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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
发表期刊BIORESOURCE TECHNOLOGY
卷号211页码:542-547
摘要Although 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.
文章类型Article
关键词Microbial Fuel Cells Shewanella Oneidensis Heavy Metal Ions Extracellular Electron Transfer Bioelectrochemical Systems Biofilm
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.03.144
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]ESCHERICHIA-COLI ; ONEIDENSIS MR-1 ; ENHANCEMENT ; BIOELECTRICITY ; ACID ; BIOSYNTHESIS ; PERFORMANCE ; ELECTRICITY ; STRESS ; CONVERSION
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000375186700068
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11380
专题中国科学院广州能源研究所
作者单位1.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
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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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