Photovoltaic (PV) cells that can be interconnected with improved interconnect joints to form PV cell strings and PV modules. The improved interconnect joints comprise at least two types of adhesive bonding regions to maximize both electrical conductivity and mechanical strength of interconnect joints coupling terminals of PV cells. The disclosed approaches to PV cell interconnection provide greater manufacturing rates and higher quality PV cell strings and PV modules.

Approaches for the foil-based metallization of solar cells and the resulting solar cells are described. In an example, a solar cell includes a substrate. A plurality of alternating N-type and P-type semiconductor regions is disposed in or above the substrate. A conductive contact structure is disposed above the plurality of alternating N-type and P-type semiconductor regions. The conductive contact structure includes a plurality of metal seed material regions providing a metal seed material region disposed on each of the alternating N-type and P-type semiconductor regions. A metal foil is disposed on the plurality of metal seed material regions, the metal foil having anodized portions isolating metal regions of the metal foil corresponding to the alternating N-type and P-type semiconductor regions.

In the technical field of solar panel (1) manufacturing, a method is proposed for cross-connecting a solar cell array (2) of crystalline solar cells (3), in which at least one cross-connector (4, 9) of electrically conductive adhesive tape (5, 7) is used for cross-connection.

The present disclosure related to a method for interconnecting photovoltaic cells in order to form a photovoltaic cells assembly is provided. The method comprises the steps of providing a first photovoltaic cell comprising a first surface, a second surface, a first edge, and a second edge, arranging a conductive wire on the first surface of the first photovoltaic cell according to a certain pattern, and attaching the conductive wire to the first surface of the first photovoltaic cell with the aid of a first non-conductive yarn by stitching in the area of the first edge of the first photovoltaic cell according to a first stitch type.

A solar cell module insulation film disposed between a solar cell and a steel sheet in a solar cell module, the solar cell module insulation film including: a sealing material layer, an insulating substrate, and a polyethylene-based resin layer, in this order, wherein the polyethylene-based resin layer is a polyethylene film; and a wetting tension of a surface of the polyethylene-based resin layer that is opposite side to the insulating substrate is 36 dyne/cm or more.

The present invention relates to an electrically conductive composition comprising a silicone resin comprising at least one vinyl-group; a silicone cross-linker having at least one SiH group; electrically conductive particles; a solvent; an adhesion promoter; a catalyst; and an inhibitor, wherein ratio between SiH groups and vinyl-groups is equal or greater than 1.3 but equal or less than 10.

A glue printing mesh and a photovoltaic module. The glue printing mesh includes an outer frame, a mesh body and mesh holes. The outer frame is arranged at an edge of the mesh body, the mesh body includes a connection region and a glue printing region, the connection region surrounds an outer side of the glue printing region, the connection region is fixedly connected to the outer frame; the mesh body further includes a protruding portion, the protruding portion is located on a side of the glue printing region in a thickness direction of the glue printing mesh, and a side of the protruding portion facing away from the mesh body is configured to be in contact with a solar cell. The mesh holes are arranged in the glue printing region, and the mesh holes pass through the mesh body in the thickness direction of the glue printing mesh.

A semiconductor device and a solar cell each having a bonding structure improving reliability of the semiconductor device or the solar cell and a method of manufacturing the same are provided. A semiconductor device or a solar cell includes: a first semiconductor element SB1 including a silicon layer and having a first bonding surface; a second semiconductor element SB2 having a second bonding surface facing the first bonding surface; and a plurality of electrically-conductive nanoparticles 23 positioned between the first bonding surface and the second bonding surface and electrically connecting the first semiconductor element SB1 and the second semiconductor element SB2 to each other, and the plurality of electrically-conductive nanoparticles 23 intrude into the silicon layer. In addition, a method of manufacturing a semiconductor device or a solar cell includes: a step of preparing a first semiconductor element SB1 and a second semiconductor element SB2; a step of arranging a plurality of electrically-conductive nanoparticles 23 on a first bonding surface of the first semiconductor element SB1; a step of intruding the plurality of electrically-conductive nanoparticles 23 into the silicon layer; and then, a step of facing and pressing the second bonding surface to and against the first bonding surface through the plurality of electrically-conductive nanoparticles 23 therebetween.

A solar battery according to the present embodiment has an electrode, which includes a metal and an adhesive material, formed in a conductive region including a polycrystalline semiconductor layer, and thus, the electrical characteristics of the solar battery may be improved and the manufacturing process thereof may be simplified. More specifically, the solar battery includes a semiconductor substrate, and the conductive region including the polycrystalline semiconductor layer is positioned on one surface of the semiconductor substrate.

Proposed are a light source-tracking solar cell array, and a light source-tracking solar power generation system using same. More specifically, a light source-tracking solar cell array, and a light source-tracking solar power generation system using same, wherein light source-tracking solar cell array includes a stretchable solar module including a plurality of unit solar cells and a metal fiber-based conductive connector having elasticity and flexibility, wherein the plurality of unit solar cells are connected to each other by the conductive connector, and a transformable means which transforms in shape according to a change in position of a light source by connecting at least two or more of the plurality of unit solar cells, wherein the stretchable solar module is transformed in shape as the transformable means changes intervals between the unit solar cells due to the changes in the position of the sun.