94results about How to "Improve pulverization" patented technology

The invention discloses an environment-friendly diatom ooze composite and a preparation method thereof, and belongs to the technical field of composites for buildings. The environment-friendly diatom ooze composite is prepared from, by mass, 30-50% of diatomite, 3-12% of heavy calcium powder, 8-20% of quartz sand, 10-15% of pH conditioning agents, 6-10% of calcined kaolin, 4-10% of talcum powder, 5-10% of sepiolite, 2-5% of pigments, 2-4% of pregelatinized starch, 1-3% of hydroxypropyl methyl cellulose, 1-2% of dispersible latex, 1-2% of starch ether, 0.5-2% of sodium tripolyphosphate, 0.5-2% of sodium hexametaphosphate, 0.5-1% of polyvinyl alcohol, 0.1-0.5% of guar gum and 0.1-3% of nanometer titania. The preparation method is simple and easy to construct, and the diatom ooze is porous matter, can adsorb and decompose hazardous substances such as methanal and methylbenzene and has the functions of regulating humidity and removing peculiar smell.

The invention relates to natural stone paint, which comprises components of the following weight percentage: 3 percent of deionized water, 4 percent of hydroxypropyl methyl cellulose solution of 2 percent, 0.3 percent of F111 defoamer, 0.8 percent of film-forming additive, 0.1 percent of sterilization preservative, 0.2 percent of AMP-95 multi-functional additive, 15 percent of silicone acrylic emulsion, 76 percent of quartz sand (40-120-mesh) and 0.6 percent of thickener. The quartz sand of different particle sizes are used as fillers, the simulation effect of the stone paint can reach the ideal state due to the reasonable ratio, and the effects of true stones can be achieved. Since the silicone acrylic emulsion and the AMP-95 multi-functional additive are mixed, the produced coating has excellent weathering resistance, light resistance and paint powdering resistance and also good water and whitening resistance, reserve viscosity resistance and alkali and salt precipitation resistance; and the optimal dispersion of the pigments can be achieved, the colors of the pigments can be improved, and the gloss of a paint film can also be improved.

The invention relates to a process for preparing a clean synergist for saving coal, desulfurization and cleaning coke. Active calcium oxide and magnesium hydrate are mixed and added with sodium carbonate, ferrosilicon powders, manganese dioxide, strontium carbonate and barium hydroxide in turn and finally added with active carbon and evenly mixed to prepare the clean synergist which comprises the following compositions in percentage by weight: 20 to 30 percent of the active calcium oxide, 9 to 12 percent of the magnesium hydrate, 12 to 20 percent of the sodium carbonate, 8 to 10 percent of active carbon, 12 to 15 percent of the ferrosilicon powders, 8 to 12 percent of the manganese dioxide, 3 to 5 percent of the strontium carbonate and 5 to 7 percent of the barium hydroxide. on the premise of unchanging the prior coal burning process and equipment of various boilers and the prior smoke exhaust process and equipment, the clean synergist of the process is only needed to add according to the physicochemical index of coal used by customers, thereby achieving the functions of saving the coal, the desulfurization and cleaning the coke.

Provided is a water- and oil-repellent agent that is an aqueous dispersion containing (A) a non-fluoropolymer having repeating units derived from a non-fluorine (meth)acrylic acid ester monomer, (B) awax, (C) an aqueous medium, and (D) an emulsifyier, wherein said water- and oil-repellent agent exhibits exceptional water- and oil-repellent processing stability without using a fluoromonomer, or inparticular, a fluoroalkyl-group-containing monomer, by using a water- and oil-repellent agent, in which the non-fluorine (meth)acrylic acid ester monomer is a compound represented by the formula CH2=CA11-C(=O)-O-A12 (where A11 is a hydrogen atom or a methyl group and A12 is a linear or branched C18-30 hydrocarbon group).

The invention relates to a vertical steel slag pressure hot-disintegration still kettle and a slag processing method. The still kettle and the slag processing method with the still kettle adopted are included. The still kettle comprises a top cover (1), a cylinder body (2), water spraying devices (3), safety devices (4), a water drainage device (5), an exhaust voltage stabilizing device (6), a safety monitoring device (7), a guide device (8), a slag tank (9), a slag tank support (10) and a gas replacement device (11). According to the vertical steel slag pressure hot-disintegration still kettle, steel slag is processed in an airtight pressure container through waste heat of the steel slag, no external energy source is consumed, no dust is generated, and the still kettle is efficient and environment-friendly, and saves energy; and in the processing process, water does not make contact with the melted steel slag, the pressure container is equipped with the safety devices, and the vertical steel slag pressure hot-disintegration still kettle and the slag processing method are safe and reliable.

