198results about How to "Facilitate conduction" patented technology

The invention provides a silicon-carbon composite material as well as a preparation method and application thereof. The silicon-carbon composite material comprises a porous carbon material; the silicon particles are distributed on the surface layer of the porous carbon material and in pore channels in the porous carbon material, the distribution concentration of the silicon particles in the surface layer of the porous carbon material is smaller than that of the silicon particles in the porous carbon material, and the particle size of the silicon particles in the surface layer of the porous carbon material is smaller than that of the silicon particles in the porous carbon material; the silicon dioxide layer is formed on the surface of the silicon particles; and the carbon coating layer is formed on the surface of the silicon dioxide layer. The lithium ion battery prepared by taking the silicon-carbon composite material as a positive electrode active material shows good electrochemical performance, and has relatively high specific capacity, good cycling stability and rate capability.

The invention discloses a graphene composite perovskite manganese oxide polycrystalline ceramic and a preparation method and application thereof, and belongs to the technical field of non-refrigeration high-sensitivity infrared detection. The chemical expression of the graphene composite perovskite manganese oxide polycrystalline ceramic is La < 0.81 > (Ca < 0.03 > Sr < 0.16 >) MnO3: Gy, G is graphene, y is the mass fraction of graphene in perovskite manganese oxide composite powder, and y is equal to 0.1-0.2%. The TCR value of the prepared polycrystalline ceramic can reach 30% or above, the Tk value is close to 300K, the polycrystalline ceramic has excellent adaptability to room temperature work and excellent sensitivity to temperature change, and when the polycrystalline ceramic is applied to an uncooled infrared detector, the detection precision of the uncooled infrared detector can be effectively improved.

The invention discloses a process for preparing a polyester fiber fabric by regenerating polyester waste bottle flakes, belongs to the technical field of polyester fiber fabric processing, and aims to solve the technical problem that the moisture absorption and quick drying performance, friction resistance and pilling resistance of the polyester fiber fabric in the prior art need to be further improved. The method comprises the following steps: adding polyester waste bottle flakes into a pulverizer, pulverizing, sieving with a 60-mesh sieve to obtain polyester regenerated powder, and pretreating the polyester regenerated powder to obtain pretreated polyester powder; composite polyester is prepared from modified polysiloxane enhanced copolyester containing nylon 6 and polyvinyl alcohol blocks, and then the porous composite polyester fiber is prepared by taking polyvinyl alcohol as a pore forming agent, so that the moisture absorption and quick drying performance of the polyester fiber fabric is effectively improved, the wearing experience of the polyester fiber fabric is enhanced, and the service life of the polyester fiber fabric is prolonged. The wear-resistant and anti-pilling performance of the polyester fiber fabric is also improved.

The invention discloses a driving permanent magnet synchronous motor with a heat dissipation mechanism, and relates to the technical field of 999. The outer side face of the rear end cover is fixedly connected with the inner side face of a base, a copper bar is embedded in the side, away from a shell, of the rear end cover, the inner side face of the rear end cover is fixedly connected with the surface of the copper bar, the side, away from the rear end cover, of the copper bar makes contact with the base, and the base is grounded; the air cooling assembly is fixedly connected with the end, close to the rear end cover, of the rotating shaft, the natural cooling assembly surrounds the outer portion of the shell, the inner side face of the natural cooling assembly is fixedly connected with the outer side face of the shell, the natural cooling assembly can increase the contact area with the outside, and the heat dissipation effect is enhanced. The rear end cover sucks air in the gap of the natural cooling assembly into the rear end cover to form flowing airflow, so that a better cooling effect is achieved, and the cooling effect of the air cooling assembly is radiated to the outside of the shell.

