181 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 discloses an electro-synthesis method of alpha-aminomethyl tetrazole, which comprises the following steps: by taking a platinum sheet as a cathode, a carbon rod as an anode and tetrabutylammonium tetrafluoroborate as an electrolyte under the catalysis of constant current, coupling tertiary amine, isonitrile and azido trimethylsilane by a one-pot method to prepare an alpha-aminomethyl tetrazole derivative, and carrying out post-treatment on the obtained reaction mixed solution, and carrying out column chromatography separation to obtain a pure alpha-aminomethyl tetrazole product. The alpha-aminomethyl tetrazole can be obtained only through one-step reaction, the operation steps are few, a large number of oxidizing agents and additives are not used, the post-treatment process is simple, and the product is easy to separate.

The invention relates to the technical field of electrochemistry, in particular to a foam titanium-based iodine iron double-monatomic electrode, preparation thereof and application of the foam titanium-based iodine iron double-monatomic electrode in preparation of singlet oxygen. The configuration of the foamed titanium-based iodine-iron double-monatomic electrode provided by the invention has a double-monatomic synergistic effect, iodine monatomic can be utilized to dissociate water molecules to release atomic hydrogen, and the atomic hydrogen is used for reducing and activating oxygen adsorbed by iron sites, so that active sites are fully utilized, the atom utilization efficiency and reaction activity are improved, and competitive side reactions are reduced; according to the foamed titanium-based iodine iron double-monatomic electrode material, the singlet oxygen electrosynthesis rate is remarkably increased, the use scene of singlet oxygen in-situ utilization is expanded, and the foamed titanium-based iodine iron double-monatomic electrode material has excellent performance in the fields of degradation of aromatic organic pollutants in water, removal of antibiotic resistance genes, purification of pollutants such as pathogenic viruses in air and the like.

The invention relates to the technical field of degradation-resistant organic wastewater treatment, in particular to a cathode and anode type electro-Fenton coupling wastewater treatment device and method.The cathode and anode type electro-Fenton coupling wastewater treatment method comprises the steps that a titanium electrode or a BDD electrode is adopted in an anode module, 0.05-0.5 mol / L sulfate radical serves as electrolyte, and persulfate is electrically synthesized in situ; a cathode module is a porous carbon electrode, and # imgabs0 # is generated through aeration at the speed of 0.5 L / min to 2 L / min; the space between the cathode modules is filled with three-dimensional invasive plant source biochar catalytic particle electrodes, the H-type double-chamber electrolytic tank separates a cathode chamber and an anode chamber through a proton membrane, and the method comprises an intermittent type (firstly adsorbing trace pollutants and then oxidizing, and biochar is renewable) and a continuous type (synchronously adsorbing and degrading high-concentration wastewater, and pretreating to improve biodegradability). The device realizes the cooperation of adsorption and electrocatalytic oxidation, efficiently treats refractory wastewater, promotes the recycling of invasive plants, and has both environmental protection and economic values.

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 present invention belongs to the field of organic electrosynthesis and relates to a method for electrochemically synthesizing a pyridine-fused polycyclic nitrogen heteroaromatic compound. A 2-[2-phenylethynylamine]-1,4-naphthoquinone analogue, a quaternary ammonium salt and a Lewis acid are dissolved in an organic solvent to obtain a mixed solution; an electrode is inserted into the mixed solution, a constant current is connected in an inert gas atmosphere system, and an electric reaction is carried out with stirring to obtain a pyridine-fused polycyclic nitrogen heteroaromatic compound. The present invention adopts an electrochemical synthesis method, which significantly improves the reaction efficiency. The synthesis method of the present invention does not require an oxidant or a metal catalyst, is simple to operate, and is green and efficient. The pyridine-fused polycyclic nitrogen heteroaromatic compound prepared by the present invention has the characteristics of high biological activity and is widely applicable to the fields of medicine and functional materials. The pyridine-fused polycyclic nitrogen heteroaromatic compound prepared by the present invention can be used as a standard.

The invention relates to a preparation method of a novel series heterojunction electrocatalyst for urea synthesis, and belongs to the technical field of production of high value-added chemicals and catalysts. The novel bimetallic oxide series electrocatalyst (CuO / Co3O4) is prepared by taking ZIF-67 as a precursor and combining an ion exchange method with a low-temperature pyrolysis method, and green and energy-saving urea electrosynthesis can be realized through co-reduction of electrocatalytic CO2 and NO3 <->. The CuO / Co3O4 series electrocatalyst is prepared into a cathode, and under the action of specific additional bias voltage, the yield of urea electrocatalytically synthesized by the catalyst within 30 min reaches 14 mmol gcat <-1 > h <-1 >, and the highest Faraday efficiency reaches 61.1%; the stable urea yield, Faraday efficiency and current response can still be kept after six times of cyclic utilization, and a green synthesis route and a sustainable technology are provided for urea electrosynthesis. The method has the characteristics of simplicity, high efficiency and low cost, and can be applied to electro-catalytic synthesis of urea.

