Abstract: This application discloses a method for recovering lead iodide from a perovskite solar battery, and a recycling system. The method for recovering lead iodide from a perovskite solar battery includes the following steps: pretreating a recycled perovskite solar battery to obtain perovskite; putting the perovskite into a second solvent to dissolve lead iodide to obtain a lead iodide-containing solution; and mixing the lead iodide-containing solution with a third solvent to precipitate the lead iodide, and collecting a lead iodide precipitate. A boiling point of the third solvent is lower than a boiling point of the second solvent. The recycling system for recovering lead iodide from a perovskite solar battery includes: a recycled perovskite solar battery stripping apparatus, a lead iodide extraction apparatus, and a lead iodide precipitate separation apparatus.

Abstract: The present application discloses a perovskite solar cell, a thin-film composite electrode and a preparation method therefor, a power generating device, and a power consuming device. The perovskite solar cell sequentially includes transparent conductive glass, a first charge transport layer, a perovskite light-absorbing layer, a second charge transport layer and a thin-film composite electrode; wherein the thin-film composite electrode comprises a first metal layer provided on the second charge transport layer, a conductive oxide layer provided on the first metal layer, and a second metal layer provided on the conductive oxide layer. In a perovskite solar cell of an embodiment of the present application, the thin-film composite electrode is a semi-transparent electrode, which increases the extraction rate of charge carriers at the interface and reduces the overall series resistance of the device, thus enabling the device to have an excellent photoelectric performance while ensuring the transparency thereof.

Abstract: A perovskite solar cell includes a transparent electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode in sequence. The perovskite layer includes a main perovskite layer and a two-dimensional perovskite coating layer covering both surface and periphery of the main perovskite layer. The two-dimensional perovskite coating layer includes a first overlay layer disposed between the main perovskite layer and the electron transport layer, a second overlay layer disposed between the main perovskite layer and the hole transport layer, and a third overlay layer covering the periphery of the main perovskite layer.

Abstract: A solar cell includes a plurality of sub-cells. The plurality of sub-cells are disposed sequentially along a first direction. The plurality of sub-cells each include a first photovoltaic conversion layer for performing photovoltaic conversion. The first direction is perpendicular to a thickness direction of the sub-cells. Along the first direction, a trend of change in a thickness of the first photovoltaic conversion layer of each sub-cell is negatively correlated to a trend of change in a cross-sectional area, perpendicular to the thickness direction, of each first photovoltaic conversion layer, so as to improve uniformity of photocurrents output by the sub-cells and uniformity of electrical current.

Abstract: This application relates to a solar cell and a manufacturing method thereof, a photovoltaic module, and an electrical device. The solar cell includes: a plurality of sub-cells, where the plurality of sub-cells are electrically connected to each other; a dead zone, disposed between two adjacent sub-cells; a reflection portion, disposed on at least a part of surfaces of the dead zone, and configured to reflect incident light radiated on the dead zone; a packaging component, disposed on a side of the reflection portion away from the dead zone, and configured to reflect the incident light, which is reflected by the reflection portion, to a surface of the sub-cell to convert the incident light into electrical energy.

Abstract: A perovskite solar cell includes a transparent conductive glass substrate, an electron transport layer, a perovskite light-absorbing layer, a hole transport layer, an electrode, and a metal fluoride layer disposed between the electron transport layer and the perovskite light-absorbing layer. A thickness of the metal fluoride layer is greater than 0 and less than or equal to 3 nm.

Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.

Abstract: A perovskite solar cell includes a transparent electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode in sequence. The perovskite layer includes a main perovskite layer and a two-dimensional perovskite coating layer covering both surface and periphery of the main perovskite layer. The two-dimensional perovskite coating layer includes a first overlay layer disposed between the main perovskite layer and the electron transport layer, a second overlay layer disposed between the main perovskite layer and the hole transport layer, and a third overlay layer covering the periphery of the main perovskite layer.

Abstract: The present application provides a perovskite solar cell, including conductive glass, a hole transport layer, a perovskite layer, an electron transport layer and a back electrode, where a passivation layer may be disposed between the hole transport layer and the perovskite layer, and the passivation layer may include an amide and/or a cation thereof, where the amide may include a compound of formula (1) and/or formula (2): where R1 and R2 are each independently selected from hydrogen, —R, —NR2, —NHR, —NH2, —OH, —OR, —NHCOR, —OCOR, and —CH2COOH, where R represents a straight or branched chain alkyl group having 1-10 carbon atoms, m is an integer of 0 to 10; and n is an integer of 1 to 10; and where Ar is selected from a C5-C10 aryl or heteroaryl group.

Abstract: A perovskite radiovoltaic-photovoltaic battery having a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence, wherein the first electrode is a transparent electrode, the first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer, and the second electrode is a radiating electrode formed by compounding an electrical conductor material with a radioactive source.

Abstract: A perovskite radiovoltaic-photovoltaic battery having a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence, wherein the first electrode is a transparent electrode, the first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer, and the second electrode is a radiating electrode formed by compounding an electrical conductor material with a radioactive source.

Abstract: A perovskite solar battery includes first and second electrodes, a light absorbing layer between the first and second electrodes, and first and second hole transport layers. The first hole transport layer is located between the second hole transport layer and the light absorbing layer. The second hole transport layer is located between the first electrode and the light absorbing layer or between the second electrode and the light absorbing layer. A first hole transport material of the first hole transport layer is one selected from PTAA, undoped nickel oxide, and nickel oxide doped with a doping element. A second hole transport material of the second hole transport layer includes at least one of a P-type transition metal oxide semiconductor material or a P-type transition metal halide semiconductor material that is capable of isolating water and oxygen.

Abstract: The present disclosure provides a perovskite solar cell comprising at least an electrode, an electron transport layer, a hole transport layer, a perovskite layer and a passivation layer. In the perovskite solar cell, the passivation layer may contain a passivator, the passivatormay comprise an aza fused bicyclic compound and/or an organic salt formed from the aza fused bicyclic compound and an acid, each fused ring in the aza fused bicyclic compound may be independently a five-membered or six-membered saturated ring, unsaturated ring or aromatic ring, the fused ring of the aza fused bicyclic compound may contain 1-5 nitrogen atoms, and the fused ring may be an unsubstituted ring or a ring substituted with one or two substituents having 1-3 carbon atoms.

Abstract: The present invention discloses a control method for a multi-phase winding deflection scanning device, comprising: defining a rectangular coordinate system where deflection scanning tracks are located; sequentially decomposing the deflection scanning tracks into finite point rectangular coordinate data; translating the rectangular coordinate data into corresponding point resultant exciting current data; decomposing the resultant exciting current data into n-phase winding exciting current data; and translating the n-phase winding exciting current data into corresponding n-phase control instruction electrical signals and outputting same to a drive power supply, amplifying the output electrical signals by the drive power supply and providing same for the multi-phase winding deflection scanning device as exciting current.

Abstract: The present invention discloses a control method for a multi-phase winding deflection scanning device, comprising: defining a rectangular coordinate system where deflection scanning tracks are located; sequentially decomposing the deflection scanning tracks into finite point rectangular coordinate data; translating the rectangular coordinate data into corresponding point resultant exciting current data; decomposing the resultant exciting current data into n-phase winding exciting current data; and translating the n-phase winding exciting current data into corresponding n-phase control instruction electrical signals and outputting same to a drive power supply, amplifying the output electrical signals by the drive power supply and providing same for the multi-phase winding deflection scanning device as exciting current.