Abstract: Disclosed is solar cell, a photovoltaic module, and a method for manufacturing a photovoltaic module. The solar cell includes a substrate, first busbars and second busbars arranged on the substrate, first fingers connected to the first busbars, and second fingers connected to the second busbars. The first busbars and the second busbars have opposite polarities. The first fingers have a same polarity as the first busbars, and the second fingers have a same polarity as the second busbars. The substrate is provided with busbar pits. At least part of the first and second busbars are located in the busbar pits. Depths of the busbar pits range from 30 ?m to 50 ?m. Along a thickness direction of the substrate, ratios of the depths of the busbar pits to heights of the first busbars and/or the second busbars range from 10:3 to 6:5.

Abstract: The present disclosure discloses a sound detection method. The method includes: obtaining an initial sound signal and a spatial distribution spectrum of the initial sound signal; segmenting the initial sound signal, to obtain a target sound segment, and obtaining a timestamp corresponding to the target sound segment, the target sound segment including a speech of at least one object, and the timestamp being used for indicating a start time of the target sound segment and an end time of the target sound segment; segmenting the spatial distribution spectrum by using the timestamp, to obtain a spatial distribution spectrum segment corresponding to the target sound segment; and inputting the target sound segment and the spatial distribution spectrum segment into a sound detection model, to obtain a first sound detection result, the first sound detection result being used for describing whether sound of multiple objects exists in the initial sound signal.

Abstract: A method for manufacturing a photovoltaic module and a photovoltaic module are provided. The method includes: laying a front plate, a first adhesive layer on the front plate, and a plurality of cells on the first adhesive layer, and pre-curing the first adhesive layer between the front plate and the plurality of cells; forming a plurality of cell strings by connecting the plurality of cells through a plurality of solder strips after the first adhesive layer is pre-cured; and laying a second adhesive layer on the plurality of cell strings, laying a back plate on the second adhesive layer, and curing the second adhesive layer between the back plate and the plurality of cell strings, to form the photovoltaic module.

Abstract: A solar cell and a photovoltaic module are provided. The solar cell includes a substrate having first edges and second edges; two first main electrodes, where each first main electrode is close to a corresponding first edge and includes a plurality of first sub-connection pads and a first connection wire; and at least two second main electrodes, where the at least two second main electrodes are disposed between the two first main electrodes, where each of the at least two second main electrodes includes a plurality of second sub-connection pads and a second connection wire, where a first pitch between a respective first main electrode and a second main electrode adjacent to the respective first main electrode is not equal to a second pitch between adjacent second main electrodes.

Abstract: A photovoltaic cell and a photovoltaic module. The photovoltaic cell includes a semiconductor substrate, a passivation layer arranged on a surface of the semiconductor substrate, a plurality busbars, and a plurality of electrode pads arranged on the passivation layer. Each of the plurality of electrode pads are electrically connected to an electrode line, and along a thickness direction of the photovoltaic cell, the plurality of electrode pads are arranged on a side of the plurality of busbars facing away from the passivation layer, or arranged on the passivation layer. Along a thickness direction of the photovoltaic cell, a vertical distance between a highest point of the plurality of electrode pads and a surface of the passivation layer is greater than or equal to a vertical distance between a highest point of the plurality of busbars and the surface of the passivation layer.

Abstract: A photovoltaic module includes a plurality of cells, each of the plurality of cells including grid structures spaced apart in a first direction; a plurality of connection components extending along the first direction and spaced apart in a second direction, each of the plurality of connection components being electrically connected to corresponding adjacent cells; a plurality of composite films, each of the plurality of composite films covering a surface of a respective connection component and portions of a surface of a corresponding cell on opposite sides of the respective connection component; an encapsulation layer, covering surfaces of the plurality of composite films; a cover plate, disposed on a side of the encapsulation layer away from the plurality of cells. Each of the plurality of composite films includes a first layer and a second layer, and the first layer is located between the second layer and the respective connection component.

Abstract: A photovoltaic module and a method for manufacturing the photovoltaic module are provided. A respective solar cell has a front surface and a rear surface opposite to the front surface, each of which has a plurality of electrodes formed thereon. Each connection member of the plurality of connection members is configured to connect two adjacent solar cells of the plurality of solar cells and has a first end portion disposed over the front surface of a first solar cell of the two adjacent solar cells and a second end portion disposed over the rear surface of a second solar cell of the two adjacent solar cells. Each encapsulation layer includes a first encapsulation sub-layer and a second encapsulation sub-layer, where flowability of the first encapsulation sub-layer is smaller than flowability of the second encapsulation sub-layer.

