The present disclosure relates to a solar cell, a sliced cell and a manufacturing method thereof, a photovoltaic module, and a photovoltaic system. The solar cell includes a substrate, a doped conductive layer, a first passivation film layer, and a first dielectric layer; the doped conductive layer being arranged on a first surface of the substrate; the first passivation film layer and the first dielectric layer being sequentially stacked on a side of the doped conductive layer facing away from the substrate; and the doped conductive layer, the first passivation film layer, and the first dielectric layer all covering the first surface of the substrate; wherein the substrate further includes a plurality of first side surfaces adjacent to the first surface, and the first passivation film layer further covers at least part of surfaces of the plurality of first side surfaces. The solar cell, the photovoltaic module, and the photovoltaic system in the present disclosure can reduce recombination losses at side edges of the solar cell and improve efficiency.

A method for passivating photovoltaic cells includes providing a plurality of photovoltaic cells, each cell including a front face, a rear face and a peripheral edge connecting the front and rear faces, on each cell, forming an insulation element shaped along the perimeter of the cell, the insulation element being formed on the front or rear face, stacking the plurality of cells, the insulation element being positioned between two adjacent cells so that the face of the cell provided with the insulation element is positioned at a distance from the face facing the adjacent cell, and depositing a passivation layer onto the peripheral edge of the cells by injecting a passivation species, the insulation element forming a penetration barrier to the passivation species so that the passivation layer covers the peripheral edge of the cells.

A method for passivating photovoltaic cells includes providing a plurality of cells, each cell including a front face, a rear face and a peripheral edge, each cell being provided with a plurality of first tracks and a plurality of second tracks being parallel, stacking the cells, the plurality of first tracks and the plurality of second tracks of each cell being positioned between the cell concerned and an adjacent cell, and depositing a passivation layer onto the peripheral edge of the cells by injecting a passivation species, the plurality of first tracks and the plurality of second tracks forming a penetration barrier to the passivation species.

The present disclosure relates to the technical field of photovoltaics, and in particular, to a segmented solar cell, a method for forming the same, and a photovoltaic module. The segmented solar cell is formed by cutting a solar cell, and the segmented solar cell includes a substrate and a cutting surface formed by cutting a solar cell to form the segmented solar cell. The cutting surface exposes a cross section of the substrate. At least part of the cutting surface includes a first texture structure, the first texture structure includes polygonal portions, and at least one polygonal portion of the polygonal portions partially overlaps with at least one neighboring polygonal portion of the polygonal portions. According to the present disclosure, it is conducive to at least improving performance of the segmented solar cell and the photovoltaic module.

The application provides a solar cell, a manufacturing method, a photovoltaic device and a photovoltaic system. The solar cell includes a substrate, a doped conducting layer, a first passivation layer, an anti-reflection layer, a passivation contact layer, and a second passivation layer. The substrate includes opposite first and second surfaces, and side surfaces between the first and second surfaces. The doped conducting layer and the first passivation layer are sequentially stacked on the first surface. The anti-reflection layer is stacked on the first passivation layer and covers the first surface to cover the first passivation layer. The passivation contact layer is stacked on the second surface. The second passivation layer is stacked on the passivation contact layer and covers the second surface to cover the passivation contact layer. The anti-reflection layer or the second passivation layer covers at least part of at least one side surface of the substrate.

A solar cell, comprising a silicon cell main body (110), a first transparent conductive oxide layer (120), a second transparent conductive oxide layer (130), an insulating passivation layer (160), and a second electrode (150), wherein the insulating passivation layer (160) covers edges of the back face of the silicon cell main body (110), and at the edges of the back face of the silicon cell main body (110), the second transparent conductive oxide layer (130) and the first transparent conductive oxide layer (120) are arranged spaced apart from each other by means of the insulating passivation layer (160) arranged therebetween.

A solar cell includes a first photoelectric conversion part, a second photoelectric conversion part, a side insulating layer, a first electrode, and a second electrode. The first photoelectric conversion part includes a photoelectric conversion layer composed of a perovskite compound, a first transport layer on one side of the photoelectric conversion layer, and a second transport layer on the other side of the photoelectric conversion layer. The second photoelectric conversion part is arranged below the second transport layer and has a different material or structure from the first photoelectric conversion part. The side insulating layer is formed as a side surface surrounding the first photoelectric conversion part. The first electrode is electrically connected to the first photoelectric conversion part on one surface of the first photoelectric conversion part serving as a light-receiving surface. The second electrode is electrically connected to a bottom of the second photoelectric conversion part.

The present application relates to a solar cell and a method for manufacturing same, a photovoltaic module, and a photovoltaic system. The solar cell includes a substrate, a doped conducting layer, a first passivation layer, a passivating contact layer, and a second passivation layer. At least a first surface and a portion of a first side surface of the substrate include a textured structure. The doped conducting layer is disposed at least on the first surface and the first side surface to cover the textured structure. The first passivation layer is stacked on the doped conducting layer and covers the first surface and the first side surface to cover the doped conducting layer. The passivating contact layer is disposed on a second surface of the substrate. The second passivation layer is stacked on the passivating contact layer and covers the second surface to cover the passivating contact layer.

An exemplary embodiment of the present disclosure is directed to providing a method of recycling GaAs substrates in epitaxial single crystalline CIGS (copper indium gallium selenide) solar cells. The method allows expensive single crystalline GaAs substrates to be recycled in implementing epitaxial single crystalline CIGS solar cells, and thus it is possible to reduce processing costs when commercializing solar cells.

Provided are solar cell, preparation method thereof and photovoltaic module. Solar cell includes: segmented solar cells formed by segmenting same whole solar cell in first direction, whole solar cell has front surface and back surface oppositely arranged in second direction, each segmented solar cell has front sub-surface and back sub-surface oppositely arranged in second direction, front sub-surfaces of two segmented solar cells formed based on same solar cell are partial regions of front surface, and back sub-surfaces of two segmented solar cells formed based on same solar cell are partial regions of back surface; segmented solar cell has segmentation surface formed by segmentation, two angles supplementary to each other are formed between segmentation surface and plane where back sub-surface is located, and one angle is acute angle; and passivation layer at least located on segmentation surface. Present disclosure are beneficial to improving photoelectric conversion efficiency of solar cell including segmented solar cell.