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Dual Oxide Moisture Barrier

Resumen de: US20260123166A1

Perovskite solar cells with a dual oxide moisture barrier deposited by atomic layer deposition are described, where a first oxide layer is deposited over the solar cell with a water oxidizer and a second oxide layer is deposited over the first oxide layer with an ozone oxidizer.

PHOTOVOLTAIC CELL, ASSEMBLY AND SYSTEM

Resumen de: WO2026086956A1

Provided in the present disclosure are a photovoltaic cell, an assembly and a system. In the photovoltaic cell, a passivation layer on at least a partial region of a P-type doped layer has a first thickness, the passivation layer on at least a partial region of an N-type doped layer has a second thickness, and the passivation layer on at least a partial region of an isolation region has a third thickness, wherein the first thickness is greater than the second thickness, and the first thickness is greater than the third thickness.

CELL, MODULE AND PHOTOVOLTAIC SYSTEM

Resumen de: WO2026086351A1

The present disclosure is applicable to the technical field of solar cells, and provides a cell, a module and a photovoltaic system. The cell comprises: a silicon substrate; a first transport layer; a second transport layer; a first conductive layer; and a second conductive layer provided with a first insulating opening, a side surface of the second transport layer being exposed to form a second insulating opening, and a side surface of the first conductive layer being provided with a third insulating opening. The present disclosure reduces the possibility of electric leakage.

HBC CELL, CELL ASSEMBLY AND PHOTOVOLTAIC SYSTEM

Resumen de: WO2026086177A1

The present disclosure is applicable to the technical field of photovoltaics. Provided are an HBC cell, a cell assembly and a photovoltaic system. The HBC cell comprises: a silicon substrate, wherein the silicon substrate has a rear surface and a light-facing surface that are disposed opposite each other, first regions and second regions are alternately disposed on the rear surface of the silicon substrate, the first regions are polished regions, and the second regions are textured regions; and a first passivation layer, a first doped layer, a first conductive film layer and a first electrode that are stacked in sequence in each first region, and a second passivation layer, a second doped layer, a second conductive film layer and a second electrode that are stacked in sequence in each second region, wherein the first doped layer and the second doped layer are of different types, the first conductive film layer is not in communication with the second conductive film layer, and the width of the first electrode is less than the width of the second electrode. Increasing the width of a second electrode can improve the internal back-reflection capability of front incident light, thereby helping to improve the current output. The effect of contact resistance is reduced, thereby improving the transport efficiency of carriers.

PHOTOVOLTAIC MODULE

Resumen de: AU2025252513A1

Provided is photovoltaic module including three cell string groups connected in series, three cell string groups each include four cell strings in parallel. cell string includes multiple electrically connected cells, which are quarter cells cut from whole cell. Among them, length L1 of cell is 182.3mm, and width L2 of cell satisfies 46.675mm ≤ L2 ≤ 53.25mm. photovoltaic 5 module adopts four in four circuit design, which means that cells are quarter cells cut from whole cell, and each cell string group includes four parallel cell strings. This not only reduces current in single cell string and lowers power loss of single cell string, but also avoids overall output current of photovoltaic module caused by use of cut cells. This ensures that overall output current of photovoltaic module is equal to that of conventional photovoltaic module 10 using two-piece cells, ensuring overall power of photovoltaic module in present disclosure. Provided is photovoltaic module including three cell string groups connected in series, three cell string groups each include four cell strings in parallel. cell string includes multiple electrically connected cells, which are quarter cells cut from whole cell. Among them, length 5 L1 of cell is 182.3mm, and width L2 of cell satisfies 46.675mm L2 53.25mm. photovoltaic module adopts four in four circuit design, which means that cells are quarter cells cut from whole cell, and each cell string group includes four parallel cell strings. This not only

