Solid-state Lithium Metal Battery (SSLMB) with High Energy Density and Better Safety
■ Technology Features
• Better Battery Safety while Ensuring High Energy Density (≥350Wh/kg)
• Uniform current flow layer design for lithium-ion transmission
• Organic/inorganic composite electrolyte to avoid lithium dendrite
• Dendrite-resistant PEC protective layer
Successfully Reducing the risk of Thermal Runaway
▣ SSLMB Performance
• Energy Density：≥ 350Wh/kg
• Average Voltage: 3.8V
• Voltage Range: 3~4.4V
• Battery Capacity: 4~65Ah
Energy Capacity ≥ 350Wh/kg, Battery Life ≥ 600cycles (94%), Passed Safety Test
▣ Internal Serial Connection Technique
- From Cell Internal Structure Design
• Replacing external serial circuit with internal serial connection
• Reducing material usage and effectively increases cell energy density
▣ Bipolar SSLMB
• High-Voltage Battery Specifications
• Average Voltage: 12 / 16 V
• Voltage Range: 9~17.6V
• Battery Capacity: 2.7 / 3.4Wh
▣ Rectangular SSLMB Pouch Cell
- LMB for 355 VDA Module
• Average Voltage: 3.9V
• Voltage Capacity: 3.0~4.5V
• Battery Capacity: 106Ah
• Energy Density: 417Wh/kg
355 VDA Module Cell
• Widely-used standard size module for EV
• Thin and flat shape for EV’s flat chassis
• Flexible material recipe of 355 VDA cell to ensure the performance
▣ SSLMB Battery Module
- From Solid-State Cell Design
• A prototype built for E-scooter
• E-scooter module: 48V/26Ah
Module for SSLMB
• Average Voltage: 48V
• Voltage Range: 42.9~57.2V
• Battery Capacity: 26Ah
Industrial Technology Research Institute (ITRI)
Material and Chemical Research Laboratories (MCL)
Dept. of Lithium Metal Battery and Reliability Design (N200)