26results about How to "High specific capacitance" patented technology

This invention belongs to the field of supercapacitor technology, specifically relating to a molybdenum oxide-molybdenum disulfide@polytannic acid electrode material, its preparation method, and its applications. Using molybdenum foil as the current collector and electrode, this invention prepares a molybdenum oxide-molybdenum disulfide electrode using electrochemical oxidation and hydrothermal methods. A polytannic acid coating is deposited on its surface to prepare a biodegradable molybdenum oxide-molybdenum disulfide@polytannic acid electrode. This electrode is then sandwiched with a biodegradable gel electrolyte and encapsulated with a biodegradable encapsulation material to construct a biodegradable supercapacitor with self-discharge suppression capabilities. By depositing a polytannic acid coating on the surface of the supercapacitor electrode, its self-discharge behavior is suppressed. The polytannic acid coating can prevent parasitic Faraday reactions of impurity ions on the electrode surface and prevent charge transfer, thereby suppressing the capacitor's self-discharge behavior. Simultaneously, the electrode, electrolyte, and encapsulation material can all degrade in simulated body fluids, potentially opening up applications in implantable medical electronic devices.

The invention discloses a multi-atom doped porous carbon material and a preparation method and application thereof.The porous carbon material is sodium lignin sulfonate carbon doped with phosphorus, boron, nitrogen and selenium, and the preparation method comprises the steps that the carbon material is activated and doped through solvothermal reaction to obtain a precursor, and then the precursor is subjected to high-temperature carbonization, potassium hydroxide activation and acid pickling to obtain the multi-atom doped porous carbon material. The polyatom-doped sodium lignin sulfonate porous carbon is obtained. The polyatom-doped sodium lignin sulfonate porous carbon prepared by the method provided by the invention has the advantages of ordered microstructure, hierarchical pore structure and high specific surface area, the specific surface area is greater than 2000m < 2 > / g, and the polyatom-doped sodium lignin sulfonate porous carbon can be applied to a supercapacitor electrode material, can provide a good channel for rapid diffusion and transmission of electrolyte ions in an electrochemical process, and can be used for preparing a supercapacitor electrode material. The utilization rate of active sites is increased, higher specific capacitance and excellent rate capability (the specific capacitance retention rate is greater than 60%) are shown, and the application value is good.

The application discloses a kind of based on magnetic cellulose electric coagulation system, comprising the following steps: with reticular electrode PbO2-Ti and Ti respectively as anode and cathode, concentration is 0.02~0.08g / L magnetic cellulose is added into electrolyte, constructs magnetic cellulose electric coagulation system;The application also discloses a kind of removal method of algae, and magnetic cellulose material has better conductivity and higher charge transfer rate, has greater charge storage capacity and higher specific capacitance, can be used as three-dimensional particle electrode strengthening system polarization in magnetic cellulose electric coagulation system, significantly reduce the energy consumption of electric coagulation system while also improve the efficiency of algae removal.

This invention relates to the field of carbon material preparation technology, specifically disclosing a method for preparing porous carbon materials using a hierarchical synergistic activation method and its application. This method uses waste biomass from *Siraitia grosvenorii* pomace as raw material, sequentially undergoing low-temperature pre-activation, water washing, high-temperature synergistic activation, and isothermal acid washing to obtain porous carbon materials with ultra-high specific surface area. Scanning electron microscopy analysis and pore structure detection results show that the carbon material exhibits a hierarchical porous layered structure. Electrochemical tests show that the material possesses excellent capacitance performance, with a specific capacitance reaching 200-450 F / g at a current density of 0.5 A / g. When this porous carbon material is assembled into a symmetrical supercapacitor, after 10,000 cycles at a current density of 10 A / g, the specific capacitance retention rate remains above 90%, demonstrating good cycle stability and showing promising application prospects in the field of energy storage.

The application provides a preparation method of a flexible thin film electrode based on a multivalent transition metal oxide modified MXene, and comprises the following steps: S1, placing MAX raw materials into acid liquor for etching, and then performing intercalation treatment to obtain an MXene colloidal solution; S2, adding a transition metal oxide dispersion liquid into a reaction kettle to perform a hydrothermal reduction reaction to obtain a multivalent transition metal oxide colloidal solution; and S3, mixing the MXene colloidal solution and the multivalent transition metal oxide colloidal solution, stirring and reacting, and then forming a film to obtain a flexible thin film electrode. The flexible thin film electrode prepared by the application has good mechanical flexibility and electrochemical performance. The multivalent transition metal oxide is stably combined with the MXene, effectively alleviates the problem of the re-stacking of two-dimensional MXene nanosheets, increases the number of active sites, and further improves the electrochemical activity, and the comprehensive performance is excellent.

