A Study of Effect of Electrolytes on the Capacitive Properties of Mustard Soot Containing Multiwalled Carbon Nanotubes

摘要

Specific capacitances of a low-cost multiwalled carbon nanotubes produced in mass level by pyrolysing mustard oil, are being evaluated by means of cyclic voltammetry in 1M solution of various electrolytes. The carbon nanotubes with an average diameter of 30 nm have been functionalized and dispersed in polystyrene matrix to obtain thin film of the electroactive species. A comparative study of single and binary mixtures of various electrolytes as well as the effect of scan rates on the electrochemical performance of the functionalized carbon nanotubes (MS-CNT) was carried out. Even if the capacitance value obtained were not very high, but the production of carbon nanotubes in mass level and the use of the CNTs-insulating PS mixture on Teflon substrate provides an economical and easily available electrode material.