The invention discloses an effusion drainage device for the cardiovascular medicine department, and belongs to the technical field of effusion drainage. The effusion drainage device for the cardiovascular medicine department comprises a shell, a sliding rail is arranged at the bottom of the shell, a moving assembly is movably arranged in the shell and comprises a storage box in sliding fit with the sliding rail, and two partition plates are distributed on the storage box; the two partition plates divide the storage space of the storage box into three containing spaces used for sequentially storing the corresponding collecting tanks, gravity sensors making contact with the bottoms of the collecting tanks are arranged in the containing spaces, positioning assemblies movably matched with the collecting tanks are arranged in the shell, an opening and closing assembly is arranged at one end of the shell, and a supporting assembly is arranged at the bottom of one end of the shell. The lifting assembly is movably arranged in the shell and connected with the suction assembly, the switching assembly is arranged on the suction assembly, the adjusting assembly is arranged at one end of the shell, and the dust-proof drainage device has the advantages of effective dust prevention, orderly and stable drainage, flexible switching, automatic clamping and positioning, reliable structure, convenient operation, simplicity, convenience and practicability.

The invention discloses a water-based binder for a lithium ion battery as well as a preparation method and application of the water-based binder. The binder is obtained by polymerizing raw materials comprising the following components: a) 20wt%-45wt% of at least one of olefinic bond type unsaturated carboxylic acid or olefinic bond type unsaturated carboxylic acid anhydride; b) 20 wt% to 45 wt% of an ethylenic bond type unsaturated nitrile monomer; c) 5 wt%-30 wt% of an ethylenic bond type unsaturated hydrophilic monomer which does not contain carboxyl; d) 10 wt% to 40 wt% of an ethylenic bond type unsaturated hydrophobic monomer; and e) 0.15 wt%-1 wt% of a crosslinking monomer. The binder provided by the invention is applied to the field of lithium ion batteries, and can improve the processing performance of a negative pole piece and the cycle performance of the battery.

The invention discloses a vacuum brazing clamp and method for a water-cooled disc, and aims to overcome the defects that in the brazing process of the water-cooled disc, the clamping force of a tool on the water-cooled disc is not uniform, the temperature difference between the interior of a furnace and the water-cooled disc is large due to the fact that the tool absorbs much heat, and the brazing effect is affected. The water cooling disc comprises an upper tool pressing plate and a lower tool pressing plate which are connected together, the water cooling disc comprises a bottom disc and a cover plate, brazing filler metal pieces are loaded between the bottom disc and the cover plate, an upper heat insulation frame and a lower heat insulation frame are arranged between the upper tool pressing plate and the lower tool pressing plate, an upper thin plate is installed between the cover plate and the upper heat insulation frame, and a lower thin plate is installed between the bottom disc and the lower heat insulation frame. And the cold water plate is clamped between the upper thin plate and the lower thin plate. According to the vacuum brazing clamp for the water-cooling disc, the water-cooling disc brazing part can be prevented from being in direct contact with the tool plate, the heating and cooling effects of the brazing part in the brazing process are improved, and the uniformity of the pressure and the uniformity of the temperature during clamping of the brazing part are optimized.

The invention discloses a split type electric kettle capable of preventing explosion boiling. The split type electric kettle comprises an electric kettle main body, a base is arranged at the bottom of the electric kettle body, a connecting cover is rotationally connected to the top of the electric kettle body, a pressure relief assembly is arranged at the top of the connecting cover, a guide assembly is arranged in the electric kettle body and connected with the electric kettle body through multiple sets of connecting assemblies, and a cleaning assembly is arranged at the top of the guide assembly. The pressure relief assembly is used for conducting pressure relief treatment on the interior of the electric kettle body, the pressure relief assembly is composed of a connecting shell, a connecting pipe, a sleeve and an exhaust pipe, the connecting shell is fixedly connected to the top of the connecting cover, and the connecting pipe is fixedly connected to the interior of the connecting shell and extends into the electric kettle body. Through the design, the overall practicability of the split type electric kettle can be improved.

