ACID-DOPED POLYELECTROLYTE MODIFIED CARBON NANOTUBES AND THEIR USE IN HIGH TEMPERATURE PEM FUEL CELL ELECTRODES

摘要

New multifunctional aromatic copolymers bearing pyridine or pyrimidine units either in the main chain or side chain and single wall carbon nanotubes or multi wall carbon nanotubes as side chain pendants have been prepared. These multifunctional materials will combine both high proton and electrical conductivity due to the existence of polar pyridine or pyrimidine groups and carbon nanotubes within the same chemical structure. The prepared multifunctional materials can be used in the catalyst ink of the electrodes in high temperature PEM fuel cells.