Daniel Coueille

Title: **Daniel Coueille: Innovating Button-Type Electric Cells**

Introduction

Daniel Coueille is a notable inventor based in Poitiers, France. With a remarkable portfolio of three patents, he has significantly contributed to the development of technologies in the field of electric cells. His inventions focus primarily on improving the efficiency and structure of button-type electric cells, showcasing his expertise and innovative ideas.

Latest Patents

Among his latest innovations is an arrangement for sealing an electric cell. This design incorporates a metal cup that holds a first electrode and a metal cap that serves as a cover, containing a second electrode of opposite polarity. The inventive aspect involves the rim of the cup being turned down over a seal placed on the rim of the cap. The inclusion of a specially designed metal ring, which features both cylindrical and stair-case portions, ensures effective compression of the seal against the cup's cylindrical wall.

Another noteworthy patent concerns button-type electric cells themselves. This invention outlines a structure where two cups, containing positive and negative active materials, interlock and are insulated from each other via a seal. The positive cup is designed with a compartment, which is separated from the positive material by a perforated sheet. This compartment becomes filled with electrolyte when the active materials expand to their maximum volume, especially relevant for lithium cells utilizing cupric oxide, lead oxide, or red lead as positive materials.

Career Highlights

Daniel Coueille’s professional journey is marked by his association with Saft - Société des Accumulateurs Fixes et de Traction, a renowned company specializing in energy storage solutions. His work there emphasizes the practical applications of his patents, bridging the gap between innovative design and commercial viability in the battery sector.

Collaborations

Throughout his career, Coueille has positioned himself within collaborative efforts aimed at enhancing battery technology. Working alongside other specialists and researchers, he has fostered advancements that not only reflect his creativity but also push the boundaries of current technologies in energy storage.

Conclusion

In conclusion, Daniel Coueille stands out as an inventor whose work on button-type electric cells has significant implications for future energy solutions. His innovative approach to sealing mechanisms and the construction of electric cells exemplifies the vital role inventors play in advancing technology. With his continued efforts, Coueille remains a key figure in the realm of electrical engineering and innovation.