Copper anode corrosion affects power generation in microbial fuel cells

dc.contributor.authorZhu, Xiuping
dc.contributor.authorLogan, Bruce E.
dc.contributor.institutionDepartment of Civil and Environmental Engineering; Penn State University; USA
dc.date.accessioned2016-02-25T12:58:16Z
dc.date.available2016-02-25T12:58:16Z
dc.date.issued2013-07-16
dc.date.published-online2013-07-16
dc.date.published-print2014-03
dc.description.abstractNon-corrosive, carbon-based materials are usually used as anodes in microbial fuel cells (MFCs). In some cases, however, metals have been used that can corrode (e.g. copper) or that are corrosion resistant (e.g. stainless steel, SS). Corrosion could increase current through galvanic (abiotic) current production or by increasing exposed surface area, or decrease current due to generation of toxic products from corrosion. In order to directly examine the effects of using corrodible metal anodes, MFCs with Cu were compared with reactors using SS and carbon cloth anodes. MFCs with Cu anodes initially showed high current generation similar to abiotic controls, but subsequently they produced little power (2 mW m-2). Higher power was produced with microbes using SS (12 mW m-2) or carbon cloth (880 mW m-2) anodes, with no power generated by abiotic controls. These results demonstrate that copper is an unsuitable anode material, due to corrosion and likely copper toxicity to microorganisms. © 2013 Society of Chemical Industry.
dc.description.sponsorshipThe authors acknowledge support from the King Abdullah University of Science and Technology (KAUST) by Award KUS-I1-003-13. We thank Mike Greenwald for help in Cu<SUP>2+</SUP> measurement using atomic absorption flame emission spectrophotometry.
dc.identifier.citationZhu X, Logan BE (2013) Copper anode corrosion affects power generation in microbial fuel cells. Journal of Chemical Technology & Biotechnology 89: 471–474. Available: http://dx.doi.org/10.1002/jctb.4156.
dc.identifier.doi10.1002/jctb.4156
dc.identifier.issn0268-2575
dc.identifier.journalJournal of Chemical Technology & Biotechnology
dc.identifier.urihttp://hdl.handle.net/10754/597881
dc.publisherWiley
dc.subjectCarbon cloth anode
dc.subjectCopper anode
dc.subjectMicrobial fuel cell
dc.subjectStainless steel anode
dc.titleCopper anode corrosion affects power generation in microbial fuel cells
dc.typeArticle
display.details.left<span><h5>Type</h5>Article<br><br><h5>Authors</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Zhu, Xiuping,equals">Zhu, Xiuping</a><br><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.author=Logan, Bruce E.,equals">Logan, Bruce E.</a><br><br><h5>KAUST Grant Number</h5>KUS-I1-003-13<br><br><h5>Online Publication Date</h5>2013-07-16<br><br><h5>Print Publication Date</h5>2014-03<br><br><h5>Date</h5>2013-07-16</span>
display.details.right<span><h5>Abstract</h5>Non-corrosive, carbon-based materials are usually used as anodes in microbial fuel cells (MFCs). In some cases, however, metals have been used that can corrode (e.g. copper) or that are corrosion resistant (e.g. stainless steel, SS). Corrosion could increase current through galvanic (abiotic) current production or by increasing exposed surface area, or decrease current due to generation of toxic products from corrosion. In order to directly examine the effects of using corrodible metal anodes, MFCs with Cu were compared with reactors using SS and carbon cloth anodes. MFCs with Cu anodes initially showed high current generation similar to abiotic controls, but subsequently they produced little power (2 mW m-2). Higher power was produced with microbes using SS (12 mW m-2) or carbon cloth (880 mW m-2) anodes, with no power generated by abiotic controls. These results demonstrate that copper is an unsuitable anode material, due to corrosion and likely copper toxicity to microorganisms. © 2013 Society of Chemical Industry.<br><br><h5>Citation</h5>Zhu X, Logan BE (2013) Copper anode corrosion affects power generation in microbial fuel cells. Journal of Chemical Technology & Biotechnology 89: 471–474. Available: http://dx.doi.org/10.1002/jctb.4156.<br><br><h5>Acknowledgements</h5>The authors acknowledge support from the King Abdullah University of Science and Technology (KAUST) by Award KUS-I1-003-13. We thank Mike Greenwald for help in Cu<SUP>2+</SUP> measurement using atomic absorption flame emission spectrophotometry.<br><br><h5>Publisher</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.publisher=Wiley,equals">Wiley</a><br><br><h5>Journal</h5><a href="https://repository.kaust.edu.sa/search?spc.sf=dc.date.issued&spc.sd=DESC&f.journal=Journal of Chemical Technology & Biotechnology,equals">Journal of Chemical Technology & Biotechnology</a><br><br><h5>DOI</h5><a href="https://doi.org/10.1002/jctb.4156">10.1002/jctb.4156</a></span>
kaust.grant.numberKUS-I1-003-13
orcid.authorZhu, Xiuping
orcid.authorLogan, Bruce E.
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