213 results about "Plasma technology" patented technology

The invention relates to the technical field of rare earth metal electrolysis cathode protection coatings, in particular to a high-temperature-corrosion-resistant yttrium-stabilized zirconia gradient coating on the surface of a tungsten cathode. A metallurgically bonded strong bonding bottom layer is constructed on a tungsten substrate through surface pretreatment and reactive sintering, then an atmosphere plasma technology is adopted to spray a creep-resistant gradient layer with continuous components to buffer thermal stress, and finally a sol-gel technology is utilized to construct an extremely compact corrosion-resistant surface layer in a superposition mode. The high-temperature-corrosion-resistant yttrium-stabilized zirconia gradient coating is constructed through a multi-scale and multi-mechanism synergistic effect, the problems that a tungsten cathode coating is insufficient in binding force and poor in thermal shock resistance are fundamentally solved, molten salt permeation can be blocked, and the service life of a tungsten cathode in a severe environment is remarkably prolonged.

The invention belongs to the technical field of halide solid-state electrolyte, and relates to a high-conductivity and high-lithium-stability modified halide solid-state electrolyte material constructed by solid source plasma, and a preparation method and application of the high-conductivity and high-lithium-stability modified halide solid-state electrolyte material. According to the preparation method, a halide solid electrolyte is taken as a matrix, halogenated ammonium salt is taken as a solid source, and the halide solid electrolyte is subjected to synergistic doping modification of elements such as nitrogen, fluorine / chlorine / bromine and the like by utilizing a plasma technology, so that the modified halide solid electrolyte material is obtained. The modified halide solid electrolyte material shows excellent conductivity and lithium-lithium symmetrical battery performance, and has a wide market application prospect. Meanwhile, the preparation method provided by the invention is simple, rapid, efficient and convenient, is easy to control, and contributes to promoting the development and application of the high-performance halide solid electrolyte material.

The invention belongs to the technical field of microwave plasmas, and particularly relates to a magnetized atmospheric pressure pulse microwave plasma jet discharger. The discharger is reasonable in design, microwave energy is fed into the discharge chamber through the SMA interface, high electric field intensity is formed at the tip of the hollow needle electrode, and fed working gas is disrupted and discharged; a magnet exciting coil outside the quartz tube generates an axial magnetic field inside the quartz tube through direct current, electrons do spiral cycloid motion in an electromagnetic field, and electron cyclotron resonance can be achieved under the field. Through magnetic field constraint, high-energy electrons are constrained in a core area, a motion path is prolonged, effective collision times are increased, gas dissociation efficiency and ionization degree are improved, and collision loss of the electrons and a wall surface is reduced; the plasma jet performance is improved; the device works in an atmospheric pressure environment, does not need a vacuum system, reduces equipment cost and maintenance difficulty, reduces electrode sputtering and cavity corrosion, and prolongs the service life of core components.

The invention provides a method and device for reducing coating defects of a disc-type ceramic membrane, and the method comprises the following steps: positively mounting a clamp on a spraying station, enabling the ceramic membrane to dynamically rotate, and cleaning and activating the front surface of the ceramic membrane by adopting a low-temperature plasma technology; carrying out negative pressure suction on the ceramic membrane while the ceramic membrane is dynamically rotated, and spraying a membrane preparation liquid on the front surface of the ceramic membrane by adopting ultrasonic atomization; and dynamically rotating the ceramic membrane, and performing negative pressure suction on the ceramic membrane, so that the circular arc part of the ceramic membrane is dynamically dip-coated in the membrane preparation liquid. According to the method, dynamic rotation of the ceramic membrane, negative pressure and ultrasonic spraying are cooperated, ultrasonic atomized liquid drops are sucked into a micropore structure or surface gaps when making contact with the surface of the ceramic membrane, pinholes or defects of the membrane layer are avoided, and the uniform, dense and defect-free membrane layer is formed; and non-contact with the ceramic membrane can be realized, and the coating defect caused by improper contact before the membrane layer is dried is effectively prevented.

