118 results about "Electrochemical polymerization" patented technology

The invention provides a molecularly imprinted electrochemical sensor for hippuric acid detection, a preparation method and a segmented response technology, and belongs to the technical field of electrochemical sensors. Based on functional monomers aniline and o-phenylenediamine, hippuric acid is taken as a template molecule, and the molecularly imprinted electrochemical sensor for detecting hippuric acid is prepared by an electrochemical polymerization method, and combines the advantages of a molecular imprinting technology and an electrochemical technology; the hippuric acid detection sensor has excellent sensitivity, fast response time and specific recognition capability, has good signal response to hippuric acid detection under different concentrations, generates a good electric signal in a hippuric acid solution of 0-100 nM, forms a better linear relationship between the electric signal generated in the hippuric acid solution with the concentration of 100 nM or above and the concentration, and can be applied to the detection of hippuric acid with the concentration of 100 nM or above. The signal response and detection range of the molecularly imprinted electrochemical sensor under high concentration is widened, and the molecularly imprinted electrochemical sensor is suitable for hippuric acid detection in a wide range.

A graphene neural electrode, a preparation method therefor, and use thereof. The preparation method comprises the following steps: (1) performing laser printing on a polyimide film according to a preset electrode pattern to obtain laser-induced graphene; (2) subjecting the laser-induced graphene to transfer printing to a water-soluble adhesive tape, then arranging a thermoplastic polymer thin film on one side of the laser-induced graphene away from the water-soluble adhesive tape, and then removing the water-soluble adhesive tape, so that the laser-induced graphene is subjected to transfer printing to the thermoplastic polymer thin film to obtain a first prefabricated product; (3) placing the first prefabricated product in a conductive polymer monomer solution for electrochemical polymerization, and forming a conductive polymer layer to obtain a second prefabricated product; and (4) arranging a thermoplastic polymer packaging layer on the conductive polymer layer of the second prefabricated product to obtain the graphene neural electrode. The graphene neural electrode prepared by using the method has excellent flexible characteristics and mechanical properties, high mechanical and electrochemical stability, and low electrochemical impedance, thereby achieving long-term stable signal monitoring in an organism.

The invention relates to the technical field of semiconductors, in particular to a graphene electrode-based monomolecular chain pH sensor and a preparation method thereof, the pH sensor comprises a graphene source terminal electrode, a monomolecular chain and a graphene drain terminal electrode which are sequentially connected through amido bonds; the monomolecular chain comprises a starting unit, a monomolecular polymer and a terminating unit which are connected in sequence, the starting unit and the terminating unit are selected from aniline or phenylenediamine, the monomolecular polymer is formed by electrochemical polymerization of monomer molecules, the monomer molecules are selected from aniline or aniline derivatives, and the polymerization process of the monomer molecules is controllable through an electrochemical polymerization method; the static electrode is combined with the dynamic assembly, so that the performance optimization of the pH sensor can be realized; meanwhile, according to the electrochemical polymerization method, the number of monomer molecules can be flexibly adjusted in the dynamic assembly process, the size adaptability of a single molecular chain and the static graphene electrode is remarkably improved, and therefore the connection success rate is increased.

The invention relates to the technical field of semiconductor devices, in particular to a monomolecular device based on supramolecular induced electrochemical polymerization and a preparation method thereof.The molecular device comprises a graphene point electrode pair and a monomolecular chain, and the monomolecular chain is connected between the graphene point electrode pair; wherein the single molecular chain is formed through supramolecular induced electrochemical polymerization; the host molecule encompasses the guest molecule in the cylindrical cavity of the host molecule to form a supramolecule; the host molecule is selected from cyclodextrin, and the guest molecule is selected from thiophene or thiophene derivatives; the tail ends of the graphene point electrode pairs are modified by amino-containing monomer molecules respectively, the monomer molecules are connected with the graphene point electrode pairs through amido bonds, and the monomer molecules serve as a starting unit and a terminating unit of supramolecular induced electrochemical polymerization, so that assembly of functional cores of a monomolecular device is facilitated; according to the technical scheme provided by the invention, the problem of how to prepare an efficient and reliable monomolecular device by utilizing an electrochemical polymerization method is solved.

