106 results about "Iodide ion" patented technology

The invention discloses a method for preparing a solar cell by inhibiting perovskite iodine migration and modifying a thin film through a piperazine derivative, and belongs to the technical field of perovskite solar cells. According to the method, a piperazine derivative is used between a perovskite layer and an electron transport layer, so that the piperazine derivative has the functions of modifying a perovskite thin film and inhibiting iodine migration. A modified perovskite light absorption layer is obtained by spin-coating a piperazine derivative solution on the surface of perovskite. The piperazine derivative can act with the iodine simple substance generated after the perovskite material is degraded, and decomposes the iodine simple substance to generate iodide ions, so that further degradation of the perovskite film is prevented, contact between the iodine simple substance and a silver electrode is reduced, and the stability of perovskite is improved. Meanwhile, the material can effectively passivate lead site defects on the surface of the perovskite thin film, and non-radiative recombination generated at the defects is reduced. According to the method, perovskite degradation and silver electrode damage caused by iodine elementary substance volatilization can be effectively inhibited, and an efficient and stable perovskite solar cell device is finally obtained.

This invention discloses a zinc-iodine battery and an electrode carrier that can simultaneously suppress polyiodine ion shuttle and regulate zinc deposition behavior, wherein the electrode carrier is Cu. + Coordinated poly(3,4-ethylenedioxythiophene) (Cu-PEDOT), via a solvothermal method, to convert Cu... + It was prepared by coordinating with S atoms in the PEDOT framework. I₂ was loaded onto this support as the positive electrode, and Zn was electrochemically deposited as the negative electrode to assemble a battery. The atomically monodisperse Cu in this invention... + It not only enhances the chemisorption of polyiodides as a Lewis active site, but also significantly reduces I... ‑ / I 0 Conversion energy barrier, accelerates reaction kinetics and suppresses shuttle effect; at the same time, Cu + The zinc-affinity property of the substrate reduces the Zn nucleation overpotential, guides Zn to deposit uniformly along the (002) crystal plane, and suppresses dendrites. Zinc-iodine batteries based on this substrate exhibit excellent rate performance and ultra-long cycle stability, and achieve dendrite-free negative electrode growth even under high depth-of-discharge conditions. This invention solves the problem of simultaneous multi-iodide shuttle in the positive electrode and zinc dendrite growth in the negative electrode using a single substrate, significantly improving the energy density and cycle life of the battery.

The application relates to a liquid flow energy storage device and relates to the technical field of new energy sources. The liquid flow energy storage device comprises an energy storage system and a discharge system, the energy storage system and the discharge system both comprise an electric membrane stack, the electric membrane stack comprises a positive electrode chamber, a proton chamber and a negative electrode chamber which are sequentially arranged and are in fluid communication, liquid in the proton chamber only transmits protons and does not participate in electrochemical reactions in the energy storage system and electrochemical reactions in the discharge system, so that even if a small amount of iodine ions enter the proton chamber, the iodine ions will leave the electric membrane stack along with the circulation of the liquid, and thus the iodine ions in the proton chamber cannot migrate to the positive electrode chamber, the membrane damage caused by the migration of the iodine ions is avoided, and therefore the service life and the efficiency of the electric membrane stack can be greatly improved.

The application relates to the technical field of catalysts, and discloses a limited type iodine-based homogeneous immobilized catalyst as well as a preparation method and application thereof. The catalyst comprises a carrier and iodine ions, magnesium ions and quaternary ammonium ions loaded on the carrier, wherein the molar ratio of the magnesium ions, the quaternary ammonium ions, the iodine ions and the carrier is 0.01-1:4-15:1-30:1. The limited type iodine-based homogeneous immobilized catalyst disclosed by the application enhances the electrostatic interaction between iodine ions and quaternary ammonium ions through the molecular sieve limiting effect to construct a limited type structure. The catalyst has significantly enhanced CO2 adsorption and activation capacity, can activate an epoxide compound, and accelerates the ring opening of the epoxide compound. In a cycloaddition reaction catalyzed by the catalyst under the conditions of no solvent and no auxiliary agent, the conversion rate of propylene oxide can reach more than 73%, and the propylene carbonate selectivity can reach more than 85%.

