Solid Power SPAC Presentation Deck

Lithium Metal Cell Energy Density: >1000 Wh / L (Deposited Li) Path to 100 Ah Li-NMC Pouch Cell with up to 475 Wh/kg & 1015 Wh /L (in charged state) Cell Specific Energy (Wh/kg) Cell Specific Energy (Wh/kg) 600 550 500 450 400 350 300 600 550 500 450 400 350 300 O 2 Reduced Electrolyte-Separator Thickness 10 Solid Power | DCRC+ Today Target 40 20 30 Separator Thickness (microns) Increased Capacity Per Area 3 Target 4 Areal Loading (mAh/cm²) Today 5 50 60 6 1200 1100 1000 900 800 700 1200 1100 1000 900 800 700 (Wh/L) Cell Energy Density (Wh/L) Cell Energy Density Cell Specific Energy (Wh/kg) 600 550 500 450 400 350 300 120 <1000 Wh/L (pouch cell) >1000 Wh/L (pouch cell) Increased Cathode Layer Specific Capacity 140 Today Today 160 140 Cathode Layer Specific Capacity (mAh/g) Designing for 100 Ah pouch cell >1000 Wh/L Target 150 180 160 170 Cathode Layer Specific Capacity (mAh/g) Supplemental Technical Data Target 180 1200 1100 1000 900 800 700 5 3 190 (Wh/L) Cell Energy Density (mAh/cm²) Areal Loading 55

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