treating heavy metal wastewater through electric flocculation-chemical precipitation, provided by the invention, heavy metal wastewater containing trace heavy metal ions is firstly subjected to electric flocculation, ions produced by electrolysis are hydrolyzed to produce a great deal of polyhydroxy compounds, the polyhydroxy compounds are subjected to reaction, absorption and chelation with trace heavy metal ions, therefore a large proportion of heavy metal ions can be gathered, and besides, the settling agent is added for further gathering the heavy metal ions, the settling agent has a synergistic effect with the electrochemical floccules, and at the same time the obtained flocculating constituents start to precipitate, finally, the obtained effluent can be enabled to meet the emission standard.

The invention provides a method for electric flocculation treatment of heavy metal wastewater. The method comprises the following steps: firstly, performing electrocoagulation, wherein metal ions (such as iron ions or zinc ions) generated by electrolysis are combined with a sulfide to form a coagulation source, the generated sulfide and heavy metal ions are subjected to displacement reaction to deposit other heavy metal ions at the same time, and moreover, hydrolysis can generate a large amount of multi-hydroxyl compounds which are subjected to enrichment effects of reaction, adsorption and chelating with low-concentration heavy metal ions; secondly, adjusting the pH value, and adding the sulfides which can achieve a synergistic action with electric flocculation to remove heavy metals; and finally, aerating for a period of time, and filtering to drain off water. The method provided by the invention can ensure that the content of the heavy metals in effluent is lower and can meet discharge standards; and meanwhile, the method is high in treatment efficiency and is pollution-free, and the used equipment is simple, occupies a small floor area and is convenient to operate.

A process for treating lift sewage by combination of aerobic biologic fluidized bed with micro-electrolysis includes such steps as continuously making sewage flow in fluidized bed, beginning aeration, adding active sludge, proportionally adding the mixture of iron filings and granular activated carbon, which is used as carrier, attaching microbes to surface of carrier, culturing for 2-5 days until the concentration of microbes reaches 7-9 g / L, and normal running. The removal rate of CODCT is 96-98%.

The invention discloses a fuel-cell bipolar plate with a nitrified and enhanced surface and a preparation method thereof and belongs to the technical field of fuel cells. The bipolar plate is prepared by the following steps of: preparing a nitrified layer, a chromium-nitride thin film and a carbon-based nano composite conductive thin film on the two side surfaces of a matrix of a stainless-steel plate or a titanium-alloy plate in sequence, cleaning and drying the matrix of the stainless-steel plate or the titanium-alloy plate, then putting the matrix in vacuum-arc ion-plating equipment, introducing nitrogen and hydrogen under the vacuum condition, starting bias voltage and hot wires, and preparing the nitrified layer; and introducing argon-nitrogen mixed gas, preparing the chromium-nitride thin film, opening a carbon target and preparing the carbon-based nano composite conductive thin film. The fuel-cell bipolar plate disclosed by the invention has the advantages that an ion nitrification technology is introduced into the field of surface modification of the fuel-cell bipolar plate, and the nitrified layer is prepared on the surface, so that the passivation of the matrix can be avoided, the condition that a coating fails due to corrosion can be effectively prevented; and a stepped transition method is adopted for multi-element composition of the chromium-nitride thin film and the nano composite conductive thin film, so that the peeling of the coating in the use process due to overlarge internal stress and oversmall bonding force is prevented.

The invention provides a total nutrient rice seedling culture substrate, belonging to plant seedling culture substrates in the field of agriculture, and in particular relates to a total nutrient rice seedling culture substrate which takes turf as a main ingredient. The total nutrient rice seedling culture substrate contains 70%-87% of turf, 10%-27% of a fertilizer and 3%-15% of an agricultural water-retaining agent by weight percentage, wherein the fertilizer contains 20-40 parts of a nitrogen fertilizer, 15-25 parts of a phosphate fertilizer, 10-15 parts of a potash fertilizer, 8-12 parts of hypha protein powder, 6-10 parts of fulvic acid and 5-10 parts of fly ash in parts by weight. The total nutrient rice seedling culture substrate provided by the invention has the advantages of warming, ventilating, retaining the fertilizers and water, being nutritionally balanced, small in volume weight, easy and convenient to operate, easy to manage, good in seedling quality and low in seedling culture cost, labor and effort conservation, and the like.

The invention relates to multifunctional compound electrochemical deposition fluid, the composition of the deposition fluid is that the deposition fluid each liter comprises nickel sulfate 100-380g, nickel amino-sulfonate 30-50g, nickel chloride 30-50g, cobalt sulfate 5-25g, lanthanum chloride 0.1-0.6g, ammonium bifluoride 15-25g, sodium fluoride 2-4g, dodecyl polyoxyethylene ether or dodecyl polyoxypropylene nonylphenolether 0.1-1.0g, naphthalenesulfonic acid or p-toluene sulfonamide 1-3g and other is water. Compared with a background technique, the deposition fluid of the invention has the following advantages: the deposition fluid of the invention improves the internal stress condition between a basal body and a nickel layer and intensifies the adhesive force of a primary plating layer, the passivation of a nickel anode is avoided in a nickel plating process, the quality of a plating layer is greatly increased, the corrosion resistance of a nickel electroplating layer is improved, the plating layer becomes even and compact without defects such as stomatas, pockmarks and the like, the deposition fluid has the luster of semi-bright nickel, simultaneously, the hardness and the anti wear property can be improved, and the service life is prolonged.

