Resumen de: WO2024224028A1
The present invention relates to a system (1) for producing electricity from solar radiation, comprising a support structure (2) and a plurality of photovoltaic modules (11a, 11b, 12a, 12b, 13a, 13c) supported by the support structure (2), characterised in that the photovoltaic modules (11a, 11b, 12a, 12b, 13a, 13c) are arranged at a plurality of levels (21, 22, 23) of the support structure (2) so as to be stacked substantially vertically, the distance between two consecutive levels of the plurality of levels (21, 22, 23) being such that the photovoltaic module or modules (11a, 11b, 12a, 12b, 13a, 13c) of one level (21, 22, 23) are never in the shadow of the module or modules (11a, 11b, 12a, 12b, 13a, 13c) of the immediately higher level (21, 22, 23).
Resumen de: US2025221058A1
A string of shingled solar cells is disclosed. The string of shingled solar cells has flexible joints connecting the solar cells made from cured liquid polymeric adhesive. An electrically conductive interconnect passes through the flexible joint. The string of shingled solar cells also has interconnect reinforcements made from cured liquid polymeric adhesive to improve interconnect adhesion to the front surface of the solar cells.
Resumen de: WO2024223775A1
The present invention relates to a layer element comprising a polyethylene based layer (A) and a polypropylene based layer (C) sandwiching a polyolefin based layer (B) comprising a copolymer of propylene and ethylene (B- 1) having a melting temperature Tm of from 130 to 175 °C and a copolymer of ethylene and one or more comonomers selected from 4 to 12 carbon atoms (B-2) having a melting temperature Tm of from 100 to 140°C, in a structure A- B-C, an article, preferably a photovoltaic module, such as a bifacial photovoltaic module, comprising said layer element as integrated backsheet element, a process for producing said layer element, a process for producing said photovoltaic module and the use of said layer element as integrated backsheet element of a bifacial photovoltaic module.
Resumen de: EP4704334A1
The invention relates to a computer-implemented method (100) for calculating an efficiency degradation rate of an energy conversion device (50) from measurement data (10) of the energy conversion device (50). The method comprises the steps of: a) providing first measurement data (14) of a first observation obtained at a first time point, the first measurement data including multiple measurement data points each relating an energy input value of the energy conversion device (50) to an energy output value of the energy conversion device (50); b) applying a mathematical model to the first measurement data (14) to obtain a function modelling the first measurement data (14); c) determining (130) a first coefficient of conversion from the obtained function, wherein the first coefficient of conversion represents a ratio of the energy input to the energy output at the first time; d) repeating (140) steps a) to c) with second measurement data of the energy conversion device (50) obtained at a second time point, the second time point being different than the first time point, thereby obtaining a second coefficient of conversion representing a ratio of the energy input to the energy output at the second time point; e) comparing (150) the first coefficient of conversion with the second coefficient of conversion to determine the efficiency degradation rate of the energy conversion device (50).
Resumen de: EP4704299A1
A solar charge controller for at least one solar panel array and at least one battery, the solar charge controller being adapted to be electrically connected with the at least one solar panel array and the at least one battery, the solar charge controller includes a built-in modem configured for two-way communication between the solar charge controller and a user, the built-in modem includes a soft SIM. A system including a plurality of solar charge controllers. A method of two-way communication between a solar charge controller and a user.
Resumen de: WO2024223777A1
The present invention relates to a layer element comprising a polyethylene based layer (A) and a polypropylene based layer (C) sandwiching a polyolefin based layer (B) comprising a copolymer of propylene and ethylene (B- 1) having a melting temperature Tm of from 130 to 150°C and a copolymer of ethylene and one or more comonomers selected from 4 to 12 carbon atoms (B-2) having a melting temperature Tm of from 30 to 60°C, in a structure A-B-C, an article, preferably a photovoltaic module, such as a bifacial photovoltaic module, comprising said layer element as integrated backsheet element, a process for producing said layer element, a process for producing said photovoltaic module and the use of said layer element as integrated backsheet element of a bifacial photovoltaic module.