The invention provides a method for resource utilization of iodine-containing organic waste and recovery of iodine, and belongs to the technical field of waste resource utilization. The method comprises the following steps: gasifying the iodine-containing organic waste at a high temperature of 1100-1750 DEG C in a pure oxygen atmosphere, and carrying out partial oxidation reaction, namely incomplete combustion, on the iodine-containing organic waste by controlling the oxygen amount to generate crude synthesis gas with H2, CO, CO2, H2O and HI as main components; the obtained crude synthesis gas is washed with water, HI is converted into a solution containing-1 valence iodide ions, then the iodide ions are further converted into iodized salt, recovery of iodine in the iodine-containing organic waste is achieved, and the difficulty and cost of the iodine recovery process are reduced; and in the high-temperature gasification process of 1100-1750 DEG C, hydrocarbon elements in the iodine-containing organic waste are converted into synthesis gas mainly comprising H2 and CO, so that resource utilization of the hydrocarbon elements can be realized, and secondary pollution cannot be caused.

The application discloses polylactic acid polyol as well as a preparation method and application thereof, and the preparation method comprises the following steps: preparing an in-situ catalyst by heating reaction of a zinc salt, an organic ammonium salt and bis(ethylene carbonate) ether; the anion of the organic ammonium salt is selected from any one of bromide, chloride and iodide; and a lactide monomer is added to obtain polylactic acid polyol through a polymerization reaction. The polylactic acid polyol prepared by the application has a flexible chain segment, can provide better flexibility, and can be applied to preparation of polyurethane materials.

The invention relates to the technical field of solar cells, in particular to a solar cell, a preparation method thereof and a photovoltaic module, and the preparation method comprises the steps: sequentially forming a composite layer and a hole transport layer on a bottom cell; forming a PbI2 skeleton layer on the hole transport layer, and coating the PbI2 skeleton layer with a cation wet film to prepare a perovskite light absorption layer; wherein the cationic wet film comprises an anthocyanin antioxidant and a cationic material. According to the preparation method, an anthocyanin antioxidant is introduced into cations to inhibit cation deprotonation and iodide ion oxidation processes, defects formed in the perovskite light absorption layer are reduced, and the film forming quality of the perovskite light absorption layer is improved; and meanwhile, active oxygen free radicals on the surface of the perovskite light absorption layer can be removed, and the problem that the perovskite light absorption layer is easy to accelerate degradation due to water and oxygen in the air is solved, so that the efficiency and the stability of the prepared solar cell are improved.

The invention belongs to the technical field of nylon 66 polymer performance testing, and particularly relates to a method for simultaneously testing the content of iodide ions and bromide ions in a nylon 66 polymer, which comprises the following steps of: extracting the iodide ions and the bromide ions in the polymer by using weak acid salt (sub-carbonate or bicarbonate) instead of potassium nitrate as an ionic strength regulator; the acid environment in the extracted solution is adjusted with formic acid, silver nitrate is adopted as a titrant, iodide ions and bromide ions in the extract liquor are detected at the same time through potentiometric titration, and the problem that the iodide ions and the bromide ions cannot be detected at the same time is solved.

The utility model provides a carbon black iodine absorption value measuring device which comprises a rotating wheel disc, a magnetic stirrer, a transmission filtering device and a reaction tank, a plurality of sample cups can be placed on the rotating wheel disc, after a mixed liquid sample is stirred by the magnetic stirrer, an iodine solution and a sodium thiosulfate solution are extracted by a plunger pump, and the iodine absorption value of the carbon black is measured. In the extraction process, carbon black in the iodine solution is filtered through the filter pipe, filtrate is added into the reaction tank and chemically reacts with the sodium thiosulfate, and the iodine ion electrode in the reaction tank can judge the end point of the reaction by detecting the electron exchange capacity of the iodine solution and the sodium thiosulfate in the reaction tank when the iodine solution and the sodium thiosulfate are subjected to oxidation-reduction reaction. And meanwhile, the measured current data is transmitted to a microcomputer for automatic processing, so that accurate carbon black iodine absorption value data is obtained. The problems that manual operation is low in efficiency and the precision is greatly influenced by human factors are solved, and the advantages of high efficiency and high precision are achieved.

