A photoelectric conversion device includes: a substrate; a first photoelectric conversion element including a first substrate electrode, a first photoelectric conversion layer, and a first counter electrode; a second photoelectric conversion element including a second substrate electrode, a second photoelectric conversion layer, and a second counter electrode; and a connection including a groove, a conductive portion and a conductive layer, the conductive portion being provided in the groove and including a part of the first counter electrode, and the conductive portion and the conductive layer electrically connecting the first counter electrode and the second substrate electrode. The conductive layer overlaps the first counter electrode on an edge of the groove, and a total thickness of the conductive portion and the conductive layer is larger than a thickness of the first counter electrode.

The present invention provides an aluminum paste for solar cells in which a reduction in conversion efficiency of solar cells is suppressed in spite of the presence of silicon. Specifically, the present invention provides an aluminum paste for solar cells, containing aluminum, silicon, and strontium, wherein when the total mass of the aluminum, silicon, and strontium is defined as 100 mass %, the content of the silicon is 1 mass % or more and 60 mass % or less, the content of the strontium is 0.001 mass % or more and 10 mass % or less, and the remainder is the aluminum.

A solar cell structure is disclosed that includes a first metal layer, formed over predefined portions of a sun-exposed major surface of a semiconductor structure, that form electrical gridlines of the solar cell; a network of carbon nanotubes formed over the first metal layer; and a second metal layer formed onto the network of carbon nanotubes, wherein the second metal layer infiltrates the network of carbon nanotubes to connect with the first metal layer to form a first metal matrix composite comprising a metal matrix and a carbon nanotube reinforcement, wherein the second metal layer is an electrically conductive layer in which the carbon nanotube reinforcement is embedded in and bonded to the metal matrix, and the first metal matrix composite provides enhanced mechanical support as well as enhanced or equal electrical conductivity for the electrical contacts against applied mechanical stressors to the electrical contacts.

An apparatus is disclosed for transferring a pattern of a composition containing particles of an electrically conductive material and a thermally activated adhesive from a surface of a flexible web to a surface of a substrate. The apparatus comprises: respective drive mechanisms for advancing the web and the substrate to a nip through which the web and the substrate pass at the same time and where a pressure roller acts to press the surfaces of the web and the substrate against one another, a heating station for heating at least one of the web and the substrate prior to, or during, passage through the nip, to a temperature at which the adhesive in the composition is activated, a cooling station for cooling the web after passage through the nip, and a separating device for peeling the web away from the substrate after passage through the cooling station, to leave the pattern of composition adhered to the surface of the substrate.

Provided are a solar cell, a manufacturing method thereof, and a photovoltaic module. The solar cell includes: a semiconductor substrate, in which a rear surface of the semiconductor substrate having a first texture structure, the first texture structure includes two or more first substructures at least partially stacked on one another, and a one-dimensional size of the top surface of the outermost first substructure is less than or equal to 45 μm; a first passivation layer located on a front surface of the semiconductor substrate; a tunnel oxide layer located on the first texture structure; a doped conductive layer located on a surface of the tunnel oxide layer, the doped conductive layer includes a P-type doped conductive layer and an N-type doped conductive layer; and a second passivation layer located on a surface of the doped conductive layer.

This application provides a solar cell, including a front electrode, a functional layer, and a back electrode. The front electrode is an electrode on a side of an illuminated surface. The front electrode includes a high-conductivity region and a low-conductivity region that are adjacent to each other, or the back electrode includes a high-conductivity region and a low-conductivity region that are adjacent to each other. The front electrode and/or the back electrode may be designed to be separated by region, and conductivity of one conductive region is designed to be higher than conductivity of the other conductive region. This can effectively avoid a film rectangular resistance loss caused by large-scale non-uniform lateral transfer of a photocurrent, and improve photoelectric conversion efficiency of the cell. In addition, cell comprehensive performance can be improved by flexibly selecting materials based on different requirements of different regions in different application scenarios.

An electronic device includes a substrate, a plurality of electronic components and a conductive material. The electronic components are arranged on the substrate, and the electronic components respectively include a lower electrode, a semiconductor layer and an upper electrode, and they are sequentially stacked on the substrate. The electronic components share the semiconductor layer, and the semiconductor layer forms a plurality of connecting channels through the semiconductor layer. The connecting channels are located between the upper electrode of the first electronic component in the electronic components and the lower electrode of the second electronic component in the electronic components. These connecting channels are processed by lasers of different powers. The conductive material is arranged in the connecting channel so that the upper electrode of the first electronic component is electrically connected to the lower electrode of the second electronic component.

Disclosed is a solar cell including a semiconductor substrate, and a dopant layer disposed over one surface of the semiconductor substrate and having a crystalline structure different from that of the semiconductor substrate, the dopant layer including a dopant. The dopant layer includes a plurality of semiconductor layers stacked one above another in a thickness direction thereof, and an interface layer interposed therebetween. The interface layer is an oxide layer having a higher concentration of oxygen than that in each of the plurality of semiconductor layers.

The present disclosure relates to a method of patterning a thin-film photovoltaic layer stack (20), the method comprising the steps of:—providing of a continuous layer stack (20), the layer stack (20) comprising a planar substrate (21), a first electrode layer (22) on the substrate (21) and a photovoltaic layer (24) on the electrode layer (22),—immersing the layer stack (20) into an electrically conductive solution (40),—applying a bias voltage between the electrolyte solution (40) and the first electrode layer (22) and—converting of a first material (51, 53) or a first material composition provided in at least a first portion (50, 52, 54) of the layer stack (20) into a first reaction product (56) by an electrochemical reaction, wherein the first reaction product (56) has an electrical conductivity that is lower than an electrical conductivity of the first material (51, 53) or first material composition, or—removing a first material (51, 53) or a first material composition provided in at least a first portion (50, 52, 54) of the layer stack (20) by an electrochemical reaction.

The present disclosure provides a support device for conveying at least one solar cell element in a transport direction, wherein the support device comprises a support element configured for supporting the at least one solar cell element and an electric arrangement configured for providing an electrostatic force for holding the at least one solar cell element on the support element.