To overcome the above-mentioned problems, different strategies are adopted such as developing the hybrid composite materials comprising of both EDLC and pseudocapacitive behavior, and doping of heteroatoms into the lattice of host carbon material . Doping carbon materials with heteroatom (N, S, B, P, F, etc.) functionalities has been shown to significantly enhance various properties of carbon materials, while utilizing them for supercapacitor applications owing to the following reasons: (i) Introducing hetero atoms into the backbone of carbon material, induces partial positive charges on the nearby carbon atoms/heteroatoms with lower electronegativity and forms a polarized electrode surface .