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SOLAR CELL AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026142262A1

Provided are a method for manufacturing a solar cell and a solar cell manufactured thereby, the method comprising the steps of: forming, on a substrate having a plurality of through holes, a buffer layer having first openings in regions corresponding to the plurality of through holes; forming, on the buffer layer, an undoped group III-V compound layer having second openings in regions corresponding to the plurality of through holes; filling the insides of the plurality of through holes, the first openings, and the second openings with a first electrode; and forming a first doped group III-V compound layer on the first electrode and the undoped group III-V compound layer.

SOLAR CELL MODULE

Resumen de: WO2026140617A1

This solar cell module is provided with a module body (2) comprising: a plate-shaped solar cell (3) comprising a front surface (3a) and a rear surface (3b); a front-side protective plate (4) facing the front surface (3a) of the solar cell (3) and having translucency; and a rear-side protective plate body (51) facing the rear surface (3b) of the solar cell (3) and sandwiching the solar cell (3) between the rear-side protective plate body (51) and the front-side protective plate (4). The module body (2) comprises a non-power generation part (R2), which is a part where the solar cell (3) is not disposed, at a peripheral edge portion. The non-power generation part (R2) includes a reflection region (R20) capable of reflecting light transmitted through the front-side protective plate (4) at least to the front surface side at a position closer to the rear surface side than the solar cell (3), and a non-reflection region (R21) that does not reflect light incident on the front-side protective plate (4).

REAR-CONTACT CRYSTALLINE SILICON SOLAR CELL

Resumen de: WO2026142123A1

The present invention relates to a rear-contact crystalline silicon solar cell. More specifically, the present invention relates to a rear-contact crystalline silicon solar cell based on a TOPCon silicon solar cell structure to achieve optimal efficiency, wherein electrodes are provided on a rear surface and passivation layers are formed on upper and lower surfaces of a silicon substrate.

CHROMOPHORE HAVING DOWN-CONVERSION CAPABILITY, ENCAPSULANT FILM, GLASS, AND PHOTOVOLTAIC MODULE

Resumen de: WO2026139088A1

A chromophore having a down-conversion capability, an encapsulant film, glass, and a photovoltaic module. The chromophore has a structural formula as shown in formula (I-1) and/or formula (I-2), wherein n is any integer from 0 to 100; E0 comprises any one of an alkynyl group, an alkenyl group, a silyl, a silaphenyl group, and a silenyl group; Ex is selected from a group consisting of an optionally substituted silyl group, a silicon-containing heterocyclic group, a silicon-containing benzofused cyclic group, an alkenyl group, a heteroalkyl group, an aryl group, a heteroaryl group, an amino group, an acylamino group, a cyclic acylamino group, a cyclic imide group, an alkoxy group, a carboxyl group, and a carbonyl group; E2 is selected from a group consisting of an optionally substituted silylene, silenylene, an alkylene group, an alkenylene group, an oxy group, a silicon-containing arylene group, a heteroarylene group, carbonyl, and ester; Gx is independently selected from a group consisting of an optionally substituted alkylene group, a silylene group, an optionally substituted silicon-containing alkenylene group, a silicon-containing alkynylene group, an alkenylene group, an optionally substituted alkynylene group, an optionally substituted arylene group, and an optionally substituted silicon-containing arylene group; and A1, and A2 are each independently selected from a substituted aryl group and a substituted heteroaryl group; or A1 and A2 are each independently selected fr

A SOLAR CELL AND SOLAR CELL MANUFACTURE

Resumen de: WO2026139403A1

A method of manufacturing an interdigitated back contact solar cell is provided The method comprises: providing a substrate having a back surface; arranging a plurality of first semiconductor elements on the back surface of the substrate, the first semiconductor elements having a back surface; treating the back surface of each first semiconductor element to provide each first semiconductor element with a textured back surface; and subsequently, arranging a plurality of second semiconductor elements on the back surface of the substrate, the plurality of second semiconductor elements interdigitated with the plurality of first semiconductor elements. The step of arranging the plurality of second semiconductor elements comprises: depositing a semiconductor layer onto the back surface of the substrate and the first semiconductor elements, said semiconductor layer comprising: second semiconductor elements interdigitated with the first semiconductor elements; and a plurality of waste portions deposited onto respective textured back surfaces of the first semiconductor elements; and separating the waste portions from the respective first semiconductor elements along the respective textured back surface.

