628results about How to "Improve contact effect" patented technology

The invention provides front fine grid silver paste for an N-type TOPCON battery and the battery. The silver paste is applied to an LECO treatment process. The polymer nano-silver solution in the silver paste improves the contact performance in the N-type TOPCON laser-assisted sintering process, reduces recombination, and improves open-circuit voltage and short-circuit current. Compared with micron-sized glass powder, the nano glass powder in the silver paste has the advantages that the single-point etching area is reduced, the etching distribution density is increased, the contact resistance is ultralow, meanwhile, the open-circuit voltage can be effectively improved due to the fact that the etching depth becomes shallow and the metal recombination is low, and the purpose of improving the efficiency is achieved. The problem that in the process of preparing the N-type TOPCON battery through the LECO technology, the speed that silver atoms diffuse into the surface of a silicon wafer is low, the open-circuit voltage and the short-circuit current are affected, and consequently the photoelectric conversion efficiency is low is solved. The invention further provides a battery, the battery is prepared through the LECO technology, and raw materials comprise the silver paste for the N-type TOPCon battery.

The invention discloses a method for remedying petroleum hydrocarbon pollution in underground water based on microorganisms, which comprises the following steps: filling nitrate slow-release rod-hollow ball materials into a PRB (permeable reactive barrier) in layers, spraying a compound microorganism bacterium solution on each layer of nitrate slow-release rod-hollow ball material, and constructing a flow blocking wall on the water inlet side of the PRB, and the petroleum hydrocarbon in the underground water is degraded through the nitrate slow-release rod-hollow sphere material and the compound microorganism bacterium liquid filled in the PRB. According to the method, the PRB is filled with the nitrate slow-release rod-hollow sphere material and is matched with the compound microorganism bacterium liquid, so that petroleum hydrocarbon pollutants in underground water passing through the PRB are efficiently degraded and removed, and the degradation rate of petroleum hydrocarbon pollutants in the underground water reaches up to 90% or above; the efficiency of repairing petroleum hydrocarbon pollution in underground water by microorganisms can be obviously improved.

The invention belongs to the technical field of back contact cells, and particularly relates to a joint passivation back contact cell and a post-texturing preparation method thereof, and the method comprises the steps: S102, sequentially forming a first semiconductor layer and a mask layer on the back surface of a silicon substrate; s103, cleaning and texturing are carried out, so that a texturing surface is formed on the light receiving surface of the silicon substrate, and the maximum height of a pyramid of the texturing surface of the light receiving surface is T1; s104, sequentially forming a passivation layer and an anti-reflection layer on the light receiving surface of the silicon substrate; s105, forming a second semiconductor opening region; s106, cleaning and etching are carried out, and a groove structure is at least formed in the second semiconductor opening region on the back surface of the silicon substrate; and S107, depositing a second semiconductor layer on the back surface, wherein the second semiconductor layer comprises an amorphous passivation layer and a second doped silicon layer. Under the conditions of simplifying the process steps and reducing the material cost, the interface contact resistance of the second semiconductor opening region can be reduced, the minority carrier lifetime is prolonged, and the cell efficiency and the double-sided rate are improved.

The invention relates to the technical field of water treatment, and discloses an ozone water treatment device which comprises a base, the top of the base is fixedly connected with a mixing cylinder and a treatment tank, the mixing cylinder is communicated with the interior of the treatment tank through a water inlet pipe, and one end of the mixing cylinder is fixedly communicated with a water injection pipe. The interior of the treatment tank is fixedly connected with a filter membrane plate, and the interior of the treatment tank is filled with powdered activated carbon. According to the ozone water treatment device, through the arrangement of the ozone mixing assembly, a water source needing to be treated is divided into a plurality of equal parts, and each equal part of the water source is treated independently in an independent ozone injection mode, so that the contact strength and range of the ozone water source are improved, and the ozone water treatment effect is enhanced; according to the ozone water treatment device, the ozone circulating assembly is arranged and is used for recycling residual ozone during ozone water treatment, so that the waste of ozone is avoided, and the sufficiency of ozone reaction is improved.

