fig11

Figure 11. Performance of bipolar molecular-based symmetric AORFBs^[58,59]. (A) CV curves of TEMPO/Phenazine combi-molecule in 0.1 M NaCl. Scan rate: 50-500 mV s^-1; (B) Electrical performance is determined by applying different current densities and the resulting capacities and efficiencies; (C) Long-term battery cycling. Inset: exemplary charge/discharge potential curve at 1 mA cm^-2. Condition: 10 mM combi-molecule in 0.5 M NaCl and 10 vol % diglyme. Current density: 4 mA cm^-2. Reproduced with permission^[58]. Copyright 2016, American Chemistry Society; (D) Redox mechanism of RIBOTEMPO; (E) CV profiles of Riboflavin, TEMPO, and RIBOTEMPO in 0.1 M NaCl. Scan rate: 50 mV s^-1; (F,G) Demonstration of battery performance of 3 mM combined RIBOTEMPO, exhibiting galvanostatic charge/discharge profiles during the 1st, 50th, and 100th cycles as well as cycling performances and CEs. Cut-off voltage: 0.8-1.4 V. Current density: 2.5 mA cm^-2. Reproduced with permission^[59]. Copyright 2021, Elsevier.