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PASTES FOR SOLAR CELLS, SOLAR CELLS, AND METHODS OF MAKING SAME

Resumen de: US2025212531A1

A paste (32) for use in metallization of a solar cell (12) includes an organic vehicle (44) and a mixture of copper-containing particles (46), metal-oxide-containing nanoparticles (50), and secondary oxide particles (52) different from the metal-oxide-containing nanoparticles (50). The secondary oxide particles (52) include particles (42) of a metal oxide and a metal of the metal oxide capable of reducing at least some of the metal-oxide-containing nanoparticles (50) to metal when heated. The organic vehicle (44) is capable of reducing the metal oxide of the secondary oxide particles (52) upon decomposition of the organic vehicle (44). A paste (32) includes a mixture of particles (42) including metallic copper particles (46), nanoparticles (50), and metal oxide particles (52) in the organic vehicle (44). The nanoparticles (50) include at least one oxide of nickel, copper, cobalt, manganese, and lead. The metal oxide of the metal oxide particles (52) has a more negative Gibbs Free Energy of Formation than a metal oxide of the at least one oxide of the nanoparticles (50).

SELF SUPPORTING SOLAR SOLUTION

Resumen de: US2025211165A1

An electrical bus system has a trunk bus that includes at least one positive bus line, an equal number of negative bus line, and a ground cable. The trunk bus lines extend through clamping blocks where some of the clamping blocks are coupled to brackets that are themselves coupled to vertical supports. The ground cable is coupled to vertical support using the bracket. Multi-tap shear bolt connectors are used to connect the trunk bus line to photovoltaic wires carrying the output from one or more solar panel arrays, thereby eliminating the need for combiner boxes used in conventional systems.

DEGRADATION FACTOR ESTIMATION DEVICE, DEGRADATION FACTOR DIAGNOSIS METHOD

Resumen de: US2025211167A1

The present invention aims to provide a diagnostic technique capable of estimating local degradation of the series resistance included in a solar cell. A solar cell system according to the present invention acquires the series resistance of the solar cell when the solar cell limits output based on the first amount of solar radiation, acquires the series resistance of the solar cell when the solar cell tracks a maximum power point, and uses these series resistances to diagnose whether a degradation factor of the solar cell is a local increase in the series resistance or a total increase in the series resistance.

INSTALLATION STRUCTURE FOR PHOTOVOLTAIC POWER GENERATION SHEET

Resumen de: US2025211160A1

Provided is an installation structure for a photovoltaic power generation sheet that can suppress adhesion of dirt contained in moisture dropped on a surface of the photovoltaic power generation sheet to the surface of the photovoltaic power generation sheet. The installation structure of the photovoltaic power generation sheet according to the present invention includes an installation surface which is a ground surface or a floor surface of a building, and a photovoltaic power generation sheet provided on an upper side of the installation surface. The surface of the photovoltaic power generation sheet is inclined at an angle of 1.5° or more with respect to the horizontal plane, and the critical surface tension γc of the surface of the photovoltaic power generation sheet is 20 or more and 45 or less.

MULTI-GLASS MODULE FOR A SOLAR TRACKER APPARATUS

Resumen de: US2025211162A1

A solar tracing system includes a torque tube, a first single frame structure coupled to the torque tube, and a second single frame structure coupled to the torque tube. The first single frame structure includes first frame structure first and second module receptacles at opposite sides of the first frame structure, a first pair of solar modules received at the first frame structure first and second module receptacles, a first frame structure coupling flange, and a first frame structure coupling flange receptacle. The second single frame structure includes second frame structure first and second module receptacles at opposite sides of the second frame structure, a second pair of solar modules received at the second frame structure first and second module receptacles, a second frame structure coupling flange, and a second frame structure coupling flange receptacle.

SELF SUPPORTING SOLAR SOLUTION

Resumen de: US2025211166A1

An electrical bus system has a trunk bus that includes at least one positive bus line, an equal number of negative bus line, and a ground cable. The trunk bus lines extend through clamping blocks where some of the clamping blocks are coupled to brackets that are themselves coupled to vertical supports. The ground cable is coupled to vertical support using the bracket. Multi-tap shear bolt connectors are used to connect the trunk bus line to photovoltaic wires carrying the output from one or more solar panel arrays, thereby eliminating the need for combiner boxes used in conventional systems.

