Hierarchical NiCo2O4/Bi2MoO6 heterostructured nanorod arrays for high-performance supercapacitors
2019
Abstract Ordered hierarchical NiCo 2 O 4 /Bi 2 MoO 6 nanorod arrays directly grown on Ti foil are fabricated by a facile two-step hydrothermal reaction. The heterostructured electrode enables synergistic effect for excellent electrochemical properties. Moreover, this unique three-dimensional nanostructure not only promotes the electron transfer and ion diffusion but also provides good structure stability. As the binder-free electrode, hierarchical NiCo 2 O 4 /Bi 2 MoO 6 nanorods show high capacitance (0.94 F cm −2 at 5 mA cm −2 ) and good cycling stability (capacitance retention of 96.3%).
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