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SOLAR CELL AND PREPARATION METHOD THEREOF

Resumen de: AU2026200689A1

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. resistance of the solar cell. an a n { an a n

Solarzellenstruktur zur Ausbildung einer photovoltaischen Solarzelle und Verfahren zu deren Herstellung

Resumen de: DE102025111853A1

Vorgeschlagen wird eine Solarzellenstruktur (1) zur Ausbildung einer photovoltaischen Solarzelle, mit einem Siliziumsubstrat (100), das eine Basisdotierung des n-Typs oder des p-Typs aufweist, und mit einer an einer Vorderseite (VS) des Siliziumsubstrats (100) angeordneten Vorderseitenstruktur (200) und einer an einer Rückseite (RS) des Siliziumsubstrats (100) angeordneten Rückseitenstruktur (300), die sich dadurch auszeichnet,dass die Vorderseitenstruktur (200) eine dielektrische Vorderseitentunnelschicht (210) und eine polymorphe oder polykristalline, siliziumhaltige Vorderseitenhalbleiterschicht (220) eines Vorderseitendotierungstyps aufweist, wobei die Vorderseitentunnelschicht (210) zwischen Vorderseitenhalbleiterschicht (220) und Siliziumsubstrat (100) angeordnet ist, dass die Rückseitenstruktur (300) eine dielektrische Rückseitentunnelschicht (310) und eine polymorphe oder polykristalline, siliziumhaltige Rückseitenhalbleiterschicht (320) eines Rückseitendotierungstyps aufweist, wobei die Rückseitentunnelschicht (310) zwischen Rückseitenhalbleiterschicht (320) und Siliziumsubstrat (100) angeordnet ist,dass eine der beiden Schichten Vorderseitenhalbleiterschicht (220) und Rückseitenhalbleiterschicht (320) eine n-Dotierung mit einer Dotierkonzentration größer 1019cm-3, bevorzugt größer 5*1019cm-3, höchst bevorzugt größer 1020cm-3,aufweist und die andere der beiden Schichten eine p-Dotierung mit einer Dotierkonzentration größer 1019cm-3, bevorzugt größ

SOLAR CELL STRING

Resumen de: WO2026204294A1

Provided is a solar cell string (1) comprising: a plurality of solar cells (10) that each have a front surface electrode pattern (16) which has a plurality of front surface finger electrodes (161), a perovskite photoelectric conversion layer (14), a crystalline silicon photoelectric conversion substrate (11), and a rear surface electrode pattern (13) which has a plurality of rear surface finger electrodes (131) and a rear surface bus bar electrode (132), and that are disposed such that ends thereof overlap; a plurality of conductive adhesives (21) that are respectively disposed on the plurality of front surface finger electrodes (161) to connect the front surface finger electrodes (161) to the rear surface bus bar electrodes (132) of the solar cells (10) facing each other; and an insulating adhesive (22) that are disposed between the front surface finger electrodes (161) to connect the solar cells (10) facing each other.

FENCE/ RAILING STRUCTURE

Resumen de: US20260297977A1

0000 An improvement of fence/railing structure comprising components formed from composite materials composed of aluminum alloy or high-strength fibers combined with weather-resistant resin. These components are connected using quick-assembly methods such as snap-fit and mortise-and-tenon joints, allowing for easy disassembly and reassembly. The fence/railing can be equipped with a human detection sensor, a weather sensor, a LED light strip, and a buzzer. This configuration enables the fence/railing to function effectively in various weather conditions or harsh environments. When intruders are detected or severe weather is sensed, the system emits flashing lights and audible alarms to provide comprehensive safety protection.

PHOTOVOLTAIC CELL, MODULE AND SYSTEM

Resumen de: WO2026199893A1

The present disclosure relates to the technical field of solar cells, and specifically disclosed are a photovoltaic cell, module and system. The cell comprises a substrate, a doped layer disposed on a second surface of the substrate, and a TCO layer. The TCO layer comprises a main body portion and a micro leakage channel portion, wherein the main body portion is arranged on the side of the doped layer facing away from the substrate, and the micro leakage channel portion extends from at least part of an edge of the main body portion to the outer side of a side surface of the substrate.

SOLAR CELL AND METHOD FOR PRODUCING SOLAR CELL

Resumen de: WO2026204401A1

Provided is a solar cell (1) that is in the form of a short strip, that comprises a first bus bar electrode (41) and a plurality of first finger electrodes (31), and that is used to form a solar cell string via shingling connection in which adjacent solar cells (1) are connected in a manner facing each other in the Z-axis direction at the position of the first bus bar electrode (41). The first bus bar electrode (41) has a first overlap part (411) that overlaps with the ends of the plurality of first finger electrodes (31) and a first non-overlap part (412) that is positioned toward the opposite direction from the direction in which the plurality of first finger electrodes (31) extend and that does not overlap with the ends of the plurality of first finger electrodes (31). The first overlap part (411) protrudes further from the cell surface than the first non-overlap part (412).

