Toyota solid-state battery: METI production approval and 2027 Lexus deployment

Key Contributions

• Received METI (Japan Ministry of Economy, Trade and Industry) production certification — a regulatory milestone for commercialization
• Mass production of solid-state cells to begin in 2026
• First vehicle deployment in Lexus flagship model targeted for 2027
• Performance target: 1,200 km range with 10-minute charging
• Supply chain partnerships with Sumitomo Mining and Idemitsu Kosan for lithium sulphide materials

Results / Data

• Regulatory: METI production certification granted
• Production timeline: mass production from 2026
• Vehicle integration: Lexus flagship 2027
• Range: 1,200 km target
• Charge time: 10 minutes
• Materials partners: Sumitomo Mining, Idemitsu Kosan (lithium sulphide)

Source: Toyota solid-state battery METI approval — Toyota Newsroom, October 2025