The invention discloses a silicon-carbon composite negative electrode material and a preparation method and application thereof, the silicon-carbon composite negative electrode material comprises porous carbon and silicon particles attached to the porous carbon, and an attachment method between the porous carbon and the silicon particles comprises chemical bond attachment. The lithium battery prepared from the silicon-carbon composite negative electrode material disclosed by the invention has excellent first effect, specific capacity and cycle capacity retention rate. And the preparation method of the silicon-carbon composite negative electrode material has the characteristics of one-step double effects, greenness and high efficiency. Besides, the plasma technology is utilized to excite the medium gas, the two key steps of pore forming and functionalization are completed in one step through the synergistic effect of different medium gases, compared with a traditional chemical activation method, use of strong acid and strong base and the tedious cleaning process are avoided, no waste water is discharged, and the method is more environmentally friendly and saves more energy.

The invention discloses a plasma generator and a traditional Chinese medicine disinsection device thereof, and belongs to the technical field of plasma. The plasma generator comprises a base, a first electrode, a second electrode and a heat preservation pipe. The core of the device is that high-concentration mixed gas is ionized into plasma'kindling 'through discharge of the central electrode and the tubular electrode, and the'kindling' ignites extremely rarefied mixed gas, so that stable and low-consumption combustion is realized. The disinsection device integrates the generator, an air path system and a transmission and air injection device, and the high-temperature air flow generated by the generator is used for carrying out double-sided uniform injection on the medicinal materials subjected to transmission and turn-over treatment, so that worm eggs are effectively killed at instantaneous high temperature, and no medicine residues exist. The device has the advantages of high efficiency, safety and energy conservation.

This invention relates to a pre-fabricated tritium target based on a polycrystalline film and its manufacturing method, belonging to the field of plasma technology. The pre-fabricated tritium target includes an oxygen-free copper target substrate, a first zirconium film, a high-entropy ceramic tritium-blocking layer, and a second zirconium film sequentially deposited on its surface. The manufacturing method includes: pre-treating the oxygen-free copper target substrate; sequentially depositing multiple layers of films using a magnetron sputtering process to form a polycrystalline film layer; purging the oxygen-free copper target substrate with the polycrystalline film layer with tritium; and bonding the oxygen-free copper target substrate to an oxygen-free copper target holder. The pre-fabricated tritium target based on a polycrystalline film of this invention solves the problem of balancing heat dissipation and tritium blocking performance in traditional processes, achieving a balance between heat dissipation and tritium blocking capabilities. This allows the prepared pre-fabricated tritium target to be reused, improving the utilization rate of the pre-fabricated tritium target and reducing the cost of using neutron tubes.

The invention provides a microwave plasma preparation method and application of a manganese-based potassium ion battery positive electrode material, and the method comprises the following steps: S1, dissolving a dispersant in deionized water and ethanol to obtain a mixed solvent; s2, ball-milling and mixing a potassium source, a manganese source and other transition metal sources in the solvent to form uniform slurry; and S3, putting the precursor prepared by spray drying into a microwave plasma sintering furnace, and quickly heating and calcining to obtain the manganese-based potassium ion battery positive electrode material. Spray drying is adopted to remove a solvent, the morphology is controlled, and solvent residues are avoided; calcining is rapidly completed through a microwave plasma technology, the sintering time is shortened to the minute level, the productivity is improved, and the energy consumption is reduced; ball milling, spray drying and microwave plasma sintering are easy to increase the yield, and a new path is provided for large-scale production.

The invention relates to the field of low-temperature plasma catalyst preparation, and discloses a composite catalyst as well as a preparation method and application thereof. The composite catalyst comprises a carrier as well as manganese oxide, an auxiliary active component and a heat stabilizer which are loaded on the carrier, the auxiliary active component is transition metal oxide, and transition metal is selected from at least one of Cu, Co and Ce; the carrier is selected from one or two of alpha-Al2O3, gamma-Al2O3, eta-Al2O3, a high-silicon Y type molecular sieve, a ZSM-5 type molecular sieve and an MCM-41 type molecular sieve; and the heat stabilizer is selected from one or more than two of La oxide, Nd oxide and Pr oxide. The composite catalyst is coupled with a low-temperature plasma technology, dual control over VOCs and by-products NOx and ozone can be achieved, the degradation efficiency of the VOCs can be improved, meanwhile, emission of the by-products can be reduced, and green treatment of the VOCs is achieved.

