8344 results about "Aluminum foil" patented technology

The invention discloses a battery monomer, a battery device and a power utilization device. Each battery monomer comprises a positive pole piece, a negative pole piece, electrolyte and an isolating membrane arranged between the positive pole piece and the negative pole piece; the electrolyte comprises a solvent and an electrolyte salt, the electrolyte salt comprises lithium bis (fluorosulfonyl) imide, and based on the total mass of the electrolyte, the mass content of the lithium bis (fluorosulfonyl) imide is 1%-6%; the solvent comprises a chain carboxylic ester solvent, and the mass content of the chain carboxylic ester solvent is 5-75% based on the total mass of the electrolyte; the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer arranged on at least one side of the negative electrode current collector, the negative electrode film layer comprises a negative electrode active material, and the graphitization degree of the negative electrode active material is 90-96%; the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one side of the positive current collector, the positive current collector comprises aluminum foil, and the thickness of the aluminum foil is 10-16 microns.

A roll material comprises an adhesive sealing composite layer including an aluminum foil and an adhesive sealing film sequentially from top to bottom and a lifting and pulling composite layer, located on the adhesive sealing composite layer. The lifting and pulling composite layer includes an information layer, a backing layer, and a layer of functional film sequentially from top to bottom. The layer of functional film has a PE film or an EPE film and a plurality of microbonding blocks sequentially from top to bottom, and the plurality of microbonding blocks is coated with a release coating. The roll material can be made into an anti-counterfeiting electromagnetic induction sealing liner, which has a good re-sealing effect and anti-counterfeiting effect.

The invention provides an aluminum film sealing defect real-time detection method and system based on multi-algorithm fusion, and relates to the technical field of intelligent manufacturing, and the method comprises the steps: triggering an industrial camera at a detection station to collect an original image of a pesticide aluminum film sealing on a conveyor belt; performing adaptive equalization operation on the original image through pixel brightness distribution data, eliminating light fluctuation and surface reflection interference, and outputting a standardized image; three types of defect detection are synchronously executed based on the standardized image, a dynamic threshold segmentation algorithm is combined with local area brightness analysis to detect edge damage, a contour extraction algorithm is adopted to calculate bottleneck center offset to recognize seal offset, wrinkle defects are recognized based on a surface texture feature analysis algorithm, and a primary detection result is output. The aluminum film sealing defect detection method is based on multi-algorithm fusion, has strong anti-interference capability, real-time detection performance and data traceability, and provides an efficient and reliable automatic solution for aluminum film sealing quality management and control.

The invention provides an Al-Mg alloy negative electrode current collector, a preparation method thereof and a negative-electrode-free sodium metal battery, and relates to the field of batteries. The preparation method of the Al-Mg alloy negative electrode current collector comprises the following steps: sputtering magnesium on the surface of an aluminum foil by adopting a magnetron sputtering mode, and forming a magnesium coating on the aluminum foil; and calcining the aluminum foil with the magnesium plating layer to obtain the Al-Mg alloy negative electrode current collector, and the Al-Mg alloy negative electrode current collector comprises an aluminum substrate layer and an Al-Mg alloy layer located on the aluminum substrate layer. According to the present invention, the Al-Mg alloy with characteristics of high sodium affinity and stable three-dimensional structure is introduced into the negative electrode current collector so as to induce the uniform deposition of sodium, inhibit the growth of sodium dendrites, reduce the loss of active sodium, and prolong the cycle life of the battery; the negative electrode current collector can be used in a sodium metal battery without a negative electrode. In addition, the method has the advantages of being easy to operate and low in raw material cost, and large-scale application and popularization are facilitated.

The invention provides an anode foil and a preparation method thereof, and relates to the technical field of capacitors. The preparation method comprises the following steps: preparing mixed aluminum slurry which comprises spherical aluminum powder, spherical aluminum oxide powder, a solvent, a binder and a dispersing agent; coating the surface of an aluminum foil substrate with the mixed aluminum slurry, and drying the aluminum foil substrate containing the mixed aluminum slurry to obtain a powder layer aluminum foil blank; sintering the powder layer aluminum foil green body to obtain a sintered foil; performing shot blasting treatment on the sintered foil to obtain an initial anode foil; cleaning and boiling the initial anode foil; and performing formation treatment on the boiled initial anode foil to obtain a target anode foil. According to the preparation method disclosed by the invention, the bending strength of the anode foil can be improved, and large-scale application of the anode foil can be realized.

