26results about How to "Rapid deposition" patented technology

The invention discloses a zinc negative electrode protective layer material of an aqueous zinc ion battery as well as a preparation method and application of the zinc negative electrode protective layer material. The method comprises the following steps: dispersing a carbon material in an acidic liquid, stirring at room temperature, and fully mixing to obtain a uniform suspension; adding manganese salt into the mixed solution, stirring at room temperature, and then performing constant-temperature water bath; washing, centrifuging, drying and calcining a product obtained by the reaction to obtain expanded graphite; uniformly dispersing expanded graphite in a solvent, and stirring to obtain a dispersion liquid; adding a titanium-containing organic compound into the dispersion liquid and stirring; adding deionized water into the dispersion liquid and refluxing; and centrifuging, washing, drying and calcining to obtain the protective layer. According to the composite material, expanded graphite is prepared firstly, and then titanium dioxide quantum dots are anchored on the expanded graphite. Due to excellent zinc ion rate, compared with the prior art, the material has lower interface resistance and good cycling stability and rate capability, and the problems of interface dendritic crystal growth and the like are solved.

The invention relates to the technical field of lithium ion batteries, in particular to a lithium ion battery diaphragm containing modified halloysite nanotubes, a preparation method of the lithium ion battery diaphragm and a lithium ion battery, and the preparation method comprises four steps which are shown in Figure 1 in Figure 1 in Figure 1 in the specification. According to the invention, the sulfonated lithiated halloysite nanotube (sHNT-Li) is introduced into the battery diaphragm, so that the affinity between the diaphragm and an electrolyte is increased, and more sites and channels are provided for lithium ion transmission; and sHNT-Li is utilized to change the diffusion force in the process of a non-solvent phase conversion method, so that the high-temperature-resistant lithium ion battery diaphragm with a microscopic pore channel structure consisting of regular finger-shaped pores and spongy pores is obtained. The diaphragm electrolyte is good in wettability, high in conductivity, good in electrochemical stability and good in lithium dendrite inhibition effect. The battery assembled by the diaphragm shows excellent specific discharge capacity, cycling stability and rate capability, and especially has excellent charge-discharge stability at high temperature; in addition, the electrode polarization degree of the battery is improved.

The invention discloses a cationic coating digital ink-jet printing pretreatment liquid and a preparation method and application thereof, and the preparation method comprises the following steps: in the presence of a chain transfer agent, copolymerizing a cationic monomer and a water-soluble nonionic monomer to obtain the cationic coating printing pretreatment liquid; the pretreatment liquid is finished on the fabric, the pretreatment liquid and electronegative coating particles printed on the fabric through jet printing form electrostatic attraction through the cationic property of the pretreatment liquid, the electronegative coating particles are deposited on the surface of the fabric, permeation is avoided, and the apparent color yield of the fabric is improved; meanwhile, as the electrostatic adsorption efficiency is high, the slurry amount for pretreatment is reduced, the influence of the slurry on the hand feeling of the fabric is small, and the hand feeling of the jet-printed fabric is improved. Besides, benefited from the control of the chain transfer agent and the copolymerization of the hydrophilic monomer, the resin in the pretreatment liquid is low in molecular weight, high in water solubility and easy to wash away, and the staining resistance of the pigment printed fabric is also improved when the pigment printed fabric is worn and washed with water.

The invention relates to the technical field of circuit board production, and discloses a circuit board production chemical treatment liquid circulation treatment device which comprises a supporting base and a fixing cylinder, the fixing cylinder is fixedly connected into the supporting base, the top of the fixing cylinder is fixedly connected with a driving base, and the bottom of the fixing cylinder fixedly communicates with a conical discharging hopper. A filter screen cylinder is rotationally connected into the fixed cylinder, and the top of the filter screen cylinder fixedly communicates with an inlet pipe; through cooperation of two modes of high-speed rotation and up-down reciprocating vibration, the chemical treatment liquid can be filtered in a vibrating mode again, solid particles with different particle sizes and densities can be more efficiently separated from the liquid through the centrifugal effect of rotation and disturbance caused by vibration, a better separation effect is achieved, large particles can be rapidly deposited through rotation, and the separation efficiency is improved. The vibration can prevent small particles from blocking the filter screen cylinder, and the combination of the two effectively keeps the permeability of the filter screen cylinder, reduces the occurrence of blocking conditions, and ensures continuous filtration.