Solid N-acylalanines comprising one kind or two or more kinds of compounds, each containing an acyl group having a different number of carbon atoms, which is / are selected from the compounds represented by the formula (I): wherein R is a straight chain or branched chain, saturated or unsaturated acyl group having 8 to 22 carbon atoms, and M is a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium, an organic amine or a basic amino acid, and salts thereof, are useful as ingredients for cleansing compositions. Such solid acylalanines and salts thereof are superior in solubility, and are free of moisture absorption or caking during preservation and agglomeration on dissolution in water. Powder or granular cleansing compositions containing such a solid N-acylalanine or salt thereof as a main component (main cleansing component) afford cleansing agents which exhibit extremely excellent properties, are free from caking during preservation and coagulation in practical use, are superior in the basic performance of cleansing agents (lather characteristics), are free of slimyness and friction during use, and are safe with less irritation.

The object of the present invention is to provide a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries having a great charge-discharge capacity, high charge-discharge efficiency, and an excellent charge-discharge cycle characteristic.The object can be solved by a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries, characterized in that an average (002) interlayer spacing d002 determined by X-ray diffractometry is 0.365 to 0.400 nm, a specific surface area determined by a BET method is 1 to 7 m2 / g, an average diameter is 5 to 25 μm, a value of (D90−D10) / D50 is 1.05 or less, and an exothermic peak does not emerge at a temperature range of 620° C. or less in differential thermal analysis measured in an air atmosphere.

The invention relates to self-pulverization clinker indirect cooling equipment for fly ash limestone calcined alumina. The self-pulverization clinker indirect cooling equipment for the fly ash limestone calcined alumina comprises a cooling machine body, an air inlet channel, an air blower and an air outlet channel. The cooling machine body is provided with a plurality of cooling modules, the cooling modules comprise a plurality of cooling pipes, the cooling modules are arranged in parallel in the vertical direction, the cooling pipes of all of the cooling modules are communicated with one another, the cooling module at the lowest end of the cooling machine body is connected with one end of the air inlet channel, the air blower is connected with the other end of the air inlet channel, the upper end of the cooling module at the top end of the cooling machine body is connected with one end of the air outlet channel, and the other end of the air outlet channel is communicated with the external world. The self-pulverization clinker indirect cooling equipment for the fly ash limestone calcined alumina has the advantages that efficient indirect cooling is adopted, no dust is discharged, the time of clinker in a cooling machine is long, material pulverization effects are good, the clinker moves slowly in the cooling machine, the equipment is small in abrasion and discharges no dust, cooling air can be recycled to serve as secondary air and third air, moving parts are small, faults are few, and maintenance workload is small.

The invention particularly provides a really stone paint which not only comprises a pH regulator, but also comprises the following components in percentage by mass: 17.82 percent of water, 0.30 percent of hydroxyethyl cellulose, 0.06 percent of concentrate 168, 0.06 percent of an enhancer, 0.06 percent of a stabilizer, 9.90 percent of emulsion, 0.50 percent of a coalescing agent and 71.30 percent of quartz sand. A method for preparing the really stone paint comprises the following steps: adding water into a mixing tank, sequentially adding the hydroxyethyl cellulose, the concentrate 168, the enhancer, the stabilizer, the emulsion and the coalescing agent in a stirring state and uniformly stirring; then adding the quartz sand, uniformly stirring and regulating the viscosity; regulating the pH value to be 8 by the pH regulator and after the product is checked to be qualified, packaging. The really stone paint has excellent weather resistance, light resistance and pigment pulverization resistance, has outstanding water whiting resistance, after-tack resistance, alkali burnout resistance, and salt resistance and excellent adhesive force and cohesive force; the color rendering property of the paint is improved and gloss of a paint film is improved.

