Polyaniline–carbon Nanotube Composites As Electrocatalysts for Fuel Cells

Conducting polymers have been investigated as carbon-substitute supports for fuel cell catalysts due to their high accessible surface area, low resistance and high stability. Conducting-polymer-supported metal particles present higher tolerance to poisoning due to the adsorption of CO species, in comparison to the serious problem of tolerance of bulk and carbon-supported metals. Polyaniline(PANI)-carbon nanotube (CNT) composites indicate favourable interaction between PANI and CNTs. The CNT provides higher surface area and better electronic conductivity while PANI facilitates the electron transfer through the conducting matrix.  The CNT content in these composites controls their conductive, mechanical, and thermal properties. In this work, we have synthesized PANI-CNT composite using stablizer. The structure and properties of the composites have been studied. the electrochemical performance of the composites have been carried out.