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SOLAR CELL AND PHOTOVOLTAIC MODULE

Resumen de: US20260344102A1

The present disclosure provides a solar cell and a photovoltaic module. The solar cell includes a silicon substrate having a back side including a P-type doped region and an N-type doped region alternately arranged. The P-type doped region corresponds to a P-type doped layer, and the N-type doped region corresponds to an N-type doped layer. An isolation channel is disposed between the P-type doped region and the N-type doped region adjacent to each other. A bottom surface of the isolation channel is provided with a first textured structure. A height difference between the P-type doped layer and the first textured structure is defined as H1, a height difference between the N-type doped layer and the first textured structure is defined as H2, and H1>H2. A sidewall of the isolation channel adjacent to the P-type doped region is provided with at least two reflective branches.

SOLAR TRACKING SYSTEM WITH REVERSIBLE TRACKER DRIVE ASSEMBLY

Resumen de: US20260342274A1

A system for controlling rotation of torque tube in a solar energy system is provided. In one form, the system includes an electric motor, a back-drivable gear assembly configured for coupling the electric motor to the torque tube, and a control module configured to control various operational aspects of the electric motor.

Solar Module Attachment Devices

Resumen de: US20260342272A1

A module attachment device may include: a bracket coupled to a portion of a support structure, the bracket may include: opposing sidewalls, defining a space; and at least one wing, which may include a first portion extending from a first sidewall and a second portion extending from the first portion and at least partially overlapping the first portion; a seat rotatably coupled with the bracket and configured to support at least a portion of the solar panel module thereon; and a claw defining an opening. The opening may be configured to receive the seat and a portion of the solar panel module. The claw, the seat, and the portion of the solar panel module supported by the seat may be rotatable about the bracket. The space may be configured to receive the claw and the seat. Upon rotation, the second portion may be configured to support the solar panel module.

ROOF MOUNT WITH RELEASE MECHANISM

Resumen de: US20260342273A1

A system and a method of securing and sealing a roof attachment to a roof surface is disclosed. A roof attachment may include a base, a protective covering, volume of sealant, and a release mechanism. The release mechanism includes one or more release slides. The release slides may have one or more mechanism apertures to receive a fastener. The release slide may have one or more flexible tabs that cooperate with one or more indentation or flanges or grooves in base to substantially retain the release slide.

POWER MODULE, POWER CONVERTER, AND PHOTOVOLTAIC POWER GENERATION SYSTEM

Resumen de: US20260343726A1

A power module includes a substrate, a power device, a package body, and at least two pins. The power device is electrically connected to the substrate. The package body may package the substrate and the power device. The pin is electrically connected to the substrate and penetrates the package body, to extend out of the power module and connect to the circuit board. A protrusion or a groove is provided on a side that is of the package body and that is away from the substrate, and the protrusion or the groove is at least partially located between two adjacent pins. When a current flows through the pins, even if a spacing between the two adjacent pins is shortened, the protrusion or the groove between the two pins can increase a creepage distance between the two pins, so that working and safety performance of the power module are improved.

POWER MODULE AND POWER CONVERSION DEVICE

Resumen de: US20260344422A1

A power module includes a power component, an insulating substrate, a composite substrate, and a heat sink. In a thickness direction of the insulating substrate, the power component, the insulating substrate, the composite substrate, and the heat sink are sequentially disposed. The heat sink includes an accommodation cavity and a mounting hole, and at least a part of the composite substrate is accommodated in the mounting hole and seals the accommodation cavity. The composite substrate includes a first connecting piece and a second connecting piece that are connected. The first connecting piece is connected to the insulating substrate, a side wall of the second connecting piece is connected to a hole wall of the mounting hole. In a direction perpendicular to the thickness direction of the insulating substrate, a maximum size of the second connecting piece is greater than or equal to a maximum size of the first connecting piece.

MOUNTABLE ELECTRICAL ENCLOSURE WITH CONDUIT PASSTHROUGH

Resumen de: US20260342061A1

A junction box mountable on a roof surface, comprising a housing unit and an enclosing unit, the housing unit and the enclosing unit combining to form a waterproof assembly. The housing unit is mountable to a roof surface via a flashing having a continuous, raised waterproofing track that mates with a waterproofing recess in a bottom surface of the housing unit to create a waterproofing zone inside the housing unit. At least one bottom pass through is located within the waterproofing zone and provides a channel from the internal housing area through the roof surface.

