Energía solar fotovoltaica

SOLAR CELL AND PREPARATION METHOD OF SOLAR CELL

Resumen de: US20260123092A1

A solar cell includes a substrate, a transparent conductive film layer and a composite metal grid structure. The transparent conductive film layer is disposed on a side or both sides of the substrate; and the composite metal grid structure is disposed on a side, away from the substrate, of the transparent conductive film layer, and the transparent conductive film layer is electrically connected to the composite metal grid structure. The composite metal grid structure includes a first electrode layer and a second electrode layer, and the first electrode layer is located between the transparent conductive film layer and the second electrode layer. The composite metal grid structure including the first electrode layer and the second electrode layer is used in the solar cell, so that stability is relatively high, consumption of silver may be reduced to lower costs, electrical performance is good, and conversion efficiency can be improved.

System, Apparatus and Method for Efficient Use of Solar Photovoltaic Energy

Resumen de: US20260117991A1

A solar photovoltaic (PV) water heating system includes a tank including at least a first heating unit having at least first and second heating elements, at least one of which is switchable; a PV solar collector; an inverter adapted to convert the output from the PV collector to an alternating power supply; a modulator to modulate the alternating power supply from the inverter; a controller adapted to control the modulator and the switching of the or each switchable heating element; wherein the controller is adapted to control the modulator and the switchable heating elements to maximize the energy drawn from the PV collector.

PHOTOVOLTAIC CELL, METHOD FOR MANUFACTURING THE SAME, AND PHOTOVOLTAIC MODULE

Resumen de: US20260123098A1

A photovoltaic cell includes: a first surface, a second surface opposing the first surface, and a third surface connecting the first surface with the second surface; a passivation layer, formed over the third surface, wherein the passivation layer comprises a metal oxide, and the metal oxide comprises at least one metal element of Al, Ti, Zn, Zr, Hf, Mo, W, and Ni; and a protective layer, formed on a side of the passivation layer away from the third surface, wherein the protective layer comprises a nitride, and the nitride comprises one element from Group III elements.

Modular Storage Unit with Electricity Generating Panel

Resumen de: US20260121421A1

A stackable power supply device, container or unit is provided. The power supply device includes an energy conversion module, such as a solar panel. The power supply device includes several power outlets, such as an interface to recharge rechargeable batteries for power tools, an electrical outlet, and a battery to store energy generated by the solar panel. The power supply device is stackable within a modular storage system.

METHOD FOR PREPARING SOLAR CELL, AND SOLAR CELL

Resumen de: US20260123087A1

The method for preparing a solar cell includes providing a substrate having a first surface and a second surface opposite to the first surface; forming a doped layer and a first passivation layer stacked sequentially in a direction away from the substrate on the first surface; forming a second passivation layer on the second surface; forming multiple first grid line electrodes arranged at intervals on the surface of the first passivation layer away from the substrate, and forming multiple second grid line electrodes arranged at intervals on the surface of the second passivation layer away from the substrate; performing a laser processing on the multiple first grid line electrodes and an adjacent region of the multiple first grid line electrodes, and applying a reverse current between the multiple first grid line electrodes and the multiple second grid line electrodes.

A PHOTOVOLTAIC MODULE, MANUFACTURING METHODS THEREOF, AND SCREEN PRINTING STENCILS

Resumen de: US20260123060A1

The present application discloses a photovoltaic module, manufacturing methods thereof, and screen printing stencils. In one example, an photovoltaic module includes a solar cell body, a connection portion, a first bonding layer, and an electrical connector. The connection portion is arranged on a first surface of the solar cell body and includes a first connection portion and a second connection portion arranged at intervals along a first direction. The first bonding layer is arranged on a surface of the first connection portion away from the solar cell body. The first bonding layer includes at least two first bonding strips having a strip-shaped structure. The at least two first bonding strips extend along a second direction and are arranged at an interval along the first direction. The electrical connector is arranged on the first bonding layer and is electrically connected to the first connection portion through the first bonding layer.

