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Lithium

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Nearly everybody knows about lithium – a light, silvery alkali metal – used in rechargeable batteries powering everything from laptops to hybrid cars. What  may not be so well known is the fact that researchers hoping to harness the energy released in fusion reactions also have used lithium to coat the walls of donut-shaped tokamak reactors. Lithium, it turns out, may help the plasmas fueling fusion reactions to retain heat for longer periods of time. This could improve the chances of producing useful energy from fusion.

COLLOQUIUM: The Lithium Tokamak eXperiment (LTX)

The Lithium Tokamak eXperiment (LTX) will be discussed in the context of a more general program goal - to develop a compact realization of a tokamak fusion reactor. The general requirements for more compact tokamak reactors will be briefly discussed. The LTX project can investigate some, but not all, of these requirements, on a small scale. Recent results from LTX will be presented. Finally, the development of a toroidal system to test flowing liquid lithium walls, aimed at eventual implementation in a compact D-T tokamak, will be discussed.

Robert Kaita

Robert (Bob) Kaita is the head of plasma diagnostic operations and acting head of boundary physics operations for the National Spherical Torus Experiment (NSTX). Kaita is also a co-principal investigator of the Lithium Tokamak Experiment (LTX). He is a Fellow of the American Physical Society and a recipient of the Kaul Foundation Prize for Excellence in Plasma Physics Research. He has supervised the research of many students in the PPPL Program in Plasma Physics in the Department of Astrophysical Sciences at Princeton University. 

U.S. Department of Energy
Princeton Plasma Physics Laboratory is a U.S. Department of Energy national laboratory managed by Princeton University.

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