Abstract
A scalable and pre-manufactured cloth material (Goretex® fabric) was used as a diffusion layer (DL) material as a replacement for a liquid-applied polytetrafluoroethylene (PTFE) DL. Cathodes with the Goretex fabric heat-bonded to the air-side of carbon cloth cathode (CC-Goretex) produced a maximum power density of 1330±30mW/m2, similar to that using a PTFE DL (1390±70mW/m2, CC-PTFE). This method was also successfully used to produce cathodes made of inexpensive carbon mesh, which resulted in only slightly less power (1180±10mW/m2) (CM-Goretex). Coulombic efficiencies were a function of current density, with the highest value for CC-PTFE cathodes (63%), similar to CC-Goretex cathodes (61%), and slightly larger than that obtained for the CM-Goretex cathodes (54%). These results show that a commercially available fabric can easily be used as the DL in an MFC, achieving performance similar to that obtained with a more labor-intensive process based on liquid-applied DLs using PTFE.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 49-52 |
| Number of pages | 4 |
| Journal | Biochemical Engineering Journal |
| Volume | 73 |
| DOIs | |
| State | Published - Apr 5 2013 |
All Science Journal Classification (ASJC) codes
- Bioengineering
- Biotechnology
- Environmental Engineering
- Biomedical Engineering
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