fig13
From: Advancements of non-viologen-based anolytes for pH-neutral aqueous organic redox flow batteries
Figure 13. Performance for azobenzene-based AORFBs[40]. (A) Molecular structures of different azobenzene-based derivatives; (B) Calculated solvation energy; (C) LSV study. Condition: 5 mM AADA in 2 M NaOH. Scan rate: 5 mV s-1. Rotation rates: 200-3,600 rpm; (D) UV-Vis spectra of the AADA anolyte at different redox states; (E) Cycling capacity and CE of the battery based on 0.1 M AADA. Current density: 30 mA cm-2; (F) Galvanostatic charge/discharge profiles of the battery with 0.5 M AADA anolyte. Current densities: 10-40 mA cm-2; (G) Cycling capacity and CE based on 0.5 M AADA battery. Current density: 20 mA cm-2. Reproduced with permission[40]. Copyright 2020, Wiley-VCH.