The invention belongs to the technical field of lithium battery aluminum plastic films, and particularly relates to a high-thermal-conductivity and high-deep-drawing-performance aluminum plastic film, a preparation method thereof and a lithium ion battery, the high-thermal-conductivity and high-deep-drawing-performance aluminum plastic film comprises a nylon film layer, an adhesive layer, an aluminum foil layer and a CPP film layer which are sequentially laminated and compounded from outside to inside; wherein the adhesive layer is prepared from an A component polyurethane glue and a B component polyurethane glue; the component A is prepared from the following components in parts by mass: 20 to 35 parts of polyester polyol, 15 to 25 parts of polyether polyol, 5 to 10 parts of polyisocyanate monomer, 1 to 5 parts of silane coupling agent, 1 to 5 parts of graphene oxide and 40 to 60 parts of solvent; the component B comprises the following components in parts by mass: 95-99 parts of a polyisocyanate curing agent and 1-5 parts of a solvent; the CPP film layer sequentially comprises a corona layer, a supporting layer and a heat sealing layer from the aluminum foil layer to the outside, and each of the corona layer, the supporting layer and the heat sealing layer contains BN inorganic particles; the crystal nucleation rate of the CPP film is changed by adding the high-thermal-conductivity material boron nitride inorganic particles into the material of the CPP film, and excellent deep drawing performance is obtained by matching with the graphene oxide in the adhesive layer.

The utility model discloses an automobile battery pack liquid cooling plate, which is characterized in that a liquid cooling plate body is provided with an accommodating cavity used for installing an automobile battery pack, the side walls of two liquid cooling plate bodies on one side of the accommodating cavity are respectively provided with a first flow channel cavity, the two first flow channel cavities are communicated and connected, and the first flow channel cavities are filled with a cooling medium used for flowing cooling. A plurality of raised positioning parts are arranged on the inner wall of the accommodating cavity, a plurality of cooling towers are arranged in the positioning parts, the cooling towers are in through connection with the first flow channel cavity, a water diversion baffle sheet is inserted in each cooling tower, a groove part is formed in one side of each raised positioning part, and a heat-conducting silica gel sheet attached to the bottom surface of the accommodating cavity is arranged in each groove part; according to the utility model, the raised positioning part is arranged in the accommodating cavity to position the automobile battery pack, so that the stability of battery installation is improved; the flow channel cavity used for heat dissipation is formed, and heat generated during operation of the automobile battery is taken away by filling the flowing cooling medium, so that the working efficiency of the battery pack is improved, and the service life of the battery pack is prolonged.

The utility model relates to an annular stator iron core, which comprises spliced iron cores, each spliced iron core is provided with a winding groove, one side of each spliced iron core is provided with a connecting part used for connecting the spliced iron cores on the adjacent side, and the other side of each spliced iron core is provided with a connecting groove used for connecting the spliced iron cores on the adjacent side. A first notch is formed in one side of the lower end face of the spliced iron core, and a first welding side edge is arranged in the first notch; a second notch is formed in the other side of the lower end face of the spliced iron core, and a second welding side edge is arranged in the second notch. Every two adjacent block iron cores are connected together in a meshed mode through the connecting parts and the connecting grooves, and a plurality of block iron cores are combined to form an annular stator iron core. The first notch and the second notch are closed to form a key groove, the first welding side edge and the second welding side edge are closed to form a welding part, and two adjacent spliced iron cores are fixed through welding. In conclusion, the welding part is arranged in the key groove, so that the effective space utilization is maximized.

The invention discloses a light emitting device, a packaging method and an optical module. The light emitting device comprises a metal base, an insulating diversion layer, a pipe cap, a lens, a laser chip, a refrigerator assembly and an adapter assembly. The pipe cap is connected to the metal base in a covering mode to form a sealed cavity, and an insulating flow guide layer, a lens, a laser chip and a refrigerator assembly are arranged in the sealed cavity. The insulating diversion layer is connected between the metal base and the refrigerator assembly; a plurality of bismuth antimonide particles are sequentially connected to the upper surface of the insulating diversion layer; the cold surface substrate is connected to the upper surfaces of the bismuth antimonide particles; the upper surface of the cold face substrate is connected with a heat transfer conductive piece which is connected with the first substrate and the second substrate. The thermistor is arranged on the first substrate; the lens is arranged on the heat-transfer conductive part; the laser chip is arranged on the second substrate; the adapter assembly is connected to the outer side of the pipe cap. The heat dissipation efficiency is effectively improved, and the service life is prolonged.

