Tritium decays about 5.5% a year, and the US stopped enriching lithium-6 in 1963. Russia and China are now the only commercial exporters
Licube, a startup pitching at TechCrunch Disrupt, plans to purify lithium-6. Its CEO predicts a $50 billion market by 2040 if fusion succeeds
nationalinterest.org
How America’s Tritium Shortage Threatens Fusion Power and Its Nuclear Arsenal
Commercial fusion and US nuclear warheads depend on the same scarce, decaying isotope, and Washington has only a few years to rebuild the supply chain for both.