This invention discloses an iodine cathode interface conductive polymer slurry, an iodine cathode and its preparation method, and its application in I... ‑ / I2 / I + In the application of positive-valence zinc-iodine batteries, the conductive polymer slurry at the iodine cathode interface is formed by combining an aqueous adhesive and a PEDOT:PSS dispersion. This conductive polymer slurry is uniformly coated onto the surface of the iodine cathode, and after drying, a dense conductive polymer film is formed on the iodine cathode surface. The PEDOT:PSS film of this invention can inhibit polyiodine ion shuttle and I₂ from both physical barrier and chemical adsorption perspectives. + Hydrolysis; when the iodine cathode loading is 10 mg cm⁻¹ ‑2 At that time, the discharge plateau of the zinc-iodine battery was 1.6 V (I 0 / I + ) and 1.2 V(I ‑ / I 0 Its capacity retention rate after 3500 stable cycles is over 91%, effectively improving the performance of the iodine cathode and enhancing the overall performance of the battery; it belongs to the field of battery technology.

The invention relates to the technical field of chemical analysis and detection, in particular to a method for detecting iodide ions in nylon slices. The method for detecting the iodide ions in the nylon slices comprises the following steps: placing the nylon slices in a microwave digestion tank, adding a potassium sulfate aqueous solution with the mass concentration of 0.9-1%, placing the nylon slices in a microwave digestion instrument for digestion, cooling after digestion is finished, and recording the nylon slices as a sample A; and directly introducing the prepared test solution A into an inductively coupled plasma emission spectrometer for determination, and calculating through an iodide ion standard curve to obtain the actual iodide ion content in the sample. According to the method for detecting the iodide ions in the nylon slices, only one-time microwave digestion is needed, multiple times of transfer or complex reaction are not needed, the extraction efficiency is high, and operation is easy; meanwhile, potassium nitrate is replaced by potassium sulfate, so that the accuracy and repeatability of a measurement result are further improved.

The invention provides an I2 / Bi2S3 (at) C composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: step 1, stirring a carbon source, ammonium persulfate, bismuth salt, a sulfur source and polyvinylpyrrolidone to obtain a mixed solution; 2, putting the mixed solution into a reaction kettle for heating reaction, and then putting a reaction product into a tubular furnace for calcining to obtain Bi2S3 at C; and 3, heating the Bi2S3 (at) C and iodine in a closed reaction kettle, and carrying out steam adsorption on the iodine by the Bi2S3 (at) C to obtain the I2 / Bi2S3 (at) C composite material. According to the preparation method, bismuth sulfide is doped on carbon, so that the adsorption capacity and the iodine fixation capacity on iodide ions are improved; the I2 / Bi2S3 (at) C after adsorbing the iodine steam is applied to the positive electrode of the aqueous zinc-iodine battery, so that the battery has the advantages of high specific capacity, slow specific capacity attenuation, good battery stability and the like.

The invention provides a modified glass fiber membrane, a preparation method and application thereof, and a zinc-iodine battery, and belongs to the technical field of zinc-iodine batteries. The modified glass fiber membrane provided by the invention comprises a glass fiber membrane matrix and a halogen-containing polymer bonded on the surface of the glass fiber membrane matrix through a binder. Halogen atoms in the halogen-containing polymer are elements with extremely high electronegativity, and can strongly attract electrons in a polymer chain of a high polymer material, so that electron cloud shift is caused, and negative charges are enriched on the surface of the high polymer material; when the glass fiber membrane adhered with the halogen-containing polymer is assembled into the zinc-iodine battery, due to the electrostatic repulsion effect, iodide ions on the positive electrode side are limited on the surface of the positive electrode, shuttling of the iodide ions is limited, and the cycling stability of the zinc-iodine battery is improved.

The invention relates to the technical field of aqueous batteries, in particular to a porous non-metal organic framework material, a preparation method thereof and an aqueous zinc-iodine battery, and the preparation method comprises the following steps: mixing organic amine with an organic solvent, mixing the obtained organic amine solution with an inorganic acid solution, and stirring to obtain the porous non-metal organic framework material. Organic amine cations and inorganic acid anions are combined to form metal-free closely-packed ionic clusters, a porous organic halogenated ammonium salt framework material is formed, and the iodine loading capacity of a host can be further improved based on high porosity and large specific surface area of a non-metal organic framework material; due to interaction between nitrogen-containing active sites of the porous non-metal organic framework material and iodine, the shuttle diffusion effect of polyiodide ions can be effectively inhibited, the mutual conversion rate of iodine is improved, reaction kinetics of iodine is accelerated, coulombic efficiency and cycling stability of the zinc-iodine energy storage battery are remarkably improved, self-discharge of the zinc-iodine energy storage battery is inhibited, and specific capacity fading is reduced.