The invention relates to the technical field of plasma, in particular to a plasma cleaning device capable of being spliced. The plasma generator comprises a main cavity, side plates, an electrode assembly and a high-voltage electric connector, the side plates are connected to the two sides of the main cavity in a sealed mode, the main cavity is formed by splicing a plurality of cavity modules, each cavity module is provided with a discharge area, an exhaust area, a plasma air outlet, an exhaust inlet and a splicing installation position, the discharge areas of the multiple cavity modules are communicated, and the exhaust areas of the multiple cavity modules are communicated with the splicing installation position. The exhaust areas of the plurality of cavity modules are communicated, the discharge areas are isolated from the exhaust areas, the plasma gas outlets are communicated with the discharge areas, the exhaust inlets are communicated with the exhaust areas, an electrode assembly is installed in the discharge area of each cavity module, and the high-voltage electric connectors are connected with the electrode assemblies. And the side plates and the cavity modules are positioned, butted and fixed through the splicing mounting positions. The cleaning heads with different lengths are composed of a modular product and can be spliced and customized according to customer requirements, and the overall transformation cost and the manufacturing cost can be reduced.

The invention discloses a low-temperature plasma modified efficient hydrogen evolution catalyst. The method comprises the following steps: preparing a nano core-shell structure catalyst with uniform size through liquid-phase synthesis and layer-by-layer self-assembly, and introducing vacancies, defects and other unsaturated active sites on the surface of the nano core-shell structure catalyst; and then nitrogen and the like are used as a reaction atmosphere of a plasma chamber, and the surface of the catalyst is treated through a low-temperature plasma technology for catalyst performance regulation and control. The method has the advantages of simple process, low energy consumption, no need of adding extra chemical reagents, environmental friendliness and the like, and has a good application prospect. The preparation and regulation method of the electrocatalyst can be suitable for application of an electrocatalytic efficient hydrogen evolution catalyst. The material regulated and controlled by the plasma has higher current density and lower overpotential in hydrogen evolution reaction, and shows more excellent electrocatalytic activity and stability.

The invention provides an anti-ion sputtering sealing structure, which relates to the field of plasma technology application and comprises a metal cover plate, a vacuum cavity, a sealing ring and a ceramic ring. And three grooves are formed in the metal cover plate and are respectively used for placing and limiting the sealing ring, the ceramic ring and the vacuum cavity. The sealing ring is used for connecting the metal cover plate and the vacuum cavity in a sealed mode, the ceramic ring is placed between the plasma and the sealing ring, and the energy of the plasma reaching the sealing ring is effectively attenuated by increasing the refraction path of the plasma at the connecting gap. According to the invention, the ablation risk of the plasma to the sealing ring is reduced, and plasma pollution and vacuum rupture caused by damage of the sealing ring are prevented, so that the long-term stable operation of the ion source system is ensured.

This invention discloses a portable low-temperature plasma device based on a Laval nozzle structure and its application, belonging to the field of plasma technology application technology. Specifically, it includes (1) the construction of the device; and (2) the use of the device for fungal eradication treatment and transdermal drug delivery enhancement treatment. The beneficial effects achieved by this invention are as follows: This invention is the first to apply the Laval nozzle structure to a portable low-temperature plasma device. The results show that the device can effectively improve the plasma jet performance and active particle content, significantly improve the treatment effect of fungal infections of the skin and nails and the transdermal drug penetration efficiency, while solving the problems of large size, reliance on external power supply, and complex operation of traditional plasma devices. Therefore, using this invention for the treatment of fungal infections of the skin and nails and for enhanced transdermal drug delivery has advantages such as ease of operation, high safety, non-invasiveness, and high efficiency, and thus has potential application prospects in the field of skin disease treatment and transdermal drug delivery.

