fig14

Figure 14. (A) Diagrammatic representation outlines the process of crafting hierarchical porous carbon derived from OLDC; (B) The SEM and (C) TEM images of OLDC; (D) The capacitive contribution under 10 mV s^-1; (E) Cycling durability at 10 A g^-1. Reproduced with permission from Ref.^[139]. Copyright 2023, Wiley. SEM: Scanning electron microscopy; TEM: transmission electron microscopy; OLDC: carbon derived from the olive leaves.