CAR External Advisory Board Presentation, Spring, 2023

ARPA-E funds: $5.12M Cost share: 24% 2760-1566

Notice: This Summary Slide Contains Confidential, Proprietary Information – Do Not Release

Extreme Fast Charging Batteries with Extended Cycle Life for EVs Anne Co, Ohio State University

Technology Summary •

Develop novel anode, which because of its structure and composition, has minimal expansion, stable for >2000 cycles, and no Li growth at high rates. • Develop novel electrolyte for low temperature (-20 o C) operation and compatible with anode and cathode interfacial chemistry. • Demonstrate manufacturability of components Technology Impact Affordable, extended life batteries to enable EVs Maintain US leadership in manufacturing

Proposed Targets Metric

State of the Art

Proposed

Gravimetric Energy Density 265 Wh/kg @ C/3

> 200 Wh/kg @ C/3

30 min

Recharge time

5 min @ 1.9 kW/kg

< 80% fade over 500 cycles

< 90% fade over 1500 cycles

Stability

Extreme fast charging lasting 1,000,000 miles

Notice: This Summary Slide Contains Confidential, Proprietary Information – Do Not Release

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