Solid-state Factorial car batteries for Stellantis and other automakers are getting closer, as Factorial Energy has validated auto-sized batteries with a density of 375 watt-hours per kilogram. That’s a major step towards actual production, though a 2026 demonstration/test fleet must be built before customers actually see Factorial-powered Dodges, Chryslers, Jeeps, or Rams.
The Fest® technology allows for fast charging from 15% to 90% full in 18 minutes. Two Chinese automakers have shown similar battery feats this month.
Other advantages of the Factorial batteries include maintaining their 375 Wh/kg density for over 600 charge/discharge cycles (which are not simply “when you charge the car”), and a total 77 amp-hour capacity. The large lithium-metal solid-state batteries can provide greater performance, with high discharge rates and considerably lower likelihood of fires than existing high-performance lithium-ion batteries.
Stellantis invested $75 million in Factorial Energy in 2021, and plans to build a demonstration/test fleet by 2026, which production coming afterwards. Factorial’s other partners are Hyundai-Kia and Daimler AG (Mercedes). Stellantis reported that they also help Factorial with “optimizing pack architecture, improving vehicle integration, and enhancing overall range and cost efficiency.”
David Zatz started what was to become the world’s biggest, most comprehensive Mopar site in 1994 as he pursued a career in organizational research and change. After a chemo-induced break, during which he wrote car books covering Vipers, minivans, and Jeeps, he returned with Patrick Rall to create StellPower.com for daily news, and to set up MoTales for mo’ tales.
David Zatz has around 30 years of experience in covering Chrysler/Mopar news and history, and most recently wrote Century of Chrysler, a 100-year retrospective on the Chrysler marque.
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