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Open air biocathode enables effective electricity generation with microbial fuel cells

Peter Clauwaert UGent, David van der Ha UGent, Nico Boon UGent, Kim Verbeken UGent, Marc Verhaege UGent, Korneel Rabaey UGent and Willy Verstraete UGent (2007) ENVIRONMENTAL SCIENCE & TECHNOLOGY. 41(21). p.7564-7569
abstract
The reduction of oxygen at the cathode is one of the major bottlenecks of microbial fuel cells (MFCs). While research so far has mainly focused on chemical catalysis of this oxygen reduction, here we present a continuously wetted cathode with microorganisms that act as biocatalysts for oxygen reduction. We combined the anode of an acetate oxidizing tubular microbial fuel cell with an open air biocathode for electricity production. The maximum power production was 83 11 W m(-3) MFC (0.183 L MFC) for batchfed systems (20-40% Coulombic yield) and 65 5 W m(-3) MFC for a continuous system with an acetate loading rate of 1.5 kg COD m(-3) day(-1) (90 +/- 3% Coulombic yield). Electrochemical precipitation of manganese oxides on the cathodic graphite felt decreased the start-up period with approximately 30% versus a non-treated graphite felt. After the start-up period, the cell performance was similar for the pretreated and non-treated cathodic electrodes. Several reactor designs were tested, and it was found that enlargement of the 0.183 L MFC reactor by a factor 2.9-3.8 reduced the volumetric power output by 60-67%. Biocathodes alleviate the need to use noble or non-noble catalysts for the reduction of oxygen, which increases substantially the viability and sustainability of MFCs.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ELECTRODES, CATALYSTS, COMMUNITIES, MEMBRANE, POWER-GENERATION, ANAEROBIC RESPIRATION, OXYGEN REDUCTION, STRAIN, COTMPP, CATION
journal title
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Environ. Sci. Technol.
volume
41
issue
21
pages
7564 - 7569
Web of Science type
Article
Web of Science id
000250556100061
JCR category
ENVIRONMENTAL SCIENCES
JCR impact factor
4.363 (2007)
JCR rank
4/154 (2007)
JCR quartile
1 (2007)
ISSN
0013-936X
DOI
10.1021/es0709831
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
439079
handle
http://hdl.handle.net/1854/LU-439079
date created
2008-11-10 18:21:00
date last changed
2014-01-08 15:28:06
@article{439079,
  abstract     = {The reduction of oxygen at the cathode is one of the major bottlenecks of microbial fuel cells (MFCs). While research so far has mainly focused on chemical catalysis of this oxygen reduction, here we present a continuously wetted cathode with microorganisms that act as biocatalysts for oxygen reduction. We combined the anode of an acetate oxidizing tubular microbial fuel cell with an open air biocathode for electricity production. The maximum power production was 83 11 W m(-3) MFC (0.183 L MFC) for batchfed systems (20-40\% Coulombic yield) and 65 5 W m(-3) MFC for a continuous system with an acetate loading rate of 1.5 kg COD m(-3) day(-1) (90 +/- 3\% Coulombic yield). Electrochemical precipitation of manganese oxides on the cathodic graphite felt decreased the start-up period with approximately 30\% versus a non-treated graphite felt. After the start-up period, the cell performance was similar for the pretreated and non-treated cathodic electrodes. Several reactor designs were tested, and it was found that enlargement of the 0.183 L MFC reactor by a factor 2.9-3.8 reduced the volumetric power output by 60-67\%. Biocathodes alleviate the need to use noble or non-noble catalysts for the reduction of oxygen, which increases substantially the viability and sustainability of MFCs.},
  author       = {Clauwaert, Peter and van der Ha, David and Boon, Nico and Verbeken, Kim and Verhaege, Marc and Rabaey, Korneel and Verstraete, Willy},
  issn         = {0013-936X},
  journal      = {ENVIRONMENTAL SCIENCE \& TECHNOLOGY},
  keyword      = {ELECTRODES,CATALYSTS,COMMUNITIES,MEMBRANE,POWER-GENERATION,ANAEROBIC RESPIRATION,OXYGEN REDUCTION,STRAIN,COTMPP,CATION},
  language     = {eng},
  number       = {21},
  pages        = {7564--7569},
  title        = {Open air biocathode enables effective electricity generation with microbial fuel cells},
  url          = {http://dx.doi.org/10.1021/es0709831},
  volume       = {41},
  year         = {2007},
}

Chicago
Clauwaert, Peter, David van der Ha, Nico Boon, Kim Verbeken, Marc Verhaege, Korneel Rabaey, and Willy Verstraete. 2007. “Open Air Biocathode Enables Effective Electricity Generation with Microbial Fuel Cells.” Environmental Science & Technology 41 (21): 7564–7569.
APA
Clauwaert, P., van der Ha, D., Boon, N., Verbeken, K., Verhaege, M., Rabaey, K., & Verstraete, W. (2007). Open air biocathode enables effective electricity generation with microbial fuel cells. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 41(21), 7564–7569.
Vancouver
1.
Clauwaert P, van der Ha D, Boon N, Verbeken K, Verhaege M, Rabaey K, et al. Open air biocathode enables effective electricity generation with microbial fuel cells. ENVIRONMENTAL SCIENCE & TECHNOLOGY. 2007;41(21):7564–9.
MLA
Clauwaert, Peter, David van der Ha, Nico Boon, et al. “Open Air Biocathode Enables Effective Electricity Generation with Microbial Fuel Cells.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 41.21 (2007): 7564–7569. Print.