The invention discloses selenium-rich health dried beancurd sticks which are prepared from the following raw materials: soybeans, black soybeans, selenium-rich goat milk, broccoli, euscaphis japonica, exochorda racemosa leaf, fructus camptothecae acuminatae, ophicslcite, spice, selenium-rich maltose, salt, laminarin, udo oil and selenium-rich tea polyphenol. The selenium-rich health dried beancurd sticks disclosed by the invention have the advantages of easiness in rehydration, delicate mouthfeel, chewy property, elasticity, rich aroma, light yellow color, balanced nutrition, rich organic selenium, easiness in absorption and comprehensive healthcare functions, and realizes the functions of removing toxin, nourishing liver and improving vision, protecting heart and cerebral vessels, resisting oxidation and aging, improving immunity and resisting cancer; the soybeans and black soybeans are ground and then soaked, thus quick precipitation of active ingredients is promoted, the dosage of soybeans is saved, and the cost is lowed; the extract of traditional Chinese medicines and spice is added, the beany flavor can be eliminated, and the marinated taste of the dried beancurd sticks is enhanced; through freeze drying of the dried beancurd sticks, lots of nutritional ingredients are maintained, and the rehydration is fast; and by adding the spice, the cooking process is simplified, and the time is saved.

The invention relates to a silicon carbon composite material. The silicon carbon composite material comprises a nanometer silicon core and a porous carbon shell, wherein the porous carbon shell is coated outside the nanometer silicon core, the porous carbon shell wraps the nanometer silicon core in a form of three-dimensional layer sheet pedal-shaped amorphous carbon, and a gap is formed between the porous carbon shell and the nanometer silicon core. The silicon carbon composite material has excellent electrochemical performance when used as a battery negative electrode material; and comparedwith a silicon raw material negative electrode material, the specific capacity and the cycle property of the silicon carbon composite material are remarkably improved, the specific area and the conductivity of the material can be substantially improved by a three-dimensional layer sheet pedal-shaped porous structure of the material, the strength and the flexibility of the material are improved, and the expansion problem of the silicon negative electrode is effectively solved. The invention also comprises a preparation method of the silicon carbon composite material.

A device for slag afterheat self-decomposition disclosed in the invention comprises: a slag afterheat self-decomposition pot body (1), an opening (2), a slag chute (3) for placing steel slags, a support (4) for arranging the slag chute, a track (5) for transporting slags, a water injector (6) arranged at the top of the inner wall of the body, a control device (7) arranged on the inner wall of thebody for controlling the process of self-decomposition. The method for slag afterheat self-decomposition comprises the following steps: the slag chute (3) with slags having certain temperature is putinto the slag afterheat self-decomposition pot body (1); cooling water is sprayed to the hot slags by the water injector (6) to make the surface of the slags split and generate cracks; certain pressure is built by steam followed by water spraying to make the slags further split and pulverized; the stabilization and pulverization treatments of the slags are realized in a short time by self-decomposition. According to the invention, the slags are treated by utilizing the slag afterheat in a sealing pressure container, with the advantages of no extra energy consumption, short processing cycle, good effect of pulverization, and fully decomposing free CaO in the slags. The treated slags have good stability and can be used in building materials, road and the like, so as to recycle the slags.

The invention discloses a pumice phenolic resin compound foam material and a preparation method thereof. The foam material is prepared from the following raw materials in parts by weight: 80 to 120 parts of phenolic resin, 40 to 50 parts of pumice powder, 3 to 5 parts of a surfactant, 5.5 to 8.5 parts of a foaming agent and 4 to 6 parts of a solidifier, wherein the phenolic resin is prepared from phenol, paraformaldehyde and an alkaline catalyst according to a mass ratio of (100 to 90): (60 to 50): (1.5 to 2.5). The pumice phenolic resin compound foam material disclosed by the invention has the following beneficial effects that according to the compound foam material, by the combination of an inorganic matter and an organic matter, the pulverization phenomenon of the material is greatly improved, and the toughness and the flame retardatncy are enhanced; the pumice powder is physically scattered into the compound foam material, so that the material is homogenized, and the compression strength is enhanced; and the preparation method is simple, the manufacturing cost is low, and batch production can be realized.

