Alerta

SURFACTANT-MEDIATED FACETED HGCDTE GROWTH METHODS AND LOW-BANDGAP PHOTOVOLTAIC DEVICES FORMED THEREFROM

Absstract of: US20260357473A1

A method of growing low-bandgap Hg1-xCdxTe films and photovoltaic devices is disclosed. A Hg1-xCdxTe film having a bandgap between about 0.09 eV and about 0.11 eV is grown by vapor-phase epitaxy in successive portions. A surfactant-mediated morphology-control treatment, in preferred embodiments a gold-containing treatment, is periodically applied during growth, and epitaxial growth is resumed after each treatment. The repeated treatment induces ordered high-index faceted morphology in the film, in preferred embodiments self-ordered (113)B facets, and increases minority-carrier lifetime relative to a control film grown without the treatment. Photovoltaic devices formed from the film may include p-on-n, n-on-p, p-i-n, nBn, barrier-type, heterojunction, mesa, or planar junction structures. In certain embodiments the device exhibits a dark current density of not more than about 3×10{circumflex over ( )}−5 A/cm{circumflex over ( )}2 at 150 K and 200 mV bias.

PORTABLE RENEWABLE ENERGY POWERED WATER PURIFICATION SYSTEM WITH REAL-TIME REMOTE DATA TRACKING

Absstract of: US20260356697A1

A portable, self-contained water treatment system having a wheeled main casing integrating a submersible pump, prefilter, and filtration briefcase with interchangeable cartridges for water purification. Powered by a foldable solar power assembly, the system extracts raw water, filters it through multilayered media and configurable cartridges (serial or parallel), and stores purified water in a tank equipped with a level sensor. Water is dispensed via external taps connected to a distribution header. The solar assembly, stored in a compartment, deploys atop the casing, supported at adjustable angles. The system includes waste management via a backwash valve and offers smart monitoring of water quality and quantity. Constructed with durable materials, this mobile unit provides an efficient, solar-powered solution for producing and dispensing purified water in diverse settings.

ENERGY STORAGE SYSTEM

Absstract of: US20260361266A1

There is provided a thermal energy storage apparatus including a thermal energy storage medium, a photovoltaic device, and a bidirectional waveguide, wherein the bidirectional optical waveguide is configured to guide radiation from the thermal energy storage medium to the photovoltaic device and also to guide radiation which passes through the photovoltaic device back to the thermal storage medium from the photovoltaic device. Also described are energy storage facility, an energy grid, a method of improving the efficiency of an energy grid or energy storage facility, and the use of such thermal energy storage apparatus or energy storage facility or energy grid in a method of storing and releasing energy or in a thermal energy storage apparatus, energy storage facility or energy grid.

METHOD FOR PREPARING SOLAR CELL AND SOLAR CELL

Absstract of: US20260362842A1

A method for preparing a solar cell is provided. The method includes: providing an initial split cell piece with a cross-section; subjecting the cross-section to an oxidation treatment to obtain an oxide layer; preparing a hydrogen-containing passivation layer on a surface of the oxide layer away from the cross-section; and subjecting a surface of the hydrogen-containing passivation layer away from the oxide layer to a hydrogen-passivation activation treatment, so as to release hydrogen ions in the hydrogen-containing passivation layer to the cross-section to obtain a passivated split cell piece.

SOLAR CELL AND PHOTOVOLTAIC MODULE

Absstract of: US20260362822A1

The disclosed provides a solar cell including a substrate, a side of the substrate being divided into two edge regions opposite to each other and a central region formed therebetween; multiple grid lines disposed on the substrate and positioned at intervals along a first direction; first solder joints and second solder joints disposed in the two edge regions, where the first solder joints being positioned at intervals along a second direction, the second solder joints being positioned at intervals along the second direction and closer to the central region than the first solder joints, and an area of an orthographic projection of a respective first solder joint of the first solder joints on the substrate is smaller than an area of an orthographic projection of a respective second solder joint of the second solder joints on the substrate; and multiple solder joint connection lines disposed in the two edge regions.

PASSIVATED CONTACT STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEM

Absstract of: US20260362843A1

A solar cell includes a silicon substrate; and a first doped region and a second doped region, disposed on the silicon substrate. The first doped region includes a first passivated contact region, disposed on the silicon substrate and including a first doped layer, a first passivation layer, and a second doped layer. A second passivated contact region is disposed on the first passivated contact region and including an opening for connecting a first conductive layer of the solar cell to the first passivated contact region. The second doped region includes a third passivation layer. The second doped layer is an N-type doped layer. The second doped region is a P-type doped region. A thickness of the third passivation layer in the second doped region is greater than a thickness of the first passivation layer in the first doped region.

