93results about How to "Easy to implement at scale" patented technology

The invention relates to a method and a circuit for dynamically equalizing a battery management system. The method comprises the following steps of: 1) detecting the voltage of each single battery in each group of battery packs sequentially connected in series by using embedded control software; 2) judging the location number of the single battery which needs to be charged or discharged separately and has excessively low or high voltage by using a central processing unit (CPU); 3) giving a control command out by using the CPU, controllably gating a corresponding polarity selecting switch block to perform polarity inversion on a collection bus, controllably gating a corresponding battery selecting switch block to perform polarity matching at the same time, controlling the working direction of a bidirectional isolation transformer and connecting the single battery which needs to be charged or discharged separately and has the excessively low or high voltage to the connection bus for charging or discharging so as to realize energy transfer; and 4) repeating the steps 1) to 3) until the voltage of each single battery in each group of battery packs sequentially connected in series is in a set allowable error range so as to realize dynamic equilibrium. The number of charging and discharging devices and circuit complexity of the battery management system can be reduced remarkably.

The invention is a method of recovering nickelic and aluminum from waste aluminum-based nickel catalyst, it has the characters of novel technique, reasonable flow, simple and convenient method and easy operation, and convenient scaled production, and benefits environmental protection. It includes the steps: sodium carbonate sintering and state-changing--boiling water dissolving sodium aluminate and separating aluminum--- making reducing-matte-making melting on nickel residues to obtain nickel matte Ni3S2-FeS-Ni-Fe alloy or copper-nickel matte Cu2S-Ni3S2-FeS alloy---blowing to obtain high-grade nickel matte Ni3S2 or high-grade copper-nickel matte Cu2S-Ni3S2-Cu-Ni alloy---desiliconizing crude NaAlO2 solution---making carbonated decomposition to obtain aluminum hydrate Al2O3íñ3H2O---calcining to obtain anhydrous aluminum oxide alpha-Al2O3. It is suitable to recover nickel and aluminum from the waste residue generated by extracting molybdenum and vanadium from waste aluminum-based nickelic catalysts and disabled catalysts containing nickel, aluminum, molybdenum and vanadium.

The invention discloses a carbon-sulfur composite positive electrode material of a lithium-ion battery and a preparation method of the material. The positive electrode material comprises a shell layer and a nuclear layer, wherein the shell layer comprises a conducting polymer layer; the nuclear layer comprises a sulfur layer; and a nano conducting material is uniformly distributed in the sulfur layer and comprises more than one dotted nano conducting particles and more than one linear and / or piece-shaped conducting nano materials. The preparation process comprises the following steps of: (1) after uniformly mixing the nano conducting material and the sublimed sulfur, carrying out insulating treatment in closed environments with the temperatures of being 120-300 DEG C and 300-500 DEG C in sequence, and then naturally cooling to obtain the powder; and (2) carrying out ball-milling treatment on the powder obtained by the step (1), wrapping the powder by the conducting polymer, then cleaning, and drying under the condition with the temperature of being 80-120 DEG C, thus obtaining a target product. The invention has the advantages that the service life of the sulfur positive electrode material of the lithium battery can be effectively prolonged, the cycling performance of the sulfur positive electrode material can be improved, the single carrying amount of the sulfur can be improved, and the preparation process is simple and high-efficiency, and is low in cost and easy in large-scale production.

The invention discloses the applications of a Ni / SiC catalyst to methane production through syngas conversion. Silicon carbide with favorable thermal conductivity and mechanical strength is used as a carrier of a nickel catalyst, wherein the catalyst contains 1-20 percent of nickel metal, and the preparation method is simple and practical. The catalyst can rapidly export a great number of heat generated in a methane production reaction through syngas conversion, avoid congregation of nickel catalyst particles due to partial overheat and inactivation caused by carbon deposition, have the advantages of strong abrasion resistance, high activity, strong carbon deposition resistance, and the like and can be operated at a higher airspeed under high pressure.

The invention discloses a graphene dispersant, which comprises electro-active aniline oligomer derivatives. The aniline oligomer derivatives can form [pi]-[pi] complex with graphene. The invention also discloses applications of the graphene dispersant, such as dispersing method and dispersion based on the graphene dispersant, and the like. Conductive aniline oligomer derivatives, which can be easily synthesized and have a low cost, are taken as the graphene dispersant; the dispersant and graphene or other nano carbon materials are simply mixed in a dispersion medium, the dispersion degree, dispersion stability and re-dispersion performance of nano carbon material in the dispersion medium are largely improved; moreover, the physical and chemical properties of the nano carbon materials are not damaged, the operation is simple, and the graphene dispersant is suitable for large scale implementation.

