205 results about "Silver electrode" patented technology

The invention discloses a solar cell and a photovoltaic module, and relates to the field of photovoltaic technology. The solar cell includes: a semiconductor substrate having a first semiconductor layer on a first surface; the passivation layer at least covers one side, deviating from the semiconductor substrate, of the first semiconductor layer; the seed layer penetrates through the passivation layer and is conductively connected with the first semiconductor layer; at least part of the first grid line is arranged on the side, away from the semiconductor substrate, of the seed layer, and the first grid line is formed by base metal slurry. The height of the seed layer is h1, the height of the first grid line is h2, and 0.08 < = h1 / h2 < = 0.8. Compared with the prior art in which the silver paste burns through the passivation layer to integrally form the silver electrode, the amount of the silver paste required for manufacturing the whole electrode structure of the solar cell can be reduced, and the manufacturing cost of the whole electrode structure is reduced.

The robot simulation skin structure comprises a temperature control unit and an evaporation heat dissipation unit, the temperature control unit comprises a flexible base layer and a silver electrode layer, the silver electrode layer covers the flexible base layer, the flexible base layer is made of a flexible PTC material, the evaporation heat dissipation unit comprises a liquid storage layer and an opening and closing door, and the opening and closing door is made of a flexible PTC material. The opening and closing door covers the liquid storage layer, the opening and closing door is a shape memory alloy opening and closing door or a shape memory polymer opening and closing door, and heat dissipation liquid is arranged in the liquid storage layer. Therefore, according to the simulated skin structure, the temperature sensing function, the self-adaptive heating function and the evaporative heat dissipation function are integrated into a single flexible structure, the autonomous response of local heat management can be achieved without an external complex control system, and therefore an extra sensor, an extra controller and an extra complex circuit are omitted; independent work and quick response of each local area are realized, and the system structure is greatly simplified.

The invention discloses copper paste, an electrode and a preparation method and application of the electrode, the electrode comprises copper powder, the copper powder comprises nano-copper particles and flaky copper powder, the nano-copper particles comprise at least two connected copper nanoparticles, and the adjacent copper nanoparticles are connected in a surface contact mode. According to the electrode disclosed by the invention, the nano-copper particles formed by connecting more than two copper nano-particles are filled in the gap areas among the large-size flaky copper powder, so that the nano-copper particles are in direct contact with the flaky copper powder, conductive channels among the conductive particles are smoother, and the structure of the electrode is more compact due to the filling of the nano-copper particles; the bulk resistance of the electrode is greatly reduced and is equal to the conductivity of a silver electrode; the nano-copper particles can also be used as an auxiliary adhesive after being sintered and cured, so that the adhesive force between the copper grid line and the solar cell is improved, and the connection between the grid line and the solar cell is firmer.

The invention provides a waste photovoltaic panel pyrolysis nondestructive recovery system and method, and relates to the technical field of photovoltaic panel pyrolysis, the system comprises a pretreatment unit, a mechanical treatment unit and a chemical treatment unit, the pretreatment unit is used for dismounting an aluminum frame, a junction box and a back plate on a waste photovoltaic panel; the mechanical treatment unit comprises a low-temperature pyrolyzing furnace and a cutting machine which are connected with each other, the low-temperature pyrolyzing furnace is connected with the pretreatment unit and is used for softening an EVA adhesive film on the waste photovoltaic panel, and the cutting machine is used for cutting the softened EVA adhesive film so as to separate a glass sheet from a battery piece; the chemical treatment unit comprises an acid-base treatment module and an electrochemical recovery module which are connected, the acid-base treatment module is connected with the cutting machine and used for recovering aluminum back electrodes on the battery pieces, and the electrochemical recovery module is used for electrolyzing and recovering silver electrodes on the battery pieces to obtain silicon wafers. According to the invention, nondestructive recovery of the silicon wafer can be realized, the recovered silicon wafer can be directly reused for photovoltaic panel production, and the production cost of the photovoltaic panel is reduced.

