Inertia Enterprises, a burgeoning startup focused on fusion power, announced on Tuesday that it has forged three agreements with the Lawrence Livermore National Laboratory (LLNL). These collaborations aim to facilitate the commercialisation of the lab’s innovative laser-based fusion reactor technology.
These agreements position Inertia as a frontrunner amongst its competitors in the fusion energy sector. Notably, the National Ignition Facility (NIF) at LLNL is the only facility that has demonstrated a fusion reaction producing more energy than it consumes. Since its emergence earlier this year, Inertia has substantially capitalised on this momentum, raising $450 million in a Series A round, making it one of the best-funded startups in the industry.
Inertia’s collaboration with LLNL will focus on inertial confinement fusion, a method that compresses a fuel pellet with an external force to initiate fusion, as opposed to other techniques relying on magnetic fields to confine plasma. The process at NIF involves 192 laser beams converging on a small gold cylinder, known as a hohlraum, that houses a diamond-coated fuel pellet. The lasers vaporise the hohlraum, producing X-rays that compress the BB-sized pellet. The diamond coating turns into plasma, which then compresses the deuterium-tritium fuel. Achieving this rapid sequence multiple times per second is crucial for the technology to eventually power electrical grids.
Originally theorised in the 1960s as a method to study thermonuclear weapons, the laser-driven reactor design has garnered interest for its potential in energy production. Construction of the NIF commenced in 1997, and after 25 years, it reached the milestone of achieving a net positive energy output from fusion.
Several startups, including Inertia, Xcimer, Focused Energy, and First Light, are now racing to translate this concept into viable commercial power plants. The existing technology at NIF utilises older laser systems, prompting hope that newer laser technologies may enhance efficiency and reduce the energy required for ignition, ultimately aiding in the financial viability of commercial-scale fusion power.
The agreements with LLNL encompass two key strategic partnership initiatives and a cooperative research and development agreement. The partnership aims to innovate advanced laser systems and enhance fuel target performance and manufacturing. Additionally, Inertia has secured nearly 200 patents from LLNL, further solidifying its technological foundation.
The collaboration between Inertia and LLNL appears to be a natural progression, especially given that Inertia’s chief scientist and co-founder, Annie Kritcher, played a pivotal role in the successful NIF experiment that achieved scientific breakeven. The 2022 CHIPS and Science Act enabled her to establish Inertia while maintaining her connection to LLNL, fostering a beneficial relationship for both parties.
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