Abstract: A solar cell and a photovoltaic module are provided. The solar cell includes a substrate having first edges and second edges; two first main electrodes, where each first main electrode is close to a corresponding first edge and includes a plurality of first sub-connection pads and a first connection wire; and at least two second main electrodes, where the at least two second main electrodes are disposed between the two first main electrodes, where each of the at least two second main electrodes includes a plurality of second sub-connection pads and a second connection wire, where a first pitch between a respective first main electrode and a second main electrode adjacent to the respective first main electrode is not equal to a second pitch between adjacent second main electrodes.

Abstract: The photovoltaic module includes: a solar cell sheet, where a surface of the solar cell sheet is provided with multiple grid line structures spaced along a first direction; multiple connecting portions spaced along a second direction, where each of the multiple connecting portions is arranged on the surface of the solar cell sheet and is in electrical contact with at least one of the multiple grid line structures; each of the multiple connecting portions includes a body portion, a first portion and a second portion, the first portion is located on the surface of the solar cell sheet and is alloyed with the at least one of the multiple grid line structures, and an outer profile of the second portion away from the body portion has the same shape with an inner profile of the second portion.

Abstract: A first surface of the solar cell has multiple first electrodes and multiple second electrodes staggered in an interdigitated pattern. Each of the multiple first electrodes has a first busbar and multiple first fingers, and each of the multiple second electrodes has a second busbar and multiple second fingers extending along the second direct. A first welding point is defined on the first busbar, and a second welding point is defined on the second busbar. The solar cell further includes multiple insulation structures. Each of the multiple insulation structures extends to cover ends of the multiple first fingers. A window is opened on a projection of at least one of the first busbar and the first welding point on a respective insulation structure, and/or a window is opened on a projection of at least one of the second busbar and the second welding point on the respective insulation structure.

Abstract: A method for manufacturing a photovoltaic module and a photovoltaic module are provided. The method includes: laying a front plate, a first adhesive layer on the front plate, and a plurality of cells on the first adhesive layer, and pre-curing the first adhesive layer between the front plate and the plurality of cells; forming a plurality of cell strings by connecting the plurality of cells through a plurality of solder strips after the first adhesive layer is pre-cured; and laying a second adhesive layer on the plurality of cell strings, laying a back plate on the second adhesive layer, and curing the second adhesive layer between the back plate and the plurality of cell strings, to form the photovoltaic module.

Abstract: Embodiments of the present disclosure disclose a system for processing an image. The system comprises at least one storage device including a set of instructions; and at least one processor configured to communicate with the at least one storage device, wherein when executing the set of instructions, the at least one processor is configured to direct the system to perform operations including: obtaining an image; obtaining a first image feature by performing a feature extraction operation on the image; obtaining a down-sampled image by down-sampling the image; obtaining a second image feature by performing a feature extraction operation on the down-sampled image; obtaining, based on the first image feature and the second image feature, a target feature; and performing a segmentation operation on the image based on the target feature.

Abstract: A solar cell and a photovoltaic module are provided. The solar cell includes a substrate having first edges and second edges; two first main electrodes, where each first main electrode is close to a corresponding first edge and includes a plurality of first sub-connection pads and a first connection wire; and at least two second main electrodes, where the at least two second main electrodes are disposed between the two first main electrodes, where each of the at least two second main electrodes includes a plurality of second sub-connection pads and a second connection wire, where a first pitch between a respective first main electrode and a second main electrode adjacent to the respective first main electrode is not equal to a second pitch between adjacent second main electrodes.

Abstract: A method for manufacturing a photovoltaic module. The method includes: providing front packaging structure, photovoltaic cell, and back sheet, the front packaging structure including cover plate and packaging layer; forming insulating layer and through holes on surface of at least one side of the photovoltaic cell, so that the through holes correspond to electrode lines; forming conductive layer on the back sheet; applying conductive adhesive in the through holes and/or on the conductive layer; connecting the back sheet to the photovoltaic cell so that the insulating layer fits the conductive layer and the conductive adhesive electrically connects the electrode lines and the conductive layer through the through holes; forming the packaging layer on side of the photovoltaic cell; arranging the cover plate on side of the packaging layer; and laminating the cover plate, the packaging layer, the photovoltaic cell, and the back sheet to form the photovoltaic module.