The invention provides a method for testing the contact resistance of a solar cell film, which comprises the following steps of: preparing a plurality of multi-layer stacked test samples with different thicknesses, and alternately depositing an amorphous silicon film and a transparent conductive oxide film on a glass substrate of each sample to form a horizontal laminated structure; respectively arranging silver electrodes on the left side and the right side of each sample for performing voltage-current volt-ampere test, and recording the total resistance of each sample in a specified voltage range and the change condition of the total resistance along with the thickness of the film layer; electrode contact resistance is measured and deducted; reversely deducing the resistance value when the thickness of the film layer is 0 through an extrapolation method to obtain the contact resistance between the film layers; and calculating the contact resistance of a single interface according to the number of contact interfaces of the amorphous silicon film and the transparent conductive oxide film in the sample. The method is suitable for a test system under different manufacture procedures and thickness changes, and quantitative extraction of the contact resistance between the amorphous silicon and the TCO is achieved.

The invention discloses a method for preparing a solar cell by inhibiting perovskite iodine migration and modifying a thin film through a piperazine derivative, and belongs to the technical field of perovskite solar cells. According to the method, a piperazine derivative is used between a perovskite layer and an electron transport layer, so that the piperazine derivative has the functions of modifying a perovskite thin film and inhibiting iodine migration. A modified perovskite light absorption layer is obtained by spin-coating a piperazine derivative solution on the surface of perovskite. The piperazine derivative can act with the iodine simple substance generated after the perovskite material is degraded, and decomposes the iodine simple substance to generate iodide ions, so that further degradation of the perovskite film is prevented, contact between the iodine simple substance and a silver electrode is reduced, and the stability of perovskite is improved. Meanwhile, the material can effectively passivate lead site defects on the surface of the perovskite thin film, and non-radiative recombination generated at the defects is reduced. According to the method, perovskite degradation and silver electrode damage caused by iodine elementary substance volatilization can be effectively inhibited, and an efficient and stable perovskite solar cell device is finally obtained.

The invention relates to a piezoelectric-piezoresistive collaborative mechanism-based sensor array and a preparation method and application thereof. The sensor array comprises a flexible packaging substrate layer, a piezoelectric layer, a piezoelectric layer and a piezoelectric layer which are sequentially integrated from bottom to top, the bottom electrode layer is composed of a stretchable silver electrode array subjected to silk-screen printing and serves as a lower electrode of the piezoelectric sensor; the piezoelectric functional layer is composed of a lead zirconate titanate-glass fiber composite film, and the piezoelectric functional layer is subjected to corona polarization treatment; the piezoresistive sensing layer is formed by spraying a polyvinylpyrrolidone modified carbon material dispersion liquid, the piezoresistive sensing layer is used as an upper electrode of the piezoelectric sensor, the piezoresistive sensing layer is directly deposited on the surface of the piezoelectric functional layer, and the piezoresistive sensing layer and the piezoelectric functional layer pass through a common electrode; and packaging a protection layer on the top layer. Compared with the prior art, the method has the advantages of high sensitivity, wide linear range and multi-parameter synchronous detection capability, high-resolution real-time deformation identification can be realized, and key technical support is provided for high-precision sensing application such as profile inversion.

The invention discloses a crosslinking self-assembly hole blocking layer material containing siloxane and anchoring groups, and belongs to the field of perovskite solar cells. In the hole blocking layer material, the siloxane component triggers alcoholysis reaction in an isopropanol medium to form a silane precursor with hydroxyl; si-OH groups between adjacent molecules are subjected to a condensation reaction to form a Si-O-Si cross-linked network; meanwhile, a Si-OH group in the precursor and an ester group on the surface of a PCBM molecule are subjected to an ester exchange process, and Si-O-C covalent linkage is constructed to realize chemical anchoring of PCBM; and an anchoring functional group at the tail end of the material and the surface of a silver electrode form a strong coordination effect, so that thermally-driven silver atom migration is effectively inhibited, and performance degradation of the perovskite solar cell under a high-temperature working condition is remarkably relieved. The invention opens up a new way for improving the thermal stability of the perovskite solar cell, and effectively solves the problem of device stability caused by metal electrode ion diffusion.