The present invention discloses a metal lithium negative electrode and a preparation method and application thereof. The metal lithium negative electrode comprises metal lithium and a multi-element alloy phase distributed in the metal lithium, wherein the multi-element alloy phase comprises a skeleton phase and a functional phase, wherein the skeleton phase comprises a skeleton alloy formed by elements boron, silicon, or tin and lithium, and the functional phase comprises a functional alloy formed by lithium and at least one of the elements indium, tin, silver, magnesium, selenium or bismuth. The skeleton phase is used to stabilize the structure of the negative electrode and alleviate the volume expansion of the metal lithium. The functional phase reduces the surface potential energy of the negative electrode, regulates the uniform deposition of the metal lithium, and slows down the generation and growth of lithium dendrites.

A vacancy composite diaphragm and its preparation method, application and lithium-based liquid battery based thereon, as well as a solid-state battery. The present invention belongs to the field of lithium battery diaphragms. The present invention is to solve the technical problems that the existing lithium-based batteries cannot achieve the simultaneous improvement of lithium ion conductivity and lithium ion migration number, and the existing modification method using ceramic particles directly coated or as fillers leads to diaphragm pore blockage, which is not conducive to the high rate performance and long cycle stability of lithium ion batteries. The present invention adds Te-rich vacancy particles to the diaphragm substrate to obtain a vacancy composite diaphragm with uniform pore size, precisely controllable thickness, high lithium ion conductivity, high lithium ion migration number, good electrolyte absorption rate and good wettability. The introduction of Te-rich vacancy particles effectively limits the migration of anions in the electrolyte, greatly improves the migration ability of lithium ions, and can also homogenize lithium ion deposition, inhibit the growth of lithium dendrites, and improve the rate performance and cycle stability of lithium batteries.

The invention discloses a deposition reaction chamber of vacuum vapor deposition equipment, and belongs to the technical field of vacuum vapor deposition equipment, the deposition reaction chamber comprises a deposition metal box, one end of the deposition metal box is movably connected with a closed metal door, and the inner wall of the deposition metal box is provided with a plurality of detachable thermosistors for adjusting temperature; a deformable supporting mechanism is arranged at the bottom of the deposition metal box, a deformable spraying mechanism corresponding to the deformable supporting mechanism is arranged at the top of the deposition metal box, the deformable supporting mechanism comprises a first anti-toppling bearing plate, and the first anti-toppling bearing plate is fixedly connected with the deposition metal box. A first speed-adjustable power output part is arranged in the middle of the upper surface of the first anti-toppling bearing plate; through mutual cooperation of multiple structures, sprayed raw materials are subjected to multiple dispersion, and through cooperation of rotation of the spraying structure, height adjustment and rotation of a sample, the raw materials are rapidly, fully and uniformly deposited on the surface of the sample.

The invention discloses a double-variable-slope internal circulation water tank simulation experiment device and method, and relates to the technical field of deposition simulation testing. The device comprises a water tank, at least two stages of slope changing devices are arranged in the water tank, and a water inlet of the water tank is higher than a water outlet of the water tank; the injection system comprises a slurry pump, the inlet end of the slurry pump is connected with a slurry pool, and the outlet end is connected with the water inlet of the water tank; the circulating system comprises an overflow pool, a collection hopper is arranged at the bottom of the overflow pool and connected with the water inlet of the water tank through a circulating slurry pump, and one end of the overflow pool is communicated with the water inlet. And during an experiment, internal circulation can be carried out through the circulating system, so that the cost is saved. According to the device and the method disclosed by the invention, a plurality of variable slopes are arranged, so that a gravity flow deposition experiment under a multi-slope folding terrain condition can be simulated; and meanwhile, a circulating system is arranged, so that rapid deposition of a large amount of silt caused by long-time injection of mud into the single-flow water tank is prevented, environmental protection is achieved, and raw materials are saved.

