40 results about "Liquid lithium" patented technology

The invention discloses a tantalum-doped lithium metal composite negative electrode and a preparation method thereof. The preparation method comprises the following steps: melting solid-state lithium metal into liquid-state lithium metal; the tantalum metal is added into the liquid lithium metal to be mixed and stirred, the tantalum-doped lithium metal composite material is obtained after standing and cooling, and the adding amount of the tantalum metal is 0.1-10 wt% of the mass of the liquid lithium metal; and rolling the tantalum-doped lithium metal composite material to obtain the tantalum-doped lithium metal composite negative electrode, so that the tantalum is introduced into the lithium metal through a melt doping process, and the formed tantalum-doped lithium metal composite negative electrode can inhibit the growth of lithium dendrites and prolong the cycle life of the battery.

In order to solve the safety problem after formation of the semi-solid lithium ion battery, the invention provides an electrolyte and the semi-solid lithium ion battery, the electrolyte comprises the following raw materials: a lithium salt, an organic solvent, a polymeric monomer, a cross-linking agent and an initiator, the polymeric monomer is one or more of substances shown in the following structural formula, and n is an integer between 1 and 6. According to the semi-solid lithium ion battery obtained by in-situ polymerization of the electrolyte, after formation, the battery can meet the safety in the recycling process, and meanwhile, the cycle performance basically equivalent to that of a liquid lithium ion battery is obtained.

The utility model discloses a distillation reaction device for preparing liquid lithium bis (fluorosulfonyl) imide, which is characterized in that 1-3 feed pipes are arranged at the top of an evaporation tank main body, a steam output pipe is also arranged at the top of the evaporation tank main body, a temperature detector is arranged on the steam output pipe, a material output pipe is arranged at the bottom of the evaporation tank main body, and the temperature detector is arranged on the material output pipe. A constant-temperature electric heater is arranged at the bottom of the interior of the evaporation tank main body, and the distillation reaction device for preparing the liquid lithium bis (fluorosulfonyl) imide improves the conditions that in the actual use process in the prior art, evaporation is only performed on the surface of liquid under the condition that boiling is not performed in the heating process, and the evaporation efficiency is limited by the surface area of the liquid; through a spraying mode, the surface area of liquid evaporation is greatly increased, the evaporation efficiency is improved, and the overall working efficiency of equipment and an assembly line is improved.

The invention discloses a low-cost solid electrolyte of a molecular sieve composite polymer binder as well as a preparation method and application of the low-cost solid electrolyte, and belongs to the technical field of electrochemistry and solid-state batteries. A low-cost solid electrolyte of a molecular sieve composite polymer binder is composed of molecular sieve powder and an ionic conductive polymer binder, and the molecular sieve powder comprises at least one of transferable lithium ions, sodium ions or potassium ions. The slurry coating film-forming technology adopted by the invention is highly compatible with the electrode coating process of the existing liquid lithium ion battery, a high-temperature sintering step does not need to be introduced, the existing battery production line equipment can be used for transformation and upgrading, and the industrialization threshold and the equipment investment of the solid-state battery are greatly reduced.

The embodiment of the present application discloses a kind of lithium battery control device and control method, wherein lithium battery control device includes, liquid lithium battery loop, solid-state lithium battery loop, voltage sensor and control part;Liquid lithium battery loop and solid-state lithium battery loop are in parallel;Liquid lithium battery loop includes liquid lithium battery pack and first control switch;Liquid lithium battery pack and first control switch are in series;Solid-state lithium battery loop includes solid-state lithium battery pack, second control switch and current-limiting resistor;Solid-state lithium battery pack, second control switch and current-limiting resistor are in series;Solid-state lithium battery loop further includes third control switch;Second control switch and current-limiting resistor are in parallel with third control switch;The embodiment of the present application solves the problem that battery pack voltage is not matched when liquid lithium battery pack and solid-state lithium battery pack are used together, while realizing that the life of liquid lithium battery pack and solid-state lithium battery pack is nearly consistent.

