Qingmei Cheng

Title: Innovations in Solar Energy Storage by Qingmei Cheng

Introduction

Qingmei Cheng is an innovative inventor based in Brighton, MA (US). She has made significant contributions to the field of solar energy storage through her groundbreaking patent. Her work focuses on developing advanced battery technologies that harness solar energy efficiently.

Latest Patents

Qingmei Cheng holds a patent for a "Photorechargeable high voltage redox battery enabled by photoelectrodes." This solar rechargeable battery combines the advantages of photoelectrochemical devices and batteries, emerging as an attractive alternative to artificial photosynthesis for large-scale solar energy harvesting and storage. The patent addresses the challenge of low photovoltages by photoelectrodes, demonstrating that combined photovoltages exceeding 1.4 V can be achieved using a TaNnanotube photoanode and a GaN nanowire/Si photocathode with high photocurrents greater than 5 mA/cm. This innovative photoelectrode system enables the operation of a 1.2 V alkaline anthraquinone/ferrocyanide redox battery with a high ideal solar-to-chemical conversion efficiency of 3.0% without the need for externally applied potentials. Importantly, the photocharged battery was successfully discharged with a high voltage output.

Career Highlights

Qingmei Cheng is affiliated with The Trustees of Boston College, where she continues to advance her research in energy storage technologies. Her work has garnered attention for its potential impact on renewable energy solutions.

Collaborations

Qingmei collaborates with Dunwei Wang, a fellow researcher who contributes to their shared goals in the field of solar energy.

Conclusion

Qingmei Cheng's innovative work in solar energy storage exemplifies the potential of advanced battery technologies to revolutionize energy harvesting and storage. Her contributions are paving the way for more efficient and sustainable energy solutions.