Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.

Andreas Brand

Jan Nekarda

Ralf Preu

Florian Clement

Stefan Rein

Puzant Baliozian

Tobias Fellmeth

Nico Wöhrle

Pierre Saint-Cast

Martin Graf

Angela De Rose

Karin Krauss

Achim Kraft

Fabian Fertig

Elmar Lohmüller

Jan Tobias Paschen

Fabian Meyer

A method for producing a solar cell string includes:

Process for manufacturing a solar cell string, solar cell string, processing device for a solar cell string, and use of such a processing device for manufacturing a solar cell string

A method for producing a photovoltaic solar cell, including the method steps: A. providing at least one solar cell precursor having at least one base and at least one emitter; B. providing a metal film on a back side of the solar cell precursor, so that the metal film is electrically conductively connected to the base or the emitter, the metal film being formed as an integral component of the back side contact and the solar cell being terminated on the back side. The at least one cell connection region on at least one side of the metal film overhangs the edge of the solar cell precursor by at least 1 mm, preferably by at least 3 mm.

Method for producing a photovoltaic solar cell, photovoltaic solar cell and photovoltaic module

A a semiconductor component () having a front side and an opposite rear side and also side surfaces, and also at least one emitter () and at least one base (), wherein a pn junction () is formed between emitter () and base () and the emitter () extends parallel to the front and/or rear side. At least one side surface is a passivated separating surface (T), at which a separating surface passivation layer () is arranged, which has stationary charges having a surface charge density at the separating surface (T) with a magnitude of greater than or equal to 10cm-2. A method for singulating a semiconductor component () having a pn junction is also provided.

Semiconductor component and method for singulating a semiconductor component having a pn junction

The invention relates to a method for stabilizing a photovoltaic silicon solar cell, including a regeneration step in which a semiconductor substrate of the solar cell which are heated to at least 50&#xb0; C. is injected with charge carriers. The invention is characterized in that a degradation step is carried out before the regeneration step, wherein the solar cell is subjected to radiation, in particular laser radiation, having an illumination intensity of at least 5.000 W/m2 and the solar cell is simultaneously cooled. The invention also relates to a device for stabilizing a photovoltaic silicon solar cell.

Method and device for stabilizing a photovoltaic silicon solar cell

Growing community of inventors

Freiburg, Germany

Andreas Brand