Dr. Kumar’s research is in the areas of high performance materials, bio materials, energy storage, nano materials, functional electronics, optical materials, as well as fibers and composites. Poymer/carbon nano tube composite as well as polymeric nano composites with other nano materials are areas of special emphasis. Other areas include: Polymer crystallization in the presence of carbon nanotubes. Carbon nanotube based carbon fibers. Electro-chemical supercapacitors. Bio-medical applications of polymers, fibers, nano fibers, and nano composites. Nano composites with thermal and electrical conductivity.