The invention discloses a medical-grade ultralow-adsorption cycloolefin copolymer (COC) material and a preparation method thereof. According to the material, COC serves as matrix resin, surface-modified nano silicon dioxide is loaded through in-situ polymerization, and a perfluoroalkyl siloxane (PFAS) coating is grafted on the surface of the material through a normal-pressure plasma technology. The preparation method comprises the following steps: surface modification of nano-SiO2, in-situ polymerization of COC, loading of nano-SiO2, and continuous grafting of PFAS with normal-pressure plasma. The adsorption rate of the material is as low as 3.2 * 10 <-7 > copy / mu L (annual loss rate); the temperature from-196 DEG C (liquid nitrogen) to 121 DEG C (autoclaved sterilization) can bear 16,000 g centrifugation without rupture; by means of ethylene oxide sterilization or gamma ray irradiation, it is ensured that the product is free of endotoxin (1t, 0.001 EU / mL), free of DNA enzyme / RNA enzyme residues and other excellent performance, the problems of high adsorption rate and low-temperature brittleness of a traditional COC material in biological sample storage are effectively solved, and the method is suitable for large-scale production of high-end medical cryopreservation tubes and other products.

The utility model relates to the technical field of formaldehyde purification, and particularly discloses a multifunctional portable formaldehyde purification module which comprises an environment detection module used for monitoring the temperature, humidity and formaldehyde concentration of an air environment in real time and outputting monitored data; the plasma generation module is used for degrading formaldehyde in the surrounding environment; the display module is used for receiving the data output by the environment detection module and displaying the temperature data, the humidity data and the formaldehyde concentration data in real time; and the main control board circuit is electrically connected with the environment detection module, the plasma generation module and the display module and controls the environment detection module, the plasma generation module and the display module. According to the multifunctional portable formaldehyde purification module disclosed by the utility model, when formaldehyde is monitored to exceed the standard, the formaldehyde is degraded more effectively through a plasma technology.

The application provides a plasma device and a gas reforming method for improving gas conversion performance, the tail ends of three quartz tubes are communicated with each other, an outer electrode is attached to the outside of each quartz tube, the three outer electrodes are connected with each other through metal wires, an inner electrode is arranged in each quartz tube, an air outlet is arranged on the first quartz tube, a first air inlet and a second air inlet are arranged on the second quartz tube and the third quartz tube respectively, the first inner electrode is connected with high voltage, and the second inner electrode and the third inner electrode are grounded. The application utilizes dielectric barrier discharge plasma technology to form a two-section compact plasma reaction system, uses two-section discharge, makes the reaction gas change from a ground state molecule to an excited state molecule in the left and right end discharge areas, and makes the reaction gas in different energy levels, so that the gas reforming reaction is more likely to occur, the energy consumption is reduced, and these steps are integrated in the same reaction, the device volume is reduced, and the reaction conversion performance is improved.

The invention provides a method and a device for purifying tail gas of a mining diesel vehicle. A method for purifying tail gas of a mining diesel vehicle comprises the steps of high-gravity field purification and non-thermal plasma purification, the high-gravity field purification process comprises the steps that a thiol surfactant is added into an aqueous solution, liquid is sprayed to the outer edge of a rotor from an outer water spraying pipe through a centrifugal pump, and the tail gas makes countercurrent contact with the liquid in an outer cavity; particulate matters, sulfides and soluble pollutants in the tail gas are captured by the liquid, and the tail gas which is not captured and absorbed is dried and then is subjected to non-thermal plasma purification. According to the purification method, particulate matter is removed through high gravity field pretreatment, the burden of a follow-up non-thermal plasma technology catalytic system is reduced, and the gaseous pollutant treatment efficiency of the purification method is improved. Sulfides are effectively removed through high gravity field pretreatment, the sulfur resistance of the catalyst is improved, and the service life of the catalyst is prolonged.

