Effect of the ceramic membrane properties on the microbial fuel cell power output and catholyte generation
Effect of the ceramic membrane properties on the microbial fuel cell power output and catholyte generation
Ceramic membranes for MFCs offer a low cost alternative to the expensive ion exchange membranes, whilst promoting catholyte accumulation. However, their physicochemical properties need to be optimised, in order to increase the power output and the catholyte quality from MFCs. Two compositions of fine fire clay (FFC) cured under three firing cycles were manufactured, analysed and tested as ion-exchange and structural material for MFCs. The samples were characterised by scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS). The power and catholyte generated from the ceramic MFCs with different FFC types was also evaluated. The results show a direct correlation between the ohmic resistance, the MFC power generation and the water absorption of the ceramics, giving a maximum power of 1 mW from the MFC with the most absorptive FFC (16.37% water absorbance). A slightly more alkaline catholyte was synthesised from the MFCs with higher water absorption FFC.
Microbial fuel cell (MFC), Ceramic membrane, Catholyte production, Electroosmotic drag, Urine
30-37
Merino-Jimenez, Irene
429a40e2-04dd-42b8-8439-ac7c545ec05f
Gonzalez-Juarez, Fernando
a4c475be-d2eb-4eec-81e2-c60b668733f6
Greenman, John
eb3d9b82-7cac-4442-9301-f34884ae4a16
Ieropoulos, Ioannis
6c580270-3e08-430a-9f49-7fbe869daf13
31 July 2019
Merino-Jimenez, Irene
429a40e2-04dd-42b8-8439-ac7c545ec05f
Gonzalez-Juarez, Fernando
a4c475be-d2eb-4eec-81e2-c60b668733f6
Greenman, John
eb3d9b82-7cac-4442-9301-f34884ae4a16
Ieropoulos, Ioannis
6c580270-3e08-430a-9f49-7fbe869daf13
Merino-Jimenez, Irene, Gonzalez-Juarez, Fernando, Greenman, John and Ieropoulos, Ioannis
(2019)
Effect of the ceramic membrane properties on the microbial fuel cell power output and catholyte generation.
Journal of Power Sources, 429, .
(doi:10.1016/j.jpowsour.2019.04.043).
Abstract
Ceramic membranes for MFCs offer a low cost alternative to the expensive ion exchange membranes, whilst promoting catholyte accumulation. However, their physicochemical properties need to be optimised, in order to increase the power output and the catholyte quality from MFCs. Two compositions of fine fire clay (FFC) cured under three firing cycles were manufactured, analysed and tested as ion-exchange and structural material for MFCs. The samples were characterised by scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS). The power and catholyte generated from the ceramic MFCs with different FFC types was also evaluated. The results show a direct correlation between the ohmic resistance, the MFC power generation and the water absorption of the ceramics, giving a maximum power of 1 mW from the MFC with the most absorptive FFC (16.37% water absorbance). A slightly more alkaline catholyte was synthesised from the MFCs with higher water absorption FFC.
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Published date: 31 July 2019
Keywords:
Microbial fuel cell (MFC), Ceramic membrane, Catholyte production, Electroosmotic drag, Urine
Identifiers
Local EPrints ID: 456227
URI: http://eprints.soton.ac.uk/id/eprint/456227
ISSN: 0378-7753
PURE UUID: 5b26e03a-c038-4f85-9d7e-9bfb5680b534
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Date deposited: 26 Apr 2022 19:08
Last modified: 17 Mar 2024 04:10
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Author:
Irene Merino-Jimenez
Author:
Fernando Gonzalez-Juarez
Author:
John Greenman
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