Personal Profile

Jeffrey Gifford is a postdoctoral researcher at the National Renewable Energy Laboratory after completing his Ph.D. in the Advanced Energy Systems program at the Colorado School of Mines in May 2023. His dissertation research answered key questions about long-duration, particle-based thermal energy storage systems using a multi-method approach, including computational fluid dynamics, dynamic integrated system modeling, and mixed-integer linear programming for design and dispatch optimization. His overall research interest is energy storage systems for economy-wide decarbonization but mainly focuses on component, system, and techno-economic modeling of particle-based thermal energy storage for industrial heat and grid electricity applications. He has also worked on modeling hydrogen electrolysis and leakage. 

Research Interests

Thermal energy storage

Computational fluid dynamics

Optimal design and dispatch of energy storage systems

Long-duration energy storage

Professional Experience

Postdoctoral Researcher, NREL (2023–Present)

Graduate Researcher, NREL (2018–2023)

Research Assistant, Colorado School of Mines (2020–2023)

Teaching Assistant, University of Colorado–Boulder (2018–2019)

Science Undergraduate Laboratory Intern Program, NREL (Summer 2018)

Education/Academic Qualification

PhD, Advanced Energy Systems, Colorado School of Mines

Bachelor, Mechanical Engineering, Purdue University

Master, Mechanical Engineering, University of Colorado Boulder


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