42results about How to "Enable mass manufacturing" patented technology

The utility model relates to a negative pole piece capable of improving charging capability, which comprises a current collector and a negative pole piece prepared by drying an active material layer coated on the current collector, a plurality of parallel laser etching grooves are arranged on the active material layer through laser etching lines, the distance between the laser etching grooves is 0.5 mm-5 mm, and the distance between the laser etching grooves is 0.5 mm-5 mm. The depth of the laser etching groove is 2%-10% of the thickness of the active material layer, and the width of the laser etching groove is 4-10 times of the depth of the laser etching groove. And preparing the lithium ion battery by adopting the negative plate for improving the charging capability. According to the lithium ion battery, the negative pole piece is modified macroscopically, so that the liquid retention capacity of the battery can be effectively improved while the thickness of the battery cell is not influenced, and the charging capacity of the lithium ion battery under normal-temperature and low-temperature conditions is improved. The lithium ion battery prepared from the negative pole piece shows more excellent low-temperature cycle performance, and lithium is not separated out when the lithium ion battery is subjected to low-temperature cycle at a high charging rate.

The invention discloses a multi-metal borate nano-particle as well as a preparation method and application thereof. The preparation method comprises the following steps: in the presence of small molecules with alkyl chains, performing high-temperature thermal decomposition on an organic metal compound or a metal salt compound precursor and organic borate in a solvent, and then centrifuging, modifying, performing ultrafiltration, dialyzing and purifying to obtain the multi-metal borate nanoparticles. The preparation method disclosed by the invention has the characteristics of mildness, high efficiency and strong controllability. The multi-metal borate nanoparticles prepared by the preparation method disclosed by the invention have the advantages of monodisperse size, relatively high magnetic property and good biocompatibility. Therefore, the prepared multi-metal borate nanoparticles not only have multi-modal imaging functions such as magnetic resonance imaging, near-infrared two-region imaging, nuclear medicine imaging and magnetic particle imaging, but also can be used for various treatment means such as magnetocaloric therapy and boron neutron capture therapy; potential advantages are realized in biomedical applications such as magnetic targeting tumor treatment and imaging contrast agents, and high practical values are realized.

The invention discloses a preparation method of magnesium acetyltaurate and application of the magnesium acetyltaurate in preparation of hypoglycemic drugs or health care products, research finds that magnesium acetyltaurate has an obvious hypoglycemic effect, and results of repeated verification of mouse sugar tolerance animal experiments of single-time administration and multiple-time administration of magnesium acetyltaurate prove that the magnesium acetyltaurate has the obvious hypoglycemic effect. The magnesium acetyltaurate can reduce the blood sugar level of the mouse, basically has no influence on the weight of the mouse, can be used as a medicine for reducing the blood sugar, and has good development and application prospects. The preparation method disclosed by the invention is simple to operate and low in cost, and large-scale preparation of magnesium acetyltaurate can be realized.

The invention discloses a preparation method and application of a BG (at) ZIF-8 organic-inorganic nanofiber membrane, and belongs to the field of biomedical composite materials. The method comprises the following steps: preparing BG through high-temperature calcination, wrapping the BG in ZIF-8 by using a wrapping technology to form BG-coated ZIF-8, and then carrying out microfluidic electrostatic spinning on the BG-coated ZIF-8, PCL and PVA to obtain a nanofiber membrane containing Zn < 2 + >, Ca < 2 + > and Si < 4 + > for diabetes wound healing. The ions can be slowly released to promote growth factor expression and revascularization. Experiments prove that BG (at) ZIF-8 / PCL-PVA can inhibit diabetes mellitus wound inflammation and accelerate healing. The composite fiber membrane using the micro-fluidic electrostatic spinning technology provides a new view angle for wound healing of diabetes, and is a potential efficient treatment strategy.

