53 results about "Biomass carbon" patented technology

This invention discloses a self-cleaning radiative cooling coating based on biomass carbon quantum dots, its preparation method, and its application. The coating comprises a polymer film-forming resin, carbon quantum dots, and hollow glass microspheres; wherein the mass ratio of the polymer film-forming resin to the filler is 1:(0.1-0.5), and the mass ratio of the hollow glass microspheres to the carbon quantum dots is 1:(0.05-0.2). This invention synergistically enhances solar reflectivity through the photoluminescence properties of carbon quantum dots and the scattering properties of hollow glass microspheres, while simultaneously utilizing the synergistic effect of fluorinated resin and modified hollow glass microspheres to endow the coating with superhydrophobic self-cleaning function. A single layer of this coating can achieve a solar reflectivity >92%, mid-infrared emissivity >94%, and contact angle >150°, possessing both efficient daytime radiative cooling and long-lasting self-cleaning performance. It is particularly suitable for passive heat dissipation of outdoor equipment such as new energy vehicle charging piles, and features simple process, environmental friendliness, and excellent performance.

The application discloses a kind of positive charge biomass carbon dots and preparation method and application thereof, belong to biomass carbon dot technical field.The application provides a kind of method for preparing nanoscale biomass carbon dots with positive charge using agricultural waste-tomato seedling, and the preparation method is simple and easy to operate, and the equipment requirement is low, material source is extensive, cheap and easy to obtain, no toxic chemical reagent is used, and it is environment-friendly, and the preparation cost is low;A new way for high-value utilization of tomato seedling is provided;The biomass carbon dots prepared are approximately spherical in shape, uniform in size, well dispersed, and have no aggregation phenomenon, with an average diameter of 10 nm and an average potential of +42.03 mV;Good hydrophilicity, strong stability;With blue, green, red and other fluorescent properties.

This invention discloses a flexible composite piezoresistive sensor based on PVA / glycerol / biomass carbon spheres and its preparation method. The sensor comprises a flexible substrate and a conductive active layer, the conductive active layer being distributed within the flexible substrate. The flexible substrate is a polyvinyl alcohol / glycerol composite hydrogel system. The conductive active layer comprises biomass-derived carbon nanospheres and poly(3,4-ethylenedioxythiophene):polystyrene sulfonic acid, with the biomass-derived carbon nanospheres having a particle size range of 150–200 nm. The mass ratio of the polyvinyl alcohol, biomass-derived carbon nanospheres, and the aqueous solution of poly(3,4-ethylenedioxythiophene):polystyrene sulfonic acid is 10:1:5, and the amount of glycerol added is 20%–30% of the mass of the polyvinyl alcohol. The surface structure of the flexible composite piezoresistive sensor is a periodically arranged micro-dome array structure. The sensor of this invention possesses advantages such as high sensitivity, wide response range, fast response, excellent mechanical stability, and environmental friendliness.

A method for preparing magnetic lignin-carbon composite materials for electromagnetic shielding belongs to the field of biomass carbon-based electromagnetic functional composite material preparation technology. The method involves in-situ polymerization to coat lignin powder with a polymer-based magnetic particle inducer layer such as polyaniline to obtain an intermediate; subsequently, a uniform and stable loading of Fe, Co, and Ni magnetic particles is achieved through in-situ growth of MOF particles or metal salt solution modification and impregnation processes; finally, high-temperature carbonization yields magnetic lignin-carbon. This invention effectively solves the technical problems of easy aggregation of magnetic particles and weak interfacial bonding by utilizing the abundant active sites provided by the inducer layer, enabling the resulting composite material to possess both the electrical conductivity loss of carbon-based materials and the hysteresis loss of magnetic particles, forming a highly efficient magnetic-electric synergistic loss mechanism. The magnetic lignin-carbon of this invention achieves an average shielding effectiveness of up to 77.5 dB in the 2-18 GHz band, showing broad application prospects in fields such as electromagnetic protection of electronic equipment and military stealth.

