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222
resultados
Última actualización
29/06/2025 [07:00:00]
Resumen de: FR3157733A1
La présente invention concerne un dispositif de surveillance (1) de la propreté d’une surface (2), comprenant une source d’alimentation (3) électrique configuré pour être connectée à la surface (2) afin de mettre sous tension la surface (2) en plusieurs points, un système de mesure de la tension et du courant (4), une station météorologique (6) configurée pour acquérir des données environnementales de la surface (2), le dispositif de surveillance (1) comprenant une unité de contrôle (5) configurée pour - commander la source d’alimentation (3) selon un profil d’alimentation, - déterminer à partir du courant et de la tension mesurés une impédance d’isolement induite par la surface (2), - déterminer un niveau de salissure de la surface (2) par rapport à un état initial « propre » de la surface (2) à partir de la mesure d’impédance et des données d’environnement issues d’une station météorologique (6). Figure pour l’abrégé : Fig. 1
Resumen de: US2025208654A1
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.
Resumen de: US2025208656A1
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.
Resumen de: US2025208657A1
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.
Resumen de: WO2025130947A1
Provided are a perovskite-silicon tandem solar cell and a preparation method therefor. The perovskite-silicon tandem solar cell comprises a silicon-based battery, an ITO intermediate composite layer, a first hole transport layer, a second hole transport layer, a perovskite light absorption layer, a first electron transport layer, a second electron transport layer, a top transparent conductive layer, and a conductive metal electrode, which are all sequentially stacked. The perovskite-silicon tandem solar cell of the present application can fully achieve the advantages of perovskite batteries and crystalline silicon batteries, reduce the effect of humidity and oxygen on the perovskite material while reducing the optical coupling effect of the perovskite material and the crystalline silicon material, lower the interface effect, and improve the efficiency and stability of the perovskite-silicon tandem solar cell.
Resumen de: WO2025130570A1
Disclosed in the present invention are an overvoltage treatment method and system for a photovoltaic transformer area based on a floating neutral wire voltage. The method comprises: a controller collecting a voltage U of a photovoltaic transformer area and a voltage U0 of a neutral point of a transformer; comparing the collected voltage data with a set threshold; on the basis of the comparison result, generating a control instruction for cancellation and compensation; and a neutral wire voltage regulator receiving the instruction, and performing voltage control. A floating neutral wire is introduced between a photovoltaic power supply and a neutral point of a grid-connected transformer, and a neutral wire voltage regulator is arranged at the floating neutral wire. The direction and the amplitude of the neutral wire voltage regulator are adjusted, so that the neutral wire voltage regulator adapts to the voltage problem of a transformer area in different states. Moreover, by adjusting the voltage of the neutral point side of the grid-connected transformer, the voltage of the neutral point of the grid-connected transformer is zero.
Resumen de: WO2025130345A1
Disclosed in the present invention are a continuous-wave perovskite polariton laser device and laser chip. A gain medium of the continuous-wave perovskite polariton laser device is a perovskite material or a mixed material containing the perovskite material, and is in the form of a thin film, a microcrystal, fluorescent powder, a nanocrystal, a quantum dot or a single crystal. A perovskite gain medium is prepared by means of a solution method or a vacuum coating method, and by combining the perovskite gain medium with an optical resonant cavity, steady-state exciton-polariton condensation is formed by means of strong interaction between excitons and photons, and low-threshold continuous-wave polariton laser emission can be achieved without the need to meet conventional laser device population inversion conditions. The laser device can implement room-temperature low-threshold continuous-wave or pulse lase emission under various coherent and incoherent light sources or electrical excitation pumping, the threshold of the laser device is 1-3 orders of magnitude lower than the thresholds of conventional semiconductor laser devices, and the optimized threshold can reach 0.1-1 W/cm2 or below; and the laser device relates to a novel ultra-low power coherent light source technology.