DEPLOYABLE SOLAR ARRAY

Resumen de: US20260116585A1

A deployable solar array is mounted on a rocket in a stowed position and deployed in space. The deployable solar array includes a plurality of frame body units. Each frame body unit includes a frame body and a film. The frame body defines a frame shape. The film is attached to the frame body. The film appears as a mounting surface in an opening that is formed by the frame shape defined by the frame body, with a plurality of solar cells mounted on the mounting surface. According to the deployable solar array, effects that are advantageous for low cost, space saving, and mass productivity are obtained, compared to the widely used conventional rigid panel type solar arrays.

Befestigungsvorrichtung

Resumen de: DE102024131772A1

Die Erfindung betrifft eine Befestigungsvorrichtung zum Befestigen eines Solar- und/oder Photovoltaikmoduls, aufweisend wenigstens ein längliches Rammprofil mit mehreren, übereinander angeordneten Befestigungsöffnungen und vorzugsweise mit einem zumindest im Wesentlichen U-förmigen Querschnitt, und ein Kantprofil mit einem Rammprofilbefestigungsabschnitt und wenigstens einem Modulbefestigungsabschnitt, wobei der Rammprofilbefestigungsabschnitt und der Modulbefestigungsabschnitt in unterschiedenen Ebenen angeordnet sind, und wobei der Rammprofilbefestigungsabschnitt mehrere, vorzugsweise als Langlöcher ausgebildete, Rammprofilbefestigungsöffnungen aufweist und der Modulbefestigungsabschnitt eine Modulbefestigungsöffnung aufweist.

Leitungsanordnung für Solar-Elemente und Herstellung einer Leitungsanordnung von Solar-Elementen

Resumen de: DE102025111504A1

Eine Leitungsanordnung (1, 1') für Solar-Elemente (13, 13', 13'', 13''', 213, 213', 213'', 213''') umfasst mindestens zwei zweipolige Hauptleitungen (2, 2', 2", 20, 20'), in denen mindestens ein Steckverbindungsmittel angeordnet ist, das jeweils mindestens einen Steckverbindungsanschluss (8, 8", 28, 28', 28", 28''') aufweist, der zwei Kontakte (9a, 9b, 9a'', 9b'') umfasst und mit dem mindestens ein erster (4a, 4a', 4a'', 24a, 24a') der beiden Pole einer Hauptleitung (2, 2', 2'', 20, 20') herausgeführt ist, und ein erstes T-Steckverbindungsmittel (5a, 5a', 5a", 25a, 25a'), das mit einem Steckverbindungsanschluss (8, 8", 28, 28', 28", 28''') eines Steckverbindungsmittels einer ersten Hauptleitung (2, 2', 2'', 20, 20') verbindbar ist und bei dem beide Kontakte (9a, 9b, 9a'',9b'') von einem ersten (11a) zu einem zweiten (11a') T-Steckverbindungsanschluss durchgeschliffen sind und bei dem der erste Pol (4a, 4a', 4a'', 24a, 24a') zusätzlich über einen Verbindungsanschluss (6a, 6a', 6a'', 26a' 26a') herausgeführt ist und mit einem Verbindungsanschluss (6a, 6a', 6a'', 26a' 26a') eines weiteren ersten T-Steckverbindungsmittels (5a, 5a', 5a'', 25a, 25a') verbindbar ist, das mit einem Steckverbindungsanschluss (8, 8", 28, 28', 28", 28''') eines Mehrfach-Steckverbindungsmittels einer zweiten Hauptleitung (2, 2', 2'', 20, 20') verbindbar ist, an dem mindestens ein erster (4a, 4a', 4a'', 24a, 24a') der beiden Pole der zweiten Hauptleitung (2, 2', 2'', 20, 20') herausgeführt ist.