The invention belongs to the technical field of plant extraction, and provides a preparation method of a gastrodia elata extract. According to the method, the hot solvent at the temperature of 70-90 DEG C is firstly mixed with plants, then low-temperature plasma treatment is performed at the temperature of 20-30 DEG C, then countercurrent extraction is performed, the low-temperature plasma technology can enable active ingredients to be dissolved out more easily by breaking cell walls, countercurrent extraction is performed through countercurrent flowing of the solvent and materials, the extraction efficiency is improved to the maximum extent, the extraction time is shortened, and the extraction efficiency is improved to the maximum extent. The active ingredients are not damaged, the extraction rate of the active ingredients is high, the extracted ingredients are more comprehensive, a large number of organic solvents are not needed, and the method is energy-saving, environment-friendly and suitable for large-scale industrial production. The gastrodia elata extract prepared by the invention has excellent whitening and anti-oxidation effects, and can be further applied to the field of daily chemicals.

The useful solution describes a process for breaking the dormancy of Vietnamese ginseng (Panax vietnamensis) seeds using plasma technology, which includes the following steps: a) seed collection and preliminary processing; b) treatment with plasma-activated water (PAW); c) treatment with gaseous plasma; and d) breaking the dormancy of Vietnamese ginseng seeds. In addition, the solution also describes a process for producing Vietnamese ginseng (Panax vietnamensis) seedlings, which includes the following steps: a) seed treatment; b) sowing treated seeds into a substrate; and c) seedling care. The process described in the solution stimulates development and completes embryo structure, shortens seed dormancy, increases germination rates, and allows for proactive seedling production of Vietnamese ginseng.

This utility model relates to the field of plasma device technology, and more particularly to an atmospheric pressure microwave jet plasma device. It primarily addresses the problems of mainstream vacuum plasma cleaners, which rely on low-pressure environments, resulting in high equipment costs, complex vacuum environment setup and maintenance, and potential impacts on processing efficiency, thus hindering the widespread application of low-temperature plasma technology. The proposed technical solution includes a controller for outputting microwave signals and process gases; a nozzle module connected to the controller for generating plasma to clean objects; and a fixing plate fixedly connected to the side of the nozzle module, on which a mounting bracket is installed for fixing the nozzle module to the production line frame. This utility model can operate at atmospheric pressure, avoiding the problems associated with vacuum environments, thus reducing costs and operational difficulty, while ensuring stable and efficient operation, facilitating the widespread application of plasma technology.

The application discloses a portable sterile water preparation device using a plasma technology and belongs to the technical field of sterile water preparation. The device comprises a shell, a splash-proof baffle, an end cover, a flow guide device, a sealing cap, a flexible material and a porous medium. The flexible material generates plasma through discharge to fill the closed shell. The porous medium has water absorption and can absorb a liquid to be treated. The plasma diffuses into the porous medium and performs sterilization treatment on the liquid to be treated. The sterile water is prepared through an indirect treatment mode. The device has the advantages of portability, simple operation and safety in the sterile water preparation process.

The invention discloses a surface dielectric barrier discharge exciter working mode on-line diagnosis device based on electroacoustic signal coupling characteristics, and belongs to the cross technical field of plasma technology and electrical equipment state monitoring. Voltage and current waveforms and excitation acoustic signals in the discharge process are synchronously collected, and associated characteristics of the voltage and current waveforms and excitation acoustic signals in a time domain, a frequency domain and an energy coupling layer are extracted, so that non-optical and real-time on-line judgment of filamentous discharge, dispersion discharge and a transition state in a typical working mode of surface dielectric barrier discharge is realized. The device does not need high-speed imaging equipment, is suitable for exciter state monitoring and closed-loop regulation and control in severe environments such as flow control, and has the advantages of simple structure, quick response, high environmental adaptability and the like.