The present application belongs to the technical field of high-purity metal preparation, and particularly relates to a vacuum distillation device. The vacuum distillation furnace body is sequentially provided with an evaporation zone, a condensation zone and a melting zone from bottom to top. The evaporation zone is provided with a reflux plate. The condensation zone is provided with a gas guide pipe, a condensation disc, a flow guide pipe and a liquid seal assembly. The flow guide pipe is inserted into the gas guide pipe. The liquid seal assembly is provided with a liquid lithium valve on a liquid seal pipeline. The melting zone is provided with a cone valve and a feed inlet. The vacuum distillation furnace body is located in a heating furnace chamber. The vacuum distillation furnace body is in communication with a vacuum ingot casting box. The vacuum ingot casting box is provided with a crucible, a rotating unit, a motor and heating fins. The present application purifies lithium metal by using a vacuum distillation method, and realizes the preparation of high-purity lithium metal.

A functionalized coated separator and lithium-ion battery, by grafting and modifying the polymer backbone PVDF of the coating layer with single-ion conductor lithium salt, effectively constructs a single-lithium-ion conduction ion transport layer at the electrode / electrolyte interface without changing the original function of the coating layer. In lithium-ion battery systems, only lithium ions actually participate in the electrochemical reaction and energy conversion process. The movement of anions in the electrolyte will cause their accumulation on the electrode surface, leading to increased battery polarization and interfacial side reactions. The PVDF coating layer itself can effectively improve the adhesion between the separator and the electrode and the wettability with the electrolyte. By introducing immobilized anionic groups on the PVDF backbone, the functionalization of interfacial single-lithium-ion transport provided by this invention can further optimize the performance of the coating layer, the separator, and the liquid lithium-ion battery.

The utility model relates to the technical field of nozzle structures, in particular to a nozzle structure for jetting a liquid lithium target. According to the technical scheme, the nozzle structure comprises a liquid inlet pipe and a flow trace adjusting valve connected to the output end of the liquid inlet pipe, the bottom end of the flow trace adjusting valve is connected with a second-stage Laval nozzle in a sealed mode, the tail end of the second-stage Laval nozzle is connected with a concave back wall, and a liquid collecting groove is formed in the lower portion of the concave back wall; the flow trace adjusting valve comprises a diameter expanding section and a restraining section, the liquid inlet pipe is connected with the diameter expanding section, and the restraining section is internally composed of a plurality of sets of densely-arranged holes. The nozzle structure provided by the utility model can continuously and stably form a jet liquid lithium film, can form a stable liquid lithium film on a concave back wall, and meets the formation requirement of a liquid lithium target.

The application discloses a continuous preparation process and device of liquid lithium hexafluorophosphate, and comprises the following operation steps: A10), continuously feeding lithium fluoride suspension to the top of a hexafluoride reaction plate tower; continuously feeding gaseous high-purity phosphorus pentafluoride to the bottom of the hexafluoride reaction plate tower; A20), carrying out reaction in the hexafluoride reaction plate tower, and feeding the reaction product from the bottom of the hexafluoride reaction tower into a bottom tank; A30), feeding the remaining reaction product output by a circulating heat exchanger into a liquid lithium hexafluorophosphate product extraction tank in one way and into a lithium fluoride suspension preparation kettle in the other way; and A40), connecting a filter to the product extraction end of the product extraction tank to remove the excessive solid-phase material after reaction, so as to obtain the liquid lithium hexafluorophosphate, the hydrogen chloride content of which is less than 25 ppm, and the hydrogen fluoride is not detected; the application has high continuous level and stability, does not need additional deacidification treatment, and has obviously higher output efficiency, and does not have the hidden troubles of shutdown maintenance due to problems such as blockage.

This invention belongs to the field of lithium battery material technology, specifically relating to an ultrathin lithium metal anode material with (110) crystal orientation, its continuous preparation method, and its application. The preparation method of this invention includes: Step 1: synthesizing an MXene dispersion; Step 2: preparing an MXene base film or an MXene-modified copper current collector, using it as a substrate; Step 3: heating a lithium source to a molten state under a protective atmosphere to obtain liquid lithium metal; Step 4: adhering the liquid lithium metal to the surface of the MXene base film or the MXene-modified copper current collector as a coating using a hot-pressing method, controlling the thickness of the lithium metal coating by adjusting the lithium loading, and then cooling to room temperature, etc. The preparation method of this invention, through the control of MXene, can prepare lithium metal foil with a thickness of 2-50 micrometers and a preferred (110) crystal orientation, and is suitable for roll-to-roll continuous production. The ultrathin MXene base film-lithium metal composite foil of this invention can be used as a lithium metal battery anode.