Anschlag zum Halten eines Gegenstands wie eines Solarmoduls auf einem Träger

Resumen de: DE102025144822A1

Anschlag (20) zum Halten eines Gegenstands wie eines Solarmoduls (110) auf einem Träger (10), wobei der Anschlag (20) einen Körper (22) umfasst, der eine Auflagefläche (24) auf dem Träger (10) aufweist und der wenigstens eine Einführungslasche (26) umfasst, wobei die Auflagefläche (24) und die wenigstens eine Einführungslasche (26) zwischeneinander einen Spalt (30) definieren, der ein offenes Ende (32), an welchem der Träger (10) einführbar ist, und ein entgegengesetztes, geschlossenes Ende (34) aufweist, wobei die wenigstens eine Einführungslasche (26) dafür ausgelegt ist, derart in eine Öffnung (18) des Trägers (10) eingeführt zu werden, dass der Träger (10) in den Spalt (30) eingreift, wobei der Spalt (30) dann ein Verschieben des Anschlags (20) entlang des Trägers (10) bis zum Erreichen einer Verriegelungsposition ermöglicht, in welcher der Träger (10) zwischen der Auflagefläche (24) und der wenigstens einen Einführungslasche (26) in Position gehalten wird.

A WINDOW UNIT FOR A BUILDING OR STRUCTURE

Resumen de: US20260117579A1

An embodiment provides a window unit corner spacer for spacing apart first and second window panels in a window unit. The corner spacer may comprise a corner spacer body having a recess that is dimensioned to receive a solar cell, and a first coupling portion and a second coupling portion each extending from the body. The corner space may also include a first electrical connector positioned in the recess for electrically connecting the solar cell that is received in the recess to one or more electrical components. The corner space may also include a spacer coupler coupled to or formed with the body. The spacer coupler may be configured to be received in and couple to one or more spacer portions that space apart the first and second window panels, wherein, in use, a primary seal that prevents transfer of a gaseous medium, such as air, if formed between at least the spacer coupler and the first and second window panels.

WEARABLE COMPUTING DEVICE

Resumen de: US20260118910A1

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

SOLAR CELL AND PHOTOVOLTAIC MODULE

Resumen de: US20260123101A1

The present disclosure provides a solar cell and a photovoltaic module. The solar cell includes: a silicon substrate and a passivation anti-reflection layer located on the silicon substrate. A surface of the silicon substrate has a textured structure, including: a plurality of quasi-pyramidal structures, which includes a pyramidal face and a pyramidal apex. The pyramidal face includes: a first sub-pyramidal face away from the pyramidal apex, and a second sub-pyramidal face. In the pyramidal face of the quasi-pyramidal structure, a surface morphology of the first sub-pyramidal face is different from a surface morphology of the second sub-pyramidal face. The passivation anti-reflection layer includes: a first portion located on the first sub-pyramidal face, and a second portion located on the second sub-pyramidal face. In the passivation anti-reflection layer, a thickness of the first portion is greater than thickness of the second portion along the same direction towards the pyramidal apex.

Aerodynamic Rear Wind Deflector for Solar Module Fields

Resumen de: US20260121575A1

A wind deflector for a solar panel module and mounting system may include a body having a rounded portion and a flat portion extending from the rounded portion; a leg extending from the rounded portion; a first lip extending from the leg; and a second lip extending from the flat portion. The first and second lips may be configured to engage with corresponding mounting components of a mounting system for a solar panel module, so that the wind deflector is aligned along a length of the solar panel module, and the length of the wind deflector may be less than the length of the solar panel.

PHOTOVOLTAIC ASSEMBLY AND MANUFACTURING METHOD THEREOF

Resumen de: US20260123100A1

A photovoltaic assembly includes a first cover plate, a first adhesive film, a solar cell layer, a second adhesive film, and a second cover plate that are stacked in sequence. The first cover plate is provided on a light-facing surface of the photovoltaic assembly. A first pad strip is provided between the first cover plate and the first adhesive film. The first pad strip covers a long edge region, a short edge region, and a middle strip region of the first adhesive film. A second pad strip is provided between the solar cell layer and the second adhesive film. The second pad strip covers a short edge region of the second adhesive film.