Photovoltaic Inverter and Control Method Thereof

Resumen de: US2025211132A1

A photovoltaic inverter includes a conversion circuit, a collection circuit, and a controller. The collection circuit is configured to obtain a positive direct current bus voltage and a negative direct current bus voltage of the conversion circuit. The controller is configured to generate an even-order harmonic voltage regulation signal based on the positive direct current bus voltage and the negative direct current bus voltage of the conversion circuit and a phase of an output voltage of the photovoltaic inverter, generate a drive control signal based on the even-order harmonic voltage regulation signal, and control a switching transistor in the conversion circuit to be turned on or off to control the conversion circuit to output a target voltage and reduce a difference between the positive direct current bus voltage and the negative direct current bus voltage of the conversion circuit.

SOLAR OUTDOOR DECORATIVE LIGHT GROUP AND POWER SUPPLY EXTENSION LINE

Resumen de: US2025211164A1

The present disclosure discloses a power supply extension line including a junction box. The junction box is fixedly connected with a conductive sheet providing with a bus. An end of the bus away from the junction box is provided with a triangular plug, an end of the conductive sheet away from the bus is provided with a branching line assembly, the branching line assembly respectively includes a branching line A, a branching line B and a branching line C at an end of the conductive sheet away from the bus, ends of the branching line A, the branching line B, and the branching line C away from the conductive sheet are respectively provided with a high-and-low voltage connector, a female plug, and a multifunctional adapter. The present application solves a problem of insufficient photovoltaic energy supply when connecting two or more solar outdoor decorative lamp groups.

HYBRID SOLAR PANEL MOUNTING ASSEMBLY

Resumen de: US2025211161A1

An apparatus and method for mounting a solar panel array on a surface is disclosed. The solar panel array includes a plurality of solar panel modules and a hybrid solar panel module mounting assembly. The hybrid solar panel module mounting assembly includes a component of a rail-based mounting system and a component of a rail-less mounting system. At least one of the plurality of solar panel modules is mounted on the component of the rail-based mounting system and at least one of the plurality of solar panel modules is mounted on the component of the rail-less mounting system.

CONTROL METHOD, INVERTER, AND PHOTOVOLTAIC SYSTEM

Resumen de: US2025210991A1

The present disclosure discloses a control method. The method includes: acquiring target operation state information of an output circuit of a transformer to determine an operation state of a power grid based on the target operation state information; and controlling a switching transistor in the output circuit and an input circuit of the transformer to reduce the target current in response to determining that the power grid is in a predetermined operation state.

SYSTEM FOR OPTICAL WIRELESS POWER SUPPLY

Resumen de: US2025211032A1

A system for optical wireless power transmission to a power receiving apparatus generally situated in a mobile electronic device. The transmitter has an optical resonator with end reflectors and a gain medium positioned between them, such that an optical beam is generated. The frequency of the beam is selected such that it is absorbed by almost all transparent organic materials in general use. A beam steering unit on the transmitter can direct the beam in any of a plurality of directions, and the beam is absorbed on the receiver by means of an optical-to-electrical power converter, through a low reflection surface. The band gap of this power converter is selected to be smaller than that of the gain medium. The receiver has a voltage converter including an inductor, an energy storage device and a switch. A beam steerer controller ensures that the beam impinges on the receiver.

BACKUP APPARATUS AND POWER CONVERTER

Resumen de: US2025210995A1

A backup apparatus includes a contactor, a first rectifier circuit, an auxiliary power supply circuit, a first switch, a second switch, and a controller. The contactor includes a coil connected to the auxiliary power supply circuit through the second switch and a main contact switch connected to a power grid. The first rectifier circuit is connected to the power grid through the first switch, and the first rectifier circuit is connected to the coil. When the first switch is turned on, the first rectifier circuit supplies power to the coil. After the main contact switch is turned on, the controller controls the second switch to be turned on and the first switch to be turned off. When the second switch is turned on and a voltage of the power grid is lower than a voltage threshold, an input capacitor in the auxiliary power supply circuit supplies power to the coil.

METHOD FOR DETECTING ARCING, INVERTER AND PHOTOVOLTAIC SYSTEM

Resumen de: US2025210960A1

A method for detecting arcing, an inverter and a photovoltaic system are provided. The inverter includes an inverter circuit and at least one DC/DC conversion circuit. The method includes: stopping outputting a control signal to a first DC/DC conversion circuit that is currently being suspected of having an electric arc, and operating other DC/DC conversion circuits connected to the inverter circuit normally; decreasing a voltage at a power supply side of the first DC/DC conversion circuit immediately after a first preset period of time elapsed; and determining that no arc fault occurs, and restoring the voltage at the power supply side of the first DC/DC conversion circuit to a first voltage that the first DC/DC conversion circuit receives before the stopping outputting the control signal, if a current at the power supply side is greater than or equal to a first preset current during the decreasing the voltage.

