Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/98896
Title: Graphene/carbon cloth anode for high-performance mediatorless microbial fuel cells
Authors: Song, Hao
Li, Chang Ming
Liu, Jing
Qiao, Yan
Guo, Chun Xian
Lim, Sierin
Issue Date: 2012
Source: Liu, J., Qiao, Y., Guo, C. X., Lim, S., Song, H.,& Li, C. M. (2012). Graphene/carbon cloth anode for high-performance mediatorless microbial fuel cells. Bioresource Technology, 114, 275-280.
Series/Report no.: Bioresource technology
Abstract: Graphene was electrochemically deposited on carbon cloth to fabricate an anode for a Pseudomonas aeruginosa mediatorless microbial fuel cell (MFC). The graphene modification improved power density and energy conversion efficiency by 2.7 and 3 times, respectively. The improvement is attributed to the high biocompatibility of graphene which promotes bacteria growth on the electrode surface that results in the creation of more direct electron transfer activation centers and stimulates excretion of mediating molecules for higher electron transfer rate. A parallel bioelectrocatalytic mechanism consisting of simultaneous direct electron transfer and cell-excreted mediator-enabled electron transfer was established in the P. aeruginosa-catalyzed MFC. This study does not only offer fundamental insights into MFC reactions, but also suggests a low cost manufacturing process to fabricate high power MFCs for practical applications.
URI: https://hdl.handle.net/10356/98896
http://hdl.handle.net/10220/12767
ISSN: 0960-8524
DOI: 10.1016/j.biortech.2012.02.116
Schools: School of Chemical and Biomedical Engineering 
Research Centres: Centre for Advanced Bionanosystems 
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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