open access publication

Article, 2024

Novel multinary nanocomposite of GO/AlCrO3/SiO2/Mn3O4/SnO2: synthesis and electrochemical performance for energy storage system

Journal of Taibah University for Science, ISSN 1658-3655, Volume 18, 1, Page 2351619, 10.1080/16583655.2024.2351619

Contributors

Batool, Kiran 0000-0002-0375-3492 [1] Rani, Malika 0000-0002-9117-3403 (Corresponding author) [1] Akram, Mariam [1] Shafique, Rubia [1] Alothman, Asma A 0000-0002-4701-5424 [2] Algahtani, Huda A [2] Mohammad, Mushab Saleh [2] Ali, Sajid [3] Jahan, Fakhar [4]

Affiliations

  1. [1] The Women University Multan
    2. [NORA names: Pakistan; Asia, South];
  2. [2] King Saud University
    3. [NORA names: Saudi Arabia; Asia, Middle East];
  3. [3] Technical University of Denmark
    4. [NORA names: DTU Technical University of Denmark; University; Denmark; Europe, EU; Nordic; OECD];
  4. [4] Khawaja Fareed university of engineering and information technology, Rahim Yar Khan, Pakistan
    5. [NORA names: Pakistan; Asia, South]

Abstract

A unique nanocomposite GO/AlCrO3/Mn3O4/SiO2/SnO2 synthesized through hydrothermal method serves as an electrode material for electrochemical supercapacitors. The material structural and optical characteristics were studied using various techniques. Interestingly, the average crystallite sizes were 16.88, 21.2, 20.81 nm for AlCrO3, GO, and GO@AlCrO3@SiO2@Mn3O4@SnO2 nanocomposite, respectively. The nanocomposite displayed 16 nm spherical grains due to particle aggregation on the graphene oxide surface causing structural deviations evident in the Raman spectrum slope around 1578 cm−1. FTIR spectra revealed distinctive bands at 2097 cm−1 and 1523 cm−1 indicating metal–oxygen bonds. UV-Vis spectra disclosed a band gap of 2.85 eV and a zeta potential of 27.9 mV signifying stability. The hybrid electrode exhibited remarkable electrochemical performance boasting a specific capacitance of 2495 Fg−1 for scan rate of 10 mVs−1. Given its robust performance under high current densities, enduring stability and energy efficiency the material holds significant promise as an energy storage material particularly for supercapacitors.

Keywords

FTIR, FTIR spectra, Fg-1, GO, UV–vis, UV–vis spectra, aggregation, average crystallite size, bonds, capacitance, characteristics, crystallite size, current density, density, deviation, efficiency, electrochemical performance, electrochemical supercapacitors, electrode, electrode materials, energy, energy efficiency, energy storage materials, energy storage system, graphene, graphene oxide surface, high current density, hybrid, hybrid electrode, hydrothermal method, materials, metal-oxygen bonds, method, nanocomposites, optical characteristics, oxide surface, particle aggregation, performance, potential, rate, robust performance, scan rate, size, slope, spectra, spectrum slope, stability, storage materials, storage system, structural deviations, supercapacitors, surface, synthesis, system, technique, zeta, zeta potential

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