The invention discloses a corrosion-resistant and flame-retardant cross-linked polyolefin cable, and belongs to the technical field of polyolefin cable manufacturing. The corrosion-resistant and flame-retardant cross-linked polyolefin cable comprises a conductor wrapped with an isolating layer, an oxygen isolating layer and an insulating layer are sequentially extruded outside the isolating layer, then a belting layer is wrapped outside the isolating layer, and then a polyolefin composite shielding material inner shielding layer containing ferrite and a ceramic flame-retardant polyolefin composite material flame-retardant layer are sequentially extruded outside the isolating layer. An aluminum foil Mylar tape is lapped to form an outer shielding layer, finally, a halogen-free low-smoke flame-retardant corrosion-resistant polyolefin mixture outer protection layer is coated, and a protective coating is coated. The corrosion-resistant and flame-retardant cross-linked polyolefin cable is simple in structure and easy to manufacture, has excellent mechanical properties, high pressure resistance, tensile resistance, bending resistance, flame retardance, waterproofness, corrosion resistance, aging resistance, interference resistance, radiation resistance and high and low temperature impact resistance, and prolongs the high-temperature service life of the cable.

The invention discloses a method for manufacturing 7072 alloy high-performance air conditioner foil in a low-carbon, efficient and short-process mode, and relates to the technical field of aluminum foil machining. S2, continuous casting and rolling; s3, cold foil rolling; s4, finished product annealing; and S5, checking and packaging. Through component adjustment, iron and silicon alloy elements are controlled at the lower limit of the national standard, generation of coarse aluminum-iron-silicon phases is reduced, and low ductility caused by coarse grains after finished product annealing is avoided; in the cold foil rolling process, indexes of a working roll and rolling oil are adjusted, process parameters are optimized, the blank is directly rolled into a finished product, the direct rolling process is beneficial to improving the mechanical property of the finished product, and punching production of downstream customers is facilitated; and after triple continuous rolling is finished, subsequent cold foil rolling continuous rolling is rapidly arranged, deformation heat generated by triple continuous rolling and rolling of each pass is fully utilized, and large-machining-rate rolling of each pass is achieved.

The invention discloses an ultrahigh-barrier homogenized composite packaging film and a preparation process thereof, and belongs to the technical field of packaging materials. The ultrahigh-barrier homogenized composite packaging film comprises a base material layer, an ink layer, a barrier layer and a heat sealing layer, wherein the base material layer is a BOPP film, the ink layer is water-based ink, the barrier layer is a VMBOPP film, and the heat sealing layer is a PE composite film; the BOPP film is prepared from the following raw materials in parts by mass: 60 to 70 parts of polypropylene, 15 to 22 parts of hyperbranched polymer modified POE (Polyolefin Elastomer), 10 to 18 parts of ethylene-vinyl acetate copolymer, 0.1 to 0.5 part of nucleating agent and 0.1 to 0.4 part of antioxidant. The ultrahigh-barrier homogenized composite packaging film disclosed by the invention is simple in preparation process and stable in structural barrier property, has ultrahigh oxygen barrier property and water vapor barrier property and excellent mechanical strength, toughness and high and low temperature resistance, a heat sealing process is easy to control, and the edge sealing flatness after packaging is improved; the single polyolefin material is adopted, the raw materials are environment-friendly, the barrier property of the same structure of an aluminum foil can be obtained, and the cost is reduced.

The invention relates to the technical field of taping machine equipment, and particularly discloses a self-adhesive wear-resistant aluminum foil mylar tape longitudinal wrapping taping machine which is used for solving the problems of poor wear resistance and poor taping quality in the prior art. Comprising a base, a supporting vertical plate is vertically arranged at the upper end of the base, a winding penetrating hole allowing a cable A to penetrate through conveniently is formed in the supporting vertical plate, a winding disc is rotationally arranged on the outer side of the winding penetrating hole, the winding disc is connected with a winding driving piece used for driving the winding disc to rotate, and an aluminum foil belt roller is arranged at the end of the winding disc; an aluminum foil belt is wound on the aluminum foil belt roller, and an installation assembly used for fixing the aluminum foil belt roller is arranged on the winding disc. The aluminum foil tape is designed according to existing requirements, the wear-resistant layer is arranged on the outer side face of the aluminum foil tape, and the bonding layer is arranged on the inner side of the aluminum foil tape, so that the aluminum foil tape better wraps the outer side of the cable A, and the protection effect of the cable A is improved.

