Effects of the presence of sheet iron in freshwater sediment on the performance of a sediment microbial fuel cell

被引：28
|
作者：
Zhang, Hongkun [1 ,2 ]
Zhu, Dawei [1 ,2 ]
Song, Tian-shun [1 ,2 ,3 ]
Ouyang, Pingkai [1 ,2 ,4 ,5 ]
Xie, Jingjing [1 ,2 ,3 ,4 ,5 ]
机构：
[1] Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing 211816, Jiangsu, Peoples R China
[2] Nanjing Tech Univ, Coll Life Sci & Pharmaceut Engn, Nanjing 211816, Jiangsu, Peoples R China
[3] China Acad Sci & Technol Dev, Jiangsu Branch, Nanjing, Peoples R China
[4] Nanjing Tech Univ, Natl Engn Tech Res Ctr Biotechnol, Nanjing 211816, Jiangsu, Peoples R China
[5] Natl Engn Tech Res Ctr Biotechnol, Nanjing, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 46期
关键词：
Sediment microbial fuel cell; Electricity; Iron; Corrosion; ELECTRICITY; POWER; GENERATION; MINERALS; REMOVAL; CATHODE; SOIL;
D O I：
10.1016/j.ijhydene.2015.09.045
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, we demonstrate the effect of iron sheet on the output power of sediment microbial fuel cells (SMFCs). An SMFC with iron sheet present, but not in the circuit (SMFC-GF-iron) displayed a maximum power density of 63 mW m(-2), whereas we find 37 mW m(-2) for that SMFC with the iron sheet not present (SMFC-GF). Furthermore, the SMFC with an iron sheet in the circuit (SMFC-iron) had a maximum power density of 170 mW m(-2). The effect of sheet iron, out of the circuit, was to improve the iron reduction microbial activity, while, within the circuit, it produced a large number of electrons from the electrochemical corrosion yielding higher power production. The study suggests that the addition of iron sheet to an SMFC is an easy and effective method for enhancing the output power of SMFCs. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：16566 / 16571
页数：6
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