fig7

Figure 7. AQ-based derivatives and the performance for AORFBs^[50,51]. (A) Synthesis of n, m-di-Pegylated AQ; (B) Synthesis of 2,6-DPPEAQ; (C) Battery voltage and power density vs. current density at 10%, 30%, 50%, and ~100% SOC. Reproduced with permission^[50]. Copyright 2019, American Chemical Society; (D) OCV, high frequency, and polarization ASR versus SOC; (E) Current efficiency and charge-discharge capacities versus time and cycle number; (F) CV curves of 1 mM 2,6-DPPEAQ at pH 9 buffered solution (black solid), pH 12 buffered solution (red solid), pH 9 unbuffered solution (black dash), and pH 12 unbuffered solution (red dash). Scan rate: 100 mV s^-1; (G) CE (circles), energy efficiency (squares), charge (upward-pointing triangles) capacity, and discharge (downward-pointing triangles) capacity versus time and cycle number. Inset: capacity versus battery voltage at the 1st, the 10th, the 100th, and the 480th cycle. Reproduced with permission^[51]. Copyright 2019, Wiley-VCH.