90 results about "Electrosynthesis" patented technology

The invention belongs to the technical field of chemical catalysis, and particularly relates to a preparation method of an alkali metal cation modified cobalt-nitrogen-carbon monatomic catalyst and application of the catalyst in electrosynthesis of hydrogen peroxide. The Co-N-C / X catalyst is obtained by taking a cobalt-containing compound as a metal source, mixing the metal source with a nitrogen-containing organic matter and a carbon material, performing rotary evaporation, grinding and high-temperature pyrolysis in an inert atmosphere, performing acid washing with strong acid to construct surface defects, and finally performing stirring adsorption with an alkali metal salt solution, suction filtration and drying. Alkali metal cations are physically adsorbed and anchored on the surface and interface of the Co-N-C catalyst instead of being dissolved in a solution, so that the electronic structure of Co active sites and the adsorption energy of the * OOH intermediate are optimized, and the problem of separation of alkali metal and a product is solved. When the catalyst is used for electro-catalytic oxygen reduction reaction, the H2O2 selectivity reaches up to 98%, the preparation process is simple, the cost is low, large-scale production can be realized, and the problems that the traditional method is high in energy consumption and large in pollution and the existing catalyst is insufficient in selectivity are solved.

The invention provides an iron metal oxyhydroxide catalyst, a preparation method thereof and application of the iron metal oxyhydroxide catalyst in urea electrosynthesis, and belongs to the technical field of electrocatalysis, the iron metal oxyhydroxide catalyst comprises a stainless steel mesh substrate and a FeOOH layer coating the surface of the stainless steel mesh substrate; wherein the stainless steel mesh substrate is subjected to diluted hydrochloric acid soaking ultrasonic pretreatment. The iron metal oxyhydroxide catalyst with a polarized Fe0-Fe3 + structure is prepared by taking a stainless steel mesh pretreated by diluted hydrochloric acid as a substrate through an electrochemical deposition process. The catalyst has high C-N coupling selectivity and good cycling stability in a urea electro-catalysis synthesis reaction.

The application discloses a preparation method of an indoline compound based on organic electrosynthesis, and belongs to the technical field of pharmaceutical chemical engineering and related chemistry. The method uses simple arylamine and halogenated olefin as raw materials, and prepares the indoline compound under the electrolysis of an electrode, so that green and efficient synthesis of the indoline compound is realized. The method has the advantages of low cost, high selectivity, mild reaction condition, good functional group compatibility, wide substrate range and environmental friendliness. The indoline compound is an important organic synthesis intermediate, and has a very wide application in the fields of fine chemical engineering and pharmacy. The preparation method has great application value and social and economic benefits.

An electro-energy or electro-synthetic cell, including a cathode, an anode and an electrode separator positioned between the cathode and the anode. A liquid electrolyte inlet supplies a liquid electrolyte to the cell, and a liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet includes an overflow weir over or through which excess liquid electrolyte flows out of the cell. In another form, one or more drippers are included as part of the liquid electrolyte inlet and / or the liquid electrolyte outlet and drip chambers are positioned below the drippers. In another form, one or more porous capillary structures are located in liquid pathways in the cell, for example in a liquid pathway provided by an overflow weir or adjacent a dripper. In another form, one or more restrictors are utilised that create a pressure drop in the liquid electrolyte passing through the restrictor.

The invention discloses a noble metal modified hollow structure catalyst as well as a preparation method and application thereof, and belongs to the technical field of electro-catalysis. The preparation method comprises the following steps: (1) preparing a precursor to obtain cuprous oxide; (2) constructing a hollow structure: enabling transition metal oxide to grow on the surface of cuprous oxide; adding a Na2S2O3 solution to etch cuprous oxide to obtain a hollow transition metal oxide; (3) precious metal modification: obtaining a transition metal oxide precursor modified by precious metal salt; and (4) thermal treatment growth: carrying out high-temperature annealing on the transition metal oxide precursor modified by the noble metal salt to obtain the noble metal modified hollow structure catalyst. According to the catalyst, through in-situ growth of precious metal oxide particles or precious metal state particles on the surface of the transition metal oxide, intermediate adsorption can be optimized, side reactions are inhibited, and the efficiency and selectivity of reducing nitrate into ammonia are improved.

