Facile preparation of a highly efficient NiZn2 O4 -NiO nanoflower composite grown on Ni foam as an advanced battery-type electrode material for high-performance electrochemical supercapacitors

Dalton Transactions : an International Journal of Inorganic Chemistry
Yedluri Anil KumarHee-Je Kim

Abstract

The development of combined simple metal oxides and binary metal oxides on a flexible conductor has been needed as a novel approach for energy storage sources. Here, we demonstrate a simple and versatile strategy towards the synthesis of a NiZn2O4-NiO nanoflower array (NFA) composite effectively deposited into a nickel (Ni) foam conductor for energy storing applications to achieve better electrochemical results. The morphology and other physical properties of the as-developed composite were analyzed, and the results suggest that the NiO nanoparticles have been effectively anchored into the binary NiZn2O4 nanoleaves array surface. The composite NiZn2O4-NiO NFAs nanoarchitecture combines superior surface area with huge numbers of active sites to boost electrochemical reactions and excellent transport between electrons and ions, as compared to NiZn2O4 nanoleaf arrays (NLAs). Meanwhile, taking into consideration electrochemical studies, the composite NiZn2O4-NiO NFAs exhibited extraordinary faradaic redox progress, which was different from the metal oxide based electrode profiles. Cyclic voltammetry and galvanostatic charge-discharge plateaus from the NiZn2O4 NLAs and NiZn2O4-NiO NFAs electrodes exhibit faradaic battery-type redox ...Continue Reading

References

May 7, 2010·Journal of the American Chemical Society·Hailiang WangHongjie Dai
Jan 11, 2014·Chemical Communications : Chem Comm·Afshin PendashtehMir F Mousavi
Mar 15, 2014·Science·Patrice SimonBruce Dunn

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Citations

Aug 28, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Shengjie HuiZongrong Ying
Sep 16, 2020·ACS Applied Materials & Interfaces·Pratigya SharmaRajeev Ahuja

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