Abstract: The disclosure discloses a photovoltaic cell assembly, a photovoltaic cell array, and a solar cell assembly.

Abstract: A solar cell array comprises a plurality of cells, adjacent cells connected by a metal wire. At least one metal wire extends reciprocally between a surface of a first cell and a surface of a second cell adjacent to the first cell to form a plurality of conductive wires. The number of the conductive wires is n, y?y×20%?n?y+y×20%, in which n is an integer and y=4.0533X?1.28/1562*A*B, in which X is a diameter value of the metal wire with mm as a unit, 0.1?X?0.5, A and B representing length and width of the cell with mm as the unit. The cells comprise secondary grid lines disposed on front surfaces thereof. The conductive wires are welded with the secondary grid lines by a welding layer.

Abstract: The present disclosure provides a solar cell assembly, comprising a front plate, a front glue film layer, a cell piece array, a back glue film layer and a back plate which are sequentially stacked, wherein the front plate comprises glass, a side, deviating from the cell piece array, of the glass is provided with one or more light scattering units, and each light scattering unit is of a sunken structure formed when the side, deviating from the cell piece array, of the glass is sunken inwards towards a side, adjacent to the cell piece array, of the glass. The present disclosure provides that the light scattering unit is not needed to correspond to a non-gate line portion of a cell piece, a requirement for type correspondence of the glass and the cell piece is not high, it is guaranteed that a whole silicon wafer can utilize incident light rays very well, a light receiving area of the glass is increased, assembly power is improved, and assembly installing cost is lowered.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a secondary grid line disposed on a front surface of the cell substrate. The solar cell unit also comprises a conductive wire intersecting and welded with the secondary grid line. The secondary grid line has a width in a welding position with the conductive wire greater than a width thereof in a non-welding position.

Abstract: The disclosure discloses a photovoltaic cell assembly, a photovoltaic cell array, and a solar cell assembly.

Abstract: The disclosure discloses a photovoltaic cell, a photovoltaic cell array, a solar cell, and a method for preparing a photovoltaic cell. The photovoltaic cell includes: a silicon wafer, a gate line layer, a side electrode, a first electrode, a back electrical layer, and a second electrode. The silicon wafer includes a silicon substrate, a front diffusion layer, a side division layer, and a back division layer. At least a part of at least one of the side division layer and the back division layer is a diffusion layer whose type is the same as that of the front diffusion layer. The gate line layer is disposed on the front diffusion layer. The side electrode is disposed on the side division layer and is electrically connected to the gate line layer. The first electrode is disposed on the back division layer and is electrically connected to the side electrode. The back electrical layer and the second electrode are both disposed on a back surface of the silicon wafer.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The secondary grid line comprises a welding portion. At least one welding portion of the edge secondary grid line has a projection area in the cell substrate larger than a welding portion of the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other and welded with the secondary grid lines in the welding portion.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The secondary grid line comprises a welding portion. At least one welding portion of the edge secondary grid line has a projection area in the cell substrate larger than a welding portion of the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other and welded with the secondary grid lines in the welding portion.

Abstract: A double-glass photovoltaic cell module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second encapsulation layer, and a second glass layer that are sequentially disposed in a laminated manner, where outer edges of the first glass layer and the second glass layer exceed an outer edge of the cell group layer; a reflecting coating provided on the second glass layer; an end part sealing block, disposed between the first glass layer and the second glass layer, and located at peripheries of the first encapsulation layer, the cell group layer, and the second encapsulation layer; a frame, encapsulated at a periphery of the body and having a notch; and a connection box, disposed at the notch.

Abstract: A double-glass photovoltaic module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second encapsulation layer, and a second glass layer that are sequentially disposed in a laminated manner, the cell group layer extracts a current by using a bus bar, and the bus bar is led out between the first glass layer and the second glass layer and from an edge of the body; a frame, encapsulated at a periphery of the body by a sealant and having a notch; and a connection box, disposed at the notch, and sealed and connected to the body the frame, and the bus bar is electrically connected to the connection box.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The at least one edge secondary grid line has a width greater than the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other. The plurality of conductive wires intersects and is connected with the secondary grid lines.