The invention relates to the technical field of electrode materials, in particular to a flexible supercapacitor electrode material and a preparation method thereof based on cyclic electrochemical deposition, and the method comprises the following steps: pretreating flexible carbon cloth to obtain modified carbon cloth; and preparing an aniline electroplating solution and a graphene oxide electroplating solution, and alternately electrodepositing a PANI layer and an rGO layer on the modified carbon cloth to obtain the electrode material with the PANI / rGOR layer. According to the flexible supercapacitor electrode material and the preparation method thereof based on the cyclic electrochemical deposition, the thickness and the proportion of the PANI layer and the rGO layer can be accurately adjusted by controlling the electrodeposition time, the potential and the cycle index, so that the PANI layer and the rGO layer are alternately deposited to form a compact and firmly-combined layered structure, and the flexible supercapacitor electrode material is prepared. And the peeling problem caused by the volume change of the PANI in the charging and discharging process is effectively relieved.

The invention belongs to the technical field of electrochemical energy storage, and particularly relates to a three-dimensional Co / Ni-ZIF nanosheet and carbon fiber cloth electrode material and a preparation method thereof.The preparation method comprises the following steps that 1, carbon fiber cloth is activated, and after the reaction is finished, cleaning and drying are conducted to obtain activated carbon fiber cloth; (2) dissolving a cobalt source, a nickel source and a 2-methylimidazole ligand in different proportions in methanol, and uniformly mixing to obtain a reaction solution; soaking the obtained activated carbon fiber cloth in the reaction solution, carrying out solvothermal reaction, and growing a three-dimensional Co / Ni-ZIF nanosheet on the surface of the carbon fiber cloth in situ; and (3) after the reaction is finished, taking out the carbon fiber cloth, washing and drying to obtain the Co / Ni-ZIF nanosheet and carbon fiber cloth electrode material with the three-dimensional porous network structure.The Co / Ni-ZIF nanosheet and carbon fiber cloth electrode material with the three-dimensional porous network structure can solve the problems that an existing electrode material is poor in flexibility, poor in energy storage effect and poor in cycling stability.

The application discloses a carbon aerogel adsorption electrode and an electric adsorption system based on the carbon aerogel adsorption electrode, and a method for preparing the carbon aerogel adsorption electrode. The method adopts normal pressure drying technology, greatly reduces energy consumption in the electrode preparation process while ensuring that the electrode has large porosity. Compared with the existing electric adsorption process for regenerating circulating cooling water, the electrode regeneration process needs to be suspended for adsorption, which influences the adsorption and regeneration efficiency. The application adopts ex-situ regeneration electric adsorption, improves ion adsorption capacity, and realizes electrode regeneration in ex-situ, thereby ensuring continuous operation of the electric adsorption process, improving the adsorption and regeneration efficiency, and further improving the desalination efficiency. The electric adsorption system can be used for removing anions and cations of the circulating cooling water, and the obtained regenerated water can be used as make-up water for a cooling tower.

The invention discloses a layered MFI molecular sieve / reduced graphene oxide composite material as well as a preparation method and application thereof. The composite material is prepared by combining a layered MFI molecular sieve and graphene oxide in an ammonium salt solution and carrying out heat treatment. The composite material comprises reduced graphene oxide and a layered MFI molecular sieve embedded on the wrinkled surface of the reduced graphene oxide. The average length of the layered MFI molecular sieve is 80-200 nm, the average width of the layered MFI molecular sieve is 40-100 nm, the average thickness of the layered MFI molecular sieve is 10-20 nm, the pore size of the layered MFI molecular sieve is 0.5-0.68 nm, and the molar ratio of SiO2 to Al2O3 is (10-30): 1. The composite material provided by the invention has high specific capacitance, excellent cycling stability and excellent rate capability, the specific capacitance can reach 523.5 F.g <-1 > under the current density of 0.5 A.g <-1 >, and the capacitance retention rate reaches 80.1% after 10,000 times of circulation under the current density of 10 A.g <-1 >. The symmetric supercapacitor prepared from the composite material has excellent and stable electrochemical performance, and the energy density of 20.67 Wh.kg <-1 > is still kept under the power density of 2750 W.kg <-1 >.