Resumen de: WO2024223996A1
The invention relates to a three-dimensional photovoltaic module (2) provided with a central axis and comprising a three-dimensional support structure (3) having a plurality of support faces (6) distributed around the central axis; and photovoltaic coatings (7) attached to the three-dimensional support structure (3), each photovoltaic coating (7) being arranged on a respective support face and at least partially covering the respective support face (6), each photovoltaic coating (7) extending substantially along a respective extension plane. The photovoltaic coatings (7) comprise a plurality of photovoltaic coating subsets (7) distributed around the central axis that each comprise two adjacent photovoltaic coatings (7), the extension planes of the two photovoltaic coatings (7) belonging to the same subset intersecting along a respective intersection line that is inclined with respect to the central axis and upwardly extends away from the central axis.
Resumen de: EP4704322A1
The present application provides a power converter and a starting method therefor. The starting method comprises after a starting instruction is received, at each moment, enabling at least one target input-side conversion circuit to be in a power-limited state or a zero-power state, wherein when the target input-side conversion circuit is in the power-limited state or the zero-power state, the input voltage of the target input-side conversion circuit is not lowered. Therefore, the input voltage of at least one target input-side conversion circuit is not lowered at each moment, that is, decoupling of power supply of a controller and power conversion of the power converter is realized, so that the starting method can avoid the problem of undervoltage shutdown of the controller, and can further avoid the starting hiccup phenomenon of the power converter. Additionally, because the power converter can be a photovoltaic inverter, the starting method can also avoid the starting hiccup phenomenon of the photovoltaic inverter.
Resumen de: EP4702901A1
Glass cleaning robot, that comprises a first independent glass cleaning robot (1), a second independent glass cleaning robot (2), and a central system configured to precisely coordinate the actions of the two independent glass cleaning robots transforming them into a single, more efficient operating entity, such the central system comprises a first linear actuator (5) attached to the first independent glass cleaning robot, a second linear actuator (6) attached to the second independent glass cleaning robot, and a third linear actuator (7) attached at one end to the first linear actuator (5) and at the other end to the second linear actuator (6), where the third linear actuator (7) is perpendicular to the first linear actuator (5) and to the second linear actuator (6).
Resumen de: DE102024123778A1
Die Erfindung betrifft ein Befestigungssystem (1) zur Befestigung eines plattenförmiges Bauelements (2) an einer Dachkonstruktion (3), wobei das Befestigungssystem (1) profilierte Träger (4) umfasst, die zu mindestens einem das Bauelement (2) umschließenden Rahmen (5) verbindbar ausgestaltet sind, und wobei die profilierten Träger (4) einen firstseitigen Querträger (6) und einen firstseitigen Querträger (7) sowie zwei in First-Traufe-Richtung (FT) verlaufende Längsträger (8) umfassen, dadurch gekennzeichnet, dass der firstseitige Querträger (6) und der firstseitige Querträger (7) zur Ausbildung einer regensicheren Verbindung (9) ausgestaltet sind, so dass eine überdeckungsfreie Aneinanderreihung der plattenförmigen Bauelementen (2) in First-Traufe-Richtung (FT) erfolgt. Die Erfindung betrifft außerdem ein Modul (100) für ein Dach, insbesondere für ein Schrägdach, umfassend ein solches Befestigungssystem (1) und ein solches plattenförmiges Bauelement (2).
Resumen de: WO2026041885A1
Roof tile with thin film flexible photovoltaic tape is used in construction and photovoltaic technology on existing or new roofs, in such a way that it eliminates the need for panels mounted above the roof. By using a glued thin film flexible photovoltaic tape with wire connectors, it enables serial or parallel connection of photovoltaics.
Resumen de: WO2026040563A1
Provided in the present disclosure are a grid line of a battery cell, a battery, and a battery string. A grid line structure comprises positive current collection points and negative current collection points respectively connected to positive grid lines and negative grid lines on a battery cell, wherein the negative grid lines and the positive grid lines are distributed in an interdigitated shape, the same positive current collection point is connected to several positive grid lines, and the same negative current collection point is connected to several negative grid lines.
