Stefan Stöckel

Title: Innovations by Stefan Stöckel in Solar Cell Technology

Introduction

Stefan Stöckel is an accomplished inventor based in Radebeul, Germany. He has made significant contributions to the field of solar energy, particularly in improving the efficiency of silicon solar cells. His innovative methods have the potential to enhance the performance and reliability of solar technology.

Latest Patents

Stefan Stöckel holds a patent for a method aimed at improving the ohmic contact behavior between a contact grid and an emitter layer of a silicon solar cell. This invention involves a treatment step where a treatment current flow with a current density ranging from 200 A/cm² to 20,000 A/cm² is induced while biasing and illuminating the silicon solar cell. The objective of this method is to quantify the improvements achieved while minimizing any damage that may result from unfavorable process parameters. A measurement step is conducted before and/or after the treatment step to ensure the effectiveness of the method.

Career Highlights

Throughout his career, Stefan Stöckel has worked with notable organizations such as Ce Cell Engineering GmbH and Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. His experience in these institutions has allowed him to develop and refine his innovative approaches to solar technology.

Collaborations

Stefan has collaborated with esteemed colleagues, including Hongming Zhao and Eckehard Hofmüller. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Stefan Stöckel's work in the field of solar energy exemplifies the impact of innovative thinking on technology. His patent for improving the ohmic contact behavior in silicon solar cells represents a significant step forward in enhancing solar energy efficiency.