The invention belongs to the technical field of manufacturing of negative-electrode-free sodium / magnesium metal battery current collectors, and discloses a copper-based composite current collector, a preparation method thereof and application of the copper-based composite current collector in a negative-electrode-free metal battery. The current collector is used for solving the problem that the cycle life of a battery is short due to disordered deposition of sodium / magnesium ions and overgrowth of sodium / magnesium dendrites of a traditional current collector under high current density and high surface capacity. According to the invention, the linear copper sulfide with the thickness of about 0.05-1 mu m is constructed on the surface of the copper foil in situ through a liquid-phase vulcanization method, the thickness of the copper sulfide modification layer is 0.5-5 mu m, and the nucleation overpotential of sodium ions or magnesium ions on a current collector can be effectively reduced. When the material is applied to a sodium / magnesium metal battery without a negative electrode, high average coulombic efficiency and excellent cycle life of the battery under ultra-high current density surface capacity can be realized.

The utility model discloses a phase change mass transfer enhanced non-pure water solution direct electrolysis hydrogen production system, which belongs to the field of electrochemistry and comprises a non-pure water solution hydrogen production subsystem and a phase change mass transfer enhanced subsystem which are connected with each other. A non-pure water solution mass transfer device is arranged in a non-pure water solution heat preservation cabin of the phase change mass transfer enhancement subsystem, and a non-pure water solution inlet, a non-pure water solution outlet and a pure water vapor outlet are formed in the non-pure water solution heat preservation cabin; the non-pure water solution inlet is connected with a valve I, and the non-pure water solution outlet is connected with a valve II; the non-pure water solution mass transfer device comprises a non-pure water solution mass transfer unit, and a waterproof breathable layer is attached to the surface of the non-pure water solution mass transfer unit. According to the utility model, more purified water can be obtained in a smaller space, and meanwhile, the waste heat can further evaporate non-pure water solution to obtain pure liquid water resources.

The invention relates to a preparation method of a lead-chalcogenide quantum dot material, simultaneously protects the lead-chalcogenide quantum dot material prepared by adopting the method and application of the material, and belongs to the technical field of compound semiconductor materials. The preparation method specifically comprises the following steps: dissolving lead halide and a chalcogenide precursor in N, N-dimethylformamide; the preparation method comprises the following steps of: adding the lead sulfide into N, N '-dimethylformamide to form a precursor solution A, dissolving oleylamine into toluene to form a precursor solution B, adding the precursor solution A into the precursor solution B, adding ethanol after the reaction is finished, and centrifugally separating to obtain the lead-sulfur group quantum dot with the oleylamine and halogen co-coordinated, the quantum dot can generate the lead-sulfur group quantum dot in which oleic acid and halogen are co-coordinated through ligand exchange. The lead-sulfur group quantum dot material disclosed by the invention has the advantages of simple preparation method and high yield, and has the characteristics of adjustable material wavelength, high luminous efficiency and the like when being used in a luminescent device.

The invention provides a silicon-based negative electrode material which comprises a silicon-based inner core and a coating layer coating the silicon-based inner core, the coating layer is made of a carbon material and a fast ion conductor, and the mass content of the fast ion conductor in the coating layer is gradually increased in the direction from the silicon-based inner core to the coating layer. The silicon-based negative electrode material is excellent in ionic conductivity and electronic conductivity, stable in structure and beneficial to being used in a negative electrode. The invention also provides a preparation method of the silicon-based negative electrode material, a negative electrode, a battery and electric equipment.

The utility model discloses a non-pure aqueous solution hydrogen production and solid salt co-production system, which belongs to the field of electrochemistry and comprises a non-pure aqueous solution hydrogen production subsystem and a salt crystallization separation subsystem which are connected with each other. A non-pure water solution mass transfer device is arranged in a salt crystallization separation cabin of the salt crystallization separation subsystem, a non-pure water solution inlet and a pure water vapor outlet are formed in the salt crystallization separation cabin, and the non-pure water solution inlet is connected with a first valve; a solid salt outlet is formed in the solid-liquid separator; a second valve is arranged between the salt crystal separation cabin and the solid-liquid separator; the non-pure water solution mass transfer device comprises a non-pure water solution mass transfer unit, and a waterproof breathable layer is attached to the surface of the non-pure water solution mass transfer unit. The device disclosed by the utility model can fundamentally solve the problems of failure of an ion exchange membrane, inactivation of a catalyst, generation of alkaline precipitate and toxic gas and the like caused by complex ion components, and achieves double-effect utilization of energy regeneration and resource utilization of non-pure water solution.