The invention discloses an environment-friendly diatom ooze composite material and a preparation method thereof, and belongs to the technical field of building composite materials. The composite material comprises, in weight percentage, 20-30% of diatomite, 18-20% of quartz powder, 20-27% of heavy calcium carbonate, 27-34% of talcum powder, 5-7% of re-dispersible latex powder, 0.5-0.7% of hydroxypropyl methyl cellulose, 0.5-0.7% of wood fibers, a proper amount of pigments and 0.5-2% of photocatalyst additives. The environment-friendly diatom ooze composite material is simple in preparation method and easy in construction, and the diatomite is porous substances, can adsorb and decompose harmful substances such as formaldehyde and methylbenzene and has the functions of conditioning humidity, removing odor and the like.

The invention discloses a high-efficiency pulverizer for pulverizing crops containing continuous fibers, relating to crop processing equipment. The high-efficiency pulverizer comprises a housing with a cylindrical body, and a rotor located in an inner cavity of the housing, wherein a rotating shaft is arranged at the center of the rotor, at least two rotating discs are arranged on the rotating shaft along the axial direction, the rotating discs are connected through a connecting rod, a hammer cutter for hammering and cutting a material is hinged on the connecting rod, and a strip-shaped through hole is formed in the rotating disc at the leftmost end along the radial direction, and a blade is arranged on one side, which is close to a feeding hole, of each rotating disc along the right side edge of the strip-shaped through hole. According to the high-efficiency pulverizer disclosed by the invention, by adopting a sub-step crushing method, the material is fed in the pulverizer from the feeding hole in the left side, and is firstly cut into slices by a cutter on the rotating disc, which is close to the feeding hole, and the continuous fibers in the material are effectively cut off; the slices enter the inner cavity of the pulverizer, and are further pulverized by the hammer cutter. The high-efficiency pulverizer is reasonable in structure, good in material cutting and hammering effects and high in pulverizing degree; the purpose of pulverizing the material with the continuous fibers is effectively achieved.

The invention provides a gold-rich beneficiation method for gold ores and gold waste ores. The gold-rich beneficiation method comprises the following steps that 1, coarsely crushing the waste ores until the maximum particle size is less than 120 mm, so that the coarse crushed ores are obtained; 2, the coarse crushed ores are screened to obtain first gold-rich ores in the particle size below 30 mmand to be sorted ores with the particle size more than 30 mm; 3, the to be sorted ores enables a X-ray sorting machine, the qualitative and quantitative analysis are carried out on the elements in theores to be sorted according to the wavelength and intensity of X rays, and the waste ores and second gold-rich ores are obtained after separating ; 4, the first gold-rich ores and the second gold-rich ores are finely crushed until the particle sizes are smaller than 12 mm, and ore grinding and grading is carried out on the obtained fine products; and 5, the flotation recovery ores are carried outon the obtained ore grinding grading products, and gold concentrate products and tailings are obtained by flotation. The method disclosed by the invention can be used for effectively improving the gold grade of the ores to be grinded in the plant, the ore grinding grading amount is reduced, the ore quantity of the sorting operation is reduced, and the discharge of the tailings is reduced.

The invention discloses an organic lithium-philic layer composite negative electrode taking a three-dimensional conductive carbon material as a substrate. The organic lithium-philic layer composite negative electrode is prepared by the following steps: firstly, performing surface oxidation modification treatment on the three-dimensional conductive carbon material; then carrying out amidation reaction on the modified three-dimensional carbon material and tetraamino phthalocyanine, and modifying the surface of the carbon material with the tetraamino phthalocyanine; and finally, carrying out high-temperature molten lithium deposition in a protective atmosphere to prepare the organic lithium-philic layer composite negative electrode. The lithium metal battery negative electrode material is subjected to multi-scale design, rich lithium-philic active sites are manufactured on a lithium deposition substrate material, interface lithium ion flow is dispersed by utilizing lithium-philic groups,uniform deposition / dissolution of Li < + > is guided, growth of lithium dendrites is effectively inhibited, meanwhile, structural stress change caused by a volume effect in a circulation process is reduced, and the lithium metal battery negative electrode material is obtained. And the safety and the cycle performance of the lithium metal negative electrode are effectively improved.

