45 results about "Alcohol oxidation" patented technology

The invention provides a multi-component platinum-bismuth-based intermetallic ordered nanosheet as well as a preparation method and application thereof, and relates to the technical field of multi-metal alloy catalysts. The multi-component platinum-bismuth-based intermetallic ordered nanosheet provided by the invention comprises a platinum element, a bismuth element and auxiliary metal elements, the auxiliary elements comprise 1-4 of an iridium element, a ruthenium element, an osmium element, a rhodium element, a tin element and a lead element, and the multi-component platinum-bismuth-based intermetallic ordered nanosheet has an intermetallic ordered structure and a two-dimensional nanosheet morphology. The multi-component platinum-bismuth-based intermetallic ordered nanosheet provided by the invention is stable in structure, is applied to a fuel cell as a catalyst, and has excellent electro-catalytic performance, including formic acid oxidation electro-catalytic performance and alcohol oxidation electro-catalytic performance. The invention provides the preparation method of the multi-component platinum-bismuth-based intermetallic ordered nanosheet, the preparation condition is mild, the operation is simple, and the problems of catalyst agglomeration and the like caused by conversion from high-temperature calcination to an ordered phase are effectively avoided.

The invention discloses an Au (at) Pt core-shell structure supported catalyst which comprises a carrier and Au (at) Pt nanoparticles supported on the carrier, the Au (at) Pt nanoparticles are of a core-shell structure, a core layer is Au, a shell layer is Pt, the particle size of the Au (at) Pt nanoparticles is 2-10 nm, the diameter of the core layer is 1-3 nm, and the thickness of the shell layer is 1-7 nm. The invention also discloses a preparation method of the Au (at) Pt core-shell structure supported catalyst and an application of the Au (at) Pt core-shell structure supported catalyst in an alcohol oxidation process. According to the method, the alcohol oxidation catalyst can be prepared only through room-temperature liquid-phase reduction, the process is simple and convenient, the prepared catalyst has a unique core-shell structure and is excellent in catalytic activity and stability, and corresponding carboxylic acid can be obtained through alcohol high-conversion-rate oxidation of a reaction system under the condition that no additional alkali is added.

The invention relates to the technical field of alcoholic strength measurement, and discloses a white spirit alcoholic strength measuring device which comprises a supporting seat, a sealing mechanism is arranged on the supporting seat, a first rotating rod is rotationally connected into the supporting seat, and a first twisting block is fixedly connected to the top of the first rotating rod. A first twisting block drives a first gear to rotate so as to enable the first gear to rotate in a supporting seat, a gear ring drives a second gear and a third gear to rotate, the third gear drives a first rack plate and a fixing plate to move, and along with continuous movement of the fixing plate, the fixing plate drives a rubber pad and a connecting plate to make contact with a protruding position of the edge of a wine jar opening. When the wine jar is used, the supporting seat is fixed on the wine jar opening, and the wine jar is in a sealed state, so that the supporting seat can be fixed on the wine jars with different sizes, the supporting seat can seal the wine jars with different sizes, white wine in the wine jars is prevented from being in contact with oxygen in the air for a long time in the measurement process, and it is ensured that oxidation and deterioration of alcohol cannot be caused.

The present invention relates to the field of photocatalytic alcohol oxidation, and more particularly to a TiO2 / NaBr photocatalytic system for selectively oxidizing primary alcohols to produce acids under mild conditions. The present invention utilizes TiO2 as a primary catalyst and a halide salt as a co-catalyst. In an organic solvent, a primary alcohol raw material is added, and the system is developed in situ under oxygen and blue LED visible light. This photocatalytic system can efficiently complex with primary alcohol compounds. At room temperature, under the pressure of an oxygen balloon, and using ethyl acetate as the reaction solvent, it can oxidize the hydroxyl groups in aromatic and aliphatic primary alcohols to the corresponding acids. This method offers the advantages of good product selectivity, high conversion efficiency, and mild conditions. Furthermore, the catalyst is easily recyclable and the production cost is low. This method is a successful example of the photocatalytic oxidation of the biomass alcohol platform compound n-butanol to n-butyric acid.