The invention provides calcium phosphate nanoparticles containing polyphosphate or polyphosphoric acid, a preparation method of the calcium phosphate nanoparticles and application of the calcium phosphate nanoparticles in hard tissue repair products, the diameter of the calcium phosphate nanoparticles is 1 nm-10 microns, and the mass fraction of the polyphosphate or the polyphosphoric acid in the calcium phosphate nanoparticles is 10-80%; the calcium-phosphorus composite material is obtained by mixing a calcium-containing solution and a phosphorus-containing solution, the phosphorus-containing solution comprises polyphosphate or polyphosphoric acid and phosphate or phosphoric acid, and the concentration of polyphosphate or polyphosphoric acid in the phosphorus-containing solution is 0.1-500 mg / mL. The calcium phosphate nanoparticles containing polyphosphate or polyphosphoric acid have the advantages of small size, controllable particle size and high biological safety, the preparation method is simple to operate and low in cost, and large-scale preparation of the calcium phosphate nanoparticles can be realized; the collagen fibers can be effectively mineralized, the hard tissues such as bones and enamel can be repaired, and the method has a wide application prospect.

The present invention provides a three-dimensional Raman enhanced membrane for rapid identification of bacteria and a method and system thereof, wherein the three-dimensional Raman enhanced membrane for rapid identification of bacteria comprises a polymer material layer; the polymer material layer is provided with a plurality of funnel-shaped through holes, and the polymer material layer and the surfaces of the plurality of funnel-shaped through holes are both provided with Raman enhanced material layers. The three-dimensional Raman enhanced membrane for rapid identification of bacteria described in the present invention has a plurality of funnel-shaped through holes added to the polymer material layer, and during the detection process, the contact area between the pathogenic bacteria and the through holes (i.e., the polymer material layer) is large, which can indirectly improve the sensitivity of the detection.

This invention discloses a high-coercivity hard magnetic oxide semiconductor thin film with perpendicular magnetic anisotropy and its preparation method. The invention employs a multi-target alternating gradient film preparation process, using NiFeO4 and NiCo2O4 targets for alternating sputtering to prepare NiCo2-xFexO4-NiCo2O4 gradient thin films. Experimental results show that the obtained films exhibit a coercivity as high as 1T and good conductivity, with an anomalous Hall resistivity reaching 52.5 μΩ·cm. This preparation method has the advantages of simplicity and low cost, providing new possibilities for the development of magnetic storage devices. This method has significant application potential for realizing high-density, high-speed, and low-power magnetic storage devices, contributing to the development and application of magnetic storage technology.

The present invention belongs to the technical field of two-dimensional materials, specifically a kind of amorphous silicon dioxide two-dimensional material and its preparation method. The present invention uses pre-polymerized tetraethyl silicate, ethyl acetate and alkali source as raw materials, and prepares amorphous silicon dioxide two-dimensional material precursor by self-assembly reaction; utilizes easy high temperature, chemical etching and electrochemical corrosion sacrificial template method, and obtains amorphous silicon dioxide two-dimensional material by removing template; Compared with existing methods, this method has low cost, simple process, strong universality, and output improvement of 100-10000 times; product morphology is adjustable between 1μm-40μm, and thickness is adjustable between 1nm-10nm; the amorphous silicon dioxide two-dimensional material has excellent high temperature resistance (can withstand more than 1,000 degrees Celsius for a long time), good semiconductor properties and biocompatibility and other characteristics, and has broad application prospects in the fields of semiconductors and integrated circuits, biomedicine, aerospace and scientific research.

The present application belongs to the technical field of polyurethane / polyurea, and discloses a stress change material and a preparation method thereof. The stress change material comprises hydrophobic segments and hydrophilic segments. The stress change material can change in size in two ways under water stimulation: one is to absorb a large amount of water to induce rearrangement of the hydrophilic segments, so as to realize volume expansion; the other is to absorb a small amount of water as a plasticizer to promote the movement of the segments, so as to realize shape recovery. Meanwhile, due to the introduction of the hydrophobic segments, the polyurethane / polyurea can still maintain sufficient mechanical strength in a water environment, thereby widening the application range of the material.

