Abstract:

Lithium-ion battery recycling can decrease the life cycle environmental impacts of electric vehicles (EVs) and assist in securing domestic supply chains. However, the US, the third largest EVs market, has no policies for recycling batteries at their end of life. The European Union has proposed recycled content standards (RCSs) to help drive a circular battery ecosystem. This analysis calculates feasible RCSs for the US based on future sale projections, techno-economic assessment, life cycle assessment, and material flow analysis. Using  95% confidence interval, results show that 11–12% of cobalt, 7–8% of lithium, and 10–12% of nickel demand in 2030 and 15–18%, 9–11%, and 15–17%, respectively, in 2035, could be met by retired supply assuming closed-loop recycling. While domestic recycling can be profitable at scale and reduce environmental impacts, it is more expensive than exporting to China for recycling. Consequently, the policy is likely needed to ensure critical materials are recycled domestically.