An electrosynthetic cell and its use are disclosed. The electrosynthetic cell can be used in a reductive electrosynthesis of one or more desired chemical products from one or more chemical reactants. The electrosynthetic cell comprises a hydrogen anode half-cell and a cathode half-cell. The hydrogen anode half-cell comprises hydrogen (H2), a first liquid phase solution that is in contact with an anode and a heterogeneous redox catalyst capable of catalyzing the oxidation of H2 to H+, and a redox mediator capable of transferring or accepting electrons and / or protons while undergoing reduction or oxidation. The cathode half-cell comprises a second liquid phase solution comprising the one or more chemical reactants that is in contact with a cathode and a reductive synthesis catalyst capable of catalyzing the reductive synthesis of the one or more desired chemical products from the one or more chemical reactants.

The present invention is directed to a paired electrosynthesis process for the (co)production of hydroxylamine (HA) and / or ammonia out of N2 or air and water. It further provides an electrolyzer developed for said purpose comprising both a porous cathode and anode with an effective catalyst layer and based on a continuous flow process. The process and electrolyzer of the present invention are particularly useful to efficiently convert reactants such as NOs′, NO2; NOx and N2 at both, the cathode and anode.

The invention is suitable for the technical field of electrochemical catalysts, and provides a preparation method and application of an MOF-derived NiCr2O4 (at) C catalyst, and the method comprises the following steps: mixing nickel salt, chromium salt and terephthalic acid in a solvent to form a mixed solution; wherein the molar ratio of the nickel salt to the chromium salt is (1-2): 1; carrying out solvothermal reaction on the obtained mixed solution at 120-160 DEG C for 6-18 hours, and washing and drying a reaction product to obtain a NiCr-MOF precursor; and carrying out heat treatment on the NiCr-MOF precursor in an inert atmosphere at 450-650 DEG C for 1-3 hours to obtain the NiCr2O4-C catalyst. The obtained catalyst has an MOF-derived porous carbon composite structure, shows about 100% H2O2 selectivity, high catalytic activity and excellent stability in alkaline electrolyte, is simple in preparation method and good in repeatability, and provides a high-performance and low-cost solution for green electrosynthesis of hydrogen peroxide.

This invention discloses a copper hexacyanoferrate-potassium heptacopper sulfide composite electrode material, its preparation method, and its application, belonging to the field of electroanalytical sensing material preparation technology. This invention uses a hydrothermal synthesis method to prepare potassium heptacopper sulfide. Subsequently, the potassium heptacopper sulfide-modified electrode is placed in an electrolyte solution containing potassium ferricyanide, and in-situ electrosynthesis is performed using cyclic voltammetry. This allows the hexacyanoferrate ions and copper ions present in the electrolyte to react and generate water-insoluble copper hexacyanoferrate, which grows in situ on the electrode surface, resulting in the copper hexacyanoferrate-potassium heptacopper sulfide composite electrode material. In this material, potassium heptacopper sulfide serves as a conductive substrate, and copper hexacyanoferrate serves as a redox probe. This composite electrode material can be used to construct an electrochemical sensor containing a molecularly imprinted layer, which exhibits high sensitivity, high specificity, a wide detection range, and good stability.

The present invention relates to an electrocatalytic reactor for synthesizing fuel from biomass and molecules derived therefrom, comprising an electrolysis unit, an electrolyte circulation unit, and a cooling unit. The electrolysis unit comprises an anode chamber housing, an anode chamber membrane reinforcing piece, a proton exchange membrane, a cathode chamber membrane reinforcing piece, and a cathode chamber housing which are arranged in sequence. The anode chamber housing and the cathode chamber housing are each divided into two communicated chambers by an inwardly recessed cooling water channel on a surface of the housing. The cathode and anode chamber housings are used to accommodate cathode and anode electrolyte liquids and corresponding cathode and anode electrode sheets, respectively. The present invention improves the structure of each component of an apparatus and the arrangement thereof, such that, compared with the prior art, the present invention solves the problems of numerous by-products, unbalanced internal pressure, difficult replacement of electrodes, and complex cooling in an electrosynthesis process. Additionally, the present invention is simple to manufacture and is suitable for mass production of reactors and products thereof.