The invention discloses an ultra-low emission treatment system and device for Maotai-flavor liquor production wastewater, the wastewater passes through a combination of a rotary mechanical fine grid and a self-cleaning rotary fine grid, and various solids in the wastewater are thoroughly removed; in the pretreatment, precipitation and air floatation are combined, and a phosphorus removal agent, a coagulant and a flocculant are properly added, so that the phosphorus removal burden in the subsequent treatment is reduced. A UASB anaerobic reactor is adopted in the anaerobic treatment section, so that the phenomena of acidification and the like are not easy to occur. The biological treatment adopts an improved two-stage AO treatment process and is combined with an MBR (Membrane Bioreactor), so that the removal effect of COD (Chemical Oxygen Demand) and total nitrogen can be integrally improved, and the suspended solids, COD and total nitrogen concentration in effluent are reduced. In the deep treatment stage, catalytic ozonation and an MBBR biological treatment device are adopted, and a combined process of an efficient sedimentation tank and ultrafiltration / nanofiltration is combined; ozone catalytic oxidation enhances the oxidation capacity of ozone, and improves the B / C ratio and biodegradability of wastewater; mBBR biological treatment has the characteristics of a membrane method and a suspension method, and COD and total nitrogen in the wastewater are further effectively reduced.

The invention belongs to the technical field of solar cells, and provides a photovoltaic cell back surface processing method, a TOPCon cell, a preparation method and a photovoltaic module. According to the photovoltaic cell back surface treatment method, through polishing treatment of the back surface of a silicon substrate, oxidation treatment is carried out on a doped polycrystalline silicon layer in a non-metallization area in sequence, the oxidation treatment depth is controlled to reach the tail of a doped polycrystalline silicon band so as to form a silicon oxide layer in the non-metallization area, and subsequent acid pickling is carried out. The reflectivity of the back surface of the doped polycrystalline silicon band tail in the non-metallization region is higher than that of the back surface of the doped polycrystalline silicon layer in the metallization region; therefore, the back metal electrode adhesion performance and the metal contact performance of the metallization region on the back of the cell can be further improved, the passivation effect and the light secondary reflection absorption effect of the non-metallization region on the back of the cell can be further improved, and parasitic absorption can be reduced, so that the photoelectric conversion efficiency of the cell can be greatly improved.

The invention discloses a needle point coated probe and a preparation method thereof, the needle point part of the probe is subjected to surface treatment, and the probe at the position is a single probe body or a probe installed on a probe card and is subjected to surface treatment under the condition that the probe is not detached; and coating the tip part of the probe subjected to surface treatment, and coating the whole tip part with a coating to form a metal coating structure. The metal rhodium with high wear resistance and high conductivity is adopted to perform coating treatment on the needle tip part, so that the durability and the conductivity of the needle tip of the probe are enhanced, the contact resistance of the needle tip is reduced, the strength of a base material is enhanced, and the needle kneeling phenomenon is reduced; therefore, the actual performance of the probe card can be improved by processing the original probe structure, or the use performance of the probe card can be recovered by directly processing the tip of the probe of the card by recovering and reusing the failed probe card without dismounting, so that the cost is effectively reduced, and resources are recycled.

The invention discloses a soil pesticide residue degradation treatment device, and relates to the field of soil treatment, the soil pesticide residue degradation treatment device comprises: a mobile frame, the mobile frame is provided with a placing area and an accommodating cavity; the lifting mechanism comprises a lifting seat and an electric cylinder connected with the lifting seat; the multiple soil loosening and pesticide spraying mechanisms are rotationally installed at the bottom of the lifting base side by side, each soil loosening and pesticide spraying mechanism comprises a rotating disc, a pesticide spraying pipe is fixedly embedded in the middle of each rotating disc, a rotating connector is connected to the top end of each pesticide spraying pipe, and four plate bases surround the pesticide spraying pipes; a plurality of soil loosening assemblies are installed on the side, away from the pesticide spraying pipe, of the plate base from top to bottom at equal intervals. Hardened soil is subjected to crushing and loosening treatment through the multiple soil loosening and pesticide spraying mechanisms, meanwhile, degradation pesticide liquid is sprayed through the multiple soil loosening and pesticide spraying mechanisms, the degradation pesticide liquid can effectively make contact with the loose soil, permeation of the degradation pesticide liquid is facilitated, and the degradation treatment effect is improved.

