Evaluating the suitability of tungsten, titanium and stainless steel wires as current collectors in microbial fuel cells
I. Sharma, M. M. Ghangrekar
AI summary
70% confidenceTungsten wire (TW) was found to be the best current collector material for microbial fuel cells (MFCs), achieving the highest power density and current density in MFC-5.
Generated by MESSAI extraction pipeline · review against source PDF
Representative MFC — matched on the paper’s system type only, not its reactor or geometry.
Open in lab for full controls, parameter editing, and template overlays.
Open in lab →What they did
- System
- MFC
What worked
No outcome metrics extracted yet.
Abstract
Abstract An appropriate current collector (CC) is crucial for harvesting substantial power in a microbial fuel cell (MFC). In the present study, stainless steel (SS) and titanium wires were used as the CCs for both the anode and cathode of MFC-1 and MFC-2, respectively. Tungsten wire (TW) was used as the anode CC in MFC-3, with SS wire as the cathode CC. In MFC-4, TW was used as the cathode CC with SS wire as the anode CC, and in MFC-5 both electrode CCs were TW. The power density, current density, oxidation current and bio-capacitance were compared to select the best and most cost effective CC material to enhance the power output of MFCs. Maximum power densities (mW/m²) of 32.28, 93.10, 225.38, 210.74, and 234.88 were obtained in MFC-1, MFC-2, MFC-3, MFC-4, and MFC-5, respectively. The highest current density (639.86 mA/m²) and coulombic efficiency (23.12 ± 1.5%) achieved in MFC-5 showed TW to be the best CC for both electrodes. The maximum oxidation current of 7.4 mA and 7 mA and bio-capacitance of 10.3 mF/cm² and 9.7 mF/cm² were achieved in MFC-3 and MFC-5, respectively, suggesting TW is the best as the anode CC and SS wire as the cathode CC to reduce MFC fabrication costs.
Key findings
- [object Object]
- [object Object]
- [object Object]
Keywords
Identifiers
- Journal
- Water Science and Technology
- Year
- 2017