Power receiver electronics

Resumen de: AU2025204205A1

Abstract A power receiver, comprising: a plurality of photovoltaic (PV) cells, each PV cell having: an active surface configured to receive light for conversion to electric power; and a cathode connector and an anode connector configured to produce a voltage therebetween when the active surface of the PV cell is exposed to light; a circuit board connected to at least one of the cathode and anode connectors, the circuit board having a plurality of apertures therein; and an output connector configured to electrically connect the circuit board to a load, wherein each PV cell is positioned to receive light that has passed through at least one of the plurality of apertures in the circuit board.

Bausatz zur Aufständerung von Solarmodulen

Resumen de: DE102023005386A1

Die Erfindung betrifft einen Bausatz zur Aufständerung von Solarmodulen (100) auf Freiflächen, Flachdächern und Dachterrassen, mit einer Unterkonstruktion (5), mindestens umfassend schienenartige Montageprofile (11), auf denen Abstützmittel angeordnet sind, mit welchen die Solarmodule (100) eine Neigungsstellung erhalten. Die Erfindung zeichnet sich dadurch aus, dass die Abstützmittel ein vorderer Montagefuß (20) und ein hinterer Montagefuß (40) in variablen Bauhöhen sind, die zueinander distanzvariabel in der Längsachse der Montageprofile (11) verstell- und fixierbar sind und wobei der vordere Montagefuß (20) eine geringere Bauhöhe als der hintere Montagefuß (40) besitzt und beide Montagefüße (20, 40) jeweils eine Aufnahme aufweisen, die zusammen eine geneigte Auflagefläche bilden, auf der sich die Solarmodule (100) abstützen und welche Mittel besitzen, in der Befestigungselemente einsetzbar sind, welche die Solarmodule (100) einklemmen und gegen Windsogkräfte sichern. Mit der Erfindung ist es möglich auf der Aufstellfläche, dies kann beispielsweise ein Flachdach oder einer Terrasse sein, ein Raster zu bilden. Dieses Raster kann an die Typen der verschiedensten Solarmodule angepasst und entsprechend der Örtlichkeit auf eine Optimierung der Absorptionsfläche ausgerichtet werden, ohne dass die Unterkonstruktion aufwendig individuell gefertigt werden muss. Während der vordere Fuß in einer Bauhöhe bereitgestellt wird, sieht der erfindungsgemäße Bausatz

EINRICHTUNG ZUR VERSCHLECHTERUNGSFAKTORSCHÄTZUNG, VERFAHREN ZUR DIAGNOSE EINES VERSCHLECHTERUNGSFAKTORS

Resumen de: DE102024131271A1

Die vorliegende Erfindung zielt darauf ab, eine Diagnosetechnik, die in der Lage ist, eine lokale Verschlechterung des in einer Solarzelle enthaltenen Serienwiderstands abzuschätzen, bereitzustellen. Ein Solarzellensystem gemäß der vorliegenden Erfindung erfasst den Serienwiderstand der Solarzelle, wenn die Solarzelle die Ausgabe basierend auf der ersten Menge an Sonneneinstrahlung begrenzt, erfasst den Serienwiderstand der Solarzelle, wenn die Solarzelle einen Maximalleistungspunkt nachverfolgt, und verwendet diese Serienwiderstände, um zu diagnostizieren, ob ein Verschlechterungsfaktor der Solarzelle ein lokaler Anstieg des Serienwiderstands oder ein Gesamtanstieg des Serienwiderstands ist.

PEROVSKITE PHOTOVOLTAIC DEVICE AND SOLUTION-PROCESSED METHOD FOR MANUFACTURE

Resumen de: AU2023391271A1

The invention relates to a carbon ink composition for use in printing a conductive carbon layer onto a perovskite solar device stack. Also provided is a perovskite solar device stack comprising a conductive carbon layer, and a method of manufacturing such a device by a solution processing method.

