Multi-wall carbon nanotubes decorated MnCo2O4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors

Jai Bhagwan; Sk Khaja Hussain; B. N. Vamsi Krishna; Jae Su Yu

doi:10.1016/j.jiec.2020.10.045

Multi-wall carbon nanotubes decorated MnCo₂O_4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors

Jai Bhagwan
, Sk Khaja Hussain
, B. N. Vamsi Krishna
, Jae Su Yu

Department of Chemical and Biochemical Engineering

Kyung Hee University

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

29 Scopus citations

Abstract

The MnCo₂O_4.5 hexagonal nanoplates and multi-wall carbon nanotube (MWCNT)@MnCo₂O_4.5 composite were prepared via a rapid and low-cost co-precipitation method. The prepared materials were characterized by various characterization techniques and used as an electrode for supercapacitors. The specific capacitance values of 451 and 1292 F g⁻¹ were obtained from MnCo₂O_4.5 and MWCNT@MnCo₂O_4.5, respectively at 1 A g⁻¹. Furthermore, MWCNT@MnCo₂O_4.5//AC-based device indicated the higher energy density value of 33 Wh kg⁻¹ at the power density of 362.5 W kg⁻¹ under the current density of 0.5 A g⁻¹. The practical electronic application of the device was tested by powering twelve light-emitting diodes, a digital watch and a motor fan. From the results of the MnCo₂O_4.5 with MWCNTs, the MnCo₂O_4.5 is expected to be a potential viable material for high-performance electrochemical capacitors.

Original language	English
Pages (from-to)	292-301
Number of pages	10
Journal	Journal of Industrial and Engineering Chemistry
Volume	94
DOIs	https://doi.org/10.1016/j.jiec.2020.10.045
State	Published - 25 Feb 2021

Keywords

Electrochemical capacitors
Energy density and power density
MnCoO hexagonal nanoplates
MWCNTs

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10.1016/j.jiec.2020.10.045

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@article{85c80d821f5f4f97833aef2c5f8f8152,

title = "Multi-wall carbon nanotubes decorated MnCo2O4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors",

abstract = "The MnCo2O4.5 hexagonal nanoplates and multi-wall carbon nanotube (MWCNT)@MnCo2O4.5 composite were prepared via a rapid and low-cost co-precipitation method. The prepared materials were characterized by various characterization techniques and used as an electrode for supercapacitors. The specific capacitance values of 451 and 1292 F g−1 were obtained from MnCo2O4.5 and [email protected], respectively at 1 A g−1. Furthermore, [email protected]//AC-based device indicated the higher energy density value of 33 Wh kg−1 at the power density of 362.5 W kg−1 under the current density of 0.5 A g−1. The practical electronic application of the device was tested by powering twelve light-emitting diodes, a digital watch and a motor fan. From the results of the MnCo2O4.5 with MWCNTs, the MnCo2O4.5 is expected to be a potential viable material for high-performance electrochemical capacitors.",

keywords = "Electrochemical capacitors, Energy density and power density, MnCoO hexagonal nanoplates, MWCNTs",

author = "Jai Bhagwan and Hussain, \{Sk Khaja\} and \{Vamsi Krishna\}, \{B. N.\} and Yu, \{Jae Su\}",

note = "Publisher Copyright: {\textcopyright} 2020 The Korean Society of Industrial and Engineering Chemistry",

year = "2021",

month = feb,

day = "25",

doi = "10.1016/j.jiec.2020.10.045",

language = "English",

volume = "94",

pages = "292--301",

journal = "Journal of Industrial and Engineering Chemistry",

issn = "1226-086X",

publisher = "Korean Society of Industrial Engineering Chemistry",

}

Multi-wall carbon nanotubes decorated MnCo₂O_4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors. / Bhagwan, Jai; Hussain, Sk Khaja; Vamsi Krishna, B. N. et al.
In: Journal of Industrial and Engineering Chemistry, Vol. 94, 25.02.2021, p. 292-301.

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

TY - JOUR

T1 - Multi-wall carbon nanotubes decorated MnCo2O4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors

AU - Bhagwan, Jai

AU - Hussain, Sk Khaja

AU - Vamsi Krishna, B. N.

AU - Yu, Jae Su

PY - 2021/2/25

Y1 - 2021/2/25

N2 - The MnCo2O4.5 hexagonal nanoplates and multi-wall carbon nanotube (MWCNT)@MnCo2O4.5 composite were prepared via a rapid and low-cost co-precipitation method. The prepared materials were characterized by various characterization techniques and used as an electrode for supercapacitors. The specific capacitance values of 451 and 1292 F g−1 were obtained from MnCo2O4.5 and [email protected], respectively at 1 A g−1. Furthermore, [email protected]//AC-based device indicated the higher energy density value of 33 Wh kg−1 at the power density of 362.5 W kg−1 under the current density of 0.5 A g−1. The practical electronic application of the device was tested by powering twelve light-emitting diodes, a digital watch and a motor fan. From the results of the MnCo2O4.5 with MWCNTs, the MnCo2O4.5 is expected to be a potential viable material for high-performance electrochemical capacitors.

AB - The MnCo2O4.5 hexagonal nanoplates and multi-wall carbon nanotube (MWCNT)@MnCo2O4.5 composite were prepared via a rapid and low-cost co-precipitation method. The prepared materials were characterized by various characterization techniques and used as an electrode for supercapacitors. The specific capacitance values of 451 and 1292 F g−1 were obtained from MnCo2O4.5 and [email protected], respectively at 1 A g−1. Furthermore, [email protected]//AC-based device indicated the higher energy density value of 33 Wh kg−1 at the power density of 362.5 W kg−1 under the current density of 0.5 A g−1. The practical electronic application of the device was tested by powering twelve light-emitting diodes, a digital watch and a motor fan. From the results of the MnCo2O4.5 with MWCNTs, the MnCo2O4.5 is expected to be a potential viable material for high-performance electrochemical capacitors.

KW - Electrochemical capacitors

KW - Energy density and power density

KW - MnCoO hexagonal nanoplates

KW - MWCNTs

UR - https://www.scopus.com/pages/publications/85096524577

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DO - 10.1016/j.jiec.2020.10.045

M3 - Article

AN - SCOPUS:85096524577

SN - 1226-086X

VL - 94

SP - 292

EP - 301

JO - Journal of Industrial and Engineering Chemistry

JF - Journal of Industrial and Engineering Chemistry

ER -

Multi-wall carbon nanotubes decorated MnCo₂O_4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors

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Keywords

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