The invention provides a preparation method of a flower-like nickel sulfide material. The method comprises the following steps: dissolving a nickel source precursor nickel acetate into deionized water, adding ethanol for ultrasonic dispersion and then adding a precursor thiourea of a sulfur source and a surfactant for ultrasonic dispersion again to obtain a reaction liquid; transferring the obtained reaction liquid into a hydrothermal reactor for solvothermal reaction and controlling the temperature for reaction; and respectively washing the obtained reaction liquid with the deionized water and the ethanol, and then carrying out drying to obtain the flower-like nickel sulfide material. An electrochemical test proves that the obtained flower-like nickel sulfide material has excellent charge and discharge properties and cycling stability. An experiment proves that the specific capacitance of the material is 1350F / g at 1A / G charge and discharge currents; the preparation method has the advantages that reaction conditions are easy to control; the preparation technology is simple; the obtained product is good in uniformity; and industrial production of nickel sulfide is facilitated.

The invention discloses an aluminum alloy for hydrogen production by hydrolysis. The aluminum alloy is prepared from the components in percentage by weight: 80%-94% of aluminum, 2%-5% of gallium and 3%-16% of indium and tin, wherein the sum of contents of the aluminum, the gallium, the indium and the tin is not less than 90%, and a metallic compound InSn4 is formed by at least part of the indium and tin. The invention further provides a method for improving an aluminum alloy hydrogen production rate. According to the aluminum alloy for the hydrogen production by the hydrolysis and the method for improving the aluminum alloy hydrogen production rate, the metallic compound InSn4 is formed in the alloy with a certain components, thus oxide films formed on Al crystalline grains are more advantageous to be destroyed, and the hydrogen production rate is obviously improved.

The invention relates to an energy-efficient rotary cultivator. The energy-efficient rotary cultivator comprises a frame, a transmission system, a rotary cutter shaft and a cover casing, wherein multiple groups of rotary cultivation cutters are arranged on the rotary cutter shaft. Each rotary cultivation cutter is composed of a hoe cutter and a beating cutter, wherein the hoe cutter is formed by a cutter body and a vertical blade, the beating cutter is formed by a cutter handle and a soil beating block, and the cutter body of the hoe cutter is longer than the cutter handle of the beating cutter. The energy-efficient rotary cultivator is simple in structure. By adopting the combined adjustable rotary cultivation cutters on the basis of the original structure, the speed in feed pitch of soil cutting of the rotary cultivator can be effectively increased, the rotary cultivation depth is increased, and the problems of the low speed, the shallow rotary cultivation depth and the like of an existing rotary cultivator are solved. Accordingly, the energy-efficient rotary cultivator has the advantages of being high in soil block smashing degree, large in rotary cultivation depth, wide in application range and the like, and has a practical significance.

The invention discloses a crushing treatment device for waste plastics, and belongs to the technical field of mechanical equipment. The device comprises a conveying device, two cleaning devices, a rotary cleaning device, an extrusion device, a crushing device and a water receiving tank, wherein the conveying device is horizontally arranged on the ground, the two cleaning devices are symmetricallyinstalled on the side walls of the two ends of the conveying device, the water outlet end of each cleaning device faces the top of the conveying device, the rotary cleaning device is installed at thetop of one end of the conveying device, the extrusion device is installed at the top of the other end of the conveying device, the water receiving tank is horizontally arranged beside the conveying device, and the crushing device is arranged beside the water receiving tank. According to the crushing treatment device for the waste plastics, extrusion movement is carried out downwards through an extrusion plate, so that the plastics with different shapes can be extruded, the space occupied by the plastics is reduced, meanwhile, the plastics are convenient to crush, and the cleaning devices can clean other substances brought by the plastics, so that the later treatment is facilitated.

The invention belongs to the technical field of transformer iron core recovery, and especially relates to a scavenging agent used for transformer iron core insulating varnish, and a scavenging method.The scavenging agent is mainly prepared from trichloroethane, hexane, tetrachloroethylene, and trichloromethane. The scavenging method comprises following steps: a transformer iron core is immersed in the scavenging agent; after immersion, the transformer iron core is subjected to washing and drying so as to obtain the transformer iron core without insulating varnish. The scavenging agent is prepared from trichloroethane, hexane, tetrachloroethylene, and trichloromethane through mixing, the scavenging agent molecules obtained through mixing are capable of entering insulating vanish coating gaps, realizing full swelling of the insulating varnish on the iron core surfaces, realizing precipitation of the insulating varnish coating layers from the iron core laminated sheet surfaces, sheddingof the insulating varnish in the form of loose powder, and cleaning of the insulating varnish from the transformer iron core laminated sheet surfaces. The scavenging agent is prepared from the specific solvents through combination, is excellent in swelling performance, and is capable of eliminating insulating varnish on iron core laminated sheet surfaces completely.