The application belongs to the technical field of functional hydrogel and its adsorption and extraction application, and provides Mxene / polyazole flexible composite hydrogel, a preparation method and application thereof, so as to solve the problem of poor flexibility and mechanical property of the current hydrogel. The hydrogel is MXene / PPy / HMO composite flexible hydrogel, and is directly used as a bulk material to realize lithium recovery. Lithium ion sieve (HMO), MXene and polyazole network are crosslinked with each other to form a three-dimensional network structure; the mass of MXene is 1%-5% of the polyazole hydrogel, a Mxene network is formed through physical crosslinking, the contained elements are carbon and titanium, and the atomic number ratio is 2:3; a polyazole hydrogel network is formed through chemical crosslinking. In the presence of MXene and HMO, polyvinyl alcohol and sodium dodecyl sulfonate are introduced, and in-situ polymerization can be carried out. The hydrogel has good flexibility and stretchability, and can be self-healing. The method is simple and easy to implement, and a flexible liquid lithium adsorbent can be directly prepared.

The invention relates to a preparation method of lithium sulfide, lithium sulfide and a system. The method comprises the following steps: preparing lithium sulfide under the condition of isolating air and moisture; a first raw material containing a liquid lithium source and a second raw material containing a sulfur element are respectively sprayed into a cyclone reactor in a horizontal or rotational flow downward manner through a first spraying inlet and a second spraying inlet on the cyclone reactor for contact and reaction; wherein the liquid lithium source comprises molten lithium and / or a lithium-liquid ammonia solution; and the second injection port is positioned below the first injection port. According to the invention, the molten lithium and / or lithium-liquid ammonia solution and the sulfur-containing material are sprayed into the cyclone reactor to contact and react, so that the liquid lithium source and the sulfur-containing material are rapidly mixed and contacted, and the retention time of the material in the reactor can be accurately controlled; and continuous, rapid and large-scale production of high-purity and particle-size-controllable battery-grade lithium sulfide can be realized.

The application discloses a kind of liquid lithium battery negative pole coating material and preparation method thereof, belong to lithium battery negative pole material technical field.The application uses ethylene tar as raw material, sequentially through filtration, distillation, polymerization, blending process, produce the liquid lithium battery negative pole coating material provided by the application is used for the coating treatment of lithium battery graphite negative pole material, can be fully wetted with graphite negative pole material, bonding;The "core-shell" structure formed after the graphite negative pole material is treated using the liquid coating material, including core and the coating layer coated on the surface of core.Coating layer is firm, stable, and presents uniformity.The liquid lithium battery negative pole coating material is in liquid state at normal temperature, and has good flowability;Coking value is higher;It is easy to store, convenient for transportation and use.

This invention discloses a method, apparatus, platform, and storage medium for design optimization of liquid lithium-lead circuits under strong magnetic environment. The method includes: establishing a liquid lithium-lead circuit model, defining basic model parameters, operating boundary conditions, and temperature-dependent physical properties of liquid lithium-lead within the model; dividing the model into multiple computational units, and obtaining the local magnetic field vector at the spatial location of each computational unit based on the strong magnetic field environment parameters under tokamak device operating conditions; obtaining the strong magnetic field coupling calculation results of the liquid lithium-lead circuit model based on the local magnetic field vector at the spatial location of each computational unit; and modifying the model based on these results to output the final liquid lithium-lead circuit design result. This achieves magnetohydrodynamic and thermal-fluid coupling design of the liquid lithium-lead circuit, improving the reliability of the circuit design.

The utility model discloses a liquid lithium hexafluorophosphate synthesis device which comprises a preparation kettle, a synthesis kettle and a refining kettle, a lithium fluoride feed port, a solvent feed port, a lithium fluoride content measuring device, an online thermometer A and an observation port are arranged at the top of the preparation kettle; the top of the synthesis kettle is provided with a preparation liquid feeding hole, a phosphorus pentafluoride gas inlet, a lithium hexafluorophosphate content measuring device A, a radar liquid level meter, an online thermometer B and a gas outlet; the top of the refining kettle is provided with a synthesis liquid feeding hole, a solvent feeding hole and a lithium hexafluorophosphate content measuring device B; the preparation kettle is connected with the synthesis kettle through an on-line liquid flow meter B, and the synthesis kettle is connected with the refining kettle through a filtering device, a material transfer pump and an on-line liquid flow meter C; the phosphorus pentafluoride gas inlet is connected with a phosphorus pentafluoride gas inlet pipeline through an on-line gas flowmeter, the phosphorus pentafluoride gas inlet extends into the bottom of the synthesis kettle, and a gas distributor is arranged at the tail end of the phosphorus pentafluoride gas inlet; the utility model has the advantages of high production efficiency, good product quality and low product storage and transportation risk.

