A photovoltaic module includes a solar cell module including multiple solar cells, and first and second conductive lines connected respectively to first and second solar cells among the solar cells, and a junction box attached to the solar cell module. The junction box includes a power conversion unit including a capacitor unit located between the first and second conductive lines, a converter unit to change the level of a DC voltage at opposite ends of the capacitor unit and to output the DC voltage, and a controller to control the converter unit. When shading occurs in some of the solar cells, the power conversion unit supplies a second current, the level of which is lower than the level of a first current supplied before shading occurs, whereby the possibility of generation of a hot spot may be reduced despite the absence of bypass diodes when shading occurs.

Disclosed is a photovoltaic power generation module having a single layer structure in which a pattern glass and a solar cell module are integrated. The disclosed photovoltaic power generation module comprises: a pattern glass comprising a base member, and a pattern member provided thereon in which an optical pattern is formed; a solar cell module provided with a solar cell; a plurality of supportive adhering parts in a pillar shape adhered to the pattern member; and a filler filled between the supportive adhering part and the solar cell module, wherein the pattern glass and the solar cell module are integrated through the supportive adhering parts and the filler, and the height of the supportive adhering parts are configured to be greater than the height of the pattern member so that a gap for forming an air layer between the pattern member and the filler can be provided.

The present invention relates to the use of a radiation-hardenable resin composition for producing solar laminates, a method for creating a solar laminate using the resin composition according to the invention, and a solar laminate that can be produced using this method.

The invention provides a dual-initiated and fast cross-linked EVA (ethylene/vinyl acetate copolymer) film for the encapsulation of solar modules, which greatly enhances the speed of the encapsulation. The EVA film is mainly prepared from the following raw materials: 100 parts by mass of ethylene/vinyl acetate copolymer, 0.01 to 1.5 parts by mass of a free-radical photoinitiator, 0.01 to 1.5 parts by mass of a free-radical thermal initiator, 0.5 to 10 parts by mass of an auxiliary cross-linking agent, 0.1 to 5 parts by mass of a tackifier and 0.01 to 5 parts by mass of a light stabilizer. The present invention adds photothermal dual-initiated free-radical initiators and the auxiliary cross-linking agent of multi-functional acrylates or methacrylates to the EVA and use a thermal-UV dual curing process to prepare the solar module. The curing time is shorten to 5 to 10 min and the yield is high; meanwhile, the EVA film has advantages of uniform curing, high crosslink density, high bonding strength between the film and glass, and good anti-aging property.

A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape.

The encapsulating material for solar cell is an encapsulating material for solar cell including an ethylene/α-olefin copolymer and an organic peroxide having a one-minute half-life temperature in a range of 100° C. to 170° C. In addition, the complex viscosity of the encapsulating material for solar cell has the minimum value (η.sup.*1) of the complex viscosity at a temperature in a range of 100° C. to lower than 135° C., the minimum value (η.sup.*1) of the complex viscosity is in a range of 6.0×10.sup.3 Pa.Math.s to 4.0×10.sup.4 Pa.Math.s, the complex viscosity (η.sup.*2) of the encapsulating material for solar cell at 150° C. is in a range of 2.0×10.sup.4 Pa.Math.s to 1.0×10.sup.5 Pa.Math.s, and the content of the organic peroxide in the encapsulating material for solar cell is in a range of 0.1 parts by weight to 3 parts by weight with respect to 100 parts by weight of the ethylene/α-olefin copolymer.

Provided are a encapsulant composition that is for solar cells and can reduce the time required for a lamination process and improve light stability and resistance to moisture and heat, and a solar cell encapsulant layer and a solar cell module, each produced with the composition, wherein the composition includes an ethylenic copolymer and an organic peroxide having a peroxyester structure represented by formula (1) or (2)

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wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each independently represent an optionally substituted alkyl group of 1 to 18 carbon atoms or an optionally substituted aryl group of 5 to 18 carbon atoms.

A solar panel module including a cover, a back plate, at least two solar panels, and at least a dark insulating layer is provided. The solar panels are configured between the cover and the back plate and arranged along a direction. There is a separating gap of a width arranged between the two adjacent solar panels. In addition, the dark insulating layer is disposed in the separating gap.

A condensation curable gel composition is disclosed. The composition comprises: (i) at least one condensation curable silyl terminated polymer having at least one hydrolysable and/or hydroxyl functional group(s) per molecule; (ii) a cross-linker selected from the group of a silicone, an organic polymer, a monosilane or a disilane molecule which contains at least two hydrolysable groups per molecule; and (iii) a condensation catalyst selected from the group of titanates, zirconates or tin (II). The molar ratio of hydroxyl and/or hydrolysable groups in polymer (i) to hydrolysable groups from component (ii) is between 0.5:1 and 1:1 using a monosilane cross-linker or 0.75:1 to 3:1 using disilanes. The titanates and zirconates comprise M-OR functions where M is titanium or zirconium and R is an aliphatic hydrocarbon group. The molar ratio of M-OR or tin (II) functions to the hydroxyl and/or hydrolysable groups in polymer (i) is comprised between 0.01:1 and 0.5:1.

Provided is a composite encapsulating material and a photovoltaic module encapsulated with the composite encapsulating material, which relate to the technical field of photovoltaic modules. At least a partial area of the composite encapsulating material includes a high insulation material, and the high insulation material includes polyimide, modifier and modified polyimide. The above technical solution can improve an insulation performance of the encapsulating material, reduce a blank area of an edge of the module, reduce a weight of the photovoltaic module, and further reduce comprehensive cost of the photovoltaic module.