PHOTOVOLTAIC MODULE

Resumen de: AU2025252514A1

Provided is photovoltaic module including cell strings. Each of cell strings includes multi segmented cells connected in series. Two ends of the cell string are provided with busbar to connect multi segmented cells, busbar includes first, second and third busbar, which are spaced apart along first direction. End of first busbar opposite to second busbar is first lead-out end, 5 and end of second busbar opposite to third busbar is second lead-out end. Photovoltaic module further includes first jumper wire overlapping second busbar. first bending portion is provided on end of first busbar adjacent to second busbar. Side of first jumper wire away from second busbar is provided with first lead out member. This facilitates adjusting distance between first lead out member and first bending portion, thereby reducing possibility short circuit caused by 10 accidental contact between first lead out member and first bending portion, and improving safety of photovoltaic module. Provided is photovoltaic module including cell strings. Each of cell strings includes multi segmented cells connected in series. Two ends of the cell string are provided with busbar to connect multi segmented cells, busbar includes first, second and third busbar, which are spaced 5 apart along first direction. End of first busbar opposite to second busbar is first lead-out end, and end of second busbar opposite to third busbar is second lead-out end. Photovoltaic module further includes first jumper wire overlappi

BACK-CONTACT SOLAR CELL, CELL MODULE, AND PHOTOVOLTAIC SYSTEM

Resumen de: AU2025318867A1

The present disclosure is applicable to the technical field of solar cells, and provides a back-contact solar cell, a cell module, and a photovoltaic system. The back-contact solar cell comprises: a silicon substrate, wherein the back surface of the silicon substrate is provided with a P region and an N region; a first passivation contact structure, comprising a first passivation layer, a first P-type doped polysilicon layer, a first barrier layer, and a second P-type doped polysilicon layer; a second passivation contact structure, comprising a second passivation layer, a first N-type doped polysilicon layer, a second barrier layer, and a second N-type doped polysilicon layer. The doping concentration of a P-type dopant of the first P-type doped polysilicon layer is greater than the doping concentration of a P-type dopant of the second P-type doped polysilicon layer, and the doping concentration of an N-type dopant of the first N-type doped polysilicon layer is less than the doping concentration of an N-type dopant of the second N-type doped polysilicon layer. In the back-contact solar cell of the present disclosure, impurities that diffuse into the silicon substrate can be reduced, and the light transmittance of the P region can be improved, thereby improving the cell efficiency.

SOLAR CELL AND MANUFACTURING METHOD THEREFOR, AND PHOTOVOLTAIC MODULE

Resumen de: WO2026086110A1

The present invention relates to a solar cell and a manufacturing method therefor, and a photovoltaic module. The solar cell comprises: a substrate, where the substrate comprises a first surface; a passivation contact structure, where the passivation contact structure is disposed on a portion of the first surface; and a first electrode, where the first electrode is disposed on the side of the passivation contact structure facing away from the substrate, and is electrically connected to the passivation contact structure, a portion of the passivation contact structure being provided with a marker portion.

METHOD AND DEVICE FOR CONTROLLING A SOLAR PANEL CLEANING ROBOT

Resumen de: AU2024396043A1

The present invention relates to a method and a device (DV1) for controlling a solar panel (12) cleaning robot (DV2). The method comprises: obtaining, via sensors (CP), environmental data (DT) comprising temperature data (DT1) representative of a temperature (T1) of the ambient air, hygrometric data (DT2) representative of a relative humidity (HR) and wind data (DT3) representative of a wind force (F); b) verifying conditions indicative of the presence of water condensation on the surface (12a), comprising: verifying that the temperature (T1) and the relative humidity (HR) fulfil a first condition indicating that the dew point has been reached; and verifying as a second condition that the wind force (F) is less than or equal to a threshold value; and upon detecting that the first and second conditions are fulfilled, activating a cleaning function (F1) of the cleaning robot.

BACK-CONTACT SOLAR CELL, BATTERY ASSEMBLY AND PHOTOVOLTAIC SYSTEM

Resumen de: EP4734703A1

Disclosed are a back-contact solar cell, a cell assembly, and a photovoltaic system. First busbars (23) of a back-contact solar cell (100) are in contact with first finger pre-plated layers (211), and second busbars (24) are in contact with second finger pre-plated layers (221); a first conductive connector (30) and a second conductive connector (40) are respectively arranged on two ends of each first busbar (23) and two ends of each second busbar (24); and the first conductive connector (30) is connected to the ends of all the first busbars (23) facing away from the second conductive connector (40), and the second conductive connector (40) is connected to the ends of all the second busbars (24) facing away from the first conductive connector (30). In this way, when the first finger electroplated layers (212) and the second finger electroplated layers (222) are formed, the first finger electroplated layers (212) and the second finger electroplated layers (222) may be respectively formed on all the first finger pre-plated layers (211) and all the second finger pre-plated layers (221) by means of simply connecting a cathode of an electroplating device to the first conductive connector (30) and the second conductive connector (40), thereby effectively simplifying the electroplating process, and improving the electroplating efficiency.

