Microbial fuel cells equipped with an iron-plated carbon-felt anode and Shewanella oneidensis MR-1 with corn steep liquor as a fuel

Phansroy, Nichanan; Khawdas, Wichean; Watanabe, Keigo; Aso, Yoichi; Ohara, Hirotaka

doi:10.1016/j.jbiosc.2018.04.011

Cited by 6 publications

(1 citation statement)

References 27 publications

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“…1 Therefore, it is of great significance to improve the electricity production capacity of MFC to study the electron transfer mechanism of electricity-producing bacteria, select anode materials with excellent performance, analyze the effects of anode materials and surface characteristics on microbial growth and MFC output performance, and accelerate the interfacial electron transfer rate between bacterial outer membrane cytochrome c protein (OMCs) and the electrode. Due to its excellent conductivity, biocompatibility, chemical stability and low price, 2 carbon electrode has become the most widely used anode material in the field of MFC, mainly including carbon paper (CP), [3][4][5][6][7] carbon felt (CF), [8][9][10][11] carbon cloth (CC), [12][13][14][15] graphite rod, [16][17][18][19] graphite fiber brush, [20][21][22][23] reticulated vitreous carbon [24][25][26][27] and so on. Microbial fuel cell anode equipped with CC was inoculated with anaerobic activated sludge to produce electricity.…”

Section: Introductionmentioning

confidence: 99%

Performance improvement of microbial fuel cells through assembling anodes modified with nanoscale materials

Liang

Han

Yang

et al. 2022

Nanomaterials and Nanotechnology

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In microbial fuel cell (MFC), the anode is the carrier of microbial attachment and growth, and its material and surface structure play a vital role in MFC electricity generation. Therefore, anode surface optimization is an effective way to improve MFC performance. Although the power generation of bacteria has been confirmed and studied as early as the beginning of the 20th century, up to now, MFC still has the extremely challenging problem of low current and low power output in practical application. To improve the performance of MFC, several strategies have been applied to enhance the bacterial extracellular electron transfer. One promising technology is the genetic engineering approach, and some outstanding research results have been obtained. Another effective strategy is to design and fabricate a high-performance electrode because anode material is the essential factor affecting MFC performance, which provides surface active sites for microbial adhesion, reproduction and interfacial electron transfer. At present, the MFC anodes mainly include carbon-based electrodes and a variety of metal electrodes, but untreated anodes have always been unable to overcome the obstacle of low power output. Anode modification, a common and effective method, is employed for improving the power output of MFC. For this reason, this review is primarily focused on the applications of various anode materials and its nanoscale modification in the field of MFC, including the influence of different anode materials on the power output of MFC, and analyzes the reasons why anode modification enhances output performance. Furthermore, the influence of anode research on the practical application of MFC in the future is prospected.

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