A Single‐Use Paper‐Shaped Microbial Fuel Cell for Rapid Aqueous Biosensing | Zendy

Zuo Kuichang | Zendy; Liu Han | Zendy; Zhang Qiaoying | Zendy; Liang Peng | Zendy; Huang Xia | Zendy; Vecitis Chad D. | Zendy

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

Author(s) -

Zuo Kuichang,

Liu Han,

Zhang Qiaoying,

Liang Peng,

Huang Xia,

Vecitis Chad D.

Publication year - 2015

Publication title -

chemsuschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.412

H-Index - 157

eISSN - 1864-564X

pISSN - 1864-5631

DOI - 10.1002/cssc.201500258

Subject(s) - biosensor , microbial fuel cell , aqueous solution , fuel cells , nanotechnology , chemistry , materials science , biochemical engineering , chemical engineering , organic chemistry , engineering , electrode , anode

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 Ag 2 O‐coated carbon cathode, and a micrometer‐thin porous polyvinylidene fluoride (PVDF) separator are investigated to address the classical MFC issues. The Ag 2 O‐coated cathode has a low overpotential of 0.06 V at a reducing current of 1 mA compared to a Pt–air cathode. Rapid inoculation by filtration results in an instantaneous power density of 92 mW m −2 with an internal resistance of 162 Ω. Integrated current over the first 30 min of operation has a linear relation with microbial concentration.

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