Resumen de: WO2022029773A1

A method for manufacturing a Solar Sub-cells Crisscross matrix Array (SSCA) of solar sub-cells (SSC), wherein each row includes n SSC, and each column includes m SSC, the method includes: placing n Xm of SSC onto a narrow sub-cells receptor conveyer belt configured to carry a stream of the SSC; transferring m rows of SSC to a wide array conveyor belt, one row at a time, forming thereon an array of the SSC; placing n busbars or groups of Smart Wire (SW) conductors on each of the n columns of SSC; placing short parallel jumpers between all pairs of neighboring the SSC in each of the m rows; placing wide transverse conductors for parallel connection of the n column and for diodes connection; and soldering the n Xm matrix array of SSC with the short parallel jumpers and the wide transverse conductors, to thereby form a soldered SSCA.

Resumen de: EP4191688A1

Provided are a heterojunction solar cell coating apparatus, method and system, a solar cell, a module, and a power generation system. The heterojunction solar cell coating apparatus is configured for amorphous silicon-based film deposition, and comprises a loading cavity (1), a preheating cavity (2), intrinsic process cavities (3), doping process cavities (4) and an unloading cavity (5) that are linearly arranged in sequence, the cavities being isolated from each other by means of an isolating valve (9). At least two intrinsic process cavities (3) are provided and are configured for deposition by means of an intrinsic layer silicon film process; and at least one doping process cavity (4) is provided and is configured for deposition by means of an N-type silicon film or P-type silicon film process. The preheating cavity (2) comprises a heating preheating chamber and a preheating buffer chamber that is configured for adjusting the gas and pressure atmosphere. The apparatus combines control over the gas proportion and the pressure, can process a plurality of solar cells at the same time, and improves the overall processing efficiency.

Resumen de: EP4191686A1

To provide a solar cell capable of being connected to a substrate using an FPC connector. A solar cell 4 includes: a power generation layer 11 formed on a surface 10a of a base film 10; a sealing resin layer 12 covering the power generation layer 11; a protective insulating layer 14 covering an invalid area 11B of the power generation layer 11; and terminal electrodes 13A and 13B provided at positions overlapping the invalid area 11B and at which voltage generated by a valid area 11A of the power generation layer 11 appears. With this configuration, even if cracks occur in the power generation layer 11 upon connection to an FPC connector 3, the valid area 11A will not be broken. In addition, the invalid area 11B is covered with the protective insulating layer 14 having an elasticity higher than that of the sealing resin layer 12, so that shock upon connection to the FPC connector 3 is mitigated.

Resumen de: EP4191868A1

A measurement device (1) for a photovoltaic module (3) includes an output characteristic measurer (10) and a weight measurer (20). The output characteristic measurer (10) measures an output voltage value and an output current value between a positive terminal and a negative terminal of the photovoltaic module (3). The weight measurer (20) measures a weight value of the photovoltaic module (3).

Resumen de: EP4191867A1

A measurement method for a photovoltaic module includes loading (S10) and measuring (S20). The loading (S10) includes loading a photovoltaic module onto a measurement device. The measuring (S20) includes measuring, with an output characteristic measurer included in the measurement device, an output voltage value and an output current value between a positive terminal and a negative terminal of the photovoltaic module, and measuring, with a weight measurer included in the measurement device, a weight value of the photovoltaic module.

Resumen de: EP4191869A1

A method and apparatus for testing solar cell performance. The method for testing solar cell performance includes: provide a solar cell; illuminating the solar cell; acquire an illumination intensity of light onto the solar cell; acquire a luminous intensity of light emitted from the solar cell in response to the solar cell being illuminated; and determine the solar cell performance based on the illumination intensity and the luminous intensity.

Resumen de: EP4190996A1

The invention relates to a silo for storing for instance manure, wherein the silo is covered on an upper side thereof with a flexible roof, wherein the roof is manufactured from a flexible material or is otherwise deformable, wherein at least one flexible photovoltaic device is arranged on the roof, wherein the at least one flexible photovoltaic device is fastened to the flexible roof by means of first fastening means which are fixed permanently onto the roof, and second fastening means which are fixed onto the at least one flexible photovoltaic device, wherein the first fastening means and the second fastening means are mutually releasable and reconnectable to each other in order to thus fasten the at least one flexible photovoltaic device releasably to the roof. The invention also relates to a cover for such a silo.