Resumen de: US20260055930A1
In general terms the present invention proposes a device for harvesting renewable energy. The device comprises a wind turbine, a channel for directing wind to the wind turbine, and a solar receiver positioned in the channel for receiving sunlight entering the channel.
Resumen de: WO2026042927A1
The present invention relates to an energy-saving positive-pressure biosecure livestock facility. The energy-saving positive-pressure biosecure livestock facility of the present invention comprises: a constant-temperature and constant-humidity room that draws in outside air, conditions same through a cooling and heating unit, and supplies sterile air under positive pressure; a rearing room in communication with the constant-temperature and constant-humidity room, the rearing room having a multilayer rearing space vertically movable by means of a lift and including a deodorizing space formed on one side of the rearing space; and a purification room in communication with the rearing room, configured to supply water and deodorizing water to the rearing room or to purify manure and excrement generated therein. According to the present invention, provided is an energy-saving positive-pressure biosecure livestock facility that not only saves energy by removing odors and impurities generated during rearing by recycling purified, sterile air and thermal energy through the multilayer rearing structure but also prevents the positive-pressure rearing room from external contamination and infection.
Resumen de: WO2026040868A1
A pre-existing solar panel(100) is modified by adding a body comprising quantum dots(202). The quantum dots(202) are positioned on an optical path, when the modified solar panel is in use, solar electromagnetic radiation passes towards a photovoltaic region of the solar panel in which one or more photovoltaic elements generate an electrical voltage from the electromagnetic radiation. Upon the quantum dots(202) absorbing solar radiation (light) having a first wavelength, they emit light having a second wavelength which is higher than the first wavelength. The first wavelength is one for which the photovoltaic elements have a first conversion efficiency value. The second wavelength is one for which the photovoltaic elements have a higher conversion efficiency value.
Resumen de: WO2026040841A1
A solar cell and a manufacturing method therefor, an electric device, and a power generation device. The solar cell at least comprises a first electrode layer (11), a light absorption layer (30), and a second electrode (13), the light absorption layer (30) comprises a perovskite material, the first electrode layer (11) comprises a main body layer (111) and a modification layer (112), the modification layer (112) is located between the main body layer (111) and the light absorption layer (30), the main body layer (111) comprises a metal, the modification layer (112) is conductive, and the modification layer (112) comprises one or more of a metal nitride and a metal sulfide. The modification layer (112) in the first electrode layer (11) is not only conductive but also blocks diffusion of metal ions from the main body layer (111) toward the light absorption layer (30), thereby reducing corrosion of the perovskite material in the light absorption layer (30) by the metal ions, protecting the perovskite material, and reducing degradation of the perovskite material. The interfacial bonding between the modification layer (112) and the main body layer (111) is strong, thereby improving the reliability of the first electrode layer (11) in a solar cell device.
Resumen de: WO2026040782A1
The present invention provides a perovskite solar cell, comprising: a first electrode, a hole transport layer, a perovskite light absorption layer, and a second electrode which are sequentially stacked. The hole transport layer comprises a first layer, a second layer, and a self-assembled monomolecular layer which are sequentially stacked; the first layer comprises inorganic nanoparticles; and the second layer comprises an inorganic sub-nano membrane.
Resumen de: WO2026040442A1
Disclosed in the present disclosure are a solar cell, a cell module, and a photovoltaic system. A plurality of cells in the solar cell are arranged in a first direction. First fine grids and second fine grids are alternately arranged in a second direction. Solder ribbons extend in a third direction. The included angle between the first direction and the third direction is an acute angle. Each of at least some of the fine grids comprises fine grid sub-segments and fine grid gaps alternately arranged in the first direction.
Resumen de: WO2026040184A1
A voltage regulation method, system and device for a high photovoltaic-penetration distribution transformer area, and a medium. The method comprises: constructing a solution framework for a voltage regulation problem of a high photovoltaic-penetration distribution transformer area by defining the state, action, and reward of a reinforcement learning agent; by interacting the agent with a simulation environment, training a policy function of the agent to obtain a trained policy network; and inputting an actual environment state in which voltage regulation is to be performed into the trained policy network to obtain a voltage regulation policy outputted by the agent. In the method of the present application, a voltage regulation policy for the distribution transformer area can be calculated when neither a distribution transformer area topological parameter nor predicted photovoltaic output is determined; and the voltage of each node of the distribution transformer area is within an allowable range, while the degree of three-phase voltage imbalance is minimized, thereby realizing precise voltage regulation of a high photovoltaic-penetration flexible interconnected distribution transformer area under conditions of unknown distribution transformer area parameters and inaccurate predicted photovoltaic data.