The invention discloses a production process and equipment for a non-woven fabric and fiberboard composite product, and belongs to the field of production of non-woven fabric and fiberboard composite products. Fiberboard pretreatment: activating the surface of the fiberboard by adopting a low-temperature plasma technology, and introducing a polar group to the surface of the fiberboard to enhance the surface energy of the fiberboard; and then nano-scale roughening treatment is conducted, a micro nano concave-convex structure is formed on the surface of the fiberboard through the laser engraving technology, and the specific surface area of the surface is increased. According to the method, the process improvement of combining the low-temperature plasma technology and the nanoscale roughening treatment is adopted in the fiberboard pretreatment stage, multiple polar groups are successfully introduced to the surface of the fiberboard, the surface energy of the fiberboard is increased to 65 mN / m from 35 mN / m, meanwhile, a microcosmic nanometer concave-convex structure is engraved by means of laser engraving equipment, the specific surface area of the surface is increased by 60%, and the specific surface area of the surface is increased by 60%. And the binding force between the fiberboard and the non-woven fabric is greatly enhanced.

The invention discloses a polysaccharide aldehyde modification method based on a plasma technology, relates to the technical field of biological material modification, and aims to solve the problems of environmental pollution, harsh reaction conditions and complex product purification in the conventional chemical oxidation method. Comprising the following steps: S1, preparing a polysaccharide solution; dissolving polysaccharide in a solvent, and stirring until the polysaccharide is completely dissolved to obtain a homogeneous polysaccharide solution; and S2, plasma in-situ oxidation treatment. In an inert gas atmosphere environment, plasma is generated by using a coaxial dielectric barrier discharge device, and active substances of the plasma directly act on a polysaccharide solution, so that an aldehyde group is introduced to a polysaccharide molecular chain, and an aldehyde polysaccharide solution is obtained. And S3, freeze-drying and forming. And freeze-drying the obtained aldehyde polysaccharide solution to obtain the aldehyde polysaccharide solid material with the three-dimensional porous network structure. The method is simple and convenient to operate, easy to popularize, simple in equipment, short in process, free of complex purification steps and beneficial to laboratory and large-scale production and application.

The invention discloses a plasma processing device and method for constructing a photo-thermal anti-icing surface through a one-step method, and relates to the technical field of plasmas, the plasma processing device comprises a processing module, the processing module comprises a gas bottle, a gas path piece and a fluidization piece which are connected with the output end of the gas bottle, and a gas mixing box connected with the output end of the gas path piece and the output end of the fluidization piece; and the reaction module is connected with the output end of the gas mixing box and comprises a reaction piece connected with the output end of the gas mixing box and a plasma excitation source connected with the reaction piece. The method has the beneficial effects that the photo-thermal anti-icing film is constructed on the surface of the to-be-treated base material through atmospheric pressure plasma, argon Ar serves as working gas, the low-surface-energy hydrophobic medium and the photo-thermal powder are taken out through a bubbling method and a fluidization method respectively and crushed under the action of the plasma, and the low-surface-energy hydrophobic medium and the photo-thermal powder are polymerized and grafted again on the surface of the to-be-treated base material to form the film. The coating has a micro-nano microstructure and a light absorption and heating effect, and the anti-icing performance is further enhanced.

The application discloses a preparation method of an antioxidant lead-free tin-based solder alloy for high temperature, and belongs to the technical field of solder alloy production processes. When the solder alloy is prepared by the method, elements in raw materials include the following in percentage by mass: 88-95% of Sn, 1-4% of Ag, 0.5-3% of Bi, 0.1-1% of Y, 0.05-0.2% of Hf, and the balance is inevitable impurities. The preparation method of the solder alloy is as follows: after metal raw materials are pickled and dried, Sn is first smelted and kept warm under inert gas protection, then Ag and Bi are added, stirring and heating, Y and Hf are further added and ultrasonic smelting is conducted; after a deoxidizing agent is added and reacts, the solder alloy is placed and slag is removed; three-stage refining is conducted through plasma atomization, high-low frequency ultrasonic treatment and a pulse ultrasonic conversion system; finally, the solder alloy is cooled, sieved and annealed to obtain the solder alloy. The application combines plasma technology, gas atomization and ultrasonic technology, realizes preparation of a tin-based solder alloy with uniform composition, high oxidation resistance and excellent mechanical properties, and meets the needs of the electronic welding field under high temperature environment.