The utility model provides a tool for casting a high-grade iron casting by adopting resin sand and iron mold coated sand, which relates to the technical field of casting molds and comprises an upper sand box, a grid is fixedly connected to the top end of the upper sand box, a lower sand box is arranged below the upper sand box, heat dissipation holes are formed in the surface of the lower sand box, and the heat dissipation holes are communicated with the grid. Connecting lug plates are fixedly connected to the two sides of the upper sand box, through the arrangement of heat dissipation holes in the lower sand box, the heat dissipation effect of a casting in a resin sand mold is improved, cooling and curing of an iron solution can be accelerated, refining of an internal structure (forming of a globular body structure) in the cooling and curing process can be accelerated, and therefore the casting with the strength of HT300 or higher is obtained, and through the arrangement of the lower sand box, the heat dissipation effect of the casting in the resin sand mold is improved. The bottom plate with the thickness of 30mm can improve the rigidity and the strength of the lower mold, reduce deformation and ensure the dimensional accuracy and the shape stability of the casting, the thicker lower mold can better absorb and conduct heat, the cooling speed of the casting is favorably controlled, a casting system realizes a dead head-free design, the process yield is improved to 90%, and the cost is further reduced.

The invention relates to a deviation rectifying device and method applied to amorphous strips and relates to the technical field of amorphous strip deviation rectifying, the deviation rectifying device comprises a workbench, an unwinding frame is arranged on one side of the top of the workbench, an unwinding roller is arranged on the top of the unwinding frame, and a winding frame is arranged on the side, away from the unwinding frame, of the workbench; a winding roller is arranged at the top of the winding frame, an adjusting mechanism is arranged between the unwinding frame and the winding frame, and the adjusting mechanism comprises a fixed frame, a movable connector, an adjusting frame, an electric telescopic rod and a guide roller shaft; the servo motor drives the two-way threaded rod to rotate, the two-way threaded rod rotates to drive the two moving blocks to rotate in the opposite directions, and the moving blocks move to drive the connecting rings to do synchronous translational motion so as to drive the adjusting cylinders on the two sides to do translational motion in the opposite directions; therefore, the overall width of the center roller and the adjusting cylinder is adjusted so as to conduct amorphous strips with different widths.

The present invention discloses an oil storage atomizer for an electronic cigarette, comprising an atomization bin, an oil storage part and an atomization structure; the oil storage part is made of an oil storage material and is used to store the oil, the oil storage part is tubular and has a hollow cavity formed in the middle thereof which runs through along the axial direction, the oil storage part is cooperatively installed in the oil storage bin, the hollow cavity is arranged along the axial direction of the atomization bin and is respectively connected with the air inlet and the air outlet of the atomization bin; the atomization structure comprises an electromagnetic induction part and a ventilation channel which runs through along the axial direction of the hollow cavity, the electromagnetic induction part is installed in the hollow cavity and heats the oil in the oil storage part, the ventilation channel is formed on the atomization structure and / or between the atomization structure and the hollow cavity. Compared with the prior art, the present invention effectively prevents the leakage of the oil, has good ventilation effect, low cost, is easy to assemble, has controllable quality, and provides a better experience when in use. The present invention also discloses a corresponding oil cartridge, an electronic cigarette and an assembly method of an oil cartridge.

The invention relates to the technical field of polarizing beam splitters, in particular to a polarizing beam splitter and a preparation method and application thereof. The polarizing beam splitter provided by the invention comprises a diamond substrate, a polarizing beam splitting film and a first metalized film layer which are positioned on the surface of one side of the diamond substrate, a broadband antireflection film positioned on the surface of the other side of the diamond substrate, and a second metalized film layer positioned on the side surface of the diamond substrate, the first metallized film layer is located at the edge position of the surface of one side of the diamond substrate. Diamond is adopted as a substrate material of the polarizing beam splitter, and the characteristic of high thermal conductivity of the diamond is utilized, so that heat generated when laser acts on a film layer and a substrate can be quickly conducted as soon as possible, and damage to the polarizing beam splitter caused by local temperature rise is relieved; the edge of the polarizing beam splitter is metalized, so that the beam splitter body and a metal tube shell or a water cooling structure can be integrally welded, and a high-reliability and low-leakage-rate vacuum sealing solution can be provided while the heat conduction efficiency is improved.

