Resumen de: WO2026197946A1
An energy storage device (1) comprising: a container (2) containing an energy storage material (10); an electric heating element (3) configured to heat the energy storage material (10); a photovoltaic device (4) configured to convert thermal radiation emitted from the heated energy storage material (10) within the container (2) to electricity; wherein the energy storage material (10) comprises a granular composite material comprising at least one first constituent (21) and at least one second constituent (22), the first constituent (21) having a higher melting point than the second constituent (22), the electric heating element (3) being configured to heat the energy storage material (10) to a temperature at which the first constituent (21) is in solid phase and the second constituent (22) is in liquid phase.
Resumen de: US20260291428A1
0000 A robotic cleaning system includes a robotic body and a coating reservoir. The robotic body includes a controller, a motive source coupled to the controller, a coating applicator coupled to the controller, and an attachment mechanism for attaching the robotic body to a photovoltaic module. The coating reservoir is in fluid communication with the coating applicator to supply a coating material to the coating applicator. The robotic body is configured to apply the coating material, via the coating applicator, to the photovoltaic module.
Resumen de: US20260287211A1
0000 Systems and methods for mounting one or more solar modules to a torque tube including a module support rail having a lower portion couplable to a torque tube and an upper portion including a first end portion including a first tab and a second end portion defining a first hole configured to accept a first fastener. A first solar module coupled with a first solar module frame, the first solar module frame defining a first tab slot configured to accept the first tab to couple the first solar module frame to the module support rail. A first hole spaced apart from the first tab slot along a length of the first solar module frame, the first hole configured to align with the first hole of the module support rail and accept the first fastener to further couple the first solar module frame to the module support rail.
Resumen de: WO2026198880A1
A solar panel positioning system includes at least one processor configured to perform operations including receive indications of inclement weather, and in response to at least one indication of inclement weather, perform further operations including: operate at least one actuator assembly to rotate at least one panel assembly comprising a solar panel and shield from at least one collection orientation that enables the solar panel to receive direct sunlight, and to a protective orientation that positions the shield above the solar panel to enable the shield to protect the solar panel from a falling object associated with the inclement weather; and maintain the at least one panel assembly in the protective orientation for at least a predetermined period of time before allowing the at least one panel assembly to be rotated out of the protective orientation.
Resumen de: WO2026194219A1
The present application relates to the field of photovoltaics, and in particular to a photovoltaic cell, a module, and a system. A doped layer and a passivation layer are successively stacked on a back surface of a solar cell; light spots (2) are provided on the passivation layer; fingers (1) are located on the side of the passivation layer facing away from the doped layer; the number of the light spots (2) covered by the fingers (1) is greater than that of the light spots (2) not covered by the fingers (1). The photoelectric conversion effect of the solar cell can be ensured.
Resumen de: WO2026194113A1
The present invention belongs to the field of solar photovoltaic power generation, relates to an integrated photovoltaic energy storage assembly, and aims to solve the problems of complex structures, complex mounting, high costs, low efficiency and high safety risks of existing photovoltaic energy storage products. The integrated photovoltaic energy storage assembly comprises a solar panel, an AC/DC multi-directional conversion device and an energy storage battery. The AC/DC multi-directional conversion device and the energy storage battery are mounted on the back surface of the solar panel and each have an extension height not exceeding an end face of a back side of a solar panel frame. The AC/DC multi-directional conversion device comprises three groups of connection terminals, which are respectively electrically connected to the solar panel, the energy storage battery and an AC power grid, a plurality of voltage converters, a plurality of switching elements, and a control chip, wherein the control chip is configured to selectively turn on at least one switching element in different operating modes of the integrated photovoltaic energy storage assembly, so as to establish a voltage conversion path between two corresponding groups of connection terminals by means of at least one voltage converter.
