189results about How to "Realize industrial scale production" patented technology

A process for preparing the array of monosilicon nano wires arranged monoaxially includes such steps as washing silicon chip, chemical plating to deposit a nanofilm of Ag or Au on its surface, immersing it in the mixed solution of hydrofluoric acid, iron (or magnesium or nickel) nitrate or H2O2 in a sealed container, baking at ordinary temp-60 deg.C, cooling, rinsing in deionized water, and drying in air.

Production of unsaturated fatty acid plant sterol ester is carried out by alcoholysis reacting for glycerin trilaurate of vegetable oil under action of methanol and catalyst to obtain fatty acid methyl ester, ester exchange reacting for fatty acid methyl ester and plant sterol under action of catalyst, removing un-reacted methanol and fatty acid methyl ester to obtain crude unsaturated fatty acid plant sterol ester, de-coloring and deodorizing to obtain the refined final product. It's cheap, harmless and non-toxic and can be used in food-industry production.

A DC arc plasma equipment for preparing micron-class and nanometre-class powder lot (SiO2, U3Si2, Sb2O3, etc.) and its process are disclosed. Its advantages are long service life (50-100 hr for cathode and 50-200 hr for anode), higher heat efficiency, controllable granularity and continuous production.

The invention discloses a full-automatic control multifunctional solid-state fermentation tank, comprising a round vertical fermentation tank main body and a fermentation control system, wherein a loading auger is arranged at one side of the upper end of the fermentation tank main body; multiple clapboards are arranged in the fermentation tank main body; a high-material-bed material level automatic control device is arranged in each fermentation layer; a sterile air distribution system is arranged in each fermentation layer and is connected with a sterile air generation tank positioned at the outer side of the fermentation tank main body; a main shaft is rotationally arranged in the fermentation tank main body; and the upper ends of the clapboards are provided with stirring blades. The full-automatic control multifunctional solid-state fermentation tank disclosed by the invention integrates eight functions including dry material mixing, watering material mixing, steam sterilization, inoculation, automatic fermentation control, low-temperature drying, raw material crushing, automatic discharging and finished product smashing, and enables all operations of solid-state fermentation to be completed in a multifunctional biological solid-state fermentation tank; and by virtue of the equipment disclosed by the invention, the fermentation and production preparation processes of solid biological products can be continuously completed.

The invention relates to a multifunctional biological solid fermentation tank. The main body structure of the fermentation tank is a horizontal propeller, and spiral auger propeller blades are installed below the tank bottom. An auger is directly communicated with steam for sterilizing form the bottom of the tank and communicated with air for cooling, a spray tube on the upper part of the tank body sprays bacterial liquid for inoculation and can also spray water mist for humidity regulation, and thus, uniform inoculation and humidity control can be realized. The unique tank body horizontal type propeller and the auger coordination system below the tank body are utilized, and the circular flowing and the thorough mixing of a solid material in the tank body during fermentation are realized by controlling the rotating speed and the rotating direction; stirring nonuniformity caused by using a motor to rotate forwards or backwards repeatedly is avoided, automatic material discharge can be realized after fermentation, and material discharge is clean and complete. The operations of sterilization, cooling, inoculation, fermentation, temperature control, humidity control, ventilation, vacuum drying and the like required by solid fermentation can all be completed in the biological solid fermentation tank. The biological solid fermentation tank has the advantages of hardly no bacterial contamination, small occupied space, high automation degree, labor saving, investment saving and the like.

The invention belongs to the field of materials for lithium ion batteries, and discloses a nitrogen-doped carbon-coated manganous-manganic oxide composite material, as well as a preparation method andapplication thereof. The preparation method comprises the steps of dissolving manganese acetate and ammonium bicarbonate into ethylene glycol, carrying out solvent heat treatment at the temperature of 180 to 220 DEG C, and obtaining manganese carbonate; reacting with dopamine hydrochloride, and obtaining a manganese carbonate / polydopamine composite material; then calcining under an inert atmosphere, and finally oxidizing in a muffle furnace to obtain the nitrogen-doped carbon-coated manganous-manganic oxide composite material. The preparation method provided by the invention is simple and lowin cost; the prepared nitrogen-doped carbon-coated manganous-manganic oxide composite material is stable in structure and good in electrical conductivity, and has excellent rate performance and cyclic stability when being used as a lithium ion battery cathode material.

