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Idemitsu Kosan has announced the construction of a pilot plant for solid electrolytes, crucial for solid-state lithium-ion batteries, in collaboration with Toyota Motor. The facility, located at Idemitsu's Chiba plant, aims to support Toyota's goal of launching electric vehicles with all-solid-state batteries by 2027-2028, with a production capacity of several hundred metric tons per year. Chiyoda Corp. has been contracted for the construction, which is expected to be completed by 2027.