This invention belongs to the field of catalyst technology and discloses a nitrogen-doped carbon-supported cobalt-nickel dual-site ORR-OER catalyst and its preparation method. The catalyst has the molecular formula CoNi-MOF@ACW and the structure is a dodecahedral CoNi-MOF grown on nitrogen-doped biomass carbon ACW with Co and Ni in an atomically dispersed state. Preparation method: (1) Prepare nitrogen-doped biomass carbon ACW; (2) Prepare a complex of metallic nickel and PI-PINi; (3) Dissolve water-soluble zinc salt, water-soluble cobalt salt and PINi together in methanol to obtain solution A; (4) Add 2-methylimidazole to methanol to obtain solution B; (5) Add ACW to solution A, stir evenly and then add solution B, continue stirring evenly; (6) Take out the solid material to obtain the precursor CoPINi-MOF@ACW; (8) Wash CoPINi-MOF@ACW with methanol and then dry; (9) Embed CoPINi-MOF@ACW with NH4Cl and pyrolyze to obtain the target catalyst. The catalyst of this invention has extremely high ORR-OER bifunctional catalytic activity and stability.

This invention discloses a method for preparing a biomass carbon-based catalyst based on the synergistic activation of composting and Joule flash evaporation. The steps are as follows: S1: Mix dried and pulverized rice husks with poultry and livestock manure after impurity removal, and adjust the moisture content of the mixture to 30-90% to obtain a mixed raw material; S2: Pile the mixed raw material into a self-prepared composting tank and seal it, and carry out composting and transformation under the action of microorganisms. The total composting time is 28-75 days until the material is mature and turns brownish-brown. After drying and pulverizing, compost powder is obtained as the basic catalyst; S3: Take 15g of the basic catalyst and place it in a pulse treatment device for Joule flash treatment and two-stage pulse discharge treatment; After the treatment, crude carbon material is obtained, namely, a biomass carbon-based non-metallic catalyst. By introducing Joule flash evaporation technology, the material is subjected to instantaneous ultra-high temperature treatment by controllable high-energy electrical pulses, achieving synergistic enhancement of carbon skeleton graphitization, defect engineering, and active sites.

The application discloses a kind of doped porous carbon electrode and its application in high-voltage series hybrid energy storage device, belong to electrochemical energy storage device technical field.The electrode includes metal-based composite copper aluminum foil current collector, 50~100nm thick carbon nano anchoring layer and doped porous carbon active layer, copper layer side is nitrogen-doped hard carbon negative electrode, aluminum layer side is boron-doped activated carbon positive electrode, forms double-sided heteropolar structure.Nitrogen / boron doping introduces weak pseudo-capacitance, improves energy density without loss of cycle life, while inhibiting gas production under high pressure.The application perfectly adapts internal multilayer series high-voltage energy storage device, the whole package energy density can reach 50~55Wh / kg, more than 30% higher than traditional biomass carbon electrode, cycle life ≥150,000 times, gas production rate is reduced by more than 50%, greatly improves the comprehensive performance of high-voltage energy storage device.

This invention relates to the field of adsorption materials technology, specifically to a high-performance seaweed carbon fiber material based on microsphere phase change and its preparation method. The method involves separating the components of seaweed raw materials to construct a "core-shell" structured microsphere phase change unit with calcium alginate microspheres as the shell and seaweed active polysaccharides as the phase change medium. A composite spinning solution is prepared by blending sulfonic acid-based cellulose nanocrystals with polyacrylonitrile, dispersing the microsphere phase change unit within it. After electrospinning, catalytic carbonization, and steam activation, the seaweed carbon fiber material is finally obtained. The sulfonic acid groups effectively catalyze the cyclization reaction of polyacrylonitrile during carbonization, significantly enhancing the density of the carbon skeleton and producing a multi-level synergistic enhancement effect with the microsphere phase change unit. This results in a material that simultaneously possesses ultra-high strength and high adsorption capacity, solving the technical challenge of simultaneously achieving both mechanical and adsorption properties in biomass carbon fibers.

The application provides a modified biomass carbon material-based lithium battery negative electrode material and a preparation method thereof, and the preparation method comprises the following steps: (1) preparing modified nano silicon; (2) under a nitrogen atmosphere, ultrasonic dispersion is carried out on the modified nano silicon prepared in the step (1) and dichloro sulfoxide, N,N-dimethylformamide is added, the temperature is increased to 70-80 DEG C, a modified conductive material is added, reaction is carried out at 70-80 DEG C for 20-25 h, and a mixed solution is obtained; (3) the mixed solution in the step (2) is subjected to spray drying, the inlet temperature of the spray drying is 220-250 DEG C, the outlet temperature is 120-150 DEG C, and the modified biomass carbon material-based lithium battery negative electrode material is obtained; the lithium battery negative electrode material prepared by the application has high conductivity, the charging and discharging efficiency is improved, and the service life of the lithium ion battery at different temperatures is increased.