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

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.

PHOTOVOLTAIC CELL

Resumen de: EP4734714A1

0001 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.

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.

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.

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).

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.

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.

SOLAR TABLE MOBILE TRANSPORT WITH SIDESHIFT

Resumen de: AU2024309665A1

A solar table mobile transport with sideshift capability is described that moves a solar table to a point of installation. The solar table mobile transport comprises multiple motors that allow movement within a three-dimensional coordinate system as well as provide angular controls of pitch, yaw and roll. Extended horizontal movement of the solar table is provided by a sideshift element that extends the solar table beyond an edge of a transport component of the solar table mobile transport.

HIGH-THERMAL-EMISSIVITY METAMATERIAL

Resumen de: WO2024261313A1

The invention relates to a metamaterial comprising at least two components, including a first component that comprises, and preferably consists of, a dielectric oxide of at least one of the elements chosen from among Al, Ti, Ca, Mg, Ta, Hf and Zr; and a second component that comprises, and preferably consists of, a transparent electron-conductive oxide, the oxide being an oxide of at least one element chosen from among Zn, Sn, Ni, Ga, In and Cd, the conductive and dielectric oxides being inert with respect to one another at a temperature of 1000°C and at a pressure of 0.1 MPa, the components being present in the metamaterial in the form of a plurality of layers of the two components or of a wall consisting of one of the components on which a layer of the other component is deposited, the thickness of each layer or wall being less than 300 nanometers and the maximum distance between the two closest walls or layers of the same component being less than 300 nanometers.

METHOD FOR COATING SEPARATING EDGES OF A PLURALITY OF SEPARATED PARTIAL SOLAR CELLS, AND PARTIAL SOLAR CELL

Resumen de: WO2024260511A1

The invention relates to a method for coating separating edges (11a) of a plurality of separated partial solar cells (1) each having a front side (12), a back side (14) and edges (11) extending between the front side (12) and the back side (14), comprising a separating edge (11a), the method comprising the following steps: – providing the plurality of separated partial solar cells (1) in a manner stacked in a carrier element (2) having at least one pocket (21) for receiving the plurality of stacked partial solar cells (1), – coating the separating edges (11a) of the plurality of separated partial solar cells with an a-Si:H passivation layer (3). Furthermore, the invention relates to a partial solar cell (1) which is obtained according to the method, and a partial solar cell (1) which comprises a separating edge (11a) coated with an a-Si:H passivation layer.

METHOD FOR DETERMINING A DEGREE OF SOILING OF A SURFACE OF A PHOTOVOLTAIC MODULE

Resumen de: WO2024261129A2

The invention relates to a method for determining a degree of soiling of a surface of a photovoltaic module of a solar installation or of a solar power plant, comprising the following steps: a) selecting and providing a defined dark area, positioning a camera having a plurality of color channels or adjusting the surface of the photovoltaic module in such a way that an image representation of the dark area from the viewpoint of a camera having a plurality of color channels appears on the surface of the photovoltaic module, and illuminating the surface of the photovoltaic module with light, wherein a known or predefined illumination situation is produced, b) capturing image data of the surface of the photovoltaic module using the camera, c) determining regions of one image consisting of the image data or of a plurality of images consisting of the image data which show the reflection of the dark area in the surface of the photovoltaic module, d) determining image channel information from the image data by means of at least one first color channel of the camera which images the red or part of the red color spectrum, or by means of at least one first color channel of the camera which images the green or part of the green color spectrum, wherein the image channel information is used to determine image information of the image data for the regions determined in step c) or partial regions of the regions determined in step c), and e) determining the degree of soiling of the surface of