The invention relates to an electrochemistry apparatus for water treatment and a method, and belongs to the technical field of electrochemistry. According to the electrochemistry apparatus, a dual pulse power supply electricity supply device is connected with an electronic control device, an aeration device and the electronic control device are connected to an electrochemical reaction device, the electrochemical reaction device is connected with a separation device, a water outlet is connected above one side of the box of the electrochemical reaction device, a gas inlet is connected below one side of the box, a water inlet is connected below the other side of the box, one side of a first electrocatalysis oxidation cathode is connected to an electrocatalysis oxidation anode, the other side of the electrocatalysis oxidation anode is connected with a second electrocatalysis oxidation cathode, a first electroflocculation cathode is connected to the other side of the box, one side of the first electroflocculation cathode is connected with an electroflocculation anode, and the other side of the electroflocculation anode is connected with a second electroflocculation cathode. With the apparatus and the method in the present invention, the intermittent static treatment and the continuous dynamic treatment on the sewage can be achieved, the electric energy consumption can be reduced, the electricity running cost can be reduced, the electrode passivation can be effectively prevented, and the water treatment effect can be enhanced.

A method and compositions for producing hydrogen by water split reaction, at near neutral pH conditions and without requiring preheating of the reactant materials. Metallic aluminum in particulate form is blended particulate with a water-soluble inorganic salt that causes progressive pitting of the aluminum to prevent passivation and a particulate metal oxide initiator that raises the temperature of the reactant material upon exposure to water to a level which initiates reaction of water with the metallic aluminum to generate hydrogen. The metal oxide initiator may be an oxide of a Group II metal, such as calcium oxide. The catalyst may be a water soluble inorganic salt having an aggressive anion, such as the halides, sulfites, sulfates and nitrates of Group I and Group II metals, with sodium chloride being preferred. The particles of metallic aluminum are discrete from but blended with those of the salt and oxide. Blending may be performed in a drum or other mixer, and the metal component may be combined with the catalyst and initiator previously or in a reactor just prior to reaction. The reaction initiates upon adding water, and is capable of generating hydrogen at both low and elevated pressures. The reaction products can be recycled or disposed of safely through ordinary channels.

An inventive semiconductor device includes a semiconductor chip having a passivation film, and a sealing resin layer provided over the passivation film for sealing a front side of the semiconductor chip. The sealing resin layer extends to a side surface of the passivation film to cover the side surface.

The invention provides a preparation method of a polyaniline / attapulgite / zero valent iron composite material. The preparation method is aimed at solving the problems that iron powder granules are liable to aggregate and the surfaces are liable to passivate. The preparation method comprises the following steps: (1) adding 0.1-0.5 mol / L acid into a reaction container, wherein the mol ratio of the acid of the reaction solution is 0.1-0.5 mol / L; (2) adding the attapulgite clay to prepare a suspended solution; (3) adding aniline, and stirring to disperse the aniline; (4) adding ammonium persulfate to serve as an initiator, standing and polymerizing to form a viscous solution so as to disperse zero valent iron granules; and (5) carrying out suction filtering and drying to obtain the product.

The invention relates to cooling liquid for optical processing. The cooling liquid consists of the following ingredients in percentage by weight: 10 percent to 20 percent of surfactants, 5 percent to 20 percent of lubricants, 0.5 percent to 3 percent of anti-rusting agents, 3 percent to 8 percent of pH value conditioning agents, 0.05 percent to 0.5 percent of sterilizing agents, 0.05 to 0.5 percent of defoaming agents and the balance distilled water. The cooling liquid for optical processing has the advantages that glass chip separation performance and settleability are excellent, the environmental adaptation is wider, the stability is batter, the foaming is low, the rinsing is easy, the wettability is good, no damage is generated on the glass surface, no phosphorus element is contained, no peculiar smell, no poison or no corrosivity is generated, safety and reliability are realized, combustion and explosion are avoided, the environment is not polluted, the use cost is low, and the transportation and the storage are convenient.

The invention discloses a colloid electrolyte can improve the service life of a lead-acid cell, and the colloid electrolyte comprises the following raw materials by weight: 0.1-0.5% of polyethylene glycol, 0.1-1% of stannous sulfate, 0.5-1.5% of sodium sulfate, 0.5-1% of phosphoric acid, 0.05-2% of organosilicon polymer, 0.5-8% of fumed silica, 35-45% of sulfuric acid, and balanced of deionized water. The polyethylene glycol as a colloid stabilizer can prevent the occurrence of colloid coacervation or agglomeration before colloid is poured into the cell, colloidal stability is enhanced, and a stable three-dimensional network structure is formed; the stannous sulfate can be oxidized to tetravalent tin, the active material electrical conductivity and recharge ability after the cell is discharged can be improved, the sodium sulfate in the electrolyte can provides a certain amount of sulfate radicals for the electrochemical reaction, the degree of supersaturation of lead sulfate crystals can be reduced, formation of a lead sulfate layer with poor electrical conductivity can be prevented; the phosphoric acid can refine the grain diameter of the lead sulfate crystals; and silicon oxygen bonds and hydrogen bonds in the organosilicon polymer can effectively reduce the active material softening speed, inhibit the surface active material passivation, and improve the service life of the cell.