The invention discloses a sulfonated-graphene-based novel Ru(bpy)3<2+> nano heterogeneous catalyst and a preparation method thereof. The nano heterogeneous catalyst comprises a sulfonated graphene matrix and Ru(bpy)3<2+> groups, wherein the sulfonated graphene matrix comprises a graphene matrix and sulfonic groups distributed on the graphene matrix; the Ru(bpy)3<2+> groups are connected onto the sulfonated graphene matrix after being matched with the sulfonic groups, and the active sites of the Ru(bpy)3<2+> groups are dispersed on a two-dimensional plane of the graphene matrix. The preparation process comprises the following steps: carrying out an ion exchange reaction on sulfonated reduction graphene and Ru(bpy)3<2+> to form the nano heterogeneous catalyst. The nano heterogeneous catalyst is high in chemical and heat stability, has catalytic active sites of Ru(bpy)3<2+> with visible-light activity, is high in catalytic activity, can be well dispersed in a reaction system, is easy to recover, is suitable for repeated use, and can be widely applied to a light-induced electron transfer reaction; simultaneously, the preparation process is simple, the raw material is low in cost and easily available, the cost is low and the need of large-scale production is met.

The invention discloses a graphene dispersant, which comprises aniline oligomer with electro-activity. The aniline oligomer can form [pi]-[pi] complex with graphene. The invention also discloses applications of the graphene dispersant, such as dispersing method and dispersion based on the graphene dispersant, and the like. Conductive aniline oligomer and / or derivatives thereof, which can be easily synthesized and have a low cost, are taken as the graphene dispersant; the dispersant and graphene or other nano carbon materials are simply mixed in a dispersion medium, the dispersion degree, dispersion stability and re-dispersion performance of nano carbon material in the dispersion medium are largely improved; moreover, the physical and chemical properties of the carbon materials are not damaged, the operation is simple, and the graphene dispersant is suitable for large scale implementation.

The invention relates to a preparation method of a hexagonal boron nitride / polymer blocky composite material with high filling amount, wherein the method comprises the steps: step 1, adding hexagonalboron nitride and a polymer matrix into a mortar, grinding uniformly, and mixing to obtain a hexagonal boron nitride-polymer matrix mixture, wherein the polymer matrix is in a liquid state at normal temperature and normal pressure, and can be cured under the condition of changing temperature and / or pressure; step 2, putting the mixture obtained in the step 1 into a ball milling tank, and carryingout uniform ball milling to obtain a mixture obtained by further mixing and uniformly carrying out a reaction on hexagonal boron nitride and the polymer matrix; step 3, putting the mixture obtained inthe step 2 into a mold, and carrying out compression molding to obtain a blocky molded prototype of the polymer composite material; and step 4, polymerizing and curing the blocky forming prototype ofthe polymer composite material obtained in the step 3 to obtain the blocky material of the hexagonal boron nitride / polymer composite material with high filling amount. The composite material has ultrahigh mechanical properties and huge thermal management application potential.

The invention discloses a preparation method of a large-area gold nanorod aligned and ordered array. The preparation method comprises the following steps: modifying a first high polymer material in a selected area on the surface of gold nanorods; modifying a second high polymer material which is compatible with the first high polymer material on the substrate surface; utilizing the solvent evaporation self-assembly feature to enable the gold nanorods to be aligned and distributed on the substrate surface, so as to form the large-area gold nanorod aligned and ordered array such as a gold nanorod vertical array or a gold nanorod tiled array. The invention further discloses the large-area gold nanorod aligned and ordered array and application thereof. The preparation method, disclosed by the invention, is simple and easy to implement, good in controllability, low in cost, and capable of obtaining the large-scale aligned and ordered gold nanorod array in multiple forms which can be applied to the fields such as optical electronic devices, biosensors, environment and food safety detection as a two-dimensional or three-dimensional functional material.

The invention discloses a tissue engineering material with a biologically active surface layer and a preparation method thereof. The tissue engineering material comprises a biodegradable high polymer material matrix and a dopamine layer adsorbed on the surface of the matrix, wherein the dopamine layer is connected with a biologically active polymer. The preparation method comprises the following steps: providing the biodegradable high polymer material matrix with a thoroughly wetted surface; providing a buffer system with dissolved dopamine and the biologically active polymer; and fully soaking the matrix in the buffer system, carrying out incubation at 30 to 40 DEG C for 1 to 5 h, then taking the matrix out and subjecting the matrix to air drying so as to obtain the tissue engineering material with the biologically active surface layer. The tissue engineering material has high mechanical properties and controllable degradation performance and good biological activity and is beneficial for adherence and propagation of cells; and the preparation method is simple, easy to operate, low in cost and favorable for large-scale implementation.

