Mercedes-backed Farasis Energy is set to deliver its first-generation sulfide-based solid-state batteries with a claimed energy density of 400 Wh/kg by the end of 2025. This move marks a significant step toward the commercialization of next-generation batteries, with a pilot line being established to fulfill initial deliveries to strategic partners.
Mercedes-backed Farasis Energy will deliver 400 Wh/kg sulfide batteries this year
September 20, 2025/