Abstract: This application relates to a solar cell and a preparation method therefor. The solar cell includes a plurality of subcells and a plurality of grid lines. The subcells are sequentially arranged in series in a first direction, each including a substrate and a first electrode that are stacked. The plurality of subcells include two first subcells and at least one second subcell located between the two first subcells. The first direction is perpendicular to a thickness direction of the solar cell. The plurality of grid lines are disposed on the first electrodes in a one-to-one correspondence mode. An area of orthographic projections of the grid lines on the first subcells corresponding thereto is greater than an area of an orthographic projection of the grid line on the second subcell corresponding thereto. The solar cell can improve a current-limiting phenomenon, thereby improving the conversion efficiency of the solar cell.

Abstract: The present application discloses a composite electrode, a solar cell, methods for preparing the same, a power consuming apparatus, and an energy storage apparatus. The composite electrode includes a conductive oxide substrate and a metal doped in the conductive oxide substrate. The composite electrode has good stability performance, and also functions as a matrix to protect the doped metal, thereby improving chemical stability of the metal. The doped metal modifies the conductive oxide substrate, thereby significantly improving electrical conductivity of the composite electrode. A back electrode of the solar cell includes the composite electrode. The photoelectric performance of the solar cell is enhanced and remains stable.

Abstract: A laminated solar cell includes, in order along an incident direction of sunlight, a first sub-cell, a tunneling structure, and a second sub-cell. The first sub-cell includes a first carrier transport layer, a first light absorption layer, and a second carrier transport layer arranged sequentially along the incident direction. The second sub-cell includes a third carrier transport layer, a second light absorption layer, and a fourth carrier transport layer arranged in the same direction. The tunneling structure, disposed between the first and second sub-cells, includes a main body material layer and an auxiliary material layer. The main body material layer includes a metal-doped metallic oxide and is located between the second carrier transport layer and the auxiliary material layer. The auxiliary material layer, comprising an N-type or P-type semiconductor material, is positioned between the main body material layer and the third carrier transport layer.

Abstract: A perovskite solar cell includes a perovskite light absorption layer. The perovskite light absorption layer includes a perovskite material and a complexing agent. The complexing agent includes one or more of a hydroxycarboxylic acid-based complexing agent, an organic phosphonic acid-based complexing agent, a polyacrylic acid-based complexing agent, and a polybutenoic acid-based complexing agent.

Abstract: The present application relates to the technical field of photovoltaics, and provides a perovskite cell, a photovoltaic module, a photovoltaic power generation system and an electrical device. The perovskite cell includes: a wide absorption spectrum perovskite layer located between a transparent substrate layer and an electrode layer, wherein the wide absorption spectrum perovskite layer includes a three-dimensional perovskite and a light-conversion material, at least part of the light-conversion material is distributed in the intergranular gaps of the three-dimensional perovskite, and the light-conversion material includes at least one of an up-conversion material and a down-conversion material. The present application can alleviate the technical problems of a low solar spectrum utilization rate and a low energy conversion efficiency of the existing perovskite cells.

Abstract: The present application discloses a drying machine and a cell processing apparatus. The drying machine is configured for drying and crystallizing a material. The drying machine includes a vacuum compartment, a crystallization compartment and a heating device. The vacuum compartment forms a first chamber configured to perform vacuum drying on the material. The crystallization compartment forms a second chamber. The first chamber and the second chamber each have an input end and an output end, and the output end of the first chamber is in communication with the input end of the second chamber, such that the first chamber is in communication with the second chamber to form a continuous material channel. The heating device is arranged in the crystallization compartment and configured for heating crystallization of the material in the second chamber.

Abstract: A perovskite battery and an electric device are disclosed. The perovskite battery includes a substrate; a perovskite layer, where the perovskite layer is disposed on one side of the substrate; a passivation layer, where the passivation layer is disposed on at least one side of the perovskite layer, the passivation layer includes a passivation material, the passivation material includes anions and cations, a volume of the anions is V1, a volume of the cations is V2, and V1>V3>V2, where V3 is a volume of a largest defect in the perovskite layer; and an electrode layer, where the electrode layer is disposed on a side of the passivation layer facing away from the perovskite layer.

Abstract: Provided are a perovskite precursor and a preparation method, a perovskite material and a preparation method, a perovskite thin film, a perovskite precursor slurry, a perovskite solar cell and a preparation method, and an electric device. The perovskite precursor includes a precursor substrate and doping ions. The doping ions include at least one of alkali metal ions, alkaline earth metal ions, transition metal ions, group IIIA element ions, acid radical ions, and halogen ions. At least a part of the doping ions are embedded into a crystal lattice of the precursor substrate.