The application discloses a silver-silicon contact resistance test screen plate for silicon-based photovoltaic slurry and a test method thereof. The test screen plate comprises a silicon wafer, and a cross line is marked in the middle of the front surface of the silicon wafer to divide the front surface into four printing areas with the same area. The four printing areas are divided into two groups with two opposite angles as a group. Two printing areas in the first group are arranged into two rows of vertical gate lines according to the opposite angles, and two printing areas in the second group are arranged into two rows of horizontal gate lines according to the opposite angles. Each row of vertical gate lines and horizontal gate lines comprises six gate lines with the same size, and the gate lines are parallel to each other. The application provides a screen plate design and a test method for contact resistance test, so that the performance of the material can be better evaluated, and the conversion efficiency of the battery piece is effectively improved. In addition, the screen plate and the test method can satisfy that two different silver electrodes are printed on the same silicon wafer, the difference in bulk resistance between different silicon wafers is effectively reduced, and the accuracy of the contact resistance test result is ensured.

The invention provides a method for recycling battery pieces from waste photovoltaic panels, and belongs to the technical field of solid waste resource utilization. According to the method, residual EVA decomposition and aluminum back electrode recycling are achieved through selective alkali liquor treatment, then silicon wafers are obtained through acid leaching recycling, the silver electrode is further recycled through electrolytic treatment, the treatment process is simplified, and the recycling cost is reduced; in addition, the recovery rate of aluminum and silver is high.

The utility model discloses an integrated solid-state nanopore biological detector, which relates to the technical field of biological detection and comprises a fluid pool shell, a solid-state nanopore silicon nitride chip and a PCB (printed circuit board), a sample injection hole is arranged on the fluid pool shell, the solid-state nanopore silicon nitride chip is arranged in the fluid pool shell, and the solid-state nanopore silicon nitride chip is arranged in the PCB. A silicon nitride window corresponding to the solid-state nanopore silicon nitride chip is formed in the fluid pool shell, a PCB (Printed Circuit Board) is fixed in the fluid pool shell, an RFID (Radio Frequency Identification Device) storage chip, a magnetic connector and silver electrodes are arranged on the PCB, and the silver electrodes are positioned on two sides of the silicon nitride window. According to the utility model, the RFID storage chip is arranged, so that the key information of the biological detector is stored and traced, and the problem of information management disorder in the prior art is solved; the RFID storage chip can store key information of the biological detector for a long time, and the integrity and traceability of the data are ensured.

The invention relates to the technical field of oxygen free radical detection, in particular to a manufacturing process of a portable and reliable oxygen free radical detector. Comprising the following steps: mixing superoxide dismutase, potassium ferricyanide, an isothiazolinone preservative, hexammine ruthenium chloride, polyethylene glycol octylphenol ether, trehalose and bovine serum albumin, and uniformly stirring to prepare an enzyme preparation; mixing an enzyme preparation with the high polymer material solution to form reagent layer slurry with viscosity; uniformly coating the reagent layer slurry on a substrate material, and drying; printing an electrode material on the substrate material to form a working electrode and a counter electrode; the silver electrode is placed in an electrolyte containing chloride ions, potential is applied, the silver surface is subjected to a chlorination reaction, and a silver / silver chloride electrode is formed; covering the reagent layer above the electrode, tightly combining the reagent layer with the electrode in a sticking or hot pressing manner, and cutting to obtain the test paper; the prepared portable oxygen free radical detector can be used for conveniently and efficiently detecting oxygen free radicals of a human body at low cost.

The present invention discloses a silver-nickel conductive paste for BC cells and its preparation method, belonging to the technical field of photovoltaic cells; by weight percentage, the raw material composition is: 39-69% of micron silver powder, 20-50% of modified nickel, 2-6% of glass powder, 0.1-10% of dispersant, 0-1% of silicone oil, and the balance is organic carrier; the modified nickel is elemental nickel powder subjected to modification treatment, and the modification treatment methods are surface organic modification and ball milling modification, or surface inorganic modification and ball milling modification. The present invention uses nickel powder to replace part of the silver powder, and the prepared conductive silver-nickel paste is used for BC cells, significantly reducing the cost, having high reliability, and the conversion efficiency is better than or equivalent to that of traditional all-silver electrode pastes.

