17 results about "Aluminium paste" patented technology

The application provides a solar cell, which comprises a front surface provided with at least one main grid line and a plurality of sub-grid lines arranged at intervals and vertically to the main grid line, and is characterized in that further comprising a back surface provided with a plurality of fine grid lines arranged at intervals and in parallel to the sub-grid lines. The application also provides a double-sided shingle module with the cell structure and a printing screen for printing the back surface structure of the cell. The back surface structure of the application replaces the full back surface covering of the existing back surface with aluminum paste with fine grid lines formed by aluminum paste, which can reduce the amount of aluminum paste in the back surface and improve the output power of the cell module, so that the conversion efficiency of the shingle module can reach 24.48% at most, and the optimal interval and line width of the fine grid lines are provided; and the warping degree of the back surface of the cell after sintering can be kept within the range of 1.1-1.3 mm.

The utility model relates to a water circulation mechanism for aluminum powder paste production, which comprises a water circulation machine main body, the water circulation machine main body comprises a mounting frame, a settling box and a filter box, one side of the settling box is provided with a feed port, a guide block is arranged in the settling box, the bottom of the guide block is provided with a coarse filter plate, and the bottom of the settling box is provided with a first discharge port. A first communicating pipe is arranged between the settling tank and the filter tank, a fine filter plate, a purification plate and an adsorption plate are arranged on the filter tank, a second discharge port is formed in the bottom of the filter tank, a water pump is arranged on one side of the filter tank, and second communicating pipes are arranged between the water pump and the filter tank and between the water pump and the settling tank; a water circulation structure is formed by arranging a settling tank, a first communicating pipe, a filtering tank, a water pump and a second communicating pipe, cyclic utilization of water resources is achieved, a coarse filtering plate is driven to shake in the horizontal direction by arranging a driving motor, an eccentric wheel, a connecting arm and a connecting rod, and filtering of the water resources by the coarse filtering plate is promoted.

The application discloses a low-VOC amino baking paint effect pigment paint composition, which comprises, in percentage by weight, 4.5-7.5 % of aluminum paste, 12.0-16.0 % of thermosetting acrylic resin, 14.0-18.0 % of polyester resin, 8.0-12.0 % of amino resin, 1.0-3.0 % of blocked isocyanate resin, 0.3-0.8 % of cellulose acetate butyrate, 4.5-6.5 % of microgel-acrylic resin polymer, 0.9-1.3 % of anti-settling wax, 0.1-0.4 % of other additives and 38.0-44.0 % of solvent. The spraying body fraction of the effect pigment paint composition is greater than 41 %, the spraying viscosity range is 19.5-21.5 seconds / 20 DEG C * coating 4 cups, the VOC content under the spraying viscosity meets the requirements of GB / T38597-2020 'Low Volatile Organic Compound Content Coating Product Technical Requirements' - VOC content in solvent-based coatings - requirements of the VOC content in automobile original factory coatings (passenger cars) - basecoat - effect pigment paint - limit value (g / L) <580, and the effect pigment paint has good aluminum powder directional effect, gloss, flicker (FF value) and leveling property, and can meet the matching use with liquid single-component varnish and powder varnish at the same time. The application further discloses an effect pigment paint comprising the baking paint composition and a preparation method and application of the effect pigment paint.

The composition for a coating material according to one embodiment of the present disclosure includes an epoxy resin, a curing agent resin, and a diluting solvent, the curing agent resin including two or more types selected from the group consisting of a polyamide resin, an amide adduct resin, a phenolic amine, and a phenolic amide, and the total content of the diluting solvent in the composition for a coating material is 5 to 20 wt%.

The utility model relates to the technical field of ball mills, and discloses a ball mill for aluminum paste production, which comprises a mounting frame, a feeding shaft is rotatably connected in the mounting frame, a barrel body is fixedly connected to the right side of the feeding shaft, an air inlet pipe is fixedly connected to the right side of the barrel body, and a blanking seat is fixedly connected to the outer side of the barrel body. And a discharging plate is slidably connected to the interior of the discharging seat, a driving assembly used for rotating the barrel body is installed on the left side of the installation frame, a feeding pipe is rotatably connected to the interior of the feeding shaft, a sealing seat is fixedly connected to the top end of the feeding pipe, and a long rod is installed in the sealing seat. According to the sealing device, the sealing plate is matched with the sealing strip under the pushing of the connecting rod to seal the interior of the ball mill, so that the barrel body does not need to be opened when aluminum paste is added again, time waste caused by frequent uncovering is avoided, and the working efficiency is improved.