Abstract: A perovskite solar cell, a preparation method therefor and a power consuming device are provided. In some embodiments, the perovskite solar cell of the present application has, in order, a back electrode, a hole transport layer, an interface passivation layer, a perovskite layer, an interface passivation layer, an electron transport layer, and conductive glass, wherein the HOMO energy level of an interface between the perovskite layer and the interface passivation layer is 0.01-0.4 eV, and the energy band gap between the HOMO energy level and the LUMO energy level is 0.01-0.4 eV; and the interface passivation layer contains: an organic amine salt of a biphenyl compound and/or an organic amine salt of an acene compound.

Abstract: A perovskite solar cell includes a first electrode, a first charge transport layer, a perovskite absorption layer, a second charge transport layer, and a second electrode. The first charge transport layer is arranged on a side of the first electrode; the perovskite absorption layer is arranged on a side of the first charge transport layer away from the first electrode; the second charge transport layer is arranged on a side of the perovskite absorption layer away from the first charge transport layer; and the second electrode is arranged on a side of the second charge transport layer away from the perovskite absorption layer. where the perovskite absorption layer, the second charge transport layer, and the second electrode meet the following relations: d=k?/2n1 and n12=an2×n0.

Abstract: Related are a fullerene composite material and a preparation method therefor, a perovskite solar cell and a preparation method therefor, and an electrical device. The fullerene composite material includes a host material and a doping material, where the host material includes at least one of a first fullerene and a first fullerene derivative, the doping material is selected from at least one of a second fullerene and a second fullerene derivative, and a molecular structure of the doping material is partially embedded in a lattice of the first fullerene and/or the first fullerene derivative.

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 application relates to a perovskite solar cell and a preparation method thereof, and an electrical apparatus. The perovskite solar cell includes a transparent electrode, a first functional layer, a perovskite layer, a second functional layer and a second electrode layer which are stacked, wherein the perovskite layer includes a three-dimensional perovskite layer and a two-dimensional perovskite layer which are stacked, the surface of the three-dimensional perovskite layer in contact with the first functional layer being a first surface, and the remaining surfaces constituting a second surface, and the two-dimensional perovskite layer covers the entire second surface.

Abstract: A perovskite solar cell, a preparation method of the perovskite solar cell, and an electric device. The perovskite solar cell includes a perovskite light absorbing layer, an electron transport layer, and a resistance reduction layer. The resistance reduction layer is located between the perovskite light absorbing layer and the electron transport layer.

Abstract: A perovskite solar cell, a preparation method therefor and a power consuming device are provided. In some embodiments, the perovskite solar cell of the present application has, in order, a back electrode, a hole transport layer, an interface passivation layer, a perovskite layer, an interface passivation layer, an electron transport layer, and conductive glass, wherein the HOMO energy level of an interface between the perovskite layer and the interface passivation layer is 0.01-0.4 eV, and the energy band gap between the HOMO energy level and the LUMO energy level is 0.01-0.4 eV; and the interface passivation layer contains: an organic amine salt of a biphenyl compound and/or an organic amine salt of an acene compound.

Abstract: A thin-film solar cell includes a plurality of cell units and an interconnection structure that includes a first isolation structure, a connection structure, and a second isolation structure. The connection structure is configured to connect the first electrode layer of a first cell unit and the second electrode layer of a second cell unit among the plurality of cell units, the first isolation structure is configured to isolate the first electrode layer of the first cell unit from the first electrode layer of the second cell unit, and isolate at least one of the functional layers of the first cell unit from the connection structure; the second isolation structure is configured to isolate the second electrode layer of the first cell unit from the second electrode layer of the second cell unit, and isolate at least one of the functional layers of the second cell unit from the connection structure.

Abstract: Provided are a perovskite betavoltaic-photovoltaic battery. The battery includes a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence. 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. The perovskite layer is doped with a fluorescent substance. At least one of the first electrode, the first charge transport layer, the second charge transport layer, or the second electrode is radioactive. When the first electrode and/or the second electrode is radioactive, the first electrode and/or the second electrode is an irradiated electrode formed by compounding a radioactive source and a conductor material.

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: A polymer comprises repeating units represented by formula (I): -M-R-Y- formula (I), wherein in the formula (I), M is selected from substituted or unsubstituted anilino, substituted or unsubstituted carbazolyl, substituted or unsubstituted acridinyl, substituted or unsubstituted phenothiazinyl or substituted or unsubstituted phenoxazinyl; R is selected from substituted or unsubstituted C1-C10 alkyl; and Y is selected from carboxyl or a salt thereof, a phosphoric acid group or a salt thereof, or a sulfonic acid group or a salt thereof.

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.