The present disclosure relates to metal oxide barrier films and particularly to methods for depositing high-quality barrier films. Methods are disclosed that are capable of producing thin barrier films with water vapor transmission rates (WVTR) below 0.1 g/(m.sup.2.Math.day) after exposure to extreme temperatures and humidity. Methods are disclosed for making such films on a continuous web.

The invention relates to the use of a coating composition to coat the backing film of a photovoltaic module. The coating composition is a 2-component coating composition comprising a resin component (A) and a crosslinker component (B). The resin component (A) comprises a1) a polyester having a hydroxyl number of 60 to 300 mg KOH/g and a glass transition temperature T.sub.g of 65 C. to 50 C., a2) a poly(meth)acrylate (co)polymer having a hydroxyl number of 50 to 250 mg KOH/g and a glass transition temperature of 65 C. to 50 C., a3) pigments and/or fillers, a4) coating additives, a5) optionally a light stabilizer, a6) a phosphoric ester, and a7) organic solvent.

The crosslinker component (B) comprises b1) a polyisocyanate and b2) optionally organic solvent.

The invention also relates to a corresponding photovoltaic module.

The invention concerns a multilayer biaxially oriented white polyester film (adhesion, absence of chalking, opacity whiteness, reflectance, hydrolysis resistance & light stability) comprising three polyester layers: a core layer and two outer layers and contains TiO.sub.2 particles. In this film: at least one layer comprises a PET whose: number average molecular weight is within [18500-40000]; intrinsic viscosity IV is 0.70 dL/g; and carboxyl group content is 30 eq/T. Additionally, the core layer comprises TiO.sub.2 particles in a range of [0.1-40]% w/w; the intrinsic viscosity IV is between [0.5-0.85] dL/g; a small endothermic peak temperature is between 180-230 C.; and at least one light stabilizer is added in at least one of the outer layers, in a total concentration between [0.1-35]% w/w. The invention also includes the method for manufacturing such film and the laminate which is part of the back sheet of a solar cell.

Roof tile wherein the roof tile comprises a base element and further is comprised a transparent top element, wherein the roof tile comprises a group of solar panel elements, wherein the solar panel elements are comprised between the top element and the base element, under or within the top element, wherein the roof tile comprises a profiled shape section which comprises solar panel elements, wherein the profiled shape section allows for different angles of reception of sun rays within the roof tile, wherein the base element comprises concrete or clay. The disclosure is also related to a roof comprising a plurality of roof tiles, a method for producing a roof tile and to a machine for producing a roof tile.

The present invention relates to a solar cell encapsulant sheet comprising at least one ethylene-based resin selected from the group consisting of an ethylene--olefin copolymer, an ethylene homopolymer and an ethylene-unsaturated ester copolymer, 0.001 parts by mass to 5 parts by mass of at least one compound selected from the group consisting of silicon dioxide and zeolite, and 0.001 parts by mass to 5 parts by mass of a silane coupling agent, relative to 100 parts by mass of the ethylene-based resin respectively.

The present invention is directed to a layer of an electrical device a photovoltaic module comprising at least one photovoltaic element and at least one layer comprising a polypropylene composition and to the use of a polypropylene composition for producing at least one layer of an element of a photovoltaic module.

Various improved approaches to prevent solar cell motion during manufacturing of PV laminates and modules are described herein. Disclosed contactless heating methods comprise positioning a plurality of solar cells on a layer of encapsulant and heating an encapsulant bonding region within the first encapsulant layer to a temperature sufficient to adhere the plurality of solar cells to the superstrate. Compared to some heat-tacking methods and manual taping, the contactless heating methods described herein provide an accurate, high-throughput approach to inhibiting solar cell shifting during PV module manufacture.

A high efficiency configuration for a solar cell module comprises solar cells conductively bonded to each other in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency. The front surface metallization patterns on the solar cells may be configured to enable single step stencil printing, which is facilitated by the overlapping configuration of the solar cells in the super cells. A solar photovoltaic system may comprise two or more such high voltage solar cell modules electrically connected in parallel with each other and to an inverter. Solar cell cleaving tools and solar cell cleaving methods apply a vacuum between bottom surfaces of a solar cell wafer and a curved supporting surface to flex the solar cell wafer against the curved supporting surface and thereby cleave the solar cell wafer along one or more previously prepared scribe lines to provide a plurality of solar cells. An advantage of these cleaving tools and cleaving methods is that they need not require physical contact with the upper surfaces of the solar cell wafer. Solar cells are manufactured with reduced carrier recombination losses at edges of the solar cell, e.g., without cleaved edges that promote carrier recombination. The solar cells may have narrow rectangular geometries and may be advantageously employed in shingled (overlapping) arrangements to form super cells.

An encapsulating material for solar cell containing an ethylene/-olefin copolymer satisfying the following a1) and a2), and a specific peroxyketal having a 1-hour half-life temperature in a range of 100 to 135 degrees centigrade; the peroxyketal being contained in an amount of 0.1 to less than 0.8 weight parts relative to 100 weight parts of the ethylene/-olefin copolymer. a1) the shore A hardness is from 60 to 85 as measured in accordance with ASTM D2240. a2) MFR is from 2 to 50 g/10 minutes as measured under the conditions of a temperature of 190 degrees centigrade and a load of 2.16 kg in accordance with ASTM D1238.

A solar cell module and a method for manufacturing the same are disclosed. The solar cell module includes solar cells each including a semiconductor substrate, and first electrodes and second electrodes extending in a first direction on a surface of the semiconductor substrate, conductive lines extended in a second direction crossing the first direction on the surface of the semiconductor substrate and connected to the first electrodes or the second electrodes through a conductive adhesive, and an insulating adhesive portion extending in the first direction on at least a portion of the surface of the semiconductor substrate, on which the conductive lines are disposed, and fixing the conductive lines to the semiconductor substrate and the first and second electrodes. The insulating adhesive portion is attached up to an upper part and a side of at least a portion of each conductive line.