Effective Nano-manufacturing of T-Nb2O5 for supercapacitor applications

Surjit  Sahoo; Anand Kumar  Gandham; Vijay Kumar  Pal

doi:10.59400/esc2074

Effective Nano-manufacturing of T-Nb2O5 for supercapacitor applications

Surjit Sahoo Mechanical Engineering Department, Indian Institute of Technology, Jammu 181221, India; Department of Industrial and Manufacturing Systems Engineering, Kansas State University, KS 66506, USA
Anand Kumar Gandham Mechanical Engineering Department, Indian Institute of Technology, Jammu 181221, India
Vijay Kumar Pal Mechanical Engineering Department, Indian Institute of Technology, Jammu 181221, India

Article ID: 2074

663 Views, 612 PDF Downloads, 3 Supp.file Downloads

DOI: https://doi.org/10.59400/esc2074

Keywords: hydrothermal; T-Nb2O5; nanoparticles; specific capacitance; supercapacitors

Abstract

Characterized by unique physical and chemical properties, metal oxide materials have garnered significant attention for research and development in energy storage device applications. In the current work, we present a simple and low-cost synthesis protocol for orthorhombic-phase niobium oxide (T-Nb₂O₅) electrodes, aimed at supercapacitor applications. The as-prepared T-Nb₂O₅ was characterized utilizing field emission scanning electron microscopy, X-ray diffraction, and energy-dispersive X-ray spectroscopy, confirming the formation of orthorhombic-phase T-Nb₂O₅ nanoparticles. Detailed electrochemical analyses were conducted on T-Nb₂O₅, utilizing 1 M LiOH as the electrolyte. The unique nanoparticle architecture of T-Nb₂O₅ offers abundant electro-active sites and enhances reaction kinetics, leading to high specific capacitance. Notably, the T-Nb₂O₅ electrode achieved a gravimetric capacitance of approximately 23 F g⁻¹ at the lowest sweep rate (5 mV s⁻¹). These findings highlight the potential of T-Nb₂O₅ as an effective electroactive material for supercapacitors.

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Published

2024-11-28

How to Cite

Sahoo, S., Gandham, A. K., & Pal, V. K. (2024). Effective Nano-manufacturing of T-Nb2O5 for supercapacitor applications. Energy Storage and Conversion, 2(4), 2074. https://doi.org/10.59400/esc2074

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