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Trace heavy metal ions promoted extracellular electron transfer and power generation by Shewanella in microbial fuel cells
Xu, Yu-Shang1,2,3; Zheng, Tao4; Yong, Xiao-Yu2,3; Zhai, Dan-Dan1; Si, Rong-Wei1; Li, Bing1; Yu, Yang-Yang1; Yong, Yang-Chun1
2016-07-01
Source PublicationBIORESOURCE TECHNOLOGY
Volume211Pages:542-547
AbstractAlthough microbial fuel cells (MFCs) is considered as one of the most promising technology for renewable energy harvesting, low power output still accounts one of the bottlenecks and limits its further development. In this work, it is found that Cu2+ (0.1 mu g L-1-0.1 mg L-1) or Cd2+ (0.1 mu g L-1-1 mg L-1) significantly improve the electricity generation in MFCs. The maximum power output achieved with trace level of Cu2+ (similar to 6 nM) or Cd2+ (similar to 5 nM) is 1.3 times and 1.6 times higher than that of the control, respectively. Further analysis verifies that addition of Cu2+ or Cd-2+ effectively improves riboflavin production and bacteria attachment on the electrode, which enhances bacterial extracellular electron transfer (EET) in MFCs. These results unveil the mechanism for power output enhancement by Cu2+ or Cd2+ addition, and suggest that metal ion addition should be a promising strategy to enhance EET as well as power generation of MFCs. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordMicrobial Fuel Cells Shewanella Oneidensis Heavy Metal Ions Extracellular Electron Transfer Bioelectrochemical Systems Biofilm
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.03.144
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordESCHERICHIA-COLI ; ONEIDENSIS MR-1 ; ENHANCEMENT ; BIOELECTRICITY ; ACID ; BIOSYNTHESIS ; PERFORMANCE ; ELECTRICITY ; STRESS ; CONVERSION
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000375186700068
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11380
Collection中国科学院广州能源研究所
Affiliation1.Jiangsu Univ, Biofuels Inst, Sch Environm, Zhenjiang 212013, Peoples R China
2.Nanjing TECH Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing 210095, Jiangsu, Peoples R China
3.Nanjing TECH Univ, Bioenergy Res Inst, Nanjing 210095, Jiangsu, Peoples R China
4.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Xu, Yu-Shang,Zheng, Tao,Yong, Xiao-Yu,et al. Trace heavy metal ions promoted extracellular electron transfer and power generation by Shewanella in microbial fuel cells[J]. BIORESOURCE TECHNOLOGY,2016,211:542-547.
APA Xu, Yu-Shang.,Zheng, Tao.,Yong, Xiao-Yu.,Zhai, Dan-Dan.,Si, Rong-Wei.,...&Yong, Yang-Chun.(2016).Trace heavy metal ions promoted extracellular electron transfer and power generation by Shewanella in microbial fuel cells.BIORESOURCE TECHNOLOGY,211,542-547.
MLA Xu, Yu-Shang,et al."Trace heavy metal ions promoted extracellular electron transfer and power generation by Shewanella in microbial fuel cells".BIORESOURCE TECHNOLOGY 211(2016):542-547.
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