Provided are: a new tetrazene compound, a new tetrazene radical salt compound, a new tetrazene-type alcohol oxidation catalyst, and a new tetrazene radical salt-type alcohol oxidation catalyst that are each suitably applicable as an alcohol oxidation catalyst capable of exhibiting a sufficiently high catalytic activity even in oxidation of a secondary alcohol, that are easy to produce, and that are each different from a polycyclic N-oxyl compound; and an alcohol oxidation method using the same. This tetrazene compound has an adamantane backbone represented by chemical formula (1) or a bicyclo backbone represented by chemical formula (2).

The invention discloses a difunctional alcohol dehydrogenase derived from Geobacillus thermodenitrifis, the difunctional alcohol dehydrogenase takes NAD < + > as a cofactor, can specifically catalyze a continuous oxidation reaction of omega-hydroxy fatty acid, and catalyzes the omega-hydroxy fatty acid to synthesize alpha, omega-binary fatty acid through single enzyme catalysis without an aldehyde intermediate. The alcohol dehydrogenase has dual catalytic functions of alcohol oxidation and aldehyde oxidation, the oxidation process from hydroxymethylene to carboxyl can be completed in one step, the reaction steps are simplified, accumulation and separation of intermediate aldehyde are avoided, the conversion efficiency is improved, and the alcohol dehydrogenase is alpha, omega-dibasic fatty acid and is a novel alcohol dehydrogenase. The invention provides a simple and efficient biocatalysis way for biosynthesis of dodecanedioic acid, especially dodecanedioic acid, and has important industrial application value.

The invention relates to the field of electrocatalytic materials, in particular to an anion modified NiCo hydroxide electrocatalytic material and application thereof. The NiCo hydroxide modified by phosphate radicals and other anions is synthesized through a two-step hydrothermal method, and the performance of the NiCo hydroxide for preparing amide through electro-catalysis ethanolamine oxidative coupling is studied. Taking the NiCo hydroxide modified by phosphate as an example, under the optimal condition, the productivity and Faraday efficiency of acetamide achieved by the NiCoPO catalyst reach the maximum value and are superior to those reported at present. It is found that the catalytic activity and stability of the catalyst can be remarkably improved through introduction of anions, and the yield and Faraday efficiency of acetamide in five cycles are kept relatively stable. Meanwhile, NiCoPO can efficiently catalyze oxidative coupling of other long-chain alcohols and aromatic ring alcohols with ammonia. The invention provides a new thought and method for developing an efficient and stable electrocatalyst, and also provides powerful support for industrial application of alcohol oxidative coupling preparation of organic compounds such as amide and the like.

This invention discloses a cobalt zeolite catalyst, its preparation method, and its application in the oxidation reactions of benzylamine, alcohols, and anisole sulfides, specifically relating to alcohol oxidation, amine oxidative coupling, and sulfide oxidation reactions. This invention further expands the application scope of cobalt zeolite catalysts, clarifying their suitability for the oxidation reactions of alcohols, amines, and sulfides. The catalyst is prepared via in-situ hydrothermal synthesis, and its catalytic performance can be optimized by precisely controlling pore size, cobalt species dispersion, and their existing forms. Under oxygen or air atmospheres, this catalyst can efficiently achieve highly selective oxidation of benzyl alcohols, while simultaneously promoting the oxidative coupling reactions of benzylamines and the selective oxidation reactions of sulfides. The cobalt zeolite catalyst provided by this invention has clearly defined application scenarios, mild reaction conditions, and demonstrates significant industrial application potential, providing important theoretical reference and practical direction for catalyst development in the field of green organic synthesis.