The invention discloses a wafer capacitor adopting a carbon fiber pin and a production process and production equipment thereof. The wafer capacitor comprises a wafer capacitor body, a silver electrode and the carbon fiber pin. The production process comprises the steps of adsorbent preparation, carbon fiber wrapping with the adsorbent, pre-reduction reaction, insulation layer wrapping and wafer capacitor preparation. The production equipment comprises a lifting pool, a silver ion soaking pool, a phosphorous acid soaking pool, a hot extrusion mechanism, an extruder and a laser welding unit. According to the method, carbon fibers are wrapped with an adsorbent with high silver adsorption, a porous conductive carbon fiber structure with a nano-silver wire network is produced through pre-reduction of a reducing agent and a high-temperature reducing atmosphere reaction, and tin-free welding is carried out on a high-silver-content modified carbon fiber pin and silver on the surface of a wafer capacitor through laser welding; and the obtained product has the advantages of light weight, high strength, high conductivity, high welding strength, corrosion resistance, high temperature resistance and the like, so that the wafer capacitor adapts to a severe environment, and the application range is widened.

The utility model discloses a medical graphene constant-temperature box which comprises a box body, a box cover, a heating plate and a storage bin. By arranging the graphene heating coating and the grid-shaped silver electrode strips shaped like the Chinese character'tian ', the graphene heating coating can rapidly and uniformly perform overall heating and heating, and the generation speed and efficiency of heat are improved; the heat dissipation plate and the heat dissipation holes which are uniformly and densely arranged in the shape of the Chinese character'tian 'are arranged, so that generated heat can be quickly and uniformly diffused into the box body through micro holes in the heat dissipation plate, and the storage bin is further quickly and uniformly heated; the temperature control system is arranged, the temperature in each storage bin is monitored and controlled in real time, accurate control over different temperatures in different storage bins can be achieved, and different heat preservation temperatures are set according to using requirements so that different articles can be stored in a classified mode.

The invention discloses a composite wafer narrow pulse stress sensor and a preparation method thereof, the composite wafer narrow pulse stress sensor comprises a piezoelectric body, a silver electrode and a ceramic protection layer, the piezoelectric body comprises a plurality of piezoelectric microcolumns and an organic silicon resin matrix, the plurality of piezoelectric microcolumns are distributed in the organic silicon resin matrix at intervals, and the piezoelectric microcolumns are arranged in the organic silicon resin matrix. The organic silicon resin matrix comprises silicon carbide powder and methyl phenyl silicone resin, the silver electrodes are arranged on the two opposite sides of the piezoelectric body in the first direction, and the ceramic protection layer is located on the sides, away from the piezoelectric body, of the silver electrodes in the first direction. According to the composite wafer narrow pulse stress sensor provided by the embodiment of the invention, the composite wafer narrow pulse stress sensor can easily excite a narrow pulse signal, so that the difficulty of processing an ultrasonic signal excited by the composite wafer narrow pulse stress sensor by a subsequent processing module can be effectively reduced; and the precision of the stress measured according to the ultrasonic signal excited by the composite wafer narrow pulse stress sensor can be improved.

The present invention discloses a high-density piezoelectric array flexible thin film sensor and its acoustic-assisted 3D manufacturing method. This sensor includes an upper electrode layer, a sensing layer, and a lower electrode layer; the upper electrode layer and the sensing layer are provided with mutually cooperating concave-convex interlocking positioning structures, the upper electrode layer and the lower electrode layer are provided with an upper layer of microparticle silver electrode array and a lower layer of microparticle silver electrode array, respectively, and the sensing layer is provided with a barium titanate microparticle strip array, and the upper layer of microparticle silver electrode array is electrically connected to the lower layer of microparticle silver electrode array via the barium titanate microparticle strip array; this sensor is prepared by an acoustic-assisted 3D printing manufacturing method. The method of the present invention realizes the additive manufacturing of a high-resolution flexible pressure film sensor of 254DPI, solves the problem of low density of traditional piezoelectric film arrays, improves pressure sensing performance and detection resolution, and enhances the flexibility and adherence of the piezoelectric film.

