Model Based Evaluation of the Effect of Redox Mediator Concentrations on Microbial Fuel Cell Performance
This study builds a mathematical model for microbial fuel cells (MFCs) with soluble chemical substrates, redox mediators and suspended cells. By modeling the biological growth, substrate degradation and the current generation process of anode chamber, analysis the variation of mediators and substrat...
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Veröffentlicht in: | Applied Mechanics and Materials 2014-09, Vol.644-650, p.5423-5426 |
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description | This study builds a mathematical model for microbial fuel cells (MFCs) with soluble chemical substrates, redox mediators and suspended cells. By modeling the biological growth, substrate degradation and the current generation process of anode chamber, analysis the variation of mediators and substrate over time, the influence of mediator concentrations on substrate degradation and current generation. The result showed that substrate concentrations≥2mg/L, Continue to increase the amount of mediator has no effect on the variation of mediator and the time it reaches the maximum, the oxidized and reduced mediator has the opposite change trends. Each mediator concentrations corresponding substrate have experienced slow degradation, rapid degradation and depletion three stages. The greater the concentrations of the initial mediator, the shorter time substrate reaches the rapid degradation, but the final amount of degradation of the substrate is not affected. Enough mediators produce more current than inadequate, substrate concentration≥2mg/L, the maximum current does not increase with increasing of the mediator concentrations, it achieves the maximum while mediator concentrations is 3mg/L. |
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By modeling the biological growth, substrate degradation and the current generation process of anode chamber, analysis the variation of mediators and substrate over time, the influence of mediator concentrations on substrate degradation and current generation. The result showed that substrate concentrations≥2mg/L, Continue to increase the amount of mediator has no effect on the variation of mediator and the time it reaches the maximum, the oxidized and reduced mediator has the opposite change trends. Each mediator concentrations corresponding substrate have experienced slow degradation, rapid degradation and depletion three stages. The greater the concentrations of the initial mediator, the shorter time substrate reaches the rapid degradation, but the final amount of degradation of the substrate is not affected. Enough mediators produce more current than inadequate, substrate concentration≥2mg/L, the maximum current does not increase with increasing of the mediator concentrations, it achieves the maximum while mediator concentrations is 3mg/L.</description><identifier>ISSN: 1660-9336</identifier><identifier>ISSN: 1662-7482</identifier><identifier>ISBN: 9783038352464</identifier><identifier>ISBN: 3038352462</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.644-650.5423</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><ispartof>Applied Mechanics and Materials, 2014-09, Vol.644-650, p.5423-5426</ispartof><rights>2014 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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By modeling the biological growth, substrate degradation and the current generation process of anode chamber, analysis the variation of mediators and substrate over time, the influence of mediator concentrations on substrate degradation and current generation. The result showed that substrate concentrations≥2mg/L, Continue to increase the amount of mediator has no effect on the variation of mediator and the time it reaches the maximum, the oxidized and reduced mediator has the opposite change trends. Each mediator concentrations corresponding substrate have experienced slow degradation, rapid degradation and depletion three stages. The greater the concentrations of the initial mediator, the shorter time substrate reaches the rapid degradation, but the final amount of degradation of the substrate is not affected. Enough mediators produce more current than inadequate, substrate concentration≥2mg/L, the maximum current does not increase with increasing of the mediator concentrations, it achieves the maximum while mediator concentrations is 3mg/L.</description><issn>1660-9336</issn><issn>1662-7482</issn><issn>1662-7482</issn><isbn>9783038352464</isbn><isbn>3038352462</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqVkMtKxDAUhoMX8DbvEHAprWluTZdaxgtYFNF1SNMTpkNtNOk4-vZmHEG3rg7h_PnOz4fQWUFyTqg6X6_XebQ9jFPvepuPMJ1fNE0uOc-kILnglO2gw0JKmpVc0V00q0rFCFNMUC753veOZBVj8gAdxbgkRPKCq0O0aHwHA740ETo8fzfDyky9H7F3eFoAnjsHdtq8HqHzH7iBrjeTD7j2o011wnc64vSj6W3wbW8GfLVKxBqGAT9AcD68mJQ9QfvODBFmP_MYPV_Nn-qb7O7--ra-uMsslQXLSuCpOYXOMiMIcFN1wKloZUFK1ZJOmcrZsiiZkq2tBHdUtQxAEaBCUUnZMTrdcl-Df1tBnPTSr8KYTupCSCGU5KxMqXqbSp1jDOD0a-hfTPjUBdEb5Top17_KdVKuk3KdlOukXG-UJ8p8S0kexjiBXfw59g_OF08_kc0</recordid><startdate>20140901</startdate><enddate>20140901</enddate><creator>Liu, Qiang</creator><creator>Tang, Yu Lan</creator><creator>Hu, Di</creator><creator>Yu, Jin</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20140901</creationdate><title>Model Based Evaluation of the Effect of Redox Mediator Concentrations on Microbial Fuel Cell Performance</title><author>Liu, Qiang ; Tang, Yu Lan ; Hu, Di ; Yu, Jin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2613-7e47832edc3a50e4a9de425b61078b0d8a9fc717386bc954f28b3ee80e2582623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Qiang</creatorcontrib><creatorcontrib>Tang, Yu Lan</creatorcontrib><creatorcontrib>Hu, Di</creatorcontrib><creatorcontrib>Yu, Jin</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Continental Europe Database</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><jtitle>Applied Mechanics and Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Qiang</au><au>Tang, Yu Lan</au><au>Hu, Di</au><au>Yu, Jin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Model Based Evaluation of the Effect of Redox Mediator Concentrations on Microbial Fuel Cell Performance</atitle><jtitle>Applied Mechanics and Materials</jtitle><date>2014-09-01</date><risdate>2014</risdate><volume>644-650</volume><spage>5423</spage><epage>5426</epage><pages>5423-5426</pages><issn>1660-9336</issn><issn>1662-7482</issn><eissn>1662-7482</eissn><isbn>9783038352464</isbn><isbn>3038352462</isbn><abstract>This study builds a mathematical model for microbial fuel cells (MFCs) with soluble chemical substrates, redox mediators and suspended cells. By modeling the biological growth, substrate degradation and the current generation process of anode chamber, analysis the variation of mediators and substrate over time, the influence of mediator concentrations on substrate degradation and current generation. The result showed that substrate concentrations≥2mg/L, Continue to increase the amount of mediator has no effect on the variation of mediator and the time it reaches the maximum, the oxidized and reduced mediator has the opposite change trends. Each mediator concentrations corresponding substrate have experienced slow degradation, rapid degradation and depletion three stages. The greater the concentrations of the initial mediator, the shorter time substrate reaches the rapid degradation, but the final amount of degradation of the substrate is not affected. Enough mediators produce more current than inadequate, substrate concentration≥2mg/L, the maximum current does not increase with increasing of the mediator concentrations, it achieves the maximum while mediator concentrations is 3mg/L.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/AMM.644-650.5423</doi><tpages>4</tpages></addata></record> |
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title | Model Based Evaluation of the Effect of Redox Mediator Concentrations on Microbial Fuel Cell Performance |
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