The invention belongs to the technical field of preparation of sulfur-containing compounds, and particularly relates to a method for electrochemical synthesis of a sulfur-containing compound by taking sodium sulfinate as a sulfur source. In an inert atmosphere, an indolone compound or a 2-ester benzocyclic ketone compound is taken as a raw material and is respectively mixed with a sodium sulfinate compound, and under the action of alkali, an electrolyte and a cathode reduction hydrogen source, the 2-thioether-2-ester benzocyclic ketone compound with the structural formula shown in the specification is prepared by adopting an organic electrosynthesis method in a solvent at room temperature. Aiming at the defects of stink emission when mercaptan is used as a sulfur source, by-product increase caused by the participation of an oxidizing agent in a reaction and complex synthesis of an electrophilic sulfuration reagent in a carbon-sulfur bond construction process in a traditional method, the invention develops a method for synthesizing a carbon-sulfur bond by using a sodium sulfinate compound as a green sulfur source. An electrochemically mediated C (sp3)-S bond construction strategy is carried out under the condition of no exogenous catalyst, and efficient thioetherification of an activated C (sp3)-H bond is realized under a mild condition.

The present application provides a method for electro-synthesis of a thiophene-based conductive polymer film in an aqueous solution and application of the film, which comprises electrochemical synthesis of a conductive polymer film in an aqueous solution and metallization of the film. Traditional preparation methods of a thiophene-based conductive polymer film have poor solubility of polymer monomers, and thus the monomers need to be modified or dissolved in special organic solvents. The use of organic solvents not only pollutes the environment, but also limits the universality of the preparation of the polymer film to some extent and affects its large-scale application. The present application provides a method for electro-synthesis of a thiophene-based conductive polymer film in an aqueous solution, which uses an aqueous electrolyte solution with low price and almost no pollution to the environment, and can quickly prepare a thiophene-based conductive polymer film with high quality and high stability. Further metallization modification of the film can be applied to various electronic product fields, especially flexible and wearable electronic information products.

Disclosed is an electro-energy or electro-synthetic cell, comprising a cathode, an anode and an electrode separator positioned between the cathode and the anode. A liquid electrolyte inlet supplies a liquid electrolyte to the cell, and a liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet comprises an overflow weir over or through which excess liquid electrolyte flows out of the cell. In another form, one or more drippers are included as part of the liquid electrolyte inlet and / or the liquid electrolyte outlet and drip chambers are positioned below the drippers. In another form, one or more porous capillary structures are located in liquid pathways in the cell, for example in a liquid pathway provided by an overflow weir or adjacent a dripper. In another form, one or more restrictors are utilised that create a pressure drop in the liquid electrolyte passing through the restrictor.

The present invention relates to system and method for lowering the pollutants in waste water and electro transformation of waste waters and other reactants. A unique flow-through system is introduced where separate streams of oxidants and reductants can be introduced in the electrolysis chamber (100) and do not mix too much due to the laminar flow. The by-products can be easily separated from the outlets from both the anodic (101) and the cathodic chambers (102) by a cost-effective separator and the gases can be introduced back into the electrosynthesis chambers as required to break-down the pollutants.

The invention relates to the technical field of electro-catalysis and 3D printing, in particular to an ink direct-writing type 3D printing porous carbon electrode and a preparation method thereof, and is mainly applied to the electro-catalysis process of electro-synthesis of hydrogen peroxide. Carbon black powder and polytetrafluoroethylene are mixed to prepare printing slurry, and an ink direct-writing type 3D printer is used for preparing the porous electrode.

The utility model discloses a kind of self-breathing diaphragm-free hydrogen peroxide electric synthesis systems, it is related to electrochemistry technical field.The system includes raw material pretreatment area, product collection area, electrolytic reaction zone, power supply area and gas purging area;Raw material pretreatment area is equipped with electrolyte storage tank, make-up pump, delivery pump, electrolyte raw material storage tank and high concentration product feed pump, electrolytic reaction zone is equipped with membraneless electrocatalytic reactor, membraneless electrocatalytic reactor includes anode catalytic electrode and cathode catalytic electrode, cathode catalytic electrode uses self-breathing three-dimensional porous electrode.The system of the utility model uses self-breathing diaphragm-free electrocatalysis method, by air self-suction directly utilizes ambient oxygen to realize hydrogen peroxide in-situ synthesis, significantly reduce the system energy consumption, while eliminating the dependence on proton exchange membrane, and can construct dynamic pH buffering mechanism to realize "interface proton dynamic balance", improve the ion concentration gradient problem of electrochemical device.