The invention discloses a functionalized lithium ion trapping agent and a preparation method thereof, and relates to the field of liquid lithium resource recycling. The preparation method comprises the following steps: co-heating an aluminum source reagent, a lithium source reagent and water to form a lithium-aluminum intercalation compound, then sequentially adding a carrier and alkali liquor for reaction to prepare a supported lithium ion trapping agent precursor, and then performing gradient water elution to obtain the supported lithium ion trapping agent. The supported lithium ion trapping agent prepared by the invention has dual functions of lithium ion trapping and froth flotation, and can realize trapping, enrichment and separation of lithium ions in oil and gas field produced water.

A lithium metal is physically pressed to a silicon wafer having a uniform intaglio or embossed pattern formed thereon in advance, or liquid lithium is applied to the silicon wafer and may then be cooled in order to form a uniform pattern on the surface of the lithium metal.

The invention discloses a high-voltage-resistant electrolyte, a preparation method of the high-voltage-resistant electrolyte and a battery monomer. The electrolyte comprises a liquid lithium salt electrolyte and a fluorinated polymer supporting layer, the liquid lithium salt electrolyte comprises a lithium salt solute, a solvent and an additive; the lithium salt solute comprises a boric acid lithium salt, a phosphoric acid lithium salt and an imide lithium salt, the additives comprise a positive electrode interface modification additive and a negative electrode interface modification additive, the positive electrode interface modification additive comprises one or more of a boric acid ester additive, a phosphoric acid ester additive and a phosphazene additive, and the negative electrode interface modification additive comprises one or more of a phosphoric acid ester additive and a phosphazene additive. The negative electrode interface modification additive comprises a fluorinated additive. The electrolyte can effectively improve the cycle performance of the lithium metal / lithium ion battery under high voltage and / or high temperature conditions.

A device and method for quantitatively leading out liquid lithium from a lithium electrolytic cell, relating to the technical field of lithium electrolytic cell, comprising a lithium buffer tank connected with a lithium collecting device, the lithium outlet end of the lithium buffer tank is connected with a lithium storage tank through a lithium leading pipe, a liquid level monitoring gauge is arranged in the lithium buffer tank, a valve is arranged on the lithium leading pipe, the lithium buffer tank monitors the height of the liquid level through the liquid level monitoring gauge, when the lithium liquid level in the lithium buffer tank reaches the high limit, the valve on the lithium leading pipe is opened, the liquid metal lithium flows into the lithium storage tank at low position in the form of full pipe flow under the action of pressure, the valve is closed after the quantitative liquid metal lithium is led out, and the lithium liquid level in the lithium buffer tank is always higher than the highest point of the lithium leading pipe during the process of leading out the liquid metal lithium. The present application realizes automatic, quantitative and safe transfer of the liquid metal lithium in the cell, avoids secondary pollution in the process of leading out the lithium, and reduces the maintenance difficulty of the system and the labor intensity of the workers.

This invention discloses a lithium target forming method, relating to the field of sputtering coating, aiming to provide a lithium target forming method. The key technical points are: S1, pre-treating both ends of an SST stainless steel tube, and assembling a stamping die and the stainless steel tube; S2, placing a lithium ingot in a crucible and heating it to melt it into liquid lithium; S3, placing the stainless steel tube in a vacuum glove box, and using an ultrasonic device to apply the liquid lithium to the outer surface of the stainless steel tube with a brush; S4, assembling the product obtained in S3 onto the upper plate of a four-column press, and threading it onto the press head of the four-column press; S5, heating the lithium rod and placing it on the platform of the four-column press, with a stainless steel sheet underneath the lithium rod; S6, pressing the lithium rod in S5 to form a lithium blank target; S7, machining the lithium blank target to obtain the lithium target. This lithium target forming method of the present invention is simple, involves one-step forming, and has high safety.

The invention discloses a cylindrical battery and a power utilization device, and belongs to the technical field of new energy materials. By adopting an in-situ polymerization technology, a compact and continuous quasi-solid electrolyte network is constructed in the cylindrical roll core, so that the safety pain points that a traditional liquid lithium ion battery is easy to leak and inflammable and explosive are fundamentally solved, and meanwhile, the technical bottlenecks that a solid-solid interface of a solid-state battery is poor in contact and large in impedance are overcome; according to the battery system, atomic-scale close contact of the electrolyte and the electrode particles is realized, the intrinsic safety and the energy density of the battery are remarkably improved while high ionic conductivity is ensured, and the battery system is particularly suitable for the power and energy storage fields with extremely high safety requirements.