Resumen de: WO2025131175A1
The invention relates to a solar cell test method, to a solar cell test device, and to a computer-readable medium for implementing the solar cell test method. The solar cell test method is used to characterize a contacted solar cell or a contacted solar module and has the following steps: carrying out a first measuring process in which the solar cell is irradiated with light with an intensity which changes over time, and during the irradiation, the time curve of the cell voltage in the solar cell is measured in order to obtain a first sequence of time-resolved first light intensity values and corresponding time-resolved first voltage values; carrying out a second measuring process in a corresponding manner in order to obtain a second sequence of time-resolved second light intensity values and corresponding time-resolved second voltage values; and carrying out a calculation for each first voltage value in order to ascertain a respective stationary light intensity value (Ls), wherein the total quantity of stationary light intensity values (Ls) together with respective first voltage values (V) forms a stationary curve.
Resumen de: WO2025136676A1
A solar tracing system includes a torque tube (1810), a first single frame structure (1600) coupled to the torque tube (1810), and a second single frame structure (1700) coupled to the torque tube (1810). The first single frame structure (1600) includes first frame structure first and second module receptacles (1610,1612) at opposite sides of the first frame structure (1600), a first pair of solar modules (1602a, 1602b) received at the first frame structure first and second module receptacles (1610,1612), a first frame structure coupling flange (1614), and a first frame structure coupling flange receptacle (1618). The second single frame structure (1700) includes second frame structure first and second module receptacles (1710,1712) at opposite sides of the second frame structure (1700), a second pair of solar modules (1602c, 1602d) received at the second frame structure first and second module receptacles (1710,1712), a second frame structure coupling flange (1714), and a second frame structure coupling flange receptacle (1718).
Resumen de: WO2025131174A1
The invention relates to a solar cell test method, a solar cell test device and a computer readable medium for implementing the solar cell test method. In the solar cell test method, two current-voltage curves are ascertained at a contacted solar cell. Then, from each of the two curves, an emitter voltage curve is derived is each case, from which a charge change curve is ascertained by means of point-wise difference calculation. Then, a diffusion capacity curve is ascertained by means of point-wise quotient calculation between the charge change curve and a numeric temporal derivation of the emitter voltage curve. Then, a diffusion capacity function, which depends on a doping concentration as a free parameter, is adjusted to the ascertained diffusion capacity curve such that as a result of the adjustment, a doping concentration value for the doping concentration of the contacted solar cell is determined.
Resumen de: US2025207819A1
A system may include a solar collector configured to receive sunlight, wherein the solar collector includes a solar thermal collector and a photovoltaic (PV) module. A system may include a hot energy storage (HES) configured to receive solar heat from the solar thermal collector and heat the HES to a first temperature range. A system may include a cold energy storage (CES). A system may include a refrigeration unit for cooling the CES to a second temperature range less than the first temperature range. A system may include a thermodynamic generator configured to provide electricity to the refrigeration unit based on a temperature difference between the HES and a heat sink. A system may include a load including one or more electrical devices and a load fluid circuit for cooling the load, wherein the load fluid circuit is in thermal communication with the CES.
