Effects of Carbon Nanotubes Acid Treated or Annealed and Manganese Nitrate Thermally Decomposed on Capacitive Characteristics of Electrochemical Capacitors
Figure 4
Surface morphologies of the manganese oxide (formed by thermally decomposing Mn(NO3)2 at 300°C)/CNT (treated with acid for 5 min)/Al foil composite electrode (a) before potential cycling and after potential cycling, (b) at 10 cycles, (c) at 100 cycles, and (d) at 1000 cycles.