Abstract: A photovoltaic cell module includes: a transparent upper cover plate, a first polyolefin encapsulation layer, a cell group layer, a second polyolefin encapsulation layer, and a backplane that are sequentially disposed in a laminated manner, where outer edges of the transparent upper cover plate and the backplane exceed outer edges of the first polyolefin encapsulation layer, the cell group layer, and the second polyolefin encapsulation layer, an end part sealing block is further disposed between the transparent upper cover plate and the backplane, and the end part sealing block is located at peripheries of the first polyolefin encapsulation layer, the cell group layer, and the second polyolefin encapsulation layer.

Abstract: A photovoltaic cell module includes: a transparent upper cover plate, a first polyolefin encapsulation layer, a cell group layer, a second polyolefin encapsulation layer, and a backplane that are sequentially disposed in a laminated manner, where outer edges of the transparent upper cover plate and the backplane exceed outer edges of the first polyolefin encapsulation layer, the cell group layer, and the second polyolefin encapsulation layer, an end part sealing block is further disposed between the transparent upper cover plate and the backplane, and the end part sealing block is located at peripheries of the first polyolefin encapsulation layer, the cell group layer, and the second polyolefin encapsulation layer.

Abstract: A photovoltaic cell module includes: a transparent upper cover plate, a first liquid silica-gel encapsulation layer, a cell group layer, a second liquid silica-gel encapsulation layer, and a backplane that are sequentially disposed in a laminated manner, where outer edges of the transparent upper cover plate and the backplane exceed outer edges of the first liquid silica-gel encapsulation layer, the cell group layer, and the second liquid silica-gel encapsulation layer, an end part sealing block is further disposed between the transparent upper cover plate and the backplane, and the end part sealing block is located at peripheries of the first liquid silica-gel encapsulation layer, the cell group layer, and the second liquid silica-gel encapsulation layer.

Abstract: A double-glass photovoltaic cell module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second encapsulation layer, and a second glass layer that are sequentially disposed in a laminated manner, where outer edges of the first glass layer and the second glass layer exceed an outer edge of the cell group layer; a reflecting coating provided on the second glass layer; an end part sealing block, disposed between the first glass layer and the second glass layer, and located at peripheries of the first encapsulation layer, the cell group layer, and the second encapsulation layer; a frame, encapsulated at a periphery of the body and having a notch; and a connection box, disposed at the notch.

Abstract: A double-glass photovoltaic module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second encapsulation layer, and a second glass layer that are sequentially disposed in a laminated manner, the cell group layer extracts a current by using a bus bar, and the bus bar is led out between the first glass layer and the second glass layer and from an edge of the body; a frame, encapsulated at a periphery of the body by a sealant and having a notch; and a connection box, disposed at the notch, and sealed and connected to the body the frame, and the bus bar is electrically connected to the connection box.

Abstract: A solar cell module comprises an upper glass plate, a front adhesive layer, a solar cell array, a back adhesive layer and a back plate superposed in sequence. The solar cell array comprises a plurality of cells, adjacent cells connected by a metal wire. At least one metal wire extends reciprocally between a surface of a first cell and a surface of a second cell adjacent to the first cell to form at least two conductive wires. The cells comprise secondary grid lines disposed on front surfaces thereof. The conductive wires are being welded with the secondary grid lines. At least one of the front adhesive layer and the back adhesive layer has a thickness of larger than or equal to the metal wire in a direction perpendicular to the cell, and smaller than 400 ?m.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The secondary grid line comprises a welding portion. At least one welding portion of the edge secondary grid line has a projection area in the cell substrate larger than a welding portion of the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other and welded with the secondary grid lines in the welding portion.

Abstract: A solar cell array comprises a plurality of solar cells and a metal wire disposed on adjacent solar cells. The metal wire extends between a surface of a first cell and a surface of a second cell adjacent to the first cell in a serpentine pattern of at least two passes on each cell. The solar cell array also comprises a plurality of secondary grid lines disposed on front surfaces of each cell and welded with the at least two passes.

Abstract: In one aspect, a solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other. The plurality of conductive wires intersects and is connected with the secondary grid lines. At least one secondary grid line has at least one gap located between adjacent conductive wires.