About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
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Symposium
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Materials and Chemistry for Molten Salt Systems
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Presentation Title |
Exploring the Effect of Radiation and Temperature on the Local Structure of Ni2+ Ions in Molten Salt Systems Using X-ray Absorption Spectroscopy Study |
Author(s) |
Nirmalendu Patra, Kazuhiro Iwamatsu, Alejandro Ramos Ballesteros, Mehmet Topsakal, Ruchi Gakhar, Jay LaVerne, James Wishart, Anatoly I. Frenkel, Simerjeet K. Gill |
On-Site Speaker (Planned) |
Nirmalendu Patra |
Abstract Scope |
Understanding the effect of solvent chemistry and radiation on the speciation and local structure of metals is crucial for predicting the stability and reactivity of molten salts for successful deployment of molten salt reactors. X-ray induced radiolytic nanoparticle formation and growth of nickel nanoparticles in molten salt environments has been studied, and it was observed reduction of metal ions was dependent on the irradiation dose and the concentration of Ni2+ in the precursor solution. [1]. In present work, we investigate the speciation of Ni2+ and radiation-induced nickel metal nanoparticle formation in molten salts (MgCl2, KCl, MgCl2-KCl eut.) using synchrotron-based x-ray absorption spectroscopy study. The evolution of the local structure of Ni as function of solvent composition, temperature, and radiation dose will be discussed. This work was supported as part of the Molten Salts in Extreme Environments, Energy Frontier Research Center, funded by the U.S. Department of Energy Office of Science. |
Proceedings Inclusion? |
Planned: |
Keywords |
Characterization, Copper / Nickel / Cobalt, High-Temperature Materials |