MESSAI.iO

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A nanocomposite of polypyrrole/polyaniline multiwalled carbon nanotubes was electrochemically deposited on a porous carbon cloth and used as an anode in microbial fuel cells for sewage wastewater treatment. The modified electrode showed good conductivity and power density, with a maximum power density of 1,145.4 mWm-2 obtained on the seventh day of incubation. The composite electrode also demonstrated stability and biocompatibility for sewage wastewater treatment while generating electricity.

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What they did

System
MFC

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Abstract

Nanocomposite of polypyrrole/polyaniline multiwalled carbon nanotubes (PANI/PPY-multiwalled carbon nanotubes [MWCNT]) was electrochemically deposited on surface of porous carbon cloth (CC). The Modified nanocomposite was used as anode in microbial fuel cells (MFCs) for sewage waste water treatment while generating electrical power. The modified electrodes were characterized by scanning electron microscopy (SEM) and FTIR. The electrochemical properties and conductivity of the electrode have been evaluated by cyclic voltammetry and electrochemical impedance spectroscopy. The composite electrode shows good conductivity and power Density 1,145.4 + 5.5 mWm-2 obtained at seventh day, 15th and 27th day of incubation Composite also shows stability and biocompatibility for sewage waste water treatment while generating electricity.

Key findings

  • The modified electrode showed good conductivity and power density
  • A maximum power density of 1,145.4 mWm-2 was obtained on the seventh day of incubation
  • The composite electrode demonstrated stability and biocompatibility for sewage wastewater treatment

Keywords

NanocompositeElectrochemistryCharacterization (materials science)Fuel cellsChemical engineeringNanotechnology

Identifiers

DOI
10.70130/cast.2024.7104
Journal
Contemporary Advances in Science and Technology
Year
2023