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September 29, 2025Energy & Fuels

Synergistic Effect of the Graphene/NiO-β-Ni(OH)2-CuO Cathode and the rGO/NiO-V2O5 Anode for Asymmetric Supercapacitors

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Authors

GMGunasekaran ManibalanYGYoganandan GovindarajJYJohnbosco Yesuraj

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Overview

Experiment demonstrates enhanced electrochemical performance and energy density in supercapacitors, highlighting graphene's role.

Key Points

  • The graphene/NiO-β-Ni(OH)2-CuO nanocomposite shows an excellent areal capacitance of 3.2 F cm–2.
  • The asymmetric supercapacitor achieves a maximum energy density of 122.6 mWh cm–2 with a notable capacity retention of 77.3%.
  • This study synthesizes heterostructured nanocomposites to improve the efficiency and performance of supercapacitors.
  • The demonstration of these devices powering LEDs illustrates their practical application in real-world energy storage.

Cite This Study

Manibalan et al. (2025) studied this question.

synapsesocial.com/papers/68da58c9c1728099cfd10909https://doi.org/10.1021/acs.energyfuels.5c01923
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Also Consider

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  1. 1Synergy of Charge Storage Properties of CuO and Polypyrrole in Composite CuO-Polypyrrole Electrodes for Asymmetric Supercapacitor Devices2024 · 28 citations
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  3. 3Electrochemical Performances of ZnO–NiO–CuO Mixed Metal Oxides as Smart Electrode Material for Solid-State Asymmetric Device Fabrication2021 · 72 citations
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