One pot synthesis of ilmenite-type NiMnO3–“nitrogen-doped” graphene nanocomposite as next generation supercapacitors

Abstract

NiMnO₃–nitrogen doped graphene composite has been synthesized by a simple hydrothermal method and its supercapacitor performance investigated. The composite exhibits a specific capacitance of 750.2 F g⁻¹ in 1 M Na₂SO₄ at a scan rate of 1 mV s⁻¹. Nitrogen insertion inside the carbon lattice plays a crucial role in the enhancement of the overall specific capacitance and its long-term stability. This reproducible and superior performance of NiMnO₃–nitrogen doped graphene composite make it attractive as a candidate for energy storage materials.