Company Filing History:
Years Active: 2011-2012
Title: Michaël Graetzel: Innovator in Solar Cell Technology
Introduction
Michaël Graetzel is a prominent inventor based in St-Sulpice, Switzerland. He is renowned for his contributions to the field of solar energy, particularly in the development of innovative solar cell technologies. With a total of 2 patents, Graetzel has made significant strides in enhancing the efficiency and stability of solar cells.
Latest Patents
One of Graetzel's latest patents involves an ionic liquid electrolyte. This invention relates to electrolytes comprising tetracyanoborate and an organic cation, which are essential components in electrochemical and optoelectronic devices, especially solar cells. The ionic liquid boasts low viscosity and can function as an electrolyte without the need for a solvent. Notably, it remains stable in solar cells even after enduring prolonged thermal stress at 80°C for 1000 hours, maintaining over 90% of its initial photovoltaic conversion efficiency.
Another significant patent focuses on a dye-sensitized solar cell. This invention features a heteroleptic polypyridyl complex of Ru, Os, or Fe, where the donating ligand has an extended conjugated n-system. This design increases light absorbance while keeping the LUMO energy level higher than that of the anchoring ligand. Additionally, a compacting compound with a specific molecular structure can be co-adsorbed with the dye on the semi-conductive metal oxide layer of the photoanode, forming a dense mixed self-assembled monolayer.
Career Highlights
Michaël Graetzel has had a distinguished career, primarily associated with the École Polytechnique Fédérale de Lausanne (EPFL). His work at this prestigious institution has allowed him to explore and develop groundbreaking technologies in the field of solar energy.
Collaborations
Throughout his career, Graetzel has collaborated with notable individuals such as Peng Wang and Shaik Mohammad Zakeeruddin. These partnerships have contributed to the advancement of solar cell technology and have fostered innovation in the field.
Conclusion
Michaël Graetzel's contributions to solar cell technology through his innovative patents and collaborations have significantly impacted the renewable energy sector. His work continues to inspire advancements in sustainable energy solutions.