Location History:
- Montgiscard, FR (1995 - 2002)
- Montgiscaro, FR (2002 - 2011)
Company Filing History:
6 out of 310 
1 out of 5,094 
1 out of 280 
Years Active: 1995-2011
Title: The Innovations and Contributions of Inventor Patrick Willmann
Introduction
Patrick Willmann, an accomplished inventor based in Montgiscard, France, has made significant contributions to the field of materials science and battery technology. With a record of six patents, his innovations focus primarily on advancements in negative electrode materials for lithium-ion batteries, highlighting his expertise and commitment to improving energy storage solutions.
Latest Patents
Among his most recent patents, Willmann has developed a negative electrode composite material and a corresponding production method that plays a crucial role in lithium-ion batteries. The patented material comprises an active phase consisting of a combination of aluminum, silicon, tin, antimony, or mixtures thereof. Accompanying this active phase is a support phase made of a material with specific cationic compositions ensuring electroneutrality. This innovative composite enhances the efficiency and performance of lithium-ion batteries significantly.
Additionally, Willmann has focused on additives that improve the reversibility of carbon electrodes in lithium-ion secondary electrochemical generators. These additives, which include cyclic and non-cyclic α-halogenated esters, are designed to create a protective passivation film during the first use of the generator, thereby enhancing its longevity and performance.
Career Highlights
Patrick Willmann's career has been marked by his work at prestigious organizations such as the Centre National d'Études Spatiales (CNES) and the Centre National de la Recherche Scientifique (CNRS). These experiences have honed his skills and allowed him to engage with cutting-edge research in space and scientific discovery.
Collaborations
Throughout his career, Willmann has collaborated with notable colleagues, including Denis Billaud and Abdelaziz Naji. These partnerships have played an essential role in fostering innovation and advancing the field of battery technology through shared knowledge and joint research efforts.
Conclusion
In summary, Patrick Willmann stands out as a prominent inventor in the realm of battery technology, with a focus on negative electrode materials for lithium-ion batteries. His innovative patents and collaborative efforts underscore the importance of his work in addressing modern energy challenges and enhancing the efficiency of energy storage systems.