Characteristics of electricity production by metallic and nonmetallic anodes immersed in mud sediment using sediment microbial fuel cell

被引:1
作者
Haque, N. [1 ]
Cho, D. [2 ]
Kwon, S. [1 ]
机构
[1] Gyeongsang Natl Univ, Dept Ocean Syst Engn, Tongyeong 650160, Gyeongnam, South Korea
[2] Soonchunhyang Univ, Dept Energy & Environm Engn, Asan 336745, Chungnam, South Korea
来源
7TH INTERNATIONAL CONFERENCE ON COOLING & HEATING TECHNOLOGIES (ICCHT 2014) | 2015年 / 88卷
关键词
REDUCING BACTERIUM; IRON REDUCTION; NEUTRAL RED; WASTE-WATER; GENERATION; POWER; OXIDATION; PERFORMANCE; ELECTRODES; GLUCOSE;
D O I
10.1088/1757-899X/88/1/012072
中图分类号
O414.1 [热力学];
学科分类号
摘要
Sediment microbial fuel cell (SMFC), equipped with Zn, Al, Cu, Fe or graphite felt (GF) anode and marine sediment, was performed. Graphite felt was used as a common cathode. SMFC was single chambered and did not use any redox mediator. The aim of this work was to find efficient anodic material. Oxidation reduction potential (ORP), cell voltage, current density, power density, pH and chemical oxygen demand (COD) were measured for SMFC's performance. The order of maximum power density was 913 mWm(-2) for Zn, 646 mWm(-2) for Fe, 387.8 mWm(-2) for Cu, 266 mWm(-2) for Al, and 127 mWm(-2) for GF. The current density over voltage was found to be strongly correlated one another in most metal electrodes but the graphite felt electrode, in which relatively weaker electricity was observed because of its bio-oriented mechanism. Metal corrosion reactions and/or a complicated microbial electron transfer mechanism acting around the anodic compartment may facilitate to generate electricity. We presume that more sophisticated selection of anodic material can lead to better performance in SMFC.
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页数:9
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