A preparation method for alginate oligosaccharides includes following steps: adding the water to the alginic acid or metal salt or the produced high mannuronic acid, high guluronic acid section to dissolve or disperse in the water, adding it to the oxidant solvent in a radiation condition, heating the solution to 60-80 DEG C for 4-50 minutes, then cooling the solution, concentrating the solution by nanofiltration film, drying the concentrated liquid by spray. The invention improves the product quality by preventing the product over-oxidation by the radiation assistance in a lower temperature; effectively reduces the dosage of the oxidant by controlling the product degree of polymerization distribution in a low reaction temperature; avoids using organic solvent, reduces the product costs and saves the cost by nanofiltration film separation technique and spary drying technique which can be achieve the industry mass production. Therefore, the method has a practical application value.

The invention discloses a method and equipment for preparing lithium iron phosphate from a lithium iron phosphate precursor. The method comprises the three process steps of pretreatment of the lithium iron phosphate precursor material, pre-sintering and sintering; and in a non-oxidizing environment, the precursor material is heated by a certain number of microwave heaters, and the three process steps are finished by controlling treatment temperature and treatment time to finally prepare the lithium iron phosphate product. The equipment comprises a material inlet, a material feeding ventilation chamber, a pretreatment unit furnace, a pre-sintering unit furnace, a sintering unit furnace, a material discharging ventilation chamber, a cooling material discharging mechanism, a material outlet,a vacuumizing device, a protective gas input device and an equipment control circuit. In the method, the pretreatment and pre-sintering process steps are added to optimize a lithium iron phosphate microwave sintering process and solve keys problems on product quality control. The equipment provided by the invention realizes continuous microwave sintering by a plurality of unit furnaces so as to improve the sintering efficiency and realize large-scale industrial production.

The invention relates to the field of solar batteries, in particular to a main-grid-free high-efficiency back contact solar battery module, an assembly and a preparing process. The solar battery module comprises a battery piece and an electric connecting layer, wherein the back light side of the battery piece is provided with an electrode P connected with a P type doping layer and an electrode N connected with an N type doping layer. The solar battery module is characterized in that the electric connecting layer comprises a penetrating hole and a conducting wire, the conducting wire is respectively arranged at the front side and the back side of the electric connecting layer, the front side conducting wire is electrically connected with any one electrode, the back side conducting wire is electrically connected with the other electrode through conducting media in the through hole, and the electric connecting layer is made of insulation materials. The solar battery module, the assembly and the preparing process have the beneficial effect that the low-cost hidden-crack-resistant high-efficiency and high-stability solar battery assembly capable of preventing emitting electrode P and emitting electrode N short circuit is provided.

The invention provides a modified polyaspartate polyurea coating as well as a preparation method and application thereof and relates to the technical field of novel coatings. The modified polyaspartate polyurea coating is mainly prepared from polyaspartate, a modifier and a curing agent, wherein the modifier comprises polysilazane, and the curing agent comprises isocyanate and / or a polymer of theisocyanate. According to the modified polyaspartate polyurea coating, a certain quantity of polysilazane and polyaspartate are bridged together by a tripolymer of isocyanate, so that the mechanical properties such as solvent resistance and hardness of a coating are effectively improved. Polysilazane has excellent mechanical properties, and therefore, polyurea resin with improved mechanical properties can be obtained after polysilazane is bridged on polyaspartate. The coating prepared from the polyurea coating has higher hardness, higher surface drying speed and excellent performances such as chemical resistance and wear resistance.

The invention relates to a device and a method for reducing hematite-containing materials by utilizing microwave heat treatment and carrying out magnetic separation. The device comprises a material bin, a screw feeder, a star type feeding machine, a preheating reacting furnace and a microwave magnetic separator. When the magnetic separation is carried out, the materials are crushed and then added to the material bin, powdery materials enter the preheating reacting furnace through the screw feeder and the star type feeding machine for preheating, and the preheated powdery materials enter the microwave magnetic separator through an air inlet pipe for the microwave heat treatment and the magnetic separation; products subjected to the magnetic separation are discharged through an ore discharge pipe from a discharge port, and other materials are discharged through an outlet pipe from the discharge port. The device disclosed by the invention can be used for reducing the weak magnetic Fe2O3 contained in the materials into strong magnetic Fe3O4 through the microwave heating and separating the iron ore concentrates through the magnetic separation, integrally and simultaneously carries out the reduction and the magnetic separation, has the advantages of small investment, low energy consumption, large treatment quantity, water saving, no air pollution, wide application range and relatively popularization prospect, is simple in equipment, and can be used for treating multiple hematite-containing materials which include ores, such as steel slag, low-grade limonite and iron ores.

