Accelerator-Driven Sub-Critical Molten-Salt Assembly Facility

An accelerator-driven, sub-critical molten-salt nuclear system that centrally produces large quantities of tritium for fusion energy. By pairing accelerator-driven subcritical operation with molten-salt chemistry, the system offers a controllable, safety-forward pathway to produce fusion fuel, recover useful energy and convert legacy nuclear liabilities into strategic energy assets. Overview: The Accelerator-Driven Sub-Critical Molten-Salt Assembly (ADS+MSA) is a centralized nuclear facility that uses a high-power particle accelerator coupled to a liquid molten-salt system to reliably produce kilogram-scale quantities of tritium. Because the system is sub-critical, nuclear reactions only occur when driven by the accelerator, providing inherent safety and operational control. By combining proven accelerator technology with modern molten-salt chemistry, the ADS+MSA removes a major bottleneck to commercial fusion energy, recovers useful energy, and strengthens U.S. energy security and national security missions under existing Department of Energy safety frameworks rather than commercial reactor licensing. Key Advantages: Enables large-scale commercial fusion energy by providing a reliable, centralized source of tritium, eliminating the need for fusion plants to breed their own fuel and significantly reducing cost, complexity, and deployment risk. Operates in an inherently safe, sub-critical configuration in which nuclear reactions stop when the accelerator is turned off, avoiding runaway scenarios and allowing operation under DOE accelerator safety orders rather than NRC power-reactor licensing. Achieves extremely high tritium production efficiency, with tritium breeding ratios far exceeding those achievable in fusion reactor blankets, enabling kilogram-scale production with substantially lower accelerator power than earlier accelerator-only concepts. Builds on decades of proven accelerator development and growing industrial experience with molten-salt systems, reducing technical risk and enabling modular, scalable deployment as demand increases. Market Applications: Fusion Energy (fuel supply for commercial fusion power plants) Nuclear Waste Management (reduction and disposition of long-lived nuclear materials) Advanced Nuclear Energy (sub-critical and accelerator-driven nuclear systems) Government Nuclear Asset Management (utilization of surplus plutonium and uranium inventories) Industrial Energy and Infrastructure (on-site energy, heat, and supporting infrastructure) Clean Energy and Decarbonization (carbon-free baseload energy enablement) Development Status: TRL 3-4 IP Status: U.S. Patent pending LA-UR-26-25142 LANL Tech Partnerships: Unlock the Innovative Potential Los Alamos National Laboratory offers a wide range of cutting-edge technologies and capabilities that may provide your company with a competitive edge in the market and unlock the innovative potential that can enhance, refine, and revolutionize your products. LANL’s licensing program focuses on moving inventions developed by our researchers to commercial innovations. Patented and patent pending inventions and copyrighted software are available to existing and start-up companies through exclusive and non-exclusive licensing agreements. For specific discussions, please contact [email protected]. Note: This is not a call for external services for the development of this technology. https://www.lanl.gov/engage/collaboration/feynman-center/partner-with-us/licensing-technology m.lanl.gov/tech-search Kathleen McDonald Alternative

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