Automotive group Stellantis and US-based battery developer Factorial Energy have successfully validated solid-state battery cells for electric vehicles. The

Dodge’s electric Charger Daytona hasn’t been the immediate sales success the automaker needed, but the car is scheduled to get an innovative new battery system that could change its fortunes. Dodge’s parent company,

Stellantis says its 77Ah FEST cells have demonstrated an energy density of 375Wh/kg with over 600 charging cycles, “a milestone for large-format lithium-metal solid-state battery.” In addition to faster charging speeds, the solid-state batteries can also deliver higher power output with discharge rates up to 4C, for greater EV performance.