The present invention discloses a method of refining Sb by vacuum distillation and its equipment. The industrial stibium is broken up, added to crucible and then placed it into the evaporator of vacuum re-distillation furnace. Start heat installation, vacuum mechanical pump and diffuse pump by turns to fuse Sb in order to form steam of Sb. At the function of vacuum mechanical pump and diffuse pump, the stream raised by the hole of column tray. Impurities whose boiling point is higher than Sb will stay in the crucible. Because there is a part of condensation between two column tray of the condenser, Sb crystallizes in different parts of condensation by terns as the steam ascend The Impurities whose boiling point is lower than Sb stream will continually ascend continually. The temperature of collector is about 12 - 150 Deg. C so that all the impurities vapor will be inside it, and we can get the purpose of purification. This invention doesn't need to distill for many times and add other chemicals, and can purify Sb one-off. The techniques is simple, and the quality is steady. The production can get the purity of more than 99.99%.

The invention discloses a fried green soyabean which comprises ingredients in portions by weight: 30-35 portions of green soyabeen, 5-10 portions of fine white sugar, 5-10 portions of spice, 2-5 portions of garlic powder, 2-5 powder of beef powder, 2-5 portions of sesame seeds powder, and 2-5 portions of red chili powder. The invention simultaneously discloses a manufacturing method of the fried green soyabean. The fried green soyabean is unique in flavor and is crispy, sweet and spicy; and the manufacturing method of the fried green soyabean realizes the industrial scale production, and the produced product is crispy and delicious, is good in stability, provides new selection for the fried green soyabean, and promotes the development of the fried green soyabean.

The invention discloses a high-hardness high-conductivity cooper-carbon composite and a preparation method thereof. According to the method, graphite powder is evenly sandwiched between completely annealed and degreased pure copper plates of which oxidation films are removed, and then the copper plates are subjected to continuous accumulative rolling for many times. Under the action of rolling force, graphite particles are crushed and refined, layers in graphite are gradually separated, and a graphene structure having a remarkably strengthening effect is formed. With increase of rolling passes, carbon (including graphite and graphene) are not only dispersed in a surface parallel to the rolling direction along with lengthening of a sample in the rolling process, but also rapidly dispersed in the thickness direction of the sample. In the accumulative rolling process, copper base bodies generate a strain strengthening effect, so that the uniform high-hardness high-conductivity cooper-carbon composite is obtained finally. The composite has good hardness and comprehensive conductivity. The hardness of the composite can be 3.3 times that of pure copper, and the conductivity of the composite is higher than 90% IACS. The method is simple is preparation process, low in cost and beneficial to large-scale industrial application.

The invention relates to preparation and application of catalysts and aims at providing preparation and application methods of a Cu-Ni-based catalyst for reversed water gas reaction. The preparation method comprises the following steps: dissolving soluble copper salt and soluble nickel salt into a mixed solution of water and ethanol; adding a complexing agent and reacting under heating and stirring conditions to obtain CuNi hydrotalcite; drying and roasting to prepare CuNi mixed oxide with a nanotube structure; after carrying out reduction reaction in a mixed gas atmosphere of flowing H2 and Ar, naturally cooling to room temperature, so as to obtain the Cu-Ni-based catalyst. The complexing preparation method provided by the invention is simple and feasible; influences, caused by uncertainfactors in a preparation process, on the structure and performance of the catalyst are avoided. Active components of the catalyst comprise copper and nickel and any noble metal is not used so that thepreparation cost of the catalyst is relatively low, and industrial large-scale production of the catalyst is easy to realize. The catalyst can be used for a CO synthesis technology and is further connected with a CO hydrogenation catalyst in series to produce alcohols and hydrocarbons with high additional value, so that the catalyst has an application prospect.

