DOE-Funded SRNL Study Validates General Fusion's Tritium Fuel Cycle Advantages

A study by Savannah River National Laboratory (SRNL), funded by the US Department of Energy's INFUSE (Innovation Network for Fusion Energy) program, was published in the peer-reviewed journal Fusion Science and Technology, validating key advantages of General Fusion's Magnetized Target Fusion (MTF) liquid metal wall design for the tritium fuel cycle. The study found that General Fusion's approach — using a liquid lithium-lead wall that simultaneously provides neutron shielding, tritium breeding, and direct energy capture — requires significantly less tritium for commercial power plant start-up and achieves shorter tritium doubling times compared to conventional tokamak or stellarator designs. Tritium supply is a recognized bottleneck for commercial D-T fusion: the entire global inventory is only ~20–25 kg. The independent government lab validation strengthens General Fusion's scientific credibility at a critical time, following a 2025 staff reduction of approximately 25% and the company's pursuit of public market financing via a reverse merger. The liquid metal wall approach is one of General Fusion's key differentiators from mainstream tokamak designs.