The present invention provides a silver electrode having smaller change in resistivity due to temperature change as compared with the related arts, and a method of manufacturing the silver electrode. The silver electrode is configured to have one peak in a range of a diffraction angle 2θ=37.5° to 38.3° in an X-ray diffraction pattern measured by an X-ray diffractometer using a CuKα1 ray, and a change rate of the diffraction angle of the peak after heated at 150° C. for 30 minutes is less than or equal to 0.5%. In this way, the silver electrode has smaller change in resistivity due to temperature change as compared with the related arts.

The application discloses a kind of bromine iodine lead cesium perovskite solar cells of doping magnesium bromide prepared in low humidity environment and preparation method thereof, belong to perovskite photovoltaic technical field, including ITO transparent conductive glass and sequentially coated on ITO transparent conductive glass dense layer TiO2, SnO2 layer, bromine iodine lead cesium perovskite light-absorbing layer of doping magnesium bromide, 2,2',7,7'-tetra [N,N-di (4-methoxyphenyl) amino] -9,9'-spirobifluorene hole transport layer of doping lithium salt, silver electrode, and its preparation method is disclosed, the application is by doping into bromine iodine lead cesium perovskite precursor doping different molar magnesium bromide to optimize the energy level matching between perovskite and electron transport layer and hole transport layer, effectively reduce the recombination probability of carrier and improve the mobility of carrier, improve the crystal quality of perovskite thin film, to realize the light absorption coefficient of optimization light-absorbing layer, finally realize the improvement of bromine iodine lead cesium inorganic perovskite solar cell photoelectric conversion efficiency.

The invention belongs to the technical field of solar cells, and relates to a trans-perovskite solar cell based on a solution method mixed electron transport layer and a preparation method of the trans-perovskite solar cell. The perovskite solar cell is composed of a transparent conductive oxide glass substrate, a hole transport layer, a perovskite light absorption layer, a passivation layer, an electron transport layer and a silver electrode layer in sequence. Materials used by an electron transport layer are generally fullerene and derivatives thereof, but the fullerene has the defects of poor light absorption capability, difficulty in purification, high production cost and the like, and the space for further improving the performance of the device is very small on the premise of good optimization of perovskite layer crystallization and interface engineering. The non-fullerene micromolecule Y6 is introduced into the electron transport layer, so that the cathode interface energy level can be effectively regulated and controlled, and the light absorption of the cell in a near-infrared region is improved. The trans-perovskite solar cell based on the PCBM: Y6 mixed electron transport layer has higher short-circuit current density and stability.

The invention relates to the technical field of piezoelectric ceramic materials, in particular to a BaTiO3-based lead-free iron piezoelectric ceramic material and a preparation method thereof.The chemical composition of the ceramic material is Ba0. 86Ca0. 14Ti1-x (Ta0. 5Sc0. 5) xO3, and x is larger than or equal to 0.04 and smaller than or equal to 0.12. The preparation method comprises the steps that a Ba source, a Ca source, a Ti source, a Ta source and an Sc source are taken according to the chemical formula, ball milling and drying are conducted, and mixed powder A is obtained; pre-sintering the mixed powder A to obtain mixed powder B; carrying out secondary ball milling on the mixed powder B to obtain mixed powder C; pressing the mixed powder C to obtain a sample A, and performing cold isostatic pressing treatment on the sample A to obtain a sample B; sintering the sample B in an oxygen atmosphere for 2-3 hours to obtain a sample C; and polishing the sample C, coating two surfaces of the sample C with silver electrodes, and preserving heat for 20-30 minutes to obtain a final sample. Through a method of doping Ta and Sc in a lead-iron-free barium titanate system, coexistence of a huge electrocaloric and an ultra-wide working temperature window of a lead-free system is realized, and commercialized application of a lead-free electrocaloric material is expected to be realized.

