fig4

Figure 4. (A) Schematic illustration of organic electrode. (B) Potential reaction procedure and structure of benzo-dipteridine derivatives BF-H2 and BF-Me2 with lithium. Cycling and Coulombic efficiency of (C) BF-Me2 and (D) BF-H2 at a 0.1 C rate in an ether-based electrolyte. Reproduced with permission from Ref.[59] (Copyright 2020, American Chemical Society).