The invention discloses a high-toughness, low-pinhole-rate and heat-resistant power battery aluminum foil produced in a short process and a preparation method thereof, and belongs to the technical field of power battery materials and processing methods. The invention discloses a high-toughness, low-pinhole-rate and heat-resistant power battery aluminum foil produced through a short process. The power battery aluminum foil comprises the following components: 0.21-0.55% of Fe; 0.15 to 0.35 percent of Si; 0.02% to 0.08% of Cu; ti: 0.01 to 0.04%; less than or equal to 0.02% of Mn; less than or equal to 0.02% of Zn; 0.003% to 0.005% of Y; 0.003% to 0.005% of Er (Erbium); the content of Sc is 0.003 to 0.005 percent; and the balance of Al. In the smelting stage, through composite spiral electromagnetic stirring, the melt uniformity and the alkali, impurity and gas removal effect are improved; and a novel rolling mode assisted by pulse current is introduced, so that the grain refinement degree is increased, and the production efficiency is greatly improved.

The invention relates to the technical field of aluminum foil processing, in particular to a method for producing high-stability 3102 alloy air-conditioning foil in a short process, which comprises the following steps of: smelting, continuously casting and continuously rolling an aluminum alloy raw material to obtain a strip, directly trimming the strip, rolling the strip on a cold rolling unit, preparing a cold-rolled coil with the thickness of 0.15-0.2 mm after three-pass rolling, rolling the cold-rolled coil by an aluminum foil rolling mill, and rolling the cold-rolled coil by an aluminum foil rolling mill to obtain the high-stability 3102 alloy air-conditioning foil. The tensile strength of the aluminum foil finished product is 135-139 Mpa, the ductility is larger than or equal to 19%, and the cupping is larger than or equal to 5.9 mm. The aluminum foil finished product is suitable in tensile strength, small in fluctuation range, higher in ductility and cupping value, capable of better meeting the use requirements of air conditioner foil, capable of guaranteeing the product quality and meanwhile capable of improving the product quality. According to the method, the production process is greatly shortened, the production cost is reduced, and the production efficiency is improved.

The invention belongs to the technical field of aluminum alloy materials, and particularly discloses a preparation method of a cast-rolled 8021 alloy aluminum foil, an 8021 alloy blank with the thickness of 6-8 mm is produced through cast rolling, the blank is subjected to direct homogenizing annealing under the condition of not cooling, is rolled through a cold rolling production process, and then is subjected to edge cutting, secondary intermediate annealing and foil rolling to be subjected to multi-pass rolling to obtain the finished product with the thickness. Compared with a traditional direct-cooling cast ingot hot rolling process, multiple links such as hot-rolled plate ingot casting, ingot blank sawing and face milling, uniform annealing and large-machining-amount hot roughing mill cogging rolling are omitted, energy is saved, consumption is reduced, carbon dioxide emission is reduced, the performance of a finished product is equal to or even superior to that of a hot-rolled product, and the use requirements of customers are met.

The invention discloses a method for preparing a composite positive electrode material by using a waste battery, and belongs to the technical field of battery recovery. The method comprises the following steps: discharging, disassembling and sorting a waste lithium iron phosphate battery to obtain a positive plate, carrying out water treatment, separating from an aluminum foil to obtain a waste lithium iron phosphate sheet, adding sodium hypochlorite, tetraethoxysilane, deionized water and hydrochloric acid, stirring to obtain SiO2-coated iron phosphate precipitate particles and a lithium-containing solution, adding sodium hydroxide into the lithium-containing solution to adjust the pH value, and carrying out solid-liquid separation to obtain the lithium-ion battery cathode material. Adding sodium carbonate, heating and drying to obtain lithium carbonate precipitate. And adding a carbon source and alcohol into the SiO2-coated iron phosphate precipitate particles and lithium carbonate, carrying out ball milling, taking out, drying, and calcining in a protective atmosphere to obtain the positive electrode composite material. Compared with the prior art, according to the prepared positive electrode composite material, material particles contain a lithium silicate network, so that the specific discharge capacity of a battery material is effectively improved. The method is simple in process and suitable for comprehensive utilization of waste batteries.