The invention belongs to the technical field of electrochromic materials, and provides a red-transparent display electrochromic polymer and a preparation method thereof. The method disclosed by the invention comprises the following steps: carrying out ring formation reaction on N-(2, 5-dibromophenyl)-2-ethylhexyl thioamide, potassium ferricyanide and sodium hydroxide to obtain 4, 7-dibromo-2-(heptane-3-yl) benzothiazole; the preparation method comprises the following steps: carrying out substitution reaction on EDOT, n-butyllithium and tributyltin chloride to obtain EDOT-Sn; the preparation method comprises the following steps: carrying out Stille coupling reaction on 2, 4, 7-dibromo-2-(heptane-3-yl) benzothiazole and EDOT-Sn, and then carrying out electrochemical polymerization reaction to obtain the electrochromic polymer. A pure donor (D) type organic molecule is obtained by the method, a corresponding electrochromic film is prepared by electrochemical polymerization, reversible switching between red and transparency is realized, and the electrochromic film has good cycle stability and high color change response speed.

The invention discloses preparation and application of a poly-anthraquinone thiophene film, the prepared film material can be used as a novel electrochromic material, and belongs to the field of intelligent discoloration, and the anthraquinone thiophene material is simple in synthetic route, mild in condition and low in cost. A novel D-A type monomer is synthesized by taking anthraquinone as an electron acceptor and thiophene derivatives as electron donors, and the monomer can be used for preparing a polymer film through electrochemical polymerization.

The application discloses a preparation method of a high-density and high-stability conductive polymer film based on electrochemical polymerization, and comprises the following steps: using an oxidant solution and a BFDO monomer solution to pretreat a formed foil to obtain a working electrode, then immersing the working electrode and a reference electrode into an electrolyte to perform electrochemical oxidation polymerization, and obtaining the high-density and high-stability conductive polymer film based on electrochemical polymerization. The pretreated formed foil containing N-type conductive polymer PBFDO is prepared by using a chemical in-situ polymerization method on the formed foil, and when the pretreated formed foil is applied in the field of capacitors, the conductivity and electron transport capacity of the capacitor can be improved, and the stability problem caused by the coupling of positive and negative charges in the traditional capacitor is greatly improved.

The invention provides a method for electrochemically preparing a high-compactness electron transport type electrode film on a non-conductive substrate, and the method comprises the following steps: S1, arranging an oxidizing agent, 3, 7-dihydrobenzo [1, 2-b: 4, 5-b '] difuran-2, 6-diketone and / or poly (3, 7-dihydrobenzo [1, 2-b: 4, 5-b'] difuran-2, 6-diketone) on a substrate to obtain a conductive film substrate layer; s2, 3, 7-dihydrobenzo [1, 2-b: 4, 5-b '] difuran-2, 6-diketone, a solvent and acid anhydride are mixed, and an electrolyte is obtained; s3, adding the conductive thin film substrate layer in the S1 into an electrolyte, and performing electrochemical polymerization by adopting a three-electrode system to obtain an electrochemical polymerization treatment thin film I; the preparation method further comprises the following steps: S4, adopting a three-electrode system, and carrying out reduction doping treatment on the electrochemical polymerization treatment film I to obtain a final conductive film II. The electrode film is good in compactness and stability, can be used as a cathode in an organic electronic device, and has the advantages of being high in conductivity, simple to process and prepare, suitable for flexible devices and the like.

The invention relates to the field of lithium-sulfur batteries, and discloses a preparation method of a lithium-sulfur battery electrode modification material, which comprises the following steps: applying a thiophene unit-containing electrolyte additive to a lithium-sulfur battery; and preparing the electrode modification layer of the lithium-sulfur battery through an in-situ electrochemical polymerization reaction. The lithium-sulfur battery electrode modification material provided by the invention is beneficial to promoting conversion of polysulfide and inhibiting the shuttle effect of the polysulfide, and the overall electrochemical performance of the lithium-sulfur battery can be remarkably improved. In addition, the method can also be applied to the fields of sodium-sulfur batteries, potassium-sulfur batteries and other metal-sulfur batteries.

