Electrochemical study of nanoneedle arrays of quaternary metal (Ni-Co-Cu-Ce) -based oxides composite hybridized with nitrogen-doped graphene oxide and polyaniline for supercapacitor applications

Journal of Alloys and Compounds, Год журнала: 2025, Номер 1013, С. 178549 - 178549

Опубликована: Янв. 1, 2025

Язык: Английский

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Structure and Morphological Properties of Cobalt-Oxide-Based (Co3O4) Materials as Electrodes for Supercapacitors: A Brief Review

Materials, Год журнала: 2025, Номер 18(2), С. 413 - 413

Опубликована: Янв. 17, 2025

Over the past 15 years, there has been a significant increase in search for environmentally friendly energy sources, and transition-metal-based storage devices are leading way these new technologies. Supercapacitors attractive this regard due to their superior capabilities. Electrode materials, which crucial components of supercapacitors, such as cobalt-oxide-based electrodes, have great qualities achieving high supercapacitor performance. This brief review presents some basic concepts recent findings on cobalt-based materials used fabricate electrodes supercapacitors. The text also clarifies how morphological characteristics typically influence certain properties. inner surface electrode exhibits several properties that change provide it boost specific capacitance charge storage. Porous structures with defined pore sizes shapes areas important features improving electrochemical Finally, we present perspectives development focusing structure

Язык: Английский

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Optimization Strategies for Binary Transition metal Selenides in High-Performance Supercapacitor-Battery hybrid Devices

Electrochimica Acta, Год журнала: 2025, Номер unknown, С. 145764 - 145764

Опубликована: Янв. 1, 2025

Язык: Английский

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Designing an Exfoliated Hexagonal Boron Nitride Nanosheets Embellished on Spherical ZnS as an Efficient Electrode for Hybrid Supercapacitor Applications

Energy Technology, Год журнала: 2025, Номер unknown

Опубликована: Фев. 27, 2025

Supercapacitors have evolved into a viable solution for confronting issues of energy demand modern technological world, but its most significant challenge is the construction novel electrode devices with long‐term accumulation. In this current work, exfoliated h‐BN‐ZnS nanocomposites been efficiently synthesized through an ultrasonication technique. The characterizations Raman, X‐ray diffraction, and photoelectron spectroscopy studies ensure successful preparation nanocomposites. Further, morphology visualized by field emission scanning electron microscopy high‐resolution transmission microscopy, displaying h‐BN nanosheets embellished over surface spherical‐shaped ZnS particles. electrochemical cyclic voltammetry, impedance spectroscopy, galvanostatic charge discharge tested in which NCs working reveals maximum specific capacity 919.09 C g −1 at 10 mV s . A hybrid supercapacitor device constructed assembling activated carbon as positive negative electrode, providing excellent 273.54 1 , achieving good density 64.20 Wh kg corresponding power 844.92 W showing 94.5% superior retention 5000 cycles respectively.

Язык: Английский

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Sensitive detection of urea based on Dy2O3-Co3O4@ZrO2 nanocomposite by electrochemical approach for environmental assessment

Microchemical Journal, Год журнала: 2024, Номер unknown, С. 111915 - 111915

Опубликована: Окт. 1, 2024

Язык: Английский

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Degradation of methylene blue under visible-light with copper-doped cobalt oxide nanoparticles

Journal of the Taiwan Institute of Chemical Engineers, Год журнала: 2024, Номер 165, С. 105819 - 105819

Опубликована: Ноя. 7, 2024

Язык: Английский

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MnOOH nanorods decorated with CeO2 nanoparticles as advanced electrode for high-performance supercapacitor

Inorganic Chemistry Communications, Год журнала: 2024, Номер 170, С. 113535 - 113535

Опубликована: Ноя. 13, 2024

Язык: Английский

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