PHOTOVOLTAIC ENERGY STORAGE SYSTEM

Resumen de: US20260342092A1

This application provides a photovoltaic energy storage system, including an inverter and an energy storage apparatus. The inverter includes a direct current conversion circuit, a direct current bus, an inverter circuit, and a switch. The switch is configured to control disconnection between a negative input end of the direct current conversion circuit and the positive electrode of the direct current bus and connection between the negative input end of the direct current conversion circuit and the negative electrode of the direct current bus, or the switch is configured to control connection between the negative input end of the direct current conversion circuit and the positive electrode of the direct current bus and disconnection between the negative input end of the direct current conversion circuit and the negative electrode of the direct current bus.

PHOTOVOLTAIC MODULE AND MANUFACTURING METHOD THEREOF

Resumen de: US20260344110A1

A photovoltaic module and a manufacturing method thereof are provided. The photovoltaic module includes at least two first cell strings arranged along a second direction. Each respective cell string of the first cell strings includes back-contact cells arranged sequentially along a first direction, and further includes first ribbons, at least one first covering film, second ribbons, second covering films and first wiring members. Each first ribbon extends along the first direction and has two ends respectively disposed on two adjacent back-contact cells. Each first covering film covers a surface of at least one intermediate cell of the intermediate cells. The second ribbons are arranged on at least one of the end cells. Each First wiring member is disposed on a respective intermediate cell adjacent to a corresponding end cell, and on a side of the at least one first covering film away from the back-contact cells.

PURLIN, PURLIN ASSEMBLY AND PHOTOVOLTAIC BRACKET

Resumen de: EP4832340A1

Purlins, purlin assemblies and photovoltaic brackets are disclosed. The purlin assembly comprises a purlin and two clamps. The purlin comprises two first plates and a second plate forming a receiving groove, where the clamps are pivoted via pre-installation rivets. One side of the purlin and the clamps jointly fasten a main shaft. The other side connects to photovoltaic modules. The purlin comprises a central region and two end regions. In the central region, the second plate and the receiving groove form convex shapes wider at center. Uniform load transfer and structural rigidity are achieved through surface fitting and rigid-flexible coupled force transmission. The reinforcing protrusion at the purlin's center, combining optimized diagonal force transmission, disperses dynamic loads. With pre-installation rivets and pivoted clamps, high-precision pre-installation and modular pivoting structure are achieved, facilitating non-destructive disassembly-assembly, robot gripping and automated construction.

COMBINER STRUCTURE, PHOTOVOLTAIC MODULE AND MANUFACTURING METHOD THEREFOR

Resumen de: EP4832694A1

Disclosed are a combiner structure, a photovoltaic module, and a manufacturing method therefor. The combiner structure is disposed between two adjacent cell strings in the photovoltaic module. The combiner structure includes: an adhesive layer, adhered to a backsheet of the photovoltaic module; a conductive layer, provided on the adhesive layer, electrically connected to bus bars of two adjacent cell strings; and a reflective layer, provided on the conductive layer, used to reflect light incident on the combiner structure. Thus, the combiner structure is fixed to the backsheet of the photovoltaic module through the adhesive layer eliminating the need for an additional insulation process for the combiner structure, thereby reducing complexity and lowering production cost. Moreover, through the electrical connection between the conductive layer and the two adjacent cell strings, the shading on the cell strings is reduced, avoiding occupation of an internal space by the combiner structure.

METHOD AND APPARATUS FOR PROVIDING INFORMATION ABOUT PHOTOVOLTAIC POWER GENERATION SYSTEM

Resumen de: EP4832345A1

0001 An apparatus includes at least one memory; and at least one processor, wherein the at least one processor outputs an initial screen displaying a plurality of devices included in the solar photovoltaic system and a connection relationship between the plurality of devices, acquires power information for each of the plurality of devices, and outputs a screen in which the initial screen is changed so that a transfer of power between the plurality of devices is expressed in real time based on the power information.

SOLAR CELL MODULE AND PHOTOVOLTAIC POWER GENERATION SYSTEM

Resumen de: EP4832693A1

The present application provides a solar cell module, where a solar cell (103) is located between a first encapsulant film (102) and a second encapsulant film (104). At least one of the first encapsulant film (102) and the second encapsulant film (104) independently satisfies: an average transmittance for light from 280 nm to 320 nm is less than or equal to 5%, an average transmittance for light from 320 nm to 330 nm is from 25% to 30%, an average transmittance for light from 330 nm to 340 nm is from 60% to 65%, an average transmittance for light from 340 nm to 350 nm is from 85% to 88%, an average transmittance for light from 350 nm to 360 nm is from 88% to 90%, and an average transmittance for light in a wavelength range above 360 nm is greater than or equal to 90%.

