Abstract:
The invention relates to a photovoltaic cell (1) having an absorbent photovoltaic material, especially a cadmium-based material, said cell comprising a front face substrate (10), especially a transparent glass substrate, having, on a main surface, a transparent electrode coating (100) consisting of a thin-film stack that includes at least one metallic functional layer (40), especially one based on silver, and at least two antireflection coatings (20, 60), said antireflection coatings each comprising at least one antireflection layer (24, 26; 66, 68), said functional layer (40) being placed between the two antireflection coatings (20, 60), characterized in that the antireflection coating (60) placed above the metallic functional layer (40) on the opposite side from the substrate comprises at least two antireflection layers (66, 68), the antireflection layer (68) furthest from the metallic functional layer (40) being more resistive than the antireflection layer (66) closest to the metallic functional layer (40).
Abstract:
The present invention relates to a substrate notably designed to enter into the constitution of a solar cell, of which one face, called the inner face, is designed to receive a molybdenum-based conductive element.This substrate is characterized in that the conductive element is formed of several layers based on molybdenum, at least one of these layers being enriched with molybdenum oxide.The present invention also relates to solar cells employing such a substrate and a method for producing same.
Abstract:
A substrate (1) having a glass function that contains alkali metals comprising a first main face intended to be combined with a layer based on an absorbent material, in particular of chalcopyrite type, and a second main face is characterized in that it has, on at least one surface portion of the second main face, at least one alkali-metal barrier layer (9).
Abstract:
A method for producing a solar cell having a substrate, having an inner face, wherein said inner face is designed to receive a conductive element based on molybdenum, wherein the method comprises forming several layers based on molybdenum on the substrate, at least one of the layers being enriched in molybdenum oxide, wherein the layers are formed by a magnetron sputtering method, and wherein the layer enriched with molybdenum oxide is obtained by injecting oxygen, ozone or a mixture of gas containing oxygen in atomic form during the formation of the molybdenum-based conductive element.
Abstract:
A substrate having a glass function, comprising a main face intended to be combined with a layer based on an absorbent material, characterized in that it comprises, on at least one surface portion of the main face, at least one electrode that reflects in the wavelength range extending from the ultraviolet to the near infrared, said electrode being formed from a stack of n layers (where n≧2) defining between them interface zones.
Abstract:
A solar module containing thin-film solar cells positioned between two plates separated by a border seal at the external edge of the plates. The border seal includes an elastomeric spacer that contains a moisture-absorbing medium and is coated with an external peripheral adhesive bead.
Abstract:
The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.
Abstract:
The invention relates to a photovoltaic cell comprising a photovoltaic absorbent material, said cell including a front face substrate (10), particularly a transparent glass substrate. A main surface of the substrate is provided with a transparent electrode coating (100) formed by a stack of thin layers including at least one metal functional layer (40) based, in particular, on silver, and at least two anti-reflective coatings (20, 60). The invention is characterised in that the anti-reflective coating (60) disposed on top of the metal functional layer (40) on the side opposite that of substrate includes a current-conducting layer (66) located farthest from the substrate and having a resistivity ρ of between 2.10−4 Ω·cm and 10 Ω·cm, based, in particular, on TCO.
Abstract:
The invention relates to a photovoltaic cell (1) having an absorbent photovoltaic material, said cell comprising a front face substrate (10), especially a transparent glass substrate, having, on a main surface, a transparent electrode coating (100) consisting of a thin-film stack that includes a metallic functional layer (40), especially one based on silver, and at least two antireflection coatings (20, 60), characterized in that the antireflection coating (20) placed beneath the metallic functional layer (40) in the direction of the substrate has an optical thickness equal to about one eighth of the maximum absorption wavelength of the photovoltaic material and the antireflection coating (60) placed above the metallic functional layer (40) on the opposite side from the substrate has an optical thickness equal to about one half of the maximum absorption wavelength of the photovoltaic material.
Abstract:
The subject of the invention is a transparent substrate, especially made of glass, which is provided with an electrode, especially for a solar cell, comprising a conductive layer based on molybdenum Mo with a thickness of at most 500 nm, especially at most 400 nm or at most 300 nm or at most 200 nm.