The utility model provides a graphdiyne modified flexible supercapacitor electrode slice assembly, which comprises a support assembly and a capacitor assembly, the outer side surface of the support assembly is provided with an electrode assembly used for being connected with a discharge device, the support assembly comprises a support layer used for supporting the capacitor assembly and a support outer layer, and the support outer layer is provided with an electrode. Compared with the prior art, the utility model has the following beneficial effects: through the arrangement of the supporting layer comprising the supporting plate and the honeycomb plate and the supporting assembly of the supporting outer layer, when in use, the supporting plate provides basic bearing, and the honeycomb plate disperses stress with high mechanical efficiency by virtue of a unique porous structure, so that the strength of the honeycomb plate is improved, and the service life of the honeycomb plate is prolonged. And meanwhile, the supporting outer layer further buffers external impact and protects an internal capacitor assembly, the three parts are combined, so that the electrode plate has excellent mechanical stability, electrochemical performance and environmental adaptability, and the requirements of wearable equipment, flexible electronics and other scenes can be met.

The invention belongs to the technical field of supercapacitor electrode materials, and particularly relates to a nickel oxide / poly (3-ethylindole) composite electrode, a supercapacitor and a preparation method of the composite electrode. A titanium mesh is used as a current collector, 3-ethylindole is used as a polymeric monomer, nickel nitrate hexahydrate is used as a nickel source, and hexadecyl trimethyl ammonium bromide is used as a structure-directing agent; a nickel oxide / poly (3-ethylindole) composite electrode and a symmetric supercapacitor are prepared through an integrated process of current collector modification, substrate preparation through constant-current polymerization, sol-gel, hydrothermal nickel oxide preparation, spraying, sintering and compounding, and gel electrolyte assembly, and cooperative regulation and control of current collector interface modification and composite electrode structure design are realized. And the limitation that the current collector and the active layer interface are weak in bonding and charge transfer is blocked in the traditional process is broken through.

The application discloses a preparation method of a high specific capacitance supercapacitor electrode based on carbon materials, which comprises the following steps: mixing carbon materials with sodium alginate or a carboxymethyl cellulose aqueous solution to obtain a slurry; coating the slurry on a substrate to form a slurry film, immersing the slurry film together with the substrate in a crosslinking agent to perform crosslinking, and then separating the hydrogel film from the substrate; cleaning the hydrogel film with distilled water to remove residual crosslinking agent, and then immersing the hydrogel film in an electrolyte to perform electrochemical treatment, so as to obtain a high specific capacitance supercapacitor electrode. The application can widen the electrochemical stable potential window of the carbon materials and the electrolyte by 30% and improve the specific capacitance of the carbon materials by about 100% under the condition that the carbon materials and the electrolyte are used in existing commercial applications, and the preparation method is simple, compatible with existing commercial production lines, and can realize large-scale preparation.

The invention relates to a fluorinated modified MXene-based conductive composite material and a preparation method thereof, and belongs to the technical field of composite materials, Ti3AlC2 is subjected to fluorinated etching, a fluorine group is introduced, Ni < 2 + >, Co < 2 + > and La < 3 + > react with S < 2 > generated by disproportionation reaction of sulfur powder under a hydrothermal condition to generate metal sulfide nanocrystals, the metal sulfide nanocrystals are anchored on the surface of fluorinated MXene powder, and the fluorinated modified MXene-based conductive composite material is obtained. Meanwhile, ammonium fluoride supplements fluorine ions to further regulate and control surface groups, melamine is induced to form a titanium vacancy defect in subsequent heat treatment, active sites are enriched, an electron transmission path is optimized, nitrogen doping and heat treatment of dopamine form a nitrogen-doped carbon layer, a three-dimensional conductive network is constructed, the interface bonding force is enhanced, and the conductivity of the electrode is improved. In-situ generation of ZnIn2S4 and interlayer insertion of graphene oxide increase additional active sites and effectively inhibit agglomeration, so that the specific capacitance and cycling stability of the fluorinated modified MXene-based conductive composite material are synergistically improved.

