Recently, Toyota Motor and Japanese petrochemical giant Idemitsu Kosan Co., Ltd. (hereinafter referred to as “Idemitsu”) reached a cooperation agreement. The two parties will jointly develop mass production technology for solid electrolytes and announced that they will reach practical use in 2027-2028. ization goal and mass production as soon as possible. 　　At the press conference, Toyota President Tsuneharu Sato said excitedly that the two companies will work together to steadily improve their ability to mass-produce solid-state batteries. 　　In recent years, Toyota has frequently announced progress in solid-state batteries, from durability issues to cost control, to announcing the scale and time of mass production. It seems that it is confident and…