This inventor holds 3 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Ce Cell Engineering Gmbh, Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v.. Active years: 2022-2025.
Company Filing History:

Years Active: 2022-2025
Title: Innovations of Hongming Zhao in Solar Cell Technology
Introduction
Hongming Zhao is a notable inventor based in Halle, Germany. He has made significant contributions to the field of solar cell technology, particularly in improving the ohmic contact behavior between contact grids and emitter layers in silicon solar cells. With a total of 3 patents to his name, Zhao's work is pivotal in enhancing the efficiency and reliability of solar energy systems.
Latest Patents
One of Zhao's latest patents is a method for improving the ohmic contact behavior between a contact grid and an emitter layer of a silicon solar cell. This invention focuses on a treatment step that induces a treatment current flow with a current density ranging from 200 A/cm² to 20,000 A/cm² while biasing and illuminating the silicon solar cell. The goal is to quantify the improvements achieved by the method and to detect any damage caused by unfavorable process parameters during implementation. Another patent addresses the minimization of material effects caused by irradiation on the sun-facing side of silicon solar cells, particularly those with high sheet resistance. This method involves applying a voltage that is less than the breakdown voltage of the silicon solar cell while guiding a point light source over the sun-facing side to induce a current flow.
Career Highlights
Throughout his career, Hongming Zhao has worked with prominent organizations such as Ce Cell Engineering GmbH and Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. His experience in these companies has allowed him to develop innovative solutions that address critical challenges in solar technology.
Collaborations
Zhao has collaborated with notable colleagues, including Marko Turek and Eve Krassowski. These partnerships have contributed to the advancement of research and development in the field of solar energy.
Conclusion
Hongming Zhao's contributions to solar cell technology through his innovative patents and collaborations highlight his role as a key figure in the advancement of renewable energy solutions. His work continues to influence the efficiency and effectiveness of solar energy systems.