The invention discloses a polypyrrole coated MoS2 / C composite material and a preparation method thereof. The preparation method of the composite material comprises the following steps: 1), dissolving sodium molybdate dehydrate and thiourea in ethanol, then adding polyvinylpyrrolidone, uniformly performing stirring, then putting the mixture into a high-pressure kettle, and carrying out heat preservation reaction at the temperature of greater than or equal to 150 DEG C to obtain hollow nanospheres assembled by MoS2 / C; and 2), uniformly mixing the hollow nanospheres assembled by MoS2 / C with an oxidizing agent, taking the obtained mixture as a raw material, taking pyrrole as a coating source, taking a high-pressure kettle as a reaction chamber, and carrying out heat preservation reaction under a heating or non-heating condition under the condition that the mixture and pyrrole are not in contact with each other, thereby obtaining a polypyrrole coated MoS2 / C composite material. The composite material is in a hollow spherical shape and has excellent Li<+> storage performance and reversible capacity, and the preparation method is simpler and more environmentally friendly.

The invention mainly relates to the technical field of ceramic tile processing, and discloses a self-cleaning ceramic tile. The self-cleaning ceramic tile is prepared from the following raw materials:52-54 parts of lithium-based montmorillonite, 33-35 parts of modified bentonite, 24-26 parts of talc powder, 15-17 parts of waste ceramics, 10-12 parts of lightweight calcium carbonate powder, 1.7-1.9 parts of nano titanium dioxide, 1.2-1.4 parts of nano anion powder, and 1.1-1.3 parts of a surface treating agent. The self-cleaning ceramic tile provided by the invention has high strength, strongwear resistance, glossiness of 64.3 degrees, good anti-fouling self-cleaning effects, increases types of ceramic tiles on the market, and meets the needs of consumers; the lithium-based montmorillonite, the modified bentonite and the talc powder are mixed, the mixed material is crushed, so that the pulverization degree of the raw materials is improved, and the strength and wear resistance of the ceramic tile are increased; and the lithium-based montmorillonite has better fluidity and adhesion, so that the flatness and glossiness of the ceramic tile can be improved, the strength and glossinessof the ceramic tile can be increased, and the ceramic tile grade can be improved.

The invention relates to weather-resistant paint for external walls and a preparation method. The weather-resistant paint for the external walls comprises components in parts by weight as follows: 5-10 parts of cellulose, 6-15 parts of wollastonite powder, 15-25 parts of calcined kaolin, 12-18 parts of a styrene-acrylic emulsion, 3-5 parts of a dispersing agent, 1-3 parts of an anti-settling agent, 2-5 parts of a mildew preventive agent, 0.5-1.5 parts of a defoaming agent and 25-35 parts of water. The weather resistance of the weather-resistant paint for the external walls is remarkably improved. In comparison with the prior art, the water resistance, the alkali resistance, the artificial weather aging resistance, the chalking resistance, the discoloration resistance and the stain resistance of the paint and the temperature fluctuation resistance of coating are remarkably improved.

The invention provides a lithium ion battery silicon-based composite negative electrode material and a preparation method thereof. The silicon-based composite negative electrode material is composed of silicon, silicon oxide, doped metal and a carbon material, the silicon and the doped metal are dispersed in a substrate formed by the silicon oxide, the surface of material particles is evenly coated with the carbon material, and the negative electrode material is in-situ nanoscale bulk phase doped metal; the doped metal is selected from one or more of fourth and fifth period transition metal elements and / or fourth and fifth main group metal elements; and the total mass of the silicon-based composite negative electrode material is 100%, the mass ratio of the doped metal is 3-12%, and the mass ratio of the carbon material is 1-10%. The metal is doped in the silicon monoxide, a part of lithium in the buffer layer is released through a reverse conversion reaction, agglomeration and growth of a silicon crystal region in a circulation process are inhibited, and the first coulombic efficiency, the multiplying power and the circulation performance of the negative electrode material are improved.