The invention discloses a preparation method of a high-specific-capacitance supercapacitor electrode based on a carbon material, and the method comprises the steps: mixing the carbon material with a sodium alginate or carboxymethyl cellulose aqueous solution to obtain slurry; coating a substrate with the slurry to form a slurry film, immersing the slurry film and the substrate into a cross-linking agent for cross-linking, and then separating the hydrogel film from the substrate; and washing the hydrogel film with distilled water to remove the residual cross-linking agent, and then immersing the hydrogel film in electrolyte for electrochemical treatment to obtain the high-specific-capacitance supercapacitor electrode. According to the invention, the electrochemical stable potential window can be widened by 30% and the specific capacitance can be improved by about 100% under the condition that the existing commercial carbon material and electrolyte are utilized, and the preparation method is simple, is matched with the existing commercial production line and can realize large-scale preparation.

The invention belongs to the field of thermoelectric materials, and discloses a rapid preparation method of a high-performance inorganic plastic thermoelectric material, which comprises the following steps: (1) weighing elementary substance material powder corresponding to each element according to the nominal chemical dosage ratio of each element in the chemical formula of the inorganic plastic thermoelectric material; (2) mixing to obtain mixed powder; (3) putting the mixed powder into a quartz tube, vacuumizing and sealing; and (4) placing the vacuum-sealed quartz tube in a graphite crucible, then placing the crucible in an induction heating coil, heating to 1000-1100 DEG C, and carrying out heat preservation for 10-20 minutes to carry out induction heating smelting so as to obtain the inorganic plastic thermoelectric material cast ingot. According to the invention, the process of the preparation method is improved, based on induction heating, the rapid preparation of the inorganic plastic thermoelectric material can be realized only by utilizing induction heating to keep the temperature at 1000-1100 DEG C for 10-20 minutes, and the prepared inorganic plastic thermoelectric material has the characteristic of high performance in the aspects of thermoelectric performance and plasticity.

The invention relates to a system and a method for preparing methanol from biomass. The system for preparing methanol from biomass comprises at least one pyrolysis carbonization unit and a gasification synthesis unit; the pyrolysis carbonization unit comprises a pyrolysis reactor; the gasification synthesis unit comprises a second gasification reactor, a reforming reactor and a synthesis reactor; the preparation method of methanol comprises the following steps: S1, carrying out pyrolysis carbonization on primarily crushed biomass in a pyrolysis reactor to obtain biochar and pyrolysis gas; s2, the charcoal, oxygen and steam are subjected to a pressurized gasification reaction in the second gasification reactor, and second gasified gas is obtained; s3, the second gasified gas is subjected to a reforming reaction in the reforming reactor, and synthesis gas is obtained; and S4, carrying out a synthesis reaction on the synthesis gas in the synthesis reactor. The methanol production process can be amplified on a large scale, and the production cost is reduced.

The invention relates to a nickel hydroxide-nickel molybdate nanotube supercapacitor electrode material and a preparation method and application thereof.According to the nickel hydroxide-nickel molybdate nanotube supercapacitor electrode material and the preparation method and application thereof, nickel molybdate nanotubes are synthesized through an electrostatic spinning technology, then a nickel hydroxide material and a nickel molybdate nanotube material are compounded through a water bath method, and the specific surface area of the material is greatly increased; the number of active sites is increased, the specific capacity and the stability of the material are further improved, and the energy density and the power density of a capacitor can be improved through the high specific surface area and an optimized electron transmission channel.

The application provides a powder sintered titanium diffusion layer and a preparation method and application thereof, and belongs to the technical field of regenerative fuel cells, and comprises the following steps: preparing a coating A and a coating B, coating the coating A on a substrate to obtain a green film, coating the coating B on the surface of the green film to obtain a composite green film, and performing pretreatment, degreasing and sintering on the composite green film to obtain a powder sintered titanium diffusion layer with a hydrophobic Ti6O surface. The application provides a powder sintered titanium diffusion layer and a preparation method and application thereof, and realizes simple preparation of a titanium-based diffusion layer with adjustable surface hydrophilicity and hydrophobicity.