The invention discloses a mesoporous phenolic resin / copper nano particle heterogeneous catalyst, and a preparation method and an application of catalyst. With ordered mesoporous phenolic resin as carrier and elementary substance state copper nano particle as catalyst active component, the heterogeneous catalyst has a regular mesoporous structure, as well as has the characteristics of large specific surface area, uniform particle size distribution, even active site distribution and the like; meanwhile, the catalyst has high chemical and thermal stabilities, can be dispersed well in a reaction system, is easy to recover and recycle, and is widely applied to each elementary copper based organic catalytic reaction. Furthermore, the preparation process of the catalyst is simple, the raw materials are cheap and available, the cost is low, and no reducing agent is added during the preparation process, so that the environment-friendly effect is achieved.

The invention belongs to the technical field of lithium-selenium battery positive electrode materials, relates to a self-supporting flexible electrode material composed of an active material, in particular to a Se@CNT / CP self-supporting flexible electrode material, as well as a preparation method and an application, and refers to a preparation process of the Se@CNT / CP self-supporting flexible electrode material with a shell-sheath structure through a novel simple immersion type chemical vapor deposition technology, and a preparation method of the Se@CNT / CP self-supporting flexible electrode material with the characteristics of high yield, industrial feasibility and the like. The adopted immersion type chemical vapor deposition technology is easy and effective, and large-scale and low-costindustrialization of the Se@CNT / CP self-supporting flexible electrode material can be realized easily.

The invention discloses a nylon material having ultra-strong liquidity and a preparation method thereof. As one of optimal embodiments, the preparation method comprises the steps of mixing caprolactam, diamine or diacid and other nylon precursors with an end-capping reagent, then adding a mixture into a sulfonating graphene solution, slow rising the temperature to be 100-150 DEG C, stirring the solution for more than 0.5h at low speed, continuing to rise the temperature to be reaction temperature, keeping 2-5MPa pressure for 2 to 5 hours, performing vacuum pump till viscosity stabilization and performing discharging and pelleting to obtain a target product. The preparation method has the advantages of being simple in process, low in cost, high in controllability and easy to implement in a large-scale mode, and the obtained product has good physical and chemical performance, especially has excellent tensile strength, bending strength and impact resisting strength, is high in melt index and has ultra-strong liquidity, can be widely used as a formed thin-wall product, a nylon product large in molecular weight and difficult to process and a nylon product difficult to process after being compounded with other materials.

The invention discloses a silica sand inkstone and a preparation method thereof, and belongs to the field of inkstones. The silica sand inkstone comprises the following raw materials in parts by weight: 8-30 parts of unsaturated polyester, 0.16-1.2 parts of a curing agent, 0.08-0.6 part of an accelerant, 8-30 parts of 400-1200 mesh packing and 100-500 parts of 20-200 mesh sand. The preparation method of the silica sand inkstone comprises the following steps: adding the unsaturated polyester, the curing agent, the accelerant, the packing and the sand in the corresponding parts by weight to stirring equipment for uniformly stirring so as to obtain a sand mixture; filling the sand mixture after the treatment in a mold, compacting and smoothing; finally curing. The silica sand inkstone and the preparation method thereof provided by the invention have the advantages of simple production technology, low cost, good performance, no sinter molding, energy conservation and environmental protection and the like, and materials are seen everywhere and easily obtained at a low price.

The method comprises: using GoldMag nano-particles as the solid-phase carrier of reaction and separation; coupling the antibody or antigen to the surface of GoldMag nano-particles in order to make the antibody and antigen on the surface of GoldMag nano-particle to combine with the specific antibody or antigen in the serum so as to form an antibody-antigen composite; combining said antibody-antigen composite on the GoldMag nana-particles with the specific antibody or antigen marked by the marker; using relevant detection system to make qualitative or quantitative detection for the biomolecule under test.

The invention discloses a high thermal-conduction nanometer carbon composite material and a preparation method thereof. According to the present invention, mainly the aggregate of a plurality of carbon nano-tubes and graphene oxide attached on the surface of one or the plurality of the carbon nano-tubes in the aggregate are subjected to two-step heat treatment to form the high thermal-conduction nanometer carbon composite material, wherein the first-step heat treatment is performed in a reducing atmosphere and the heat treatment temperature is 200-500 DEG C, and the second-step heat treatment is performed in a protective atmosphere and the heat treatment temperature is 1500-3000 DEG C; compared to the existing carbon nano-tube / graphene composite material, the high thermal-conduction nanometer carbon composite material of the present invention has advantages of significantly-improved thermal conductivity and other performances, high flexibility, high electrical conductivity, excellent mechanical property and the like; and the preparation method has characteristics of simple and controlled preparation process, low energy consumption, and easy scale implementation.