The invention discloses an instant spicy dried bean curd. The instant spicy dried bean curd is made from soybeans, purple yam, towel gourd, lemon, Reineckea carnea, elm fruit, Vitex negundo L., Herb of Ghostplant Wormwood, Astilbe chinensis, acetic acid bacteria, a spice, edible salt, maltose and a tea pigment. The instant spicy dried bean curd has the advantages of tender mouthfeel, high chewiness and elasticity, dense fragrance, spicy and tasty mouthfeel, light green color, balanced nutrition, easy absorption and comprehensive health functions, and can moisten lung, relive coughs, protect heart and cerebral vessels, prevent oxidation and ageing, enhance immunity, prevent cancers, keep youth and care skins; Chinese herbal medicines and soybean milk are boiled together to make components be fully fused, so the beany smell is eliminated; fruit and vegetable juices are fermented with the acetic acid bacteria, so absorption is promoted, the alkalinity and charges of the soybean milk are neutralized, aggregation deposition of proteins is promoted, the fruit fragrance is dense, the color of the dried bean curd is enriched, the strength of the dried bean curd is enhanced, and the dried bean curd is safe and healthy; and only a small amount of water is squeezed out, so the workload is saved, nutrition components are reserved, the water resource is saved, and the cost is reduced.

The invention relates to a composite negative pole piece, a preparation method thereof and a lithium ion battery. The negative pole piece comprises a current collector metal-metal lithium composite substrate and a carbon fiber-lithium-containing metal composite structure arranged on the current collector metal-metal lithium composite substrate. The carbon fiber-lithium-containing metal composite structure comprises a three-dimensional skeleton and lithium-containing metal, wherein the mass ratio of the three-dimensional skeleton to the lithium-containing metal is (1-18): 6. Gaps of the skeleton are filled with the lithium-containing metal. The three-dimensional skeleton comprises carbon fiber, a polymer, a surfactant and a toughening agent in a mass ratio of (60-80): (10-30): (1-5): (0-5).According to the composite negative pole piece, a three-dimensional skeleton is filled with metal lithium, the composite negative pole piece with light weight and high strength is obtained, stable and uniform deposition of metal lithium is facilitated under high current density, the integrity and uniformity of an SEI film are improved, the conditions of pulverization and lithium death of a lithium piece are improved, the growth of lithium dendrites can be inhibited to a certain extent, and meanwhile, the composite negative pole piece has good interface performance with an electrolyte.

The invention discloses a nanowire-containing multilayer composite thin film plated steel belt and a preparation method thereof. The steel belt is specifically applied to a battery outer shell material of a mercury-free alkaline battery, a lithium ion battery, a nickel-metal hydride battery and the like and also applied to the field of chemical industry, electrons, packaging, magnetic materials and the like. The preparation method comprises the following steps of: on one face of a steel belt serving as a substrate, plating a layer of micron-crystalline nickel as an outer bottom layer in a DC plating way, wherein the face corresponds tothe outer surface of a battery shell, plating a layer of micron-crystalline nickel serving as an outer middle layer in a pulse plating way, and plating a layer of nano-crystalline nickel-cobalt alloy layer serving as an outer surface layer in a pulse injection plating way; and on one face of the steel belt corresponding to the inner surface of the battery shell, plating a layer of micron-crystalline nickel coated layer as an inner bottom layer in the DC plating way; plating a layer of nanowire-containing nickle composite thin film as an inner middle layer in the pulse plating way, and plating a layer of nano-crystalline nickel-cobalt alloy layer as an inner surface layer in the pulse injection plating way. The steel belt prepared by the invention has the advantages of good corrosion resistance and pressing resistance.

The invention discloses an Al-Ga-In-Sn-Cu alloy for hydrogen production, a preparation method of the Al-Ga-In-Sn-Cu alloy and application to fuel cells. According to the Al-Ga-In-Sn-Cu alloy for the hydrogen production, the preparation method of the Al-Ga-In-Sn-Cu alloy and the application in the fuel cells, doping of Cu is used for reducing the amount of precious metals Ga and In, and thus the production cost is lowered; furthermore, the normal growth of Al crystal particles is hindered by introducing the Cu, crystal boundaries are increased, the alloy is embrittled, pulverization of the alloy under hydrolysis reaction is facilitated, and the hydrogen generation performance of an Al-Ga-InSn4 alloy is obviously improved.