SOLAR CELL AND MANUFACTURING METHOD THEREOF

Resumen de: WO2026139548A1

Provided is a solar cell comprising a substrate having a back surface and an interdigitated back contact structure arranged on the back surface of the substrate. The interdigitated back contact structure comprises a first charge-carrier collector and a second charge-carrier collector interdigitated with the first charge-carrier collector. The first charge-carrier collector comprising a plurality of A-elements arranged on the back surface of the substrate, the A-elements comprising semiconductor material having a first doping type, and a plurality of B-elements, each B-element arranged on a respective A- element, the B-elements comprising semiconductor material having a second doping type. The second charge-carrier collector comprises a plurality of C-elements arranged on the back surface of the substrate, the C-elements interdigitated with the A-elements and comprising semiconductor material having the second doping type. The interdigitated back contact structure further comprises a plurality of insulating barrier elements, each barrier element interposed between a respective pair of adjacent A- and C-elements. A solar module comprising said solar cell, and methods of manufacturing said solar cell and solar module are also provided.

SOLAR CELL AND MANUFACTURING METHOD THEREOF

Resumen de: WO2026139560A1

Various embodiments provide a solar cell comprising a substrate having a back surface and an interdigitated back contact structure arranged on the back surface of the substrate. The interdigitated back contact structure comprises a first charge-carrier collector comprising a plurality of A-elements arranged on the back surface of the substrate, the A-elements comprising semiconductor material having a first doping type, and a plurality of B-elements, each B-element arranged on a respective A- element, the B-elements comprising semiconductor material having a second doping type. The interdigitated back contact structure also comprises a second charge-carrier collector interdigitated with the first charge-carrier collector. The second charge-carrier collector comprises a plurality of C-elements arranged on the back surface of the substrate, the C-elements interdigitated with the A-elements and comprising semiconductor material having the second doping type. The interdigitated back contact structure further comprises a plurality of isolation elements, each isolation element interposed between a respective pair of adjacent A- and C-elements. Each isolation element comprises an insulating barrier element, and an A*-element comprising semiconductor material having the first doping type. The A*- element is arranged on the barrier element and has a thickness less than an adjacent A-element. Methods of manufacturing said solar cell are also provided.

SOLAR-POWERED VENTILATION SYSTEM

Resumen de: US20260185724A1

An attic ventilation system is provided including a tube having a proximal end mounted to a soffit opening and a distal end to which a fan is mounted inside an attic space, the fan operable to pull airflow into the tube through the proximal end and discharge the airflow at a rate of at least 10 CFM into the attic space to provide ventilation thereto. The fan can be configured to be mounted to the rafter in a suspended or supported orientation inside the attic space, distal from the soffit opening. The system can include a solar panel mountable to a roof structure disposed above the attic space and configured to electrically power the fan. The fan may include a BLDC motor with commutative motor control. To enhance performance, the fan may include a rotating blade, an upstream constricting ring and a downstream fixed blade assembly.

HYBRID SOLAR AIR CONDITIONER AND CONTROL METHOD THEREOF

Resumen de: WO2026142571A1

The present invention relates to an air conditioner (1) comprising an indoor unit (2); an outdoor unit (3); at least one solar panel (5); a reservoir (4) wherein the water condensed in the indoor unit (2) is collected; at least one spraying member (9) which is placed on the solar panels (5) so as to spray the water onto the solar panels (5); a power circuit; and a control unit which records the real-time power value obtained from the power circuit and the solar radiation value and which ensures that the contamination is detected based on the power value and the estimated power value estimated according to the solar radiation value so as to direct the water in the reservoir (4) onto the solar panels (5). Thus, the contamination level affecting the performance of the solar panel (5) is detected without using any sensor, based on the power value obtained by the power circuit and the estimated power derived from the solar radiation value.