Photovoltaic Mount Assembly For A Composition Shingle Roof

Resumen de: AU2025204150A1

The present invention provides a mount assembly for securing a solar panel rail or rail-less support structure directly to a roof surface. The mount assembly comprises a base having a top portion and a bottom portion, the top portion having a top surface and a bottom surface. The bottom portion comprises a cavity and a bottom surface including multiple openings. The mount assembly also comprises a guide extending upwards from the top surface of the base, wherein the guide forms a pair of members extending from opposing sides of the base and an aperture between the pair of members. The cavity is formed within the base, wherein the base has an open end. The mount assembly further comprises a sealant within the cavity, and a through-hole, wherein the through-hole extends from the bottom surface of the bottom portion to the top surface of top portion of the base. The present invention provides a mount assembly for securing a solar panel rail or rail-less support structure directly to a roof surface. The mount assembly comprises a base having a top portion and a bottom portion, the top portion having a top surface and a bottom surface. The bottom portion comprises a cavity and a bottom surface including multiple openings. The mount assembly also comprises a guide extending upwards from the top surface of the base, wherein the guide forms a pair of members extending from opposing sides of the base and an aperture between the pair of members. The cavity is formed within the base, wh

DIGITAL SIGNAGE STAND

Resumen de: WO2025136989A1

A digital signage stand can include a main body having a display area outwardly oriented and a display device positioned on the stand main body. A processor can be connected to a display component and positioned within the display area. The processor can receive, without user input, an instruction to change content displayed at the display component. The processor can also change the content displayed at the display component based on the instruction. The digital signage stand can also include a power supply component, electrically connected to the display component and the processor.

SOLAR SOUNDPROOF BARRIER

Resumen de: WO2025135325A1

The present invention relates to a solar soundproof barrier capable of simultaneously implementing both a soundproof function and a solar power generation function in a soundproof wall structure installed around a road to block noise of a moving vehicle, by installing a solar panel of a solar power generation device to the structure. The solar soundproof barrier comprises a plurality of supports (10) installed apart from each other at regular intervals and a plurality of solar panels (20) stacked in a perpendicular structure between neighboring supports (10), wherein each of the supports (10) comprises a pair of support frames (10a) combined in a mutually symmetrical shape and each having a receiving groove (11) formed inside thereof so that a side part of the solar panel (20) is fitted and combined thereinto, and a load distribution member (100) for distributing load of the solar panel (20) is provided between solar panels (20) adjacent above and below.

SELF SUPPORTING SOLAR SOLUTION

Resumen de: WO2025137474A1

An electrical bus system has a trunk bus that includes at least one positive bus line, an equal number of negative bus line, and a ground cable. The trunk bus lines extend through clamping blocks where some of the clamping blocks are coupled to brackets that are themselves coupled to vertical supports. The ground cable is coupled to vertical support using the bracket. Multi-tap shear bolt connectors are used to connect the trunk bus line to photovoltaic wires carrying the output from one or more solar panel arrays, thereby eliminating the need for combiner boxes used in conventional systems.

PHOTOVOLTAIC MODULES AND METHODS OF MAKING SAME

Resumen de: WO2025137241A1

A method of making a photovoltaic module having a first set and second sets of photovoltaic cells connected in series is provided. A module precursor structure is formed having first and second electrically isolated photovoltaic structures on a substrate and defined by a first scribe structure along a first dimension. Each photovoltaic structure includes i) a bottom electrode overlaying the substrate; ii) a photoactive layer overlaying the bottom electrode, the photoactive layer including at least a perovskite absorber layer and iii) a top electrode overlaying the photoactive layer, wherein at least one of the top and bottom electrodes is a transparent electrode. A series connection is made between the first and second photovoltaic structures by forming an electrically conductive connector. A second scribe structure is formed through the first and second photovoltaic structures by selectively removing the top electrode, the photoactive layer, and the bottom electrode in a target area along a second dimension substantially orthogonal to the first dimension.

POWER CONVERSION DEVICE

Resumen de: WO2025135925A1

An insulation resistance measurement device according to an embodiment of the present invention comprises: a variable resistance unit that is connected between a DC link terminal and a ground; and an insulation resistance calculation unit that calculates insulation resistance by using a first voltage of the DC link terminal and a second voltage measured from the variable resistance unit, wherein the insulation resistance calculation unit calculates the insulation resistance by using the second voltage in a first state and the second voltage in a second state in which the resistance from the first state is variable.

POWER CONVERSION DEVICE

Resumen de: WO2025135923A1

A power conversion device according to an embodiment of the present invention comprises: an input unit connected to a PV module; a voltage distribution unit for distributing a voltage between both ends of the input unit; an offset voltage unit for adding an offset voltage to the voltage input from the voltage distribution unit; and a control unit for using the output of the offset voltage unit to determine whether the input unit and the PV module are reversely connected.

POWER CONVERSION DEVICE

Nº publicación: WO2025135924A1 26/06/2025

Solicitante:

LG INNOTEK CO LTD [KR]
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