SOLAR CELL WITH COPPER GRID LINE, AND PREPARATION METHOD THEREFOR

Absstract of: US20260362844A1

Provided in the embodiments of the present application are a solar cell with a copper grid line, and a preparation method therefor. The preparation method for a solar cell with a copper grid line comprises the following steps: plating a copper film on both a first face and a second face of a cell sheet to be subjected to grid line preparation; then, printing a photoresist on the surface of the copper film on the first face, wrapping edges of the cell sheet with an edge-wrapping adhesive, and then performing baking for the first time, so as to dry the edge-wrapping adhesive and the photoresist; then, printing the photoresist on the second face, and performing baking for the second time; and then performing an electroplating treatment, so as to form a copper grid line, and then performing a film removal treatment.

PHOTOVOLTAIC MODULE DETECTION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM

Absstract of: US20260358511A1

The present application relates to a photovoltaic module detection method and apparatus, a computer device, and a storage medium. The detection method includes: receiving detection data for each photovoltaic module of each photovoltaic power station; labeling the detection data in a pre-prepared electronic map, generating a labeled electronic map, and using the labeled electronic map, generating a detection report of global photovoltaic module yield and defect distribution. In the detection method of the present application, the detection process does not require disassembling photovoltaic modules, and there is no need to power-on the photovoltaic modules for detection, thereby greatly improving test efficiency, and allowing for operation during the day and at night; and improving detection precision and efficiency.

PHOTOVOLTAIC MODULE AND METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE

Absstract of: US20260362823A1

A photovoltaic module is provided. The photovoltaic module includes a cell module including multiple cell string groups and multiple first connection structures. Each cell string group includes multiple cell strings arranged along a first direction. Each cell string includes multiple solar cells and multiple second connection structures. Second connection structures located on a corresponding solar cell include third connection structures interleaved with fourth connection structures, and each third connection structure is spaced from an adjacent fourth connection structure by a distance L in the first direction. The plurality of second connection structures include two adjacent second connection structures respectively connected to ends of two adjacent end connection structures, and the two adjacent second connection structures are spaced apart by a distance N that is less than twice the distance L.

SOLAR CELL MODULE AND PHOTOVOLTAIC POWER GENERATION SYSTEM

Absstract of: AU2026203003A1

The present application provides a solar cell module, where a solar cell is located between a first encapsulant film and a second encapsulant film. At least one of the first encapsulant film and the second encapsulant film 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%. pr p r p r

APPARATUS COMPRISING A PHOTOVOLTAIC SYSTEM

Absstract of: US20260356155A1

The present disclosure relates to an apparatus configured to supply electrical power to a transport refrigeration unit, the apparatus comprising a power converter and a photovoltaic system including a photovoltaic cell. The power converter includes a rectifier, an inverter and a DC bus internal to the power converter. The DC bus is electrically connected to an output of the rectifier and an input of the inverter, an input of the rectifier is electrically couplable to a power source external to the apparatus at a connection port, and an output of the inverter is electrically couplable to the transport refrigeration unit.

CONNECTOR ASSEMBLY AND CONNECTING STRUCTURE

Absstract of: US20260361267A1

A connector assembly and a connecting structure are provided. The connector assembly includes a photovoltaic connector, and a connecting device configured to be fixed to a circuit board and electrically connected to the circuit board. A conductive terminal of the photovoltaic connector is configured to be in plug-in connection with the connecting device. With the connector assembly, assembly steps and assembly time required for assembling the photovoltaic connector and the circuit board are reduced, and the installation efficiency of the photovoltaic connector and the circuit board is improved.

POLYOLEFIN BASED BACKSHEET FOR PHOTOVOLTAIC PANELS

Absstract of: US20260362820A1

A photovoltaic module with a translucent cover layer, an underlying layer containing at least one photovoltaically active cell which is embedded in an embedding material, and a backsheet (1) arranged underneath. The backsheet (1) is designed as a polyolefinic film with at least two layers (2, 3, 4). At least one layer (2) contains a black pigment. The backsheet (1) has a reflection of electromagnetic radiation in the range 800 to 1700 nm of more than 30 %, preferably more than 40 %, in particular more than 50 %.

