Toyota, Idemitsu tie up to mass-produce all-solid-state batteries, ET Auto
Idemitsu Kosan, Japan’s second-largest oil refiner, has been developing solid sulfide electrolyte, a material used in the batteries. Toyota and oil refiner Idemitsu Kosan announced a tie up on Thursday to develop and mass produce all-solid-state batteries, in another example of new partnerships being forged amid the disruptive shift to electric vehicles. The companies aim…