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162
results.
Updated on
24/10/2026 [07:17:00]
Results 50 to 75 of 162
Absstract of: WO2025124661A1
The invention relates to a wafer-based solar cell comprising a semiconductor wafer that is made of a semiconductor material consisting of silicon and that has a semiconductor wafer surface, at least one p-doped region, and at least one n-doped region, wherein the p-doped region and/or the n-doped region is electrically contacted, via opening regions and current contact regions located therein, with a metal electrode structure attached to the semiconductor wafer surface, and the metal electrode structure covers an electrode cover area on the semiconductor wafer surface, and wherein the semiconductor wafer surface of the wafer-based solar cell has a passivation layer arranged between the semiconductor material and the metal electrode structure, and wherein this passivation layer consists at least in part of an aluminium oxide and/or the metal electrode structure is formed from a metallic material containing, at least in part, aluminium, and wherein the current contact regions pass through the passivation layer and wherein, at the current contact regions, a metal-silicon mixture is formed in a first mixing region in the transition region between the metal electrode structure, the passivation layer, and the semiconductor material. The aim of the invention is to provide a wafer-based solar cell, wherein the wafer-based solar cell has a reduced electrical contact resistance in order to increase the efficiency of the wafer-based solar cell. This aim is achieved by forming, in the cu
Absstract of: CN122397340A
The invention relates to a wafer solar cell, comprising a semiconductor wafer made of a semiconductor material, said semiconductor wafer having a semiconductor wafer surface and at least one p-doped region and at least one n-doped region, wherein the p-type doped region and/or the n-type doped region are/is electrically connected with metal electrode structures arranged on the surface of the semiconductor wafer through an opening region and a current contact region located in the opening region, and each metal electrode structure covers an electrode covering region on the surface of the semiconductor wafer. A passivation layer located between a semiconductor material and a metal electrode structure is arranged on the surface of a semiconductor wafer of the wafer solar cell, the passivation layer is of a double-layer structure composed of a polycrystalline silicon layer and a SiO2 layer, and at least part of the current contact area extends into the polycrystalline silicon layer. It is an object of the present invention to provide a wafer solar cell having a reduced electrical contact resistance, thereby improving the efficiency of the wafer solar cell. This object is achieved in that a through-contact region (9), in which the SiO2 layer is penetrated, is provided at least in some regions in at least one part of the current contact region (5); a metal-silicon mixture is provided at the through-contact region (9) in a mixing region that transitions between the metal electrode s
Absstract of: CN120827009A
The invention relates to a wafer-based solar cell having a semiconductor wafer of monocrystalline or polycrystalline silicon semiconductor material, which semiconductor wafer has a surface of the semiconductor wafer and at least one p-doped region and at least one n-doped region, wherein the p-doped region and/or the n-doped region is in electrical contact with a metal electrode structure through an aperture region and an electrical contact region positioned therein, the metal electrode structure being attached to the surface of the semiconductor wafer, the semiconductor wafer has a semiconductor material, and the metal electrode structure forms an electrode-covered region on the surface of the semiconductor wafer, and wherein the surface of the semiconductor wafer of the wafer-based solar cell has a passivation layer, which is arranged between the semiconductor material and the metal electrode structure, and wherein the electrical contact region is fed through the passivation layer. The object of the invention is to provide a wafer-based solar cell wherein the electrical contact resistance of the wafer-based solar cell is reduced in order to increase the efficiency of the wafer-based solar cell. This object is achieved in that a phase change region (9) is arranged in the semiconductor material at the electrical contact region (5), and the semiconductor material is at least partially amorphous and/or at least partially nanocrystalline in this phase change region (9).
Absstract of: WO2025124655A1
The invention relates to a wafer-based solar cell comprising a semiconductor wafer (1) that is made of semiconductor material and has a semiconductor wafer surface, at least one p-doped region (2), and at least one n-doped region (3), wherein the p-doped region (2) and/or the n-doped region (3) are each electrically contacted, via opening regions (8) and current contact regions (5) located therein, with a metal electrode structure (4) attached to the semiconductor wafer surface, and each metal electrode structure (4) covers an electrode coverage area on the semiconductor wafer surface. According to the invention, the opening regions (8) occupy less than 25%, preferably less than 15%, and particularly preferably less than 10% of the electrode coverage area, and the current contact regions (5) are formed with an area density of 1000 to 50,000, preferably 3000 to 30,000, and particularly preferably 5000 to 15,000 current contact regions (5) per square millimetre of electrode coverage area. The invention also relates to a method for manufacturing such a wafer-based solar cell.