The present invention provides a precursor supply device for a battery cell and a method thereof, wherein the device comprises: a base component, including a substrate, wherein the substrate is provided with a through hole for circulating gas. The present invention opens a first distribution component and a second distribution component, and there is a space gap between the distribution area of ​​the first precursor and the distribution area of ​​the second precursor. The battery cell combines the first precursor with the second precursor when it is moving, forming a multi-layer high-precision and dense atomic layer deposition aluminum oxide layer, and then switches to fully opening the first distribution component and the second distribution component, the first precursor and the second precursor contact in the air, and are rapidly deposited to form a chemical vapor deposition aluminum oxide layer, and the aluminum oxide layer reaches the required thickness, realizing the conversion between the atomic layer deposition method and the chemical vapor deposition method, so that the aluminum oxide layer on the battery cell meets both high-precision and rapid deposition, and improves production efficiency.

The present disclosure provides a device and method for producing a thin-film catalyst. The device includes a vacuum chamber, a plurality of evaporators, a plurality of gas guide pipes, an ion generator, and a control unit. The plurality of evaporators are configured to evaporate at least one film material. The plurality of gas guide pipes are configured to introduce a reactive gas. The ion generator is configured to ionize the reactive gas and the evaporated film material. The control unit is configured to control the vacuum chamber to be vacuumed, control at least two evaporators of the plurality of evaporators to be simultaneously started, control the plurality of gas guide pipes to introduce the reactive gas, and control an ion source current of the ion generator to be adjusted, such that the evaporated film material reacts with the reactive gas to form a catalytic film layer on a surface of a substrate through vapor deposition. The present disclosure can solve the problem that the existing technologies for producing medium-entropy alloy (MEA) / high-entropy alloy (HEA) thin-film catalysts and multi-metallic element ceramic thin-film catalysts have disadvantages such as low production efficiency, long film-forming time, high cost, and heavy pollution, and are difficult to allow the large-scale industrial production.

The invention provides a composite material based on a ZnO functional compound, a preparation method and a metal battery. The composite material comprises a substrate material and a ZnO functional compound coating arranged on the surface of the substrate material, the ZnO functional compound coating contains a ZnO functional compound, the ZnO functional compound has pyroelectricity and magnetism, and the preparation method of the ZnO functional compound comprises the following steps: designing a ZnO-based compound, then compounding the ZnO-based compound onto the surface of a metal negative electrode by adopting an ALD (atomic layer deposition) method or a spraying method and the like, and drying to obtain the ZnO compound-based composite material. The preparation method is simple and controllable, the pyroelectric property of the ZnO-based compound ensures rapid ion migration at low temperature, and the magnetic property of the ZnO-based compound ensures high ion dissociation capability and uniform distribution at an interface, so that the metal battery containing the composite material provided by the invention has excellent wide-temperature-range electrochemical property.

The invention relates to the technical field of lithium ion batteries, in particular to a lithium ion battery diaphragm containing bipyridine nitrogen, a preparation method of the lithium ion battery diaphragm and a lithium ion battery, and the preparation method comprises four steps which are shown in Figure 1 in Figure 1 in Figure 1 in the specification. According to the invention, C2N is introduced into the battery diaphragm, and the diffusive force in the nonsolvent phase inversion process is changed by C2N, so that the high-temperature-resistant lithium ion battery diaphragm (OPBI-C2N) of which the microscopic pore channel structure consists of regular, dense and ordered finger-shaped pores and spongy pores is obtained. The diaphragm can effectively inhibit disordered growth of lithium dendrites and improve the safety of the lithium ion battery; the diaphragm contains a bispyridine nitrogen structure, provides additional active sites for lithium ion transmission and storage, and is beneficial to rapid transportation of lithium ions; the diaphragm electrolyte is good in wettability and electrochemical stability, and the assembled battery shows excellent specific discharge capacity, cycling stability and rate capability, and especially has excellent charge-discharge stability at high temperature.