The invention belongs to the technical field of electro-catalytic synthesis, and provides a hydrophobic electrode with an asymmetric structure, a preparation method of the hydrophobic electrode, and a system and a method for electro-synthesizing H2O2. The hydrophobic electrode with the asymmetric structure comprises a hydrophobic modified porous conductive supporting layer and a catalyst permeating one side of the hydrophobic modified porous conductive supporting layer, the catalyst comprises one or more of carbon black, graphene, carbon nanotubes and zinc oxide; the permeation thickness of the catalyst is smaller than the thickness of the hydrophobic modified porous conductive support layer; one side permeated with the catalyst is a catalyst layer; and one side which is not permeated with the catalyst is a gas storage layer. The hydrophobic electrode with the asymmetric structure can realize efficient and uniform supply of gas (oxygen), can maintain an electrode with stable interface hydrophobicity for a long time and a corresponding system, and has important significance for promoting the practicability of a 2e-ORR electrosynthesis H2O2 technology.

The invention provides a synthesis method of a hydrogen-bond organic framework film material, namely an electric synthesis method capable of continuously preparing the hydrogen-bond organic framework film material, which comprises the following steps: (1) adding an organic ligand into a poor solvent or a mixed solvent formed by the poor solvent and a good solvent, and then adding alkali to clarify the solution; and (2) applying direct current to the prepared solution by taking a conductive substrate as a cathode and an anode, and collecting a product deposited on the conductive substrate after electrifying for a period of time, so as to obtain the hydrogen bond organic framework film material corresponding to the ligand. The method is simple and rapid, the compact HOF thin film can be rapidly deposited on the conductive substrate, and high-efficiency and continuous synthesis can be achieved. The synthesized HOF film material can be used in the field of electrochromism.

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 present invention relates to a method for preparing a structurally discontinuous air self-priming electrode with surface microcracks that resist electrowetting. A carbon black-polytetrafluoroethylene film prepared by coating forms a large number of irregular microcracks during the calcination process, thereby causing structural discontinuity. This structurally discontinuous air self-priming electrode can effectively avoid the electrowetting effect and the resulting electrolyte flooding during electrocatalytic service, maintain stable local water resistance and air self-diffusion channels, and achieve efficient and long-lasting electrochemical synthesis of H2O2. Due to the steric effect, the discontinuity of the electrode structure prevents electric field lines from reaching, resulting in a local low electric field region at the crack. This achieves the electrode's anti-electrowetting ability during long-cycle electrolysis, achieves stable hydrophobicity and rapid oxygen transmission channels under the electric field, and greatly improves the yield, current efficiency, and long-term stability of H2O2 electrosynthesis in air.

The invention discloses a hydrogen-embedded tungsten bronze type tungsten-based catalyst as well as a preparation method and application thereof, and belongs to the technical field of electro-catalysis. According to the preparation method, sodium tungstate dihydrate, anhydrous sodium sulfate, citric acid and glucose are taken as raw materials, WO3 with different crystal phases is prepared by adopting a hydrothermal method and an annealing and calcining method respectively, the WO3 is prepared into catalyst slurry, and the catalyst slurry is uniformly coated on a gas diffusion layer carbon paper substrate, so that the hydrogen-embedded tungsten bronze type tungsten-based catalyst is prepared; according to the invention, different crystal phases of WO3 are prepared into electrodes as reduction ends, so that WO3 can form tungsten bronze through embedding H < + > in the reaction process, and finally the hydrogen-embedded tungsten bronze type tungsten-based catalyst is formed, and high current density and high Faraday efficiency of the catalyst can realize efficient one-step electro-catalysis of coupling of nitrate and cyclohexanone to synthesize cyclohexanone-oxime. The practical application requirements of the electric synthesis of the cyclohexanone oxime are met.

The invention provides a self-breathing anti-scaling cathode, a preparation method, an electrolytic bath and application of the electrolytic bath, and belongs to the technical field of electrochemical electrodes. The preparation method comprises the following steps: mixing a carbon substrate and a catalyst precursor solution, and carrying out first calcination on the mixed solution under a protective atmosphere to obtain an anti-scaling cathode; and the anti-scaling cathode is sprayed with a water repellent agent and then subjected to second calcination in an oxygen-containing atmosphere, and the self-breathing type anti-scaling cathode is obtained. On one hand, the oxygen mass transfer efficiency is improved through the self-breathing anti-scaling cathode, deposition of divalent ions such as Ca < 2 + > and Mg < 2 + > is inhibited, the generation capacity of hydrogen peroxide is remarkably enhanced, and the long-term operation stability is improved; on the other hand, a spatial hydrophobic microenvironment is provided, and the yield of H2O2 is increased under the condition that external air ventilation is not needed; meanwhile, due to the design of the hydrophobic anode, decomposition of H2O2 at the anode is reduced, and efficient and stable electrosynthesis of H2O2 for pollutant degradation is realized.