Abstract: The present disclosure discloses a solar module, including solar cells and electrode lines. Each of the solar cells includes a solar cell substrate and a plurality of busbars located on one side of the solar cell substrate. Each of the electrode lines has one end connected to the busbar on a front surface of one solar cell, and the other end connected to the busbar on a rear surface of another solar cell adjacent to the one cell sheet. First electrode pads are provided at each busbar, a number of the first electrode pads ranges from 6 to 12. A relation between a diameter of the electrode line and a number of busbars is 2.987x?1.144?1.9<y<3.2742x?1.134+1.7, where x denotes the diameter of the electrode line, and y denotes the number of busbars.

Abstract: The photovoltaic module includes at least one cell string, including multiple solar cell sheets, and adjacent solar cell sheets in the multiple solar cell sheets are connected to each other by multiple welding strips. In some embodiments, the photovoltaic module further includes multiple welding strips, where each of the multiple welding strips is in electrical contact with a corresponding bus bar, each of the multiple welding strips includes multiple bending portions arranged continuously along a second direction. In addition, along the second direction, an orthographic projection of a central line of each of the multiple welding strips on a back surface of the solar cell sheet coincides with an orthographic projection of a central line of the corresponding bus bar and/or an orthographic projection of a central line of each of the multiple bonding pads on the corresponding bus bar on the back surface of the solar cell sheet.

Abstract: Disclosed is solar cell, a photovoltaic module, and a method for manufacturing a photovoltaic module. The solar cell includes a substrate, first busbars and second busbars arranged on the substrate, first fingers connected to the first busbars, and second fingers connected to the second busbars. The first busbars and the second busbars have opposite polarities. The first fingers have a same polarity as the first busbars, and the second fingers have a same polarity as the second busbars. The substrate is provided with busbar pits. At least part of the first and second busbars are located in the busbar pits. Depths of the busbar pits range from 30 ?m to 50 ?m. Along a thickness direction of the substrate, ratios of the depths of the busbar pits to heights of the first busbars and/or the second busbars range from 10:3 to 6:5.

Abstract: A solar cell and a photovoltaic module are provided. The solar cell includes a substrate having a front side and a back side, a plurality of front main busbars and a plurality of front finger electrodes, each front finger electrode being electrically connected with the plurality of front main busbars, the number of the plurality of front main busbars is 6 to 20, and a plurality of back main busbars and a plurality of back finger electrodes, each back finger electrode is electrically connected with the plurality of back main busbars, the number of the plurality of the back main busbars is 6 to 20. For each of at least one of the plurality of front main busbars, the front main busbar has 4 to 10 first solder pads.

Abstract: A back-contact photovoltaic module and a manufacturing method thereof. The back-contact photovoltaic module includes a glass substrate, an upper adhesive film layer, a solar cell layer, a lower adhesive film layer, and a back sheet arranged in sequence from top to bottom. The solar cell layer includes a plurality of back-contact solar cells, and each of the plurality of back-contact solar cells comprises a front surface provided with a transparent support layer. The transparent support layer protrudes from a corresponding front surface, and the transparent support layer covers a partial region of the corresponding front surface. Accordingly, the front surface of each of the plurality of back-contact solar cells can be protected, and the risk of scratches to the back-contact photovoltaic module reduced.

Abstract: The photovoltaic module includes at least one cell string, including multiple solar cell sheets, and adjacent solar cell sheets in the multiple solar cell sheets are connected to each other by multiple welding strips. In some embodiments, the photovoltaic module further includes multiple welding strips, where each of the multiple welding strips is in electrical contact with a corresponding bus bar, each of the multiple welding strips includes multiple bending portions arranged continuously along a second direction. In addition, along the second direction, an orthographic projection of a central line of each of the multiple welding strips on a back surface of the solar cell sheet coincides with an orthographic projection of a central line of the corresponding bus bar and/or an orthographic projection of a central line of each of the multiple bonding pads on the corresponding bus bar on the back surface of the solar cell sheet.