M.J. Ginsberg, A.L. Washington, C.J. Pickles, J.O. Astbury
Tokamak Energy, Inc.,
United States
Keywords: fusion, HTS magnets, spherical tokamak, Alloys
Summary:
The quest for sustainable energy sources has intensified the exploration of fusion power, with spherical tokamaks emerging as promising candidates for compact and efficient reactors. This presentation delves into the critical supply chain considerations associated with commercial fusion reactors, and specifically spherical tokamaks, including structural components like HTS (High Temperature Superconductor) magnets and materials like vanadium alloys. Vanadium alloys (such as V-4Cr-4Ti) can play a pivotal role in fusion reactor designs due to their neutron transparency, high operating temperature and low activation under neutron bombardment. However, the commercialization of fusion hinges on securing a stable supply of high-purity vanadium alloys, which poses challenges due to their limited global production capacity and potential geopolitical constraints. This necessitates strategic planning to ensure a robust and diversified supply chain, encompassing sourcing, processing, and distribution logistics to meet the burgeoning demand for vanadium alloys in fusion applications. Furthermore, the integration of HTS tape is indispensable for achieving efficient magnet confinement in spherical tokamaks, enabling sustained plasma stability and enhanced performance. The supply chain dynamics surrounding HTS tape involve intricate manufacturing processes, raw material sourcing, and quality control measures to ensure reliability and scalability. Challenges such as material purity, production yield, and cost optimization must be meticulously addressed to streamline the supply chain and facilitate the widespread adoption of HTS technology in fusion reactors. To support the commercialization of fusion energy across diverse reactor designs, comprehensive supply chain strategies must be formulated, encompassing collaborative partnerships, technological innovation, and risk mitigation measures. This entails fostering cooperation between industry stakeholders, research institutions, and government agencies to address supply chain vulnerabilities, enhance production capabilities, and promote regulatory frameworks conducive to sustainable fusion energy deployment. Dr. Michael Ginsberg, President of Tokamak Energy, Inc. will give an overview of the critical supply chain partnerships the company has built to bolster the fusion and HTS magnets ecosystem. Addressing the supply chain needs for vanadium alloys and high-temperature superconducting tape is imperative for advancing commercial fusion technologies. This helps to realize the transformative potential of fusion energy in mitigating global energy challenges. By fostering resilience, innovation, and collaboration in the supply chain ecosystem, we can accelerate the transition towards a clean and sustainable energy future powered by fusion.