Resumen de: EP3945608A1

The present invention refers to a two terminal tandem cell (1) comprising:- a silicon bottom cell (2) comprising a silicon layer (5), a rear contact (3) configured to be linked to a first terminal and a front contact (7),- a perovskite top cell (4) comprising a layer of perovskite (15) and a capping layer (17),wherein the perovskite top cell comprises alternated back contacts made by a first carrier transport layer (9) arranged on the front contact (7) of the silicon bottom cell (2) to produce a recombination layer and a tunnel junction interface and a second carrier transport layer (13) configured to be linked to a second terminal and wherein an insulator layer (11) is arranged on one side between the silicon bottom cell (2) and the second carrier transport layer (13) and on the other side between the first carrier transport layer (9) and the second transport layer (13).

Resumen de: WO2022023221A1

One aspect of the invention relates to a method for processing a stack (10'), the stack comprising: - a crystalline silicon substrate (11); - a first passivation layer (14) made of hydrogenated amorphous silicon, placed on a first face (11a) of the substrate (11); and - a first n-type doped amorphous silicon layer (12) placed on the first passivation layer (14); the method comprising a step of exposing the stack (10') to electromagnetic radiation (20) emitted by an electromagnetic radiation source (40), such that the first side (11a) of the substrate (11) is oriented towards the electromagnetic radiation source (40), and the electromagnetic radiation (20) has at least one first wavelength of between 300 nm and 550 nm and at least one second wavelength between 550 nm and 1100 nm.

Resumen de: WO2022026032A1

A flexible solar array for extraterrestrial deployment and a method of manufacturing such a flexible solar array are disclosed. A power generating layer, a durable layer, and an ultraviolet radiation blocking layer are disposed such that durable layer is between the power generating layer and the ultraviolet radiation blocking layer.

Resumen de: DE102021131977A1

Die Erfindung betrifft ein Solarzellenmodul,mit zumindest einem ersten Modulsegment wobei das erste Modulsegment ein erstes Teilsegment und zumindest ein zweites Teilsegment aufweist das erste und das zweite Teilsegment jeweils zumindest einen Solarzellenstring und jeder Solarzellenstring eine Mehrzahl in Reihe verschalteter Solarzellen aufweist. Die Erfindung ist dadurch gekennzeichnet, dass das erste Modulsegment ein erstes und ein zumindest zweites Bypasselement und Bypassverbinder aufweist. Diese Bypasselemente sind über die Bypassverbinder innerhalb des Modulsegments verschaltet. Über vorteilige Schaltungs- sowie Geometrieanordnungen der Elemente sind die Verschattungseigenschaften, die elektrischen Charakteristika und der Materialaufwand bei der Herstellung des Solarmoduls vorteilhaft angepasst.

Resumen de: EP4191685A1

The disclosure relates to the technical field of solar cells, and provides a solar cell and a doped region structure thereof, a cell assembly, and a photovoltaic system. The doped region structure includes a first doped layer, a passivation layer, and a second doped layer that are disposed on a silicon substrate in sequence. The passivation layer is a porous structure having the first doped layer and/or the second doped layer inlaid in a hole region. The first doped layer and the second doped layer have a same doping polarity. By means of the doped region structure of the solar cell provided in the disclosure, the difficulty in production and the limitation on conversion efficiency as a result of precise requirements for the accuracy of a thickness of a conventional tunneling layer are resolved.

Resumen de: EP4191687A1

A solar cell and a photovoltaic module including the solar cell. The solar cell includes: a semiconductor substrate including a first surface and a second surface opposite to each other; a first dielectric layer located on the first surface; a first N+ doped layer located on a surface of the first dielectric layer; a first passivation layer located on a surface of the first N+ doped layer; a first electrode located on a surface of the first passivation layer; a second dielectric layer located on the second surface; a first P+ doped layer located on a surface of the second dielectric layer; a second passivation layer located on a surface of the first P+ doped layer; and a second electrode located on a surface of the second passivation layer. The present disclosure can alleviate a compromise restriction between lateral transmission and light absorption of a polycrystalline silicon film when a passivation contact structure is applied to the front side of the cell, increasing a short-circuit current of the cell while achieving a high open-circuit voltage.

