Factorial Energy

Based in Woburn, Massachusetts, Factorial Energy has developed breakthrough solid-state batteries that offer up to 50 percent longer range per charge, increased safety, and cost competitive with conventional lithium-ion batteries. The company's proprietary FEST™ (Factorial Electrolyte System Technology) leverages a solid electrolyte material, which enables safe and reliable cell performance with high-capacity cathode and anode materials. FEST™'s electrolyte has been successfully scaled in 40Ah cells, works at room temperature, and can utilize the majority of existing lithium-ion battery manufacturing equipment. The company has received strategic investments from, and entered into Joint Collaboration Agreements with, Mercedes-Benz, Stellantis, Hyundai Motor Company and Kia Corporation.