Effects of Carbon Nanotubes Acid Treated or Annealed and Manganese Nitrate Thermally Decomposed on Capacitive Characteristics of Electrochemical Capacitors

Table 1

The amount of immersion/thermal decomposition of manganese oxide and 𝐼_𝐺/𝐼_𝐷 of the CNTs modified by different methods and conditions.

CNTs modified by different methods and conditions	Amount of immersion/decomposition of manganese oxide, mg cm^−2	𝐼𝐺/𝐼𝐷
CNTs treated with acid for 5 min	2.52	0.936
CNTs treated with acid for 10 min	1.40	1.005
CNTs treated with acid for 15 min	1.14	1.028
CNTs annealed at 300 °C	0.65	0.985
CNTs annealed at 350 °C	1.13	0.991
CNTs annealed at 400 °C	1.64	1.009