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6.3
3.9
Journals
Catalysts
Special Issues
Microbial Fuel Cells
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Microbial Fuel Cells

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (31 August 2016)

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. Catalysts is an international peer-reviewed open access monthly 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 2700 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

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Published Papers (2 papers)

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Research

1973 KiB  
Article
Natural Hematite as a Low-Cost and Earth-Abundant Cathode Material for Performance Improvement of Microbial Fuel Cells
by Guiping Ren, Hongrui Ding, Yan Li and Anhuai Lu
Catalysts 2016, 6(10), 157; https://doi.org/10.3390/catal6100157 - 14 Oct 2016
Cited by 18 | Viewed by 5759
Abstract
Developing cheap electrocatalysts for cathodic oxygen reduction in neutral medium is a key factor for practical applications of microbial fuel cells (MFCs). Natural hematite was investigated as a low-cost cathode to improve the performance of microbial fuel cells (MFCs). With hematite-coated cathode, the [...] Read more.
Developing cheap electrocatalysts for cathodic oxygen reduction in neutral medium is a key factor for practical applications of microbial fuel cells (MFCs). Natural hematite was investigated as a low-cost cathode to improve the performance of microbial fuel cells (MFCs). With hematite-coated cathode, the cell current density stabilized at 330.66 ± 3.1 mA·m−2 (with a 1000 Ω load) over 10 days under near-neutral conditions. The maximum power density of MFC with hematite cathode reached to 144.4 ± 7.5 mW·m−2, which was 2.2 times that of with graphite cathode (64.8 ± 5.2 mW·m−2). X-ray diffraction (XRD), Raman, electrode potential analysis, and cyclic voltammetry (CV) revealed that hematite maintained the electrode activities due to the stable existence of Fe(II)/Fe(III) in mineral structure. Electrochemical impedance spectroscopy (EIS) results indicated that the cathodic electron transfer dynamics was significantly improved by using hematite to lower the cathodic overpotential. Therefore, this low-cost and earth-abundant natural mineral is promised as an effective cathode material with potential large-field applications of MFCs in future. Full article
(This article belongs to the Special Issue Microbial Fuel Cells)
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2739 KiB  
Article
Preparation of Pt–Ru/C as an Oxygen-Reduction Electrocatalyst in Microbial Fuel Cells for Wastewater Treatment
by Gaixiu Yang, Yongming Sun, Pengmei Lv, Feng Zhen, Xinyue Cao, Xiaojie Chen, Zhongming Wang, Zhenhong Yuan and Xiaoying Kong
Catalysts 2016, 6(10), 150; https://doi.org/10.3390/catal6100150 - 26 Sep 2016
Cited by 13 | Viewed by 6355
Abstract
Carbon-supported Pt–Ru alloys with a Pt/Ru ratio of 1:1 were prepared by NaBH4 reduction at room temperature. X-ray diffraction (XRD) measurements indicate that the as-prepared Pt–Ru nanoparticles had a face-centered cubic (fcc) structure. X-ray photoelectron spectroscopy (XPS) analyses demonstrate that alloying with [...] Read more.
Carbon-supported Pt–Ru alloys with a Pt/Ru ratio of 1:1 were prepared by NaBH4 reduction at room temperature. X-ray diffraction (XRD) measurements indicate that the as-prepared Pt–Ru nanoparticles had a face-centered cubic (fcc) structure. X-ray photoelectron spectroscopy (XPS) analyses demonstrate that alloying with Ru can decrease the 4f electron density of Pt, which results in a positive binding energy shift of 0.2 eV for the Pt 4f peaks. The catalytic properties of the synthesized Pt–Ru alloy catalysts were compared with those of commercial Pt/C catalysts by linear sweep voltammetry (LSV). The results show that the mass activity of the oxygen reduction reaction (ORR) is enhanced by 2.3 times as much mass activity of Pt relative to the commercial Pt/C catalyst. Single-chambered microbial fuel cell tests also confirm that the Pt–Ru alloys as cathode catalysts have better performance than that of commercial Pt/C catalysts. Full article
(This article belongs to the Special Issue Microbial Fuel Cells)
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