AI-driven non-flammable electrolyte

Sepion Technologies has deployed its materials discovery platform powered by AI in developing a non-flammable liquid electrolyte that can reduce the risk and severity of fires in EV batteries. Sepion’s researchers subjected the newly discovered liquid electrolyte to flammability testing against standard commercial lithium-ion battery electrolytes, demonstrating its efficacy and safety features with a flash point exceeding 158°F (70°C) and improved self-extinguishing time (SET). Sepion’s advanced AI platform improves the material discovery process by identifying up to 10 million formulations in just one week, rapidly examining extensive libraries of materials from component categories such as salts, solvents, and additives. With the in-silico power of AI, Sepion’s researchers and scientists can quickly narrow their focus, saving time and utilizing the lab resources strictly for ex-situ and in-situ screening of the most favorable candidate formulations. The process starts with classical and quantum-mechanical modeling (DFT) of component properties at the molecular level, followed by molecular dynamics simulations (MD) and AI tools that predict properties, including flash point and viscosity. After selecting the most promising material candidates, Sepion researchers formulate electrolytes and polymers for further ex-situ screening and in-cell evaluations. This AI-assisted process can accomplish years’ worth of work in just weeks or months. The computational toolset delivers advanced capabilities well beyond electrolyte development, also encompassing optimization of nanoengineered polymer coatings for separators, thereby facilitating revolutionary advancements in battery performance by discovering and developing novel materials. Prioritizing safety in battery technology, Sepion has recently achieved UN/DOT38.3 certification for its energy-dense lithium-metal pouch cells, showcasing the critical role of innovations such as this self-extinguishing electrolyte in advancing the safety standards of lithium batteries.

Sepion Technologies | sepiontechnologies.com


Volume: 2024 September/October