Resumen de: WO2022023309A1

The present invention relates to a photovoltaic panel (3) comprising: - at least one photovoltaic cell (7) suitable for converting solar energy into electricity; - an electrical connection configured to connect the panel (3) to an electrical facility; - a fastening device (30); characterised in that the fastening device (30) of the panel (3) comprises: - a first part (310) that acts as a support and that is intended to be fastened to a surface; - a second part (330) secured to the panel; the first and second parts (310 and 330) being intended to cooperate mechanically, according to a pivot connection, to fasten the panel (3) to a surface via the first part (310).

Resumen de: US2023170837A1

A mounting system 110 for a solar panel 11 includes a base plate 114 having an elongated mounting slot 116, a spacer beam 124 with a slot 128, a first T-shaped fastener 131 having a mounting plate 132 with a width slightly smaller than the size of the slot and a length larger than the size of the slot, so that the mounting plate may be passed through the slot and then rotated so that it then cannot pass back through the slot. A second T-shaped fastener 137 having the same configuration couples the solar panel to the spacer. The system optionally has a ballast system 145 which includes a ballast tray 146 and third T-shaped fastener 155 of the same configuration for coupling the tray to the base plate. An anti-creep strip 161 is coupled to the base member through fourth T-shaped fasteners 162 of the same configuration.

Resumen de: US2023170838A1

A system of solar panels over a water reservoir may include a plurality of piers secured to a floor of the water reservoir and extending from the floor to a fixed elevation above a maximum water elevation of the water reservoir. The system of solar panels may also include at least one support structure on the plurality of piers. The system of solar panels may also include a plurality of solar panels supported by the support structure over at least a portion of the water reservoir. The plurality of solar panels both reduce evaporation from the water reservoir and generate solar electricity.

Resumen de: US2023170839A1

The invention relates to a silo for storing for instance manure, wherein the silo is covered on an upper side thereof with a flexible roof, wherein the roof is manufactured from a flexible material or is otherwise deformable, wherein at least one flexible photovoltaic device is arranged on the roof, wherein the at least one flexible photovoltaic device is fastened to the flexible roof by means of first fastening means which are fixed permanently onto the roof, and second fastening means which are fixed onto the at least one flexible photovoltaic device, wherein the first fastening means and the second fastening means are mutually releasable and reconnectable to each other in order to thus fasten the at least one flexible photovoltaic device releasably to the roof. The invention also relates to a cover for such a silo.

Resumen de: US2023170686A1

An apparatus for preventing an electric shock and a fire according to the present invention includes one or more failure detectors that have one end electrically connected to at least one of two or more power lines insulated from earth with a resistance value greater than or equal to a predetermined ground resistance value and a first neutral point having a potential between voltages of the two or more power lines, and the other end electrically connected to the earth, in which the failure detector detects a leakage current by forming a current path for the leakage current flowing from the two or more power lines or the first neutral point to the earth. According to the present disclosure, it is possible to prevent the electric shock and the occurrence of the fire due to the leakage current.

Resumen de: US2023170842A1

An image/video capture apparatus is provided, to capture image data of a photovoltaic panel (101) and surroundings, and a controller (502) recognizes a category corresponding to the image data, and generates different instructions to control rotation of a photovoltaic tracker (102), to remove dust or snow accumulating on the photovoltaic panel (101). This does not need continuous heating, but is simple and efficient, saves electric energy, and resolves a technical problem that a conventional snow removal method of heating has low efficiency and wastes electric energy. In addition, a corresponding controller (1200) is further provided.