An aluminum foil slitting and winding device relates to the technical field of slitting and rewinding and comprises a slitting unit, a rewinding unit, a tension adjusting device and a slitter edge winding device. The tension degree adjusting device works cooperatively through a rotary disc, a swing arm and a variable-diameter adjusting roller, it is ensured that the wrap angle and the tension degree are constant when aluminum foil enters the roller, and the problems of wrinkles and edge warping in the winding process are remarkably solved. The variable-diameter adjusting roller adopts the design of an elastic supporting framework and a double-spiral lead screw, and the transverse and longitudinal tension degree of the aluminum foil can be flexibly adjusted. And the slitter edge winding device is provided with a slewing bearing and a reel, so that ordered winding of slitter edges is realized, and normal winding operation is prevented from being interfered. In addition, a pulse type air hammer and a buffer device are further arranged and used for releasing the stress of the edge of the aluminum foil and preventing the slitter edge from being knotted or wound correspondingly, and the winding process is further optimized. According to the aluminum foil winding device, the stability and quality of aluminum foil winding are improved, the operation difficulty is reduced, and the production efficiency is improved.

The invention relates to the technical field of grinding equipment, in particular to an aluminum foil mill roller grinding device which comprises a rack, a centering clamping assembly and a grinding assembly, the centering clamping assembly is arranged on the rack and used for clamping a roller and enabling the roller to rotate around the axis of the roller, and the grinding assembly comprises a shell, a grinding disc, a supporting column and a damping ring. The shell is slidably arranged on the rack, the grinding disc is rotatably arranged on the inner side of the shell, the axis of the grinding disc is horizontal, and the grinding disc can rotate around the axis of the grinding disc. The grinding device is provided with the supporting column and the grinding block, the grinding block is hinged to the periphery of the supporting column, and the grinding block is configured to be capable of rotating so that the grinding face of the grinding block can always keep linear contact with the peripheral face of the roller; therefore, the grinding block is not in linear contact with the roller due to different abrasion losses of the two ends of the grinding block at the grinding contact position of the grinding block and the roller, the grinding quality is guaranteed, and meanwhile the grinding efficiency is improved.

The invention discloses a method for preparing an aluminum foil of a 1100 aluminum alloy new energy battery from electrolytic aluminum liquid. The aluminum foil comprises the following alloy elements in percentage by mass: 0.55 to 0.60 percent of Fe, 0.10 to 0.13 percent of Si, 0.20 to 0.25 percent of Cu, 0.010 to 0.020 percent of Ti, less than or equal to 0.01 percent of Mn, 0.015 to 0.025 percent of Zn, less than or equal to 0.01 percent of Mg and more than or equal to 99.00 percent of Al. And the high-strength aluminum foil is obtained through the processes of annealing, cold rolling, annealing and the like. The method has the beneficial effects that in large-scale industrial production, the product quality is stable, and the plate shape, the thickness difference, the surface quality and the mechanical property meet user requirements; the tensile strength of the prepared aluminum foil is 205-220 Mpa, the ductility is 4.5-6.0%, the tensile strength of the produced finished aluminum foil with the diameter of 0.012-0.015 microns is larger than or equal to 300 Mpa, and the ductility is larger than or equal to 3.0%.

The invention discloses an antibacterial water-resistant aluminum-plastic composite hose and a preparation method thereof, and belongs to the technical field of aluminum-plastic composites.The antibacterial water-resistant aluminum-plastic composite hose comprises a hose head and a hose body, the hose body is formed by lap joint of antibacterial water-resistant aluminum-plastic composite sheets, and the antibacterial water-resistant aluminum-plastic composite sheets are arranged on the hose head. The antibacterial waterproof aluminum-plastic composite sheet sequentially comprises an outer-layer PE film, a hyperbranched copolymer, an aluminum foil, an ethylene-methacrylic acid copolymer and an inner-layer PE film, the hyperbranched copolymer and the ethylene-methacrylic acid copolymer are formed by cross-linking and copolymerizing an acrylate cross-linking agent and a sulfydryl-silyl ether cross-linking agent. The hyperbranched copolymer provided by the invention can be used as a bonding layer to meet the requirement of the aluminum-plastic composite hose on peel strength, and the aluminum-plastic composite hose also has good tensile strength, water-proof and oil-proof effects and antibacterial performance.