The invention provides a preparation method of phytosterin ester rich in oleic acid, which comprises the following steps: firstly, leading seed fat rich in oletic acid and ethanol to perform alcoholysis reaction under the action of catalyst to obtain fatty acid ethyl ester rich in oleic acid; secondly, leading the fatty acid ethyl ester rich in oleic acid and phytosterin to perform the ester exchange reaction under the action of the catalyst, and removing unreacted ethanol and redundant fatty acid ethyl ester so as to obtain crude phytosterin ester rich in oleic acid; thirdly, obtaining primrose yellow to white thick fluid by decoloring the phytosterin ester, i.e. refined phytosterin ester. The oleic acid content of the seed oil is more than 60 percent; and high-content oleic acid reduces the side reaction and improves the yield of the phytosterin ester. The preparation method does not use deleterious organic solvent and produce deleterious materials during the whole preparation, has lower requirement on reaction condition, and is suitable for industrial mass production of food.

The invention discloses a method for industrially producing carbon fluoride materials. A carbon raw material is in sufficient contact with a fluorinating agent for a reaction in a fluidized bed, and the carbon fluoride materials with different fluoride contents are generated; after purification and drying, carbon fluoride material products with different fluoride contents are obtained, wherein thefluoride contents are within the range of 3-66%. Compared with a synthesis method in the prior art, the production method can achieve industrial scale production of the carbon fluoride materials, andbesides, the production method is simple in technology process, high in reaction efficiency, low in production cost and uniform in product quality. The obtained carbon fluoride material products aremainly applied to anode materials of lithium ion batteries, high-end solid lubricant materials, filler of high-end coatings, oil absorption materials and the like.

The invention provides a fly-ash-ceramic-tile raw material, a fly-ash ceramic tile and a preparing method of the fly-ash ceramic tile. The fly-ash-ceramic-tile raw material is prepared from 70-92 parts by weight of fly ash and 8-30 parts by weight of an additive; the additive comprises a plasticizer, a reinforcing agent and a fluxing agent; the plasticizer is selected from one or more of water glass, bentonite and lignosulfonate; the reinforcing agent is selected from one or more of mineral powder, quartz powder, silica fume and perlite; the fluxing agent is albite and / or potassium feldspar. The added amount of the fly ash in the ceramic-tile raw material is greatly increased, a blank prepared from the raw material is high in strength, not prone to fragmentation and capable of conducting actual large-scale production and breaking a limitation of the using amount of past fly ash. By means of the preparing method, a ceramic tile product with the fly ash as the body material can be prepared, the preparing process is simple, actual production is easy to conduct, and actual large-scale production can be achieved.

The invention discloses a large-scale preparation method of a recombinant staphylococcus aureus vaccine. The method comprises the following steps: opening a protein working seed lot, inoculating the protein working seed lot strain in a conical flask, inoculating first-generation production strain in a seeding tank, performing continuous second-generation cultivation, inoculating the second-generation production strain in a fermentation tank, and performing continuous third-generation cultivation; centrifugally removing supernate from a bacterial solution through a continuous flow after fermentation is completed; and performing bacterium body dissolving and bacterium disruption; performing combination, washing the mixture after combination is completed, performing digestion, purifying the protein digestion solution by adopting a chromatographic column and performing desalination, endotoxin removing, sterile filtration and storage. The preparation method is simple and can be used for preparing recombinant staphylococcus aureus vaccine in a large scale.

The invention discloses a preparation technology method capable of improving the sprouting efficiency, active component content and anti-oxidization activity of black barley. The preparation technology method comprises the following steps: screening seeds; washing the seeds with clean water; disinfecting the seeds with sodium hypochlorite; washing the seeds with sterile water; immersing the seedswith hydrogen-rich water; culturing and sprouting. According to the preparation technology method disclosed by the invention, the seeds are immersed and wetted by the hydrogen-rich water; under the condition that the sprouting temperature of the black barley is relatively low, relatively high germinating potential, germinating rate and growth speed are obtained within short time. Compared with common sprouting conditions, the nutritional and active components and the anti-oxidization activity of the sprouted black barley are remarkably improved; the content of free plant phenolic acid, free polyphenols, calcium and iron of the sprouted black barley treated by the hydrogen-rich water is remarkably increased. The preparation technology disclosed by the invention is simple in preparation process and easy to operate and industrial large-scale production is easy to realize.

The invention discloses polysiloxane block specific end-capped copolycarbonate and a preparation method thereof. Random copolycarbonate consists of a polycarbonate block, a polysiloxane block and a specific end capping structure. As a proper amount of eugenol end-capped polysiloxane is introduced into a main chain, the specific end-capped copolycarbonate is high in mechanical property; meanwhile, by the adoption of triclosan for end capping, the specific end-capped copolycarbonate is excellent in antibacterial performance, has actual application value and can meet the demand of modern scientific development for material performance.

