Location History:
- Limoges, CA (2001)
- Embrum, CA (2003)
- Embrun, CA (2006)
Company Filing History:
Years Active: 2001-2006
Title: Innovations by James H Dunn in Fuel Cell Technology
Introduction
James H Dunn is a notable inventor based in Limoges, CA, recognized for his contributions to fuel cell technology. With a total of four patents to his name, Dunn has made significant strides in enhancing the efficiency and performance of fuel cells. His innovative methods and devices aim to rejuvenate fuel cells, addressing critical challenges in the field.
Latest Patents
Dunn's latest patents include a method and apparatus for rejuvenating fuel cells. This invention discloses methods and devices for rejuvenating, supplementing, or bypassing individual fuel cells or groups of fuel cells within a stack. The technology focuses on removing catalyst poisons from both the anode and cathode portions of the fuel cell, thereby improving the operation of the electrolytes. A controller is utilized to manage a variable resistor or power supply in parallel with the fuel cells, allowing for direct control of the current. By adjusting the resistive value or voltage level, Dunn's invention effectively rejuvenates the fuel cell by removing deposited poisons through short, periodic pulsing of the fuel cell potential. Additionally, his patents include methods for diagnosing and optimizing fuel cell stack performance.
Career Highlights
Throughout his career, Dunn has worked with companies such as Estco Battery Management Inc. and Estco Energy Inc. His experience in these organizations has contributed to his expertise in fuel cell technology and management.
Collaborations
Dunn has collaborated with notable individuals in the field, including Julio C De Oliveira and David H Gerwing. These partnerships have likely enhanced his innovative capabilities and broadened the impact of his work.
Conclusion
James H Dunn's contributions to fuel cell technology through his innovative patents demonstrate his commitment to advancing energy solutions. His work not only addresses current challenges but also paves the way for future developments in the field.