H01L31/0481

FILM AND ELECTRONIC DEVICE COMPRISING SAME
20230103244 · 2023-03-30 ·

Provided are a film and an electric device comprising the same. The film comprises at least one modified polyolefin resin layer. A resin forming the modified polyolefin resin layer comprises 1-100% of modified polyolefin resin. A main chain in the modified polyolefin resin is an ethylene-α-olefin copolymer. A grafted branched chain in the modified polyolefin resin is selected from a compound formed by a vinyl monomer comprising one or more of anhydride group, hydroxyl, ester group, carbonyl, acylamino, pyridyl, epoxy, pyrrolidonyl and glycidyl. A molecular weight of the grafted branched chain is 150-8000 g/mol. The film prepared from the modified POE layer with the main chain and the grafted branched chain has excellent anti-PID performance. The layers have a better adhesive property without a laminated interface therebetween. The co-extruded film further has an excellent water vapor barrier property, a relatively high insulating property and a relatively high light transmittance.

SEALING MATERIAL SHEET FOR SOLAR-CELL MODULE AND SOLAR-CELL MODULE USING THE SAME

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.

ENERGY HARVESTING VEHICLE

An energy harvesting vehicle includes multiple vehicle body parts and at least one solar module. Solar cells constituting at least one solar module are positioned in a section of at least one of the vehicle body parts. A pair of electrical connections of the solar cells and a protective layer of a predetermined thickness formed on a top surface of the solar cells are positioned in the section. Such a resin molded integration of a solar module to a vehicle body part allows for the installation of the solar module with non-flexible solar cells, even on non-flat surfaces or uneven surfaces.

Solar cell and method for manufacturing the same, and solar cell panel

Discussed is a solar cell including a semiconductor substrate, a conductive region disposed in the semiconductor substrate or over the semiconductor substrate, and an electrode electrically connected to the conductive region. The electrode includes a first electrode part and a second electrode part disposed over the first electrode part. The second electrode part includes a particle connection layer formed by connecting a plurality of particles including a first metal and a cover layer including a second metal different from the first metal and covering at least the outside surface of the particle connection layer.

LIGHTWEIGHT FLEXIBLE SOLAR ARRAY
20230097056 · 2023-03-30 · ·

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.

METHOD FOR MANUFACTURING A PHOTOVOLTAIC MODULE WITH PARTIAL CROSSLINKING AND LAMINATION

The main object of the invention is a method for manufacturing a photovoltaic module, comprising at least one photovoltaic cell (4) between a first transparent layer (1) forming a front face and a second layer (2) forming a rear face, characterised in that it includes: 1) a first step of depositing a first adhesive layer based on a crosslinkable polymer material over the first layer (1) and depositing a second adhesive layer based on a crosslinkable polymer material over the second layer (2); 2) a second step of partially crosslinking the two adhesive layers; 3) a third step of depositing said at least one photovoltaic cell (4) over one (SPR1) of the two partially crosslinked adhesive layers (SPR1, SPR2); 4) a fourth step of forming a multilayer stack; 5) a fifth step of laminating the multilayer stack.

Cover glass for solar cell module and solar cell module

To provide a cover glass for a solar cell module which can sufficiently maintain the power generation efficiency of a solar cell module, even when a design is imparted to the entire surface of the cover glass so as to make solar cells be invisible from the outside, and a solar cell module. To provide a cover glass 14 to be bonded on light-receiving surfaces 16A and 16B of solar cells 16 via an encapsulant material 18, which has a visible transmittance of from 0% to 60% and an average infrared transmittance of from 20% to 100%, which is a value calculated by simply averaging transmittances at 5 nm intervals in an infrared region at a wavelength of from 780 nm to 1,500 nm.

Non-polar ethylene-based polymer compositions for encapsulant films

An encapsulant film is made from a composition comprising (A) a non-polar ethylene-based polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a compound of Structure I wherein R.sub.1-R.sub.6 each is independently selected from the group consisting of hydrogen, a C.sub.1-C.sub.8 hydrocarbyl group, a C.sub.1-C.sub.36 substituted hydrocarbyl group, and combinations thereof. ##STR00001##

Planarization of photovoltaics
11616154 · 2023-03-28 · ·

Various processes can apply pressure and/or heat to a photovoltaic (PV) layer, including processes that integrate solar cells into different types of industrial glass such as an autoclave lamination process. The disclosure describes a planarization technique that can be used on the PV layer to eliminate point loads caused by such processes. In an aspect, a method for producing a component is described that includes disposing or placing a planarization material on a PV layer, modifying a physical form of the planarization material to provide a planar surface made of the planarization material on one side of the PV layer having surface irregularities, and forming a stack of layers (e.g., as part of an autoclave lamination process) for the component by disposing a first layer over the planar surface on the one side of the PV layer and a second layer over the other, opposite side of the PV layer.

ARTICLE COMPRISING A LAYER ELEMENT

An article comprising a layer element (LE) of at least two layers, first layer and second layer.