The invention discloses an efficient heat dissipation and efficient shielding fireproof control cable which comprises an outer sheath, an armor layer, a flame retardant wrapping layer, an aluminum foil wrapping layer, an outer surrounding layer, an inner surrounding layer and an inner protection layer, filling ropes and a plurality of cable cores are arranged in the inner protection layer, and each cable core comprises an insulating layer, a fireproof layer and a conductor. According to the control cable, the cable core is provided with the fireproof layer, and the flame-retardant wrapping layer is arranged outside the plurality of cable cores, so that the control cable has a good flame-retardant effect. And the plurality of cable cores are coated with the inner surrounding layer, the outer surrounding layer and the aluminum foil wrapping layer, so that the cable has a relatively good shielding effect. Air inlet can be achieved through the two ventilation pipes at one end of the control cable, air outlet can be achieved through the two ventilation pipes at the other end of the control cable, and therefore heat dissipation airflow passes through the inner layer ventilation channel and the outer layer ventilation channel in the cable to achieve air cooling heat dissipation. Whether the cable works normally or not can be judged by checking whether the second filter screen is rusted or not, operation is convenient during checking, and maintenance work of the cable is facilitated.

The invention belongs to the technical field of aluminum processing, and particularly discloses a method for producing a 1235 alloy cable aluminum foil by using a continuous casting and rolling blank, which comprises the following steps of: rolling the blank by a three-stand continuous rolling mill without cooling and surface milling, performing cold rolling, trimming and intermediate annealing, and performing multi-pass rolling by an aluminum foil rolling mill until the thickness of a finished product is reached, thereby obtaining the 1235 alloy cable aluminum foil. The processing flow is shortened, the metal manufacturing time is shortened, the energy consumption is reduced, after the aluminum foil finished product produced by the continuous casting and rolling blank is annealed, the mechanical property can be stably controlled within the tensile strength of 70-90 MPa, the performance of the finished product is more stable than that of a material produced by a cast rolling method, and the grain structure of the finished product is finer and more uniform than that of the material produced by the cast rolling method.

The invention provides composite positive electrode slurry, a positive electrode and a preparation method thereof, and relates to the field of lithium batteries. The solid content of the slurry is 40-60wt%, and the slurry comprises the following raw materials in parts by weight: 1-5 parts of a binder, 2-4 parts of a conductive agent, 100 parts of a blended positive electrode active material and the balance of a solvent; the binder comprises hydrogenated butadiene-acrylonitrile rubber emulsion, and the mass fraction of the hydrogenated butadiene-acrylonitrile rubber emulsion combined with acrylonitrile is 10-50%; the blending type positive electrode active material comprises the following components in percentage by mass: 10-90% of lithium manganese iron phosphate and 10-90% of high-nickel ternary layered oxide. The positive electrode comprises an aluminum foil current collector and composite positive electrode slurry, and the composite positive electrode slurry is coated on the surface of the aluminum foil current collector. According to the present invention, the positive electrode of the positive electrode slurry composed of the HNBR binder, the conductive agent and the solvent is combined with the blending type positive electrode active material composed of the lithium manganese iron phosphate and the high-nickel ternary layered oxide, and the positive electrode is applied to the lithium ion secondary battery, and the battery has high energy density and high-voltage cycle stability.

The invention provides a flexible HP-ZIF-67 (at) Au surface enhanced Raman scattering substrate for multi-phase detection of volatile organic gas and pesticide residues, and a preparation method and application thereof, and belongs to the technical field of volatile organic gas and pesticide residue detection. The preparation method comprises the following steps: preparing a polystyrene microsphere template by taking polyvinylpyrrolidone, styrene and potassium persulfate as raw materials, then adding 2-methylimidazole and cobalt nitrate to obtain HP-ZIF-67 particles, dispersing the HP-ZIF-67 particles on an aluminum foil to obtain an HP-ZIF-67 substrate, and continuing to diffuse and deposit a gold nanoparticle layer to obtain the flexible HP-ZIF-67 (at) Au surface enhanced Raman scattering substrate. The flexible HP-ZIF-67 (at) Au surface enhanced Raman scattering substrate provided by the invention has the advantages of stable process, high sensitivity and multiphase detection, and a novel composite material is provided for volatile organic gas and pesticide residue detection.