The application relates to the technical field of metal electrodes, and discloses an aluminum electrode and a preparation process and application thereof. The preparation process of the aluminum electrode comprises the following steps: printing aluminum paste, wherein the aluminum paste comprises aluminum powder, a metal compound, an organic phase, an inorganic glass phase and conductive carbon nanomaterial, the inorganic glass phase comprises rare earth oxides; sintering the aluminum paste: placing the aluminum paste in a pre-sintering section at 150-350 DEG C, so that the organic phase is volatilized and decomposed; placing the aluminum paste in a middle sintering section at 350-600 DEG C, so that the inorganic glass phase is softened into a glass body, and a silicon-oxygen protective thin layer is formed on the doped polysilicon after etching and anti-reflection passivation; placing the aluminum paste in a post-sintering section at 600-700 DEG C, so that a metal-based composite carbon nanomaterial layer is formed on the silicon-oxygen protective thin layer, the aluminum powder is gradually dissolved, and the aluminum layer is formed on the metal-based composite carbon nanomaterial layer after cooling. The aluminum paste is not in contact with the doped polysilicon in the sintering process, and the obtained aluminum electrode can greatly reduce the interface metal composite and contact resistance.

The utility model provides a kind of continuous mixer of aerated aluminium paste, belong to aluminium paste mixing machine technical field;Including: mixing tank, the inner chamber rotation of mixing tank is connected with the rotation shaft extending to the outside of mixing tank one end, the outer wall of rotation shaft located one end outside of mixing tank is equipped with bearing body, the outer wall of bearing body is equipped with bearing seat, the bottom of bearing seat is fixedly installed with support frame, one end of the outer wall of mixing tank is fixedly installed with rotating ring, the one end of the outer wall of mixing tank away from rotating ring is fixedly installed with driven gear;The utility model is rotated by asynchronous motor drive shaft, make driving gear rotation drive the driven gear meshed with it to rotate, to make mixing tank rotate, driving shaft is rotated simultaneously and will drive driving pulley to rotate, to drive driven pulley to rotate by transmission belt, driven pulley is rotated and will drive rotation shaft to rotate, to make stirring rod to stir, the direction of stirring rod rotation is opposite with the direction of mixing tank rotation.

The invention provides a manufacturing process of an automobile headrest LOGO capable of emitting light and displaying and having a hiding effect, which comprises the following steps: by taking a light-transmitting skin as a base material, spraying an insulating waterproof varnish and drying after carrying out O and Ar mixed plasma cleaning, corona and prime coat treatment; high-transmittance silver nanowires or PEDOT: PSS composite ink is printed for the first time, a PEDOT: PSS aqueous solution is sprayed for the second time, and a transparent conductive motor is formed; printing inorganic fluorescent powder ink to form a LOGO pattern, performing lamination printing on insulation ink twice to form an insulation layer, printing conductive silver paste / aluminum paste as a back electrode, spraying a SiOx inorganic barrier layer and then covering a UV curing organic buffer layer during packaging, adhering and connecting an FPC film and the electrode by using room temperature curing silver paste, and performing leather cutting, sewing and assembling after testing to finish manufacturing. The functions that the LOGO of the headrest is completely hidden when power is off and the LOGO uniformly emits light when power is on are achieved, meanwhile, the LOGO strength is improved, the insulation and waterproof performance is improved, the service life is prolonged, and the high-end and intelligent production requirements of automobile interiors are met.