SOLAR CELL, MANUFACTURING METHOD THEREFOR, AND PHOTOVOLTAIC MODULE

Resumen de: EP4815677A1

A solar cell includes a substrate having a first region, a second region, and a transition region located on a back surface thereof; a first tunneling layer on the first region; a first doped conductive layer on the first tunneling layer; a second tunneling layer on the second protrusion; a second doped conductive layer on the second tunneling layer; a third doped conductive layer including: a first part a sidewall of the first doped conductive layer, a second part on a sidewall of the transition region, and a third part extending from an end of the second part in a direction away from the first region towards the second region. The first doped conductive layer has doping ions of a first type, and the third doped conductive layer has doping ions of a second type different form the first type.

PHOTOVOLTAIC INVERTER AND CONTROL METHOD THEREOF

Resumen de: EP4815285A1

0001 This application discloses a photovoltaic inverter and a control method thereof, and relates to the field of energy technologies, to accurately detect a parallel impedance to ground of a photovoltaic array and the photovoltaic inverter, so as to control, based on the parallel impedance to ground, the photovoltaic inverter to be safely connected to a grid. The photovoltaic inverter includes a boost Boost circuit, a first resistor, a second resistor, a positive electrode of a direct current bus, a negative electrode of the direct current bus, an inverter circuit, and a controller. The controller in the photovoltaic inverter is configured to control, when a preset condition is met, an output voltage of an optimizer array to decrease, where the preset condition includes at least one of the following: a difference between a negative bus voltage and a bus voltage is greater than or equal to a preset threshold, or the output voltage of the optimizer array is greater than the bus voltage. The bus voltage is an absolute value of a voltage difference between the positive electrode of the direct current bus and the negative electrode of the direct current bus, and the negative bus voltage is an absolute value of a voltage difference between a protection ground cable and the negative electrode of the direct current bus.

BACK CONTACT CELL AND PHOTOVOLTAIC MODULE

Resumen de: EP4815680A1

0001 A back contact cell includes: a substrate having a first edge; first and second doped conductive layers alternately distributed on the second surface; first grid lines and second grid lines alternately arranged along a first direction; first and second connection lines alternately arranged along a second direction, wherein a respective first connection line is electrically connected to a respective set of the first grid lines including edge connection lines and intermediate connection lines, the edge connection lines have no welding portions, a second connection line adjacent to the edge connection lines includes a plurality of functional portions spaced apart from each other; a connection structure having a first end electrically connected to an edge connection line.

METHOD AND SYSTEM FOR INSPECTING A STACKED SOLAR CELL

Resumen de: EP4815297A1

0001 Die Erfindung betrifft ein Verfahren und ein System zur Untersuchung einer Stapelsolarzelle sowie eine Verwendung einer Multispektralkamera zur Untersuchung einer Stapelsolarzelle. Ein Verfahren zur Untersuchung einer Stapelsolarzelle (1) umfasst Erfassen (20) von Lumineszenzsignalen (5) einer Stapelsolarzelle (1) in mehreren Farbkanälen (K1, K2, K3), wobei die Lumineszenzsignale (5) überlagerte Einzelsignale (7, 8) unterschiedlicher Solarzellen (2, 3) der Stapelsolarzelle (1) enthalten, und Berechnen (22) von Einzelsignalen (7, 8) einer Solarzelle (2) der Stapelsolarzelle (1) aus den erfassten Lumineszenzsignalen (5).

Method and system for determining the reflectivity rate of mirrors in concentrated solar power plants through nighttime image analysis and artificial intelligence

Resumen de: MA71200A1

The invention relates to a method and system for determining in real time the reflectivity rate of mirrors during nighttime inspections in concentrated solar power (CSP) plants, using nighttime images and artificial intelligence (AI) models. These models are well-suited to the actual operating conditions of CSP plants and the specific issues related to dust accumulation on mirrors.The method includes :a) one or more flat or curved mirrors placed in a nighttime environment;b) an image-capturing element positioned approximately perpendicular to the center of the mirror, at a specific distance, with an optimal zoom setting and a flash light source ensuring uniform illumination of the entire mirror surface;c) a geolocation element allowing precise geographic coordinates to be associated with each captured image;d) a transmission element for sending images to processing and visualization units;e) an image analysis element integrating AI models to segment the mirrors, eliminate reflections from the CSP mechanical structures, and accurately predict the reflectivity of segmented mirrors to determine cleaning needs;f) a decision-making element to determine cleaning requirements.This method can be combined with mobile inspection systems such as drones, robots, or other autonomous vehicles, offering a flexible and efficient solution for CSP plant maintenance outside of operating hours. This innovative solution helps reduce maintenance costs while increasing the profitability and efficie