This invention discloses a method for preparing and applying a biomass carbon-derived metal-based composite sulfur cathode for all-solid-state batteries, belonging to the field of all-solid-state lithium-sulfur battery technology. The invention first prepares a biomass carbon BC-Cu material, using sulfur powder (S) as a substrate and adding Ketjen black (KB) to form a sulfur cathode (S@KB). Then, BC-Cu material is added to this cathode to form a composite sulfur cathode S@KB-BC-Cu. The BC-Cu material prepared by this invention exhibits a highly porous structure, nanoscale size, and good reproducibility and controllability, laying a solid foundation for subsequent research and application of material properties. When the composite sulfur cathode prepared by this invention is used in an all-solid-state lithium-sulfur battery, it exhibits high discharge specific capacity, good cycle stability, and excellent rate performance.

This invention discloses a sulfur-doped biomass carbon / modified carbon nitride composite material, its preparation method, and its application. It belongs to the field of selective recovery of precious metals and simultaneous degradation of persistent organic pollutants. This invention is the first to utilize a sulfur-doped biomass carbon / modified carbon nitride composite material to selectively recover precious metals and simultaneously degrade organic pollutants in industrial wastewater containing precious metals. This composite material has strong versatility, eliminating the need for pretreatment of wastewater such as pH adjustment and pollutant removal, greatly reducing the cumbersome procedures in traditional adsorption and recovery processes, saving energy, and offering both environmental and economic benefits.

The invention provides a hard carbon negative electrode material, a preparation method thereof and a sodium ion battery, and belongs to the technical field of electrochemical energy storage materials. The preparation method of the hard carbon negative electrode material comprises the following steps: uniformly mixing a biomass carbon source, an energetic catalyst, a cross-linking agent and a doping agent to obtain a precursor mixture; in an air atmosphere, heating the precursor mixture to a triggering temperature and carrying out heat preservation, triggering the precursor mixture and carrying out a self-exothermic oxidation-reduction reaction to obtain a primary carbide; cooling the primary carbide to room temperature, crushing and washing to obtain a hard carbon crude product; and uniformly mixing the hard carbon crude product with a modifier, and carbonizing in an inert atmosphere to obtain the hard carbon negative electrode material.

This invention relates to the field of metallurgical solid waste resource utilization and waste heat recovery technology, and discloses a system and method for separating dust components using waste heat from electric arc furnace steel slag. The system includes: an electric arc furnace steel slag heat exchanger, whose outlet is connected to a first waste heat boiler and a temperature regulating furnace; a mixing silo for mixing electric arc furnace dust and biomass carbon powder, the mixing silo being connected to the temperature regulating furnace; a circulating fluidized bed connected to the temperature regulating furnace; and a high-temperature dust collector connected to the circulating fluidized bed, used to separate the gas-solid mixture after the circulating fluidized bed reaction into weakly reducing dust and hot air. The hot air is transported to a second waste heat boiler for heat exchange, and the weakly reducing dust is separated into iron tetroxide solid and zinc-rich ash by a magnetic separator. This invention adopts a "selective weak reduction-magnetic separation for iron extraction-zinc oxide enrichment" route, achieving high iron and zinc separation efficiency, high product purity, and realizing cascade utilization of waste heat. With dual waste heat boilers, the thermal energy utilization rate is high.

The application discloses a kind of FeCoNi nanoparticle loaded yeast-derived carbon composite wave-absorbing materials and preparation method thereof.The method uses yeast as biomass carbon source, and yeast-derived carbon is obtained by hydrothermal carbonization;Then, the three-metal precursor salt (Fe2+, Co2+, Ni2+) is dissolved in the solvent according to a certain mass ratio with yeast-derived carbon, and FeCoNi nanoparticles are in-situ loaded on the surface of yeast-derived carbon by hydrothermal impregnation method, and the composite wave-absorbing material is obtained after drying and inert atmosphere heat treatment.The FeCoNi nanoparticles in the obtained material are uniformly dispersed on the surface of carbon material, and the synergistic effect of dielectric loss and magnetic loss is utilized to achieve excellent electromagnetic wave absorption performance.The method is simple, low in cost, and requires small equipment, and the prepared material is environmentally friendly, sustainable, and has strong controllability, etc., and is suitable for radar stealth field.