Resumen de: DE102025000974A1
Die Erfindung bezieht sich auf eine Reflektoreinrichtung zur wesentlichen Erhöhung des Wirkungsgrades von Photovoltaikanlagen und thermische Solaranlagen auf sonnenabgewandten Flächen wie z.B. Nordseiten von Sattel-, Schräg- oder Walmdächern (siehe Abb. 1). Die Erfindung weist ein steuerbares, ein- und ausfahrbares Reflektorsystem auf, z.B. durch einen Kunststoff- oder Metallrolladen, der am unteren Ende des Photovoltaikpanels oder des thermischen Solarkollektors montiert ist und mit Hilfe eines Motors ausgefahren werden kann, z.B. innerhalb von gebogenen Führungsschienen aus Metall oder Kunststoff, so dass Sonnenstrahlen, die über den Dachfirst gehen, durch den Reflektor auf die Photovoltaikpanels oder thermischen Solarkollektoren gelenkt werden. Die Reflektorfläche (z.B. auf den Lamellen des Rolladenpanzers) auf der Seite, die den Photovoltaikpanels bzw. Kollektoren zugewandt ist, kann aus Streifen von verspiegeltem Glas, reflektierendem Metall oder einer reflektierenden, wetterfesten Klebefolie bestehen. Die Erfindung kann gegen zerstörerische Kräfte mit einen Windsensor gesteuert und bei Starkwind eingefahren werden, um Schäden vorzubeugen. Die Wind- sowie eine optionale Lichtsteuerung kann auch über eine App geregelt und an Wetter-Apps gekoppelt werden. Die Führungen des Reflektors können, gemäß dem örtlichen Breitengrad und der Dachneigung, voreingestellt werden.
Resumen de: WO2026193518A1
The present invention is directed to a method of constructing a solar array wall module (10). The general steps involved in this method comprise: 1. constructing a structural backbone (12) in the form of a wall (14) wherein (a) a plurality of elongate building panels such as (16a) to (16f) are interconnected in a side-by-side relationship, and (b) a pair of cross-bracing members (18a) and (18b) are connected at respective of opposing ends of the interconnected building panels (16a) to (16f); 2. mounting a plurality of solar panels such as (20a) to (20I) and (22a) to (22I) across opposing of respective faces of the wall (14) of the structural backbone (12) thereby forming the solar array wall module (10). It is to be understood that construction of the structural backbone (12) and mounting of the solar panels such as (20a) to (20I) occurs at ground level with the structural backbone (12) in a general horizontal disposition. In the illustrated embodiment where solar panels are mounted to both faces of the structural backbone (12) the solar array wall module (10) is formed in a bifacial solar arrangement.
Resumen de: WO2026196044A1
The present disclosure envisages an arrangement (100) for mounting solar panels (102). The arrangement comprises a plurality of columns (104), a plurality of truss members (106), and at least one fixture (108). The columns (104) are defined by a body having a top end (104a) and a bottom end (104b), where the bottom end (104b) is configured to be mounted on a rigid surface. The plurality of truss members (106) is configured to be fitted by joining the top end (104a) of the opposite columns (104) and comprise a plurality of interconnected load-bearing components arranged at varying angles to distribute the load and resist external forces. The fixture (108) is configured to secure a plurality of solar panels (102). The arrangement (100) is configured to be raised and lowered to a defined height above a rigid surface to provide unobstructed space below the bed of solar panels (102).
Resumen de: WO2026195186A1
The invention relates to a device (1) for pivoting a photovoltaic solar module. The device (1) comprises a driving element (2), which meshes with a driven element (3) and forms a rotational transmission between the driving element (2) and the driven element (3), wherein the driving element (2) comprises a carrier wheel (4) having rollers (5, 5a, 5b) rotatably mounted therein, namely at least four blocking rollers (5a) and at least one conveying roller (5b), and wherein the driven element (3) engaged therewith comprises at least one curved portion (7) on the circumferential side and comprises recesses (8) which are radially outwardly open, wherein the at least one curved portion (7) and the radially outwardly open recesses (8) are arranged alternately and uniformly spaced along the circumference of the driven element (3), characterized in that, during a rotational transmission, the conveying rollers (5b) engage in the radially outwardly open recesses (8) for the discontinuous rotation of the driven element (2), and at least two of the blocking rollers (5a) bear against the at least one curved portion (7) and remain there in order to block the driven element (3).