A BOX AND BALLAST STORAGE SUPPORT SET FOR THE INSTALLATION OF PHOTOVOLTAIC PANELS

Resumen de: EP4815295A1

It refers to a set (1) that is composed of a box (2) formed by the base (4), which houses a pair of supports (3) designed to support the structure (ES) of a photovoltaic (PV) panel. The box (2) has vertical grooves (5) on the outer face, which turn into reinforcing ribs (6) on the inside. The base (4) has a central sectioning (7) that creates two housings (8A) and (8B) for the filling of ballast (L); the upper perimeter (S) of the base (4) is formed by an edge (9) which, on the rear face (P), is raised (10) and features a horizontal edge (9A) and a curved edge (9B) with three holes (F1). The edge (9) becomes a slanted edge (9C) on the front face (F); the pair of supports (3) has an edge (11) at the bottom (IN) with a curve (11A) aligned with the curved edge (9B) of the base. This curved edge has 90° folds at the ends, forming two flaps (12) and contains equidistant holes (F2) as well as end housings (13) for rods (14) that connect the supports. Each flap (12) also has holes (F3) and is closed laterally by a plate (15) with longitudinal channels (16) that reinforce the structure.

PPM Tracking Device Based on a New Adaptive P&O Method Implemented at Low Cost with Arduino Uno for Photovoltaic Systems

Resumen de: MA70865A1

The present invention proposes an innovative maximum power point (MPP) tracking device, optimized for photovoltaic (PV) systems. Based on an advanced Perturber and Observer (P&O) algorithm and integrated Proportional-Integral (PI) control, this device incorporates a Maximum Power Point Tracking (MPPT) method with an adaptive step size mechanism. By replacing the traditional voltage disturbance with a current disturbance, tracking accuracy and efficiency are considerably enhanced, thus reducing energy losses. The whole package is implemented on a low-cost Arduino Uno microcontroller, using C++ code optimized to integrate PI control directly, eliminating the need for external components. This solution offers enhanced performance, simplified architecture and reduced costs, outperforming not only conventional methods but also advanced techniques such as Particle Swarm Optimization (PSO) and Fuzzy Logic Control (FLC).

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

Resumen de: EP4815678A1

A photovoltaic cell is provided and includes a substrate, having a first surface and a second surface opposite to each other. The first surface includes first regions and second regions alternately arranged in a first direction. The photovoltaic cell includes grooves, located in the substrate at the second regions and recessed into the substrate. A single groove includes a bottom surface, and a side wall connecting the bottom surface to a first region adjacent to the bottom surface. The side wall includes at least one slope inclined towards the first region. The bottom surface is provided as a first textured surface including a plurality of first pyramids, the side wall includes a second textured surface including a plurality of second pyramids, and a single first pyramid of the plurality of first pyramids has a height greater than a height of a single second pyramid of the plurality of second pyramids.

UN SISTEMA DE CONTROL DE SOPORTE, SOPORTE DE SEGUIMIENTO FLEXIBLE Y EQUIPO FOTOVOLTAICO

Resumen de: CN118732714A

The invention discloses a bracket control system, a flexible tracking bracket and photovoltaic equipment, which are applied to control the photovoltaic flexible tracking bracket, and comprise a first controller connected with a first motor of a first bracket unit; the second controller is in wireless connection with the first controller and is connected with a second motor of the second bracket unit; the first controller is configured to drive the first motor to operate based on a received first instruction and send a second instruction to the second controller; the second controller is configured to drive the second motor and the first motor to operate synchronously based on a received second instruction, and the angle of the flexible cable bearing structure is jointly adjusted. According to the flexible tracking support, angle control between the support units of the flexible tracking support can be coordinated, the problems of difficult support layout, component distortion, breakage and the like caused by factors such as terrain fluctuation and the like are solved, the angle adjusting efficiency and the production cost of the flexible tracking support are improved, installation of the flexible tracking support adapts to various complex terrains, and the application scene is expanded.

MICROINVERTER

Resumen de: EP4815296A1

The present disclosure relates to a microinverter. The microinverter may include a case having an internal space in which a circuit board is disposed, a potting material stored in the internal space of the case and configured to cover the circuit board, and a heat dissipation structure which is disposed to pass through the case and has one side exposed to the outside of the case and the other side in contact with the potting material.