The invention belongs to the technical field of iodine removal of light salt brine, and particularly relates to a method for removing high-valence iodine in ionic membrane caustic soda light salt brine. Comprising the following steps: (1) adding a pH regulator and sodium sulfite into light salt brine, regulating the pH to 1-3, stirring until the reaction is completed, and carrying out primary adsorption deiodination by adopting a composite adsorbent to obtain light salt brine 1; and (2) adding a pH regulator and hydrogen peroxide into the light salt brine 1, regulating the pH value to 1-2, stirring until the reaction is completed, and carrying out secondary adsorption by adopting a composite adsorbent to remove iodine, thereby obtaining the deiodinated light salt brine. According to the removal method disclosed by the invention, high-valence iodine such as periodate and iodate in the light salt brine is converted into low-valence iodine such as iodate and iodide ions by utilizing the reducibility of sodium sulfite and the oxidation-reduction property of hydrogen peroxide in the coexistence of iodide ions and iodate, and then is further converted into simple substance iodine, and the simple substance iodine is efficiently removed by utilizing a composite adsorbent; the process is simple, the cost is low, the removal rate is high, and the removal effect is good.

The application discloses a preparation and purification method of high-purity radioiodine-labeled antigen. The method comprises the following steps: pre-activating carrier-free sodium iodine[125I] solution in an orthogonal solvation sensitization buffer containing lithium sulfate, 18-crown-6 and beta-cyclodextrin; adding antigen and chloramine-T for a labeling reaction; and performing magnetic separation and purification by using a suspension containing adamantane-modified magnetic microspheres and quaternary ammonium salt-modified strong anion exchange magnetic microspheres after the reaction. The orthogonal solvation effect is used to enhance the nucleophilic activity of iodine ions, and the amount of oxidizing agent is reduced to reduce protein damage; impurities are quickly removed through the double mechanisms of electrostatic adsorption and host-guest recognition. The application has the advantages of high labeling efficiency, high radiochemical purity of the product and complete retention of biological activity.

This invention relates to the field of oil additives for power generation, specifically a method for in-situ preparation of black phosphorus nanoparticles (BPNPs) using PVA / PAAM interpenetrating network hydrogel as a microreactor and its application as a wear-resistant additive in lubricating oils. The confinement effect of the interpenetrating network hydrogel results in uniform BPNP size and high crystallinity, thus endowing BPNPs with excellent air / water / oil stability, with an oxidation rate of <5% within 7 days. Swelling allows RP / KI to permeate uniformly and be physically embedded in the network. Subsequently, under a nitrogen protective atmosphere, photolysis of iodine ions generates solvated electrons (e). ‑ (aq) restores RP to P ‑ P ‑ The BP crystal nucleus is formed by recombination, and the IPN three-dimensional nanochannels (pore size 30~120nm) confine and inhibit excessive growth of the crystal nucleus. At the same time, the PVA hydroxyl groups and PAAm amide groups passivate the BP surface in situ through hydrogen bonding / coordination, preventing oxidation.

This invention provides a novel powder and method for its use for the extraction and complexation of gold from sources containing this metal. The powder comprises an optimized combination of borax, sodium bicarbonate, and glycine as a triple buffer system, iodide ion as a leaching agent, a complementary combination of potassium persulfate and potassium monopersulfate (Oxone®) as an oxidant, and a copper salt as a catalyst for the oxidation-reduction cycle. In the proposed method, the powder is contacted with a solid gold-containing feed under mild alkaline conditions and ambient temperature to form a stable iodide-gold complex. This complex can be recovered to pure metallic gold through chemical or electrochemical reduction, and the leaching solution can be reused after recovery without loss of yield.

The present invention relates to a method for obtaining iodide ions from a solution comprising a small amount of an iodine-containing aromatic compound, such as a non-ionic X-ray contrast agent, the method comprising the steps of: contacting the solution comprising a small amount of an iodine-containing aromatic compound with activated carbon, thereby adsorbing the iodine-containing aromatic compound contained therein onto the activated carbon; and deiodinating the iodine-containing aromatic compound adsorbed onto the activated carbon.

This application discloses a polarizer and its preparation method, a display module, and a display device, relating to the field of display technology. The polarizer includes a polarizing layer in which perovskite quantum dots are dispersed. The perovskite quantum dots are generated by an in-situ reaction of a perovskite precursor, a ligand solvent, and free iodine ions from the polarizing layer. This application solves the technical problem that residual free iodine ions in the polarizer can easily lead to a decrease in the polarization degree of the polarizer.