The invention provides an efficient synthetic method for a series of spinel nanostructured materials and relates to nanostructured materials. The efficient synthetic method comprises the steps that soluble salts of A and B are dissolved in an alcohol solvent and stirred, and a mixed solution is obtained, wherein A is one of Mg, Zn, Ni, Co, Ca and Cu, B is one of Al, Si, Cr, Bi, Fe and Ga, and the soluble salts adopt nitrates or chlorides; the mixed solution is transferred into an autoclave for a reaction, a precursor is obtained through centrifugation, and the series of spinel nanostructured materials can be obtained after calcination. The method has remarkable advantages in low-cost massive synthesis, and is wide in application range and suitable for synthesizing different kinds and morphologies of spinel and spinel-like nanomaterials, and product purity is high. Cheap and safe raw materials and simple synthesis steps are adopted, a reaction device is simple, and a reaction solvent can be recycled.

The invention relates to a method of preparing battery-grade high-purity manganese sulfate by utilizing low-grade manganese ore. The method includes adding the low-grade manganese ore, pyrite and industrial sulfuric acid into a leaching tank, performing chemical leaching, performing solid liquid separation to obtain a primary manganese sulfate solution, then adding manganese dioxide into the primary manganese sulfate solution, adjusting the pH value of the solution, then performing solid liquid separation to obtain a secondary manganese sulfate solution, adding ethyl thiocarbamate, manganese fluoride, polyacrylamide and polyaluminum chloride into the secondary manganese sulfate solution, stirring the mixture for a certain period of time, performing solid liquid separation to obtain a purified manganese sulfate solution, adding the purified manganese sulfate solution into a crystallization kettle, performing concentration and crystallization, then performing solid liquid separation to obtain a wet manganese sulfate semi-finished product, and drying the wet manganese sulfate semi-finished product to obtain the battery-grade high-purity manganese sulfate. The method is simple in process and easy to operate. Addition of a large amount of agents is not needed in a preparing process. Secondary pollution to the environment is avoided and the production cost is low.

The invention belongs to the field of composites and particularly relates to a preparation method of zinc oxide particle strengthened aluminum-based composite. Zinc oxide is ultrasonically dispersed and evenly applied between pure-aluminum plates that are subjected to full annealing, oxide film removal and degreasing, and the pure-aluminum plates are then subjected to multiple continuous accumulative rolling; a rolled sample is then subjected to discharge plasma sintering process; through strain strengthening and refined crystalline strengthening of the accumulative rolling process and particle strengthening of zinc oxide strengtheners, the composite finally produced has high microhardness about 2.1 times as high as that of an original pure-aluminum sample and also has high heat conductivity and low thermal expansion coefficient. The preparation method has low cost and good safety and reliability and is easy to perform, crystalline grains in the obtained aluminum-based nano composite structure are small, and the nano zinc oxide strengthening phase is evenly distributed with no evident clustering.

The invention relates to the field of solar cells, in particular to a high-efficiency back contact solar cell back sheet without main grids, a high-efficiency back contact solar cell assembly without main grids and a manufacturing technology of the high-efficiency back contact solar cell assembly. The back contact solar cell back sheet is characterized by sequentially comprising an electric connection layer and a basic layer from top to bottom, the electric connection layer and the basic layer are connected through adhesive, and the electric connection layer comprises two or more finger-shaped electrodes, all the finger-shaped electrodes are alternatively arrayed in an interdigital shape, and the electric connection layer is used for being connected with a back contact cell piece. The back contact solar cell back sheet has the advantages of being high in efficiency and resistant to subfissure, shading losses of grid line electrodes on the front face are eliminated, and therefore the cell efficiency is improved; the cell can be sheeted, and therefore the cost is lowered; practicability is higher, and the back contact solar cell back sheet is generally suitable for an MWT structure, an EWT structure, an IBC structure and other structures.