The invention discloses a banana cauloid biochar / CuMn-MOF composite material, a preparation method and a supercapacitor, and belongs to the technical field of supercapacitor electrode materials, and the preparation method comprises the following steps: pretreating banana cauloid, and then carrying out segmented carbonization in an inert atmosphere to obtain a primary carbon material; mixing the primary carbon material with a composite pore-forming agent, and carrying out heat treatment, wherein the composite pore-forming agent comprises K2CO3 and melamine; the preparation method comprises the following steps: preparing a banana cauloid biochar / CuMn-MOF composite material, performing acid pickling, drying and microwave activation treatment, dispersing the banana cauloid biochar / CuMn-MOF composite material in a solvent, sequentially adding a copper salt, a manganese salt and an organic ligand for mixed reaction, and performing separation, drying, pyrolysis and sulfur doping treatment to obtain the banana cauloid biochar / CuMn-MOF composite material. The problems of non-uniform dispersion, insufficient active sites and weak interface bonding when the MOF and the biochar are compounded are solved. The electrode material with high specific capacitance, excellent rate capability and excellent cycling stability is successfully prepared by using agricultural wastes as raw materials under mild and environment-friendly conditions, and an effective way is provided for development of high-performance supercapacitors.

The present application relates to the technical field of electrode material, and particularly relates to a preparation method of seamless integrated zinc negative electrode material.In the present application, a three-dimensional porous structure vertical graphene is constructed on the surface of a substrate, and the surface of the vertical graphene is functionally treated to serve as a zinc plating framework, so that zinc is uniformly loaded on the surface of the substrate, and then a MOF protective layer is coated on the surface of the vertical graphene, thereby obtaining the seamless integrated zinc negative electrode material.In the present application, the surface functional treatment introduces hydrophilic functional groups to the surface of the vertical graphene to enhance the interaction and uniform electric field distribution;the introduction of the MOF protective layer does not destroy the surface morphology, and the thin and uniform MOF protective layer can also exclude large-size charged ion complexes.

The invention belongs to the technical field of nano carbon material preparation, and particularly relates to a method for preparing hierarchical pore hollow carbon nanospheres by taking original biomass as a raw material through a one-step method, application and a supercapacitor electrode. The method comprises the following steps: step 1, raw material preparation: cleaning and drying at least one original biomass raw material, mixing with polytetrafluoroethylene (PTFE) powder according to a mass ratio of (1: 1)-(1: 5), and uniformly grinding to obtain mixed powder; the mixed powder is placed in a tubular furnace under inert atmosphere protection, the mixed powder is heated to 800-1000 DEG C at the heating rate of 1-10 DEG C / min, heat preservation is conducted for 1-6 hours at the temperature, and then the mixed powder is naturally cooled to the room temperature; and step 3, collecting a product: taking out the pyrolyzed product to obtain the hierarchical pore hollow carbon nanosphere, and applying the hierarchical pore hollow carbon nanosphere to a supercapacitor electrode material. The invention provides a method for preparing hierarchical pore hollow carbon nanospheres, which is simple in process, green and environment-friendly, and low in cost.

The invention belongs to the technical field of capacitors, and discloses a ferro-nickel Prussian blue supercapacitor electrode material, a preparation method thereof and a supercapacitor, and the preparation method comprises the steps: dissolving nickel chloride hexahydrate, ferric trichloride hexahydrate and trisodium citrate dihydrate in water to obtain a reagent A, and dissolving potassium ferricyanide in water to prepare a solution to obtain a reagent B; slowly dropwise adding the reagent B into the reagent A at room temperature, stirring, standing the mixed solution at room temperature, washing, centrifuging, collecting precipitate, and performing vacuum drying to obtain a ferro-nickel Prussian blue material PBA; according to the invention, by adjusting the use amount of trisodium citrate and the ratio of nickel to iron, the effect of giving consideration to both high specific capacitance (140.25 Fg <-1 >) and cycle stability (retention rate after 2000 cycles is 84.35%) is achieved, and by adjusting the synergistic effect of the use amount of trisodium citrate and the ratio of nickel to iron, the structural stability and oxidation-reduction activity of the material can be effectively enhanced; and finally, the balance between high specific capacitance and excellent cycling stability is realized.