The embodiment of the invention relates to the photovoltaic field, and provides a photovoltaic cell and a preparation method thereof, and a photovoltaic module, and the preparation method comprises the steps: providing a substrate comprising a first surface and a second surface; forming a hydrophobic layer covering the second surface; forming an aluminum oxide lamination layer on the first surface by adopting at least two atomic layer deposition process steps; the step of forming the aluminum oxide lamination comprises the following steps: placing a substrate covered with a hydrophobic layer in a reaction chamber, and introducing water vapor and trimethylaluminum into the reaction chamber in any circular deposition step, preset process parameters of any circulation deposition step in the (N + 1) th atomic layer deposition process are controlled to be lower than preset process parameters of any circulation deposition step in the Nth atomic layer deposition process, and the preset process parameters comprise at least one of water vapor flow, trimethylaluminum flow, water vapor introduction duration and trimethylaluminum introduction duration. The embodiment of the invention is at least beneficial to avoiding back surface winding plating and improving the film layer quality of the aluminum oxide laminated layer.

The invention discloses a heat treatment device for drill bit production, relates to the technical field of drill bit heat treatment, and solves the problems that when an existing heat treatment device for drill bit production is used, originally thrown-away chippings and oxide skin can be rolled into quenching liquid again and possibly attached to the surface of a drill bit again. A quenching barrel and an induction furnace are fixedly connected to the two ends of the base respectively, a support is fixedly connected to the top of the base, a first motor is embedded into the top of the support, a U-shaped frame is rotationally connected to the top of the support, and the end of a main shaft of the first motor is fixedly connected with the bottom of the U-shaped frame; the two ends of the top of the U-shaped frame extend towards the two sides correspondingly to form a pair of symmetrical bearing parts, and reciprocating lead screws are arranged at the bottoms of the bearing parts correspondingly. The drill bit heat treatment device has the advantages of being good in chipping and oxide skin removal effect and high in drill bit heat treatment efficiency.

The invention discloses a pesticide microcapsule and application thereof, and belongs to the technical field of pesticides. The pesticide microcapsule is prepared by the following method: adding pesticide active ingredients into ethyl acetate, then adding polylactic acid, and uniformly stirring to obtain an organic phase; the pesticide active ingredient is composed of a bifenthrin-clothianidin compound and piperine according to a mass ratio of 1: (1-3); dissolving polyvinyl alcohol in water to obtain a water phase; under an ice-water bath condition, dropwise adding the organic phase into the water phase, and simultaneously stirring to form an emulsion; and stirring, evaporating, centrifuging, washing and drying the emulsion to obtain the pesticide microcapsule. The bifenthrin, the clothianidin and the piperine are compounded to prepare the pesticide microcapsule, so that the pesticide resistance of pests due to the action of a single medicament is effectively avoided, the piperine not only directly has a toxic effect on the pests, but also can enhance the insecticidal effect of the bifenthrin and the clothianidin, and 1 + 1gt is realized; and 2, a synergistic effect is achieved.

The invention relates to the technical field of refrigerating units, in particular to a refrigerating unit with high heat exchange efficiency, which comprises a top cover and a main body frame, a condenser is fixedly connected to the rear side of the lower part of the inner wall of the main body frame, a plurality of layers of partition plates are arranged on the front side of the condenser, and an air inlet assembly is mounted in the front side of the main body frame; a fan assembly is arranged on the front side of the partition plate, and a circulating assembly is installed on the inner side of a sleeve support in the fan assembly. Through cooperation of the air inlet grille, the blades, the heat exchange pipe, the first water inlet pipe and the water drainage pipe, the length and time needed by airflow to pass through the grille are increased, the inclined air inlet grille enables the airflow which flows backwards uniformly originally to be concentrated inwards, the airflow is concentrated on the surfaces of the blades, and the heat exchange effect is improved. The pits on the surfaces of the blades further increase the contact area of the air flow and the blades, so that the problems that the time needed when the air flow passes through the heat exchange tube is short, the contact area is limited, and the heat exchange efficiency is low are effectively solved.

