Gelatin as a promising printable feedstock for microbial fuel cells (MFC)

Ieropoulos, I., Theodosiou, P., Taylor, B., Greenman, J. and Melhuish, C. (2017) Gelatin as a promising printable feedstock for microbial fuel cells (MFC). International Journal of Hydrogen Energy, 42 (3). pp. 1783-1790. ISSN 0360-3199 Available from: http://eprints.uwe.ac.uk/31049

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Publisher's URL: http://dx.doi.org/10.1016/j.ijhydene.2016.11.083

Abstract/Description

The microbial fuel cell (MFC) is an energy transducer that can directly produce electricity from bacterial oxidation of organic matter. MFCs consist of two reaction chambers (anode and cathode) separated by a semipermeable membrane. This study describes the work carried out towards the optimization of critical MFC components, with 3D fabricated materials. The response of the optimized fuel cells, which were fed with soft materials such as gelatin, alginate and Nafion™, is also reported. The optimised components were the membrane and the cathode electrode. A conventional Nafion membrane was substituted with a custom made terracotta sheet and the electrode used was a single sheet of carbon veil coated with an activated carbon paste. The results showed that among the soft materials tested within the anodic chamber, gelatin performed the best; it also revealed that even after a 10-day starvation period gelatin demonstrated better longevity. These results show that MFCs have the potential to be 3D-printed monolithically using the EVOBOT platform.

Item Type:Article
Uncontrolled Keywords:MFC, EVOBOT, gelatin, 3D-printing, 3D printable feedstock
Faculty/Department:Faculty of Environment and Technology > Department of Engineering Design and Mathematics
ID Code:31049
Deposited By: P. Theodosiou
Deposited On:22 Feb 2017 16:19
Last Modified:22 May 2017 19:35

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