This invention relates to the field of capacitor technology, specifically to a method for preparing porous carbon modified from cottonseed hulls and its application. The invention involves ultrasonically treating cottonseed hulls in a dilute acid solution, followed by acidification to modify the hulls. Microwave pore-forming is then used to obtain porous carbon with well-developed pores and a large specific surface area. Acid washing and water washing remove minerals and residual carbon fragments from the pores, significantly improving pore utilization. Simultaneously, the acidified cottonseed hull surface is covered with microspheres, forming porous carbon containing numerous micropores and mesopores. This provides a wider charge transport channel during subsequent charging and discharging of supercapacitors, thereby increasing the specific capacitance of the supercapacitor. Finally, the carbon skeleton structure of the acidified cottonseed hulls is more stable, and the prepared porous carbon, used as a capacitor electrode material, maintains its carbon skeleton structure unchanged after multiple charge-discharge cycles, exhibiting outstanding cycle stability.

This invention discloses a high-nitrogen-doped flexible porous carbon fiber membrane based on ammonia-activated flax, its preparation method, and its applications. Using biomass flax fabric as the carbon precursor, the membrane is first pre-carbonized at a programmed rate of 750-850℃ in an inert gas atmosphere, followed by activation treatment at 850-950℃ in a mixed atmosphere of ammonia and inert gas. This invention has the following advantages and effects: Through the aforementioned "Type IV" programmed ammonia activation strategy, this invention achieves simultaneous carbonization, activation, and nitrogen doping in a one-step process using biomass waste as raw material. The process is simple, green, and efficient.

This invention belongs to the field of lithium-ion capacitor technology, specifically relating to a lithium-ion capacitor with a porous carbon positive electrode and a hard carbon negative electrode, and its preparation method. Pretreated coal powder and KOH powder are carbonized in a tube furnace at a mass ratio of 1:(3~5) to obtain porous carbon as the positive electrode material; the pretreated coal powder is carbonized in a tube furnace at 1200~1600℃ to obtain hard carbon as the negative electrode material; the positive and negative electrode materials are assembled at a mass ratio of (1~3):1 to obtain a lithium-ion capacitor with good electrical performance. The porous carbon prepared by this invention has a hierarchical pore structure, high specific surface area, and suitable defect density, providing high specific capacitance; the hard carbon prepared by this invention has a composite structure of short-range ordered graphite-like microcrystals and amorphous carbon, which is conducive to rapid lithium-ion insertion / extraction, providing a capacity basis; the appropriate assembly ratio of the porous carbon positive electrode material and the hard carbon negative electrode material effectively improves the overall performance of the lithium-ion capacitor.

This invention discloses a manganese oxide / indium tin oxide composite material, its preparation method, and its application. The preparation method includes: 1) subjecting carbon fibers to high-temperature oxidation treatment; 2) placing the oxidized carbon fibers in a potassium permanganate solution and performing a hydrothermal reaction at high temperature to grow manganese dioxide nanosheets to obtain an electrode sheet; 3) placing the electrode sheet in a mixed solution of ethanol and ethylene glycol containing manganese acetate and performing a hydrothermal reaction to grow manganese dioxide / manganese tetroxide nanospheres; 4) subjecting the manganese dioxide / manganese tetroxide nanosphere electrode obtained in step 3) to charge-discharge cycles in an electrolyte containing indium tin oxide, and after the cycles are completed, repeatedly washing with deionized water and drying to obtain the manganese dioxide / indium tin oxide electrode material. The manganese oxide / indium tin oxide composite material prepared by this invention has nanoparticles on its surface and exhibits a larger specific capacitance compared to other manganese oxide nanomaterials or composite materials.

This invention relates to the field of calcium-ion battery technology, specifically to an electrochemical activation method for PTCDI electrode material, which includes the following steps: (1) placing a 0.5M CaCl2 aqueous solution as the electrolyte in an electrolytic cell; (2) preparing a slurry from PTCDI, super P and Nafion film solutions, and coating the prepared slurry onto a carbon fiber paper substrate; (3) thoroughly drying the carbon fiber paper electrode coated with the slurry to obtain an electrode sheet; (4) placing the obtained electrode sheet in the electrolyte for electrochemical activation, and finally obtaining a calcium-ion battery negative electrode; (5) conducting electrochemical performance tests on the PTCDI negative electrode material. The electrochemical activation method for PTCDI electrode material of this invention can effectively increase the wettability between the PTCDI electrode and the electrolyte, and effectively improve its discharge specific capacity.

