Self-Assembly of 3D Fennel-Like Co₃O₄ with Thirty-Six Surfaces for High Performance Supercapacitor

Figure 5

The growth schematic of crystal (I, II, and III are contour forming schematic; IV, V, VI, and VII are 3D growth simulation with two time periods; V, VI, and VII are simultaneous), a is the Co₃O₄ particles prepared for 5 h at 120°C; (b) and (c) are prepared for 12 h at 120°C.