Indium oxide decorated graphitic carbon nitride/multiwalled carbon nanotubes ternary composite for supercapacitor applications

Title

Indium oxide decorated graphitic carbon nitride/multiwalled carbon nanotubes ternary composite for supercapacitor applications

Creator

James N.; PB S.

Description

A hybrid ternary composite In2O3/g-C3N4/MWCNT (GCI) was synthesized by combining three-dimensional In2O3, two-dimensional g-C3N4, and one-dimensional MWCNTs employing a one-pot solvothermal method. The resulting In2O3/g-C3N4/MWCNTs composite leverages the combined benefits of the integration of different dimensionality materials and the synergy between its components. Integrating 1D, 2D, and 3-D materials can create hybrid structures with 3D architectures. It exhibits hierarchical porosity that provides better conductive pathways for ion transport and improves the rate performance. The distinct spatial structure of the composite with short ion diffusion paths maximizes the exposure of the active sites and enhances the conductivity, leading to superior energy storage performance. The electrochemical assessment of the In2O3/g-C3N4/MWCNTs composite exhibited a remarkable specific capacitance of 1081 F g?1 at 1 A g?1 with a commendable capacitance retention of 97.5 % at 3 A g?1 over 5000 cycles. An asymmetric supercapacitor fabricated using In2O3/g-C3N4/MWCNT//AC showcased a notable energy density of 57.5 Wh Kg?1 with an impressive power density of 2760 W Kg?1 at 1 A g?1. The outstanding electrochemical attributes of the fabricated device underscore the potential of the material for future applications in hybrid energy storage systems. 2024 Elsevier Ltd

Source

Electrochimica Acta, Vol-507

Date

2024-01-01

Publisher

Elsevier Ltd

Subject

Asymmetric supercapacitor; Graphitic carbon nitride; Indium oxide; Multiwalled carbon nanotubes; Specific capacitance

Coverage

James N., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India; PB S., Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, 560029, India

Rights

Restricted Access

Relation

ISSN: 134686; CODEN: ELCAA

Format

Online

Language

English

Type

Article

Identifier

https://doi.org/10.1016/j.electacta.2024.145192

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