The invention relates to the technical field of battery current collectors, in particular to a high-strength composite current collector and a preparation method thereof.The preparation method of the composite aluminum foil current collector comprises the following steps that S1, a base material roll film is modified on a film stretching line so as to improve the tensile strength and reduce the ductility; the base material roll film is a polymer base material roll film for preparing the composite current collector; s2, copper plating or aluminum plating is conducted on the surface of the modified base material roll film; and S3, forming the high-strength composite current collector coiled material. Through base material modification, compared with a composite current collector in the prior art, the composite current collector is higher in strength and lower in total elongation under low elongation, the problem that the compactness of a metal layer becomes poor under high elongation is effectively solved, the modified composite current collector is not prone to being excessively stretched during subsequent procedure operation, and if the modified composite current collector is excessively stretched, the modified composite current collector can be directly fractured, so that the service life of the composite current collector is prolonged. The problem that the compactness of the metal layer is poor but not easy to find due to excessive stretching and non-fracture is solved, and the operation difficulty of procedures such as downstream coating is reduced.

The invention belongs to the technical field of iodine-resistant material preparation, and particularly discloses a high-barrier composite packaging material and a preparation method thereof.The high-barrier composite packaging material is composed of an aluminum foil layer, a vinyl resin heat-seal coating, a composite coating, a VC glue coating, a polyurethane heat-seal coating and a polyvinyl chloride sheet from top to bottom; wherein the composite coating is obtained by coating a coating liquid, and a preparation method of the coating liquid comprises the following steps: (1) adding PVA resin into deionized water, stirring, then adding a first part of functional particles, and heating and stirring to obtain a solution I for later use; (2) adding polylactic acid into the mixed solution, stirring, then adding the second part of functional particles, and heating and stirring to obtain a solution II; and (3) adding the obtained solution I into the obtained solution II, and uniformly stirring. The iodine-resistant packaging material prepared by the invention is good in iodine resistance, oxygen resistance and water vapor resistance, good in tensile strength and excellent in comprehensive performance.

The invention relates to composite resin for packaging a Topcon component as well as a preparation method and application of the composite resin. Comprising an acrylate monomer, an aliphatic polyurethane acrylate oligomer, hydroxyl acrylate, bisphenol A acrylate, maleic anhydride modified epoxy acrylate, a light curing agent, a latent curing agent, a flame retardant A, a flame retardant B, a thixotropic agent, an anti-aging agent, a UV absorbent and a light stabilizer. The composite resin has the comprehensive performance of high viscosity, low shrinkage, super weather resistance and flame retardance, the aluminum-containing backboard prepared from the composite resin is high in water resistance and super weather resistance, due to the fact that light-heat double-stage curing is adopted for curing, the resin collapses and is cured to generate a solid phase, and in the follow-up aluminum foil hot-pressing curing process, the solid phase is solidified to form a solid phase; the resin is further infiltrated and cured, the porosity of the resin can be greatly reduced through a dual-curing system, water cannot enter the interior in the long-term use process, and voltage breakdown reduction of the aluminum-containing back plate under the long-term damp and hot condition is completely eradicated.

An aluminum foil stripping device for stripping aluminum foil exposed from one end of a cable includes a fixture, a single laser machine, a pair of cutters, and a grasping mechanism. The fixture is adapted to clamp and fix the cable. The single laser machine is adapted to cut a pre-cut on the exposed aluminum foil of the fixed cable to release the tension of the aluminum foil. The pair of cutters are adapted to simultaneously cut the aluminum foil each of two sides of the exposed aluminum foil, wherein a cutting position of the pair of cutters is aligned with the pre-cut. The grasping mechanism is adapted to grasp the exposed aluminum foil and separate it from the cable at the cutting position by at least one of oscillating or pulling the aluminum foil to remove it from the cable.

The invention provides an aluminum product rolling process real-time monitoring and optimizing system based on digital twinning, and relates to the technical field of power battery aluminum foil rolling. The monitoring and optimization system comprises a data acquisition module, a digital twin modeling module, a real-time monitoring module, a dynamic optimization module, a feedback control module, a green manufacturing optimization module and a cross-alloy adaptive module. According to the aluminum product rolling process real-time monitoring and optimizing system based on digital twinning, the data acquisition module, the digital twinning modeling module, the real-time monitoring module, the dynamic optimizing module, the feedback control module, the green manufacturing optimizing module and cross-alloy self-adaption work cooperatively; the defects in the aspects of data acquisition and integration, process parameter optimization and anomaly detection, energy consumption optimization and green manufacturing in the prior art are overcome.