Resumen de: DE102025110499A1
Die Erfindung betrifft eine Vorrichtung zur Beleuchtung eines Innenraums eines Kraftfahrzeugs (10), umfassend: einen geschlossenen Behälter (20) mit einer Oberseite (20a), einer Unterseite (20b) und einer Seitenwand (20c), wobei der Behälter (20) in seinem Inneren durch eine für Flüssigkeiten undurchlässige Trennwand (26) in zumindest zwei Kammern (22, 24) unterteilt ist, wobei sich die Seitenwand (20c) und die Trennwand (26) zwischen der Oberseite (20a) und der Unterseite (20b) des Behälters (20) erstreckt; wobei eine der Kammern (22) mit Flüssigkeit (22a) gefüllt ist und die andere Kammer (24) wenigstens ein an der Oberseite (20a) angeordnetes Photovoltaikmodul (30), eine Energiespeichereinheit (32), sowie eine Beleuchtungsquelle (34) auf-weist, welche Licht in Richtung der mit Flüssigkeit (22a) gefüllten Kammer (22) emittiert; wobei die mit Flüssigkeit (22a) gefüllte Kammer (22) zumindest im Bereich der Oberseite (20a) und der Unterseite (20b) lichtdurchlässig ist. Erfindungsgemäß ist auch ein Kraftfahrzeug (10) vorgesehen, welches zumindest eine erfindungsgemäße Vorrichtung aufweist.
Resumen de: WO2026193574A1
Multiple light emitting diodes (LEDs) connected in independently controlled wavelength bands are mounted on a planar module or tile, which includes multiple distributed optical detectors. The light output conforms closely to the solar spectrum. Calibration and lifetime usage data are stored on the module. Drive currents are modified as the LEDs age in order to maintain the output within its calibration limits. Modules are formed into an array for illuminating larger area devices that are to be tested. Modules can be changed within an array without needing recalibration. Measurement systems have one or two arrays for monofacial and bifacial testing respectively. The detectors discern the specific source of the illumination via its modulation. Bidirectional reflectance and transmittance distribution functions can be obtained for tested devices. Irradiance, output spectrum and pulse shapes, where used, are precisely controlled. Optical properties as a function of angle may be measured.
Resumen de: US20260291431A1
The present application discloses a photovoltaic module. In an implementation, the photovoltaic module includes: a junction box, including a bonding pad; and a busbar, one end of the busbar is attached to a surface of the bonding pad and soldered to the bonding pad through at least one soldering joint, where the soldering joint penetrates through one end of the busbar and extends into the bonding pad, the extension depth of the soldering joint in the bonding pad is x, and the length of the soldering joint is y, where y is greater than or equal to −5x+4.5.
Resumen de: US20260291432A1
0000 Systems and methods for monitoring a solar array. The solar array includes a first set of solar modules and a second set of solar modules. The system includes at least one first thermal sensor for measuring first thermal data of each solar module of the first set of solar modules, at least one data acquisition unit for measuring power data of each solar module of the first set of solar modules, at least one second thermal sensor for measuring second thermal data of each solar module of the second set of solar modules and a processor for calculating at least one adjustable parameter based on the first thermal data and the power data, wherein the processor utilizes the at least one adjustable parameter and the second thermal data to estimate at least one electric parameter of each of the solar modules of the second set of solar modules.
Resumen de: WO2026194086A1
A photovoltaic arc fault protection apparatus and a photovoltaic system. The photovoltaic arc fault protection apparatus comprises an arc extinguishing module (110), a control module (120), and a power supply module (130); a first end and a second end of the arc extinguishing module are connected in series to a photovoltaic string; the power supply module is connected to a positive output terminal (P+) and a negative output terminal (P-) of a photovoltaic module (210) of the photovoltaic string; the power supply module is connected to the control module; the control module is connected to a control end of the arc extinguishing module; the power supply module is configured to acquire electric energy from the photovoltaic module to supply power to the control module; the control module is configured to control the arc extinguishing module to be periodically turned off for a short time period, so as to perform arc fault protection. The present solution can use a photovoltaic power station having a plurality of string specifications to efficiently and conveniently perform arc fault protection on a cable tray between a photovoltaic module and an inverter, thereby reducing the costs of implementing photovoltaic arc fault protection.
