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Sumitomo, Toyota Eye Mass-Production of EV Battery Materials
Nippon | English | News | Oct. 10, 2025 | Supply Chain Issues
Sumitomo Metal Mining Co. and Toyota Motor Corp. have reached an agreement to mass-produce cathode materials for all-solid-state batteries designed for electric vehicles. This collaboration is part of Toyota's goal to commercially deploy all-solid-state batteries between 2027 and 2028.
All-solid-state batteries, which use solid electrolytes instead of liquid ones, offer benefits such as faster charging times and longer driving ranges compared to conventional EV batteries. The two companies have been jointly researching these batteries since around 2021 and have developed durable cathode materials.
Moving forward, Sumitomo and Toyota plan to enhance the quality and reduce the production costs of these materials to prepare for large-scale manufacturing.