Absstract of: WO2025132166A1
A system (11) for achieving an efficient energy management in a building (13), in particular for a highly efficient use of renewable energies, comprises at least one module array (19, 20) which can be attached to the building (13) and which forms an air duct (29) on the building (13) for enclosing an air cushion (27). The system (11) achieves previously unused synergistic effects by means of an absolutely innovative use, in particular by means of a unique combination of possibly already known or existing technologies, in that energy losses occurring on the building (13) can be reduced to a minimum and used in order to increase the efficiency of devices for generating or converting renewable energies. Embodiments can have an air duct (29) enclosing the building (13) in order to use synergistic effects explained in the description in conjunction with one another. In particular, such an air duct (29) can be connected to an air-to-soil collector (41), a roof ridge draw-off point and a heat pump (37) in order to be able to improve the operating point of the heat pump (37) by supplying heated air. In addition, a systematic construction of insulating layers (for example, with reflective elements on the roof and with controllable insulating materials on the facade) in conjunction with a module array (19, 20) can provide an energy management that is as efficient as possible. Any additional energy requirement can be compensated for by a supplementary innovative system (69) comprising e
Absstract of: WO2025125747A1
The invention relates to a support structure for an agrivoltaic system (1), comprising a frame (3) and movement means (4) mounted on the frame (3) in order to allow the support structure (2) to move over the ground (5), wherein the frame (3) is suitable for resting on the ground (5) via the movement means (4). The support structure comprises an anchoring member (8) configured to be driven into the ground (5) and/or to be secured to a complementary anchoring member (9) driven into the ground (5). The anchoring member (8) is movable between a transport position, in which the anchoring member (8) is at a predefined distance from the ground (5), and an anchoring position, in which the anchoring member (8) is moved closer to the ground (5) relative to the transport position, with a view to being driven into the ground (5) and/or secured to the complementary anchoring member (9).
Absstract of: WO2025124970A1
The invention relates to a method for inspecting a module of a photovoltaic power plant equipped with a plurality of modules each consisting of a plurality of cells. This method comprises: - processing (SIGNcar) an image (IM) of the module under inspection in order to determine a characteristic signature of the module under inspection; - comparing (COMP) the characteristic signature with reference signatures stored in a database (BdD) that associates a reference signature and a serial number with each of a plurality of reference modules; - when the characteristic signature matches one of the reference signatures, assigning the module under inspection the serial number (IDref) of the reference module whose reference signature matches the specific signature.
Absstract of: EP4826993A1
Provided is an apparatus for obtaining information on a cause of a power generation abnormality of a photovoltaic module, the apparatus including a memory in which at least one program is stored, and a processor configured to execute the at least one program, wherein the processor is configured to input a power generation abnormality cause prediction model, information on the photovoltaic module and information related to a sun into the power generation abnormality cause prediction model, determine whether a power generation abnormality of the photovoltaic module has occurred based on the information on the photovoltaic module and the information related to the sun, derive information on a cause of the power generation abnormality of the photovoltaic module based on a result of determining whether the power generation abnormality has occurred, and obtain from the power generation abnormality cause prediction model, the information on the cause of the power generation abnormality.
Absstract of: WO2025223901A1
The invention relates to a surface fastening device (10) for fastening a fastening device (44), preferably for fastening at least one solar or photovoltaic module (46), to an inclined or vertical surface (42), having a clamping unit (12) for clamping the fastening device (44) and a height adjustment device (30) for adjusting the height position of the fastening device (44).
Absstract of: WO2025224012A2
The invention relates to an assembly vehicle (1), in particular an autonomous assembly vehicle (1) for manipulating, in particular for arranging support elements (2) of a support system for photovoltaic modules in the ground.
Absstract of: EP4826992A1
0001 A method of automatically mapping inverters in photovoltaic modules according to one aspect includes receiving a list of pieces of identification information of module-level power electronics (MLPE) devices respectively corresponding to a plurality of photovoltaic modules that are installed, receiving a first image captured using a drone, which includes a plurality of first codes and an installed state of the photovoltaic modules, calculating installation information related to the plurality of photovoltaic modules from the first image and generating a first layout diagram based on the installation information, obtaining position and identification information of the plurality of MLPE devices respectively corresponding to the plurality of first codes by recognizing the plurality of first codes included in the first image, and generating a second layout diagram by modifying the first layout diagram to reflect the obtained position and identification information of the plurality of MLPE devices.
Absstract of: EP4826633A1
The present disclosure relates to a method and apparatus for managing a power system including a plurality of solar modules. According to an embodiment of the present disclosure, provided is a method of managing a power system including a plurality of solar modules, the method including obtaining power generation information for the plurality of solar modules configuring the power system and power transfer information for at least one connection section through which power generated by the plurality of solar modules is transferred, generating information of interest about the power system, based on at least one of the power generation information and the power transfer information, and generating an interface displaying the information of interest on a virtual space representing the power system.
Absstract of: WO2025201908A1
The invention relates to a support device (14) for a roof hook (10), comprising at least two support segments (34, 36, 38), which are preferably interconnected, at least one support segment having at least one component of a fastening device (44) for fastening to the roof hook.