Resumen de: US2023170433A1

A manufacturing method for a flexible silicon-based cell module is provided. Specifically, cell units of a silicon-based solar cell structure are arranged and adhered to a connecting strip to form a cell string, wherein a gap is left between two adjacent cell units. The cell units in cell strings are connected in series and parallel by an interconnected bar, wherein a gap is left between two adjacent cell strings. Hard protection units adapted to the size and specification of the cell units are respectively attached to the cell units. A plurality of cell strings are connected to each other in series and parallel to form a cell assembly. A panel made of flexible material is selected to package the cell assembly to form the flexible cell module. The cell module has an excellent rollable performance and a flexible expansion, a light weight, and a small size.

Resumen de: US2023170431A1

A photovoltaic cell includes an edge; an interconnection conductive track extending parallel to the edge to within 1.3 mm; and a plurality of electrodes, called “collection fingers”, extending parallel to each other and electrically connected to the interconnection track; the interconnection conductive track including a plurality of spaced-apart closed-contour conductive patterns, each closed-contour conductive pattern including a closed contour surrounding a portion of the first face.

Resumen de: AU2021340791A1

A module mounting system may include a photovoltaic (PV) module frame including a mounting rail. The module mounting system may include a spring clip with a PV module frame interfacing element and a clip interfacing element. The spring clip may apply spring force via deformation to lock the PV module frame and a clip together. A second embodiment of the spring clip may include an upper component having one or more arms and a lower component having a central loop configured to rotate relative to each other and interface with the PV module frame or the mounting rail. A second embodiment of the module mounting system may include screwless clips including outer walls and inner walls coupled together as a continuous sheet of material. The screwless clips may couple to a respective mounting flange and a respective frame flange to lock the mounting purlin and the PV module frame together.

Resumen de: WO2023094555A1

The invention relates to a solar module testing device and a solar module testing method for testing at least a first solar module and a second solar module. The solar module testing device has a testing apparatus (6) and first and second connecting elements (1, 2) which are designed to attach the testing apparatus (6) to the first and second solar module (11, 12). The testing apparatus is also housed in a mobile housing. The testing apparatus (6) is designed: - to be connected to the first solar module (11) and to the second solar module (12) simultaneously; - to carry out a measurement on the first solar module (11) at a first start time in order to obtain a first start measurement result and to carry out a measurement at a later first end time in order to obtain a first end measurement result; - to operate the first solar module (11) over a first period of time between the first start time and the first end time in a first operating mode; - to carry out a measurement on the second solar module (12) at a second start time in order to obtain a second start measurement result and to carry out a measurement at a later second end time in order to obtain a second end measurement result; and - to operate the second solar module (12) over a second period of time between the second start time and the second end time in a second operating mode.

Resumen de: WO2023093942A1

The invention relates to a perovskite solar cell. The perovskite solar cell is either a single solar cell or at least one sub-cell of a multi-junction solar cell. The perovskite solar cell has: an absorber (4) made of a perovskite material, an electron transport layer (5) which is conductively connected to at least one negative contact of the perovskite solar cell, and a hole transport layer (6) which is conductively connected to at least one positive contact of the perovskite solar cell, wherein the electron transport layer serves as a hole reflector, and the hole transport layer serves as an electron reflector. The aim of the invention is to provide simple functional perovskite solar cells which are nevertheless inexpensive. This is achieved by a perovskite solar cell in which the electron transport layer (5) and/or the hole transport layer (6) and/or at least one passivation layer (7) for the absorber layer (4) is a layer based on deposited silicon.

Resumen de: WO2023094327A1

A method and a wet bench (1) for the processing of a number of solar-cell substrates (5) are described. Each solar-cell substrate (5) comprises a silicon wafer. The method comprises at least the following process steps: (i) removing at least a partial region (75) of a layer near the surface of the silicon wafer by means of an etching process by treating the surface of the solar-cell substrate with an etching fluid, and (ii) generating a silicon oxide thin film (77) at least on a partial surface of the solar-cell substrate by treating the partial surface with an oxidizing liquid. The solar-cell substrates are subjected to process steps (i) and (ii) sequentially, one after the other, within an individual processing apparatus (3). The wet bench (1) that can be used for this comprises not only an etching-fluid tank (13) but also an oxidation-liquid tank (33), in which the solar-cell substrates can be superficially oxidized, for example in an ozone-containing solution.