BALLASTING SYSTEM FOR PHOTOVOLTAIC SYSTEMS WITH ADJUSTABLE SPACE BETWEEN ARRAYS

Resumen de: WO2024261602A1

Installation system of photovoltaic systems, configured to install at least two arrays of photovoltaic modules (8) parallel to each other, and comprising a plurality of blocks in cement conglomerate (1, 2, 3, 4), said blocks being arranged along at least two longitudinal alignments parallel to each other and orthogonal to the direction of said arrays of photovoltaic modules, characterized in that each of said alignments comprises : a front block (1); at least a couple comprising a high central block (2) and a low central block (3); a rear block (4), configured so that a first array of photovoltaic modules can be installed between the front blocks (1) of each alignment and the first high central blocks (2) near the respective front blocks, and a second array of photovoltaic modules can be installed between the rear blocks (4) of each alignment and the last low central blocks (3) near said rear blocks (4), and in that each block of said at least one couple comprising a high central block (2) and a low central block (3) comprises, buried in concrete, at least a fastening element (9) configured to be coupled to a respective fastening element (10) buried in the other block of the couple, said fastening elements (9, 10) being couplable to each other in a plurality of positions, so that with the variation of the coupling position the relative distance varies as well, along the longitudinal direction, of the high central block (2) and low central block (3) of said at least one couple

DETECTION METHOD AND APPARATUS FOR INVERTER SYSTEM AND INVERTER SYSTEM

Resumen de: EP4734361A1

0001 The present disclosure discloses a detection method and apparatus for an inverter system and an inverter system, and belongs to the technical field of inverter systems. The detection method for the inverter system includes: obtaining output power corresponding to a target system connected to at least one load, where the target system is configured to supply power to the at least one load, and the target system includes a photovoltaic system; and performing arc detection on a faulty photovoltaic string in the photovoltaic system based on the output power and total power corresponding to the at least one load. The detection method for the inverter system of the present disclosure ensures stability of load operation during an arc detection process, mitigates an impact of a reduction in output power of the inverter system on the load operation, improves load performance and prolongs a service life of the load, reduces safety hazards caused by unstable operation of the load, and improves user experience.

ROADSIDE PHOTOVOLTAIC SITE SELECTION METHOD CONSIDERING GLARE IMPACT

Resumen de: US12615007B1

A roadside photovoltaic site selection method considering glare impact includes: obtaining latitudes, longitudes, ground elevations, and contour vertex eights of photovoltaic modules above ground of a photovoltaic array; calculating a sun movement path, determining an installation manner based on predicted solar radiation on inclined surfaces of the photovoltaic array; calculating an elevation angle and an azimuth angle of each reflected light caused by the inclined surfaces; arranging observation points and conducting a glare impact analysis for each observation point; determining whether to adjust an installation tilt angle of each photovoltaic module or distances between adjacent photovoltaic modules; comparing solar radiation received on the inclined surfaces between the critical tilt angle and the optimal tilt angle; in response to a difference in the solar radiation less than a set value, accepting the critical tilt angle; and completing the glare impact analysis for each observation point, and providing recommended installation locations.

Procédé de caractérisation d’un matériau photovoltaïque avec ajustement de spectre de luminescence

Nº publicación: FR3167713A1 24/04/2026

Solicitante:

INST PHOTOVOLTAIQUE DILE DE FRANCE IPVF [FR]
ELECTRICITE DE FRANCE [FR]
TOTALENERGIES ONETECH [FR]
CENTRE NATIONAL DE LA RECHERCHE SCIENT CNRS [FR]
ECOLE POLYTECHNIQUE [FR]

Resumen de: FR3167713A1

L’invention porte sur un procédé de caractérisation d’un matériau photovoltaïque, comprenant : l’obtention d’un spectre de luminescence (Dex) d’un échantillon du matériau photovoltaïque ; la détermination d’un jeu de paramètres permettant d’ajuster un modèle paramétrique au spectre obtenu ; et la détermination de caractéristiques du matériau photovoltaïque à partir du jeu de paramètres. Dans ce procédé, le modèle paramétrique (SFT) correspond à la somme d’au moins deux modèles (SF1, SF2) de spectre de luminescence. Figure pour l’abrégé : Figure 3