Abstract: Provided are a solar cell, a method for preparing a solar cell, a tandem solar cell, and a photovoltaic module. The solar cell includes a substrate, a doped conductive layer, and a dielectric layer. The substrate has a first surface, where the first surface includes electrode regions and non-electrode regions that are alternatingly arranged along a first direction. The doped conductive layer is formed over the first surface of the substrate. The doped conductive layer includes first conductive portions and at least one second conductive portion. Each respective first conductive portion of the first conductive portions is formed over a respective electrode region of the electrode regions, and each respective second conductive portion of the at least one second conductive portion is formed over a part of a non-electrode region of the non-electrode regions. The dielectric layer is between the first surface and the doped conductive layer.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include connection regions, first regions, and second regions; a dielectric layer formed over the electrode regions, the second regions, and the connection regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: Embodiments of the present disclosure provide a solar cell and a photovoltaic module. The solar cell includes a substrate, a tunneling dielectric layer formed on the substrate, a doped conductive layer formed on the tunneling dielectric layer, at least one conductive connection structure, a passivation layer over the doped conductive layer and the at least one conductive connection structure, and a plurality of finger electrodes. The doped conductive layer has a plurality of protrusions arranged along a first direction, each protrusion extends along a second direction perpendicular to the first direction. The at least one conductive connection structure is formed between two adjacent protrusions and connected with sidewalls of the two adjacent protrusions. Each finger electrode of the plurality of finger electrodes extends along the second direction to penetrate the passivation layer and connect to a respective protrusion.

Abstract: The solar cell includes: a substrate, a tunneling dielectric layer disposed over the substrate and a doped conductive layer formed over the tunneling dielectric layer. The doped conductive layer includes main body portions and first connecting portions. Each of the main body portions extends in a first direction, and the main body portions are arranged at intervals along a second direction perpendicular to the first direction. At least one first connecting portion in the first connecting portions is located between every two adjacent main body portions and in contact with each of the two adjacent main body portions. The solar cell further includes first electrodes each extending in the first direction. The first electrodes respectively correspond to the main body portions and are arranged at intervals along the second direction, and each first electrode is disposed on and electrically connected to a corresponding one of the main body portions.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions include first regions and second regions; a dielectric layer formed over the electrode regions and the second regions and not formed over the first regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include connection regions, first regions, and second regions; a dielectric layer formed over the electrode regions, the second regions, and the connection regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include a plurality of first regions and a plurality of second regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include a plurality of first regions and a plurality of second regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: Embodiments of the present disclosure relate to the field of solar cell technologies, and provide a solar cell, a method for preparing the same, and a photovoltaic module. The solar cell includes an N-type silicon substrate including a front surface and a rear surface opposite to the front surface. The front surface includes a plurality of pyramid structures, the rear surface includes a plurality of grooves, and some of the plurality of grooves are sequentially arranged along one arrangement direction. The solar cell includes a passivation layer formed over the front surface, a tunneling dielectric layer formed over the rear surface, and a doped conductive layer formed over the tunneling dielectric layer. Embodiments of the present disclosure at least help improve the photoelectric conversion efficiency of the solar cell by changing a morphology of the rear surface of the N-type silicon substrate.

Abstract: Embodiments of the present disclosure relate to the field of solar cell technologies, and provide a solar cell, a method for preparing the same, and a photovoltaic module. The solar cell includes an N-type silicon substrate including a front surface and a rear surface opposite to the front surface. The front surface includes a plurality of pyramid structures, the rear surface includes a plurality of grooves, and some of the plurality of grooves are sequentially arranged along one arrangement direction. The solar cell includes a passivation layer formed over the front surface, a tunneling dielectric layer formed over the rear surface, and a doped conductive layer formed over the tunneling dielectric layer. Embodiments of the present disclosure at least help improve the photoelectric conversion efficiency of the solar cell by changing a morphology of the rear surface of the N-type silicon substrate.

Abstract: Provided is a solar cell including: a silicon substrate, a passivation layer, a first antireflection layer, a second antireflection layer, a third antireflection layer, a tunneling dielectric layer formed over the rear surface, and a doped conductive layer formed over the tunneling dielectric layer. The silicon substrate includes at least one of P, Bi, Sb or As. The passivation layer includes an AlxOy material and is formed over the front surface, where 1/3?x/y?3. The first antireflection layer includes a SiNj material and is formed over the passivation layer, where 0.5?i/j?10. The second antireflection layer includes a SicNdOe material and is formed over the first antireflection layer, where 0.5?c/d?10, and 0.25?d/e?2. The third antireflection layer includes a SiaOb material and is formed over the second antireflection layer, where 0.5?a/b?3.

Abstract: A photovoltaic cell is provided, including a substrate having a surface with a marked region configured to mark product information of the photovoltaic cell and a non-marked region; a first texture structure in the marked region, including at least one first protrusion structure and at least one second protrusion structure, a respective first protrusion structure includes a truncated pyramid having a recessed top surface recessing toward a bottom surface of the respective first protrusion structure, and a respective second protrusion structure includes a pyramid structure; and a second texture structure disposed in the non-marked region, where the second texture structure includes at least one third protrusion structure, and a respective third protrusion structure of the at least one third protrusion structure includes a pyramid structure.

