Synthesis of Nitrogen-doped Nb₂O₅ for Energy Application

Abstract

Recently metal oxide based supercapacitor has immense importance due to their enhanced capacitive properties. Niobium Oxide (Nb2O5) as a metal oxide can be useful due to its availability, economic and environment factors, but its use in the application of energy storage and devices is very limited. In this thesis, we have Nitrogen-doped Nb2O5 (N-doped Nb2O5) which is synthesized through solid combustion and sol–gel method and their application in terms of supercapacitive performance are measured Proper doping of nitrogen doped Nb2O5 into activated carbon enhances its super capacitive properties. Nitrogen doping shows very interesting and encouraging results but it has not been studied by many researchers. However, detail study with varying percent doping has to be explored. Hence, in the present work, the nitrogen doped Nb2O5 will be synthesized and characterized with different techniques for its phase purity and electrical properties. Further, the electrochemical / super capacitive performance will be demonstrated with respect to N doping in Nb2O5. After that material characterization (SEM/XRD//Edax etc.) and device characterization (CV/impedance/cyclic stability etc.) will be performed to check the properties and performance of synthesized material and fabricated supercapacitor.