Unraveling the Pseudocapacitive Charge Storage Mechanism of NiCo2O4 Nanoflakes for Advanced Quasi Solid-State Hybrid Supercapacitor

Deependra Jhankal; Bhanu Yadav; Preeti Shakya; Mohammad Saquib Khan; Monika Shrivastav; K. K. Jhankal; Kanupriya Sachdev

doi:10.1149/1945-7111/ad288d

Unraveling the Pseudocapacitive Charge Storage Mechanism of NiCo₂O₄ Nanoflakes for Advanced Quasi Solid-State Hybrid Supercapacitor

Deependra Jhankal
, Bhanu Yadav
, Preeti Shakya
, Mohammad Saquib Khan
, Monika Shrivastav
, K. K. Jhankal
, Kanupriya Sachdev

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Highlights This study aimed to synthesize NiCo₂O₄ nanoflakes by a sol-gel method. The NiCo₂O₄ has been utilized as the battery-type material for HSC applications. Pseudocapacitive storage kinetics have been extensively evaluated. HSC device (MoS₂-rGO||NiCo₂O₄) with PVA-Na₂SO₄ gel superior specific capacitance.

Original language	English
Article number	020541
Journal	Journal of the Electrochemical Society
Volume	171
Issue number	2
DOIs	https://doi.org/10.1149/1945-7111/ad288d
State	Published - 1 Feb 2024
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2024 The Electrochemical Society (“ECS”). Published on behalf of ECS by IOP Publishing Limited.

Keywords

energy storage
gel electrolyte
hybrid supercapacitor
sol-gel synthesis method
spinel structure

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Condensed Matter Physics
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

Access to Document

10.1149/1945-7111/ad288d

Cite this

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abstract = "Highlights This study aimed to synthesize NiCo2O4 nanoflakes by a sol-gel method. The NiCo2O4 has been utilized as the battery-type material for HSC applications. Pseudocapacitive storage kinetics have been extensively evaluated. HSC device (MoS2-rGO||NiCo2O4) with PVA-Na2SO4 gel superior specific capacitance.",

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AU - Shakya, Preeti

AU - Khan, Mohammad Saquib

AU - Shrivastav, Monika

AU - Jhankal, K. K.

AU - Sachdev, Kanupriya

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AB - Highlights This study aimed to synthesize NiCo2O4 nanoflakes by a sol-gel method. The NiCo2O4 has been utilized as the battery-type material for HSC applications. Pseudocapacitive storage kinetics have been extensively evaluated. HSC device (MoS2-rGO||NiCo2O4) with PVA-Na2SO4 gel superior specific capacitance.

KW - energy storage

KW - gel electrolyte

KW - hybrid supercapacitor

KW - sol-gel synthesis method

KW - spinel structure

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