The invention belongs to the technical field of solar energy, and provides a method for repairing power attenuation of a solar cell module, which comprises the following steps of: 1, preparing a solar cell subjected to laser-assisted sintering treatment; step 2, preparing a corresponding JSIM cell assembly by using the solar cell subjected to laser-assisted sintering treatment; 3, applying a negative bias voltage to the JSIM battery assembly, and scanning the surface of the JSIM battery assembly by using laser so as to perform power attenuation repair on the JSIM battery assembly; in the step 3, the negative bias voltage applied to the JSIM battery assembly is controlled to be within the range of-400V to-1000V, and the laser power is 50-300W. According to the method, the power loss of the JSIM battery assembly can be recovered, the power of the JSIM battery assembly is improved, the photoelectric conversion efficiency of the JSIM battery assembly is further improved, the structure of the JSIM battery assembly cannot be damaged, and repairing is rapid and stable.

The invention belongs to the technical field of sewage treatment, particularly relates to phase-change deoxidization and deamination equipment and a phase-change deoxidization and deamination method based on sewage treatment, and aims to solve the problems that wastewater is difficult to completely contact with phase-change deoxidization fibers in a wastewater flowing process, so that the deoxidization effect is influenced in deoxidization operation, and the operation and the safety of the equipment are influenced, the following scheme is provided: the phase-change deoxidization and deamination equipment comprises a shell, end shells are arranged at the two ends of the shell correspondingly, purging pipes are fixedly connected to the outer walls of one sides of the two end shells correspondingly, and purging air bins are fixedly connected to one ends of the two purging pipes correspondingly. The phase change deoxidization and deamination equipment and method based on sewage treatment have the effect of improving the sewage treatment effect, and during use, the device can disturb flow of wastewater in the sewage pipe bin, so that the contact effect of the wastewater and the deoxidization fiber body is improved when the wastewater flows; further, the degassing effect of the deoxidizing fiber on gases such as oxygen and ammonia gas in the wastewater is improved, and the using effect of the device is improved.

The invention relates to a preparation method of a solar cell, the solar cell and a photovoltaic module. The preparation method of the solar cell comprises the steps that a substrate is provided, the substrate is provided with a first surface and a second surface which are oppositely arranged in the thickness direction perpendicular to the substrate, and at least one of the first surface and the second surface is defined as a target surface; forming a first tunneling layer, a first doped semiconductor layer, a second tunneling layer and a second doped semiconductor layer which are stacked on the target surface of the substrate in the direction away from the substrate to obtain a passivation structure; a plurality of holes are formed in the second tunneling layer; and performing annealing treatment on the passivation structure to increase the size of the hole in the direction parallel to the reference plane. According to the preparation method of the solar cell, the passivation performance of the solar cell can be improved, and the contact performance of the solar cell can also be improved.

The invention relates to the technical field of deep-sea mining, and discloses a combined operation system using deep-sea mining plume mud as seabed drilling fluid, which comprises a collection platform mounted on the sea level, a mining vehicle main body positioned on the seabed and used for collecting ores, and a drilling well formed in the seabed through a drilling pipe; the top of the mining vehicle body is fixedly connected with a plume protective cover through a supporting frame, a plurality of through holes communicating inside and outside are formed in the plume protective cover, and an ore collecting pipeline connected with a collecting platform is arranged on the mining vehicle body. According to the combined operation system using the deep-sea mining plume slurry as the seabed drilling fluid, the deep-sea mining vehicle protective cover is used, the overflow risk of the deep-sea mining plume is reduced, the plume is sealed in a control area through flocculation and exhausted mine field backfilling means, the marine environment cannot be affected, and the service life of the deep-sea mining plume slurry is prolonged. And the pollution risk of the operation system to the marine environment is further reduced through the recovery of the drilling fluid.