The utility model relates to a compressor pipeline filter which comprises a vertical pipe body with two closed ends, the side wall of the vertical pipe body is provided with an inlet and an outlet which are communicated with each other, and the vertical pipe body is axially provided with a filter screen plate which divides the interior of the vertical pipe body into a first chamber and a second chamber. The vertical pipe body is provided with an inlet and an outlet, the inlet is communicated with the first cavity, the outlet is communicated with the second cavity, the bottom of the vertical pipe body is provided with a water outlet communicated with the first cavity, and the vertical pipe body is further internally provided with a flow baffle which is located in the first cavity and is distributed with the inlet at an interval. And a gap is reserved between the lower end of the flow baffle and the inner wall of the bottom of the vertical pipe body. The device has the advantages that large-particle water vapor is deposited through the flow baffle and discharged from the water outlet in the bottom at the same time, and meanwhile due to the design of the vertical pipe body and the filter screen plate, small-particle water vapor attached to the filter screen plate can be rapidly deposited to the bottom of the vertical pipe body and discharged from the water outlet.

The invention discloses a circuit board pin protection layer preparation device and method.The device comprises a mounting plate, a plurality of pin protection layer preparation units are mounted on the mounting plate, and each pin protection layer preparation unit comprises a unit shell, an inlet pipe, an electric four-way valve, a protection layer liquid pipe, a pure water pipe, a gas pipe and an outlet pipe; the unit shell is provided with a deposition inner cavity capable of containing a chip and circuit board pins connected with the chip, the lower end of the deposition inner cavity is open, one end of the inlet pipe is connected with one side of the deposition inner cavity, one end of the outlet pipe is connected to the other side of the deposition inner cavity, and the other end of the inlet pipe is connected with one connector of the electric four-way valve. The other three connectors of the electric four-way valve are connected with one end of a protective layer liquid pipe, one end of a pure water pipe and one end of a gas pipe respectively. The circuit board pin protection layer prepared by the invention can effectively reduce the short circuit risk between adjacent pins, prevent the pins of the circuit board from being corroded, effectively improve the shock resistance of the pins, has small influence on heat dissipation of the circuit board, and is suitable for popularization and application.

The invention discloses flexible substrate coating equipment and method, and belongs to the technical field of coating equipment, the equipment comprises a vacuum cavity, a transmission device and a sputtering device, the transmission device and the sputtering device are both arranged in the vacuum cavity, and the transmission device is used for transmitting a substrate body; the sputtering device comprises a first rectangular sputtering module, a multi-target sputtering module and a second rectangular sputtering module which are sequentially arranged on the transmission path of the base material body at intervals and are started according to setting to conduct sputtering coating on the passing base material body. The method comprises the following steps: unwinding: driving a base material body to move along a transmission path through a transmission device; a first rectangular sputtering module, a multi-target sputtering module and a second rectangular sputtering module are started according to setting to conduct film coating on the passing base material body; and cooling: laminating the base material body and arranging a liquid cooling device to cool the base material body. According to the invention, more complex coating requirements can be met.

A lithium-mediated electrochemical method for ammonia synthesis, relating to the field of ammonia synthesis technology, solves the technical problems of severe side reactions, limited nitrogen mass transfer, and poor interfacial stability in existing lithium-mediated ammonia synthesis systems. Tetra(4-formylphenyl)porphyrin iron and an amino-containing multifunctional organic ligand are added to a mixed solvent of n-butanol and o-dichlorobenzene. An acid catalyst is added, and after stirring until homogeneous, the mixture is degassed and sealed for reaction. The solid product is collected by centrifugation, washed, and dried to obtain COF powder. This powder is then added to an ethanol-water solution, followed by ultrasonic dispersion with Nafion solution. The powder is then drop-coated / sprayed onto the surface of a carbon paper current collector and dried. This powder is used as the working electrode, with a platinum mesh as the counter electrode, a platinum wire as the quasi-reference electrode, and a LiBF4 tetrahydrofuran solution as the electrolyte. Ethanol is used as the proton donor, and electrolysis is performed under a nitrogen atmosphere using a constant current. This invention can be applied to the field of ammonia synthesis technology.