The invention discloses a method for rapidly detecting the content of active oxygen in washing salt, and belongs to the technical field of analytical chemistry. According to the detection method provided by the invention, the defoaming dispersant is added, so that physical defoaming can be realized, the polarity of the solution can be reduced, the wrapping effect of surfactant micelles in the sample to be detected on iodine molecules or triiodide ions is reduced, and the color mutation at the titration end point is acute; meanwhile, the metal ion masking agent is complexed with interference metal ions, so that the catalyst is ensured to catalyze the oxidation-reduction reaction of peroxide and iodide ions, and the balance of'fast 'and'standard' is realized; in addition, the detection method disclosed by the invention is remarkably shortened in time, and has the advantages of good detection accuracy and high efficiency; moreover, the detection method is not only suitable for a pure sodium percarbonate raw material, but also suitable for a finished product washing salt containing a high-concentration surfactant and an enzyme preparation; therefore, the method is suitable for industrial large-scale detection application.

The invention relates to a modified diaphragm for a zinc-iodine battery, the modified diaphragm comprises a diaphragm base material, and an aspartic acid metal chelate is adsorbed on one side, close to a battery positive electrode material, of the diaphragm base material; a zinc-loving composite functional material is arranged on one side, close to a battery negative electrode material, of the diaphragm base material, and one side of the zinc-loving composite functional material efficiently adsorbs polyiodide ions through a multi-network of electrostatic attraction, coordinate bonds and hydrogen bonds, so that the ion selectivity is improved, the shuttle effect of a polyiodide compound is effectively prevented, and the service life of the battery is prolonged. And the other side forms uniform electric field distribution and zinc flux on the surface of the negative electrode through the zinc-loving composite functional material, so that dendritic crystal growth is inhibited. In addition, the invention also provides a preparation method of the modified diaphragm for the zinc-iodine battery and the battery.

The invention discloses a near-infrared luminous rare earth complex and a preparation method thereof. The structural general formula of the rare earth complex is SmLnX2, and L represents crown ether ligands including 15-crown-5, 12-crown-4, 18-crown-6 introduced with different substituents, derivative aza crown ethers and the like; n is a coordination number and is 1 or 2 according to the size of a crown ether ring; x is a counter anion or a coordination anion and comprises an iodide ion, a bromide ion, a chloride ion, tetrafluoroborate and the like. The emission spectrum of the Sm < 2 + > complex is located in a near-infrared region, and the Sm < 2 + > complex has high photoluminescence quantum yield and can be used as a photoluminescence material.

The present application belongs to the technical field of gas capture, and particularly relates to a method for capturing fluorine-containing greenhouse gas. In a dark environment, an adsorbent is used to adsorb fluorine-containing greenhouse gas. The adsorbent is a polymer containing cuprous ions and iodine ions, and the chemical formula is CuI(L), wherein L is a weak bridging nitrogen-containing ligand. After the adsorption of the adsorbent reaches saturation or the adsorption time reaches a set time, the adsorbent is irradiated, the adsorbent releases the absorbed fluorine-containing greenhouse gas, and the regeneration of the adsorbent is completed. The present application can absorb fluorine-containing greenhouse gas in waste gas at normal temperature and pressure, and can desorb fluorine-containing greenhouse gas by irradiation at normal temperature and pressure to realize the regeneration of the adsorbent. The regeneration energy consumption is low, the implementation is convenient, and the operation cost is reduced.

The application discloses an antibacterial hemostatic composite material and a preparation method thereof. The application adopts polylactic acid glycolic acid which is degradable and has good compatibility, and grafts hydrophilic N-vinyl-2-pyrrolidone, simultaneously utilizes radiation polymerization to form polypyrrolidone, and reacts with iodine to form high polyiodine with strong antibacterial property, and uses the same as an electrospinning base material and combines with notoginseng element, so that the positively charged amino groups on the notoginseng element and the negatively charged high polyiodine ions form a stable structure, the electrospinning solvent phase separation of the base material is regulated, a porous rapid hemostatic fiber material with uniform notoginseng element distribution and high loading capacity is formed, and the material is endowed with antibacterial property, good biocompatibility and notoginseng element stable release performance.