The application discloses a kind of bamboo cell wall modifiers based on biomass carbon dots and its application method in bamboo preservative and mildew-proof;Among them, the preparation method of modifier includes: biomass waste is used as carbon source, which is crushed, sieved and dried to absolute dryness, to obtain absolute dry wood powder;Absolute dry wood powder and zinc gluconate are added to deionized water for stirring;After stirring is completed, the mixture is transferred to hydrothermal reaction kettle for heating reaction;After reaction is completed, cool to room temperature, filter the filtrate and centrifuge, to obtain zinc-doped carbon dot solution;Polyethylene glycol aqueous solution is stirred with zinc-doped carbon dot solution, then the mixed solution is filtered, the filtered solution is centrifuged and the supernatant is dialyzed through dialysis bag to remove unreacted polyethylene glycol, to obtain polyethylene glycol modified zinc-doped carbon dot preparation;The moso bamboo modified by the preparation shows excellent corrosion resistance and mildew resistance, meeting the demand of material performance in the field of building, furniture and the like.

This invention discloses a biomass-based hard carbon composite material prepared by quantitative analysis of hard carbon pore volume, a method thereof, a negative electrode material, and a battery. The method provided by this invention first uniformly disperses a pore-forming agent in biomass powder, and after pre-carbonization and washing, obtains a porous carbon matrix. This step simultaneously completes pore formation during pre-carbonization, preparing a porous carbon matrix with a certain pore volume. Subsequent steps design the amount of soft carbon precursor based on the total pore volume, enabling quantitative and rational use of the soft carbon precursor, resulting in consistent product performance and facilitating industrial production. It also avoids the problem of inconsistent soft carbon raw material ratios due to the diversity of biomass sources. Furthermore, this invention utilizes the chemical cross-linking reaction between asphalt and biomass carbon, not only improving the residual carbon rate but also constructing a unique structure rich in closed pores and ultramicropores, effectively solving the problems of low initial coulombic efficiency and insufficient plateau capacity in traditional hard carbon materials.

This invention provides biomass carbon / metal oxide nanoparticles and their preparation method, as well as carbon-based nanomaterial emulsifiers and their applications. The preparation method of the biomass carbon / metal oxide nanoparticles includes: sequentially drying, carbonizing, and pulverizing biomass loaded with metal oxide precursors. The biomass carbon / metal oxide nanoparticles of this invention have strong emulsifying properties, low raw material costs, require no surface modification, have a simple preparation process, are highly practical, and are easy to promote and use. The carbon-based nanomaterial emulsifier containing biomass carbon / metal oxide nanoparticles can enhance the emulsifying ability of nanocomposite oil displacement systems, achieve efficient oil washing and emulsification diffusion, and solve the problem of poor emulsification and oil displacement effect in composite oil displacement systems under alkali-free conditions. This is of great significance for the efficient development of medium- and low-permeability reservoirs.

The application discloses a kind of silicon-carbon composite negative electrode materials based on tea stem biomass and photovoltaic waste silicon plate and its preparation method and application, wherein silicon particles are uniformly dispersed and embedded in tea stem biomass derived porous carbon network, forming stable composite structure, which is prepared by the following method: tea stem powder is used as raw material to carry out acid washing pore and high temperature annealing in sequence to prepare tea stem biomass derived porous carbon, and waste silicon powder is prepared by wall breaking crushing and acid washing of photovoltaic waste silicon plate;Again, tea stem biomass derived porous carbon, waste silicon powder and nanometer silicon are used as raw material to carry out high-speed ball milling, then pitch is added to continue high-speed ball milling, and then high-temperature calcination is carried out.The present application uses cheap and easily available tea stem biomass and photovoltaic waste silicon plate as raw material, through specific process steps, realizes the collaborative high-value utilization of biomass carbon and waste silicon resources, which not only significantly reduces the preparation cost of negative electrode material, but also meets the requirements of resource recycling and green environmental protection industry development.

The present application belongs to the field of environmental functional materials and soil improvement technology, and relates to a borate intercalated magnesium-iron bimetallic oxide composite material, a preparation method and application thereof. The material takes straw biochar as a carrier, adopts a coprecipitation method to grow borate intercalated magnesium-iron layered double hydroxide in situ on the surface of biochar, and is prepared by calcination. The material has specific adsorption performance on small-molecule organic carbon sources such as glucose and glutamic acid by using boron hydroxyl functional groups, and still maintains high capacity in a high-salt environment. After being applied to salinized soil, the composite material captures active small-molecule organic carbon by chemical adsorption, significantly improves the microbial biomass carbon content; the proliferation of microorganisms promotes the assimilation and conversion of organic carbon, and finally realizes the increase of total soil organic carbon storage. Through the synergistic mechanism of "chemical capture-microbial driving", the present application realizes the efficient and stable accumulation of organic carbon in salinized soil, and provides a new material and a new way for carbon sequestration and improvement.

