Table 1: The amount of immersion/thermal decomposition of manganese oxide and / of the CNTs modified by different methods and conditions.

CNTs modified by different methods and conditionsAmount of immersion/decomposition of manganese oxide, mg cm−2 /

CNTs treated with acid for 5 min2.520.936
CNTs treated with acid for 10 min1.401.005
CNTs treated with acid for 15 min1.141.028
CNTs annealed at 300 °C0.650.985
CNTs annealed at 350 °C1.130.991
CNTs annealed at 400 °C1.641.009