The invention provides a flowing membrane electrode for electrolytic hydrogen production coupled alcohol oxidation and an electrolytic hydrogen production coupled alcohol oxidation method. The flowing membrane electrode comprises an anode, an electrochemical diaphragm and a cathode; the anode and the cathode are arranged on the two sides of the electrochemical diaphragm respectively and are attached to the electrochemical diaphragm to form a sandwich structure; the thickness of the electrochemical diaphragm is 200 to 500 [mu] m; the anode and the cathode are respectively prepared by immobilizing a catalytic material in a conductive substrate; the conductive substrate has a porous structure, and the pore diameter of the porous structure is 100-500 [mu] m. By adopting an alcohol fed-batch feeding mode, through optimizing the alcohol concentration in a reaction fluid and combining with a porous structure flowing membrane electrode, relatively high selectivity of organic acid, Faraday current efficiency of an anode and hydrogen yield are realized in a long-term continuous electrolytic hydrogen production coupling alcohol oxidation reaction; the problems of low reaction rate and low accumulation amount of organic acid products are solved.

The invention discloses Pd-coated UIO66-NH2-coated COF Pickering emulsion based on a core-shell structure as well as a preparation method and application of the Pd-coated UIO66-NH2-coated COF Pickering emulsion, and belongs to the field of catalytic synthesis. The Pickering emulsion with stable Pd-coated UIO66-NH2-coated COF is formed by adopting Pd-coated UIO66-NH2-coated COF as an emulsifier and toluene and water as solvents at the same time. The Pickering emulsion with stable Pd and UIO66-NH2 and COF, provided by the invention, is simple in preparation method, and shows relatively high catalytic capability and stability in an alcohol oxidation-Knoevenagel cascade reaction.

Disclosed in the present invention is a supported catalyst having an Au@Pt core-shell structure, which catalyst comprises a carrier and Au@Pt nanoparticles loaded on the carrier, wherein each Au@Pt nanoparticle is of a core-shell structure, the core layer thereof is Au, the shell layer thereof is Pt, the particle size thereof is 2-10 nm, the diameter of the core layer is 1-3 nm, and the thickness of the shell layer is 1-7 nm. Further disclosed in the present invention are a preparation method for the supported catalyst having an Au@Pt core-shell structure and the use thereof in the oxidation process of alcohols. In the method of the present invention, an alcohol oxidation catalyst can be prepared simply by means of liquid-phase reduction at room temperature, the process is simple and convenient, and the prepared catalyst has a unique core-shell structure and good catalytic activity and stability, and enables a reaction system to achieve, without an extra alkali, the oxidation of alcohols at a high conversion rate so as to obtain corresponding carboxylic acids.

The application provides a multi-component platinum-bismuth-based intermetallic ordered nanosheet and a preparation method and application thereof, and relates to the technical field of multi-metal alloy catalysts.The multi-component platinum-bismuth-based intermetallic ordered nanosheet provided by the application comprises platinum elements, bismuth elements and auxiliary metal elements, the auxiliary elements comprise 1-4 kinds of iridium elements, ruthenium elements, osmium elements, rhodium elements, tin elements and lead elements, and the multi-component platinum-bismuth-based intermetallic ordered nanosheet has an intermetallic ordered structure and a two-dimensional nanosheet morphology.The multi-component platinum-bismuth-based intermetallic ordered nanosheet provided by the application is structurally stable, is applied to a fuel cell as a catalyst, and has excellent electrocatalytic performance, including formic acid oxidation electrocatalytic performance and alcohol oxidation electrocatalytic performance.The application provides a preparation method of the multi-component platinum-bismuth-based intermetallic ordered nanosheet, the preparation conditions are mild and simple to operate, and problems such as catalyst agglomeration caused by high-temperature calcination to transform an ordered phase are effectively avoided.