The present disclosure aims to provide a styrene-based resin composition and a molded body thereof, which reduce environmental load by using a biomass raw material and are excellent in mechanical strength. The present disclosure is a styrene-based resin composition, wherein the styrene-based resin composition contains 82.5 to 99.9 mass% of a styrene-based resin (A) containing a styrene-based monomer unit and 0.1 to 15 mass% of a biomass plasticizer (B) having a biomass carbon ratio (pMC%) of 10% or more.

This disclosure presents a method and application for preparing carbon black for rubber from biomass through multi-stage pyrolysis coupled catalytic graphitization, belonging to the fields of carbon black material preparation and green tire manufacturing technology. The method includes selecting agricultural and forestry waste biomass rich in cellulose, hemicellulose, or lignin, washing with deionized water, acid washing, isothermal drying, and then mechanically pulverizing to obtain biomass powder; subjecting the biomass powder to a first isothermal treatment in a protective atmosphere furnace, resulting in preliminary carbonization of the biomass to obtain a pre-carbonized product; mixing the pre-carbonized product with a catalyst precursor solution, drying, and then subjecting it to a second isothermal treatment in a protective atmosphere to obtain a catalytic reforming product; subjecting the catalytic reforming product to a third isothermal treatment to obtain a graphitized product; immersing the graphitized product in an inorganic acid solution with stirring, washing to neutrality, and drying to obtain carbon black for rubber. This method achieves precise control of the structure and surface chemistry of biomass carbon black.

The application belongs to the technical field of methyl red azo dye purification, and discloses a methyl red azo dye adsorbent with good adsorption performance on methyl red azo dye, and a preparation method and application thereof. The preparation method comprises the following steps: (1) preparing a first precursor solution and a second precursor solution; the first precursor solution contains melamine, and the second precursor solution contains cyanuric acid and / or barbituric acid; (2) sequentially adding the first precursor solution and the second precursor solution into biomass carbon powder to form a reaction liquid; under stirring, in-situ growth of a supramolecular aggregate is realized and the supramolecular aggregate is coated on the surface of the biomass carbon powder to form a solid-liquid mixture; the solvent in the solid-liquid mixture is removed, and the supramolecular composite precursor is obtained through drying; (3) pressure forming a mixture of the supramolecular composite precursor, a silicate clay mineral and a nickel salt into a green body; and (4) performing heat treatment on the green body to obtain the methyl red azo dye adsorbent.

The application provides a coffee residue-based carbon negative electrode material and a preparation method and application thereof. The preparation method comprises the following steps: S1, performing first drying treatment on coffee residue to obtain a coffee residue precursor; S2, mixing the coffee residue precursor with iron powder to obtain a carbide precursor, and performing calcination treatment on the carbide precursor under an inert gas atmosphere to obtain a carbonization product; and S3, sequentially performing acid pickling treatment, suction filtration treatment and second drying treatment on the carbonization product to obtain a coffee residue-based negative electrode material. The preparation method in the above scheme solves the technical problems of low capacity and poor cycle stability of the biomass carbon material in the prior art.

The application discloses a kind of iron nitrogen-doped carbon-based catalytic materials based on waste and its preparation method and application, belong to zinc bromine flow battery technical field;The method is first to waste biomass carbon and waste iron slag is systematized pretreatment, including water washing ash removal, acid leaching purification and the like steps, then using temperature programmed pyrolysis technology, pretreated raw materials are mixed with nitrogen-containing reagent and pore-forming agent, high-temperature pyrolysis is carried out under protective atmosphere, and iron nitrogen-doped carbon-based catalytic material with rich Fe-N-C active site and high specific surface area is obtained;The catalytic material is made into slurry with conductive agent and binder, coated on the positive side surface of zinc bromine flow battery carbon plastic bipolar plate, and dried and solidified to form a catalytic layer.The catalytic layer can effectively promote the redox reaction kinetics of bromine / bromide electrode pair, improve the rate performance and cycle stability of the battery.The application realizes the high-value utilization of waste resources, reduces the production cost of catalyst, and has good economic benefit and environmental benefit.

