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Mixed transition metal oxide nanowire arrays enabling hybrid capacitor performance enhancement

Abstract

Electrode materials with excellent electrochemical performance are very significant for energy storage devices. However, single structured electrode materials present poor conductivity and cycling stability. In this work, we prepare MnO2@NiCo2O4 nanowire arrays by a simple hydrothermal method. The as-fabricated product exhibits a specific capacitance of 452.1 C g-1 at 10 A g-1. The assembled device keeps 82.1% capacitance retention after 10000 cycles and delivers an energy density of 31.8 Wh kg-1 at power density of 2241.6 W kg-1. This superior electrochemical performance can be ascribed to the unique spatial structure, demonstrating the potential application in next generation micro/nanodevices.

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Publication details

The article was received on 27 Jul 2019, accepted on 15 Aug 2019 and first published on 15 Aug 2019


Article type: Paper
DOI: 10.1039/C9CE01169B
CrystEngComm, 2019, Accepted Manuscript

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    Mixed transition metal oxide nanowire arrays enabling hybrid capacitor performance enhancement

    D. Zhao, M. Dai, Y. Tong, X. Song and X. Wu, CrystEngComm, 2019, Accepted Manuscript , DOI: 10.1039/C9CE01169B

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