Performance Improvement of Microbial Fuel Cells by Lactic Acid Bacteria and Anode Modification

WangMeicong,; YangZhenzhen,; XiaMucun,; FanLiping,; ZhangXuejun,; WeiShuhe,; ZouTao,

doi:10.1089/ees.2016.0110

Cited by 6 publications

(4 citation statements)

References 25 publications

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“…7 To study this critical step involving the anode, the microorganisms located their, and their mechanism of electron deposition, it is necessary to choose proper anodic materials. 8 At present, more and more choices have got to fabricate or modify the electrode of MFCs, with nanomaterials, nanocomposites, graphene sheet and graphene oxides owing to their high surface area, porosity and prompt electron conduction properties. [9][10][11][12][13] The results showed that the electrodes fabricated or modied by nonamaterials exhibited excellent electrochemical activity.…”

Section: 4-6mentioning

confidence: 99%

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Interaction of bacteria and archaea in a microbial fuel cell with ITO anode

et al. 2018

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A microbial fuel cell with an indium tin oxide (ITO) coated glass anode was used to study the mechanism of electricity generation and electron transfer of electrochemically active microbes (EAMs). A simple method of ITO anode pretreatment (pickling) was developed to improve the performance of the microbial fuel cell.After proper treatment, ITO-glass anodes maintained their conductivity with a slight increase in resistance.Using this pickling pretreatment, the ITO-glass microbial fuel cell with an anode area of only 8.3 cm 2 , was successfully initiated and obtained a stable voltage and power output of 418.8 mW m À2 . The electrode material with pretreatment showed optimal performance for the in situ study of EAMs. DNA was extracted from various parts of the reactor and the microbial communities were analyzed. The results indicated that the large proportion of methane-related microbes on the cathode of the MFC was one of the reasons for its high COD removal and low columbic efficiency. ITO glass is suitable as an anode material for the in situ study of EAMs, and shows potential for practical application.Microbial fuel cells (MFCs) are one type of "green energy generating" device that is able to convert the chemical energy of organic matter into electrical energy.1 The process of conversion from chemical energy to electrical energy takes place during wastewater treatment using MFCs. This type of device utilizes microorganisms as the biocatalyst and has attracted a great deal of attention from researchers around the world. 1-4Studies of MFCs have been mainly focused in a few specic areas: increasing the efficiency of converting organic matter into electrical energy, reducing the cost of assembling the reactors, and the mechanism of MFCs that converts chemical energy into electrical energy. 2,4-6In the rst step of energy conversion, microorganisms at the MFC anode consume organic matter from their growth medium and release electrons.7 To study this critical step involving the anode, the microorganisms located their, and their mechanism of electron deposition, it is necessary to choose proper anodic materials. 8At present, more and more choices have got to fabricate or modify the electrode of MFCs, with nanomaterials, nanocomposites, graphene sheet and graphene oxides owing to their high surface area, porosity and prompt electron conduction properties.9-13 The results showed that the electrodes fabricated or modied by nonamaterials exhibited excellent electrochemical activity. Signicant redox peaks have found in cyclic voltammograms and electricity production of the MFCs also obtained.To harvest the largest columbic efficiencies and chemical oxygen demand (COD) removal efficiencies, most MFC anodes are carbon-felt brushes with a large surface area.

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Section: 4-6mentioning

confidence: 99%

“… 7 To study this critical step involving the anode, the microorganisms located their, and their mechanism of electron deposition, it is necessary to choose proper anodic materials. 8 …”

mentioning

confidence: 99%

Interaction of bacteria and archaea in a microbial fuel cell with ITO anode

et al. 2018

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“…The maximum power density values of ITO blank, ITO/(CS/α-Fe 2 O 3 ) 4 /CS and ITO/(CS/α-Fe 2 O 3 ) 8 /CS were 0.035, 0.124 and 0.084W/m 2 , respectively. The higher roughness of ITO/(CS/α-Fe 2 O 3 ) 4 /CS resulted in higher specific surface area available for growth of bacteria [160]. Following the trend, further development of MFC engaging LAB can be expected.…”

Section: Food Additivesmentioning

confidence: 89%

Waste Degradation and Utilization by Lactic Acid Bacteria: Use of Lactic Acid Bacteria in Production of Food Additives, Bioenergy and Biogas

Новик¹,

Meerovskaya²,

Savich³

2017

Food Additives

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Lactic acid bacteria (LAB) are one of the most well-studied bacterial groups known from ancient times. These valuable microorganisms are used in numerous areas, especially food industry and medicine. LAB produce a wide range of compounds for food upgrading. Moreover, LAB can find special applications like generation of bioenergy not affecting the surrounding environment. The article considers physiological and biochemical processes determining valuable characteristics of the bacteria, potential applications of LAB and their products, especially in food industry and bioenergy sector, and discusses LAB potential contribution into solution of waste disposal problem.

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“…[180] Besides carbon cloth, indium tin oxide (ITO) electrode modified with Fe 2 O 3 nanoparticles possessed a rougher surface for a stronger adhesion of microbes and enjoyed an induced assembly of lactic acid bacteria on the conductive network. [181] Also, the hydrophobic carbon surface can be hydrophilized by coating Fe 2 O 3 due to the hydrogen bond formed between oxygen of Fe 2 O 3 and water molecules. [182] Moreover, the positively charged Fe 2 O 3 could be coated on graphene which is negatively charged, in order to overcome the electrostatic repulsion with the microorganisms, leading to a higher attachment of bacteria and a more uniform biofilm formation.…”

Section: Fe-based Carbon Compositesmentioning

confidence: 99%

Carbon‐Based Composites as Anodes for Microbial Fuel Cells: Recent Advances and Challenges

et al. 2021

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site). The relationship is demonstrated in depth between the physicochemical properties of the anode surface/interface/bulk (porosity, surface area, hydrophilicity, partical size, charge, roughness, etc.) and the bioelectrochemical performances (electron transfer, electrolyte diffusion, capacitance, toxicity, start-up time, current, power density, voltage, etc.). An outlook for future work is also proposed.

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Performance Improvement of Microbial Fuel Cells by Lactic Acid Bacteria and Anode Modification

Cited by 6 publications

References 25 publications

Interaction of bacteria and archaea in a microbial fuel cell with ITO anode

Interaction of bacteria and archaea in a microbial fuel cell with ITO anode

Waste Degradation and Utilization by Lactic Acid Bacteria: Use of Lactic Acid Bacteria in Production of Food Additives, Bioenergy and Biogas

Carbon‐Based Composites as Anodes for Microbial Fuel Cells: Recent Advances and Challenges

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