To provide a sealing material sheet for a solar-cell module that has high productivity without performing crosslinking processing, and has a high tensile shear adhesion force at normal temperature at a high level in addition to heat resistance and molding characteristics. A sealing material sheet is a multi-layer sheet using a polyethylene-based resin as a base resin, a core layer has a density of 0.880 g/cm.sup.3 to 0.895 g/cm.sup.3 and a melting point of 70° C. or higher, a skin layer has a density of 0.880 g/cm.sup.3 to 0.910 g/cm.sup.3 and a melting point of 90° C. or lower and contains a silane-modified polyethylene-based resin, a weight average molecular weight of the silane-modified polyethylene-based resin contained in the skin layer 11 in terms of polystyrene is 70000 to 120000, and a polymerized silane amount of the skin layer in the whole resin component is 300 ppm to 2000 ppm.

Described herein is a photovoltaic module, which includes PV cells capable of converting light incoming from a front side and from a rear side (3) and a transparent rear side including a rear surface carrying a structured layer (9), where the lower surface of the structured layer (9) is the lower surface of the module, and where the surface of layer (9) is structured by parallel V-shaped grooves of depth h2 or less than h2, where the lateral faces of the grooves of depth less than h2 form a groove angle beta and adjacent faces of neighbouring grooves form a peak of apex angle alpha, characterized in that h2 is from the range 5 to 200 micrometer, and each pair of neighbouring grooves includes one groove of depth h2 and one groove of depth (h2−h1), where h1 ranges from 0.1 h2 to 0.9 h2.

In a solar power generator, a plurality of first solar cell strings (51) are formed in a way that, in each first solar cell string (51), two or more first solar cells (41) are connected in series and disposed in descending order of potential, with an end narrower in width facing one end (E1) in a first direction (D1), from another end (E2) in the first direction (D1). A plurality of second solar cell strings (52) are formed in a way that, in each second solar cell string (52), two or more second solar cells (42) are connected in series and disposed in descending order of potential, with an end wider in width facing the one end (E1) in the first direction (D1), from the another end (E2) in the first direction (D1). Each of the plurality of first solar cell strings (51) and each of the plurality of second solar cell strings (52) are aligned alternately along the second direction (D2) that is orthogonal to the first direction (D1).

At least one solar cell is mounted to a flexible substrate using an adhesive, wherein: the flexible substrate includes at least one insulating layer and at least one conductive layer patterned on the insulating layer as one or more traces for making electrical connections with the solar cell; the traces on the flexible substrate are unencapsulated and at least some of the traces remain exposed after the solar cell is mounted to the flexible substrate; the solar cell is positioned above the traces on the flexible substrate; and a backside metal layer of the solar cell does not make contact to the traces on the flexible substrate when the solar cell is mounted on the flexible substrate. The result is a rollable solar array or panel having a reduced stress energy and a reduced minimum rolling radius as compared to a baseline solar cell mounted to a baseline flexible substrate.

A bifacial solar module with enhanced power output including first and second transparent support layers, a plurality of electrically interconnected bifacial solar cells arranged between the transparent support layers with gaps between one or more of the interconnected solar cells and edges of the first and second transparent support layers, the bifacial solar cells having a first side directly exposed to solar radiation and a second side opposite the first. The bifacial solar module further includes one or more micro-structured reflective tapes positioned coincidentally with the gaps and attached to a surface of the second support layer such that light passing through the second support layer is reflected back into the second support layer at angles such that light reflecting from the tape is absorbed by either the first or second side of the bifacial solar cells.

A process for the preparation of colored solar cells or colored solar cell modules containing a colored polymer film with oriented effect pigments, and colored solar cells or colored solar cell modules prepared by this process.

A process for the preparation of colored solar cells or colored solar cell modules containing a colored polymer film with oriented effect pigments, and colored solar cells or colored solar cell modules prepared by this process.

A system includes a plurality of photovoltaic modules, each having at least one solar cell, an encapsulant encapsulating the solar cell, a frontsheet, and a backsheet. The encapsulant and the frontsheet are transparent. The backsheet includes a first section and a second section juxtaposed with the first section. The first section is transparent and the second section is non-transparent. A first end of the frontsheet, a first end of the encapsulant, and the first section of the backsheet form a transparent portion. A first photovoltaic module overlays at least a portion of a second photovoltaic module. The transparent portion of the first photovoltaic module overlays at least a portion of the at least one solar cell of the second photovoltaic module.

This application provides a connection mechanical part of a photovoltaic module. The connection mechanical part includes: a first connection assembly and a second connection assembly, wherein the first connection assembly and the second connection assembly each include a connection part, a mounting part and a hinge mounting part between the connection part and the mounting part; the first connection assembly and the second connection assembly are hinge-connected to each other by using their respective hinge mounting parts; the connection part of the first connection assembly is disposed opposite to the connection part of the second connection assembly; and a tensioning device is further disposed between the first connection assembly and the second connection assembly, where the connection parts of the first connection assembly and the second connection assembly are attached or detached by adjusting the tensioning device, to connect the connection mechanical part to the photovoltaic module.

This specification describes automated reel processes for producing solar modules and solar module reels. In some examples, a method includes receiving a continuous feed of photovoltaic devices on a photovoltaic device sheet. The method includes locating and bypassing one or more defective photovoltaic devices on the photovoltaic device sheet. The method includes installing bussing for the photovoltaic devices on the photovoltaic device sheet. The method includes feeding the photovoltaic device sheet to an encapsulation system to output a photovoltaic module sheet.