The present application relates to a kind of preparation methods of lithium sulfide, lithium sulfide and system, the method includes the following steps: under the condition of air and moisture isolation, first raw material containing liquid lithium source and second raw material containing sulfur element are respectively passed through first spray inlet and second spray inlet located on cyclone reactor by horizontal or cyclone downward mode and sprayed into reactor to contact and react;Wherein, the liquid lithium source includes molten lithium and / or lithium-liquid ammonia solution;The second spray inlet is below the first spray inlet.The present application is by molten lithium and / or lithium-liquid ammonia solution and the material containing sulfur element are sprayed into cyclone reactor to contact and react, so that liquid lithium source and the material containing sulfur element are rapidly mixed contact, and the residence time of material in reactor can be accurately controlled, and high-purity, particle size controllable battery-grade lithium sulfide can be continuously, rapidly and large-scale produced.

This invention discloses a continuous synthesis method and apparatus for liquid lithium hexafluorophosphate, comprising the following steps: S1, continuously adding lithium fluoride and an organic solvent into a mixing vessel to obtain lithium fluoride mother liquor, and continuously introducing a phosphorus pentafluoride mixed gas into a primary reactor; S2, continuously conveying the lithium fluoride mother liquor to the primary reactor for reaction with the phosphorus pentafluoride mixed gas; the primary reactor conveys the reacted material to a secondary reactor, while simultaneously conveying the unreacted phosphorus pentafluoride mixed gas to the secondary reactor for further reaction; S3, the secondary reactor transfers the unreacted gas out of the reaction system; the material obtained from the secondary reactor is continuously collected into a settling tank; S4, the top of the settling tank collects the synthesis liquid without lithium fluoride solids into a product receiving tank. This invention solves the synthesis efficiency bottleneck of traditional batch reactors and effectively improves the production capacity of liquid lithium hexafluorophosphate per unit time.

This invention discloses a miniaturized experimental loop for liquid lithium-lead hydrogen isotope injection and extraction, belonging to the field of nuclear fusion reactor blanket experimental technology. It comprises two main modules: a liquid lithium-lead loop and a gas path. The liquid lithium-lead loop uses a sealed pipeline connected in series with a lithium-lead storage tank; the gas path includes hydrogen and argon cylinders, a vacuum pump, and a pressure reducing valve to achieve quantitative hydrogen isotope injection and loop purging pressurization. The experimental section can be equipped with extraction components based on three mainstream technical routes: vacuum permeation window, gas-liquid contactor, and vacuum sieve plate. Two hydrogen isotope sensors monitor the hydrogen concentration in the liquid lithium-lead and can calculate the extraction rate based on the difference. A flow meter is adapted to optimize the flow rate process, and the entire loop is equipped with heating and liquid level monitoring to effectively prevent lithium-lead solidification. This invention features a compact structure, stable operation, and strong adaptability, providing a reliable experimental platform for the verification and parameter optimization of advanced blanket tritium extraction technology in fusion reactors.

The invention belongs to the technical field of battery electrolyte additives, and particularly relates to a preparation method of a lithium fluorophosphate salt, which comprises the following steps: generating a crude liquid lithium salt from an organic lithium salt and phosphorus pentafluoride gas in an organic solvent under low-temperature micro-positive pressure conditions, purifying and crystallizing the crude liquid lithium salt to obtain the lithium fluorophosphate salt, phosphorus pentafluoride gas is used as a fluorine reagent, so that introduction of water is avoided; the micro-positive pressure environment is used, interference of environmental moisture is avoided, the reaction efficiency is improved, one-pot purification and impurity removal are carried out, purification steps are reduced, the production cost is reduced, the method has the advantages of being easy to operate and high in product yield, generation of three wastes is reduced, the method is suitable for large-scale production, the yield of the obtained product can reach 92% or above, and the method is suitable for industrial production. The purity can reach 99% or above.

