Norman A Freeman

Title: **The Innovative Mind of Norman A. Freeman**

Introduction

Norman A. Freeman is a notable inventor based in Toronto, Canada, recognized for his contributions to the field of electrochemical devices. With a portfolio that includes four patents, his work primarily focuses on enhancing the performance and reliability of batteries and fuel cells, which are critical components in various energy applications.

Latest Patents

Freeman's latest patents showcase his deep understanding of electrochemical systems. One significant patent is for a "System and method for measuring internal resistance of electrochemical devices." This innovation provides a method and system for accurately measuring the impedance and voltage characteristics of individual cells within multi-cell electrochemical devices, such as batteries and fuel cell stacks. The patented system comprises multiple cells, a measuring device with inputs to generate voltage and current signals, a current supply for modulating current values, and a controller that adjusts system operating conditions based on the measured characteristics.

Additionally, Freeman holds a patent titled "Method and apparatus for monitoring fuel cell voltages." This invention offers a systematic approach to monitor the voltages across multiple electrochemical cells connected in series. The method involves dividing the cells into groups, measuring the voltage in each group, and estimating the minimum cell voltage based on the average stack voltage and the number of deficient cells, ensuring optimal performance of the fuel cell system.

Career Highlights

Currently, Norman A. Freeman is employed at Hydrogenics Corporation, a company renowned for its advancements in hydrogen generation and fuel cell technologies. His work at the company reflects his commitment to improving energy solutions through innovation. Over his career, Freeman has demonstrated an ability to apply his inventive skills to real-world challenges, significantly impacting the field of electrochemical technology.

Collaborations

Throughout his professional journey, Freeman has collaborated with other talented individuals, including his colleagues Ravi B. Gopal and Stephane Masse. These collaborations have helped to foster an environment of creativity and technical excellence, further driving the innovation that defines Freeman's work.

Conclusion

Norman A. Freeman's contributions to the field of electrochemical devices through his patents illustrate his inventive spirit and dedication to advancing technology. As he continues to work at Hydrogenics Corporation, his future innovations promise to further enhance the efficiency and reliability of energy systems, thereby playing a vital role in the transition to sustainable energy solutions. His work serves as an inspiration for aspiring inventors in the field.