A high efficiency configuration for a solar cell module comprises solar cells conductively bonded to each other in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency.

This method for manufacturing a solar cell module comprises a step for applying an adhesive to a first adhesion region so that the first adhesion region and a second adhesion region are disposed alternately on a light receiving surface of a solar cell along a first direction, and a step for arranging a light receiving surface-side wiring material along the first direction on the light receiving surface side of the solar cell to which the adhesive has been applied. The step for arranging the light receiving surface-side wiring material comprises arranging the light receiving surface-side wiring material, in the first adhesion region and the second adhesion region of the solar cell so that, in a state in which a first holder is in contact with the holding region of the light receiving surface-side wiring material, the second adhesion region and the holding region overlap each other.

The subject of this invention is a method for testing the data and control interface of individual machines intended for interconnection in an inline system for solar cell production. Furthermore, an Interface-Tester suitable for executing the testing method is disclosed. The method for testing comprises the steps of feeding a dummy workpiece to the tested machine and connecting the interface tester to the standard interface of the machine. Consecutively the interface tester sends controlling signals to the machine and receives the signals from the tested machine. The received signals are compared to reference signals and evaluated. The interface tester comprises a standard interface for coupling the machines in an inline system for solar cell production. Furthermore, the interface tester is equipped with at least one CPU, a volatile and/or non-volatile memory, communication modules, couplers and connectors and at least one human-machine interface.

A method for producing in a roll-to-roll process modules of thin film photovoltaic cells in a substrate film, the modules including the substrate with a photovoltaic layer inbetween a lower and upper electrode layer, by using an apparatus including a belt conveyor, and scribe and print stations arranged at respective positions along a transport direction of the belt conveyor to create an interconnection structure between the photovoltaic cells including an arrangement of structural elements having one or more conductive and isolating scribe lines and a conductive body connecting adjacent thin film photovoltaic cells. The method includes: creating by the processing stations, the interconnection structure in the moving substrate film; measuring the structural elements and determining parameters of each structural element; based on the parameters establishing a positioning error, associated with a functional defect; based on the error, correcting settings of one or more processing stations and/or the belt conveyor.

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.

A high efficiency configuration for a solar cell module comprises solar cells conductively bonded to each other in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency.

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.

Metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, solar cell circuit, solar cell strings, and solar cell arrays are described. A solar cell string can include a plurality of solar cells. The plurality of solar cells can include a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding one of the semiconductor regions.

Photovoltaic devices, and methods of fabricating photovoltaic devices. The photovoltaic devices may include a first electrode, at least one quantum dot layer, at least one semiconductor layer, and a second electrode. The first electrode may include a layer including Cr and one or more silver contacts.

A welding method for a welding strip of a back-contact solar cell chip includes the following steps: firstly, welding small chip assemblies of a back-contact solar cell to be interconnected to form a small cell string through an interconnected bar; then, punching the small cell string into small cell assemblies separated from each other through a cutting or punching process; subsequently, flexibly welding the small cell assemblies by a bus bar to reach a required length of a finished assembly product; and finally, breaking the bus bar through a post cutting or punching process to form cell assemblies with positive and negative electrodes connected in series or in parallel. The method makes the welding surfaces of the solar cell chips be on the same surface through using the back-contact solar cell chips, so that the interconnected bar of the solar cell chips can be welded rapidly and continuously.