Company Filing History:
Years Active: 2004
Title: Innovator Spotlight: Joseph Drennan and His Contributions to Alkaline Cell Technology
Introduction: Joseph Drennan, an innovative inventor based in Derby, CT, has made significant contributions to the field of alkaline cell technology. With a total of two patents to his name, Drennan’s work focuses on enhancing the performance and efficiency of alkaline cells through novel materials and compositions.
Latest Patents: Drennan's most recent innovations include the development of an alkaline cell with an improved cathode that incorporates copper hydroxide and sulfur additives. This design features an anode made from zinc and an aqueous alkaline electrolyte, with a cathode mixture that comprises copper oxide or copper hydroxide. A notable aspect of this patent is the addition of graphitic carbon, preferably in the form of expanded graphite or graphitic carbon nanofibers, which significantly reduces cathode resistivity. Furthermore, the incorporation of sulfur with copper hydroxide improves overall cell performance. His earlier patent presents an alkaline cell that uses copper iodate in the cathode with graphitic carbon aimed at enhancing electrical conductivity, similarly leveraging sulfur to boost efficiency.
Career Highlights: Drennan’s career is marked by his role at The Gillette Company, where his expertise in electrochemistry and material science has allowed him to produce cutting-edge innovations in battery technology. His work is vital in the development of more efficient and powerful alkaline cells, which are essential for numerous consumer products.
Collaborations: Throughout his career, Drennan has collaborated with notable colleagues such as Francis Wang and James Rozelle. These partnerships highlight the collaborative nature of innovation within The Gillette Company, where teamwork and shared expertise are crucial in driving forward technological advancements.
Conclusion: Joseph Drennan continues to make impactful contributions in the realm of alkaline cell technology. His patents reflect a commitment to improving energy storage solutions, thereby enhancing the functionality of everyday products. His work stands as a testament to the power of innovation within the field of electrochemistry, solidifying his place as a remarkable inventor in the industry.