SOLAR CELL AND PHOTOVOLTAIC MODULE

Resumen de: EP4815682A1

0001 A solar cell includes: a substrate, where the substrate has a first surface and a second surface opposite to the first surface, the first surface has first regions and second regions alternatingly arranged thereon, and the second regions are grooves with respect to the first regions; a passivation contact structure located at least over the first regions, where the passivation contact structure has a first side surface abutting one of the grooves, the one of the grooves has a second side surface, one of the first side surface and the second side surface has a recess recessed; a passivation layer covering a surface of the passivation contact structure and inner wall surfaces of the grooves; and a first electrode arranged on the passivation layer and electrically connected to the passivation contact structure. The solar cell can at least improve the photoelectric conversion efficiency.

SOLAR CELL, METHOD FOR PREPARING THE SAME AND PHOTOVOLTAIC MODULE

Resumen de: EP4815676A1

Provided are a back contact solar cell, a method for preparing the same, and a photovoltaic module. The back contact solar cell includes a substrate, a first passivation contact layer, a doped oxide layer, a second passivation contact layer and a connecting layer. The substrate has a first surface and a second surface opposite to the first surface. The first surface includes alternating first doped regions and second doped regions. The first passivation contact layer is over the first doped regions. The doped oxide layer includes a first portion and a second portion. The first portion is located on a surface of the first passivation contact layer facing away from a first doped region, and the second portion extends from an end of the first portion towards a second doped region to be over the second doped region. The second passivation contact layer is over the second doped regions.

ORIENTATION OF AT LEAST ONE SOLAR PANEL

Resumen de: WO2025108576A1

The invention relates to a device for the orientation of at least one solar panel, comprising two mounts spaced apart from one another, at least one solar panel and at least four cable portions, wherein each cable portion is movably supported on one mount in each case, and the cable portions are attached in at least an edge and/or corner region of the at least one solar panel, as a result of which a solar panel is arranged between the mounts.

SYSTEMS AND METHODS FOR PROTECTING A SOLAR MODULE

Resumen de: US20250167723A1

0000 Solar panels in a solar farm may suffer damage from severe hail damage during operation. Damaged solar panels need to be repaired or replaced. Given that a solar farm is typically located in remote areas, service or replacement will inevitably take extra time and effort, resulting in additional costs. The present invention discloses systems and methods for solar module protection using protective screens covering the back sides of the solar panels to avoid or minimize severe environmental impacts. Solar panels may be rotated to a protective position with their backsides and protective screens oriented upward. Such implementation provides a practical solution to protect the solar panels from hail damage, and thus, the need for costly repairs or replacement may be avoided or minimized. As a result, the economic efficiency of solar farm operations may be improved significantly.

IN-SITU SOLAR TRACKER MANUFACTURING

Resumen de: US20250164154A1

A method for manufacturing a continuous torque tube of a solar tracking system on site includes the steps of: placing raw material at a rolling apparatus on site; shaping the raw material into torque tube components at the rolling apparatus on site; joining the shaped torque tube components output from the rolling apparatus on site to create a continuous torque tube; and placing solar modules at the continuous torque tube to create a continuous solar tracker row.

SOLAR CELL AND MANUFACTURING METHOD THEREFOR, AND PHOTOVOLTAIC MODULE

Resumen de: EP4815683A1

Provided are a solar cell and a photovoltaic module. The solar cell includes a substrate having a first surface and an opposing second surface. The first surface includes a first region and a second region alternately formed along a first direction, and the first region has a first textured surface that includes a plurality of first pyramids. A respective first pyramid of at least some of the plurality of first pyramids includes a main body portion and enclosing portions formed on a lateral surface and connected along a direction perpendicular to the lateral surface. The main body portion is a pyramid-like structure having a plurality of lateral edges connected with adjacent lateral edges, and a respective enclosing portion of the enclosing portions extends toward the bottom surface along a second direction. A protruding block protruding relative to the bottom surface is formed at an end of the respective enclosing portion.

DEPLOYABLE CHASSIS FOR SOLAR PANELS

Nº publicación: MA74069A1 30/09/2026

Solicitante:

ECOSUN INNOVATIONS [FR]
ECOSUN INNOVATIONS

Resumen de: MA74069A1

The present invention relates to a deployable chassis (1) for solar panels, characterized in that it comprises: - a set of frames (3), each frame being arranged to receive a solar panel, - a set of hinges (4) connecting said frames to one another so as to allow said chassis to be manipulated between a folded position, in which said frames are arranged against one another, and a deployed position, in which said frames extend next to one another, each of said frames comprising at least two adjustment mechanisms (7), which are respectively arranged at at least two adjacent corners of said frame, each adjustment mechanism connecting two edges (8) of said frame and being arranged to permit adjustment of the position of said two edges relative to each other along at least a longitudinal axis or a transverse axis of said frame.