Nelson James joined NREL's Building Energy Science group in 2020. His work focuses on the advancement of thermal energy storage systems and high efficiency grid-interactive HVAC technologies.

Before joining NREL, James was an Oak Ridge Institute for Science and Education (ORISE) Science and Technology Policy Fellow at the U.S. Department of Energy’s Building Technologies Office, supporting the Emerging Technologies Program. There he focused on advancing the Office’s research efforts on thermal energy storage, grid-interactive efficient buildings, and energy resilience in buildings. His Ph.D. research focused on not-in-kind heat pumping technologies, where he developed novel systems employing electrochemical processes in thermal cycles. He has expertise in the computational and experimental design and analysis of thermal systems and components for building applications. 

Design of thermal systems

Thermal energy storage materials and systems

Thermal and moisture management in buildings

Decarbonization in the built environment