The invention belongs to the technical field of food processing and discloses nutrition-balanced instant health-preserving rice and a preparation method thereof. The health-preserving rice is prepared from the following raw materials in percentage by mass: 20-25% of rice, 3-8% of millets, 3-8% of soybeans, 5-8% of corn grains, 5% of Chinese yams, 5% of coix seeds, 5% of wheat, 5% of bearded tooth mushroom, 5% of carrots, 5% of cassava, 4% of euryale ferox seeds, 3% of kudzuvine roots, 2% of poria cocos, 2% of walnut kernels, 1% of dried orange peels and 20-23% of water. The preparation method of the nutrition-balanced instant health-preserving rice comprises the following steps: crushing the raw materials; mixing the crushed materials and conditioning the mixed materials; carrying out extruding so as to granulate the conditioned material; carrying out baking so as to shape the granules; and cooling the shaped granules and packaging the cooled granules. The health-preserving rice satisfies the basic requirements of 'diversified foods on basis of cereals' in the Dietary Guidelines for Chinese Residents, and is free of addition of any chemical additives. The health-preserving rice can be eaten after being brewed with hot water of which the temperature is 80 DEG C or above for three minutes; and the brewed health-preserving rice is similar to a rice porridge, and is golden in color and luster, refreshing in taste and mutually complementary in nutrients. The nutrition-balanced instant health-preserving rice is a meal-replacement food suitable for modern sub-healthy populations, and has wide market prospects and promotion values.

The invention relates to a self-microemulsion dutasteride orally-taken preparation and a preparation method thereof. The self-microemulsion composition comprises the following components in percent by weight: 0.05%-0.3% of dutasteride, 5%-75% of oil, 20%-60% of an emulsifier and 4%-50% of a co-emulsifier. After being cured, the self-microemulsion auxiliary materials can be prepared into preparations such as tablets or capsules; after being quickly disintegrated in a stomach, the preparation can be form emulsion drops with average grain size of 10 nm-100 nm in a gastrointestinal tract after being self-microemulsified, so that solubility and dissolution rate of the dutasteride can be improved, and absorption of the dutasteride in the gastrointestinal tract can be promoted.

The invention belongs to the technical field of food processing, particularly relates to an industrial production process of spiced and smoked eggs, and solves the problems that at present, eggs are difficult to industrially produced and have a simplex mouth feel. The industrial production process comprises the following steps: 1, selecting fresh poultry eggs; 2, selecting the eggs with uniform and clear egg whites and egg yolks through irradiation; 3, cooking the eggs well; 4, deshelling; 5, spicing and pickling: adding natural spices, salt, white granulated sugar and soy sauce into water to pickle the eggs till being sufficiently spliced; 6, smoking: putting the spliced eggs into a smoking furnace, heating to 95 DEG C, and smoking the eggs for 1 hour, overturning up and down, then adding fruit wood chips and white granulated sugar into fuel, smoking for 40 minutes, exhausting smoke, cooling, and taking out the eggs; 7, packaging the eggs. The spiced and smoked eggs processed by the industrial production process integrates characteristics of leisure, sanitation, convenience and nutrition; the finished eggs have no fishy smell and have natural spiced flavor deep into the egg yolks; the spiced and smoked eggs have certain hardness, and are elegant and decent after being cut by a knife, have a nice chewing feel when being put into a mouth, and are more fragrant after being chewed for multiple times; the industrial production process is applicable to modern industrial production; by the industrial production process, the shelf life of products is prolonged; the spiced and smoked eggs are convenient food for people to eat at home, visit friends and relatives, and eat during a travel.

The invention discloses a shuttle-shaped zinc ferrite / carbon lithium ion battery nanometer composite negative electrode material and a preparation method and an application thereof. The composite negative electrode material adopts a shuttle structure, and is formed by a carbon framework and secondary zinc ferrite nanoparticles in a composite manner, wherein the zinc ferrite accounts for 60-90mass%of the zinc ferrite / carbon lithium ion battery nanometer composite negative electrode material; the preparation method comprises the steps of taking an organic metal framework as a linker and a carbon source, performing mixing with a metal salt to be subjected to a hydrothermal reaction, and performing centrifuging, washing and drying to obtain a precursor; and next, performing an annealing reaction to obtain the shuttle-shaped zinc ferrite / carbon lithium ion battery nanometer composite negative electrode material. The prepared shuttle-shaped zinc ferrite / carbon lithium ion battery nanometercomposite negative electrode material is stable in structure, high in conductivity, and shows excellent cycle stability and rate capability when the material is used as the lithium ion battery negative electrode; and in addition, the method is simple in operation, convenient to control, low in cost, environment friendly, and suitable for industrial large scale production and capable of realizing actual application of the lithium ion battery.