The application discloses a preparation method of a directional graphene heat dissipation material for an air compressor cylinder body, and comprises the following steps: S1, carbon fibers are taken, and an oxidized graphene layer is formed on the surface of the carbon fibers through a multistage oxidized graphene microdrop spraying mechanism; S2, high-temperature reduction is performed to form a graphene layer on the surface of the carbon fibers; S3, aluminum paste is sprayed on the surface of the carbon fibers to form an aluminum layer; S4, sintering is performed to form a carbon fiber / graphene / aluminum directional heat dissipation material; S5, the cooled carbon fibers are woven to form a directional heat dissipation core body; and S6, the directional heat dissipation core body is taken as a matrix, and an aluminum liquid is poured and formed into the cylinder body. After the carbon fiber bundle is arranged with multistage directional graphene films through the three-stage oxidized graphene microdrop spraying mechanism, the carbon fiber / graphene / aluminum heat conduction material is prepared, and the three-dimensional directional heat conduction core body is formed after being woven. After the three-dimensional directional heat conduction core body is integrally formed with the cylinder body, the heat conduction coefficient can be increased by more than 5 times. The heat conduction performance of the air compressor cylinder body is greatly improved.

The invention discloses an ultrathin anti-corrosion coating and a preparation method of a coating layer of the ultrathin anti-corrosion coating. The composition mainly comprises a main agent and a curing agent in a mass ratio of 5: 1, the main agent is prepared from the following components in percentage by mass: 10 to 30 percent of epoxy resin, 45 to 52 percent of zinc-aluminum pigment, 0.5 to 5 percent of nano indium oxide, 0.1 to 5 percent of PTFE (Polytetrafluoroethylene) modified PE (Polyethylene), 0.1 to 1 percent of dispersing agent, 0.1 to 1 percent of coupling agent, 0.1 to 1 percent of fumed silica and the balance of organic solvent on the basis that the total weight of the main agent is 100. The zinc-aluminum pigment is a mixed pigment of flaky zinc powder and aluminum paste, or is a zinc-aluminum alloy, and aluminum accounts for 5-11% of the total mass of zinc and aluminum. A coating formed by the coating composition disclosed by the invention is still very excellent in corrosion resistance and cathode protection capability under the condition that the thickness of a finished product dry film is 15-20 microns; the method is especially suitable for the thin coating field.

The application discloses a backflow pipeline for aluminum paste metering and feeding, and relates to the field of pipeline design.The backflow pipeline for aluminum paste metering and feeding comprises, in sequence from the inlet to the outlet, an aluminum paste stirring kettle, an aluminum paste circulating pump, an aluminum paste metering tank and a concrete preparation device, and is connected with the concrete preparation device;feeding valves and cut-off valves are arranged in sequence between the aluminum paste circulating pump and the aluminum paste metering tank;one end of the feeding valve is connected with the aluminum paste circulating pump through a tee joint;the other end of the feeding valve is connected with a backflow valve through the other end of the tee joint;the other end of the backflow valve is connected with the top of the aluminum paste stirring kettle;the pipeline connected in sequence between the aluminum paste stirring kettle, the aluminum paste circulating pump, the feeding valve, the cut-off valve, the aluminum paste metering tank and the concrete preparation device is a feeding pipeline;the pipeline connected in sequence between the aluminum paste stirring kettle, the aluminum paste circulating pump and the backflow valve is a backflow pipeline;the pipeline design is optimized, and linkage control of each component is realized, so that the accuracy of the aluminum paste quality in the aluminum paste metering tank is improved, and the quality of concrete products is improved.

The invention relates to the technical field of aluminum paste impurity filtering, and discloses an aluminum paste impurity filtering device for aluminum powder production, which comprises a filtering frame, the top of the filtering frame is communicated with a feeding frame, the surface of the filtering frame is provided with a discharging hole, the bottom of the filtering frame is communicated with a vertical pipe, and the lower surface of the vertical pipe is communicated with a transmission pipe. A sealing door is hinged to the end, away from the conveying pipe, of the vertical pipe, and a sealing block is fixedly connected to the inner wall of the filtering frame. Screen holes can filter aluminum paste, large particles and impurities in the aluminum paste can remain in a triangular groove frame, the large particles and impurities can flow into the top of a filter plate through a screen hole inclined plate to be accumulated, the aluminum paste can be filtered again through the screen hole inclined plate and the filter plate when flowing, and after the aluminum paste is filtered by the triangular groove frame, the aluminum paste can be separated from the triangular groove frame. An electric push rod is started to push a baffle to move, at the moment, a sieve pore inclined plate and a filter plate can slide in a positioning hole, the filter plate is limited by utilizing the positioning hole, and the stability of the filter plate during movement is improved.