The invention provides a hydrophobic deep-eutectic solvent taking tea saponin and tea polyphenol as hydrogen bond donors and application of the hydrophobic deep-eutectic solvent in a camellia oil washing and caring product. According to the invention, coco fatty acid diethanolamide and lauryl betaine are respectively used as hydrogen bond acceptors, tea saponin and tea polyphenol are used as hydrogen bond donors, and the hydrophobic deep-eutectic solvent type detergent with a cleaning function is prepared according to different substance amount ratios of the hydrogen bond donors and the hydrogen bond acceptors. The characteristics of detergency, foaming power and the like of the hydrophobic deep-eutectic solvent type detergent are detected, the ratio of tea polyphenol to tea saponin in a hydrogen bond donor is explored, natural, pollution-free and mild bath oil and massage oil are further prepared, and in the cleaning process, massage can be performed according to skin conditions, so that the utilization effect of active ingredients in the product is improved, and the skin care effect is improved. The development of the novel bath oil provides a new thought for the research of infant care products.

The invention relates to the field of batteries, and discloses a positive plate and a battery, the positive plate comprises a non-compact current collector, a first tab and an active material layer located on the surface of the current collector; the current collector has pores, and the first tab extends from the current collector to the outer side along a first direction; the surface of the current collector comprises a first region and a second region which are distributed along a first direction, and the first tab is connected with the edge of one side, far away from the second region, of the first region; the thickness of the active material layer in the first region is smaller than that of the active material layer in the second region; the first porosity of the first region is smaller than the second porosity of the second region, and the difference between the first porosity and the second porosity and the thickness of the active material layer in the second region meet the following relational expression: Q% is greater than or equal to 5% and less than or equal to 75%; and 0.4 < = H / Q < = 75. The porosity of the first region at the edge of the current collector is smaller than that of the second region, so that the thickness difference between the active material layers on the second region and the first region can be reduced, lithium precipitation and battery deformation are avoided, and the battery safety is improved.

The invention provides a seed crystal suspension and a preparation method thereof, a preparation method of a nanoscale FER molecular sieve, and a preparation method and application of a nanoscale hydrogen type FER molecular sieve, and belongs to the field of molecular sieves. The invention provides a preparation method of a seed crystal suspension, which comprises the following steps: mixing a first silicon source, a first inorganic metal alkali source, a first aluminum source, pyrrolidine and first water to obtain first gel; performing first hydrothermal crystallization on the first gel to generate a seed crystal of which the structure is an FER molecular sieve, so as to obtain a seed crystal suspension; the temperature of the first hydrothermal crystallization is 150-180 DEG C, and the time is 10-16 hours. According to the method, pyrrolidine is selected as an organic template agent, the temperature and time of hydrothermal crystallization are adjusted, the prepared seed crystal can effectively induce the formation of crystal nucleuses when the FER molecular sieve is prepared, more initial crystal nucleuses effectively inhibit the growth of the FER molecular sieve, and the size of the FER molecular sieve is reduced.

The present invention belongs to the technical field of gas drying, and in particular to a compressed gas drying device. In view of the fast gas circulation rate, the use of an adsorption layer alone will result in poor drying effect of the compressed gas and high water content of the gas. The following scheme is now proposed, including a drying cylinder, a vent seat is provided at the bottom of the drying cylinder, and a top cylinder is provided at the top of the drying cylinder, the top cylinder and the drying cylinder are fixedly connected, an exhaust pipe is fixedly connected to the upper side of the top cylinder, and a filling cylinder is provided on the outside of the top cylinder, and the lower port of the filling cylinder is connected to the inner cavity of the drying cylinder. A compressed gas drying device disclosed in the present invention adopts a method of reciprocatingly adding water-absorbing particles in the drying cylinder, and uses compressed air circulating from bottom to top to drive the movement of the water-absorbing particles. In the process, the contact effect between the compressed air and the water-absorbing particles can be increased, thereby achieving the purpose of drying the compressed gas.

The invention belongs to the technical field of solar cells, and particularly relates to a preparation method of an n-TOPCon cell with a thinned back surface. The technical key points are as follows: a laminated structure containing a tunneling oxidation passivation structure is prepared on the back surface by adopting a PECVD (Plasma Enhanced Chemical Vapor Deposition) method, and the laminated structure obtained after annealing is as follows: first SiOx / first poly-Si (n +) / second SiOx / second poly-Si (n +) / PSG; a laser is adopted to act on the PSG in the non-contact area, so that the PSG in the non-contact area is loosened, pores are formed, and loose PSG is formed; alkali washing is adopted, so that the second poly-Si (n +) and the second SiOx in the non-contact area are removed at the same time by alkali liquor through pores of the loose PSG. The purpose of thinning the back surface of the n-TOPCon cell is achieved, poly-Si in a contact area is reserved, the burn-through risk of the cell is reduced, and the cell efficiency is improved.