The invention belongs to the technical field of electrochemical energy storage, and particularly discloses an aqueous zinc-iodine battery electrolyte as well as a preparation method and application thereof. The solvent contains an amphoteric nonionic surface active additive of alkyl glucoside or thioglycoside, and can form a microemulsion structure with an aqueous solution of zinc salt. The concentration of the zinc salt in the electrolyte is 0.5 mol / L to 2.0 mol / L. A hydrogen bond in the electrolyte is reconstructed through the amphoteric nonionic surface active additive of alkyl glucoside or thioglycoside, the optimized electrolyte can efficiently solve the problems of shuttling of polyiodide ions and dendritic growth of a zinc negative electrode at the same time, the capacity fading in the cycle process of the battery is reduced, the cycle life of the battery is prolonged, and the service life of the battery is prolonged. The preparation process of the battery is simple and easy to implement, the cost is relatively low, industrial production is facilitated, and the battery has a wide market application prospect.

This invention discloses a method for iodine recovery and reuse during the preparation of tetrachlorohexafluorobutane, comprising the following steps: S1, preparing trifluorodichloroiodoethane using refined iodine and trifluorochloroethylene as raw materials, and preparing a tetrachlorohexafluorobutane reaction solution using trifluorodichloroiodoethane as raw material; S2, adding water to the tetrachlorohexafluorobutane reaction solution to obtain a soluble solution, oxidizing, filtering, and refining the aqueous phase to obtain refined iodine, and distilling the organic phase to obtain refined tetrachlorohexafluorobutane, an organic solvent containing iodine and zinc iodide, and an organic iodide; S3, washing the organic solvent containing iodine and zinc iodide with an absorbent to obtain an iodide ion aqueous solution, which is then oxidized, filtered, and refined to obtain refined iodine; the organic iodide is catalytically chlorinated to obtain iodine chloride, which is used to prepare trifluorodichloroiodoethane. The entire process of this invention is rapid, environmentally friendly, and has a high iodine recovery rate, making it suitable for large-scale industrial production.

The invention provides a method for detecting iodine content in developing microspheres, and belongs to the technical field of developing microsphere manufacturing. The method for detecting the iodine content in the developing microspheres comprises the following steps: S1, combusting the weighed developing microspheres in a combustion bottle containing an absorption liquid, so that organic iodine in the developing microspheres is converted into inorganic gaseous iodine, the inorganic gaseous iodine is absorbed by the absorption liquid, and a solution to be detected is obtained. S2, adding a reducing agent into the to-be-detected solution, so that the iodine element in the to-be-detected solution exists in the form of iodide ions, and obtaining a reduced solution; wherein the reducing agent comprises at least one of vitamin C and glutathione. S3, adding an indicator into the reduction solution, titrating with a standard solution containing silver ions, and recording the dosage of the standard solution after the titration end point is reached. And S4, calculating the iodine content in the developing microspheres. The detection method has the advantage of high detection precision, and the iodine content in the developing microspheres can be accurately obtained.

This invention discloses an efficient method for preparing p-cymene ruthenium iodide dimer. The method uses ruthenium trichloride as the ruthenium source, propylterpinene as the ligand precursor, and an alcohol solvent as the reaction medium. The target product is synthesized efficiently through a two-step continuous reaction. First, ruthenium trichloride and propylterpinene are reacted at a specific temperature to generate a dichloro(p-cymene)ruthenium dimer intermediate. Then, an iodide aqueous solution is added for reflux reaction to complete the replacement of chloride ions with iodide ions. Finally, high-purity p-cymene ruthenium iodide dimer is obtained after simple post-processing. This invention innovatively uses propylterpinene instead of traditional phellandrene, significantly improving the stability and purity of the raw materials and reducing production costs. The one-step integrated process simplifies the operation process, avoids the risk of organic vapor exposure, and improves production safety. Optimized reaction parameters and material ratios achieve a product yield of up to 99.8%, and the process is adaptable to large-scale production requirements.

The embodiment of the application relates to an amino-modified wood charcoal / iodine integrated electrode material and a preparation method and application thereof, the electrode material comprises an amino-modified wood charcoal substrate and iodine element, the amino-modified wood charcoal substrate loads the iodine element I2, and iodine of the iodine element exists in an amorphous form on the wood charcoal substrate, the wood charcoal substrate has a three-dimensional layered porous structure, the wood charcoal substrate is loaded on the surface and a microchannel, amino modified on the wood charcoal substrate is combined with carbon atoms in a chemical bond, and the electrode material can solve the problems of poor conductivity of an electrode material in a zinc-iodine battery positive electrode, low active iodine loading, and a multi-iodine ion shuttle effect.