The manufacturing method of the large-size diffraction optical waveguide element comprises the following steps that a grating mother set is manufactured, silicon or quartz glass larger than or equal to 6 mm serves as a substrate, and the high-precision grating mother set is manufactured through the holographic-ion beam etching technology; the substrate is machined through the wafer back thinning technology to form a mold, and the thickness reduction value of the mold is smaller than 1 mm; the mold is copied by using a nanoimprint production process, and a sample of the mold is formed; performing waveguide bonding process treatment on the sample; the initial bonding sample is subjected to cutting process treatment, the grating is protected from being damaged, and cutting forming is achieved.

This invention provides a method for preparing a microtube monolithic oxygen carrier, comprising the following steps: First, a metal oxide is uniformly mixed with a binder, solvent, and dispersant to obtain a slurry; second, the slurry and a first curing agent are simultaneously added to a porous mold and extruded to obtain a first product; the first product is placed in a second curing agent to complete a phase transformation process, and then dried and shaped to obtain a second product; finally, the second product undergoes preliminary calcination and high-temperature calcination to obtain the microtube monolithic oxygen carrier. The monolithic oxygen carrier prepared by this invention has abundant axial and radial hierarchical pore structures, enabling simultaneous achievement of low bed pressure drop and low heat and mass transfer resistance. The oxygen carrier exhibits high reactivity, strong resistance to sintering and carbon deposition, and can be used in processes such as chemical looping combustion, reforming, or hydrogen production of gaseous fuels in fixed-bed reactors. The oxygen carrier structure is adjustable, has wide applicability to raw materials, and a simple preparation process, allowing for large-scale preparation and possessing broad prospects for promotion and application.

The invention discloses a preparation method and application of a PBO nanofiber solution and PBO nanopaper, during preparation of the PBO nanofiber solution, firstly, PBO chopped fibers are added into sulfonic acid functionalized ionic liquid to form a mixed solution, then the mixed solution is poured into a homogenizer to be dispersed to obtain a PBO micron / nanofiber mixed solution, then negative pressure suction filtration is performed, and the PBO nanofiber solution is obtained. The PBO nanofiber solution with the asymmetric charge interface is obtained. When the PBO nano paper is prepared, a PBO nano fiber solution is taken, deionized water is added, the PBO nano fiber solution and the deionized water are mixed according to the proportion of 1 g: 150 ml, then the mixture is stirred to be uniform in a magnetic stirring mode, negative pressure suction filtration is adopted, then deionized water is added for washing, a wet paper web is obtained, the wet paper web is sequentially subjected to drying and hot pressing, and the high-temperature-resistant and insulated PBO nano paper is obtained. The problems of PBO molecular weight reduction, environmental pollution and the like caused by a mixed strong acid system can be effectively avoided.

This invention provides a pH / ROS dual-responsive nanomedicine carrier, the structure of which is cyclodextrin modified with cinnamaldehyde and 4-hydroxyphenylboronic acid pinacol ester. Lecithin, phospholipid-polyethylene glycol (DSPE-PEG), and phospholipid-polyethylene glycol-RGD peptide are used as the shell of the nanomedicine, and the core consists of glucocorticoids and the prepared pH / ROS dual-responsive drug carrier to form a nanoformulation. This invention designs a pH / ROS dual-responsive drug carrier based on the microenvironment of the disease site. Compared with single pH-responsive or single ROS-responsive drug carriers, this carrier has better microenvironment responsiveness and can more effectively degrade and release therapeutic molecules according to the microenvironment of the lesion site.

The invention discloses a method for preparing high-purity nano carbon black, comprising: installing a high-purity nano carbon black preparation reaction device, evacuating the reaction device, introducing an inert gas to normal pressure, and evacuating the reaction device again; starting and operating a plasma generator to a rated operating power condition, operating the plasma generator to allow a high-temperature cracking reactor to reach a rated temperature; n H m The gaseous substance is introduced into the high-temperature cracking reactor; the gas-solid mixture generated in the high-temperature cracking reactor is transported to the heat exchanger through a pipeline for cooling; the cooled gas-solid mixture is introduced into the gas-solid separation device, and the tail gas enters the gas separation device after passing through the gas-solid separation device; the tail gas enters the gas separation device to separate hydrogen from other gases, recovers and collects the hydrogen, and recycles the inert gas. The present invention realizes the automated, continuous, and large-scale preparation of high-purity nano carbon black with uniform particle size, and has the advantages of continuous control and automated mass production.