The utility model relates to a dust removal device, and provides a dust removal system for a construction site, which comprises a box body, a bracket arranged on the upper side of the outer wall of the box body, a flow divider arranged on the bracket, a pair of spray pipes respectively arranged on two sides of the flow divider, a water supply device connected with the spray pipes, and a blower device connected with the flow divider. The dust removal system for the construction site not only has more spraying directions and larger spraying area, but also can adjust the spraying direction and the spraying strength according to requirements.

The present invention provides a precursor supply device for a battery cell and a method thereof, wherein the device comprises: a base assembly, including a substrate, and the substrate is provided with a through hole for circulating gas. The present invention adjusts the distance between the substrate and the conveying assembly by means of an adjusting assembly, and the adjusting assembly adjusts the substrate and the conveying assembly to be close to each other, so that the distribution area of ​​the first precursor does not contact the distribution area of ​​the second precursor, and a passivation layer of multiple atomic layers is formed on the battery cell. The adjusting assembly adjusts the substrate and the conveying assembly to be away from each other, so that the first precursor and the second precursor contact each other in the end surface space of the battery cell and form aluminum oxide particles, and a passivation layer is formed on the battery cell by chemical vapor deposition, realizing the conversion between the atomic layer deposition method and the chemical vapor deposition method, so that the aluminum oxide layer on the battery cell meets both high-precision and fast deposition, and improves production efficiency.

The application provides a fattening method for Wuzhishan ant chicken, which comprises the following steps: setting an activity area in an orchard, erecting a grass shed above the activity area, connecting a chicken house with the activity area, sequentially adding a fluorescent LED lamp in the chicken house, and adding the fluorescent LED lamp and a blue LED lamp in the chicken house and the grass shed at the same time to obtain target Wuzhishan ant chicken; and the fluorescent powder of the fluorescent LED lamp is mainly prepared from magnesium carbonate, strontium carbonate, yttrium oxide, silicon oxide and aluminum oxide. The application builds an activity place for the ant chicken in the orchard, sequentially adds the fluorescent LED lamp in the chicken house, and adds the fluorescent LED lamp and the blue LED lamp in the chicken house and the grass shed at the same time, so that the ant chicken is bred, the metabolism level of the ant chicken is reduced, the fat deposition is promoted, the crude fat content of the ant chicken obtained after 100 days of breeding reaches more than 10%, and the purpose of rapidly fattening the ant chicken is achieved.

The utility model provides a laser-induced droplet deposition device which comprises a deposition assembly, the deposition assembly comprises a connecting piece, a plurality of droplet spraying assemblies connected to the connecting piece and a laser assembly, and the droplet spraying assemblies are arranged on the periphery of the laser assembly. According to the device, the plurality of liquid drop ejectors are matched with the laser for operation, so that accurate circuit patterns can be quickly deposited on the substrate with fewer consumables, and the obtained product is high in precision and low in production cost.

The invention discloses a preparation method and application of a zinc ion battery anode material based on nanocellulose fibrils and cellulose nanocrystals, and belongs to the field of polymer nano composite materials. The preparation method of the zinc ion battery anode material comprises the following steps: mixing zinc powder, carbon nanotubes, nanocellulose fibrils, cellulose nanocrystals and water to obtain a precursor solution; and filtering the precursor solution to obtain a filter membrane, freeze-drying, and pressurizing to obtain the zinc ion battery anode material. According to the invention, by taking the nano cellulose fibrils and the cellulose nanocrystals as raw materials and optimizing a corresponding preparation scheme, a unique nano structure can be endowed to a product, and a three-dimensional porous conductive network is formed, so that the contact area between an electrode material and an electrolyte is remarkably increased, rapid diffusion and uniform deposition of Zn < 2 + > are promoted, and the electrochemical performance of the electrode material is improved. The positive influence on the improvement of the coulombic efficiency of the battery and the prolonging of the cycle life is realized.

