Oak Ridge National Laboratory (ORNL) scientists have made a groundbreaking discovery that could revolutionize the next generation of nuclear reactors. For the first time, researchers have documented the unique chemical behavior and structure of high-temperature liquid uranium trichloride (UCl3) salt.
Unlike most materials that expand when heated, UCl3 exhibits an unusual property where its bonds shrink at high temperatures. This unexpected behavior has significant implications for the design of future reactors.
The study, led by Santanu Roy, aimed to detail how atoms move in the molten salt and provide a better understanding of the microscopic behaviors. The findings will enable the development of more accurate predictive models for the design of next-generation reactors.
Molten salt reactors have been under research since the 1960s and offer numerous advantages over traditional nuclear reactors, including inherent safety, increased efficiency, and reduced radioactive waste production.
As the world grapples with climate change and the need for clean energy sources, molten salt reactors are gaining renewed attention as a potential solution. The discovery of UCl3’s unique properties could play a crucial role in the development of these advanced reactors.
Source: https://interestingengineering.com/energy/us-breakthrough-molten-salt-nuclear-reactor-fuel