Michael H Butler

Title: Innovations by Michael H Butler in Battery Technology

Introduction

Michael H Butler is an accomplished inventor based in Dayton, MD (US). He has made significant contributions to the field of battery technology, particularly in the area of lithium-ion rechargeable cells. His innovative work focuses on methods to determine internal temperatures of these cells during charge and discharge cycles.

Latest Patents

Michael H Butler holds a patent for a "Battery phase meter to determine internal temperatures of lithium-ion rechargeable cells under charge and discharge." This invention involves methods and systems to ascertain the internal temperature of a rechargeable lithium-ion cell based on a phase shift of the cell. The internal cell temperature can be determined concerning the internal anode temperature and/or the internal cathode temperature. The internal anode temperature is determined based on a phase shift of a frequency within a range of approximately 40 Hertz (Hz) to 500 Hz, while the internal cathode temperature is determined based on a phase shift of a frequency of up to approximately 30 Hz. The temperature sensor described in this patent can be powered by a monitored cell with minimal impact on cell charge and can monitor multiple cells in a multiplex fashion.

Career Highlights

Michael H Butler is associated with The Johns Hopkins University, where he continues to advance research in battery technology. His work has implications for improving the safety and efficiency of lithium-ion batteries, which are widely used in various applications.

Collaborations

Michael has collaborated with notable colleagues, including Rengaswamy Srinivasan and Bliss G Carkhuff, contributing to the advancement of battery technology through shared expertise and innovative ideas.

Conclusion

Michael H Butler's contributions to battery technology, particularly through his patented methods for determining internal temperatures of lithium-ion cells, highlight his role as a significant inventor in this field. His work not only enhances the understanding of battery performance but also paves the way for safer and more efficient energy storage solutions.