The invention discloses a method of macroscopic preparation of grapheme, characterized by that: product SiC polycrystalline powder is subject to thermal splitting to sublimate Si rapidly, and grapheme can be prepared through self-assembly of the obtained carbon species. The prepared grapheme has little defects and high oxidation resistance ability. By changing the particle size, type of crystals, heating rate, degree of vacuum of the system and the reaction atmosphere, the dimension, thickness, regularity, shape and types of function groups of the prepared grapheme can be regulated and controlled. The method has the advantages of simple and easiness in operation and control.

The invention discloses a liquid-phase stripping method of a two-dimensional molybdenum disulfide (MoS2) nano material, and a dispersion method and application of MoS2. The molybdenum disulfide dispersant comprises a polyaniline conductive high polymer which enables molybdenum disulfide to be stably dispersed in a conventional solvent or any other dispersion medium by being combined with molybdenum disulfide under physical actions. The low-cost polyaniline conductive high polymer is used as the molybdenum disulfide dispersant, and the dispersant is simply mixed with the molybdenum disulfide in the dispersion medium, so that a simple liquid-phase stripping method can be utilized to obtain molybdenum disulfide two-dimensional nanosheets under the physical interactions between the dispersing agent and molybdenum disulfide. The liquid-phase stripping method does not damage the physical structure or chemical properties of the molybdenum disulfide, and is simple in the operational process and beneficial to large-scale implementation. The stripped molybdenum disulfide two-dimensional nanosheets have wide application prospects in the fields of semiconductors, energy sources, wear-resistant lubricating paints, composite materials and the like.

The invention discloses a graphical circuit structure, a manufacturing method thereof and application thereof. The technical scheme is that an insulation material layer is arranged in a covered mode in a zone outside a visible zone which is used for arranging of a transparent conducting electrode, especially in a zone for forming of a circuit routing structure, the circuit routing structure is formed on the surface of the insulation material layer, and the problems that patterning of a transparent conducting material in the zone for forming the circuit routing structure is not complete or has residual so that internal short circuit fault of the circuit routing structure happens and the like are avoided. Technology is simple, cost is low, large-scale implementation is easy, product performance can be effectively improved, product yield can be improved, and the graphical circuit structure can be widely used in photoelectricity devices and electronic equipment.

The invention discloses a nano TiO2-containing cellulose-based low-temperature phase change energy storage microcapsule and a preparation method thereof; the low-temperature phase change energy storage microcapsule comprises a capsule core and a capsule wall, wherein the capsule core is a core-shell structure composite phase change material formed by wrapping the surface of paraffin with ethylene glycol, and the capsule wall is formed by a carboxymethyl cellulose membrane doped with nano TiO2 particles; the preparation method comprises the steps of firstly, preparing a composite phase change material by using an aqueous phase ethylene glycol solution and oil phase liquid paraffin through a micro-emulsion method; then, preparing the capsule wall by using a carboxymethyl cellulose water solution containing tetrabutyl titanate and a silane coupling agent through a sol-gel reaction to obtain the microcapsule; the microcapsule has average particle size of 3-10 microns, phase-transition temperature of minus 12 to 5 DEG C and an enthalpy value of 170-200J / g; furthermore, the microcapsule also has good heat-conducting property; the microcapsule is simple in preparation technology and easy in large-scale production, and products of the preparation method do not contain inorganic salt and an organic solvent which can easily corrode a container, so that the preparation method is green and environment-friendly.

The invention discloses a method for separating a copper-soldering tin mixture and a device for achieving the method. The method comprises the following steps that soldering tin in the copper-soldering tin mixture is melted into liquid through heating while copper in the copper-soldering tin mixture is still in a solid state; and centrifugal separation is conducted to enable the liquid soldering tin to be separated from the solid copper. The device comprises a heating unit and a centrifugation unit; the centrifugation unit comprises a rotary drum; the soldering tin in the copper-soldering tin mixture is melted into liquid through the heating unit while the copper in the copper-soldering tin mixture is still in the solid state; and the liquid soldering tin is separated from the solid copper through the centrifugation unit. According to the method for separating the copper-soldering tin mixture and the device for achieving the method, through the melting point difference of the copper-soldering tin mixture, separation of the copper-soldering tin mixture is achieved for the first time, and the method for separating the copper-soldering tin mixture and the device for achieving the method have the advantages of being convenient to operate, easy to achieve a large scale, low in cost, environmentally friendly and the like; and the method for separating the copper-soldering tin mixture and the device for achieving the method contribute greatly to achieving environmental friendliness for waste household appliances and achieve resource recovery of the copper-soldering tin mixture.