The invention discloses an electrode material based on a non-heme iron catalyst and a preparation method and application thereof, and belongs to the field of electro-catalysis water treatment. According to the material, an electrode material is used as a substrate, an auxiliary ligand polymerization layer and a non-heme iron catalyst layer are sequentially deposited on the substrate, the auxiliary ligand polymerization layer is formed by polymerizing organic matter monomers, the non-heme iron catalyst layer is obtained by reacting ferrite and dopamine to form a precursor, and then electrochemical polymerization is performed, the auxiliary ligand polymerization layer is connected with the non-heme iron catalyst layer through a coordination bond. The auxiliary ligand polymerization layer and the non-heme iron catalyst are electrically polymerized on the electrode material, so that the selectivity of the electrode material for producing hydrogen peroxide through electro-catalysis oxygen two-electron reduction is improved, and the yield of hydrogen peroxide is increased. In addition, the non-heme iron catalyst can further generate superoxide free radicals by regulating and controlling single electron reduction of oxygen, hydrogen peroxide is promoted to generate hydroxyl free radicals, and good electro-catalysis organic pollutant removal efficiency is kept under the nearly neutral condition.

The invention relates to the field of electrochromic materials, in particular to a blue and second near-infrared (NIR-II) transmission electrochromic high polymer material based on propene dioxythiophene (ProDOT) and a triphenylamine derivative, and particularly relates to an electrochromic high polymer material based on propene dioxythiophene (ProDOT) and a triphenylamine derivative. The method is suitable for multiple fields of display screens, building glass, coating invisible materials and the like. The invention relates to an electrochromic material based on propenyldioxythiophene (ProDOT) and a triphenylamine derivative, which has a structure shown in the following I-III: # imgabs0, and an electrochromic polymer with red oxygen electrochemical and electrochromic characteristics is prepared by carrying out electrochemical polymerization on three monomers (ProDOT-TPA, ProDOT-TPPA and ProDOT-2TPA). According to the present invention, the electrochemical research results show that the ProDOT-TPA has low initial oxidation potential (0.59 V), such that the high-quality polymer can be easily obtained; the optimized polymer [P (ProDOT-TPA)] shows the optical contrast ratio of 14.38% at the position of 400 nm and the optical contrast ratio of 49.55% at the position of 1100 nm in an electrochromic device, and has remarkable electrochromic performance.

This invention discloses a method for preparing polyether / polyester-polyether random copolymers by electrochemical polymerization. Under energized conditions, the lactone and epoxide monomers undergo simultaneous ring-opening copolymerization. By adjusting the amount of monomers and the reaction time, the composition and proportion of polyester and polyether in the resulting copolymer can be effectively controlled. No catalyst or initiator is used in the polymerization reaction, and the reaction is stable at room temperature. The polyether / polyester-polyether random copolymers prepared by this method have a molecular weight of 10 kg / mol–45 kg / mol and a molecular weight distribution index of 1.10–1.30. The electrochemical polymerization method for preparing polyester-polyether random copolymers provided by this invention is green, pollution-free, and easy to operate, showing promising application prospects.

The invention discloses a preparation method of a high-compactness and high-stability conductive polymer film based on electrochemical polymerization, which comprises the following steps: pretreating a formed foil by using an oxidant solution and a BFDO monomer solution to obtain a working electrode, then immersing the working electrode and a reference electrode into an electrolyte, and carrying out electrochemical oxidation polymerization to obtain the conductive polymer film with high compactness and high stability. The high-compactness and high-stability conductive polymer film based on electrochemical polymerization is obtained. The pretreated formed foil containing the N-type conductive polymer PBFDO is prepared on the formed foil by using a chemical in-situ polymerization method, and when the pretreated formed foil is applied to the field of capacitors, the electric conductivity and the electron transmission capacity of the capacitors can be improved, and the stability problem caused by positive and negative charge coupling in a traditional capacitor is greatly solved.

The application belongs to the field of membrane separation technology, and provides a preparation method and application method of a two-dimensional MXene-conductive polymer layered separation membrane with adjustable pore size. The two-dimensional MXene-conductive polymer layered separation membrane is a two-dimensional MXene membrane prepared by vacuum-assisted filtration, and a conductive polymer monomer is embedded between the membrane layers, and then prepared by in-situ electrochemical polymerization. The advantages are that the preparation is simple and easy to operate, and no expensive equipment is needed. The conductive polymer in the membrane layer greatly improves the mechanical stability and oxidation resistance of the membrane structure, and the conductive performance and electrochemical capacitance characteristics are excellent. The membrane can be used as a desalination membrane and a conductive electrode at the same time, an electric potential can be applied to the membrane surface, the membrane pore size can be controlled by electrochemical regulation, and the selective separation of monovalent salt, divalent salt and dye molecules can be realized.