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 relates to an electrochemical reactor (1), in particular a redox flow cell, a fuel cell, an electrolytic cell or an electrosynthesis cell, comprising a stack (Z) consisting of a plurality of cells (2) which are separated from each other by at least one bipolar plate (3) and are stacked in a stacking direction (R), wherein the cells (2) each have two electrodes (5, 6) and a separator (10) arranged between the two electrodes (5, 6), and wherein the at least one bipolar plate (3) is flexible. In order to be able to increase mass transfer and material distribution with low construction and equipment investment and low material load, an oscillator (13) which excites at least one bipolar plate (3) to generate oscillations is integrated in the bipolar plate (3).

The invention discloses a carbon nano bowl-shaped catalyst, a preparation method and application of the carbon nano bowl-shaped catalyst in paired electric synthesis of cinnamyl aldehyde and 3-phenylpropanol from cinnamyl alcohol, the catalyst comprises a carbon nano bowl-loaded nickel catalyst and a carbon nano bowl-loaded palladium catalyst, and a flowing diaphragm type electrolytic cell is adopted for reaction, taking a carbon nano bowl loaded nickel catalyst as an anode chamber electrode, and dissolving cinnamyl alcohol in an alkaline solution to serve as anolyte; the method comprises the following steps: by taking cinnamyl alcohol as a raw material, taking a carbon nano bowl loaded palladium catalyst as a cathode chamber electrode, dissolving cinnamyl alcohol in an acid solution as a cathode solution, carrying out paired electrosynthesis reaction at the temperature of 15-60 DEG C, the current density of 50-150mA / cm < 2 > and the cell voltage of 1-8V for 0.3-3.0 hours, and after the reaction is finished, carrying out post-treatment to obtain cinnamyl aldehyde and 3-phenylpropanol. The paired electrosynthesis process is mild in condition, high in raw material conversion rate and good in selectivity, compared with a commonly-adopted noble metal catalyst and a single-groove synthesis technology, the used carbon nano bowl-shaped catalyst is low in cost, and the paired electrosynthesis technology is high in energy utilization rate.

The present invention discloses a method for preparing a hydroxyketone compound based on electrosynthesis and the hydroxyketone compound prepared therefrom, and belongs to the technical field of preparation of hydroxyketone compounds. The method for preparing a hydroxyketone compound based on electrosynthesis comprises the following steps: in a protective atmosphere, in an organic solvent, using an epoxy compound shown in Formula 1, an aryl iodide shown in Formula 2, and a carbon monoxide source as reaction raw materials, and under electrochemical conditions, in the presence of a promoter and a metal catalyst, an electroreduction carbonylation reaction occurs to obtain a hydroxyketone compound as shown in Formula 3; and the reaction process is shown in Reaction Formula (1). According to the method of the present invention, the use of metal powder as a reducing agent is avoided, the operation method is simple, and the safety is good.

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 invention discloses a deuterated acetic acid and deuterated acetyl compound high-efficiency electrosynthesis method taking D2O as a deuterium source, and the deuterated acetic acid high-efficiency electrosynthesis method comprises the following steps: in a standard three-electrode double-chamber electrolysis system, taking deuterium water as the deuterium source, adding an electrolyte and a surfactant, and reducing trichloroacetic acid through a constant current electrolysis method to obtain deuterated acetic acid; wherein the monometal electrode for in-situ growth of the nanorod is a working electrode in the standard three electrodes. The method is high in conversion rate and selectivity, is an efficient synthesis method, takes cheap deuterium water as a deuterium source, is mild in reaction condition, does not need high temperature and high pressure, is simple to operate, is easy to separate a product, and can be used repeatedly, and a green, safe and efficient method is provided for synthesis of deuterated acetyl drugs.

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 invention relates to the technical field of organic electrosynthesis, in particular to a non-noble metal substrate graphite electrode suitable for organic electrosynthesis and a preparation method of the non-noble metal substrate graphite electrode, and the preparation method comprises the steps of substrate layer pretreatment, runner forming, transition coating deposition, functional coating deposition and post-treatment optimization. Nickel, iron, titanium and alloys thereof are selected as base layer materials, and roughening treatment, a diamond-like carbon transition layer and a boron-doped graphite functional coating are combined, so that the mass transfer efficiency and the interface bonding strength of the electrode are remarkably improved. The runner design is optimized, so that the diffusion coefficient of reactants is increased by 30%-50%, the voltage of an electrolytic bath is smaller than or equal to 3.0 V, the current efficiency is larger than or equal to 95%, the service life of an electrode is larger than or equal to 500 hours, and the cost is only 1%-5% of that of a precious metal electrode. The method is suitable for the zero-polar-distance electrolytic cell, and mass transfer requirements of different systems are met.