SYSTEM AND METHOD TO SET UP AN AUTONOMOUS PHOTOVOLTAIC POWER STATION

Resumen de: US20260121574A1

System to set up an autonomous temporary solar farm, comprising a multitude of photovoltaic power modules (1, 1′, 1″) and a multitude of battery modules (2, 2′, 2″), wherein the photovoltaic power modules (1, 1′, 1″) and the battery modules (2, 2′, 2″) each comprise compatible electrical DC connectors (3, 3′), so that the battery modules (2, 2′, 2″) can be electrically connected to and charged by the photovoltaic power modules (1, 1′, 1″), wherein the system comprises at least one magazine (4) adapted to hold both the photovoltaic power modules (1, 1′, 1″) and the battery modules (2, 2′, 2″), at least one robotic vehicle (5) comprising a holding platform (6) to hold the magazine (4), and a manipulator mechanism (8) that is adapted to extract a photovoltaic power module (1, 1′, 1″) and/or a battery module (2, 2′, 2″) from the magazine (4) and place it on a ground surface, and/or pick up a photovoltaic power module (1, 1′, 1″) and/or a battery module (2, 2′, 2″) from a ground surface and insert it into the magazine (4).

SOLAR CELL AND PHOTOVOLTAIC MODULE

Resumen de: US20260123096A1

The present application relates to the field of photovoltaic technologies and provides a solar cell and a photovoltaic module. The solar cell includes: a silicon substrate, where the silicon substrate includes a first surface and a second surface that are opposite to each other; an N-type doped layer, formed on at least some regions of the first surface of the silicon substrate, where a sheet resistance of the N-type doped layer is 14 ohms/square to 40 ohms/square; and a plurality of N-type fingers distributed at intervals and in parallel, formed on a side of the N-type doped layer facing away from the silicon substrate, where a distance between adjacent N-type fingers is less than 1.391 mm.

BACK CONTACT SOLAR CELL AND PHOTOVOLTAIC MODULE

Resumen de: US20260123095A1

The present application discloses a back contact solar cell and a photovoltaic module. An example back contact solar cell includes: a semiconductor substrate, a first doped region, a second doped region, and at least one conductive semiconductor structure. The first doped region and the second doped region are alternately spaced apart on a back surface of the semiconductor substrate. Each conductive semiconductor structure is at least partially located between the first doped region and the second doped region, and only a part of the first doped region and only a part of the second doped region are in electrical contact with at least one conductive semiconductor structure respectively. A width of a spacing region located between the first doped region and the second doped region is D1. A width of the conductive semiconductor structure along an extension direction of the spacing region is W, and 0.5D1≤W≤6D1.

SOLAR CELL, SOLAR CELL STRING, AND PHOTOVOLTAIC MODULE

Resumen de: US20260123094A1

The present application provides a solar cell, a solar cell string, and a photovoltaic module. The solar cell includes a first and a second doped region disposed on a surface of a substrate. Each of the first and the second doped region includes a main part and finger-shaped parts connected to the main part. An insulation layer is disposed at a position where a first finger-shaped part of the first doped region close to a second main part of the second doped region. A first sub-grid is disposed on and electrically connected to the first finger-shaped part. The insulation layer covers an end portion of the first sub-grid close to the second main part, covers at least an end portion of the first finger-shaped part close to the second main part, and extends to and fills a gap region between the first finger-shaped part and the second main part.

CLEANING DEVICE FOR GLASS FRONTS

Resumen de: EP4733508A1

0001 Die Erfindung betrifft eine Reinigungsvorrichtung für Glasfronten, wie die von Pergolas, Glasdächern oder Glasfassaden, umfassend eine Zentralsteuerung mit wenigstens einer stationären Basisstation, wobei der Reinigungsbalken relativ zur Basisstation entlang der Glasfront verfahrbar ist und einen Antrieb, eine Steuereinheit sowie eine Batterie umfasst. Ferner betrifft die Erfindung eine Pergola, ein Glasdach oder eine Glasfassade, umfassend eine Glasfront sowie wenigstens eine Reinigungsvorrichtung, wobei bevorzugt mehrere, insbesondere nebeneinander angeordnete Basisstationen, umfassend einen Reinigungsbalken vorgesehen sind, wobei die Steuereinheiten der Reinigungsbalken über die Zentralsteuerung angesteuert werden.

SOLAR CELL STRINGS TRANSPORTING DEVICE AND METHOD THEREOF

Resumen de: EP4734713A1

0001 The invention relates to a solar cell strings transport device and a method for operating the device (100). The device (100) comprises a plurality of holding members (2) distributed along a longitudinal direction (LD) and configured to hold at least one solar cell string (200), and a frame (1) to which the holding members (2) are associated. At least one of the holding members (2) is movable with respect to at least one other holding member (2) in an adjustment direction (AD) which is different from the longitudinal direction (LD).