The invention provides a resistor aluminum paste, an electrode and a preparation method thereof, and the resistor aluminum paste comprises the following components: aluminum powder, nickel powder, glass powder, organic resin, an organic solvent and an additive; the electrode comprises an electrode base body and a coating layer located on the surface of the electrode base body, the electrode base body contains a nickel-based compact layer, and the nickel-based compact layer is located between the electrode base body and the coating layer. The problem that the bonding strength between the copper or silver surface layer and the electrode base body is poor is solved, and the performance stability of the electrode is guaranteed.

This application relates to the field of electrode foil technology, and provides aluminum paste, electrode foil, and a method for preparing the electrode foil. The aluminum paste includes aluminum powder, a modified binder, a dispersant, and a solvent. The modified binder includes a binder material grafted with multiple modified groups, wherein the modified groups contain at least one of hydroxyl and carboxyl groups. This application employs a synergistic combination of modified binder and dispersant to reduce the introduction of organic materials into the aluminum paste, thereby improving the uniformity of aluminum powder dispersion and preventing aluminum powder agglomeration, thus improving the capacity and mechanical properties of the electrode foil.

The invention provides glass powder for BC battery fine grid line aluminum paste, a preparation method of the glass powder, the aluminum paste and a BC battery fine grid line, and belongs to the technical field of BC fine grid line paste. The glass powder comprises the following components in parts by mass: 2-3 parts of conductive oxide, and the conductive oxide is at least one of MoO3, In2O3 and SnO2; 2.5-3.5 parts by mass of a rare earth oxide, wherein the rare earth oxide is at least one of La2O3, CeO2 and Al2O3; 30-40 parts by mass of a first component, wherein the first component comprises at least one of Li2O, Na2O, CaO, BaO and SrO; 35 to 45 parts by mass of a second component, wherein the second component comprises at least one of V2O5, SiO2 and B2O3; the third component comprises at least one of PbO and Bi2O3, and accurate regulation and control of the corrosivity and the adaptability of the glass powder are achieved.

This invention discloses the composition and preparation of an aluminum electrode for a positive temperature coefficient thermistor, belonging to the field of chemical preparation. The aluminum electrode paste is composed of near-spherical aluminum powder, lead-free environmentally friendly glass powder, organic binder, and protective additives. By optimizing the lead-free glass component, the surface protective film of the aluminum powder is prevented from being eroded, thus preventing oxidation and detachment. The aluminum electrode is formed on a barium titanate ceramic substrate through screen printing and sintering at 580–630℃, achieving good ohmic contact with the substrate. The electrode is firmly attached, oxidation-resistant, does not detach, has a small resistance change rate, and exhibits superior corrosion resistance and weather resistance compared to traditional lead-containing aluminum paste. It is suitable for mid-to-high-end PTC thermistors and applications in energy storage and new energy sectors. This invention solves the problems of easy detachment and poor reliability of existing lead-free aluminum pastes, significantly improving component lifespan and stability.

A glass powder for N-type silver-aluminum paste comprises a lead-containing compound, a silicon-containing compound, a thallium-containing compound and a zinc-containing compound, wherein the compounding of the thallium-containing compound and the lead-containing compound confers good silver melting capability on the glass powder, and the prepared silver-aluminum paste has good wettability to the surface of a solar cell silicon wafer; the silicon-containing compound provides a more complete network structure for the glass powder; and the zinc-containing compound reduces the softening temperature of the glass powder and further reduces the sintering temperature of the prepared N-type silver-aluminum paste; further comprises a compound containing a first main group metal element, and the compound can react with a zinc-containing compound to further reduce the softening temperature of the glass powder, further reduce the sintering temperature of the prepared N-type silver-aluminum paste and improve the preparation yield of the N-type solar cell.