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Hierarchical nanostructured MnCo2O4–NiCo2O4 composites as innovative electrodes for supercapacitor applications

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Abstract

NiCo2O4 (NCO) nanosheet decorated MnCo2O4 (MCO) nanoflakes are successfully prepared on a nickel foam surface using a one-step chemical bath deposition route for supercapacitor applications. The unique nanoflakes with nanosheet structures provide efficient pathways for rapid electron and ion transportation. As a result, the MCO–NCO composite electrode exhibits a higher specific capacitance of 1152 F g−1 at 1 A g−1, excellent rate capability and superior cycling stability (95.38% retention after 3000 cycles) compared to individual MCO nanoflakes and NCO nanosheets. These results show that the as-fabricated MCO–NCO composites are promising candidates for electrochemical supercapacitors.

Graphical abstract: Hierarchical nanostructured MnCo2O4–NiCo2O4 composites as innovative electrodes for supercapacitor applications

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Publication details

The article was received on 28 Jul 2018, accepted on 28 Sep 2018 and first published on 28 Sep 2018


Article type: Letter
DOI: 10.1039/C8NJ03764G
Citation: New J. Chem., 2018, Advance Article
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    Hierarchical nanostructured MnCo2O4–NiCo2O4 composites as innovative electrodes for supercapacitor applications

    H. Lee, C. V. V. Muralee Gopi, P. J. S. Rana, R. Vinodh, S. Kim, R. Padma and H. Kim, New J. Chem., 2018, Advance Article , DOI: 10.1039/C8NJ03764G

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