The present disclosure relates to a method for preparing acid by oxidation of alcohol and aldehyde, comprising: contacting alcohol reactant and aldehyde reactant with a catalyst to perform oxidation reaction in the presence of oxygen; the catalyst is a composite catalytic material, which comprises a framework heteroatom molecular sieve and a metal element M dispersed in the intracrystalline of the molecular sieve, the framework heteroatom molecular sieve is a molecular sieve in which at least part of silicon in a full-silicon molecular sieve framework is replaced by a heteroatom element Q, and the heteroatom element Q is one or more selected from titanium, boron, zirconium, tin, aluminum, phosphorus and germanium. The aldehyde co-oxidation reaction and the alcohol oxidation reaction can be coupled together to prepare acid under the conditions of oxygen oxidation and composite catalytic material catalysis, high conversion rate and acid selectivity are obtained, and the method has high industrial application value.

The invention provides a selective oxidation catalyst as well as a preparation method and application thereof. The main components of the catalyst are iron and molybdenum, potassium ferricyanide is added in the preparation process for modification, the structure of the catalyst is improved, the binding force between the components is enhanced, and therefore the stability and selectivity of the catalyst are improved. The catalyst prepared by the method can improve the strength of the catalyst after reaction, improve the binding force between active components and prolong the service life of the catalyst, and can be applied to preparation of aldehyde by alcohol oxidation.

The invention belongs to the technical field of electrochemical new energy conversion, and particularly relates to a preparation process of a nitrogen-doped carbon nanotube-based electrode material and high-efficiency conversion application of biomass alcohols of the nitrogen-doped carbon nanotube-based electrode material. The nitrogen doping controllable adjustment of NH2-CNT is realized by adopting a grinding and program temperature control annealing process, then the dispersion liquid is prepared, the dispersion liquid is loaded on carbon paper in a spraying and infrared lamp irradiation drying manner to prepare the electrode, and the electrode is applied to an electro-catalysis biomass alcohol oxidation system for the first time. The nitrogen-doped aminated multi-walled carbon nanotubes can realize excellent catalytic activity and biomass alcohol oxidation capacity, which are higher than those of commercial platinum-carbon and nitrogen-doped CNTs materials. The initial potential of the reaction is as low as 1.1 V vs.RHE, and the oxidation current can reach 80 mA / cm < 2 > under the potential of 1.6 V vs.RHE. The preparation process is simple, the production cost is low, industrial large-scale production is easy, and the method has wide application prospects in the fields of energy, environmental protection, electro-catalysis and the like.

The invention belongs to the field of alcohol catalytic oxidation, and particularly relates to a multi-component alloy alcohol oxidation electrode, preparation and application of the multi-component alloy alcohol oxidation electrode in an alcohol fuel cell, and the preparation method of the electrode comprises the following steps: depositing an M1-M2-M3-LDH material on a carbon-based carrier, and then performing reduction treatment to prepare an M1-M2-M3-multi-component alloy carbon-based carrier; and preparing a precursor electrode by taking the M1-M2-M3-multicomponent alloy and carbon-based carrier as an active material, and carrying out CV electrochemical etching in an acidic electrolyte by taking the precursor electrode as a working electrode to prepare the multicomponent alloy alcohol oxidation electrode, wherein M1 comprises at least one noble metal of Pt, Au, Ag, Pd and Ir; m2 comprises at least one divalent metal of Co, Ni, Cu, Zn and Mn; m3 comprises at least one trivalent metal of Ga, In, Bi, Sb and Fe; the molar weight ratio of M1 to M2 to M3 is 1: (1-8): (1-6); the number of CV circulation circles of the CV electrochemical etching is 10 to 100. The material provided by the invention can effectively resist the problem of CO poisoning, and can significantly improve the alcohol catalytic oxidation effect.

