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Antimony-modified tin oxide nanoparticles: hydrothermal synthesis for high-performance supercapacitor electrodes

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2025, 35(4), pp.1611~1624
  • DOI : 10.1007/s42823-025-00866-x
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : October 5, 2024
  • Accepted : January 13, 2025
  • Published : December 11, 2025

Babar Umesh D. 1 Babar Bapuso M. 2 Pore Onkar C. 3 Chavan Priyanka P. 1 Sutar Suhas H. 2 Mujawar Sarfraj H. 2 Chougale Ashok D. 4 Patil Amar M. 5 Jun Seong Chan 6 Alhajri Ebrahim 7 Chodankar Nilesh R. 7 Kamble Pradip D. 1

1Department of Physics, The New College, Kolhapur, Maharashtra
2Department of Physics, Yashavantrao Chavan Institute of Science
3Department of Physics, Shrimant Babasaheb Deshmukh Mahavidyalaya
4Department of Chemistry, The New College, Kolhapur, Maharashtra
5Nano-Electro-Mechanical Device Laboratory School of Mechanical Engineering, Yonsei University
6연세대학교
7Khalifa University of Science and Technology

Accredited

ABSTRACT

Enhancing the energy storage capabilities of supercapacitors (SCs) while preserving their electrochemical performance is crucial for their widespread application. Our research focuses on developing Sb-modified tin oxide (ATO) nanoparticles via a scalable hydrothermal process, offering substantial potential in this domain. The tetragonal nanoparticle structure provides abundant active sites and a highly porous pathway, facilitating rapid and efficient energy storage. Additionally, tin's varied oxidation states significantly enhance redox capacitance. Electrochemical measurements demonstrate ATO's promise as an advanced SC electrode, achieving a peak specific capacitance of 332 F/g at 3 mA/cm2, with robust redox capacitance confirmed through kinetic analysis. Moreover, the ATO electrode exhibits exceptional capacitance retention over 2000 cycles. This study establishes ATO as a leading candidate for future energy storage applications, underscoring its pivotal role in advancing energy storage technologies.

Citation status

* References for papers published after 2024 are currently being built.