Abstract: Provided are a method for preparing a solar cell, a solar cell, and a photovoltaic module. The method for preparing a solar cell includes: performing double-sided texturing on a silicon substrate; performing boron diffusion on the silicon substrate to form a boron diffusion layer and a borosilicate glass layer on both a front side and a back side of the silicon substrate; the front side of the silicon substrate having a first region and a second region, and removing the borosilicate glass layer and the boron diffusion layer in the second region by using laser, wherein wet oxygen and dry oxygen are introduced during the boron diffusion on the silicon substrate with a ratio ? of the wet oxygen to the dry oxygen satisfying 0%<??20%; a density ?1 of the borosilicate glass layer satisfies 1.32 g/cm3<?1?2.65 g/cm3.

Abstract: A solar cell includes a semiconductor substrate including a main light receiving surface and a back surface arranged opposite thereto; a light trapping microstructure arranged on the main light receiving surface, the light trapping microstructure including a plurality of pyramid microstructures; a doped conductive layer located in an upper region of at least part of the pyramid microstructures and spaced apart from a bottom surface of at least part of the pyramid microstructures; a passivation layer located on a surface of the light trapping microstructure; a first electrode, the first electrode at least partially extending through the passivation layer and being in ohmic contact with the doped conductive layer; a back passivation contact structure located on the back surface; and a second electrode, the second electrode being in ohmic contact with the back passivation contact structure.

Abstract: A photovoltaic module, including a cell string including cells, including a substrate including a first side and a second side. The first side includes first and second regions. The first region includes a boron-doped silicon structure. The second side includes third and fourth regions. The third region includes a tunneling oxide layer and a phosphorus-doped conductive layer. The cell includes first and second surfaces, and includes a first electrode on the first surface and a second electrode on the second surface. The first surface of the first cell and the second surface of the second cell are located on a same side. The first electrode of the first cell is connected to the second electrode of the adjacent second cell through a solder strip. The second electrode of the first cell is connected to the first electrode of the adjacent second cell through the solder strip.

Abstract: Provided are a solar cell and a photovoltaic module. The solar cell includes a solar cell body and a light-transmitting layer. The solar cell body includes a substrate and a passivation layer. The passivation layer is located on a side of the solar cell body facing a light-receiving surface. The light-transmitting layer is arranged on a side of the passivation layer away from the substrate. The light-transmitting layer includes an adhesive film layer, light-converting particles, and anti-reflection particles. The light-converting particles and the anti-reflection particles are arranged over the solar cell body through the adhesive film layer. An average diameter of the anti-reflection particles is less than or equal to that of the light-converting particles.

Abstract: The present application relates to a solar cell and a manufacturing method thereof. The solar cell includes a substrate, a first electrode, and a second electrode. A front side of the substrate includes a first region and a second region. The first region has a first pyramid structure. The second region has a second pyramid structure. An apex of the first pyramid structure is higher than an apex of the second pyramid structure. The first region has a first diffusion-doped region. A back side of the substrate includes a third region and a fourth region. A tunnel layer and a doped semiconductor layer are sequentially stacked on a side of the third region away from the substrate. The fourth region has a third pyramid structure.

Abstract: A tour route generation apparatus according to an aspect of the present disclosure is a tour route generation apparatus for generating a tour route of a moving body having demand places where resources supplied by the moving body are demanded and supply places where the resources are supplied to the moving body as visit destinations, the tour route generation apparatus including: a training data generation unit configured to generate training data for training a model for generating the tour route by using generation conditions including conditions for generating information on the demand places and conditions for generating information on the supply places; and a model training unit configured to learn a policy represented by the model through reinforcement learning using the training data.

Abstract: A computer-implemented method for training spatial resampling modules includes: down-sampling, by a down-sampling module, an input image data to generate a down-sampled image data; up-sampling, by an up-sampling module, the down-sampled image data to generate a first up-sampled image data; analyzing, by a plurality of analysis models corresponding to a plurality of tasks, the first up-sampled image data; and training the down-sampling module based on a loss function associated with the plurality of analysis models according to the input image data and the first up-sampled image data.

Abstract: Embodiments of the present disclosure relate to the technical field of photovoltaic, and provide a solar cell and a method for manufacturing the same. The solar cell includes a substrate, and the substrate includes a first surface and a second surface opposite to each other. At least one of the first surface and the second surface is formed as a textured surface including a plurality of pyramidal structures, and side walls of at least some of the plurality of pyramidal structures are formed with pleated portions. One respective pleated portion of the pleated portions has a first length and includes at least one scale-like protrusion within the first length, a side wall including the respective pleated portion has a second length, and a ratio of the first length to the second length is greater than or equal to 0.5.

Abstract: Embodiments herein relate to, for example, a method performed by a radio network node (12) for handling communication in a wireless communication network. The radio network node (12) determines a time correlation coefficient in a channel time correlation function, and then schedules one or more resources for a UE (10) taking the time correlation coefficient into account.

Abstract: A solar cell is provided, including a substrate having a first surface and a second surface, the first surface having a textured structure including protrusion structures, at least one doped semiconductor layer each formed over one of the first surface and the second surface, at least one passivation film each formed on a respective doped semiconductor layer, and electrodes penetrating a respective passivation film to be in electrical contact with the respective doped semiconductor layer. Each doped semiconductor layer has a surface facing away from the substrate and provided with recesses, and each recess has a size that is smaller than a size of any of the protrusion structures. Each passivation film has at least one portion formed in at least one of the recesses, and each electrode has at least one portion formed in at least one of the recesses.