The invention discloses an epoxy resin-carbon nanotube composite material and a preparation method thereof. The preparation method includes the following steps: carbon nanotubes, aniline oligomer and / or a derivative thereof are mixed in solvent, so that a carbon nanotube dispersion is obtained, the carbon nanotube dispersion and epoxy resin are uniformly mixed to form a mixture, the solvent in the mixture is then removed, and thereby an epoxy resin-carbon nanotube complex is obtained; and the epoxy resin-carbon nanotube complex and epoxy hardener are uniformly mixed. The epoxy resin-carbon nanotube composite material disclosed by the invention has excellent mechanical properties, high-temperature resistance and wear resistance, and can be used as an excellent self-lubricating polymer material, moreover, the preparation process is simple, material resources are wide, and the preparation method is favorable for large-scale implementation.

The invention relates to a method for efficiently enriching diarylheptanoid compounds in saxifraga tangutica. The method comprises the following steps: (1) extracting, namely, crushing a saxifraga tangutica medicine material, performing alcohol extraction, and filtering, thereby obtaining a saxifraga tangutica extract; (2) decontaminating with an alcohol-resistant membrane, namely, treating the saxifraga tangutica extract with the alcohol-resistant membrane, collecting the penetrate, and performing depressurized drying on the penetrate, thereby obtaining a crude saxifraga tangutica diarylheptanoid compound sample; (3) performing adverse-phase solid-phase extraction column enrichment, namely, adding water to dissolve the crude saxifraga tangutica diarylheptanoid compound sample, performing adverse-phase solid-phase extraction column separation, performing step gradient elution, and collecting 50-70% methanol eluate; and (4) performing depressurized drying on the 50-70% methanol eluate, thereby obtaining the saxifraga tangutica diarylheptanoid compound. The method is simple in process, easy to realize large-scale implementation, and stable and controllable in quality.

The invention discloses a processing process and a processing system of high-concentration organic wastewater with rubber chemicals. The processing process comprises steps of removing salt in the wastewater and regulating pH; performing activated carbon catalyst catalysis oxidation reaction on the wastewater and regulating pH; removing suspended matters in the wastewater; removing COD and salinityin the wastewater; removing COD and organic matters in the wastewater; and deeply oxidizing the wastewater and adding H2O2 and then discharging. The processing process can treat high-concentration organic wastewater with rubber chemicals and discharge the wastewater reaching the standard. The processing system has the advantages of being low in cost, occupying a small area, simple operation conditions, and being suitable for large-scale treatment.

The invention discloses a GaN-based semiconductor device with a composite gradual-change quantum barrier structure and a preparation method of the semiconductor device. The device comprises a multi-quantum well structure, the multi-quantum well structure comprises InGaN layers which grown alternatively, the average In content in the different quantum barrier layers in the multi-quantum well structure is reduced gradually from the P type side to the N type side, and the In content in at least one quantum barrier layer is increased gradually from the P type side to the N type side. Due to use of the composite gradual-change quantum barrier structure in the device, the polarized electric field in the quantum well region can be reduced, the electron-hole composite efficiency is increased, hole transportation is improved, distribution non-uniformity of the holes among wells is reduced, leakage of electrons is reduced, the light emitting efficiency of LED devices and the like can be improved obviously, the problem of decrease of the light emitting efficiency is inhibited substantially, preparation technology is simple and controllable, and convenience is provided for large-scale enforcement.

The invention relates to a method and a circuit for dynamically equalizing a battery management system. The method comprises the following steps of: 1) detecting the voltage of each single battery in each group of battery packs sequentially connected in series by using embedded control software; 2) judging the location number of the single battery which needs to be charged or discharged separately and has excessively low or high voltage by using a central processing unit (CPU); 3) giving a control command out by using the CPU, controllably gating a corresponding polarity selecting switch block to perform polarity inversion on a collection bus, controllably gating a corresponding battery selecting switch block to perform polarity matching at the same time, controlling the working direction of a bidirectional isolation transformer and connecting the single battery which needs to be charged or discharged separately and has the excessively low or high voltage to the connection bus for charging or discharging so as to realize energy transfer; and 4) repeating the steps 1) to 3) until the voltage of each single battery in each group of battery packs sequentially connected in series is in a set allowable error range so as to realize dynamic equilibrium. The number of charging and discharging devices and circuit complexity of the battery management system can be reduced remarkably.