The invention discloses an alcohol oxidation catalytic system based on combination of copper salt and bifunctional ligand, which is prepared by the following steps: firstly, preparing N-containing organic molecules formed by combining N, N, N-trimethyl ethylenediamine with pyridine, thiophene or benzene through amine-aldehyde condensation reaction and sodium borohydride reduction reaction; then synthesizing a bifunctional ligand containing TEMPO and the N-containing organic molecule through nucleophilic substitution reaction, and combining the bifunctional ligand with copper salt to form a catalytic system. The method is high in reaction yield and wide in substrate range, more importantly, the reaction time is short, the reaction conditions are mild, only 2 mol% of catalyst is used, the TOF can reach 50 h <-1 > at most, and the method has good application prospects.

The invention discloses a preparation method of a CeO2-loaded Pd-based alloy heterogeneous nanowire, PdAgPb / CeO2 NWs is synthesized by adopting a simple hydrothermal method, a metal oxide cerium oxide is introduced to be rich in oxygen vacancy, and based on many advantages of a traditional one-dimensional precious metal nanowire, an interface with a unique nanostructure is constructed by precious metal Pd in combination with a PdAgPb alloy; the PdAgPb / CeO2 NWs as an enhanced electrocatalyst has good catalytic activity and selectivity in an alkaline environment, can oxidize cheap ethylene glycol into glycollic acid, and has a great practical value; when EGOR electro-catalysis is carried out, the catalyst with the optimal element composition and interface distribution shows remarkably improved activity (7.6 A mgPd <-1 >) and excellent glycollic acid selectivity (Faraday efficiency is 89%), and the excellent performance of the catalyst depends on complex and rich electron transfer, an inter-atomic synergistic effect and a necessary interface effect. Therefore, the realization of high performance and accurate oxidation path adjustment of the PdAgPb / CeO2 NWs in the field of alcohol oxidation is facilitated.

The invention relates to the field of preparation of an electro-catalytic methanol oxidation catalyst, and discloses a catalytic material as well as a preparation method and application thereof. The catalytic material comprises a carbon nanotube and ternary nanoparticles loaded on the carbon nanotube, wherein the ternary nanoparticles contain an Ni element, an Se element and a Pt element; wherein the mass ratio of the Ni element to the Se element to the Pt element is (0.1-10): (0.1-10): 1. The catalytic material disclosed by the invention is applied to an anode catalyst for electro-catalysis alcohol oxidation, especially to an anode catalyst for electro-catalysis methanol oxidation, and shows relatively good electrochemical performance.

A heterogeneous catalyst for alcohol oxidation reaction of an anode reaction in direct alcohol fuel cells is provided. The catalyst includes at least one Pt-based nanoisland deposited on an Au nanorod by using a synthesis process to form 4H / face-centered cubic (fcc) heterophase. The synthesis process include steps as follows: mixing a material A selected from platinum(II) bis(acetylacetonate), vanadium(III) acetylacetonate, and titanium oxide acetylacetonate with a solvent B selected from oleylamine and 1-octadecene to form a first mixture; adding a dispersion of C 4H / fcc Au nanorods into the first mixture to form a second mixture, in which ratio of A to B is in a range from 0.5 to 2, and a ratio of A to C is in a range from 2 to 6; heating the second mixture; and recovering a 4H / fcc Pt-based heterostructure with Au from the second mixture.

The invention belongs to the technical field of hydrogen production through methanol electrolysis, and provides a preparation method of a RuSe2-Pt bifunctional catalyst. According to the preparation method, RuSe2 is grown on the carbon with the high specific surface area, so that the growth area is provided for ruthenium selenide, and meanwhile, the carbon with the high specific surface area can enhance the conductivity of the RuSe2-Pt bifunctional catalyst; then RuSe2 growing on carbon with a high specific surface area is used as a Pt carrier to provide a seed site so as to facilitate Pt loading, meanwhile, RuSe2 with an oxyphilic characteristic is used as a carrier to provide an oxygen-containing substance at a low potential through a ligand effect, the adsorption capacity of CO generated in an alcohol oxidation reaction process is reduced through downward movement of a d-band center, the utilization rate of Pt is increased, and the catalytic activity of the catalyst is improved. Further, the catalytic performance of the RuSe2-Pt bifunctional catalyst is enhanced; moreover, through the synergistic effect and electronic interaction of RuSe2 and Pt, the density of electrons around Pt nano-particles can be regulated and controlled, and the electro-catalytic performance is improved.