Abstract: A grouping device according to an aspect of the present disclosure is a grouping device that groups targets in work directions when predetermined work is performed and includes a grouping unit that groups the targets on which the work is performed at one time into an identical group by an entity performing the work based on the work direction of the targets.

Abstract: Various embodiments of the present disclosure provide a method for precoder generation. The method which may be performed by a communication device comprises: estimating slot-based channel temporal auto-correlation according to a set of channel estimates of reference signals. In accordance with an exemplary embodiment, the method further comprises: selecting a precoder for a first slot from a set of precoder candidates according to the slot-based channel temporal auto-correlation. The set of precoder candidates may be calculated by using at least part of the set of the channel estimates of the reference signals.

Abstract: Disclosed is a method for manufacturing solar cell. The method includes: providing a solar cell substrate; forming a first initial electrode on the solar cell substrate; and controlling a laser to perform a continuous moving irradiation on the solar cell substrate, and performing a laser-assisted sintering treatment on the first initial electrode to form a first electrode and obtain the solar cell. The number of times the laser is controlled to perform the continuous moving irradiation on the solar cell substrate is at least once. There is a target irradiation process among all continuous moving irradiation processes, in which a moving direction of the laser and a longitudinal extension direction of the first electrode intersect with each other and are perpendicular to a thickness direction of the solar cell substrate.

Abstract: A photovoltaic cell is provided, including a substrate having a front surface with metal pattern regions and a rear surface opposite to the front surface, a diffusion region disposed in a portion of the substrate corresponding to a respective metal pattern region of the plurality of metal pattern regions, a passivation structure disposed on the front surface at the respective metal pattern region, a tunneling layer formed on the rear surface and a doped conductive layer stacked over the tunneling layer. A doping element concentration of the diffusion region is greater than a doping element concentration of the substrate.

Abstract: The embodiments of the present disclosure relate to the field of photovoltaics, and provide a solar cell, a preparing method for the same, and a photovoltaic module, which can at least improve cell efficiency. The solar cell comprises: a substrate having a front surface and a back surface opposite each other; a doped region formed in the front surface of the substrate, where the doped region comprises first doped regions in the front surface corresponding to the metal regions; first electrodes disposed over the substrate corresponding to the metal regions and electrically connected to the first doped regions; a passivation contact structure disposed on the back surface of the metal regions; second electrodes disposed over the passivation contact structure corresponding to the metal regions and electrically connected to the passivation contact structure.

Abstract: The present invention provides an siRNA that inhibits angiopoietin-like 4 (ANGPTL4) gene expression, wherein the siRNA comprises a sense strand and an antisense strand, wherein the antisense strand comprises at least 17 continuous nucleotides that differ by no more than 4 nucleotides from the nucleotide sequences as shown in SEQ ID NO: 143, and the antisense strand is 17 to 30 nucleotides in length; the sense strand is 17 to 30 nucleotides in length and is at least partially complementary to the antisense strand. The siRNA, siRNA conjugate, and pharmaceutical composition provided in the present invention exhibit good stability, ANGPLT4 gene inhibitory activity, and immunostimulation, and can significantly reduce ANGPTL4 protein concentrations at the animal level.

Abstract: A solar cell is provided, including a substrate having a first surface and a second surface, the first surface having a textured structure including protrusion structures, at least one doped semiconductor layer each formed over one of the first surface and the second surface, at least one passivation film each formed on a respective doped semiconductor layer, and electrodes penetrating a respective passivation film to be in electrical contact with the respective doped semiconductor layer. Each doped semiconductor layer has a surface facing away from the substrate and provided with recesses, and each recess has a size that is smaller than a size of any of the protrusion structures. Each passivation film has at least one portion formed in at least one of the recesses, and each electrode has at least one portion formed in at least one of the recesses.

Abstract: There is provided mechanisms for selecting a transmission hypothesis. A method is performed by a terminal device. The method comprises receiving reference signals from at least two transmission and reception points (TRPs). The method comprises selecting, from signal quality measurements on the reference signals, a transmission 5 hypothesis from alternative transmission hypotheses pertaining to which one or more of the TRPs that is to transmit data to the terminal device. Which of the transmission hypotheses to select is affected by an adjustment term. The method comprises reporting an indication of the selected transmission hypothesis to at least one of the at least two TRPs.

Abstract: The present application provides a method for preparing a TOPCON cell and a TOPCON cell. The preparation method includes steps of: double-sided texturing the silicon wafer multiple times. Polysilicon is deposited on the front side, and then phosphorus diffusion is performed to form a doped polysilicon layer and a phosphorosilicate glass; alternatively, the phosphorus diffusion is performed to form the phosphorus diffused layer and the phosphorosilicate glass. Laser grooving is performed to form localized emitters. After third double-sided texturing on the silicon wafer, the double-sided rounding is performed.

Abstract: A method performed by a network node for handling channel feature estimates associated with a radio channel between a User Equipment, UE, and the network node in a wireless communications network is provided. The network node obtains a channel feature estimates associated to the radio channel estimated at a first point in time. Data representing the channel feature estimates has a first size. The network node compresses the channel feature estimates at the first point in time by replacing them with updated channel feature estimates that at the subsequent point in time fulfils a respective threshold condition. The data representing the updated channel feature estimates has a second size. The second size is smaller than the first size. The network node then adjusts parameters for a transmission at the radio channel based on the updated channel feature estimates.