A STATIONARY MOUNTING FOR A PHOTOVOLTAIC PANEL

Resumen de: EP4832341A1

0001 A stationary mounting (10) for a photovoltaic panel for fixing on a flat roof (29), which flat roof (29) is covered with a waterproof membrane (25), comprises a flat metal base plate (11), a threaded stud (15) welded to the base plate (11) and is upstanding therefrom. The base plate 11 is bonded, in use, to the waterproof membrane (25). A spacer (18) is attachable at one end thereof to the threaded stud (15), a circular piece (20) of membrane material, which is compatible with the waterproof membrane (25), is positioned between the base plate (11) and the spacer (18), with the threaded stud (15) passing through a central aperture (21) in the circular piece (20). A threaded opening (22), at the opposite end (23), of the spacer (18), is used for attaching the photovoltaic panel to the stationary mounting (10). The threaded stud (15), the threaded aperture (26) and the threaded opening (22) all lie on the same axis.

SOLAR CELL AND MANUFACTURING METHOD THEREFOR, AND PHOTOVOLTAIC MODULE

Resumen de: EP4832697A1

0001 The present application discloses a solar cell and a production method therefor, and a photovoltaic module. The solar cell includes: a semiconductor substrate, where the semiconductor substrate has a first surface and a second surface opposite to the first surface; and a first semiconductor layer provided on the first surface, where the first semiconductor layer includes a first part and a second part that is adjacent to the first part along a second direction. A degree of crystallization of the first part is higher than a degree of crystallization of the second part. The first semiconductor layer includes at least one of amorphous silicon, nanocrystalline silicon, and microcrystalline silicon. A crystallized region and an uncrystallized region that are both proper are provided on the first semiconductor layer, so that overall cell efficiency of the solar cell is optimized based on the higher degree of crystallization of the first part, thereby improving the cell efficiency. In addition, a passivation effect of the second part is ensured based on the lower degree of crystallization of the second part, thereby avoiding electric leakage.

SYSTEM FOR THE GENERATION AND TRANSMISSION OF HIGH-VOLTAGE DIRECT CURRENT

Resumen de: EP4576483A1

The invention relates to a system comprising a high-voltage direct current (HVDC) transmission line (10) carried by pylons (20), a high-voltage PV generator (30) connected to the high-voltage direct current transmission line (10), a power conversion equipment (40) with an input connected to the high-voltage direct current transmission line (10) and an output connectable to an AC or DC grid (50), comprising at least one of a point-source, a load and a network. A high-voltage output of the high-voltage PV generator (30) is directly connected (11) to a transmission pole (12) of the high-voltage direct current transmission line (10).

ETHYLENE COPOLYMERS FOR PHOTOVOLTAIC CELLS

Resumen de: WO2025136494A1

Ethylene copolymers, electronic device modules and methods for making same. The ethylene copolymers are at least 50 wt% ethylene derived units and at least 20 wt% of at least one C3 to C20 comonomer. The copolymers also have a melt index of 0.5 g/10 min to about 50 g/10 min, as measured according to ASTM D1238 (190°C/2.16 kg); density of about 0.856 g/cc to 0.890 g/cc, as measured according to ASTM D792; volume resistivity at 23°C of at least 5x1015 Ωcm; and 0.01 to 4.0 ppm by weight of aluminum.

COATED PHOTOVOLTAIC DEVICES

Resumen de: WO2025136781A1

A coated photovoltaic device includes a photovoltaic device having a first surface for receiving incoming light and an opposing second surface, and a coating disposed on at least the first surface, the second surface, or both the first and second surfaces of the photovoltaic device, wherein the coating is a cured product of a coating composition including: (i) an epoxy-silicone; (ii) an aminosilane; (iii) a silanol-functional silicone; and (iv) a fluorinated silane, a plasticizer, or a combination thereof.

SOLAR CELL AND METHOD OF MANUFACTURING A SOLAR CELL

Resumen de: WO2025131858A1

Herein is provided a solar cell comprising: a substrate having a back surface; a passivation layer arranged on the back surface of the substrate, the passivation layer comprising a back surface; and an interdigitated back contact The interdigitated back contact comprises a first charge-carrier collector arranged on the back surface of the passivation layer and interdigitated with a second charge-carrier collector arranged on the back surface of the passivation layer. The first charge-carrier collector comprises: a plurality of first doped elements arranged on the back surface of the passivation layer, the first doped elements having a first conductivity type; an oxide layer arranged on the first doped elements; and a plurality of second doped elements arranged on the oxide layer, the second doped elements having a second conductivity type that is opposite the first conductivity type. The second charge-carrier collector comprises a plurality of third doped elements arranged on the back surface of the passivation layer, the third doped elements having the second conductivity type. Also provided is a solar cell comprising: a substrate having a back surface; a passivation layer arranged on the back surface of the substrate, the passivation layer comprising a back surface; and an interdigitated back contact. The interdigitated back contact comprises a first charge-carrier collector arranged on the back surface of the passivation layer and interdigitated with a second charge-carrie