CDTE BASED THIN FILM SOLAR CELL DEVICE WITH DIFFUSION BARRIER LAYER AND METHOD FOR MANUFACTURING THEREOF

Absstract of: US20260362819A1

A CdTe-based thin film solar cell device (10) and a manufacturing method thereof are provided. The CdTe-based thin film solar cell device (10) comprises a CdTe-based absorber layer (13) comprising a first partial layer (131) being selenium-rich CdTe layer, a second partial layer (133) having less selenium than the first partial layer (131), and a diffusion barrier layer (132) between the first partial layer (131) and the second partial layer (133). The diffusion barrier layer (132) has a larger band gap and a different crystal structure than the first partial layer (131). The manufacturing method comprises forming the CdTe-based absorber layer (131), which further comprises performing thermal treatment after depositing a first layer, a second layer and a third layer to form the first partial layer (131) from the first layer, the diffusion barrier layer (132) from the second layer and the second partial layer (133) from the third layer.

DRIVE-SYSTEM PROTECTION ARRANGEMENTS FOR PHOTOVOLTAIC TRACKERS

Absstract of: US20260361264A1

In a solar energy system, a photovoltaic (PV) assembly includes an array of PV panels joined to and pivotable together with a frame subassembly. A drive system includes a motor assembly including an electric motor and a drive-system controller, and a pivot-wheel assembly for transferring torque from the electric motor to the frame subassembly. The pivot-wheel assembly includes a drive chain joined to a hoop portion at two opposing coupling points defining limits of the mechanical pivot range of the PV assembly. A drive-system protection arrangement includes a pair of spaced-apart tab portions comprising respective sensor targets, joined to the hoop portion and circumferentially displaced from the two opposing coupling points, and a sensor in electronic communication with the drive-system controller and operative to send a signal thereto indicating detection of a proximate presence of one of the sensor targets.

PHOTOVOLTAIC MODULES AND METHODS OF MAKING SAME

Absstract of: AU2025257854A1

A photovoltaic module includes a substrate structure having a dielectric layer and a patterned substrate conductor. First and second PV cells are provided over the substrate structure, which independently include i) a bottom electrode, ii) a photoactive layer overlaying the bottom electrode, and iii) a transparent top electrode overlaying the photoactive layer. A top via structure extends through the first PV cell and the dielectric layer to a first portion of the patterned substrate conductor and electrically connects the first portion of the patterned substrate conductor to the top electrode of the first PV cell. A bottom via structure extends through at least the dielectric layer to a second portion of the patterned substrate conductor, the second portion corresponding to the second PV cell, wherein the bottom via structure electrically connects the second portion of the patterned substrate conductor to the bottom electrode of the second PV cell.

SOLAR CONTROL INTERLAYERS

Absstract of: AU2025381528A1

A functional interlayer for incorporation into laminated structures is provided. The functional interlayer may provide solar control properties to the laminated structure. The laminated structure may be part of a window unit. An interlayer comprises a thermoplastic polyurethane (TPU) layer comprising luminescent solar concentrators and an optical layer in contact with the TPU layer. The optical layer comprises one or more materials that reflect light back into the TPU layer. This allows the luminescent solar concentrators to harvest more energy from the same light rays, which increases the overall energy capture of the LSCs without compromising other functional properties, such as the visible light transmission (VLT), of the interlayer.

Modular Solar Panel Enclosure

Absstract of: US20260361260A1

The present disclosure provides a solar panel enclosure having an assembled mode and a dissembled mode. The solar panel enclosure comprises a tripod and three solar panels detachably coupled to the tripod forming an enclosure. Each of the three solar panels has a substantial trapezoidal configuration and comprises a bottom edge, a top edge, and two side edge. The three solar panels are detachable coupled to one another on the two side edges by a joining mechanism. An electronic device connector is coupled to an inner surface of the at least one of the three solar panels and positioned within the enclosure. The electronic device connector is configured to connect to an associated electronic device positioned within the enclosure.

SOLAR BATTERY CELL AND SOLAR BATTERY MODULE

Absstract of: US20260362821A1

The present invention provides a solar cell and a solar cell module capable of reducing the number of components and improving a yield as compared with the related art. A solar cell includes a first power generation region, a second power generation region, a first current collecting wiring portion configured to be electrically conducted to the first power generation region, a second current collecting wiring portion configured to be electrically conducted to the second power generation region, and a penetration part. The first current collecting wiring portion is provided independently of and not continuously to the second current collecting wiring portion, and is disposed at an interval from the second current collecting wiring portion with the penetration part interposed therebetween, and the penetration part includes one or a plurality of through holes, and extends in an extending direction of the first current collecting wiring portion to partition off the first power generation region and the second power generation region, and limits conduction between the first power generation region and the second power generation region.