The utility model relates to an electronic atomization device, an atomizer and an atomization core. The atomization core comprises an upper cover, a heating atomization assembly, a base and an electrode. The upper cover is provided with a containing cavity, the heating and atomizing assembly is arranged in the containing cavity, the upper cover is combined with the base, the heating and atomizing assembly comprises a heating body, and the heating body is conductively connected with the electrode; a liquid guide structure is arranged on the upper cover, a liquid seepage surface is formed on the liquid guide structure, an atomization surface is formed on the heating body, and the atomization surface and the liquid seepage surface are oppositely arranged; the liquid guide structure comprises a longitudinal liquid guide groove and a transverse liquid guide groove, and the longitudinal liquid guide groove is communicated with the transverse liquid guide groove. The atomizer comprises an atomizing core. The electronic atomization device comprises an atomizer. Liquid is diffused to all positions of the liquid guide structure through the longitudinal liquid guide grooves and the transverse liquid guide grooves, so that liquid guide is more uniform; meanwhile, the atomized liquid has large capillary tension in the transverse liquid guide groove, the capillary tension can counteract the gravity of part of the liquid, and the problem that the liquid leaks due to the gravity is solved.

The utility model relates to the field of optical fiber communication, and disclose a kind of optical fiber communication device of conference communication system, including shell and optical fiber communication body, shell interior is equipped with optical fiber communication body, shell one side dustproof heat dissipation structure, dustproof heat dissipation structure is equipped with liquid cooling structure in shell, shell is away from dustproof heat dissipation structure and is equipped with a set of equidistant distribution's heat dissipation hole two on the other side of the optical fiber communication body, there is dust screen in shell outside one side with heat dissipation hole two and every heat dissipation hole two is fixedly connected, adopt liquid cooling structure and heat dissipation fan collaborative heat dissipation mode, effectively solved the problem of traditional device heat dissipation capacity, in liquid cooling structure, fatty acid coolant phase transition temperature in heat absorption box is low, can rapidly absorb heat gasification when equipment temperature rises, backflow after cooling liquefaction by condenser pipe, form closed cycle continuous heat dissipation, when temperature exceeds preset value, heat dissipation fan starts, and liquid cooling system collaborative work, accelerate heat conduction and discharge.

The application discloses a battery module, an electric device and a glue pouring method. The battery module comprises a shell, a battery cell assembly and a first structural member. The shell is provided with a receiving cavity, and the battery cell assembly is installed in the receiving cavity. The battery cell assembly comprises a first battery cell and a second battery cell. In a first direction, the first battery cell and the second battery cell are stacked. In a second direction, one end of the first battery cell is provided with a first metal member. In a third direction, the battery cell assembly is provided with a first side portion and a second side portion which are oppositely arranged. In the second direction, the battery cell assembly is provided with a third side portion and a fourth side portion which are oppositely arranged. The first direction is perpendicular to the second direction and the third direction. The first structural member is at least partially arranged between the shell and the first side portion. A first adhesive is arranged between the first structural member and the shell, and a second adhesive is arranged between the first structural member and the first side portion. In the second direction, the first adhesive has a first length, and the second adhesive has a second length.

The invention relates to a cobalt-free ultra-high nickel positive electrode material and a preparation method and application thereof, the preparation method comprises the following steps: ball-milling and mixing a nickel source, a lithium source and a dopant to obtain powder, and drying and sintering the obtained powder to obtain the cobalt-free ultra-high nickel positive electrode material, the doping agent comprises an aluminum-containing doping agent and a manganese-containing doping agent; the nickel source, the lithium source and the doping agent are mixed according to the molar ratio of the nickel element to the lithium element to the total doping element being (0.90-0.98): (1.03-1.06): (0.02-0.10). The Al and Mn elements are uniformly doped in the positive electrode material substrate through a solid-phase reaction method, the material performance is synergistically improved by utilizing the unique action mechanism of the doped elements, the electrochemical performance is synergistically improved on the premise of not depending on the cobalt element, and high initial discharge capacity, cycling stability and rate capability are kept in a wide voltage interval; and excellent capacity retention capability is shown in a wide multiplying power range.

