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 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 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: 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: The photovoltaic module includes at least one cell unit group, where the cell unit group includes multiple cell strings, and adjacent cell strings are connected by a connection structure. The connection structure includes a lead-out structure, which includes a main body portion, a first connecting portion and a second connecting portion that are arranged on the main body portion; the first connecting portion is connected to the second connecting portion, the first connecting portion is disposed in parallel to a length direction of the main body portion, and the second connecting portion extends out of the first connecting portion. In the length direction of the main body portion, the main body portion has a first edge, the second connecting portion is closer to the first edge relative to the first connecting portion, and a distance between the second connecting portion and the first edge ranges from 2 mm to 20 mm.

Abstract: A photovoltaic module and a method for manufacturing the photovoltaic module are provided. The photovoltaic module includes a battery module including multiple cell string groups and multiple first connection structures. Each cell string group includes multiple cell strings arranged along a first direction. Each cell string includes multiple solar cells and multiple second connection structures. Each solar cell includes multiple first grid lines and multiple second grid lines. There is a distance L between a first grid line and a second grid line adjacent to the first grid line in the first direction. A second connection structure connected to an end of a respective middle first connection structure is spaced apart by a distance S in the first direction from an adjacent second connection structure connected to an end of another middle first connection structure adjacent to the respective middle first connection structure and the distance S is greater than the distance L.

Abstract: Provided is a photovoltaic cell and a photovoltaic module. The photovoltaic cell includes a substrate; a passivation layer located on at least one surface of the substrate; at least one busbar and at least one finger intersecting with each other on a surface of the substrate. The busbar is electrically connected to the finger. A quantity of the busbar is 9 to 16, and electrode pads arranged on a surface of the substrate. A quantity of the electrode pads is 3 to 10. The electrode pads include first and second electrode pads. The first electrode pads are located on two ends of the busbar, the second electrode pads are located between the first electrode pads. The first electrode pads each have an area of 0.5 mm2 to 1.8 mm2, and the second electrode pad each have an area of 0.2 mm2 to 0.8 mm2.

Abstract: Provided is a photovoltaic cell and a photovoltaic module. The photovoltaic cell includes a substrate; a passivation layer located on at least one surface of the substrate; at least one busbar and at least one finger intersecting with each other on a surface of the substrate. The busbar is electrically connected to the finger. A quantity of the busbar is 10 to 15, and electrode pads arranged on a surface of the substrate. A quantity of the electrode pads is 4 to 6. The electrode pads include first and second electrode pads. The first electrode pads are located on two ends of the busbar, the second electrode pads are located between the first electrode pads. The first electrode pads each have an area of 0.6 mm2 to 1.3 mm2, and the second electrode pad each have an area of 0.2 mm2 to 0.5 mm2.