The present application relates to a kind of molybdenum-containing catalyst composition, by adjusting the composition structure and loading mode of catalyst, thereby improving the heat transfer performance and physical strength of catalyst, adding polyethylene glycol during the preparation of catalyst to modify, so that the structure of the prepared catalyst is more fastened, the life of catalyst is extended.The catalyst prepared by the method can be applied to the industrial device for preparing aldehyde by alcohol oxidation, such as preparing formaldehyde by methanol oxidation, etc.

The invention discloses a synthesis method of a compound with a cephalotaxine tetracyclic skeleton, and belongs to the technical field of organic synthesis. According to the method, a compound shown in a formula (4) is obtained by taking a formula (1) with a cephalotaxine tetracyclic skeleton as a starting raw material through three-step conversion of carbonyl enol methylation, allylic oxidation and alcohol oxidation, so that efficient conversion of a cephalotaxine D-ring functional group is realized. The method is simple to operate, the used reagents are cheap and easy to obtain, the total yield of three steps can reach 34%, and large-scale production is facilitated.

The invention relates to the technical field of catalysis, and discloses a supported metal-based catalyst as well as a preparation method and application thereof. The supported metal-based catalyst comprises a carrier and active components, the carrier comprises nitrogen-doped carbon black, and the active components comprise Pd nanoparticles and bismuthyl carbonate; the supported metal-based catalyst contains oxygen vacancies. According to the supported metal-based catalyst, the catalytic activity of the Pd center is enhanced through the synergistic effect of Pd and bismuthyl carbonate, the catalytic efficiency is guaranteed in the alcohol oxidation esterification reaction, meanwhile, the dosage of the catalyst is reduced, and the cost is reduced.

The present application relates to a kind of catalyst for preparing aldehyde by oxidation method and its application, the catalyst is prepared by coprecipitation method, add trimethylol ethane and macromolecular polymer polyphenyl diamide during preparation process and modify, improve catalyst structure, enhance the binding force between components, so as to improve the stability and selectivity of catalyst.The catalyst prepared by the method can be applied to alcohol oxidation to prepare aldehyde industrial device, such as methanol oxidation to prepare formaldehyde, etc.

The invention discloses a bimetallic-doped metal organic framework material Pd-Cu-coated UiO-66-NH2, a Pickering emulsion based on the bimetallic-doped metal organic framework material Pd-Cu-coated UiO-66-NH2 and application of the Pickering emulsion, and belongs to the technical field of catalysts. The preparation method comprises the following steps: dissolving UiO-66-NH2 and Cu (NO3) 2.3 H2O in deionized water, and mixing and stirring to obtain Cu-coated UiO-66-NH2; the preparation method comprises the following steps: dissolving Cu-coated UiO-66-NH2 and Na2PdCl4 in deionized water, mixing and stirring, and then adding sodium borohydride for reduction, so as to obtain Pd-Cu-coated UiO-66-NH2. According to the invention, Pd-Cu-coated UiO-66-NH2 is used as an emulsifier, and toluene and water are used as solvents, so that the Pickering emulsion with stable Pd-Cu-coated UiO-66-NH2 is formed. The preparation method of the Pickering emulsion with stable Pd-Cu-coated UiO-66-NH2 is simple, and the Pickering emulsion shows relatively high catalytic capability and stability in an alcohol oxidation reaction.

