Water transfer between anode and cathode of dual chamber microbial fuel cell

doi:10.11949/j.issn.0438-1157.20170633

CIESC Journal ›› 2017, Vol. 68 ›› Issue (S1): 150-154.DOI: 10.11949/j.issn.0438-1157.20170633

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Water transfer between anode and cathode of dual chamber microbial fuel cell

HU Linbin^1,2, LI Jun^1,2, ZHANG Liang^1,2, YE Dingding^1,2, ZHU Xun^1,2

1. Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400030, China;
2. Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China

Received:2017-05-16 Revised:2017-05-20 Online:2017-08-31 Published:2017-08-31
Supported by:
supported by the National Natural Science Foundation for Young Scientists of China(51506017),the National Science Funds for Distinguished Young Scholar(51325602),the National High Technology Research and Development Program of China (2015AA043503-2) and the Research Cooperation Foundation for Oversea, Hong Kong and Macao Researcher(51428601).

双室微生物燃料电池阴阳极间水传递特性

胡琳彬^1,2, 李俊^1,2, 张亮^1,2, 叶丁丁^1,2, 朱恂^1,2

1. 重庆大学低品位能源利用技术及系统教育部重点实验室, 重庆 400030;
2. 重庆大学工程热物理研究所, 重庆 400030

通讯作者: 李俊,lijun@cqu.edu.cn
基金资助:
国家自然科学基金青年项目（51506017）；国家杰出青年科学基金项目（51325602）；国家高技术研究发展计划项目（2015AA043503-2）；海外及港澳学者合作研究基金项目（51428601）。

Abstract

Abstract:

Various factors affecting the water transfer between the anode and cathode of a dual chamber microbial fuel cell (DCMFC) were studied. The results showed that the amount of water transfer increased with the increase of the discharging current; With 1500 mg·L^-1 chemical oxygen demand(COD) and 50 mmol·L^-1 phosphate buffered saline in the anode,50 mmol·L^-1 K₃[Fe(CN)₆] and 50 mmol·L^-1 phosphate buffered saline in the cathode,the amount of water transport between the anode and cathode is 0.045 ml·h^-1 at a discharging current of 5 mA. In addition,the study demonstrated that the concentration difference of the PBS solution between the anode and the cathode,the thickness of the proton exchange membrane have an important influence on the amount of water transfer between the anode and the cathode in the DCMFC.

Key words: water transport, electro-osmotic drag, current intensity, power density, concentration difference

摘要：

针对双室微生物燃料电池（dual chamber microbial fuel cell，DCMFC）中的水传输现象，研究了DCMFC中水传输现象产生的原因以及影响水传输量的各种因素。结果表明，在DCMFC中，阴阳极间水传输量随着放电电流的增大而增大；当阳极液为1500 mg·L^-1化学需氧量（COD）培养基和50 mmol·L^-1磷酸缓冲盐的混合溶液、阴极液为50 mmol·L^-1 K₃[Fe（CN）₆]和50 mmol·L^-1磷酸缓冲盐的混合溶液，电池电流为5 mA时，电池阴阳极间的水传输量为0.045 ml·h^-1。此外，研究还表明，阴阳极间PBS溶液浓度差以及质子交换膜厚度对DCMFC的阴阳极间水传输量有着重要的影响。

关键词: 水传输, 电渗拖拽, 电流强度, 功率密度, 浓度差

CLC Number:

TM911.45

HU Linbin, LI Jun, ZHANG Liang, YE Dingding, ZHU Xun. Water transfer between anode and cathode of dual chamber microbial fuel cell[J]. CIESC Journal, 2017, 68(S1): 150-154.

胡琳彬, 李俊, 张亮, 叶丁丁, 朱恂. 双室微生物燃料电池阴阳极间水传递特性[J]. 化工学报, 2017, 68(S1): 150-154.

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Water transfer between anode and cathode of dual chamber microbial fuel cell

双室微生物燃料电池阴阳极间水传递特性

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