8results about How to "Surface stabilization" patented technology

The invention provides a crystalline silicon solar cell with high conversion efficiency and a preparation process thereof, and belongs to the technical field of solar cell preparation. The preparation process comprises the following steps: pretreating a crystal silicon wafer; preparing a bionic micro-nano composite film; preparing a composite structure on the surface of the silicon wafer; preparing the glass powder doped with the phosphorus-doped graphene; preparing a positive electrode conductive slurry; and preparing the crystalline silicon solar cell. The CuS nanocrystals / quantum dots are deposited on the surface of the bionic micro-nano composite film, the effects of antireflection, passivation and sensitization of the silicon wafer can be achieved, the photoelectric conversion efficiency of the battery is further improved, the CuS nanocrystals / quantum dots are deposited, the absorption range of the silicon wafer to the optical wavelength can be increased, and the photoelectric conversion efficiency of the battery is improved. Meanwhile, one absorbed photon can be converted into a plurality of photon-generated carriers through the CuS quantum effect, and the photoelectric conversion efficiency of the cell is improved.

The invention relates to the technical field of beer production equipment, and discloses beer production fermentation equipment which comprises a supporting mechanism, the supporting mechanism comprises a fermentation bin, a first fixing block is fixedly connected to the outer surface of the bottom of the fermentation bin, and supporting legs are fixedly connected to the outer wall of the bottom of the first fixing block; a discharging pipe is fixedly connected to the outer wall of the bottom of the fermentation bin, a connecting rod is fixedly connected to the outer surface of the discharging pipe in a sleeving mode, when fermentation liquor is stirred in beer production, a first motor drives a first rotating shaft to enable a first fixing frame to rotate in the reverse direction, first stirring blades conduct reverse stirring on the upper end portion of the fermentation liquor accordingly, and therefore the fermentation liquor is stirred in the beer production process. The acting force of the first stirring blade and the second stirring blade can be mutually counteracted to a certain extent, so that the surface of the fermentation liquid is more stable, the generation of foams is reduced, the bacterial contamination risk increased by the foams can be avoided, and the finished product quality of beer can be improved.

The utility model relates to a composite high polymer material head-up display cold light mirror and a mould thereof, the cold light mirror comprises a cold light mirror body and supports, the supports are arranged on the left side and the right side of the cold light mirror body, each support comprises a bottom plate, a side fixing plate and a rotating shaft, the bottom plates are fixed at the bottoms of the left side and the right side of the cold light mirror body, and the side fixing plates are fixed on the rotating shafts. The side fixing plates are fixed to the outer side of the bottom plate and located on the side edges of the left side and the right side of the cold light mirror body respectively, the rotating shafts are fixed to the side edges of the outer sides of the side fixing plates, and the cold light mirror body and the support are integrally formed. The cold light mirror solves the problem that the cold light mirror is difficult to adopt a rotating shaft structure, and the cold light mirror body and the support can be integrally formed.

The invention relates to the technical field of optical glass elements, and discloses an optical glass element compression molding device which comprises a base, a glass outer cover is fixedly connected to the end face of the base, a feeding port is formed in the inner wall of the side, close to the base, of the glass outer cover, and a discharging port is formed in the inner wall of the side, away from the base, of the glass outer cover. An inner shell is fixedly connected to the inner wall of the base, an engine is fixedly connected to the inner wall of the inner shell, and a control rotating rod is arranged on the surface of the side, away from the engine, of the inner shell. When the die-casting device is used, in a forming part, a material needing to be die-cast is placed on a material conveying belt and conveyed into the device through the material conveying belt, at the moment, a rotating rod is controlled to be started to drive a connecting output rod to rotate, the connecting output rod can drive a top die plate to rotate, and the top die plate is made to rotate to be in a horizontal state; the top mold plate can drive an outer auxiliary lifting plate and a pressure sensing plate to operate, and meanwhile, an engine is started to drive an output shaft to rotate.

The application belongs to the technical field of nanometer materials, and discloses a chiral copper sulfide nanometer material and a preparation method and application thereof. The chiral copper sulfide nanometer material takes arginine or histidine as a chiral ligand, has a circular dichroism spectral response peak in an ultraviolet band, a visible light band and a near-infrared band, and presents a significant chiral plasmonic signal in the visible-near-infrared region. The chiral ligand is not only modified on the surface of the copper sulfide nanometer material, but also induces chiral distortion of a copper sulfide surface lattice. Chiral information of the ligand is effectively transmitted to the entire inorganic framework, and a nanometer assembly with a chiral geometric structure is formed. The chiral copper sulfide nanometer material solves the problem that a chiral CuS nanostructure constructed by using an existing chiral ligand has a narrow spectral response range and cannot respond to visible light and a near-infrared band.

The utility model relates to the technical field of preparation electrolyte membrane, especially a kind of extrusion flat plate coating equipment for preparing solid electrolyte membrane, including equipment main body, equipment main body is equipped with slurry supply unit, extrusion coating unit, gauge control system, multistage drying unit and peeling and winding unit, slurry supply unit is set to one side of extrusion coating unit, the screw pump of slurry supply unit is communicated with the coating die of extrusion coating unit, multistage drying unit is set to the discharge side of extrusion coating unit, the gauge probe of gauge control system is set in multistage drying unit inside, peeling and winding unit is set to the discharge side of multistage drying unit.The utility model can realize the continuous, efficient, stable production of solid electrolyte membrane, the prepared membrane piece uniformity, no defect, high density, and excellent mechanical property.

The invention discloses a method for improving the height uniformity of a device grid electrode, and the method comprises the steps: S1, providing a substrate, forming an oxide layer on the surface of the substrate, and forming a plurality of projection structures which are arranged at intervals on the substrate; s2, a grid polycrystalline silicon layer is deposited on the oxide layer, the grid polycrystalline silicon layer is higher than the protruding structure, and a first low-lying area is formed on the surface layer of the grid polycrystalline silicon layer; s3, depositing a silicon nitride layer on the surface of the grid polycrystalline silicon layer, wherein a second low-lying area is formed on the surface layer of the silicon nitride layer; s4, a protection polycrystalline silicon layer is formed on the silicon nitride layer, a third low-lying area is formed on the surface layer of the protection polycrystalline silicon layer, and the third low-lying area is located above the second low-lying area; s5, performing a chemical mechanical grinding process on the protective polycrystalline silicon layer, and stopping the chemical mechanical grinding process on the surface of the silicon nitride layer; and S6, carrying out an etchback process until the thickness of the residual gate polycrystalline silicon layer reaches the target thickness. According to the scheme, the height uniformity of the grid electrode of the device can be improved.

This utility model discloses an online shaping and cooling device for thermal insulation strips used in curtain wall decoration, relating to the field of thermal insulation strip preparation technology. It includes: a base with two supports fixedly installed on its top surface; a box frame fixedly installed between the two supports on the top surface of the base; a cooling groove on the top surface of the box frame; and coolant stored in the cooling groove. By setting up a cooling mechanism, atomizing nozzles, a main traction roller, a driven roller, an ultrasonic generator, and a cooling fan work together to achieve spray pre-cooling of the high-temperature thermal insulation strip. Then, the strip is uniformly tractioned by the main traction roller and the driven roller, ultrasonic cavitation enhances heat exchange, and a brush simultaneously deburrs and dries the strip continuously and in an integrated manner. This significantly extends the effective cooling time, improves cooling uniformity and heat exchange efficiency, and simultaneously completes surface cleaning and drying, ultimately obtaining a curtain wall decorative thermal insulation strip with stable dimensions, a clean surface, and no thermal stress deformation.