Resumen de: WO2026041215A1
The present invention relates to a foldable frame system, preferably a solar panel frame system, said system comprising: a container, a rail arrangement, said rail arrangement comprising one or more rails, a frame arrangement, such as a plurality of frames being interconnected, a plurality of panels, preferably solar panels, wherein the panels are arranged on the frame arrangement, wherein said system can take at least two positions: a first position for transporting the system, wherein the system is comprised in a container, such as folded into a container, and a second position for operation of the system. Furthermore, the invention relates to a method for unfolding a foldable frame system.
Resumen de: WO2026039981A1
A double-sided display panel, comprising a solar module (110), two light-transmitting layers (120), and two display panels (130). The solar module (110) comprises an optical adhesive layer (111), a plurality of solar cells (112), and a plurality of opaque patterned layers (113). The solar cells (112) and the opaque patterned layers (113) are alternately embedded in the optical adhesive layer (111). Projections of the opaque patterned layers (113) on a second surface (S2) of the optical adhesive layer (111) respectively partially overlap with projections of the solar cells (112) on the second surface (S2). Thus, the display effect of double-sided display panels is improved.
Resumen de: US20260053242A1
An electrically-operated opening and closing structure of a solar-charged umbrella includes a rib assembly and an electrically-operated opening and closing mechanism. When the drive motor of the electrically-operated opening and closing mechanism is started, the screw rod is driven to rotate and the movable disk connected to the screw rod is driven to move up and down so that the movable end of the rib of the rib assembly is driven to slide on a guide rail of the movable disk, thereby changing the angle of the rib to be opened/closed for the umbrella to be opened/closed. The umbrella may be controlled remotely, automatically closed for protection against strong wind, and automatically opened for charging under sunlight.
Resumen de: US20260056637A1
An input sensor including a first electrode and a second electrode, which cross each other. The first electrode includes a first main portion extending in a first direction and first sensing portions and second sensing portions, which are disposed with the first main portion therebetween in a second direction and each of which extends from the first main portion. Each of the first sensing portions and the second sensing portions includes first sub-portions extending in the first direction and first middle portions disposed between the first sub-portions and between one of the first sub-portions and the first main portion.
Resumen de: US20260055641A1
A dial ring assembly for an electromechanical combination lock includes a housing configured to be mounted on an exterior of a securable enclosure, a dial rotatably disposed on the housing, the dial being rotatable about a dial axis for use in connection with entry of a combination, a lever rotatably disposed on the housing, the lever being rotatable about a lever axis, an external generator disposed in the housing, the external generator being configured to generate electrical energy through rotation of an external generator shaft of the external generator, and a gear train disposed in the housing and operatively connecting the dial, the lever, and the external generator shaft such that rotation of the dial rotates the external generator shaft to produce electrical energy and rotation of the lever rotates the external generator shaft to produce electrical energy.
Nº publicación: US20260054588A1 26/02/2026
Solicitante:
GAOTU NEW ENERGY TECH SHENZHEN CO LTD [CN]
Gaotu New Energy Technology (Shenzhen) Co., Ltd
Resumen de: US20260054588A1
Disclosed are a rooftop solar charging device and a vehicle. The rooftop solar charging device includes: a box body, a cover body, a battery and a first solar panel assembly. The box body is fixed on a top of a vehicle body; the cover body is provided on one side of the box body away from the vehicle body; the opening and closing apparatus is provided on one of the box body and the cover body and connected to the other one of the box body and the cover body in a driving manner, the cover body and the box body are buckled to form an accommodation space, and the cover body and the box body are separated to open the accommodation space; the battery is provided inside the accommodation space; and the first solar panel assembly is electrically connected to the battery.