Absstract of: EP4826991A1
0001 Provided are a method and apparatus for monitoring a solar photovoltaic system, wherein the method includes selecting a plurality of components included in a solar photovoltaic system to be monitored, mapping the plurality of components and a connection structure between the plurality of components on a screen of a user terminal, and outputting alarm information notifying an error in at least one of the plurality of components and the connection structure between the plurality of components.
Absstract of: EP4827277A1
0001 The present application provides a photovoltaic module, at least including a front glass (100), a front encapsulation film (200), a cell string (300), and a back encapsulation film (400) arranged in sequence. At least a part of the back encapsulation film (400) includes an oxygen barrier encapsulation film (410), and the oxygen barrier encapsulation film (410) is used to provide oxygen barrier for the front encapsulation film (200). The oxygen barrier encapsulation film (410) includes: an oxygen barrier material layer (411) including a first surface and a second surface opposite to each other; and an encapsulation material layer (412) bonded to the first surface and/or the second surface of the oxygen barrier material layer (411), and used to bond the oxygen barrier encapsulation film (410) to the cell string (300).
Absstract of: EP4826990A1
This innovation simplifies the Photovoltaic Thermal (PVT) Panel concept for tilted roofs by applying a clip that uses the PV carrier also as a heat collector. The clip (4) transfers collected heat into a conduit (3). The invention allows for cost effective tailoring of PVT panels to different sizes originating from roof integration needs for a single layer roof. The invention allows for thermal expansion of the panel while fixing it to the roof and facilitates quick installation of a conduit.The innovation makes a tilted PVT roof substantially more cost effective than traditional PVT panels, that typically have a separate PV carrier and heat collector in standard sizes only.
Absstract of: EP4827282A1
0001 The present disclosure relates to a 0-busbar solar cell (10) and a photovoltaic module (100). The 0-busbar solar cell (10) includes a substrate (11) provided with fingers (12). The fingers (12) are arranged at intervals along a first direction (X). A connection part (13) is disposed between two adjacent fingers (12). The connection part (13) is connected to the fingers (12). The connection part (13) is configured to be connected to a solder strip (20). The connection part (13) includes a first connection portion (131) and second connection portions (132) connected to two ends of the first connection portion (131) along the first direction. A dimension of the second connection portion (132) in a second direction gradually decreases along a direction away from the first connection portion (131). The finger (12) is connected to an end of the second connection portion (132) away from the substrate along a third direction (Z). By arranging the connection part, the possibility of breakage of the finger caused by stress concentration at a joint between the finger and the solder strip is reduced, enabling a stable and reliable connection between the solder strip (20) and the 0-busbar solar cell (10). The width of the second connection portion (132) gradually decreases along a direction towards the finger (12), which reduces the light shielding area of the connection part and improves the photoelectric conversion efficiency of the 0-busbar solar cell.
Absstract of: GB2636587A
A photovoltaic device 20 comprises an electrode layer 21 in electrical contact with a photovoltaic component 22; a first metallic array 23 connectable to an electric circuit and being arranged across a surface of the electrode layer; an intermediate barrier layer (IBL) 24 provided across and encapsulating the electrode layer and the first metallic array; and a second metallic array 25 connectable to an electric circuit, arranged across a surface 24a of the intermediate barrier layer and electrically connected to the first metallic array 23. The electrical connection between the first and second metallic arrays may be through diffusion of the second metallic array material into the IBL. The IBL may be suitable for protection against high level radiation, for example in extra-terrestrial applications, may comprise a stack of multiple bilayers, may comprise metal oxides and/or metal oxynitrides, and may be optically transparent. The second metallic array 25 may be spatially aligned with the first metallic array 23 and may be placed using electrically conductive adhesive (ECA). Multiple devices may be linked to form a photovoltaic module.
Absstract of: WO2025125194A1
Various embodiments provide a solar cell assembly comprising a plurality of solar cells interconnected by a foil-wire electrode assembly. The foil-wire electrode assembly comprising a plurality of conductive elements and a plurality of foil portions including front foil portions laminated on respective front surfaces of the plurality of solar cells, and rear foil portions laminated on respective rear surfaces of the plurality of solar cells. The rear foil portions have a higher reflectance than the front foil portions. Some other embodiments provide a solar module, a foil-wire electrode assembly, and a method of manufacturing a solar cell assembly.
Absstract of: WO2025125199A1
Various embodiments provide a method of passivating a plurality of solar cells (12) arranged within an at least partially manufactured solar module (10). The solar module comprises a plurality of solar cells (12) and an electrical assembly that connects the plurality of solar cells together into one or more strings of solar cells. The electrical assembly is connectable to an electrical circuit (42) which is external to the solar module. The method comprises: connecting the electrical assembly to an external electrical circuit (42) that comprises a current supplier (44); and supplying a forward current to the plurality of solar cells using the current supplier. The step of supplying the forward current is conducted before lamination of the solar module or after lamination of the solar module. Some other embodiments provide a method of at least partially manufacturing a solar module.
