Effect of nitrogen addition on the performance of microbial fuel cell anodes

Handle URI:
http://hdl.handle.net/10754/598054
Title:
Effect of nitrogen addition on the performance of microbial fuel cell anodes
Authors:
Saito, Tomonori; Mehanna, Maha; Wang, Xin; Cusick, Roland D.; Feng, Yujie; Hickner, Michael A.; Logan, Bruce E.
Abstract:
Carbon cloth anodes were modified with 4(N,N-dimethylamino)benzene diazonium tetrafluoroborate to increase nitrogen-containing functional groups at the anode surface in order to test whether the performance of microbial fuel cells (MFCs) could be improved by controllably modifying the anode surface chemistry. Anodes with the lowest extent of functionalization, based on a nitrogen/carbon ratio of 0.7 as measured by XPS, achieved the highest power density of 938mW/m2. This power density was 24% greater than an untreated anode, and similar to that obtained with an ammonia gas treatment previously shown to increase power. Increasing the nitrogen/carbon ratio to 3.8, however, decreased the power density to 707mW/m2. These results demonstrate that a small amount of nitrogen functionalization on the carbon cloth material is sufficient to enhance MFC performance, likely as a result of promoting bacterial adhesion to the surface without adversely affecting microbial viability or electron transfer to the surface. © 2010 Elsevier Ltd.
Citation:
Saito T, Mehanna M, Wang X, Cusick RD, Feng Y, et al. (2011) Effect of nitrogen addition on the performance of microbial fuel cell anodes. Bioresource Technology 102: 395–398. Available: http://dx.doi.org/10.1016/j.biortech.2010.05.063.
Publisher:
Elsevier BV
Journal:
Bioresource Technology
KAUST Grant Number:
KUS-11-003-I3
Issue Date:
Jan-2011
DOI:
10.1016/j.biortech.2010.05.063
PubMed ID:
20889061
Type:
Article
ISSN:
0960-8524
Sponsors:
This research was supported by the National Science Foundation (CBET-08,03,137), Award KUS-11-003-I3 from the King Abdullah University of Science and Technology, and the National Creative Research Groups of China (No. 50821002). We thank Dr. Timothy B. Tighe for helping XPS analysis. We also thank Mr. David W. Jones and Ms. Ellen M. Bingham for technical support for this research.
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Full metadata record

DC FieldValue Language
dc.contributor.authorSaito, Tomonorien
dc.contributor.authorMehanna, Mahaen
dc.contributor.authorWang, Xinen
dc.contributor.authorCusick, Roland D.en
dc.contributor.authorFeng, Yujieen
dc.contributor.authorHickner, Michael A.en
dc.contributor.authorLogan, Bruce E.en
dc.date.accessioned2016-02-25T13:11:47Zen
dc.date.available2016-02-25T13:11:47Zen
dc.date.issued2011-01en
dc.identifier.citationSaito T, Mehanna M, Wang X, Cusick RD, Feng Y, et al. (2011) Effect of nitrogen addition on the performance of microbial fuel cell anodes. Bioresource Technology 102: 395–398. Available: http://dx.doi.org/10.1016/j.biortech.2010.05.063.en
dc.identifier.issn0960-8524en
dc.identifier.pmid20889061en
dc.identifier.doi10.1016/j.biortech.2010.05.063en
dc.identifier.urihttp://hdl.handle.net/10754/598054en
dc.description.abstractCarbon cloth anodes were modified with 4(N,N-dimethylamino)benzene diazonium tetrafluoroborate to increase nitrogen-containing functional groups at the anode surface in order to test whether the performance of microbial fuel cells (MFCs) could be improved by controllably modifying the anode surface chemistry. Anodes with the lowest extent of functionalization, based on a nitrogen/carbon ratio of 0.7 as measured by XPS, achieved the highest power density of 938mW/m2. This power density was 24% greater than an untreated anode, and similar to that obtained with an ammonia gas treatment previously shown to increase power. Increasing the nitrogen/carbon ratio to 3.8, however, decreased the power density to 707mW/m2. These results demonstrate that a small amount of nitrogen functionalization on the carbon cloth material is sufficient to enhance MFC performance, likely as a result of promoting bacterial adhesion to the surface without adversely affecting microbial viability or electron transfer to the surface. © 2010 Elsevier Ltd.en
dc.description.sponsorshipThis research was supported by the National Science Foundation (CBET-08,03,137), Award KUS-11-003-I3 from the King Abdullah University of Science and Technology, and the National Creative Research Groups of China (No. 50821002). We thank Dr. Timothy B. Tighe for helping XPS analysis. We also thank Mr. David W. Jones and Ms. Ellen M. Bingham for technical support for this research.en
dc.publisherElsevier BVen
dc.subjectAnode treatmenten
dc.subjectBacterial adhesionen
dc.subjectDiazonium functionalizationen
dc.subjectMicrobial fuel cellen
dc.titleEffect of nitrogen addition on the performance of microbial fuel cell anodesen
dc.typeArticleen
dc.identifier.journalBioresource Technologyen
dc.contributor.institutionPennsylvania State University, State College, United Statesen
dc.contributor.institutionHarbin Institute of Technology, Harbin, Chinaen
kaust.grant.numberKUS-11-003-I3en
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