The present invention belongs to the technical field of flexible pressure sensors, and discloses a preparation method and application of a flexible pressure film based on a carbon nanotube composite material. Using an iron alloy as a catalyst and acetylene as a carbon source, a carbon nanotube array is prepared by chemical vapor deposition; the carbon nanotube array is mixed and dispersed with commercially available carboxylated carbon nanotubes and PDMS, and a flexible pressure sensing film is obtained after scraping and curing; silver electrodes are printed on a PET film by screen printing, and an upper and lower electrode type packaging is adopted to prepare a flexible pressure sensor. The flexible pressure film with a carbon nanotube array / carboxylated carbon nanotube composite structure provided by the present invention can effectively improve the sensitivity and detection range of the flexible pressure sensor. The preparation process of the present invention is simple, and has good pressure sensing performance. The maximum pressure sensitivity can reach -2.586 kPa-1, and the detection range is 0 to 450 kPa, which has potential application value in technical fields such as electronic skin and intelligent medicine.

The application discloses a kind of glass powder for electroplated silver paste, and chemical composition includes: SiO2 30~40%, TiO2 10~20%, B2O3 10~20%, SrO 5~10%, MgO 5~10%, ZnO 5~10%, BaO 1~10%, Na2O2~8%, Al2O3 1~5% by mass percentage.The silver paste glass powder has a suitable softening temperature, strong crystallization ability, excellent acid resistance, and has a matching thermal expansion coefficient and chemical compatibility with the ceramic substrate;The silver electrode made of the glass powder can complete the electroplating process well, and can achieve excellent adhesion strength between the silver electrode and the ceramic substrate, and is suitable for popularization and application.

The utility model belongs to the technical field of evaporation mask carrier plate, especially relates to a perovskite crystalline silicon laminated solar cell top silver electrode evaporation mask carrier plate, include: silver plating carrier plate is equipped with a plurality of battery area for placing battery on the silver plating carrier plate, be equipped with transparent conductive oxide film surface on the battery area, be equipped with main shan on the transparent conductive oxide film surface, be equipped with a plurality of thin shan in main shan, the test hole is seted up in one side of main shan, firm fixation: ensure that the bottom battery is completely fixed in the evaporation process, avoid displacement. Nondestructive taking and placing: after evaporation, battery taking and placing operation is simple and convenient, and the risk of fragmentation is greatly reduced. Precise positioning: silver main grid line and thin grid line can be evaporated in the preset target area extremely accurately, ensure that grid line pattern accurately covers non - transparent or specified area, thereby maximum electron collection efficiency, effectively improve the overall performance of battery. Increase efficiency: support multiple battery synchronous evaporation.

The invention belongs to the technical field of precious metal silver recovery, and discloses a method for recovering a silver electrode on the surface of a photovoltaic module through immersion type laser pyrolysis and a processing device. The processing device comprises a laser, a light path system, a galvanometer, a visual alignment system, a battery piece positioning device, an objective table, a working solution, a processing tank, a working solution circulating system, a collecting tank, a suction filtration system and a recycling tank. The method comprises the following steps that a silicon battery piece in a photovoltaic module is detached to serve as a raw material, the battery piece is placed on an objective table and fixed, a silver grid line pattern on the surface of the battery is captured through a visual system, silver grid line position data is provided for a galvanometer control card, and a laser machining path of a silver electrode is formed under the control of a galvanometer. After positioning is completed, the battery piece and the objective table are immersed in a working solution with a certain depth, a silver electrode is liquefied or gasified through laser pyrolysis and then rapidly coagulated into silver particles with different particle sizes, discharging work is conducted after single piece machining is completed, and the silver particles are recycled through the circulating suction filtration device.

The invention relates to the technical field of photovoltaic module recovery and resource recycling, in particular to silver powder extracted from a silver electrode of a photovoltaic device and a preparation method of the silver powder. The invention provides a method for extracting silver powder from a silver electrode of a photovoltaic device. The method comprises the following steps: (1) separating the silver electrode from the photovoltaic device; and (2) the separated silver electrode is immersed in an organic solution to be dissolved, solid-liquid separation, cleaning and drying are conducted, and the silver powder is obtained. According to the method, the potassium tert-butoxide and the inorganic base are compounded for use, so that the separated resin in the silver electrode can be dissolved in the organic solution, the efficient separation of the silver powder and the organic resin is further realized, and the silver powder with relatively high purity is obtained.