The invention relates to the technical field of medical instruments, and provides a shock wave peripheral balloon catheter which comprises a guide tube, a balloon body and an electrode unit, the balloon body is arranged at the far end of the guide tube, and the electrode unit is arranged at the position, corresponding to the balloon body, of the outer wall of the guide tube. A filling area is arranged between the balloon body and the guide tube, the filling area comprises conduction areas and supporting areas, the conduction areas and the supporting areas are arranged at intervals and form a group, a plurality of groups of electrode units are arranged on the circumference of the guide tube, and a plurality of electrode units are arranged on the periphery of the guide tube. The multiple electrode units are distributed in the axial direction and the circumferential direction of the guide pipe at equal intervals, and the electrode units are arranged corresponding to the conduction area. By means of the technical scheme, the problem that in the prior art, shock waves of a balloon catheter are not uniform is solved.

The application provides a phase change temperature control internal curing function aggregate for high-strength concrete and a preparation method thereof, and relates to the technical field of building materials. A phase change material paraffin is arranged in an inner layer, and a heat conduction water storage layer composed of carbon fibers, graphite powder, superabsorbent resin, fly ash, phosphorus slag powder, slag powder, quicklime, polyacrylamide, clear lime water and an additive is coated on the outside to form aggregate granulation and molding. The carbon fibers are connected to the dispersed graphite powder to form a heat conduction net structure with line connection points, improve the heat conduction performance, promote the heat conduction between the internal paraffin and the external environment, and the clear lime water activates the fly ash, the phosphorus slag powder and the slag powder in the ingredients to generate a hydration reaction, thereby constructing the strength of the external structure. When the temperature in the concrete is low, heat is released, the whole process is accompanied by slow water release, the double internal curing functions of temperature control and moisture are realized, the cracking of high-strength concrete caused by high hydration heat and large shrinkage is avoided, and the durability of the high-strength concrete is improved.

The invention provides metal lithium surface protection slurry and a preparation method and application thereof, and the surface protection slurry comprises the following components by weight: 5-20 parts of a metal organic framework material (MOFs); 70 to 85 parts of a solvent; 3-6 parts of a conductive agent; 3-6 parts of a thickening agent; the MOFs material comprises an MOFs material taking a zinc-based metal matrix, a cobalt-based metal matrix, a vanadium-based metal matrix, an iron-based metal matrix, an aluminum-based metal matrix, a chromium-based metal matrix, a zirconium-based metal matrix or a lanthanide-series metal matrix as metal ions or metal cluster nodes, and the conductive agent comprises an organic polymer solid electrolyte material or an organic-inorganic composite solid electrolyte material. The surface protection slurry provided by the invention can form a protection layer with excellent lithium affinity, dendritic crystal resistance and stability on the surface of metal lithium.

The invention discloses a multi-stage HDI circuit board and a manufacturing method thereof. The circuit board comprises a first core board, a second core board and a porous filling layer. The first core plate is composed of a porous material base layer and first conductive pattern layers on the upper and lower sides; the second core plate is arranged on the outer layer of the first core plate and comprises an inner side PP layer and a second conductive pattern layer covering the inner side PP layer, the PP layer is provided with conducting holes and heat dissipation holes, the conducting holes are filled with conductive metal materials to achieve conduction, the heat dissipation holes are blind holes, the bottoms of the heat dissipation holes directly penetrate through the base layer, and the heat dissipation holes are filled with porous materials to enhance heat dissipation. The manufacturing method comprises the steps of cutting, pressing, etching, drilling, conductive material filling, polishing, secondary etching, secondary drilling, porous material hole filling, plate cutting and the like. Through the cooperation of the porous material base layer and the porous filling layers in the heat dissipation holes, the heat dissipation performance of the HDI circuit board is significantly improved, the conduction structure is optimized, the structural strength is enhanced, the manufacturing flexibility is improved, the cost is reduced, and the HDI circuit board is suitable for various application scenes of high-density interconnection circuit boards.

The utility model discloses a heat dissipation structure and a heat dissipation battery pack, and relates to the technical field of battery pack heat dissipation, the heat dissipation structure comprises a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation main body and a heat conduction plate, the heat conduction plate is used for being connected with the battery pack and transmitting heat generated by the battery pack, and the heat dissipation main body is connected with the heat dissipation main body. A heat dissipation cavity is defined by the heat dissipation main body and the heat conduction plate; and the heat conduction plate can transfer heat generated by the battery pack to the heat dissipation cavity. According to the technical scheme provided by the utility model, the problems that in the driving process of the new energy automobile, the battery pack is in a long-term working state, heat accumulation is easily caused, then the battery pack is damaged, and even serious safety accidents such as battery short circuit and fire are possibly caused can be solved.

