The present disclosure relates to a photovoltaic module and a manufacturing method thereof. The photovoltaic module includes a plurality of solar cells and a plurality of PV ribbons configured to connect the plurality of solar cells; each solar cell includes a cell body, a gridline, a solder pad, an insulating layer, and a conductive adhesive, the gridline is provided on a surface of the cell body, the solder pad and the conductive adhesive are respectively provided on the gridline and are electrically connected to the gridline, the insulating layer covers the gridline and exposes the solder pad and the conductive adhesive, the solder pad and the conductive adhesive are respectively connected to the PV ribbon. By providing the conductive adhesive on the gridline, when the PV ribbon is soldered, the PV ribbon is pre-fixed through the conductive adhesive.

The embodiments of the present disclosure relate to the photovoltaic field and provide a photovoltaic cell and a preparation method thereof, and a photovoltaic module. The photovoltaic cell includes: a substrate having a first surface; a passivation layer located on the first surface, the passivation layer has a groove exposing the first surface, and the passivation layer has a side wall forming the groove; and a grid line extending along a first direction, the grid line is at least partially located in the groove and is in ohmic contact with a part of the first surface exposed by the groove, and a gap is formed between the grid line at least partially located in the groove and the side wall along the first direction. A material of the grid line includes a low-fire-through conductive material.

A photodiode and a manufacturing method thereof are provided. The photodiode includes a light-receiving substrate and a coating layer. The coating layer covers the light-receiving substrate and has at least one surface that is non-parallel to the upper surface of the light-receiving substrate. When an external light signal passes through the coating layer, it will be received and converted into an electrical signal by the light-receiving substrate.

A solar cell includes: a silicon substrate; a first semiconductor layer and a second semiconductor layer provided on the silicon substrate, the first semiconductor layer being doped with an N-type conductive element, and the second semiconductor layer being doped with a P-type conductive element; a first electrode electrically connected to the first semiconductor layer through a plurality of first conductive structures; and a second electrode electrically connected to the second semiconductor layer through a plurality of second conductive structures; wherein a density of the plurality of first conductive structures is greater than a density of the plurality of second conductive structures.

A method for treating a photosensor, in particular for use in an optical measuring system for semiconductor lithography. The photosensor has a sensor surface having a plurality of photosensitive pixels which are designed to convert light into an electrical signal using the internal photoelectric effect. The method comprises the following steps: determining an extent of an image aberration caused by a dark current effect and/or a ghosting effect; irradiating the sensor surface of the photosensor with UV light; and repeating the determination of the extent of the image aberration and the irradiation of the sensor surface until the determined extent of the image aberration falls below a specified level.

The quality of the photosensor is improved by the UV irradiation.

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.

The present disclosure relates to a photovoltaic module and a method for preparing the same. The method includes: printing a grid line paste on a semi-finished solar cell and sintering the grid line paste into a grid line precursor; performing a laser-induced contact treatment to form a metal grid line, and ensuring the metal grid line to extend through a passivation layer to be in a direct contact with a semiconductor layer; forming an enhancing conductive microstructure at a contact interface between the metal grid line and the semiconductor layer; placing an electrical connector on the metal grid line, and pressing the electrical connector, such that the electrical connector and the metal grid line have a conductive contact area; applying an adhesive to the conductive contact area; and laminating.

Described are a solar panel manufacturing method and apparatus. The manufacturing method comprises: placing a first sheet on a glass substrate; arranging a plurality of cell strings on the first sheet placed on the glass substrate; performing an inspection for the arranged plurality of cell strings to detect a defective cell string; replacing the defective cell string with a new cell string when the defective cell string is detected; and joining bus bars for electrically connecting the plurality of cell strings, and sequentially placing a second sheet and a backsheet.

A photoelectric conversion element manufacturing method according to the present disclosure includes: (A) forming a first electrode layer on a gas barrier layer; (B) removing a part of the first electrode layer using a pulsed laser to form a through hole penetrating the first electrode layer and including a plurality of holes partially overlapping each other; (C) forming a light absorbing layer on the first electrode layer and on the gas barrier layer exposed by the through hole; and (D) forming a second electrode layer on the light absorbing layer.

The present disclosure relates to the field of solar cell technologies, and in particular, to a solar cell, a preparation method therefor, and a photovoltaic module. The solar cell is a sliced cell. A cutting surface of the sliced cell has a reflectivity of 10% to 90%, a roughness Ra of less than 1 m, and a roughness Rz of less than 2 m. A passivation layer is deposited on the cutting surface. A preparation method for a solar cell includes: performing non-destructive cutting on the solar cell to obtain a sliced cell; and depositing a passivation layer on an exposed cutting surface of the sliced cell using an atomic layer deposition technology. According to the present disclosure, a cutting damage is repaired by means of passivation, and cutting and passivation processes are also limited, to standardize an optimal matching value between cutting and passivation.