The invention relates to a preparation method of a perovskite-TOPCon laminated cell with local silver electrode interconnection, which comprises the following steps: by taking an n-type monocrystalline silicon wafer as a substrate, cleaning and texturing, boron diffusion, high-temperature oxidation, etching and polishing, thin film preparation (a tunneling oxide layer, a polycrystalline silicon layer and a silicon nitride film), and silk-screen printing and sintering to form a back metal electrode and a front local silver electrode interconnection layer; and preparing an ITO contact conductive layer, a hole transport layer, a perovskite layer, a passivation layer, an electron transport layer, an ITO transparent conductive layer and a front metal electrode in sequence to obtain the perovskite-TOPCon laminated cell. According to the invention, the problems of back corrosion risk caused by corrosion of a front silicon nitride film with an HF solution, effective area loss caused by edge cutting, tedious process, poor passivation performance, low conversion efficiency and the like in existing perovskite-TOPCon laminated cell preparation are solved, full-size manufacturing is realized, the process is simplified, the performance is improved, and industrialization is facilitated.

The utility model discloses a silver electrode substrate rocking plate machine, which comprises a rack, a tray embedding plate, a substrate distribution mechanism, a rocking plate mechanism and a discharge pipe, the tray embedding plate is provided with an embedding port for embedding a material tray on the tray embedding plate, the upper surface of the tray embedding plate is provided with a circle of baffle plate around the embedding port, and the lower surface of the tray embedding plate is provided with a plurality of baffle plates. An opening is reserved in the position, located on the front side of the tray embedding plate, of the baffle. And the substrate distributing mechanism is connected to the top of the rack, extends to the top of the tray embedding plate and is used for storing the silver electrode substrate and feeding the silver electrode substrate into a baffle plate enclosed area on the upper surface of the tray embedding plate. According to the utility model, the tray embedding plate is arranged to embed the material tray, the silver electrode substrate is fed into the baffle plate on the upper surface of the tray embedding plate through the substrate distribution mechanism, and then the tray embedding plate is driven to swing through the rocking plate mechanism, so that the silver electrode substrate is shaken into the hole site on the material tray, and manual rocking plate is replaced by equipment; the production efficiency is ensured.

The invention provides a flexible perovskite solar cell with excellent bending performance and a preparation method thereof. 3-methacryloyloxypropyltrimethoxysilane (KH570), formamidine iodide, methylamine bromide, methyl ammonium chloride, spiroOMeTAD, a lithium salt acetonitrile solution and tBP chlorobenzene (CB) are used as raw materials, a perovskite thin film is prepared through a two-step spin-coating deposition method, and a silver electrode is prepared through a thermal evaporation method. The bending resistance of the prepared flexible perovskite solar cell (f-PSCs) is remarkably improved, the performance retention rate is improved from 53% to 90% after 3000 times of bending cycles, and the average photoelectric conversion efficiency of the cell is improved from 18.72% to 21.42%. According to the invention, a new way is opened up for improving the photovoltaic performance and bending resistance of f-PSCs by using the silane oxide coupling agent, and an important technical reference is provided for realizing industrialization of flexible perovskite solar cells.

The application relates to a heating pipe with an insulating coating and a processing method of the insulating coating, which comprises a heat-conducting insulating pipe, a silver electrode fixed on the outer side of the upper end and the lower end of the heat-conducting insulating pipe, an electric heating film coated on the outer side of the heat-conducting insulating pipe, the electric heating film being arranged between the two silver electrodes, the upper side edge and the lower side edge of the electric heating film being respectively in conduction with the two silver electrodes, and the electric heating film and the two silver electrodes being further coated with an insulating coating, the insulating coating being coated and sintered by a mixture of low-temperature glass powder, aluminum oxide powder, acidic aluminum phosphate and water glass; the application prolongs the service life of the electric heating film, greatly improves the thermal shock stability of the electric heating film, simultaneously plays a heat preservation and heat insulation role to improve the thermal efficiency; in addition, a temperature controller can be directly attached on the insulating coating to closely sense the temperature change, so that the response time of the temperature controller is shortened to eliminate the safety hidden danger.