Abstract: A photovoltaic cell is provided, including a substrate; a marked region on a surface of the substrate, configured to mark product information of the photovoltaic cell; a first texture structure in the marked region on the surface of the substrate, including at least one first protrusion structure and at least one second protrusion structure, a respective first protrusion structure of the at least one first protrusion structure has a recessed top surface recessing toward a bottom surface of the respective first protrusion structure, and a respective second protrusion structure of the at least one second protrusion structure includes a pyramid structure; and a second texture structure disposed on a part of the surface of the substrate outside the marked region, where the second texture structure includes at least one third protrusion structure, and a respective third protrusion structure of the at least one third protrusion structure includes a pyramid structure.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module. The solar cell includes: a semiconductor substrate including first and second surfaces opposite to each other; emitter and first passivation layer formed over the first surface; tunneling layer formed over the second surface; first doped conductive layer and retardation layer formed on the tunneling layer and corresponding to metallization region, the first doped conductive layer is located between the tunneling layer and the retardation layer; second doped conductive layer formed over the tunneling layer and covering the tunneling layer in non-metallization region and the retardation layer, the retardation layer is configured to retard migration of doped element in the second doped conductive layer to the first doped conductive layer; second passivation layer formed over the second doped conductive layer; and second electrode forming contact with the second doped conductive layer and first electrode forming contact with the emitter.

Abstract: The present disclosure provides a solar cell. The solar cell includes a substrate, where the substrate has a front surface and a rear surface, the rear surface includes a textured region and a flat region, a doped surface field is formed in the textured region of the substrate; a tunneling dielectric layer, where the tunneling dielectric layer is located on the flat region; a doped conductive layer, where the doped conductive layer is located on the tunnelling dielectric layer, the doped conductive layer has doping elements, and the doped conductive layer has the same type of the doping elements with the doped surface field; a rear electrode, where a part of a bottom portion of the rear electrode is located in the doped conductive layer and the part of the bottom portion of the rear electrode is in contact with the doped surface field.

Abstract: A photovoltaic cell is provided, including a substrate, a doped layer, a tunneling dielectric layer, doped conductive layers, first electrodes, and conductive transport layers. A doping concentration of the doped layer is greater than that of the substrate. The doped layer includes first doped regions, second doped regions and third doped regions. A doping concentration of each first doped region is less than that of each second doped region and that of each third doped region. The tunneling dielectric layer is disposed on the first and second doped regions. Each doped conductive layer is aligned with a first doped region and is disposed on a tunneling dielectric layer. Each first electrode is disposed on and electrically connected to the doped conductive layer. Each conductive transport layer is aligned with a second doped region and is disposed on the tunneling dielectric layer.

Abstract: A solar cell is provided, including: a semiconductor substrate including a front surface and a rear surface arranged opposite to each other; an emitter located on the front surface of the semiconductor substrate; a front passivation layer located over the front surface of the semiconductor substrate; a tunneling layer located over the rear surface of the semiconductor substrate; a doped conductive layer located over a surface of the tunneling layer; a rear passivation layer located over a surface of the doped conductive layer; a front electrode in contact with the emitter; and a rear electrode in contact with the first doped conductive layer. The doped conductive layer includes a first doped conductive layer corresponding to a rear metallized region, and a second doped conductive layer corresponding to a rear non-metallized region. The first doped conductive layer has an oxygen content less than the second doped conductive layer.

Abstract: Provided are a solar cell and a photovoltaic module. The solar cell includes: an N-type silicon substrate, where the N-type silicon substrate has a front surface and a rear surface opposite to the front surface; a passivation layer that contains an aluminum oxide material and that is located on the front surface; a first antireflection layer, a second antireflection layer, and a third antireflection layer that are located on a side of the passivation layer away from the substrate and stacked in a direction in which the substrate points to the passivation layer, where the first antireflection layer contains a silicon nitride material, the second antireflection layer contains a silicon oxynitride material; and the third antireflection layer contains a silicon oxide material; a tunneling dielectric layer located on the rear surface; and a doped conductive layer located on the tunneling dielectric layer.

Abstract: The solar cell includes a substrate, a tunneling layer disposed on a first surface, and a first doped conductive layer disposed on a surface of the tunneling layer. The solar cell further includes a second doped conductive layer disposed on a surface of the first doped conductive layer, where the second doped conductive layer includes: multiple first portions and multiple second portions arranged alternately in a direction perpendicular to a predetermined direction and perpendicular to a thickness direction of the second doped conductive layer, each of the multiple first portions and the multiple second portions extends along the predetermined direction, a doping element concentration of the first doped conductive layer is lower than a doping element concentration of each of the multiple first portions, and the doping element concentration of each of the multiple first portions is lower than a doping element concentration of each of the multiple second portions.

Abstract: Embodiments of the present disclosure provide a photovoltaic cell, a method for manufacturing the photovoltaic cell, and a photovoltaic module. The photovoltaic cell includes a substrate, and an emitter and a first passivation structure that are located on a first surface of the substrate, where the emitter is located between the substrate and the first passivation structure; a first electrode, penetrating through the first passivation structure and being in contact with the emitter; and a first eutectic, located between the first electrode and the emitter, where the first eutectic includes a material of the first electrode and a material of the emitter, and a part of the first electrode penetrates through the first eutectic and is in contact with the emitter.