DEVICE AND METHOD FOR DETERMINING AT LEAST ONE COMPONENT OF HEMISPHERICAL IRRADIANCE OF SOLAR RADIATION IN AN ARBITRARY PLANE

Resumen de: WO2024260999A2

The invention relates to a method (S100, S200, S300, S400, S500) for determining at least one component of a hemispherical irradiance (120) of solar radiation in an arbitrary plane, wherein the at least one component has a diffuse irradiance (122) and/or a direct irradiance (124), comprising the following steps: (i) collecting measurement data relating to the hemispherical irradiance (120) using a radiation sensor unit (12) in a field of view (26) over a plane (46) of the radiation sensor unit (12); (ii) capturing an image (110) of the sky (50) using a camera (14) in a field of vision (32) over a plane (48) of the camera (14); (iii) extracting (S130, S230, S330, S430, S530) features from the image (110) of the sky (50) by means of a first machine learning model and producing a result data set; (iv) merging (S140, S240, S340, S440, S540) the measurement data to form a common data set; (v) determining (S150, S250, S350, S450, S550) the at least one component of the hemispherical irradiance (120) in the arbitrary plane from the data set by means of a second machine learning model.

ULTRA-THIN TUNNEL OXIDE PASSIVATED CONTACT SOLAR CELL AND MANUFACTURING METHOD THEREFOR

Resumen de: EP4734702A1

An ultra-thin tunnel oxide passivated contact solar cell and a manufacturing method therefor. An ultrathin tunnel oxide layer and a doped polycrystalline silicon layer are arranged on the back face of a semiconductor substrate, so as to achieve ultra-thin tunnel oxide passivated contact on the back face. A bottom electrode contact layer is arranged between a bottom electrode and the doped polycrystalline silicon layer. The bottom electrode contact layer comprises: an ultra-thin oxide layer and a doped polycrystalline silicon carbide layer. The doped polycrystalline silicon carbide layer can control the metallization depth of the bottom electrode in the bottom electrode sintering process, so that the bottom electrode and the doped polycrystalline silicon layer form an ohmic contact, and the metallization range does not exceed the doped polycrystalline silicon layer, so as to prevent the metal material of the sintered bottom electrode from burning the ultra-thin tunnel oxide layer, prevent causing a problem of poor ultra-thin tunnel oxide passivated contact effect, improve the ultra-thin tunnel oxide passivated contact effect, prevent the metal material of the bottom electrode from being in direct contact with the semiconductor substrate, reduce metal contact compounding, reduce parasitic absorption, and improve the photoelectric conversion efficiency.

TRANSPARENT SOLAR CELL MODULE WITH EXCELLENT AESTHETICS AND MANUFACTURING METHOD THEREOF

Resumen de: EP4734704A1

0001 The present disclosure relates to a transparent solar cell module with excellent aesthetics and a manufacturing method thereof. The method of manufacturing the transparent solar cell module according to an embodiment of the present disclosure includes: a first stage of forming a thin film solar cell including a thin film solar cell layer patterned on a glass substrate; and a second stage in which an upper glass substrate is disposed on an upper surface of the thin film solar cell, wherein the first stage includes: forming a pattern mask on the other surface of a surface on which the thin film solar cell layer of the glass substrate is formed; and forming the thin film solar cell layer by processing by irradiating a laser on an upper portion where the pattern mask is formed.

SET OF ELEMENTS FOR INSTALLING PHOTOVOLTAIC PANELS BY MANUALLY POSITIONING A TAB-TYPE CLAMP

Nº publicación: EP4733687A1 29/04/2026

Solicitante:

PEREZ LOPEZ BENITO [ES]
Perez Lopez, Benito

Resumen de: EP4733687A1

The invention relates to a set of elements for installing photovoltaic panels by manually positioning a tab-type clamp, where said elements are intended to interact with each other in order to facilitate the installation of a photovoltaic panel on another previously existing structure. The set of elements consists of a longitudinal profile on which the photovoltaic panel rests, a fastening clamp for fastening the front longitudinal profile to the structure that supports it, and a tab-type clamp.