AN ENERGY STORAGE APPARATUS AND METHOD OF OPERATION

Resumen de: WO2026139695A1

The present invention relates to an energy storage apparatus (101) and a method of operation. The energy storage apparatus (101) comprising: a hot reservoir (102) containing a first storage medium; a cold reservoir (103) containing a second storage medium; and an intermediary reservoir (104) containing a third storage medium. The energy storage apparatus (101) further comprising a first heat engine (105) thermally couplable to the hot reservoir (102) and to the cold reservoir (103), wherein the first storage medium is a heat source for the first heat engine (105) and the second storage medium is a heat sink for the first heat engine (105). The energy storage apparatus (101) further comprising a first heat pump (125) having a cold side thermally couplable to the cold reservoir (103) for cooling the second storage medium and a hot side thermally couplable to the intermediary reservoir (104) for heating the third storage medium. The energy storage apparatus (101) is operable in: a first hot reservoir discharge mode in which the first heat engine (105) generates work from a temperature difference between the hot reservoir (102) and cold reservoir (103) and a first cold reservoir charge mode in which the first heat pump (125) is energised to cool the second storage medium and heat the third storage medium.

ZERO-CARBON PEROVSKITE SOLAR CELL AND SIX-CONSTANT INTELLIGENT CONTROL SYSTEM

Resumen de: WO2026138085A1

A zero-carbon perovskite solar cell and a six-constant intelligent control system, relating to the technical field of solar photovoltaics. The system comprises a perovskite solar cell array (1) integrated with a building, and further comprises a constant-temperature control module (7), a constant-humidity control module (8), a constant-oxygen control module (9), a constant-cleanliness control module (10), a constant-water control module (11), and a constant-illumination control module (13) which are arranged in the building. The perovskite solar cell array is connected to the constant-temperature control module (7), the constant-humidity control module (8), the constant-oxygen control module (9), the constant-cleanliness control module (10), the constant-water control module (11), and the constant-illumination control module (13) by means of power conversion modules (5, 6). The constant-oxygen control module (9), the constant-illumination control module (13), the constant-temperature control module (7), the constant-humidity control module (8), the constant-cleanliness control module (10), and the constant-water control module (11) are respectively used for achieving constant oxygen concentration and content, constant illumination, constant temperature, constant humidity, constant air cleanliness, and constant water temperature in the building. Photovoltaic power supply of the system is realized by means of the perovskite solar cell array. The system meets the power consumpti

BUILDING INTEGRATED CLEAN ENERGY BASED ECOLOGICAL PLUS ENERGY BUILDING SYSTEM

Resumen de: US20260185741A1

A building integrated clean energy based ecological plus energy building system is disclosed. The disclosed building integrated clean energy based ecological plus energy building system comprises a heat pump that heats incoming water to generate heating water, a heat pump heating/cooling water apparatus equipped with a city-water inlet pipe, a domestic-water supply pipe, a heating-water supply pipe, and a heating-water return pipe; a heating-water distributor connected to the heating-water supply pipe that distributes the heating water into a radiant heating/cooling piping network consisting of floor-embedded pipes, wall-embedded pipes, or ceiling-embedded pipes; a heating-water collector that supplies the heating water that has passed through the radiant heating/cooling piping network to the heating-water return pipe; a city-water supply pipe connected to the city-water inlet pipe that supplies city water to the heat pump heating/cooling water apparatus; a cooling city-water direct-connection pipe that directly connects the city-water supply pipe and the heating-water distributor, allowing city water to be directly supplied to the radiant heating/cooling piping network to perform indoor radiant cooling during the summer season; and a domestic-water transfer pipe that connects the domestic-water supply pipe and the domestic-water usage point to supply domestic water from the heat pump heating/cooling water apparatus to the domestic-water usage point; and a shading-type photov

PHOTOVOLTAIC (PV) SYSTEM

Resumen de: US20260189178A1

0000 A photovoltaic system includes one or more solar panel modules, a mounting bracket coupled to the one or more solar panel modules, and a belt comprising a strap configured to be wrapped around a structure and selectively tightened. The mounting bracket includes one or more hooks that secure the mounting bracket and attached one or more solar panel modules to the structure by slipping over the strap and between a backside of the strap and a surface of the structure.

PV MODULE SHAPE FITTING FOR PV MODULE AUTO MAPPING

Resumen de: US20260189184A1

0000 An autonomous icon orientation method for accurately representing the photovoltaic (PV) modules in a PV array on a graphical user interface (GUI) of a computer system. The method including obtaining a map of the PV array, the map including distances between pairs of the PV modules in the PV array; clustering the PV modules into one or more neighborhoods based on the distances; determining a dominant angle of rotation for the PV modules in a corresponding neighborhood, of the one or more neighborhoods, based on angles between the distances between the PV modules in the corresponding neighborhood; and automatically rotating the icons in the corresponding neighborhood based on the determined dominant angle of rotation.

