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Facile synthesis of flower-like morphology Cu0.27Co2.73O4 for a high-performance supercapattery with extraordinary cycling stability

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Abstract

The partial replacement of Co by Cu in cobaltite to give Cu0.27Co2.73O4 with unique flower-like morphology is found to be very beneficial for supercapacitor–battery hybrid applications. The 3D architecture of the material on a conductive substrate resulted in outstanding supercapattery performance. Asymmetric assembly of the material with activated carbon in a two-electrode system delivered high energy and power densities as well as a high specific capacity. The device also showed excellent cycling stability over 20 000 cycles, with a capacity retention value of 86.9%.

Graphical abstract: Facile synthesis of flower-like morphology Cu0.27Co2.73O4 for a high-performance supercapattery with extraordinary cycling stability

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Publication details

The article was received on 10 Jun 2018, accepted on 04 Oct 2018 and first published on 05 Oct 2018


Article type: Communication
DOI: 10.1039/C8CC04625E
Citation: Chem. Commun., 2018, Advance Article
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    Facile synthesis of flower-like morphology Cu0.27Co2.73O4 for a high-performance supercapattery with extraordinary cycling stability

    S. Raj, P. Kar and P. Roy, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC04625E

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