The invention belongs to the field of lithium ion battery electrolytes, and relates to a composite electrolyte taking a ZIF-8 coated cellulose membrane as a framework and a preparation method, ZIF-8 is grown on the surface of the cellulose membrane by adopting an in-situ synthesis method, and then a composite polymer electrolyte membrane taking the ZIF-8 coated cellulose membrane as a three-dimensional framework is obtained by adopting a solution pouring method. The introduction of ZIF-8 promotes the transmission of lithium ions and regulates the uniform deposition of lithium, thereby inhibiting the growth of lithium dendrites, and the cellulose membrane improves the mechanical strength and thermal stability of the electrolyte. The lithium metal battery based on the electrolyte shows excellent lithium stability, relatively high lithium ion transference number and limiting current density and relatively good rate capability and cycle performance.

The utility model discloses an unmanned aerial vehicle lithium battery pack installation structure which comprises a bottom plate, wing frames are fixedly arranged at the four corners of the top of the bottom plate respectively, an installation plate is detachably and fixedly installed above the wing frames, a battery pack is fixedly arranged on the installation plate, the battery pack comprises a containing frame, a battery is arranged in the containing frame, and the battery is arranged in the containing frame. Transverse grooves are formed in the four sides of the top of the mounting plate respectively, connecting blocks are fixedly arranged on the four sides of the bottom of the battery pack respectively, electric push rods are fixedly arranged at the bottoms of the connecting blocks and located in the transverse grooves, inserting grooves are formed in one sides of the transverse grooves, inserting rods are fixedly arranged at the telescopic ends of the electric push rods, and the inserting rods are fixedly connected with the battery pack. The lithium battery pack mounting structure solves the problems that an existing mounting structure is often complex in operation, time-consuming and labor-consuming, a lithium battery pack is inconvenient to replace and maintain, and meanwhile, the existing mounting structure has defects in the aspect of heat dissipation, so that the heat dissipation problem of the lithium battery pack is difficult to effectively solve.

The biological temperature control fermentation device comprises a biological fermentation box and a fermentation area mechanism, the whole biological fermentation box is concave, the top of the biological fermentation box is open, cleaning nozzles are arranged at the bottom of the biological fermentation box, and gas side nozzles are arranged on the two sides of the bottom of the biological fermentation box; a fermentation area mechanism is located in the biological fermentation box; the fermentation area mechanism comprises a limiting side frame, a reaction screen plate, a lifting rod, embedded sliding plates and a filler strip plate, the reaction screen plate is embedded in the inner side of the limiting side frame, and the embedded sliding plates are arranged on the two sides of the reaction screen plate. In the prior art, in the fermentation process of an existing fermentation device, microorganisms need to breed and grow, the fermentation temperature is controlled through circulating water, however, the heat exchange speed is low, the heat exchange efficiency is influenced, the stirring and ventilation effects and the breeding environment are poor, and the growth speed of the microorganisms and the yield of metabolites can be directly influenced.

A kind of heat dissipation structure for LED light strip, including mounting bracket and at least one heat dissipation part on mounting bracket, characterized in that, the heat dissipation part is attached with LED light strip by mounting bracket, the two sides of mounting bracket have mounting slot, for heat dissipation part to limit, the opening of mounting slot is through, the outside of heat dissipation part in mounting slot has plug-in unit, the outside of plug-in unit is provided with extension plate, the fin on the extension plate is used to conduct heat absorbed by heat dissipation part outward;Mounting bracket is made of soft material as a whole, can be well fitted on bendable light band, and the cooperation mode of mounting bracket bottom surface slot and heat dissipation part makes it possible to achieve better heat conduction and heat dissipation function at each part of light band bending, solves the problem that conventional metal heat dissipation fin cannot bend with light band, leading to part of light band cannot be covered by heat dissipation.