Fig. 1: Theoretical calculation of selected species and comparison of selected molecules and schematics of cascade cell.
From: Development of long lifespan high-energy aqueous organic||iodine rechargeable batteries

a Comparison of the calculated Gibbs free energy change (∆G) of I−/I0 conversion in different cation environments. b Comparison of the calculated dissociation energy of various iodine compounds. c The charge/discharge potential range and reported specific discharge capacity of anodes with K-ion insertion/deinsertion chemistry. d A schematic of the PTCDI||I2 single cell and a cascade cell.