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Bioenergy generation and wastewater treatment with nickel pyrophosphate as a novel cathode catalyst in single-chamber microbial fuel cells

Author

Listed:
  • Kharti, Hamza
  • Touach, Noureddine
  • Lotfi, El Mostapha
  • El Mahi, Mohammed
  • Mouhir, Latifa
  • Fekhaoui, Mohammed
  • Benzaouak, Abdellah

Abstract

Microbial fuel cells (MFCs) offer an attractive solution for wastewater treatment integrated with sustainable energy generation. This study assesses nickel pyrophosphate (Ni2P2O7) as a novel cathode catalyst for oxygen reduction in single-chamber MFCs. Ni2P2O7 was synthesized via hydrothermal methods and thermally treated, with its structure and morphology confirmed by XRD, SEM, FTIR, and TGA analyses. The Ni2P2O7-based MFCs achieved a peak power density of 499 mW/m³ and a chemical oxygen demand (COD) removal efficiency of 60 %. These findings, combined with the low cost of Ni2P2O7, suggest its potential as an effective and economical alternative to noble metal catalysts, encouraging further optimization for industrial applications.

Suggested Citation

  • Kharti, Hamza & Touach, Noureddine & Lotfi, El Mostapha & El Mahi, Mohammed & Mouhir, Latifa & Fekhaoui, Mohammed & Benzaouak, Abdellah, 2024. "Bioenergy generation and wastewater treatment with nickel pyrophosphate as a novel cathode catalyst in single-chamber microbial fuel cells," Renewable Energy, Elsevier, vol. 231(C).
    • Handle: RePEc:eee:renene:v:231:y:2024:i:c:s0960148124010796
    DOI: 10.1016/j.renene.2024.121011
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