PHOTOVOLTAIC MODULE MOUNTING ASSEMBLY WITH A PURLIN INCLUDING SPACERS

Resumen de: US20260189181A1

A photovoltaic module mounting assembly includes a rotatable torque tube and a purlin attached to the rotatable torque tube. The purlin includes a web extending between (i) a first sidewall with a first flange extending therefrom and (ii) a second sidewall with a second flange extending therefrom. The first and second flanges extend along a first plane and where the first and second sidewalls are substantially opposing and spaced apart to form a cavity. A first module spacer extends from the purlin above the first plane to facilitate repeatable positioning of a first photovoltaic module on the first flange. A second module spacer extends from the purlin above the first plane to facilitate repeatable positioning of the first photovoltaic module on the first flange.

METHODS, SYSTEMS, AND APPARATUSES FOR SOLAR ENERGY COLLECTION FOR MARINE VESSELS

Resumen de: US20260189180A1

Apparatuses for marine vessels to maximize solar energy collection are provided, along with systems and methods relating thereto. In some embodiments, an apparatus is mounted on the top of a marine vessel and extends its surface area, facilitating optimal sun exposure for solar panels. In some embodiments, prior to docking, the apparatus can be folded and rotated to fit within the original ship's profile, allowing for efficient cargo loading and unloading from the top as is standard in the cargo industry. In some embodiments, an apparatus comprises a plurality of solar panels and a plurality of skids configured to trail behind a stern portion of a marine vessel.

SYSTEMS, SOLAR ARTICLES, AND METHODS COMPRISING A STRUCTURED PROTECTIVE FILM

Resumen de: WO2025040970A1

A system is described comprising a solar article (110) that comprises a first major surface (that faces the sun during daytime use) and an opposing second major surface. The protective film (150) comprises a first major surface (that faces the sun during daytime use) and an opposing second major surface. The first major surface of the solar article (110) and/or the opposing second major surface of the protective film (150) comprises surface structures (153). The surface structures (153) are microstructures and/or nanostructures having at least two dimensions less than 1 mm. The structures can provide/maintain an air interface (175) between the first major surface of the solar article (110) and the second major surface of the protective film (150). Also described is a structured polyolefin film suitable for use as a protective film (150) for a solar article, as described herein and a method of improving the efficiency of a solar article.

SOLAR CELL AND PREPARATION METHOD THEREFOR

Resumen de: EP4770347A1

The present disclosure provides a solar cell and a preparation method therefor. The solar cell comprises a silicon substrate; the silicon substrate comprises a first surface and a second surface which are oppositely arranged; a diffusion layer is formed on the first surface of the silicon substrate; the first surface comprises first areas and second areas distributed at intervals; the second surface comprises third areas and fourth areas distributed at intervals; each first area is provided with a first tunnel passivation structure and a first electrode; and each third area is provided with a second tunnel passivation structure and a second electrode.

RETRACTABLE, ADJUSTABLE PHOTOVOLTAIC BIOCLIMATIC PERGOLA

Resumen de: EP4768675A1

The invention relates to a retractable, adjustable photovoltaic bioclimatic pergola comprising a set of slats (1) incorporating photovoltaic cells (2) designed to capture solar radiation and convert it into electrical energy. The slats are connected to a transmission system (3) enabling controlled movement.

AUTOMATED MAINTENANCE SYSTEM FOR SOLAR COMPONENTS

Resumen de: US2025070712A1

0000 An automated maintenance system for solar components is disclosed. The system includes a condensate reservoir, a wiping element, a motor, and a fluid delivery element. The fluid delivery element is configured to transport a fluid from the condensate reservoir to a solar component, and the motor is configured to operate the wiping element via a controller. The system is designed to clean solar components automatically, without the need for manual intervention. The system is efficient, cost-effective, and environmentally friendly.

