Table 1 Overview of the assumptions made for both scenarios, Present Case and Future Case, and a statement on why we have made these projections

From: Benchmarking organic active materials for aqueous redox flow batteries in terms of lifetime and cost

Parameter

Present Case

Future Case

Remarks

VRFB

 Crepl. Elhl/$ kg−1

0

−2.41 (20.52 $ kg−1 V2O5)

−7.45 (63.49 $ kg−1 V2O5)

−0.65 (5.51 $ kg−1 V2O5)

Recycling of vanadium electrolytes is assumed to be well-established. The selected vanadium prices reflect the high price fluctuations of V2O5. See the section Energy costs of first Supplementary Note for more details.

AqORFB

 Cactive/$ kg−1

923

3.4823

Assuming a price drop for organic molecules due to mass production.

 Separator

Nafion membrane

size-selective separator

Size-selective separators are assumed to be developed and established in future AqORFBs.