Using a glass fiber separator in a single-chamber air-cathode microbial fuel cell shortens start-up time and improves anode performance at ambient and mesophilic temperatures

被引：36
作者：
Zhang, Xiaoyuan [1 ]
Liang, Peng [1 ]
Shi, Juan [1 ,2 ]
Wei, Jincheng [1 ]
Huang, Xia [1 ]
机构：
[1] Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Sch Environm, THU VEOLIA Environm Joint Res Ctr Adv Environm Te, Beijing 100084, Peoples R China
[2] China Univ Min & Technol, Sch Environm Sci & Spatial Informat, Xuzhou 221116, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2013年 / 130卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Microbial fuel cell; Separator; Start-up time; Anode performance; POWER-GENERATION; INTERNAL RESISTANCE; ELECTRICITY-GENERATION; VOLTAMMETRY; CONVERSION; OVERSHOOT;
D O I：
10.1016/j.biortech.2012.12.091
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A shorter start-up time and highly negative anode potentials are needed to improve single-chamber air-cathode microbial fuel cells (MFCs). Using a glass fiber separator reduced the start-up time from 10 d to 8 d at 20 degrees C, and from 4 d to 2 d at 30 degrees C, and enhanced coulombic efficiency (CE) from <60% to 89% (20 degrees C) and 87% (30 degrees C). Separators also reduced anode potentials by 20-190 mV, charge transfer resistances by 76% (20 degrees C) and 19% (30 degrees C), and increased CV peak currents by 24% (20 degrees C) and 8% (30 degrees C) and the potential range for redox activity (-0.55 to 0.10 mV vs. -0.49 to -0.24 mV at 20 degrees C). Using a glass fiber separator in an air-cathode MFC, combined with inoculation at a mesophilic temperature, are excellent strategies to shorten start-up time and to enhance anode performance and CE. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：529 / 535
页数：7
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