Abstract

We introduced a facile method to construct new ternary hierarchical nanocomposites by combining MnO2coated one dimensional (1D) conducting polyaniline (PANI) nanowires with 2D graphene oxide sheets (GOs). The hierarchical nanocomposite structures of PANI@MnO2/Graphene oxide were further proved by XRD, SEM and TEM measurements. The ternary composites possessed higher electrochemical capacitance than each individual component as supercapacitor electrode materials.Such intriguing electrochemical performance is mainly attributed to the synergistic effects of MnO2, PANI and GOs. The hierarchical ternary nanocomposites show excellent electrochemical properties for energy storage applications, which evidence their potential application as supercapacitors.

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