The application discloses a popcorn-like Ni3V2O8 electrocatalyst, a preparation method and application thereof, and belongs to the technical field of catalysts and the application field of hydrogen peroxide. The final prepared electrocatalytic material is used for electro-synthesizing hydrogen peroxide and has certain influence on the on-site production of hydrogen peroxide. An optimal experimental condition can be obtained through regulation and control, the whole technological process is simple, time-consuming is short, the prepared catalyst exists in the form of popcorn-like micro-morphology, and the repeatability is good. The catalyst has high activity in the electro-synthesis of hydrogen peroxide, has a high in-situ degradation rate of dyes, can be used in-situ while preparing hydrogen peroxide, achieves the purpose of on-site production of hydrogen peroxide, and has a good application prospect.

The invention discloses a chitin carbon-based metal-loaded self-supporting electrode as well as a preparation method and application thereof, and belongs to the technical field of carbon material catalysts. According to the preparation method, rich renewable biomass resources are used for synthesizing a new material, the carbon precursor is rich, cheap and easy to obtain, the modifiability of the carbon substrate is high, the metal load variety is wide, and the system compatibility is good; the scheme has the advantages of simple steps, wide raw material sources, environmental protection and economy, and is beneficial to sustainable development and circular economy. The chitin carbon-based metal-loaded self-supporting electrode prepared by the invention has strong electrochemical corrosion resistance, can promote the action of an electrochemical mediator, and has the advantages of good conductivity, strength, modifiability, uniformity, universality, activity, stability and the like in an organic solvent system; good catalytic activity is shown in water electrolysis and organic electrosynthesis, and a new way is provided for exploring a new reaction or organic electrosynthesis.

The invention discloses a low-energy-consumption electrosynthesis method of phosphotriester compounds, and belongs to the technical field of electrolysis processes for producing compounds. In the electrolysis process, the catalyst loses electrons on the surface of the anode, an oxidation-state catalyst with oxidability is formed, and then the oxidation-state catalyst flows into the reaction device along with oxidation-state catalytic liquid. The oxidation-state catalyst reacts with white phosphorus to oxidize the white phosphorus and reduce the white phosphorus into a normal-state catalyst, and the oxidation-state white phosphorus has good reactivity and can further react with a monohydric hydroxyl compound to form a target phosphotriester compound. According to the method, the catalytic liquid is used as a medium participating in circular reaction, the synthesis route overcomes production interruption caused by reaction and product separation of white phosphorus and the unitary hydroxyl compound in an electrolytic tank under the action of current in an existing electrolytic synthesis system, and the method has the advantages of being simple, efficient, green, environmentally friendly and capable of achieving full-continuous flow production; the method is suitable for industrial production and has a good application prospect.

This invention discloses a α The electrosynthesis method of α-aminomethyltetrazole includes: using a platinum sheet as the cathode and a carbon rod as the anode, and employing ammonium tetrabutyltetrafluoroborate as the electrolyte under constant current catalysis, a one-pot coupling of a tertiary amine, an isonitrile, and azide trimethylsilane to prepare the α-aminomethyltetrazole. α The step involving the aminomethyltetrazole derivative, followed by post-treatment and column chromatography separation of the resulting reaction mixture, yields... α - Pure aminomethyltetrazole. This invention yields it through a single reaction step. α -Aminomethyltetrazole has fewer operating steps, avoids the use of large amounts of oxidants and additives, simplifies post-processing, and makes the product easy to separate.

A green electrosynthesis method of ammonium formate under a non-noble metal catalytic system comprises the following steps: cleaning copper foam with isopropanol and a hydrochloric acid solution in sequence, then placing the cleaned copper foam in a three-electrode electrolytic tank as a working electrode to obtain copper foam with the surface covered with a light blue precursor film, washing the precursor film with deionized water, and drying the washed precursor film for a long time to obtain the green electrosynthesis method of ammonium formate under a non-noble metal catalytic system. And carrying out heat preservation in a flowing argon atmosphere to obtain the nanowire structure anode electrode consisting of metal copper, copper oxide and cuprous oxide. According to the invention, the anode adopts an in-situ constructed gradient heterojunction nanowire structure, metal Cu provides an excellent electron conduction channel, rapid charge transmission under high current density is ensured, optimal balance is realized in a nitrate eight-electron reduction path through the cathode, and NOI initial adsorption and activation are facilitated.

