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Generalized value of 1 kg CO2 converted into CNT materials for batteries based on the total cost per kWh for the battery. The DOE target of $125/kWh for 2022 and the 2013 average Li-ion battery cost provide a window ranging from ∼$5 to $18 of secondary value per kg of CO2. Anode cost relative to the full cell is extrapolated from data in ref (39), and weight per kWh is extrapolated from a Panasonic 1.5 kWh (52 Ah) module.