Resumen de: EP4811972A1
The present disclosure is applicable to the technical field of solar cells, and provides a solar cell, a cell module, and a photovoltaic system. The solar cell includes: a silicon substrate, including a first region and a second region, where the first region and the second region are located on the same surface or on two opposite surfaces of the silicon substrate; a P-type doped polysilicon layer, at least formed on the first region; and an N-type doped polysilicon layer, at least formed on the second region, where both the P-type doped polysilicon layer and the N-type doped polysilicon layer contain metal impurities; the metal impurities include at least one of iron, copper, cobalt, nickel, and chromium; the N-type doped polysilicon layer includes a first portion close to the silicon substrate, and the P-type doped polysilicon layer includes a third portion close to the silicon substrate; and a concentration of at least one of the metal impurities in the first portion is greater than a concentration of the same metal impurity in the third portion. An impurity absorption effect of the N-type doped polysilicon layer of the solar cell of the present disclosure is better than an impurity absorption effect of the P-type doped polysilicon layer, so that it is conductive to prolonging the life of minority carriers in the solar cell and improving cell efficiency.
Resumen de: EP4811967A1
0001 Provided are a solar cell and a preparation method of the solar cell. The solar cell includes a silicon substrate and a stack structure. The stack structure is provided on a rear surface of the silicon substrate along a thickness direction of the solar cell. The silicon substrate and the stacked structure contain antimony element. The stack structure at least includes a first oxide layer, a first doped polycrystalline silicon layer, a second oxide layer and a second doped polycrystalline silicon layer which are sequentially stacked along the thickness direction of the solar cell. An antimony doping concentration in the second oxide layer is higher than an antimony doping concentration in the first doped polycrystalline silicon layer. Antimony element in the stack structure can be bonded with silicon element, thereby effectively improving the passivation effect, solving the problem of low conductivity of carriers, and thus enhancing the working efficiency of the solar cell. The stack structure has a certain concentration gradient characteristic along the thickness direction of the solar cell, which can improve the conductivity of the carriers in the stack structure, and thereby reducing the series resistance of the solar cell.
Resumen de: EP4811643A1
0001 Embodiments of this application provide a photovoltaic inverter and a derating control method for the photovoltaic inverter. The photovoltaic inverter includes an inverter circuit, a plurality of direct current conversion circuits, and a controller. The plurality of direct current conversion circuits are configured to: perform direct current conversion on a direct current from a photovoltaic module and output a converted direct current to the inverter circuit. The plurality of direct current conversion circuits include a first direct current conversion circuit and a second direct current conversion circuit. The inverter circuit is configured to convert direct currents from the plurality of direct current conversion circuits into alternating currents. When the photovoltaic inverter is in a derating mode, an input voltage of the first direct current conversion circuit is controlled to increase, to decrease output power of the first direct current conversion circuit, so as to decrease output power of the inverter circuit. The input voltage of the first direct current conversion circuit is less than an input voltage of the second direct current conversion circuit.
Resumen de: EP4810142A1
0001 Pyrolytic process for the recovery of products from a starting material composed of silicon wafers with residual layers of organic adhesive separated by photovoltaic panels, comprising the following steps: fragmentation of the starting material, pyrolysis of the fragmented material, condensation of the extracted pyrolysis vapours and separation of an aqueous phase rich in acetic acid and an oil phase rich in fuel oil, separation of non-condensable pyrolysis gases, first leaching of pyrolysis solids with hydrochloric acid, resulting in a first leaching liquid containing aluminium and calcium and a first leaching solid containing silver, leaching of the solid of first leaching with nitric acid, obtaining a second leaching liquid rich in silver and a solid of second leaching rich in silicon.
Resumen de: EP4810739A1
0001 Ein Kunststoff-Dachziegel (1, 1', 1") umfassend einen monolithischen spritzgegossenen plattenförmigen Kunststoffkörper, welcher zu mehr 80 Gew.% aus einem thermoplastischen Polymer gebildet ist, sowie ein Verfahren zu dessen Herstellung, eine Verwendung der Dachziegel und ein Verfahren zur Bereitstellung eines Stapels aus Kunststoff-Dachziegel.