The invention provides a preparation method of tetrafluoroethylene and / or hexafluoropropylene, and relates to the technical field of resource utilization. The invention provides a tetrafluoroethylene and / or hexafluoropropylene preparation method, which comprises: introducing a fluorine-containing greenhouse gas into a plasma reactor provided with a stepping graphite cathode, and carrying out a cracking-recombination reaction to obtain tetrafluoroethylene and / or hexafluoropropylene, the molar ratio of fluorine to carbon in the fluorine-containing greenhouse gas is greater than or equal to 2; the temperature of the plasma reactor is greater than or equal to 1500K. According to the method, a plasma technology is adopted, a stepping graphite cathode is used as a supplementary carbon source, chemical bonds in fluorine-containing greenhouse gas molecules are broken and recombined, and tetrafluoroethylene and / or hexafluoropropylene are / is generated. The preparation method provided by the invention is high in raw material conversion rate, high in selectivity of tetrafluoroethylene and / or hexafluoropropylene and high in yield; and the preparation method is simple in process, simple to operate, low in energy consumption, green, environment-friendly, low in production cost and suitable for industrial production.

The invention belongs to the field of waste battery material recovery, and provides a waste battery material recovery method based on a plasma chemical vapor deposition technology. Firstly, a network compound with a metal chelating function is synthesized and forms stable combination with active sites on the surface of an electrode in subsequent coating deposition, and harmful metal ions are effectively captured; secondly, a fluorine-containing imidazolyl-quaternary ammonium salt network compound is designed, and the fluorine-containing imidazolyl-quaternary ammonium salt network compound is endowed with excellent surface passivation and chemical stability by a fluorinated group; in the stripping process, the active material and the metal current collector are separated by periodically adjusting the temperature and combining the plasma technology, the stripped active powder can be further extracted and purified through acid pickling treatment, and the metal current collector is combined with a fluorine-containing compound and an inorganic silica network deposition process. The metal surface is endowed with good corrosion resistance and reprocessing performance, the method is suitable for recycling of electrode materials in waste batteries, and meanwhile the recycling value of related materials is improved.

The invention belongs to the technical field of agricultural product processing, and discloses a sterilization method of cold dressed cucumbers, which comprises the following steps: 1) checking and accepting cucumber raw materials; 2) washing with clean water; 3) cleaning with acidic electrolyzed water; 4) washing with clean water; 5) segmenting; 6) performing low-temperature plasma sterilization; 7) adding a seasoning bag; and 8) packaging. According to the invention, a non-thermal processing technology is selected, acidic electrolyzed water is coupled with a low-temperature plasma technology, the cold-dressed cucumber is treated, and the color, fragrance, taste, nutritional ingredients and edible safety of the cold-dressed cucumber are maintained to the greatest extent. The technical process is green, pollution-free, convenient to operate and high in efficiency.

The utility model relates to the technical field of microwave plasma, in particular to a plasma ignition electrode assembly, which comprises an electrode stem outer rod, an electrode tip and a feeding rod, the feeding rod is arranged in the center inside the electrode stem outer rod, one end of the feeding rod is in threaded connection with the inside of the electrode tip, and the other end of the feeding rod is in threaded connection with the inside of the electrode tip. One end of the feeding rod is connected with the electrode tip, the other end of the feeding rod is provided with a feeding pipe joint communicated with the feeding rod, the electrode stem outer rod is connected with the electrode tip, the feeding pipe joint, the feeding rod and the electrode tip are communicated to form a feeding channel, and the plasma ignition electrode assembly further comprises a cooling assembly used for cooling the electrode stem outer rod, the electrode tip and the feeding rod. The feeding pipe connector, the feeding rod and the electrode tip are designed to be communicated to form the feeding channel, materials can be directly fed in, sequentially pass through the feeding pipe connector, the feeding rod and the electrode tip and finally are directly fed into the center of the torch body, the materials can be completely treated, and even solid materials can be completely treated.