Nanocomposites with mixed electronic and protonic conduction for electrocatalysis

Novel multipurpose electrode materials that have various catalytic applications are developed. The materials are composites based on multiwalled carbon nanotubes and electroconducting polymer polyaniline, organized as "fiber in a jacket." Nanoparticles of metallic platinum and compounds of transition metals are additionally immobilized in the polymer layer. It is demonstrated experimentally that the materials possess high electronic and protonic conductance, thermal stability, hydrophilicity, large specific surface area, and considerable porosity.