Overview
Personal Profile
Sherif Khalifa is a member of the Integrated Modeling and Economic Analysis group within NLR’s Strategic Energy Analysis Center. His expertise includes life cycle assessment, technoeconomic assessment, complex system dynamics modeling, supply chain risk assessment for critical materials, energy systems, advanced manufacturing solutions and industrial efficiency efforts. Khalifa currently leads a portfolio of strategic analysis projects for different U.S. Department of Energy offices, U.S. government and industry clients for various energy systems analysis, and critical materials projects.
Research Interests
Lifecycle assessment
Energy systems
Critical materials and supply chains
System dynamics
Life cycle inventory modeling
Professional Experience
Subcontractor, NLR, Golden, Colorado (2020-2022)
Graduate Intern, NLR, Golden, Colorado (2019)
Research and Teaching Assistant, Drexel University, Philadelphia, Pennsylvania (2017-2022)
Visiting Scholar, Texas A&M, College Station, Texas (2016)
Co-op researcher, Solvay SA Inc. (2014)
Education/Academic Qualification
PhD, Chemical Engineering, Drexel University
Bachelor, Chemical Engineering, Drexel University
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Collaborations and Top Research Areas From the Past 5 Years
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Circularity Futures Workshop Series: Summary Report
Walzberg, J., Khalifa, S., Sharma, M., Dean, W., Wachs, L., Avelino, A., Upasani, S., Ghosh, T., Hanes, R., Eberle, A. & Carpenter, A., 2025, 42 p.Research output: NLR › Technical Report
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Life Cycle Inventories and Data Gap Analysis for Rare Earth Elements: Neodymium and Dysprosium from Mining to Magnets
Brown, L. & Khalifa, S., 2025, 1 p. National Laboratory of the Rockies (NLR).Research output: NLR › Poster
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Recycling Wind Energy Systems in the United States Part 1: Providing a Baseline for America's Wind Energy Recycling Infrastructure for Wind Turbines and Systems: U.S. Department of Energy (DOE)
Christoffel, T., Khalifa, S., Berry, D., Lee Ennis, B., Wang, P., Marquis, M., Sproul, E., Das, S., Alnaggar, M., Brooks, A., Korey, M., Jackson, A., Eberle, A., Oteri, F., Walzberg, J., Kreider, M., Paranthaman, P., Kemp, J., Wang, H. & Atkins, C. & 1 others, , 2025, 140 p.Research output: NLR › Technical Report
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Dynamic Material Flow Analysis of Silicon Photovoltaic Modules to Support a Circular Economy Transition
Khalifa, S., Mastrorocco, B., Au, D., Ovaitt, S., Barnes, T., Carpenter, A. & Baxter, J., 2022, In: Progress in Photovoltaics: Research and Applications. 30, 7, p. 784-805 22 p.Research output: Contribution to journal › Article › peer-review
30 Scopus Citations -
Toward the Advanced Manufacturing of Land-Based Wind Turbine Blades: Preprint
Bortolotti, P., Berry, D., Carron, W., Khalifa, S., Anderson, T., Meyer, P. & Chann, M., 2022. 16 p.Research output: Contribution to conference › Paper
Activities
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American Center for Life Cycle Assessment (External organization)
Carpenter, B. (Member), Heath, G. (Member) & Khalifa, S. (Member)
0001Activity: Membership › Membership of network
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American Institute of Chemical Engineers (AIChE) (External organization)
Klein, B. (Member), Dupuis, D. (Member), Johnson, D. (Member), Yadav, G. (Member), Ferrell, J. (Member), Jorgenson, J. (Member), Hassanaly, M. (Member), Pomeroy, M. (Member), Ruth, M. (Member), Guerra Fernandez, O. J. (Member), Hanes, R. (Member), Ghosh, T. (Member), Bharadwaj, V. (Member), Chen, Y. (Member), Ghoshal, D. (Member), Puente-Urbina, A. (Member), Young, A. (Member), Hill, A. (Member), Deshpande, A. (Member), Jeong-Potter, C. (Member), Chen, X. (Member), Khalifa, S. (Member), Carvalho, Q. (Member), Kiani, D. (Member), Appleby, B. (Member), Moon, H. (Member), Baker, M. (Member), Gamil, A. (Member) & Kocher, J. (Member)
0001Activity: Membership › Membership of network
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Critical Materials Institute (External organization)
Khalifa, S. (Member)
0001Activity: Membership › Membership of network