The planned construction site for the Li2S large-scale facility is within the premises of Idemitsu Chiba Complex (Ichihara City, Chiba Prefecture), with construction scheduled to be completed in June 2027.
Idemitsu will accelerate the mass production of solid electrolytes
The company revealed that this initiative has been approved by the Ministry of Economy, Trade and Industry as a “plan for ensuring supply of storage batteries,” and of the total project cost of approximately 21.3 billion yen, approximately 7.1 billion yen is planned as the maximum grant amount.
Idemitsu will accelerate the mass production of solid electrolytes with lithium sulfide produced by this facility as the base material and widely deliver high-performance solid electrolytes to various customers. This will contribute to the government’s policy of strengthening the storage battery supply chain and improving the competitiveness of Japan’s storage battery industry, according to a press release.