An electrosynthetic or electrical energy cell is disclosed that includes a first gas diffusion electrode and a second electrode. A spacer, including but not limited to a porous capillary spacer, is at least partially positioned between the first gas diffusion electrode and the second electrode. In one form, the liquid electrolyte is transferred onto a side surface of the separator beyond the electrode. In one example, a liquid electrolyte reservoir is also provided in which the first gas diffusion electrode, the second electrode, and the spacer are positioned outside the liquid electrolyte reservoir. In one example, a liquid electrolyte reservoir includes an aperture for releasing a liquid electrolyte. In another form, an intermediate liquid supply structure is located at least partially between the spacer and the liquid electrolyte reservoir, where the liquid electrolyte is transferred through the intermediate liquid supply structure. Methods of operation and cell stacks are also disclosed.

The application belongs to the technical field of chemical catalysis, and particularly relates to a preparation method of an alkali metal cation modified cobalt-nitrogen-carbon single-atom catalyst and an application of the catalyst in electro-synthesizing hydrogen peroxide. A cobalt-containing compound is used as a metal source, mixed with a nitrogen-containing organic matter and carbon material, and then subjected to rotary evaporation, grinding, inert atmosphere high-temperature pyrolysis, and finally, surface defect construction through strong acid pickling. Finally, the Co-N-C / X catalyst is obtained through stirring adsorption of an alkali metal salt solution, suction filtration and drying. In the application, the alkali metal cation is physically adsorbed and anchored on the surface interface of the Co-N-C catalyst, rather than being dissolved in the solution, which not only optimizes the electronic structure of the Co active site and the adsorption energy of the OOH intermediate, but also avoids the difficulty in separating the alkali metal from the product. When the catalyst is used in the electro-catalytic oxygen reduction reaction, the selectivity of H2O2 is as high as 98%, and the preparation process is simple, low in cost and scalable, thereby solving the problems of high energy consumption, serious pollution and insufficient selectivity of existing catalysts in the traditional method.

This invention belongs to the field of electrocatalytic materials technology, and relates to a nitrogen-sulfur co-doped mesoporous carbon catalyst, its preparation method, and its application. The catalyst is a nitrogen-sulfur co-doped carbon-based material, obtained by self-assembly and high-temperature carbonization using F127 as a template agent and m-aminothiophenol as a precursor. The catalyst possesses abundant active sites, optimized electronic structure, and mesoporous morphology, exhibiting high activity, high selectivity, and excellent stability in the electrocatalytic oxygen reduction reaction, making it suitable for efficient and environmentally friendly electrosynthesis of hydrogen peroxide.

Disclosed in one example is gas pressure equalisation systems (400-401), and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack (210). The gas pressure equalisation systems (400-401) comprise a first pressure equalisation tank (410) for partially containing a first liquid (470) and a first gas. The first gas is positioned above a liquid first level (471). A first gas conduit (430) is provided for the transfer of the first gas between the cell or cell stack (210) and the first pressure equalisation tank (410). In another example, a second pressure equalisation tank (420) may be additionally provided for partially containing a second liquid (473) and a second gas positioned above a liquid second level (472). A second gas conduit (440) is then provided for the transfer of the second gas between the cell or cell stack (210) and the second pressure equalisation tank (420).

The invention relates to the technical field of catalysts, in particular to a preparation method of an oxygen functionalized cobalt-nitrogen-carbon catalyst and application of the oxygen functionalized cobalt-nitrogen-carbon catalyst in electrosynthesis of hydrogen peroxide, and the preparation method comprises the following preparation steps: S1, dissolving melamine and glucose in deionized water, adding cobalt acetate and a precursor modifier, and stirring to obtain a uniform mixed solution; s2, heating and stirring the mixed solution until moisture is evaporated, drying, adding into a tubular furnace, heating from room temperature to 850-900 DEG C, keeping the temperature for 1-2 hours, and grinding into powder, so as to obtain a modified precursor material; and S3, adding the oxygen-functionalized modified liquid into the modified precursor material, stirring after ultrasonic dispersion, carrying out centrifugal separation, washing to be neutral, and drying to obtain the oxygen-functionalized cobalt-nitrogen-carbon catalyst. Through the synergistic effect of the precursor modifier and the oxygen functionalization modification liquid, the electrocatalytic oxygen reduction reaction activity and the hydrogen peroxide selectivity are improved, and excellent electrochemical stability and structural durability are shown while the high activity is kept.