Resumen de: EP4811975A1
The present disclosure is applicable to the field of photovoltaic technology, and provides an HBC cell, a cell assembly and a photovoltaic system. The HBC cell includes: a silicon substrate, first regions and second regions being arranged on a backlight surface of the silicon substrate, and the first regions and the second regions being arranged alternately; wherein a first polarity polysilicon layer is provided in each first region, a second polarity amorphous silicon layer is provided in each second regions, a TCO film layer is covered on both of the first regions and the second regions, an isolation trench is provided in the TCO film layer at each position adjacent to the first region and the second region, and the isolation trench passes through the TCO film layer; and at least a first TCO residue group and a second TCO residue group adjacent to each other are provided in each isolation trench, the first TCO residue group includes a plurality of first TCO residue square rings arranged adjacent to each other in an extension direction of the isolation trench, the second TCO residue group includes a plurality of second TCO residue square rings arranged adjacent to each other in the extension direction of the isolation trench, and adjacent corners of the first TCO residue square rings and the second TCO residue square rings are staggered from each other.
Resumen de: EP4811974A1
The present application is applicable to the field of solar cell technology, and provides a back-contact cell, a cell assembly, and a photovoltaic system. In the back-contact cell, in a first interconnection region, a first conductive grid line has a first discontinuous structure, and the first discontinuous structure includes a plurality of first grid line segments disposed at intervals along a second direction. The first conductive connector covers the first discontinuous structure and is electrically connected to the first grid line segment. In this way, by configuring the first conductive grid line in the first interconnection region as a discontinuous structure and then covering the first discontinuous structure with the first conductive connector to achieve soldering with the soldering members, compared with the conventional method of thickening and widening the fine grid line at the soldering position, this configuration can ensure soldering performance and reduce usage of paste in the preparation of the first conductive grid line, thereby lowering cost.
Resumen de: EP4811653A1
The present disclosure discloses a cavity-free frame and a photovoltaic module. The cavity-free frame includes a frame body, an abutting member, and a limiting member. The frame body includes a load-bearing portion, a support portion, a mounting portion, and a reinforcement portion. The load-bearing portion and the mounting portion are spaced apart, and the support portion being disposed between the load-bearing portion and the mounting portion and connected to the load-bearing portion and the mounting portion. The abutting member is connected to a first end of the load-bearing portion. The limiting member being connected to an end of the abutting member away from the load-bearing portion. The limiting member, the abutting member, and the bearing surface together enclose a mounting groove for installing a laminate member. An opening of the mounting groove facing a second end of the load-bearing portion. The present disclosure can reduce material costs.
Resumen de: EP4811969A1
Provided is a photovoltaic module including adhesive dots, solar cells and solder strips. Adjacent solar cells are connected by the solder strips. The adhesive dots are used to adhere the solder strips to the solar cells. A first side of the solar cell has a first connection region and a second connection region. A second side has a third connection region and a fourth connection region. The first and third connection regions are located at opposite ends of the solar cell. The first connection region is connected to the adjacent third connection region through the solder strip. Each of the first and third connection regions is provided with at least five first adhesive dots. Each of the second and fourth connection regions is provided with a second adhesive dot, so as to improve stability of connection between solder strips and solar cells, improving the quality of solar cells.
Nº publicación: EP4811965A1 23/09/2026
Solicitante:
YUHUAN JINKO SOLAR CO LTD [CN]
JINKO SOLAR HAINING CO LTD [CN]
Yuhuan Jinko Solar Co., Ltd
Jinko Solar (Haining) Co., Ltd.
Resumen de: EP4811965A1
The present invention relates to a back-contact solar cell and a manufacturing method therefor, and a photovoltaic module. The back-contact solar cell includes: a substrate, with a back side provided with a first doped portion and a second doped portion that are arranged alternately; a first doped functional layer located on the first doped portion, wherein the first doped functional layer comprises a first doped semiconductor sub-layer and at least one barrier layer that are sequentially stacked in a direction away from the substrate; a second doped semiconductor layer located on the second doped portion; and a plurality of first conductive portions arranged on a side of the first doped functional layer away from the substrate, and a plurality of second conductive portions arranged on a side of the second doped semiconductor layer away from the substrate.