This invention relates to the field of electrochromic thin film technology, and more particularly to a dithiophene derivative, its preparation method, and its application, as well as an electrochromic thin film and its preparation method. This invention involves reacting dithiophene with tributyltin chloride to generate tin-modified dithiophene, reacting dithiophene with isopropanol pinacol boronic acid ester to generate boron-modified dithiophene, and then reacting the tin-modified or boron-modified dithiophene with 1,4-diiodo-2,5-bis-(6-hexynyl)-benzene to generate 1,4-dithiophene-2,5-bis-(6-hexynyl)-benzene. This product is then reacted with dimethylboron hydride generated from lithium aluminum hydride and dimethoxyethane to finally obtain the dithiophene derivative. This derivative can be applied in electrochromic thin films. This invention successfully prepares an electrochromic thin film with fast response and fluoride ion detection capability by electrochemically polymerizing the dithiophene derivative.

The invention relates to a high-valence metal organic salt and metal inorganic compound composite electrolyte additive, an electrolyte containing the additive and application, and belongs to the technical field of battery materials. According to the invention, the organic salt with high-valence metal cations and the inorganic halide / chalcogenide are introduced into the conventional electrolyte at the same time, so that the defects of an electrode / electrolyte interface layer can be dynamically repaired. Anions in the high-valence metal organic salt are organic ions capable of generating auto-polymerization or electrochemical polymerization, and high-valence metal cations have oxidability, can promote auto-polymerization or electrochemical polymerization of the organic anions and / or the electrolyte solvent, and can be reduced by a metal negative electrode with strong reducing capacity. Meanwhile, inorganic halide / chalcogenide (such as ZnCl2, ZnI2, MgS2 and the like) can induce formation of a passivation layer on the surface of the negative electrode, the deposition and dissolution behaviors of sodium ions on the surface of the electrode are optimized, dendritic crystal growth is prevented, and corrosion of electrolyte and polysulfide is prevented. The composite electrolyte additive meets the multi-scene requirements of power batteries, energy storage batteries and the like.

The invention relates to the technical field of reaction equipment, and discloses an electrochemical polymerization reaction device which comprises an electrochemical reaction mechanism, and the electrochemical reaction mechanism comprises a reaction unit and a detection unit. The reaction unit adopts a spiral reactor and a micro-channel wall as electrodes to ensure that materials are in an electric field coverage range, the mass transfer distance is shortened, and the mass transfer efficiency is improved. Compared with a traditional reactor, the device has the advantage that the difficulty and the cost of amplified production are reduced through modular design. Efficient mass transfer and heat transfer in the micro-channel enable the reaction temperature and process to be easier to control, the defective rate is reduced, rapid reaction is realized under mild conditions, and energy consumption and equipment loss are reduced. The device has wide adaptability to different types of electrochemical polymerization reactions, and the product quality and the market competitiveness are remarkably improved. The spiral micro-channel is combined with a vibration function, so that the material flowing state is optimized, local accumulation is prevented, the mixing effect is enhanced, and the reaction uniformity and efficiency are improved.

The invention relates to a cross electrophilic coupling reaction method of aryl sulfone compounds and aryl halides. A series of (hetero) biaryl structure compounds are obtained. The reaction does not need anhydrous and anaerobic protection, is driven by electrochemistry at room temperature, takes a nickel bromide (II) diethylene glycol dimethyl ether compound as a catalyst, takes 2, 2 '-bipyridine or 2, 2'-bipyridine-5, 5 '-dimethyl phthalate as a ligand, takes lithium bromide as an electrolyte, takes a stainless steel sheet or a zinc sheet as an anode, takes foamed nickel as a cathode, and takes nickel hydroxide as a cathode. The preparation method comprises the following steps: placing an aryl sulfone compound and aryl halide in N, N-dimethylformamide, respectively electrifying a positive electrode and a negative electrode for 10 hours, and carrying out column chromatography purification by using an automatic column chromatography machine to obtain the biaryl compound. By adopting the method, not only can a series of important drug molecules be synthesized, but also electrochemical polymerization reaction can be performed.

Disclosed is a method of electrochemical delamination of polymeric films from metallic articles. Also disclosed are systems for achieving the same.