SOLAR TRACKING SYSTEM

Resumen de: WO2025136676A1

A solar tracing system includes a torque tube (1810), a first single frame structure (1600) coupled to the torque tube (1810), and a second single frame structure (1700) coupled to the torque tube (1810). The first single frame structure (1600) includes first frame structure first and second module receptacles (1610,1612) at opposite sides of the first frame structure (1600), a first pair of solar modules (1602a, 1602b) received at the first frame structure first and second module receptacles (1610,1612), a first frame structure coupling flange (1614), and a first frame structure coupling flange receptacle (1618). The second single frame structure (1700) includes second frame structure first and second module receptacles (1710,1712) at opposite sides of the second frame structure (1700), a second pair of solar modules (1602c, 1602d) received at the second frame structure first and second module receptacles (1710,1712), a second frame structure coupling flange (1714), and a second frame structure coupling flange receptacle (1718).

APPARATUS AND SYSTEMS FOR ENHANCED LIGHT TRAPPING IN SOLAR CELLS

Resumen de: WO2025136840A1

An apparatus for coupling light onto a semiconductor substrate in a solar cell includes a cover layer having a first surface configured to receive solar light, having a first index of refraction with respect to the solar light, and having a second surface disposed in contact with the semiconductor substrate; and the apparatus also includes a cavity disposed inside the cover layer, wherein: the cavity has a second index of refraction being smaller than the first index of refraction, a transverse cross-section of the cavity has a top end and a bottom end, and the top end is closer than the bottom end to the first surface, and a top length of the top end is smaller than a base length of the bottom end. Another apparatus for coupling light in a solar cell includes a cover layer including a textured top surface comprising an array of parallel saw-tooth-shaped grooves.

DAMPING BELT FOR SOLAR TRACKERS

Resumen de: EP4832342A1

The present invention relates to a damping belt (1) for solar trackers, for fastening panels on a rotation shaft of a solar tracker, comprising at least one vibration damping device (2) with a rigid central body (3), which comprises at the upper portion thereof a plate (4) for fastening the solar panels thereto, while at the lower portion thereof it comprises a cross member (5) arranged in the longitudinal direction of the belt (1) in the operative position, and which is embedded at its ends in blocks (6) of elastic material, said blocks (6) being joined to platens (7), the platens (7) having wings (7.1) for attaching the vibration damping device (2) to the damping belt (1), so that the blocks (6) are resting on the bottom (1.2) of the groove of the damping belt (1) and the rigid central body (3) has freedom of movement in the direction perpendicular to the plane of the solar panel for damping vibrations in the operative position.

SOLAR BATTERY SYSTEMS, METHODS AND INTERFACE MODULES

Resumen de: WO2025129275A1

A solar battery system, method and interface module is provided. The system comprises: a vehicle battery assembly that has been removed from an electric vehicle; a solar inverter, coupled to one or more solar panels, and configured to power one or more electrical items; and a battery interface module, intermediate the control interface of the solar inverter and the battery management system of the vehicle battery assembly. The vehicle battery assembly including a plurality of cells and a battery management system. The solar inverter includes a DC battery output, coupled to the cells of the vehicle battery assembly, and a control interface, configured to send and receive control messages. The battery interface module is configured to receive messages from the control interface of the solar inverter in a first format, and send messages to the battery management system of the vehicle battery assembly in a second format and according to the received messages from the control interface of the solar inverter.

TILTING SOLAR FACILITY

Resumen de: WO2025133727A1

A photovoltaic module comprising a set of fixed elements, a rigid body connected to the set of fixed elements so as to be able to swing about a horizontal oscillation axis, one or more bifacial solar panels fixed on the rigid body such that, in the absence of external forces, the rigid body is in an equilibrium position, the rigid body being able to deviate from the equilibrium position under the effect of the wind in order to reduce the windage of the photovoltaic module.

DAMPED BEARING ASSEMBLY FOR SOLAR TRACKERS

Nº publicación: EP4832343A1 28/10/2026

Solicitante:

TRINA SOLAR SPAIN S L U [ES]
Trina Solar Spain, S.L.U.

Resumen de: EP4832343A1

The present invention relates to a bearing assembly for solar tracker rotary profiles comprising a bearing bracket, which is attached to a support pillar, and a rolling mount. The bearing assembly comprises a sleeve interposed between the rolling mount and the rotary profile. The sleeve is a damping element so that it absorbs impacts between the rolling mount and the rotary profile in the relative accelerations between the two structural elements. The surfaces of the damping sleeve and/or rotary profile which are intended to be in contact with each other may comprise an adhesive to facilitate installation and operation tasks. The damping sleeve may comprise one or more grooves at its two longitudinal ends. In the case of a single groove, the groove may run along the entire perimeter contour of the edge surrounding the rotary profile, closing in on itself.