Marathon Fusion develops integrated fuel‑cycle technologies for commercial fusion, including neutron‑driven transmutation reactors that generate valuable radioisotopes and gold as by‑products, and metal‑foil pumping systems that boost tritium burn efficiency and processing speed. It also offers high‑precision isotope‑separation solutions for fusion reactors and industrial applications, helping operators reduce fuel losses, lower inventory costs, and create additional revenue streams.
Funding
$5.1M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
UDFounders
Product
Problem
Commercial fusion power faces challenges in fuel cycle efficiency, limited by slow tritium processing, high fuel losses, and a lack of ancillary revenue streams from by‑products, which together hinder economic viability and large‑scale deployment.
Solution
Marathon Fusion addresses these barriers by creating an integrated suite of fuel‑cycle technologies. Its transmutation platform uses neutron fluxes to convert target materials into valuable radioisotopes and even gold, providing a secondary revenue source beyond electricity generation. The company’s advanced metal‑foil pumping systems increase tritium burn efficiency and accelerate processing throughput, reducing inventory requirements and operational costs. In parallel, Marathon Fusion develops high‑precision isotope‑separation methods to supply critical materials for both fusion reactors and other industrial applications. By improving fuel utilization, generating marketable by‑products, and delivering essential isotopes, the company aims to accelerate the path to economically competitive fusion energy.
Target Audience
Primary customers are fusion reactor developers and operators, national laboratories, and industrial firms requiring specialized isotopes for medical, scientific, or manufacturing purposes.
Features
- Neutron‑driven transmutation reactors that produce high‑value radioisotopes and gold as by‑products
- Metal‑foil pump technology that enhances tritium extraction, recirculation, and burn efficiency
- Rapid fuel‑processing cycles that shorten turnaround time for tritium handling and reduce storage demands
- Advanced isotope‑separation systems delivering purified fuels and specialty isotopes for fusion and non‑fusion markets
- Scalable modular designs compatible with emerging tokamak and inertial confinement fusion plant architectures