A solid lithium cell is formed by stacking an etched copper substrate, a layer of graphite, an electrolyte, and a layer of nickel, manganese, and cobalt oxides. The electrolyte is in contact with the graphite layer and the layer of nickel, manganese, and cobalt oxides. The copper substrate forms the anode of the cell. The layer of nickel, manganese and cobalt oxides forms the cathode of the cell. The electrolyte is a solid lithium-based electrolyte. The graphite layer has a first solid electrolyte interface produced during a pre-lithiation with a liquid lithium-based electrolyte and a second solid electrolyte interface produced during a pre-lithiation with the solid lithium-based electrolyte.

The application discloses a kind of liquid lithium hexafluorophosphate degassing device and its degassing method, including scraper evaporator E201, concentrated collection tank V301 after degassing, condenser E202, solvent collection tank V303 and vacuum pump P103, wherein, the scraper evaporator E201 is connected with the delivery pipeline of liquid lithium hexafluorophosphate raw material, and the liquid lithium hexafluorophosphate raw material is under the action of heating and rotating centrifugal force of the scraper evaporator E201, part liquid produces vaporization, and the material of vaporization is transported to the condenser E202, and the liquid that is not vaporized is transported to the concentrated collection tank V301 after degassing;The output end of the condenser E202 is connected with the solvent collection tank V303, and the gas phase output end of the solvent collection tank V303 is connected with the vacuum pump P103;The application realizes high-efficiency excellent degassing effect, and finally ensures that the hydrogen chloride content of liquid lithium hexafluorophosphate after degassing treatment by the application is less than 10ppm, reliably guarantees its performance as lithium ion battery electrolyte.

The invention discloses a multi-physics-field coupled high-temperature liquid lithium metal corrosion experimental platform and method, and belongs to the technical field of fusion reactor liquid metal first wall material testing, and the multi-physics-field coupled high-temperature liquid lithium metal corrosion experimental platform is composed of a corrosion chamber system, an electromagnetic system, a sample system, a vacuum system, a liquid metal driving system, an irradiation system and a connecting pipeline; the corrosion chamber is respectively connected with the irradiation system, the liquid metal driving system and the vacuum system through interface flanges; the electromagnetic system integrates induction heating and magnetic field simulation functions; the liquid metal driving system realizes lithium circulation purification and fluid parameter monitoring; the irradiation system provides an adjustable neutron beam through an ECR ion source. During an experiment, material corrosion behavior research of liquid lithium under complex working conditions is realized through high-vacuum preparation, baking degassing, multi-field synchronous coupling (high temperature, flow, magnetic field and irradiation) and argon purging recovery. The platform solves the technical problem of high-temperature lithium metal multi-physics field coupling experiment, and provides key support for research and development of fusion reactor structure materials.

The application discloses a prediction method and device for reducing the melting lithium wetting property of a graphene oxide film and a medium, and relates to the technical field of lithium metal battery electrode materials. The method comprises the following steps: constructing a melting lithium wetting model and a melting lithium infiltration model; obtaining a target oxidation concentration; determining the size of a first contact angle of the melting lithium under the target oxidation concentration by MD simulation based on the melting lithium wetting model and preset simulation conditions; and determining the size of a second contact angle, the oxygen-containing functional group and the carbon oxidation ratio under the target oxidation concentration by MD simulation based on the melting lithium infiltration model and the simulation conditions. The application is used to solve the problem that the oxidation concentration regulation accuracy of the reduced graphene oxide film is insufficient in the prior art, and liquid lithium cannot be uniformly wetted. The application realizes the accurate regulation of the oxidation concentration by predicting the wetting property corresponding to the target oxidation concentration, so that the liquid lithium can be uniformly wetted.

The invention discloses a linear plasma and liquid lithium target plate interaction research platform, which belongs to the technical field of fusion reactor materials and comprises a magnet system, a plasma source, a vacuum chamber, a lithium circulating system and a target plate driving assembly. The target plate driving assembly comprises a target plate assembly located in the vacuum chamber and a target plate pushing mechanism located outside the vacuum chamber. The center of the magnet system, the plasma source and the target surface of the target plate assembly which are sequentially arranged are positioned on the same axis; the lithium circulating system is respectively connected with the vacuum chamber and the target plate pushing mechanism; plasmas generated by the plasma source are restrained into a beam by a magnetic field formed by the magnet system and then hit the target surface of the target plate assembly; the magnet system is electrified and excited to form a uniform magnetic field, and plasma generated by the plasma source is acted by the magnetic field of the magnet system to form a linear plasma beam which is irradiated on a target plate of the target plate assembly. According to the invention, the interaction environment of the divertor and the high-beam parameter plasma in the fusion reactor can be truly simulated.