摘要:
The present invention relates to the use of a specific multilayer structure in the front and/or rear protective sheet of a photovoltaic module comprising photovoltaic cells covered with an encapsulant. This multilayer structure comprises a substrate enclosing at least one halogenated polymer and at least one stack of one layer (A) of SiO2 and one layer (B) of an SiOxNyHz material disposed between the substrate and the layer (A), said layers having given thicknesses. This stack is disposed on the face of the substrate turned towards the encapsulant and optionally on the opposing face of the substrate. It also relates to a photovoltaic module comprising the abovementioned multilayer structure in the front and/or rear protective sheet thereof.
摘要:
The invention relates to a process for encapsulating a flexible electronic device mounted on a substrate, with at least one sheet that protects against orthogonal gas permeation, by means of an adhesive that protects against lateral gas permeation, the process comprising: a step of applying a precursor of the adhesive that protects against lateral gas permeation, to the surface of the device and/or of the substrate and/or to the surface of the flexible gas-protection sheet, the adhesive precursor comprising at least one pressure-sensitive acrylic block copolymer diluted in a solvent, a step of evaporating the solvent, a step of laminating the adhesive precursor inserted between the substrate and the protective sheet via which the adhesive that protects against lateral gas permeation is obtained.
摘要:
The invention relates to a process for encapsulating a flexible electronic device with at least one flexible sheet that protects against orthogonal gas permeation, by means of an adhesive that protects against lateral gas permeation, the process comprising: a step of applying a layer of a polymerizable precursor of the adhesive that protects against lateral gas permeation, to the surface of the device and/or to the surface of the flexible gas-protection sheet, comprising oligomers with reactive double bonds of (meth)acrylic, vinyl, allyl or unsaturated polyester type, and preferably of (meth)acrylic type and a polymerization initiator, a step of polymerizing the acrylic precursor applied, when it is positioned between the device and the gas-protection sheet, in order to form the adhesive that attaches the protective sheet to the device while protecting this device from lateral gas permeation.
摘要:
Empilement (10) hautement barrière aux gaz, par exemple pour encapsuler une cellule photovoltaïque (200) disposée sur un support (100), l'empilement (10) ayant une épaisseur totale inférieure à 150µm, présentant un coefficient WVTR strictement inférieur à 5.10 -2 g -2 .jour -1 , comprenant deux films barrières au gaz (11, 13) séparés par une couche adhésive barrière aux gaz (12), la couche adhésive barrière aux gaz (12) étant en poly(époxy), en poly(acrylate) ou en poly(méthacrylate) et ayant une perméabilité à l'eau inférieure à 2 g.mm.m -2 .jour -1 et un coefficient de diffusion à l'eau D inférieur à 1.10 -6 mm 2 jour -1 .
摘要:
The present disclosure relates to a method (400) for detecting wear of at least one perovskite solar cell, the method comprising the steps of: a) providing at least one electrical characteristic (402) of said at least one perovskite solar cell; b) measuring a photoluminescence signal (411) of said at least one perovskite solar cell only if the electrical characteristic provided at step a) is within a predefined range; c) comparing the photoluminescence signal measured at step b) to a reference signal (413); and d) if said photoluminescence signal exceeds the reference signal by a predefined deviation value, providing a wear detection signal to a user (407).
摘要:
Cell (1) for measuring the permeation of a target gas (7) through a sample (4) comprising upstream (2) and downstream (3) chambers connected by an opening (6), a primary seal (34A) in contact with the end wall (5) of the upstream chamber and surrounding the opening (6) and a removable sample holder (10) and means (32, 33) of assembling the sample holder in the cell. The sample holder comprises: - an upper frame (11) and a lower frame (15) each of which is provided with a through-opening (12); - means (24, 33) for assembling the sample in the sample holder; - a first seal (19) flush with the front face (17) of the lower frame (15) and surrounding the through-opening (16) of the lower frame (10); - in the lower frame, a second seal (20) flush with the front face (17) of the lower frame (15), surrounding the through-opening (16) of the lower frame, and surrounded by the first seal (19), and a second passageway (23) opening out between the two secondary seals (19, 20).