Figure 2.

(a) Illustration of the synthesis of mesoporous crystalline fullerene cube (MCFC) and mesoporous carbon cubes. (b) Comparison of CV curves of carbon samples at 5 mV s⁻¹, (c) CV curves vs. scan rate for optimal sample MCFC−900, (d) Calculated specific capacitance vs. scan rates for the prepared samples, (e) CD curves vs. current density for optimal sample MCFC−900 showing electrical double-layer capacitor (EDLC) behavior, (f) Calculated specific capacitance vs. current densities, and (g) Cycle stability performance of MCFC−900 recorded at 7 A g⁻¹. Reproduced by permission of The Royal Society of Chemistry (RSC) from Reference [110].