The utility model relates to the technical field of waste recycling of thermal power plants, and particularly discloses a raw material impurity removal device for fly ash production, which comprises a crushing bin, a feeding hole is formed in the top of the crushing bin, crushing rollers are symmetrically arranged in the crushing bin, and a first driving mechanism for driving the crushing rollers to rotate relatively is arranged on the outer side wall of the crushing bin; the iron removal bin communicates with the bottom of the crushing bin, a filter plate is arranged between the iron removal bin and the crushing bin, and a plurality of electromagnetic rods are slidably connected to the side wall of the iron removal bin; the conveying bin communicates with the bottom of the iron removal bin, a conveying roller is rotationally connected into the conveying bin, a second driving mechanism for driving the conveying roller to rotate is arranged on the side wall of the outer side of the conveying bin, a plurality of filtering holes are formed in the bottom of the side, located under the iron removal bin, of the conveying bin, and a notch is formed in the bottom of the other side of the conveying bin; the fly ash screening device can achieve the purpose of removing iron powder impurities in the fly ash screening process, and can prevent scraped iron powder from falling into the conveying bin to affect the quality of subsequent finished fly ash products.

The invention discloses a preparation method of a high-resilience graphene foamed film, which is characterized in that on the basis of traditional hydrazine hydrate foaming, tert-butyl alcohol is introduced as a regulator, so that the problem of non-uniform pore size distribution in a graphene film caused by rapid reduction of hydrazine hydrate is avoided, and the compression resistance and resilience of the whole material are improved by virtue of a fine pore structure. And through subsequent low-temperature thermal reduction, carbonization and graphitization treatment, the conjugated structure of the graphene is further recovered, and the porous membrane skeleton is endowed with high compression resilience performance. The obtained high-resilience foaming film can be used as a base material of materials for phase change heat storage, batteries, capacitors, thermal interfaces and the like, and preparation of a high-mechanical-property composite material is achieved.

The invention discloses a high-efficiency liquid working solution regenerant, a preparation method thereof and a working solution regeneration method, the regenerant comprises a mixed solvent, an inorganic base and an organic base, and the mixed solvent is a mixture of ethanol and C9 aromatic hydrocarbon. The high-efficiency liquid regenerant prepared by the invention is used for regenerating the working solution, and has the advantages that the working solution regeneration capacity is high, the regeneration method is simple, the regeneration cost is low, the regenerated regenerant can be removed, and other impurities are not introduced.

The invention relates to the technical field of photovoltaic modules, and discloses an EL detection structure for series welding production of photovoltaic cells. A pressing head; the contact layer covers one side, close to the pressure head, of the electrode block, and the contact layer is made of a flexible conductive material; the welding strip is arranged on the contact layer, and the section of the welding strip is circular; the pressing head moves in the direction close to the electrode block, and the welding strip is pressed between the pressing head and the electrode block; the contact layer is extruded, the part, in contact with the welding strip, of the contact layer deforms, and the contact layer wraps part of the peripheral surface of the welding strip; according to the EL detection structure for series welding production of the photovoltaic cells, the contact layer made of the flexible conductive material is arranged between the electrode block and the pressure head, and when the pressure head presses the welding strip, the contact layer can deform and wrap a part of the peripheral surface of the welding strip, so that the contact area and the contact tightness of the welding strip and the electrode block are greatly increased, and the detection efficiency is improved. And the contact layer is simple and convenient to arrange, and can be widely applied to series welding production of various photovoltaic cells.

The invention discloses a preparation method of a crystalline silicon solar cell. The preparation method comprises the following steps: arranging a function adjusting layer on and / or in a passivation dielectric layer; electrode slurry is printed on the passivation dielectric layer and corresponds to the position of the function adjusting layer; sintering to form a metal electrode; the function adjusting layer comprises at least one of compounds containing specific cations, the compounds containing the specific cations can release the specific cations at the sintering temperature, and the specific cations are cations corresponding to elements involved in the glass network formation. According to the preparation method, minority carrier recombination can be effectively reduced, the passivation effect of the battery is improved, and the conductivity of the metal electrode is effectively improved.