The present invention discloses an electrochemical biosensor for detecting C-reactive protein in plasma and whole blood. The electrode interface of the electrochemical biosensor is constructed based on electrochemical polymerization and electrochemical deposition. It is simple and rapid to prepare, requires minimal reagents, has low human toxicity, and is environmentally friendly and pollution-free. The sensor exhibits a good linear relationship with the electrical signal detected by the sensor within a C-reactive protein concentration range of 0.1 to 25 μg / mL, with a detection limit of 0.096 μg / mL. The sensor exhibits high sensitivity, simple operation, high selectivity, environmental friendliness, and high biosafety. It facilitates the rapid diagnosis of sepsis and the immediate monitoring of disease progression. It also provides technical support for the development of biosensors for biomarker detection in complex media.

The invention belongs to the technical field of electrochromic materials, and particularly relates to a PEDOT (poly (3, 4-ethylenedioxythiophene)) photonic crystal film for enhancing electrochromic performance based on electronegativity of MXene and a preparation method of the PEDOT photonic crystal film. The PEDOT photonic crystal film with a periodic porous structure is prepared by combining electrochemical polymerization with a template sacrifice process. The conductivity and the structural orderliness of the thin film are effectively improved through synergistic doping; wherein the electronegativity of MXene can significantly promote the immigration / emigration of small-size cations in the electrochromism process, the porous structure of the photonic crystal further accelerates ion transmission and widens the electrochromism response range, and meanwhile, the regulation and control effect is visually reflected in the form of photonic band gaps.

The application belongs to the technical field of organic synthesis, and provides a star structure carbazole derivative, a preparation method thereof and a carbazole conductive polymer. The application obtains an intermediate by mixing 10-phenyl-10H-phenothiazine, N-bromosuccinimide and a first organic solvent for reaction; obtains the star structure carbazole derivative by mixing the intermediate, 9H-carbazole-2-boronic acid pinacol ester, tetrakis(triphenylphosphine)palladium, an accelerator and a second organic solvent for reaction; and obtains the carbazole conductive polymer by mixing the star structure carbazole derivative and an electrolyte solution for cyclic voltammetry electrochemical polymerization. The method is simple, has few by-products, and the star structure carbazole derivative obtained by the method is a non-coplanar star structure, which is beneficial to the embedding and discharging of electrolyte ions, so that the carbazole conductive polymer has excellent electrochemical performance and energy storage properties, and the conductive polymer also has excellent electrochromic performance.

The invention concerns the development of molecularly imprinted polymer for label-free capacitive sensing application. The method outlined by the invention involves several steps: a) Pre-treating the surface of the working electrode; b) Electrochemical polymerizing a monomer solution in an electrolyte buffer containing the target template molecule to form an imprinting template film on the electrode surface; c) Washing the electrode to remove unbound molecules; d) Characterizing the formed imprinting template film by cyclic voltammetry in a supporting electrolyte solution to determine its half-wave potential; e) Forming the molecularly imprinted polymer electrode by removing the target template molecule from the synthesized polymer; f) Incubating the obtained molecularly imprinted polymer with the target template for a specified duration; g) Detecting the target template molecule using capacitance-derived electrochemical impedance spectroscopy. This method presents significant advantages in terms of specificity, sensitivity, and stability, rendering it highly applicable across numerous industries for enhancing detection, monitoring, and diagnostic capabilities.

The invention discloses an electrochemical preparation method and application of a triphenylamine polymer film. The material takes an anthraquinone structural unit as an electron acceptor and a triphenylamine structural unit as an electron donor. The monomer is subjected to electrochemical polymerization to prepare a polymer film, and the polymer film can be used as an electrochromic material. The organic polymer electrochromic material disclosed by the invention is simple in preparation method and low in cost. # imgabs0 #

The present invention relates to the technical field of reaction equipment, and discloses an electrochemical polymerization reaction device, including an electrochemical reaction mechanism, which includes a reaction unit and a detection unit. The reaction unit adopts a spiral reactor, and the microchannel wall is used as an electrode to ensure that the material is within the coverage range of the electric field, shorten the mass transfer distance, and improve the mass transfer efficiency. Compared with traditional reactors, this device reduces the difficulty and cost of scale-up production through modular design. The efficient mass transfer and heat transfer in the microchannel make the reaction temperature and process easier to control, reduce the defective rate, and achieve rapid reaction under mild conditions, reducing energy consumption and equipment loss. The device has a wide adaptability to different types of electrochemical polymerization reactions, and significantly improves product quality and market competitiveness. The spiral microchannel combined with the vibration function optimizes the material flow state, prevents local accumulation and enhances the mixing effect, and improves the reaction uniformity and efficiency.

