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Microbial Fuel Cells
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Microbial Fuel Cells

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: closed (31 August 2016) | Viewed by 23214

Special Issue Editor

Dr. Hong Liu

E-Mail Website
Guest Editor
Department of Biological and Ecological Engineering, Oregon State University, 116 Gilmore Hall, Corvallis, OR 97331, USA
Interests: microbial fuel cell; microbial electrolysis cell; bio-hydrogen production, bioenergy, wastewater treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Microbial fuel cells and other microbial electrochemical technologies have garnered considerable research interest over the past 15 years due to their broad application potentials in energy and chemical generation, wastewater treatment, bioremediation, and desalination. For the time being, the potential of these technologies remains unfulfilled, as scaling-up the systems has presented a significant challenge. Developing highly efficient electrode materials and catalysts, which can reduce fabrication costs, will bring the technologies a step closer to practical applications. This Special Issue aims to serve as a forum for communicating the latest findings on the design, fabrication, and evaluation of low-cost catalyst/electrode materials, as well as the impact of catalysts/electrode composition on the reaction pathways for both anode and cathode in microbial fuel cell and other microbial electrochemical technologies. Reviews, full papers, and short communications are all welcome.

Dr. Hong Liu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Microbial fuel cell
  • Microbial electrochemical cell
  • Microbial electrolysis cell
  • Microbial desalination cell
  • Hydrogen evolution
  • Oxygen reduction
  • Diffusion layer

Related Special Issue

Published Papers (3 papers)

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Research

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2119 KiB  
Article
Treatment of Oil Wastewater and Electricity Generation by Integrating Constructed Wetland with Microbial Fuel Cell
by Qiao Yang, Zhenxing Wu, Lifen Liu, Fengxiang Zhang and Shengna Liang
Materials 2016, 9(11), 885; https://doi.org/10.3390/ma9110885 - 01 Nov 2016
Cited by 38 | Viewed by 5160
Abstract
Conventional oil sewage treatment methods can achieve satisfactory removal efficiency, but energy consumption problems during the process of oil sewage treatment are worth attention. The integration of a constructed wetland reactor and a microbial fuel cell reactor (CW-MFC) to treat oil-contaminated wastewater, compared [...] Read more.
Conventional oil sewage treatment methods can achieve satisfactory removal efficiency, but energy consumption problems during the process of oil sewage treatment are worth attention. The integration of a constructed wetland reactor and a microbial fuel cell reactor (CW-MFC) to treat oil-contaminated wastewater, compared with a microbial fuel cell reactor (MFC) alone and a constructed wetland reactor (CW) alone, was explored in this research. Performances of the three reactors including chemical oxygen demand (COD), oil removal, and output voltage generation were continuously monitored. The COD removals of three reactors were between 73% and 75%, and oil removals were over 95.7%. Compared with MFC, the CW-MFC with a MnO2 modified cathode produced higher power density and output voltage. Maximum power densities of CW-MFC and MFC were 3868 mW/m3 (102 mW/m2) and 3044 mW/m3 (80 mW/m2), respectively. The plants in CW-MFC play a positive role for reactor cathode potential. Both plants and cathode modification can improve reactor performance of electricity generation. Full article
(This article belongs to the Special Issue Microbial Fuel Cells)
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2253 KiB  
Article
Electricity Recovery from Municipal Sewage Wastewater Using a Hydrogel Complex Composed of Microbially Reduced Graphene Oxide and Sludge
by Naoko Yoshida, Yasushi Miyata, Ai Mugita and Kazuki Iida
Materials 2016, 9(9), 742; https://doi.org/10.3390/ma9090742 - 31 Aug 2016
Cited by 27 | Viewed by 5713
Abstract
Graphene oxide (GO) has recently been shown to be an excellent anode substrate for exoelectrogens. This study demonstrates the applicability of GO in recovering electricity from sewage wastewater. Anaerobic incubation of sludge with GO formed a hydrogel complex that embeds microbial cells via [...] Read more.
Graphene oxide (GO) has recently been shown to be an excellent anode substrate for exoelectrogens. This study demonstrates the applicability of GO in recovering electricity from sewage wastewater. Anaerobic incubation of sludge with GO formed a hydrogel complex that embeds microbial cells via π-π stacking of microbially reduced GO. The rGO complex was electrically conductive (23 mS·cm−1) and immediately produced electricity in sewage wastewater under polarization at +200 mV vs. Ag/AgCl. Higher and more stable production of electricity was observed with rGO complexes (179–310 μA·cm−3) than with graphite felt (GF; 79–95 μA·cm−3). Electrochemical analyses revealed that this finding was attributable to the greater capacitance and smaller internal resistance of the rGO complex. Microbial community analysis showed abundances of Geobacter species in both rGO and GF complexes, whereas more diverse candidate exoelectrogens in the Desulfarculaceae family and Geothrix genus were particularly prominent in the rGO complex. Full article
(This article belongs to the Special Issue Microbial Fuel Cells)
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Review

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5937 KiB  
Review
Applications of Graphene-Modified Electrodes in Microbial Fuel Cells
by Fei Yu, Chengxian Wang and Jie Ma
Materials 2016, 9(10), 807; https://doi.org/10.3390/ma9100807 - 29 Sep 2016
Cited by 62 | Viewed by 11529
Abstract
Graphene-modified materials have captured increasing attention for energy applications due to their superior physical and chemical properties, which can significantly enhance the electricity generation performance of microbial fuel cells (MFC). In this review, several typical synthesis methods of graphene-modified electrodes, such as graphite [...] Read more.
Graphene-modified materials have captured increasing attention for energy applications due to their superior physical and chemical properties, which can significantly enhance the electricity generation performance of microbial fuel cells (MFC). In this review, several typical synthesis methods of graphene-modified electrodes, such as graphite oxide reduction methods, self-assembly methods, and chemical vapor deposition, are summarized. According to the different functions of the graphene-modified materials in the MFC anode and cathode chambers, a series of design concepts for MFC electrodes are assembled, e.g., enhancing the biocompatibility and improving the extracellular electron transfer efficiency for anode electrodes and increasing the active sites and strengthening the reduction pathway for cathode electrodes. In spite of the challenges of MFC electrodes, graphene-modified electrodes are promising for MFC development to address the reduction in efficiency brought about by organic waste by converting it into electrical energy. Full article
(This article belongs to the Special Issue Microbial Fuel Cells)
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