A four-chamber deposition system for a fuel cell plate metal carbide coating mainly includes: a film feeding chamber, a transition layer deposition chamber, a metal carbide layer deposition chamber and a film output chamber in sequence; the inlet and outlet of each chamber are provided with chamber valves, and the chamber valves separate the chambers on both sides from each other; a sample transmission device passes through the bottom of each chamber to form a closed loop; the sample is mounted on the sample transmission device, and the sample is carried through each chamber from left to right in sequence. The present invention adopts a combination of an unbalanced magnetic field and a balanced magnetic field, optimizes the matching of the magnetic field mode, the power supply system and the target-substrate distance, and improves the bonding performance and stability performance of the metal carbide coating; adopts a continuous small-scale deposition device, and introduces automated equipment such as a manipulator to achieve rapid deposition of the metal carbide coating, which can reduce the coating preparation cost.

The invention discloses a wax-proof reverse demulsifier and a preparation method and a use method thereof, and the wax-proof reverse demulsifier comprises a block polyether nonionic surfactant and fatty alcohol polyoxyethylene ether sulfate, the problems that in an oil field, a water-based paraffin inhibitor and a reverse demulsifier need to be used in high-water-content produced liquid at the same time, the total dosage is large, and the dosage cost is high are solved.

The invention relates to the technical field of electro-deposited aluminum, in particular to a preparation method of electro-deposited aluminum based on a reverse pulse deposition technology, which comprises the following steps: step 1, mixing anhydrous aluminum bromide and xylene, and stirring under the protection of inert gas until the mixture is dissolved to obtain a non-aqueous electrolyte solution; step 2, adding polyethylene glycol into the non-aqueous electrolyte solution, and stirring until the polyethylene glycol is uniformly dispersed to obtain a non-aqueous electrolyte solution containing the polyethylene glycol; 3, putting the cathode substrate into a non-aqueous electrolyte solution containing polyethylene glycol, and carrying out aluminum electro-deposition by adopting pulse reverse current; and 4, after the electro-deposition is finished, taking out the cathode substrate, cooling under the protection of inert gas, carrying out ultrasonic cleaning with absolute ethyl alcohol, and carrying out vacuum drying to obtain the aluminum deposition layer. The aluminum deposition layer prepared by the method has the advantages of grain refinement, smooth surface, compactness and uniformity.

The present invention belongs to the technical field of silver-coated copper powder preparation, and discloses a chemical wet deposition device for preparing micron silver-coated copper powder, including a preparation device, the bottom end of the preparation device is fixedly connected with a hydraulic cylinder 1, the inner cavity of the hydraulic cylinder 1 is fixedly connected with a spring piston rod 1, the top of the spring piston rod 1 is fixedly connected with a moving plate, the bottom end of the hydraulic cylinder 1 is fixedly connected with a hydraulic pipe, the top of the hydraulic pipe is fixedly connected with a hydraulic cylinder 2, the inner cavity of the hydraulic cylinder 2 is fixedly connected with a spring piston rod 2, and the top of the spring piston rod 2 is fixedly connected with a material control plate. According to the amount of copper powder solution added to the inner cavity of the preparation device, the amount of silver ammonia solution that can be added is changed to perform adaptive adjustment, and the staff only needs to fill the liquid storage cylinder that changes the storage space, and no longer needs to calculate the amount of silver ammonia solution that needs to be added.

The invention discloses a Fe-Sn modified composite Li negative electrode material and a preparation method and application thereof, and belongs to the technical field of lithium metal batteries, the preparation method comprises the following steps: step A, adding triethylamine and fluoroethylene carbonate into ethylene glycol dimethyl ether, and stirring to obtain a composite solvent; b, FeF3 and SnF2 are added into the composite solvent obtained in the step A, heating and stirring are conducted, and Fe-Sn composite liquid is obtained; and step C, dropping the Fe-Sn composite liquid obtained in the step B on the surface of a lithium sheet, and standing to obtain the Fe-Sn modified composite negative electrode Li material, so as to solve the technical problems that lithium dendrites cause short-circuit potential safety hazards, the electrode structure is damaged by sudden change of lithium volume, the cycle life is shortened, lithium consumption and performance degradation are intensified by repeated damage of an unstable SEI film, and HF is generated by reaction to corrode a battery assembly.