Toyota Teams Up with Idemitsu to Mass Produce Solid-State EV Batteries with 932 Mile Range by 2028

Toyota partners with Idemitsu Kosan to mass produce solid-state batteries for EVs with 932 mile range. This is the first major update on Toyota's plans for next-gen batteries.

Idemitsu has been developing solid sulfide electrolytes for batteries since 2001. Toyota aims to combine Idemitsu's material expertise with its own production capabilities.

Toyota outlines a 3-phase plan to commercialize solid-state batteries by 2027-2028. Full-scale mass production to follow. Unclear when widely available to consumers.

Toyota and Idemitsu will first work on improving quality, cost and production timelines of sulfide solid electrolytes.

Toyota believes collaboration between automotive and energy companies is key to advancing EV battery tech and innovations.