The invention discloses a solar cell, a photovoltaic module and a semiconductor substrate, and relates to the technical field of photovoltaics, so that a passivation layer has a good passivation effect on the semiconductor substrate. Meanwhile, the contact performance of the doped semiconductor layer and the electrode and the shaping of the electrode are improved, and the conversion efficiency of the solar cell is improved. The solar cell comprises a semiconductor substrate and a passivation layer. The semiconductor substrate has a first surface and a second surface opposite to each other. At least one of the first surface and the second surface is a target surface. The passivation layer is disposed on the target surface. And one side of the passivation layer away from the semiconductor substrate is provided with a plurality of tower footing-like texture structures which are recessed towards the passivation layer. Wherein each tower footing-like texture structure is defined by a polygon-like bottom surface and side surfaces. In the same tower footing-like texture structure, at least one corner of the polygon-like bottom surface is provided with a plurality of protrusions climbing in the extension direction of the side ridge, and the protrusions on the same corner are provided with fluctuating shapes extending in the direction parallel to the polygon-like bottom surface.

The invention belongs to the technical field of solid-state batteries, and particularly discloses solid-state electrolyte slurry and a preparation method thereof, a solid-state electrolyte and a solid-state battery. The preparation method of the solid electrolyte slurry comprises the following steps: dissolving a nickel salt, a cobalt salt, a manganese salt and a surfactant in a solvent to obtain a solution A; dissolving a ligand in a solvent to obtain a solution B; the solution A is added into the solution B for a reaction, and after the reaction is completed, a NiCoMn-MOF material is obtained; the NiCoMn-MOF material is subjected to heating, heat preservation and modification in an oxygen-containing atmosphere, and a modified NiCoMn-MOF material is obtained; and mixing the modified NiCoMn-MOF material, a lithium salt, a polymer and a solvent 1 to obtain the solid electrolyte slurry. The modified NiCoMn-MOF similar to a ternary material is added into the solid electrolyte slurry, so that the dissolution of transition metal of a positive electrode material can be inhibited.

The invention belongs to the technical field of soil monitoring, and discloses an ecological restoration soil reconstruction dynamic monitoring device which comprises a fixing frame and further comprises a driving assembly, and the driving assembly is assembled on the top of the fixing frame; and the sampling assembly is arranged on the fixed frame. A driving assembly moves upwards to drive a connecting frame and a guide pipe, a sliding block on the inner wall of the guide pipe is matched with an arc-shaped groove, so that a second transmission rod and scraping plates rotate, the four scraping plates are in an open state, and a first supporting plate and the scraping plates are driven by the driving assembly to rotate; soil is scraped between a second supporting plate and a first supporting plate through one ends of scraping plates, a driving assembly moves downwards to drive a connecting frame and a guide pipe, and meanwhile a stainless steel probe moves downwards to penetrate through the second supporting plate and a protection pad to enter the positions among the four scraping plates and is inserted into the soil in a circular ring; the problem that the stainless steel probe is damaged due to the fact that the stainless steel probe is prevented from moving downwards from broken stones or hard substances contained in the soil is effectively avoided.

The utility model discloses a waste gas oxidation treatment device which is characterized in that a gas inlet pipe is arranged on one side of a combustion box, a first connecting pipe is arranged on the other side of the combustion box, the other end of the first connecting pipe is connected with a catalysis box, a motor box is arranged on the upper end face of the catalysis box, and a motor is arranged in the motor box. An output shaft of a motor of the waste gas oxidation treatment device and a first catalyst plate form an elastic clamping limiting structure through an elastic limiting block and a fixing plate, and the first catalyst plate forms a rotating structure in a catalytic box through the output shaft under the action of the motor, so that the contact effect of the first catalyst plate and waste gas is improved through the motor; a baffle plate of the device and a second connecting pipe form a vertical lifting structure through a telescopic arm under the action of an electric push rod, so that the oxidized gas quantitatively enters a cooling box to be cooled through the lifted baffle plate; and the gas is prevented from continuously entering the cooling box to reduce the cooling efficiency.