Stellantis and Factorial Energy Reach Key Milestone in Solid-State Battery Development

Core Insights - Stellantis and Factorial Energy have successfully validated automotive-sized solid-state battery cells, marking a significant advancement in electric vehicle battery technology [2][8] - The validated FEST® solid-state battery cells exhibit an energy density of 375Wh/kg and can charge from 15% to over 90% in just 18 minutes at room temperature, showcasing their potential for faster charging [3][8] - The collaboration aims to optimize battery pack architecture, enhancing vehicle integration and overall efficiency, which is crucial for the development of sustainable electric vehicles [5][8] Battery Performance and Features - The FEST® cells demonstrated over 600 cycles, progressing towards automotive qualification, indicating their durability and reliability for automotive applications [3][8] - These solid-state batteries can operate in a temperature range of -30°C to 45°C (-22°F to 113°F), expanding their usability across various climates [4][8] - The cells support high power output with discharge rates up to 4C, meeting the performance demands of electric vehicles [3][8] Strategic Collaboration and Future Plans - Stellantis' $75 million investment in Factorial Energy in 2021 has strengthened their strategic partnership, focusing on the commercialization of solid-state battery technology [6] - Stellantis plans to integrate Factorial's solid-state batteries into a demonstration fleet by 2026, which will further validate the technology in real-world driving conditions [6][8] - The collaboration extends beyond cell development to include optimizing pack design, which will contribute to weight reduction and improved vehicle range [5][8]