Resumen de: WO2025132166A1
A system (11) for achieving an efficient energy management in a building (13), in particular for a highly efficient use of renewable energies, comprises at least one module array (19, 20) which can be attached to the building (13) and which forms an air duct (29) on the building (13) for enclosing an air cushion (27). The system (11) achieves previously unused synergistic effects by means of an absolutely innovative use, in particular by means of a unique combination of possibly already known or existing technologies, in that energy losses occurring on the building (13) can be reduced to a minimum and used in order to increase the efficiency of devices for generating or converting renewable energies. Embodiments can have an air duct (29) enclosing the building (13) in order to use synergistic effects explained in the description in conjunction with one another. In particular, such an air duct (29) can be connected to an air-to-soil collector (41), a roof ridge draw-off point and a heat pump (37) in order to be able to improve the operating point of the heat pump (37) by supplying heated air. In addition, a systematic construction of insulating layers (for example, with reflective elements on the roof and with controllable insulating materials on the facade) in conjunction with a module array (19, 20) can provide an energy management that is as efficient as possible. Any additional energy requirement can be compensated for by a supplementary innovative system (69) comprising e
Resumen de: WO2025132716A1
A system comprising a high-voltage direct current (HVDC) transmission line (10) carried by pylons (20), a high-voltage PV generator (30) connected to the high-voltage direct current transmission line (10), a power conversion equipment (40) with an input connected to the high-voltage direct current transmission line (10) and an output connectable to an AC or DC grid (50), comprises at least one of a point-source, a load and a network. A high-voltage output of the high-voltage PV generator (30) is directly connected (11) to a transmission pole (12) of the high-voltage direct current transmission line (10). The high-voltage PV generator (30) comprises at least one row of PV modules (35) which are directly serially connected (31) along a meandering arrangement. The single PV modules (35) and the rows are connected to independent power lines. The independent power lines are mechanically and/or electrically connected to the pylons (20) directly.
Resumen de: WO2025132553A1
The present invention relates to a semi-rigid solar panel for a spacecraft comprising a frame (112); and one or more solar power modules (103) placed within the frame (112); wherein at least one side of the one or more solar power modules (103) connects to the frame (112)by a sliding connection (120), allowing the one or more solar power modules (103) to slide within the frame (112); wherein the sliding connection (120) is attached to the frame (112) by a connection flange (121) protruding from the frame (112) towards the side of the solar power module (103) and extending substantially parallel to a plane defined by the solar power module (103).
Resumen de: WO2025132268A1
The present invention relates to a device (1) for monitoring the cleanliness of a surface (2), comprising an electrical power source (3) configured to be connected to the surface (2) in order to apply voltage to the surface (2) at a plurality of points, a system for measuring the voltage and the current (4), a meteorological station (6) configured to acquire environmental data of the surface (2), the monitoring device (1) comprising a control unit (5) configured to: - operate the power source (3) according to a power supply profile; - determine, on the basis of the measured current and voltage, an insulation impedance induced by the surface (2); - determine a level of soiling of the surface (2) with respect to a "clean" initial state of the surface (2) on the basis of the impedance measurement and the environmental data obtained from a meteorological station (6).
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
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.
Resumen de: DE102023136096A1
Die Erfindung betrifft ein Solarzellentestverfahren, eine Solarzellentestvorrichtung und ein computerlesbares Medium zur Implementierung des Solarzellentestverfahrens. Das Solarzellentestverfahren dient zur Charakterisierung einer kontaktierten Solarzelle oder eines kontaktierten Solarmoduls und umfasst folgende Verfahrensschritte: Durchführen eines ersten Messvorgangs, bei dem die Solarzelle mit Licht einer sich zeitlich ändernden Intensität bestrahlt wird und während des Bestrahlens ein zeitlicher Verlauf einer Zellspannung an der Solarzelle gemessen wird, um eine erste Sequenz an zeitaufgelösten Erst-Lichtintensitätswerten und zugehörigen zeitaufgelösten Erst-Spannungswerten zu erhalten; Durchführen eines zweiten Messvorgangs auf entsprechende Weise, um eine zweite Sequenz an zeitaufgelösten Zweit-Lichtintensitätswerten und zugehörigen zeitaufgelösten Zweit-Spannungswerten zu erhalten; Durchführung einer Umrechnung zu jedem Erst-Spannungswert, um jeweils einen Stationär-Lichtintensitätswerts (Ls) zu ermitteln, wobei die Gesamtmenge der Stationär-Lichtintensitätswerte (Ls) mit den jeweiligen Erst-Spannungswerten (V) eine Stationär-Kurve bildet.
