Breakthrough in Solid-State Battery Doubles EV Range.

Toyota announced a solid-state EV prototype capable of 1,000 km range using a lithium-sulfide electrolyte co-developed with Tokyo Institute of Technology.
The Journal of Power Sources notes the cell achieves 500 Wh/kg energy density and 80% capacity retention over 900 cycles — a milestone in EV sustainability.
Commercial pilot lines under Japan’s Green Innovation Fund are expected by 2027.