Jörg Hinrich Fechner

Title: Jörg Hinrich Fechner – Innovator in Photovoltaic Technology

Introduction

Jörg Hinrich Fechner is a notable inventor located in Mainz, Germany, recognized for his significant contributions to the field of photovoltaic technology. With a total of 10 patents to his name, Fechner has focused on developing advanced materials that enhance the efficiency and stability of solar cells.

Latest Patents

Among his recent inventions is a photovoltaic cell that utilizes a substrate glass made of aluminosilicate glass. This innovative glass composition includes SiO2 and Al2O3, as well as alkali metal oxide Na2O and alkaline earth oxides such as CaO, MgO, and BaO. The carefully balanced glass composition comprises 10 to 16 wt.-% Na2O, 0 to 5 wt.-% CaO, and 1 to 10 wt.-% BaO, with a CaO to MgO ratio ranging from 0.5 to 1.7. This aluminosilicate glass demonstrates excellent thermal stability with a transformation temperature exceeding 580°C and can be processed at temperatures below 1200°C, making it a promising alternative to traditional soda-lime glass. It is particularly useful as substrate glass, superstrate glass, or cover glass in thin-film photovoltaic technologies that utilize semiconductor materials like CdTe, CIS, or CIGS.

Another one of his patents showcases an aluminosilicate glass characterized by a thermal expansion coefficient of 8 to 10×10^-6/K between 20 to 300°C, and a transformation temperature (Tg) between 580°C and 640°C. This glass can withstand processing temperatures ranging from 1065°C to 1140°C, positioning it as a valuable substitute for soda-lime glasses, especially in applications requiring high thermal stability in the semiconductor sector, including photovoltaic applications.

Career Highlights

Throughout his career, Jörg Hinrich Fechner has made significant strides in materials science, particularly in developing innovative glass technologies for the solar energy sector. His work has led to the innovative designs of photovoltaic cells that leverage the unique properties of aluminosilicate glass, enhancing their performance and longevity. He has had an impactful career with a focus on sustainability and renewable energy solutions.

Collaborations

Jörg has collaborated with prominent companies including Schott AG and Plansee SE, which are leaders in glass and materials technology. His collaborations have allowed him to further his research and development efforts in creating state-of-the-art photovoltaic solutions. Additionally, he has worked with talented co-inventors such as José Zimmer and Franz Ott, contributing to the advancement of materials science.

Conclusion

Jörg Hinrich Fechner’s contributions to the field of photovoltaic technology and materials science have established him as an influential inventor in the renewable energy sector. With ten patents to his name, his work continues to pave the way for more efficient and sustainable solar technologies, solidifying his legacy as a key innovator in this vital industry.