The invention belongs to the technical field of porous carbon materials, and particularly relates to a gradient pore porous carbon material and a preparation method and application thereof. The preparation method comprises the following steps: mixing a carbon source precursor, a soft template and a densification carbonization component, adding a gas release hole regulator and a heteroatom introducing agent, mixing, mixing with a solvent, granulating, carrying out pre-curing treatment and segmented carbonization treatment, carrying out graded gas activation treatment, and finally carrying out post-treatment and heat treatment to obtain the carbon-based composite material. The gradient pore porous carbon material is obtained. According to the method, a continuous mesoporous channel network is constructed through a phase separation soft template, fine trimming and concentration of micropore diameters and channel dredging are achieved through graded gas activation, and the compaction density and the electric conduction continuity are improved by introducing a char-forming densification and structure shape locking strategy; the gradient pore porous carbon material which has high specific capacitance, high rate performance and high volume capacitance and is suitable for thick electrodes and high-surface-density electrodes is obtained, and the gradient pore porous carbon material has the advantages of being mild in process, good in repeatability, easy to amplify and low in aftertreatment burden.

The invention discloses a carbon cloth-based composite material, a preparation method and application in a supercapacitor, and belongs to the technical field of supercapacitor electrode materials, and the method comprises the following steps: dissolving nickel nitrate hexahydrate, copper nitrate pentahydrate and an organic ligand containing carboxyl and amino in N-methyl pyrrolidone, adjusting the pH value to 6.07.0, and stirring to form a uniform mixed solution; the preparation method comprises the following steps: carrying out ultrasonic and microwave synergistic activation on pretreated carbon cloth, immersing the carbon cloth in a mixed solution for gradient heating solvothermal reaction to obtain a flexible Ni-Cu bimetal MOF / carbon cloth composite material, immersing the flexible Ni-Cu bimetal MOF / carbon cloth composite material in a composite vulcanizing agent solution prepared from thioacetamide and potassium sulfide, and sequentially carrying out segmented water bath vulcanization and gradient calcination treatment to obtain the flexible Ni-Cu bimetal MOF / carbon cloth composite material. The carbon cloth-based composite material is obtained. The flexible core-shell porous sulfide / carbon cloth composite material with high specific surface area, high specific capacitance, excellent cycle stability and low internal resistance is prepared, the process is mild, the solvent can be recycled, and the composite material has good industrial economy and environmental friendliness.

This invention discloses a lithium-carbon dioxide battery cathode, a lithium-carbon dioxide battery, and its preparation method, belonging to the field of battery technology. The invention utilizes the reaction of amino acids with inorganic acids to prepare amino acid salt ionic liquids. These amino acid salt ionic liquids are then used to pretreat sawdust, followed by carbonization to prepare activated carbon fibers. Finally, the prepared activated carbon fibers are used as the cathode catalyst to prepare the lithium-carbon dioxide battery cathode. The activated carbon fibers prepared by this method exhibit high peak current, large discharge capacity, and good cycle stability. The ionic liquid C8mimBF4 is used as both the CO2 capture and storage medium and the electrolyte, improving battery life and effectively ensuring battery safety and environmental friendliness. This invention employs multi-cell packs and semi-dry electrode processes to construct a manufacturing process for lithium-carbon dioxide batteries. The resulting batteries exhibit high energy density and good operational stability, demonstrating excellent economic prospects and practical value.

The invention belongs to the technical field of conductive fabrics, and particularly relates to a conductive fabric and a preparation method and application thereof. The preparation method of the conductive fabric comprises the following steps: adding a metal salt into an MXene dispersion liquid to obtain a mixed solution I, immersing a base material into the mixed solution I, and repeatedly pulling to load MXene on the surface of the base material to obtain an MXene-loaded base material; and mixing nickel salt, an organic ligand and a solvent to obtain a mixed solution II, contacting the MXene-loaded base material with the surface of the mixed solution II, then dropwise adding ammonia water into the mixed solution II, carrying out a heating reaction, and drying to obtain the conductive fabric. The prepared conductive fabric is in a sandwich-like form of a PMIA layer, an MXene layer and an MOF layer, a conductive material is not added into the fabric, intrinsic characteristics of the electrostatic textile fabric cannot be damaged, and the problem that in the prior art, mechanical flexibility of the fabric is insufficient is solved on the premise that excellent conductivity is guaranteed.