Ozonation with ammoxidation as a method of obtaining O, N-doped carbon electrode material to electrochemical capacitors

This paper discusses the electroactivity of carbon materials doped by heteroatoms. Activated carbons were modified by the reaction with an ammonia solution followed by ozone treatment. Ozone treatment allows the introduction of not only oxygen functionalities but also nitrogen functional groups through the ammoxidation process. The modified and unmodified carbon materials were used as electrode materials of an electrochemical capacitor. To determine the processes occurring at the electrode/electrolyte interface, a broad physicochemical and electrochemical analysis was performed. The electrical characteristic of supercapacitors was measured in two- and three-electrode cells assembled in a Swagelok (R) system in aqueous electrolytes. The electrochemical properties were examined by cyclic voltammetry and electrochemical impedance spectroscopy.

Automated summary

This paper discusses the electroactivity of carbon materials doped by heteroatoms. The activated carbons were modified by reacting with an ammonia solution and ozone treatment, which introduced oxygen and nitrogen functionalities. The processes occurring at the electrode/electrolyte interface were studied by wide physicochemical and electrochemical analysis, and the electrical characteristic of supercapacitors was measured using two- and three-electrode cells assembled in a Swagelok(R) system.