The invention discloses a high-molecular mediator catalyst, a composite positive electrode material and application of the composite positive electrode material. The high-molecular mediator catalyst is prepared from an organic micromolecular monomer with oxidation-reduction activity through a chemical or electrochemical polymerization method. A composite positive electrode material of a rechargeable metal-air battery or a lithium-sulfur battery is composed of the polymer mediator catalyst, a carbon material and a binder. The high-molecular mediator is formed by polymerizing organic micromolecular monomers through a chemical or electrochemical method, has a multifunctional catalytic characteristic, and is compounded with a high-pore carbon material to form a composite positive electrode material with a synergistic effect, so that the charge-discharge efficiency, the capacity and the cycle stability of a battery are remarkably improved.

The present invention discloses a polyaniline / thiourea / activated carbon fiber integrated material, its preparation method and energy storage application. The present invention uses activated carbon fiber as the matrix material, introduces thiourea molecules by grafting synthesis method, and introduces polyaniline by electrochemical polymerization method to synthesize the polyaniline / thiourea / activated carbon fiber integrated material. By introducing thiourea molecules, the activated carbon fiber is connected by amide covalent bond and the polyaniline is connected by hydrogen bond to enhance the interfacial interaction, reduce the transfer resistance between interfaces, enhance the electrochemical performance, significantly improve the electrochemical activity and cycle stability in the integrated structure. This material can be applied to the electrodes of flexible and woven wearable supercapacitors to construct energy storage devices and realize electrochemical energy storage applications.

The invention relates to the technical field of electrochemical analysis, and discloses a cobalt ion detection method based on an ion imprinted polymer modified electrode, and the method comprises the following steps: constructing a microfluidic system, and carrying out electrochemical polymerization by enabling a precursor solution to dynamically flow through the electrode to realize uniform growth of a modification layer and dynamic embedding of Co < 2 + >; then applying pulse potential to efficiently elute Co < 2 + >; and finally, performing electrochemical detection after re-combining to-be-detected Co < 2 + >. According to the scheme, imprinting sites are uniformly distributed, the template agent is rapidly and efficiently eluted, and the cobalt ion detection performance, reproducibility and preparation efficiency are remarkably improved.

The present invention provides a pH-regulated intelligent oil-water separation membrane, which includes a metal mesh framework. A lignosulfonate-doped polypyrrole membrane is disposed on the metal mesh framework. A fluorine-containing hydrophobic substance is grafted onto the sodium lignosulfonate-doped polypyrrole membrane, and the surface wettability can be reversibly transformed between hydrophilic and superhydrophobic under pH regulation. Its preparation method includes: S1 using an electrochemical oxidation method to prepare, electrochemically polymerizing in an ethanol / water solution containing sodium lignosulfonate and pyrrole to obtain a lignosulfonate-doped polypyrrole membrane; S2 pre-wetting the lignosulfonate-doped polypyrrole membrane and placing it in a vacuum environment together with the fluorine-containing hydrophobic substance, so that the fluorine-containing hydrophobic substance is fully vaporized and deposited on the surface of the polypyrrole membrane, completing the deposition and grafting of the polypyrrole membrane. Its surface wettability can be reversibly transformed between hydrophilic and superhydrophobic under pH regulation, realizing the on-demand separation of light oil / water and heavy oil / water type oil-water mixtures.

The present invention belongs to the technical field of conductive materials and their preparation, and specifically relates to poly (3-bromofuran) materials with electrochemical energy storage, and preparation methods and applications thereof. The preparation method of the poly (3-bromofuran) material with electrochemical energy storage described in the present invention comprises the following steps: dissolving tetrabutylammonium boron tetrafluoride in a mixed solution of acetonitrile and boron trifluoride ether, and then adding 3-bromofuran to obtain an electrochemical polymerization solution; in a one-chamber three-electrode system, using an ITO electrode as a working electrode, using a constant potential polymerization method, the electrochemical polymerization solution is deposited on the ITO electrode to obtain a poly (3-bromofuran) material with electrochemical energy storage. The poly (3-bromofuran) material with electrochemical energy storage provided by the present invention has good energy storage capacity, strong electron transmission capacity, and strong charge and discharge performance. The present invention also provides a preparation method thereof, which is simple to operate, and the prepared poly (3-bromofuran) material is applied to the electrode of a capacitor.