The present disclosure relates to an infrared focal plane detector, system and preparation method, wherein the infrared focal plane detector comprises: a flexible curved surface substrate and a quantum dot detection structure; the quantum dot detection structure is located on the light incident side of the flexible curved surface substrate; the quantum dot detection structure is used to respond to external infrared ambient light signals to output electrical signals to the flexible curved surface substrate to a readout circuit of the flexible curved surface substrate. Thus, by arranging the quantum dot detection structure on the light incident side of the flexible curved surface substrate, it is ensured that the quantum dot detection structure is effectively coupled with the flexible curved surface substrate, thereby facilitating the large-scale preparation and application of the infrared focal plane detector.

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

The invention relates to a method for preparing a perovskite wafer based on physical hot pressing and application thereof. According to the method, physical hot pressing assistance and conductive polymer modification methods are adopted, that is, in the process of preparing the FAPbI3 wafer through a mechanical pressing method, an external heating field and conductive polymer modification are synchronously introduced. And the crystallinity of the wafer is improved by the thermal field with proper temperature, and finally the compact perovskite wafer with high crystallinity is obtained. The wafer obtained by the invention can be used for a high-sensitivity near-infrared (NIR) photoelectric detector, and shows excellent photoelectric properties in a near-infrared light band.

The present invention provides a gas sensor and a preparation method, and a method for measuring gas composition and air pressure. The gas sensor comprises: a SrTiO3 substrate, a LaFeO3 film, a LaAlO3 film, an adhesion layer and a back electrode; the SrTiO3 substrate comprises a polished surface and a rough surface; the polished surface is grown with the LaFeO3 film, and the LaAlO3 film is grown on the LaFeO3 film; the rough surface is plated with the adhesion layer and the back electrode, and the back electrode is connected to a temperature control platform. The gas sensor of the present invention has a simple structure and low cost, can work stably at extremely low temperatures (-273°C) to 150°C, and has high application value in extreme environments.

The invention discloses an MOF (Metal Organic Framework) capable of being used for preparing ammonia by electroreduction of a nitrate-containing solution and a preparation method, and belongs to the technical field of nano materials. Comprising the following steps: firstly, treating carbon cloth with a saturated potassium permanganate solution; then adding an organic ligand 2, 3, 6, 7, 10, 11-hexahydroxy triphenylene and cobalt acetate monohydrate into deionized water and N-methyl pyrrolidone, and carrying out ultrasonic treatment to fully disperse the solid medicine in the solution; obliquely putting the pretreated carbon cloth into the mixed solution, transferring into a reaction kettle, carrying out hydrothermal treatment, repeatedly cleaning the surface of the carbon cloth by using deionized water and absolute ethyl alcohol, and drying to obtain the MOF capable of being used for preparing ammonia by electroreduction of a nitrate-containing solution. According to the method, bismuth chloride can also be added into the organic ligand 2, 3, 6, 7, 10, 11-hexahydroxy triphenylene and cobalt acetate monohydrate to prepare Bi-doped MOF. The invention aims to provide the method for preparing the MOF which can be used for preparing the ammonia by electroreduction of the nitrate-containing solution, can be massively produced, has uniform morphology and can be used for preparing the ammonia by electroreduction of the nitrate-containing solution under a hydrothermal condition.

The invention discloses a trimethylene pyrazine-based porous material as well as a preparation method and application thereof. The trimethylene pyrazine-based porous material is a polymer containing a trimethylene pyrazine structural unit. The existence of C-C bonds in the polymer endows the material with high chemical stability, and when the material is applied to a super capacitor, long circulation stability in strong acid or strong alkaline electrolyte can be realized. Besides, the skeleton of the triphenylene pyrazine-based porous material contains a large number of redox active sites, so that when the triphenylene pyrazine-based porous material is applied to a supercapacitor, a proton-coupled electron transfer reaction can be carried out under an acidic condition, and high specific capacitance is shown. According to the preparation method of the trimethylene pyrazine-based porous material, the trimethylene pyrazine monomers are adopted as raw materials, trimethylene pyrazine macromolecules are formed through high-temperature thermal polymerization, a solvent and a catalyst do not need to be used in the polymerization process, meanwhile, the synthesis cost of the material is low, the synthesis steps are simple, and large-scale preparation can be achieved easily.