The invention discloses a method for preparing 19-formyl-4-androstene-3,17-dione by electrocatalytic oxidation of a carbonaceous volcano-shaped catalyst. The method adopts a continuous flow type electrolyzer for reaction, wherein the carbonaceous volcano-shaped catalyst is used as a working electrode in the anode chamber, 19-hydroxymethyl-4-androstene-3,17-dione is dissolved in an organic alkaline solution as an anode solution, and nitroxide free radicals are added as a medium; in the cathode chamber, nickel foam is used as a counter electrode, and an alkaline solution is used as a cathode solution, and 19-formyl-4-androstene-3,17-dione is obtained by reaction under one condition. The present invention uses ACT as a medium for electrocatalytic alcohol oxidation reaction, avoids the use of heavy metals such as manganese and chromium, and the process is green, environmentally friendly, simple and efficient; the crater-shaped catalyst used has a large specific surface area, can anchor ACT on the electrode surface, and activate free radicals faster to reduce concentration polarization, improve mass transfer efficiency and catalytic activity, thereby improving reaction efficiency, and has a short production cycle and high time-space yield.

This invention belongs to the interdisciplinary field of resource recovery from spent lithium-ion batteries and electrocatalytic energy conversion technology, and discloses a method for preparing an alcohol oxidation-coupled hydrogen production catalyst using spent ternary cathode materials. This method employs a synergistic strategy of electric field-driven delithiation and in-situ modification with iron hydroxide: first, the spent cathode material is pretreated, and then delithiation is performed via an electric field to convert it into a Ni-Co-Mn transition metal composite oxide, simultaneously recovering lithium carbonate; then, the transition metal composite oxide is mixed with iron salt, and after ultrasonic reaction, FeOOH grows in situ on the surface of the transition metal composite oxide and is loaded onto a nickel foam substrate to form a composite catalyst. The transition metal and FeOOH exhibit a significant synergistic catalytic effect, greatly enhancing the alcohol oxidation-coupled hydrogen production reaction, reducing the total electrolytic potential of water electrolysis, and improving hydrogen production efficiency. This invention features a simple process, mild reaction conditions, and combines the advantages of high-value resource recovery with low-energy hydrogen production.

The application discloses a synthesis method of a novel nickel-based metal organic framework material and application to methanol and ethanol oxidation. The application selects organic ligands 9,10-anthracene diacid, 2,4,6-tris(4-pyridyl)-1,3,5-triazine, nickel nitrate, and a mixed solution of a solvent system composed of deionized water, N, N-dimethylacetamide and 37% mass concentration HBF4, and obtains a porous metal organic framework material through a hydrothermal method, and the synthesized material is assembled into a three-electrode system to test electrocatalytic methanol and ethanol oxidation. The application has the advantages that the metal organic framework material has simple preparation process, high crystal purity, high yield and novel structure. The experimental test data analysis shows that the Ni-MOF material has superior electrocatalytic methanol and ethanol oxidation activity. After being compounded with acetylene black (AB), the composite material AB&Ni-MOF (1:1) has superior methanol and ethanol electro-sensing activity.

This invention relates to a membrane-free process for the co-production of formate via carbon dioxide electroreduction coupled with alcohol oxidation, belonging to the field of electrocatalysis. Based on the coupling of cathode carbon dioxide electroreduction and anodic small-molecule alcohol oxidation, this invention establishes a novel ion-exchange membrane-free process for the co-production of formate at both cathode and anode. Compared to traditional carbon dioxide electroreduction processes, this invention fundamentally eliminates the mass transfer resistance of ions at the exchange membrane, avoiding secondary carbon emissions during CO2 electroreduction. Simultaneously, the co-production of formate at both cathode and anode simplifies the product separation process and reduces separation costs from a product engineering perspective. By avoiding the use of expensive and periodically replaceable ion exchange membranes, the process operating costs are reduced, while the equipment's operating cycle is extended. The proposed replacement of the OER reaction with small-molecule alcohol oxidation significantly reduces process energy consumption and yields formate products with a much higher added value than oxygen, providing a novel approach for the industrial application of carbon dioxide electroreduction.