Resumen de: DE102023136079A1
Die Erfindung betrifft ein Solarzellentestverfahren, eine Solarzellentestvorrichtung und ein computerlesbares Medium zur Implementierung des Solarzellentestverfahrens. Bei dem Solarzellentestverfahren werden an einer kontaktierten Solarzelle zwei Strom-Spannungs-Kurven ermittelt. Anschließend wird aus den beiden Kurven jeweils eine Emitterspannungskurve abgeleitet, aus denen mittels punktweise Differenzbildung eine Ladungsänderungskurve. Anschließend erfolgt die Ermittlung einer Diffusionskapazitätskurve mittels punktweise Quotientenbildung zwischen der Ladungsänderungskurve und einer nummerischen zeitlichen Ableitung der Emitterspannungskurve. Schließlich erfolgt ein Anpassen einer von einer Dotierkonzentration als freien Parameter abhängigen Diffusionskapazitätsfunktion an die ermittelte Diffusionskapazitätskurve derart, dass als Ergebnis des Anpassens ein Dotierkonzentrationswert für die Dotierkonzentration der kontaktierten Solarzelle bestimmt wird.
Resumen de: WO2025133737A1
The present disclosure relates to energy storage cell, method for manufacturing and its uses. It is disclosed an energy storage cell comprising a thermally isolating outer shell comprising at least a part of an internal vessel, wherein the thermally isolating outer shell comprises a space, which is at least a partially empty space, between said internal vessel and an internal wall of the thermally isolating outer shell, wherein the internal vessel comprises a phase change material arranged to be heated; one or more thermoelectric or thermophotovoltaic converters arranged in said space for converting radiation emitted by the internal vessel to electrical energy.
Resumen de: US2025206914A1
Composite materials that include a polymer matrix and a metal halide perovskite. The metal halide perovskite may be a lead-free metal halide double perovskite. Devices that include a layer of a composite material, a first electrode, and a second electrode. Methods of forming composite materials and devices, including methods that include printing one or more layers with a 3D printer.
Resumen de: US2025206913A1
Composite materials that include a polymer matrix and a metal halide perovskite. The metal halide perovskite may be a lead-free metal halide double perovskite. Devices that include a layer of a composite material, a first electrode, and a second electrode. Methods of forming composite materials and devices, including methods that include printing one or more layers with a 3D printer.
Resumen de: US2025212674A1
The invention provides a method of forming a perovskite material from a plurality of evaporation sources comprising co-subliming from: (i) a first evaporation source comprising a mixture of co-sublimable organic halides, wherein the organic halides comprise: a. a first organic halide comprising an organic cation A; b. a second organic halide comprising an organic cation A′ which is different to A and has a larger ionic radius than the first organic cation A; and (ii) a second evaporation source comprising one or more metal halides having the formula (I): B(XyX′1-y)2 (I) wherein B is a divalent metal cation, X and X′ are different halides and 0≤y<1; and (iii) one or more further organic halides from one or more further evaporation sources; and/or (iv) one or more inorganic halides from one or more further evaporation sources; to form the perovskite material, wherein the perovskite material comprises three or more different cations in the A site. Perovskite materials and semiconductor devices, typically photovoltaic devices, are also provided.
Resumen de: US2025212593A1
Provided is a conductive paste including 30 wt % to 90 wt % of a conductive particle, 0.1 wt % to 10 wt % of a binder, 0.1 wt % to 2 wt % of an organic amine, and 10 wt % to 50 wt % of a solvent. A solar cell module and a manufacturing method thereof are also provided.
Nº publicación: US2025212684A1 26/06/2025
Solicitante:
FUJIFILM CORP [JP]
FUJIFILM CORPORATION
Resumen de: US2025212684A1
The present invention provides a photoelectric conversion element having excellent quantum efficiency in a case of receiving blue light. In addition, an imaging element, an optical sensor, a compound, and a manufacturing method of a compound, which are related to the photoelectric conversion element, are provided. The photoelectric conversion element according to the present invention is a photoelectric conversion element including a conductive film, a photoelectric conversion film, and a transparent conductive film in this order, in which the photoelectric conversion film contains a compound represented by Formula (1).
BOPI
Sede Electrónica