The application relates to the technical field of material preparation, in particular to a supported metallocene catalyst and a preparation method and application thereof. The supported metallocene catalyst comprises a modified biomass carbon carrier and an active component; the active component comprises a metallocene compound and a cocatalyst component; the preparation method of the modified biomass carbon carrier comprises the following steps: preliminary drying of biomass carbon in a nitrogen atmosphere at 105 DEG C to 160 DEG C for 2 h to 4 h; adding a weak acid, stirring for 24 h to 48 h, then standing for 5 h to 12 h, removing the supernatant to leave the precipitate; then, second drying is carried out in a nitrogen atmosphere. The biomass carbon material can be flexibly adjusted in a large range in specific surface area and pore volume and pore size by changing the preparation conditions such as activation temperature and time, so that the demand of different polymerization reactions for the carrier can be better met, and the activity and selectivity of the polymerization reaction are remarkably improved.

The application provides a kind of biomass carbon load silicon nanowire composite material and its preparation method and purposes, the preparation method is by chemical activation method and physical activation method is combined, on the surface and inside of biomass material layer by layer etching, form multilayer biomass porous carbon material of different pore size, effectively improve the problem of incomplete etching or excessive etching of biomass porous carbon prepared by using single activator;The specific surface area of the prepared multilayer porous carbon is large, the void fraction is high, and the metal catalyst particles of different scales can be planted in the interior to play a grading role for large particle catalyst;Silicon nanowires are directionally grown in the carrier by catalytic growth, and the space network structure of this multilayer porous carbon can effectively withstand the volume expansion of silicon nanowires and inhibit the repeated growth of SEI film.

A composite lithium iron phosphate material, a positive electrode using same, and a lithium-ion battery. Raw materials for preparing the composite lithium iron phosphate material comprise an iron phosphate precursor, a lithium source and a carbon source. The carbon source coats the iron phosphate precursor and the lithium source to form the composite lithium iron phosphate material. The carbon source comprises a synthetic polymer carbon source and a biomass carbon source; and the biomass carbon source comprises carbon fibers.

This invention discloses a method for detecting malachite green residues in food based on a ratiometric fluorescent paper-based sensor using titanium carbide quantum dots and biomass carbon quantum dots. First, titanium carbide quantum dots and biomass carbon quantum dots are prepared. Then, a Ti3C2MXene / biomass quantum dot ratiometric fluorescent probe is prepared. Based on this, a Ti3C2MXene / biomass quantum dot ratiometric fluorescent paper-based sensor (filter paper chip) is constructed. A linear equation for the working curve of malachite green concentration is established. Finally, the pretreated sample solution is dropped onto the ratiometric fluorescent filter paper chip. After drying, the paper chip is photographed using a mobile phone under a 365 nm UV analyzer. The RGB values ​​of the paper chip are extracted using smartphone color recognition software. The obtained R value is substituted into the linear equation of the working curve to obtain the malachite green concentration in the sample. The titanium carbide quantum dot / biomass carbon quantum dot ratiometric fluorescent paper-based sensor and malachite green concentration detection method disclosed in this invention are sensitive, accurate, and rapid.

The application belongs to the technical field of energy storage batteries, and particularly relates to a cathode composite material applied to a lithium-indigo energy storage battery and a preparation method and application thereof. The preparation method is that biomass carbon source, nitrogen source, pore-forming agent and iron-cobalt salt are mixed, a porous carbon material is constructed through ball milling, drying and high-temperature calcination, and a cathode active substance is compounded with the porous carbon material through a high-temperature melting method. The Fe-Co nano-alloy catalyst is integrated into the porous biomass carbon skeleton, the problems of poor conductivity of the organic electrode material, slow reaction kinetics and dissolution of the active substance are solved, the nano-alloy catalyst and the biomass carbon are used to jointly construct an efficient conductive network, the electron transmission is accelerated, the indigo-based compound is loaded through the high-temperature melting method, the dissolution of the indigo-based compound is inhibited, and the cycle stability of the battery is improved.

The application discloses a biomass carbon source injection device and method suitable for electric arc furnace steelmaking and belongs to the technical field of low-carbon steelmaking manufacturing. The injection assembly comprises an inner sleeve and an outer sleeve which are arranged in a sleeved mode; a first channel is formed between the inner sleeve and the outer sleeve; a second channel is formed in the inner cavity of the inner sleeve; and a coating space is formed between the end portions of the inner sleeve and the outer sleeve. The coating gas forms a high-speed rotating airflow in the first channel, and then the rotating airflow is used for coating the biomass carbon source entering the second channel, so that a bundled gas-solid jet flow is formed, and finally the bundled gas-solid jet flow passes through the outlet end of the outer sleeve, penetrates through a molten slag layer and enters a molten steel pool.