Wrapped nanochain microstructures of Ni3V2O8 nanoparticles for supercapacitor applications using the hydrothermal method

M. A. Yewale; V. Kumar; R. A. Kadam; R. B. Kharade; A. M. Teli; S. A. Beknalkar; S. D. Dhas; U. T. Nakate; D. K. Shin

doi:10.1016/j.est.2023.109005

Wrapped nanochain microstructures of Ni₃V₂O₈ nanoparticles for supercapacitor applications using the hydrothermal method

M. A. Yewale, V. Kumar, R. A. Kadam, R. B. Kharade, A. M. Teli, S. A. Beknalkar, S. D. Dhas, U. T. Nakate, D. K. Shin

Department of Electronics & Electrical Engineering

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

28 Scopus citations

Abstract

With the improved microstructure, porosity, and surface area, bimetal oxides make excellent electrode materials for supercapacitor applications. Here, the hydrothermal method for different molar concentration ratios of Nickel and Vanadium sources was successfully used to synthesize the Ni₃V₂O₈ microballs with a porous microstructure. At a current density of 3 mA/cm², the electrode prepared at a Ni:V molar ratio of 1:0.5 exhibits excellent areal capacitance of 1.56 F/cm². The Ni₃V₂O₈//AC device is an asymmetrical one, delivering 6.6 mWh/cm² energy density at 2.2 W/cm² power densities while exhibiting an area capacitance of 39 mF/cm² at 8 mA/cm² current density. With a retention of 72 % for the most recent 5 K GCD cycles, the device exhibits excellent stability for use in practical applications over 5 k GCD cycles at 12 mA/cm². This research offers a Ni₃V₂O₈ microstructure that offers excellent areal capacitance for energy storage applications.

Original language	English
Article number	109005
Journal	Journal of Energy Storage
Volume	73
DOIs	https://doi.org/10.1016/j.est.2023.109005
State	Published - 10 Dec 2023

Keywords

FESEM
NiVO nanoparticles
Supercapacitor
TEM

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.est.2023.109005

Cite this

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title = "Wrapped nanochain microstructures of Ni3V2O8 nanoparticles for supercapacitor applications using the hydrothermal method",

abstract = "With the improved microstructure, porosity, and surface area, bimetal oxides make excellent electrode materials for supercapacitor applications. Here, the hydrothermal method for different molar concentration ratios of Nickel and Vanadium sources was successfully used to synthesize the Ni3V2O8 microballs with a porous microstructure. At a current density of 3 mA/cm2, the electrode prepared at a Ni:V molar ratio of 1:0.5 exhibits excellent areal capacitance of 1.56 F/cm2. The Ni3V2O8//AC device is an asymmetrical one, delivering 6.6 mWh/cm2 energy density at 2.2 W/cm2 power densities while exhibiting an area capacitance of 39 mF/cm2 at 8 mA/cm2 current density. With a retention of 72 \% for the most recent 5 K GCD cycles, the device exhibits excellent stability for use in practical applications over 5 k GCD cycles at 12 mA/cm2. This research offers a Ni3V2O8 microstructure that offers excellent areal capacitance for energy storage applications.",

keywords = "FESEM, NiVO nanoparticles, Supercapacitor, TEM",

author = "Yewale, \{M. A.\} and V. Kumar and Kadam, \{R. A.\} and Kharade, \{R. B.\} and Teli, \{A. M.\} and Beknalkar, \{S. A.\} and Dhas, \{S. D.\} and Nakate, \{U. T.\} and Shin, \{D. K.\}",

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year = "2023",

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doi = "10.1016/j.est.2023.109005",

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AU - Yewale, M. A.

AU - Kumar, V.

AU - Kadam, R. A.

AU - Kharade, R. B.

AU - Teli, A. M.

AU - Beknalkar, S. A.

AU - Dhas, S. D.

AU - Nakate, U. T.

AU - Shin, D. K.

PY - 2023/12/10

Y1 - 2023/12/10

N2 - With the improved microstructure, porosity, and surface area, bimetal oxides make excellent electrode materials for supercapacitor applications. Here, the hydrothermal method for different molar concentration ratios of Nickel and Vanadium sources was successfully used to synthesize the Ni3V2O8 microballs with a porous microstructure. At a current density of 3 mA/cm2, the electrode prepared at a Ni:V molar ratio of 1:0.5 exhibits excellent areal capacitance of 1.56 F/cm2. The Ni3V2O8//AC device is an asymmetrical one, delivering 6.6 mWh/cm2 energy density at 2.2 W/cm2 power densities while exhibiting an area capacitance of 39 mF/cm2 at 8 mA/cm2 current density. With a retention of 72 % for the most recent 5 K GCD cycles, the device exhibits excellent stability for use in practical applications over 5 k GCD cycles at 12 mA/cm2. This research offers a Ni3V2O8 microstructure that offers excellent areal capacitance for energy storage applications.

AB - With the improved microstructure, porosity, and surface area, bimetal oxides make excellent electrode materials for supercapacitor applications. Here, the hydrothermal method for different molar concentration ratios of Nickel and Vanadium sources was successfully used to synthesize the Ni3V2O8 microballs with a porous microstructure. At a current density of 3 mA/cm2, the electrode prepared at a Ni:V molar ratio of 1:0.5 exhibits excellent areal capacitance of 1.56 F/cm2. The Ni3V2O8//AC device is an asymmetrical one, delivering 6.6 mWh/cm2 energy density at 2.2 W/cm2 power densities while exhibiting an area capacitance of 39 mF/cm2 at 8 mA/cm2 current density. With a retention of 72 % for the most recent 5 K GCD cycles, the device exhibits excellent stability for use in practical applications over 5 k GCD cycles at 12 mA/cm2. This research offers a Ni3V2O8 microstructure that offers excellent areal capacitance for energy storage applications.

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