Concurrently, Idemitsu Kosan’s President and CEO, Shunichi Kito, underscored the significance of sulfide-based solid electrolytes, which are byproducts of improving petroleum products. He identified them as the most promising solution to address EV battery challenges, such as cruising range and charging times. Kito mentioned that Idemitsu discovered the utility of sulfur components in the mid-1990s and leveraged their research and technological proficiency cultivated over the years to create a solid electrolyte, poised to herald a new era in mobility.