Jeffrey Poirier

Title: Innovations by Jeffrey Poirier in Electrochemical Cells

Introduction

Jeffrey Poirier is an accomplished inventor based in Bedford, MA (US), known for his significant contributions to the field of electrochemical cells. With a total of 2 patents, Poirier has developed innovative mechanisms that enhance the safety and efficiency of these energy storage devices.

Latest Patents

Poirier's latest patents include a current interrupter for electrochemical cells. This invention features a thermally activated current interrupt mechanism integrated into an end cap assembly for an electrochemical cell. The mechanism utilizes a free-floating bimetallic disk or shape memory alloy member that deforms when exposed to elevated temperatures, effectively breaking the electrical pathway and preventing current flow. This design ensures that the cell can be safely shut down in case of overheating. Additionally, the current interrupter assembly is a self-contained unit that can be inserted during cell construction, making it particularly useful for thin rechargeable cells.

Career Highlights

Jeffrey Poirier works at Duracell Inc., where he has been instrumental in advancing battery technology. His work focuses on improving the safety features of electrochemical cells, which is critical in preventing potential hazards associated with battery failures.

Collaborations

Poirier collaborates with notable colleagues such as Paul Cheeseman and Michael McDermott, contributing to a team that drives innovation in battery technology.

Conclusion

Jeffrey Poirier's work in developing current interrupters for electrochemical cells showcases his commitment to enhancing battery safety and efficiency. His contributions are vital in the ongoing evolution of energy storage solutions.