The application provides a method for efficiently synthesizing formaldehyde by electrocatalysis of carbon monoxide, and the core is: first, a phthalocyanine cobalt molecular material is used as an electrocatalyst for selectively preparing formaldehyde, the material has a clear C1 selective formaldehyde generation path, and can essentially inhibit the undesired C-C coupling of intermediates; second, the reaction is carried out under high carbon monoxide pressure to enhance the competitive adsorption effect of carbon monoxide. The application proposes a carbon monoxide competitive adsorption strategy, which combines the intrinsic substituent regulation of phthalocyanine cobalt molecular materials and external carbon monoxide pressurization to inhibit the over-reduction of formaldehyde, detach the formaldehyde intermediate from the active site, and realize the selective electro-synthesis. The CoPc-OMe MDE optimized by the application realizes 98% CO-to-HCHO selectivity under 90 bar carbon monoxide, the peak Faraday efficiency is 72%, and the formaldehyde partial current density is more than 110 mA·cm ‑2 .

The application provides a preparation method of a high-spin-state cobalt monatomic catalyst and application of the high-spin-state cobalt monatomic catalyst in neutral electro-synthesis of hydrogen peroxide, and belongs to the technical field of electro-catalytic synthesis. A conductive carbon material dispersion liquid is mixed with a binuclear sulfonated cobalt phthalocyanine dispersion liquid, an adsorption reaction is carried out under magnetic stirring, and the obtained mixed liquid is subjected to suction filtration, washing and drying to obtain the high-spin-state cobalt monatomic catalyst, which has the advantages of simple steps and high repeatability. In the application, the binuclear sulfonated cobalt phthalocyanine is loaded on the conductive carbon material to realize construction of a high-spin-state cobalt center, so as to promote activation of O2 and improve reaction kinetics, and the application has excellent catalytic activity, hydrogen peroxide selectivity and stability in the neutral electro-synthesis of hydrogen peroxide. The application can also be used for synthesizing pure hydrogen peroxide solution with a concentration reaching the medical-grade disinfectant water standard, and the voltage of a reaction cell is lower than 2.2 V, so the application has great application potential of low energy consumption and direct synthesis.

The invention discloses a method for synthesizing a pyrazole methylene phenol derivative, which comprises the following steps: by taking p-methylphenol and a derivative thereof as well as pyrazole and a derivative thereof as raw materials, reacting under mild conditions without a metal catalyst and a stoichiometric amount of redox reagent; the corresponding para-substituted phenol derivative is prepared through a one-step electrosynthesis reaction by stirring an easily available electrode under the conditions of room temperature, anhydrous cesium carbonate, an acetonitrile solvent and constant current. The method provided by the invention has the advantages of low price, reaction at room temperature and mild reaction conditions, provides a convenient way for oxidation of p-methylphenol, the obtained p-substituted phenol is a key structure motif of many natural products and drug intermediates, and the method is simple and convenient in synthesis operation, environment-friendly, free of special protection and wide in industrial production prospect.

The application belongs to the technical field of electrocatalytic materials, and particularly relates to a cation exchange type high-entropy layered hydroxide bifunctional electrocatalyst as well as a preparation method and application thereof. The high-entropy layered hydroxide bifunctional electrocatalyst is synthesized through a hydrothermal method and an electric field driven cation exchange strategy, and the obtained catalyst exhibits excellent conversion rate, selectivity and Faraday efficiency in the electrocatalytic oxidation of 5-hydroxymethylfurfural to prepare 2,5-furan dicarboxylic acid, and also exhibits high Faraday efficiency in the electrocatalytic reduction of nitrate to prepare ammonia. An oxidation coupling reduction all-electrolysis system constructed by the catalyst has excellent Faraday efficiency at both poles, and can realize simultaneous and efficient production of biomass value-added at the anode and pollutant resourceization at the cathode. The application provides a new reference approach for precise construction of high-entropy materials and bifunctional electrocatalytic application, and has wide application prospects in the fields of biomass conversion, environmental governance and green electro-synthesis.