PV SYSTEM HAVING COLLECTING UNITS, METHOD FOR OPERATING A PV SYSTEM HAVING COLLECTING UNITS, AND COLLECTING UNIT FOR PV STRINGS

Absstract of: AU2025286694A1

The application relates to a PV system (10) having an inverter (14) and having at least one collecting unit (20) for PV strings (12). The collecting unit (20) has a plurality of inputs for PV strings (12) and has an output, wherein the inputs are connected in parallel in the collecting unit (20) and are switchably connected to the output of the collecting unit (20). The output of the at least one collecting unit (20) is switchably connected to a two-pole DC bus (16), and the DC bus (16) is switchably connected to a bridge circuit (18) of the inverter (14). According to the application, the at least one collecting unit (20) is assigned a residual-current circuit breaker (21) which is arranged between the point at which the PV strings (12) are connected in parallel and the DC bus (16). The residual-current circuit breaker (21) is designed to break the connection between the PV strings (12) and the DC bus (16) if a residual current on the connection between the PV strings (12) and the DC bus (16) exceeds a specifiable limit value. The PV system is characterized in that the residual-current circuit breaker (21) is designed to maintain the connection between the PV strings (12) and the DC bus (16) even in the presence of an inherently inadmissible residual current and/or to prevent the breaking of the connection between the PV strings (12) and the DC bus (16) if a passivation signal (30) is applied to the residual-current circuit breaker (21). The application also relates to a met

SOLAR CELL AND PHOTOVOLTAIC MODULE

Absstract of: US20260362847A1

This application discloses a solar cell and a photovoltaic module. In one aspect, a solar cell includes a cut surface having a cut edge adjacent to the first surface and a break edge adjacent to the second surface. The solar cell includes a first passivation layer formed on the cut surface, the first passivation layer comprising an aluminum oxide passivation layer. The cut surface includes a first region adjacent to the cut edge and a second region farther away from the cut edge than the first region. The cut surface includes a plurality of first groove structures and a plurality of crack structures. The plurality of first groove structures are located in the first region and include end portions extending from the cut edge toward the break edge. A boundary formed by the end portions of the plurality of first groove structures is wavy or zigzag.

SYSTEMS AND METHODS FOR ROBOTIC SOLAR INSTALLATION

Absstract of: US20260355936A1

Systems and methods for installing solar panels using a robotic system are disclosed. A robotic system can include a movable base that navigates an environment for solar panel installation. An articulated arm can be disposed on the movable base and can include a gripper that couples to a solar panel. A controller can control the articulated arm and the gripper to move towards a first surface of the solar panel. The controller can actuate a vacuum source to couple the gripper to the first surface of the solar panel, with the solar panel having a first orientation relative to a body of the movable base. The controller can control the articulated arm to move the solar panel to a mounting location in the environment at a second orientation relative to the body of the movable base.

WRENCH FOR SOLAR MOUNTING SYSTEM

Absstract of: US20260355913A1

A wrench for a solar mounting system includes a handle portion, an intermediate portion extending from the handle portion, and an interface portion extending from the intermediate portion. The interface portion includes a first interface configured to engage a fastener to facilitate rotating the fastener in a first rotational direction and a second interface spaced from the first interface and configured to engage the fastener to facilitate rotating the fastener in an opposing second rotational direction.

PORTABLE SOLAR-POWERED POWER GENERATION ASSEMBLY

Absstract of: US20260361258A1

A portable solar-powered power generation assembly that includes a housing enclosing power generation circuitry, power management circuitry, and one or more rechargeable batteries. A foldable solar panel is mounted to the housing. The solar panel may include a middle panel fixed to the housing and side panels pivotally coupled to the middle panel, wherein the side panels are movable between open and folded positions for operation, storage, and transportation. The assembly further includes one or more power output interfaces disposed on the housing, including AC power sockets, DC outlets, USB ports, and USB-C charging ports configured to support multiple charging protocols. The housing further includes at least one coupling interface configured to detachably receive interchangeable mounting units, including a C-clamp for attachment to supporting structures and a ground stake for insertion into the ground.

PAD FOR SOLAR PANEL MODULE RAIL

Nº publicación: US20260361262A1 12/11/2026

Applicant:

UNIRAC INC [US]
Unirac, Inc.