SOLAR PANEL SUSPENSION SYSTEM AND METHOD OF ERECTING SUCH A SYSTEM

Resumen de: WO2025040745A1

A solar panel suspension system comprising; at least four uprights (10, 12, 14, 16), each upright exhibiting a bottom end (10a, 12a, 14a, 16a) and a top end (10b, 12b, 14b, 16b), said at least four uprights being arrangeable in pairs, wherein each pair comprises two uprights aligned in a first direction and wherein the pairs are arranged in parallel, side by side in a second direction which is perpendicular to the first direction. Supporting wires (20a 20b, 22a, 22b, 24a, 24b, 26a, 26b, 30a 30b, 30c, 30d) are arranged to support the uprights by supportingly connecting each upright to the ground and to at least two neighbouring uprights. At least two first suspension wires (40a, 40b) are arranged to extend in a first direction between the top end of two uprights in a respective pair of uprights. The system further comprises a plurality of rectangular planar support frames (60), which are arranged to be supportingly connected to two first suspension wires (40a, 40b). A hoisting arrangement (50a, 50b, 50d) is arranged to extend and retract each first suspension wire (40a, 40b) from the top end of both uprights (10, 12, 14, 16) in each pair of uprights. A method of erection such a system is also described.

PHOTOVOLTAIC EQUIPMENT AND PHOTOVOLTAIC STRUCTURE

Resumen de: EP4769938A1

The present invention refers to a photovoltaic equipment (10) comprising:- a carrying structure (11),- at least one photovoltaic module (13) arranged sensibly vertically on the carrying structure (11),- at least one reflective surface (17) with a top side arranged on the carrying structure (11) below the, at least one, photovoltaic module (13),wherein the angle between the reflective surface (17) and the photovoltaic module (13) is higher than 90°.

BACK CONTACT CELL AND PHOTOVOLTAIC MODULE

Resumen de: EP4770339A2

0001 A back contact cell (100) includes a substrate (110), a plurality of first passivation contact layers (120), and a plurality of second passivation contact layers (130). The substrate has a first surface (m1), and the first surface defines a plurality of first zones (m11) and a plurality of second zones (m12) that are alternately arranged. The first passivation contact layer (120) includes a tunneling layer (121) and a first doped layer (122). The second passivation contact layer (130) includes an amorphous material layer (131) and a second doped layer (132). The first surface defines a middle region (mz) and two edge regions (mb). On at least one edge region (mb), along the arrangement direction of the first zones (m11) and the second zones (m12), a total size of the first passivation contact layers (120) is greater than a total size of the second passivation contact layers (130) located on the second zones (m12).

PHOTOVOLTAIC EQUIPMENT CARRYING STRUCTURE, PHOTOVOLTAIC EQUIPMENT AND ASSOCIATED MANUFACTURING METHOD

Resumen de: EP4769937A1

The present invention refers to a photovoltaic module carrying structure (11) comprising a metallic frame providing:- a holding part (12) comprising a first vertical post (11a) comprising a first slot (11b) configured for receiving a first side edge of a photovoltaic module (13) and a second vertical post (11a) comprising a second slot (11b) configured for facing the first slot (11b) for receiving a second side edge of the photovoltaic module (13),- a supporting part (14) comprising a first surface (16a) configured for extending from the bottom of the holding part (14) on a first side of the holding part (12) with an angle higher than 90°, with respect to the orientation of the first vertical post (11a) and the second vertical post (11a) and a second surface (16b) configured for extending from the bottom of the holding part (12) on a second side of the holding part (12) opposite to the first side with an angle higher than 90° with respect to the orientation of the first vertical post (11a) and the second vertical post (11a).

POWER MODULE, POWER CONVERTER, AND PHOTOVOLTAIC MODULE

Nº publicación: EP4770409A2 01/07/2026

Solicitante:

HUAWEI TECH CO LTD [CN]
Huawei Technologies Co., Ltd.

Resumen de: EP4770409A2

This application provides a power module, a power converter, and a photovoltaic module. The power converter includes a circuit board and the power module. The power module includes a first metal layer, a first base, a metal shield layer, and a second base. The first base includes a first side edge and a second side edge that are opposite, and the second base includes a third side edge and a fourth side edge that are opposite. A distance between the first side edge and the second side edge is equal to a distance between the third side edge and the fourth side edge. Projection of the first side edge on the second base is located on a same straight line as the third side edge, and projection of the second side edge on the second base is located on a same straight line as the fourth side edge. The first metal layer and the first base are provided with openings, and a first pin is electrically connected to the metal shield layer via the openings. The power module uses a double-layer base structure. During welding, same tooling can be used to limit the first base and the second base in a direction perpendicular to the first side edge, to facilitate welding of the two layers of bases, thereby avoiding a safety risk caused by a welding deviation.