A Single-Use Paper-Shaped Microbial Fuel Cell for Rapid Aqueous Biosensing

被引：17

作者：

Zuo, Kuichang ^{[1
,2
]}

Liu, Han ^{[2
]}

Zhang, Qiaoying ^{[2
]}

Liang, Peng ^{[1
]}

Huang, Xia ^{[1
]}

Vecitis, Chad D. ^{[2
]}

机构：

[1] Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China

[2] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

来源：

CHEMSUSCHEM | 2015年 / 8卷 / 12期

关键词：

biosensing; microbial fuel cells; separator; silver; single-use; OXYGEN REDUCTION; SCALING-UP; COMMUNITIES; PERFORMANCE; ELECTRICITY; MEMBRANES; ELECTRODE; PLATINUM; CATALYST; BATTERY;

D O I：

10.1002/cssc.201500258

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The traditional chamber-based microbial fuel cell (MFC) often has the disadvantages of high ohmic resistance, large volume requirements, and delayed start-up. In this study, paper-shaped MFCs utilizing a porous carbon anode, a solid Ag2O-coated carbon cathode, and a micrometer-thin porous polyvinylidene fluoride (PVDF) separator are investigated to address the classical MFC issues. The Ag2O-coated cathode has a low overpotential of 0.06V at a reducing current of 1mA compared to a Pt-air cathode. Rapid inoculation by filtration results in an instantaneous power density of 92mWm(-2) with an internal resistance of 162. Integrated current over the first 30min of operation has a linear relation with microbial concentration.

引用

页码：2035 / 2040

页数：6

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