"Molten Salts as Tritium Breeders in Fusion Reactors" presented by Monica Humrickhouse of ORNL at ORNL MSRW 2023 (Oak Ridge National Laboratory Molten-Salt Reactor Workshop 2023.)
Fluoride salts, in particular FLiBe, are a candidate tritium breeder for future D-T fusion reactors
- FLiBe can achieve TBRs greater-than 1, though addition of multiplier materials such as solid beryllium or beryllide compounds, may be required
A primary reason to pursue salts is their low electrical conductivity:
- Mitigate induced MHD forces in magnetic confinement fusion (relative to liquid metals)
- May help enable plasma control in tokamaks
The principal challenges are:
- The lack of a compatible high-temperature, low-activation material; the long timeline of new material development is an obstacle to near-term deployment of FLiBe blankets
- Tritium control, exacerbated by low solubility in FLiBe and high temperature operation; additional R&D is required in this area
ThoriumRemix.com/ Thorium & MSR & Nuclear assets used in Thorium Remix project.
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