Absstract of: CN122397205A
The present invention relates to a sandwich panel comprising a photovoltaic active area disposed on an outer panel and whose upper electrical connector, corresponding to the underground electrical connector, is disposed in an upper cavity disposed within an insulating material in an upper half of the sandwich panel, corresponding to the underground electrical connector, in a lower cavity disposed within an insulating material in a lower half of the sandwich panel, corresponding to the underground electrical connector. The lower cavity is arranged in the insulating material in the lower half part of the sandwich panel, and the upper cavity and the lower cavity are adjacent to a longitudinal groove in the inner central part of the inner panel and are both adjacent to a first longitudinal side of the insulating material or are both adjacent to a second longitudinal side of the insulating material; the insulating material has a longitudinal groove such that the first upper electrical connector, the respective first lower electrical connector, can be accessed from the upper cavity, the respective lower cavity along one longitudinal side of the insulating material, and can be connected through the longitudinal groove.
Absstract of: WO2026210056A1
The invention relates to a floating solar tracker (200) including two side floats (220) and at least one central chamber (100) arranged therebetween. The central chamber (100) has an open-bottomed profile that allows the entry of water, and an internal geometry with two cavities separated by outer walls (L1) and at least one inner wall (L2). The system includes a support structure that connects the chamber and the floats and on which at least one photovoltaic module (230) is mounted. The inclination of the tracker is adjusted using at least a pneumatic control system that independently adjusts the buoyancy of the cavities by introducing or releasing air, thereby generating controlled movement for solar tracking. This design allows a stable balanced position without moveable mechanical components, optimising solar radiation capture on bodies of water.
Absstract of: FR3174204A1
Panneau solaire isolant (1) composé d’une pluralité de tubes solaires sous vide (2) disposés parallèlement et accolés les uns aux autres de manière à former un panneau (1) globalement étanche à l’air ambiant et isolant thermiquement. Des panneaux solaires photovoltaïques (10) sont disposés au-dessus du panneau solaire isolant (1) de manière à recevoir le rayonnement solaire (12), à ombrager ledit panneau solaire isolant (1) et à laisser un espace entre les deux panneaux (1 et 10) pour permettre la circulation d’un flux d’air (5) qui s’échauffe (6) au contact de la face du dessous (9) du panneau photovoltaïque (10). Les tubes solaires (2) reçoivent par ailleurs le rayonnement infra-rouge (8) émis par la face du dessous (9) du panneau photovoltaïque (10) ce qui permet le chauffage du flux d’air (3) qui traverse lesdits tubes solaires (2). Au final le dispositif a capturé l’énergie solaire sous forme photovoltaïque (10), thermique par conduction (5,6) et thermique par irradiation (3,4) cela avec un minimum de déperdition et avec l’utilisation de surfaces très isolantes (1) qui permettent par ailleurs l’isolation thermique efficace d’espaces de stockage. Figure pour l’abrégé: Fig.2
Absstract of: WO2026215527A1
The invention relates to a gutter beam intended to form part of a frame (20) of a structure forming a protective roof (10) provided with covering elements in the form of panels (P), in particular solar panels, the gutter beam being characterised in that it has ends (210) bevelled at substantially 45°, a channel (230) for collecting rainwater, and a technical passage for accommodating wiring means intended to be connected to the panels (P), the gutter beam (200) having a J-shaped profile having a vertical web in the form of a box (240) having an external wall (246) from which there extends at least one first horizontal branch (260) terminated by a rim (262), the rim (262) protruding from the upper surface of the first horizontal branch (260) in order to form the channel (230) for collecting rainwater.
Nº publicación: WO2026214844A1 15/10/2026
Applicant:
ETEC AUTOMATION OY [FI]
ETEC AUTOMATION OY
Absstract of: WO2026214844A1
A control system for controlling a photovoltaic module (101) comprises a drive mechanism (102) configured to adjust the tilt angle () of the photovoltaic module and a controller (104) communicatively connected to the drive mechanism and configured to control the tilt angle The control system comprises a snow detector (105) communicatively connected to the controller and configured to detect snow accumulated on a photovoltaic surface (103) of the photovoltaic module. The controller is configured to drive the tilt angle to a snow removal value (SR) in response to a detection of snow accumulated on the photovoltaic surface. The snow removal value of the tilt angle is at least 80 degrees. Thus, the photovoltaic surface is turned to a vertical or near vertical position when there is snow accumulated on the photovoltaic surface to shed to snow away from the photovoltaic surface.
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