Samsung SDI solid-state battery: S-Line pilot and first OEM deliveries

Key Contributions

• S-Line pilot production facility in Suwon, South Korea now operational
• First solid-state battery cells delivered to EV OEM customers for 6-month validation testing
• Gravimetric energy density target: 500 Wh/kg
• Volumetric energy density target: 900 Wh/L — critical for automotive packaging constraints
• Mass production targeted for 2027, aligning with Toyota and CATL timelines

Results / Data

• Facility: S-Line pilot, Suwon
• Status: cells delivered to OEMs for 6-month testing
• Energy density targets: 500 Wh/kg, 900 Wh/L
• Mass production: 2027 target
• Competitive position: alongside Toyota and CATL in solid-state commercialization race

Source: Samsung SDI solid-state battery pilot — EVLithiumCharger, 2025