The utility model discloses a modified aluminum foil composite fabric which comprises an aluminum-plated layer, an aluminum-plated layer, an aluminum-plated layer and an aluminum-plated layer, a first thin film; an aluminum foil layer; and a second film. According to the modified aluminum foil composite fabric, the sewable performance of the fabric is improved, and meanwhile the modified aluminum foil composite fabric has good attaching performance, radiant heat resistance and fire resistance.

The utility model discloses an aluminum foil fine splitting machine which comprises a machine body. A cleaning mechanism is arranged in the machine body and comprises fixing rods, and the fixing rods are fixedly mounted on the two sides of the inner wall of the machine body; a plurality of adjusting grooves are formed in the top end of the fixing rod at equal intervals, and the driving rod is rotationally connected with the inner walls of the adjusting grooves in a penetrating and inserting mode; the multiple moving plates are all connected with the driving rod in a threaded penetrating and inserting mode; the driving rod and the moving plate form lead screw transmission so as to drive the cleaning assembly to horizontally move and make contact with the blade; and the collecting assembly is located under the fixing rod and collects the chippings removed by the cleaning assembly. By means of the arrangement mode that the fixing rod, the driving rod, the movable plate, the cleaning assembly and the collecting assembly are matched, the blade is cleaned, cleanliness of the blade is guaranteed, and the slitting quality of the blade on aluminum foil coiled materials is improved.

The invention discloses an ultrahigh-strength 13-micron battery aluminum foil and a preparation method thereof, and belongs to the technical field of battery aluminum foils. The battery aluminum foil comprises the following alloy elements in percentage by mass: 0.23 to 0.27 percent of Si, 0.44 to 0.50 percent of Fe, 0.185 to 0.205 percent of Cu, 0.86 to 0.90 percent of Mn, 1.19 to 1.24 percent of Mg, less than or equal to 0.04 percent of Cr, less than or equal to 0.06 percent of Zn, 0.01 to 0.025 percent of Ti and the balance of Al. The preparation method comprises the following steps: (1) smelting and casting; (2) homogenizing; (3) hot rolling: performing multi-pass hot rolling on the homogenized aluminum alloy cast ingot to obtain a hot-rolled coiled material, and controlling the finish rolling temperature to be greater than or equal to 330 DEG C; (4) cold rolling: after the hot-rolled coiled material is cooled, performing multi-pass cold rolling to obtain a cold-rolled finished product, and annealing the cold-rolled finished product after cold rolling; (5) foil rolling is carried out, after the annealed cold-rolled finished product is cooled, multi-pass foil rolling is carried out, and primary foil rolling intermediate annealing is carried out between foil rolling passes; and (6) slitting to obtain the battery aluminum foil. The ultrahigh-strength tensile battery aluminum foil is obtained by combining alloy component regulation and control with a preparation process.

The invention discloses a carbon-coated lithium iron phosphate positive electrode material and a preparation method thereof, and belongs to the technical field of electrochemical energy materials. The preparation method comprises the following steps: stirring a binder and 80% of a solvent in parts by weight at 50-55 DEG C, adding a conductive agent, and stirring at the temperature lower than 40 DEG C for 2 hours; adding carbon-coated lithium iron phosphate, stirring, adding 20% of a solvent, and stirring; vacuumizing, maintaining the pressure, breaking the vacuum again, vacuumizing again, stirring, and testing the viscosity to obtain positive electrode slurry; and coating on an aluminum foil, and rolling to obtain the positive electrode material. The interior of the binder is of a firm three-dimensional network cross-linked structure, and meanwhile, the binder contains a benzotriazole structure and rich hydroxyl groups, so that the binder is high in adhesive force, and the non-polar part of the binder is beneficial to wetting an electrode by an electrolyte; and the binder and other raw materials have good compatibility, synergistically play a role, and jointly endow the carbon-coated lithium iron phosphate positive electrode material with excellent and stable cycle life, conductivity and the like, so that the carbon-coated lithium iron phosphate positive electrode material has excellent comprehensive performance and is safer to use.