Effect of silver incorporated sulphonated poly ether ether ketone membranes on microbial fuel cell performance and microbial community analysis

Kugarajah, Vaidhegi; Dharmalingam, Sangeetha

doi:10.1016/j.cej.2021.128961

Cited by 34 publications

(7 citation statements)

References 68 publications

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“…In one study silver ions were added to SPEEK solution and then cast into membranes. [ 158 ] The presence of silver ions not only slowed down the biofilm formation but also lowered the oxygen crossover by forming stable silver oxides with the incoming oxygen. This in turn, helped maintain better anaerobic conditions for the anodic bacteria, which ultimately resulted in reduced biofouling as well as increased power output.…”

Section: Fouling In Pemsmentioning

confidence: 99%

Next‐Generation Proton‐Exchange Membranes in Microbial Fuel Cells: Overcoming Nafion's Limitations

Sharma,

Đelević,

Herkendell

2024

Energy Tech

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The adoption of microbial fuel cell (MFC) technology hinges on the development of efficient proton‐exchange membranes (PEMs), which significantly influences fuel cell performance and cost. PEMs have a critical role in preventing oxygen crossover, maintaining electrochemical neutrality, and supporting microorganisms within MFCs. Nafion, the current industry‐standard PEM, grapples with environmental, cost, and performance issues. Although improvements to Nafion have been reported using additives, immersion in heteropolyacids, different pretreatment methods, and UV irradiation, many of the challenges still remain. Herein, the recent developments in the area of alternative PEMs are reviewed and analyzed. Among them, sulfonated aromatic hydrocarbons, particularly sulfonated polyether ether ketone, have emerged as top contenders in terms of scale up and commercial viability. At the same time, membranes based on polyvinyl alcohol, ionic liquids, and natural materials are also being actively researched for various MFC applications. Since most studies are short term and lab scale, there is a need evaluate long‐term stability and economic cost of PEMs in terms of standardized parameters such as power‐to‐cost and normalized energy recovery. Additionally, for emerging low‐energy‐density MFC applications like biosensors and in vivo power sources, PEM properties and design need to be tailored carefully.

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Section: Fouling In Pemsmentioning

confidence: 99%

Next‐Generation Proton‐Exchange Membranes in Microbial Fuel Cells: Overcoming Nafion's Limitations

Sharma,

Đelević,

Herkendell

2024

Energy Tech

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“…Membrane modification refers to modifying the existing FO membrane by certain means, so as to prepare the membrane with lower membrane fouling, higher flux, and better selectivity. Many studies have shown that silver nanoparticle (nAg)-modified FO membrane has a good effect on inhibiting biofouling. − In addition, Lu et al showed that the nAg-modified membrane also had a certain effect on the inhibition of RSF . They loaded nAg onto the surface of FO films and applied it to OsMFCs.…”

Section: Inhibition Of Rsf In Osmfcsmentioning

confidence: 99%

Inhibition Strategies of Reverse Solute Flux in Osmotic Microbial Fuel Cells: Take Forward Osmosis as Reference

Duan

Zhang

et al. 2023

ACS EST Water

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The osmotic microbial fuel cell (OsMFC) is formed by combining forward osmosis (FO) and microbial fuel cells (MFC). Its excellent performance undoubtedly provided a new research direction for the application of FO and MFCs. However, the reverse solute flux (RSF) in FO also follows. RSF will cause a series of negative effects such as loss of draw solutions, decrease of water flux, and electricity generation. Therefore, inhibition of RSF is very necessary for the practical application of OsMFCs. Currently, there are much research and related reviews on RSF inhibition in FO but few studies on OsMFCs. To provide some new ideas for the inhibition of RSF in OsMFCs, we focused on three aspects: operating conditions, draw solutions, and FO membranes. Existing studies have demonstrated that some strategies are effective in OsMFC, including inhibitory effect of current generation, conventional inorganic draw solutions, membrane materials and orientation, and modified membranes. But there are many more strategies available. Using FO as a reference, strategies such as pressure-assisted osmosis and temperature control may be feasible and need to be investigated further. In the future, the inhibition or utilization of RSF can further improve the reactor performance and promote the early practical application of OsMFCs.

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“…Studies such as these prove that a composite membrane with a suitable f-TiO 2 concentration could function effectively. Some other metals, such as silver, [86] iron, [87] palladium, [88] and even metalloid silicon [89] have also been reported in the fabrication of composite membranes for MFC. Suhalim et al, [90] in a recent review, have detailed the potential of silver in polymer blended composite membranes; the listed benefits include antifouling, antibacterial, modifiable hydrophobicity and wettability, increased permeability of the water flux; increasing the Ag concentrate, improved membrane porosity and pore size.…”

Section: Metal/metal Oxide-polymer Compositesmentioning

confidence: 99%

“…Suhalim et al, [90] in a recent review, have detailed the potential of silver in polymer blended composite membranes; the listed benefits include antifouling, antibacterial, modifiable hydrophobicity and wettability, increased permeability of the water flux; increasing the Ag concentrate, improved membrane porosity and pore size. Kugarajah and Dharmalingam [86] fabricated a CM using different concentrations of Ag as an additive in Sulphonated Poly Ether Ether Ketone (SPEEK). The authors reported that three months of tubular MFC operation showed the highest maximum power density of 156 � 0.5 mW m À 2 when using SPEEK + 7.5 wt% Ag membrane.…”

Section: Metal/metal Oxide-polymer Compositesmentioning

confidence: 99%

Recent Advances in the Development of Sustainable Composite Materials used as Membranes in Microbial Fuel Cells

James,

Velayudhaperumal Chellam

2023

The Chemical Record

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MFC can have dual functions; they can generate electricity from industrial and domestic effluents while purifying wastewater. Most MFC designs comprise a membrane which physically separates the cathode and anode compartments while keeping them electrically connected, playing a significant role in its efficiency. Popular commercial membranes such as Nafion, Hyflon and Zifron have excellent ionic conductivity, but have several drawbacks, mainly their prohibitive cost and non‐biodegradability, preventing the large‐scale application of MFC. Fabrication of composite materials that can function better at a much lower cost while also being environment‐friendly has been the endeavor of few researchers over the past years. The current review aims to apprise readers of the latest trends of the past decade in fabricating composite membranes (CM) for MFC. For emphasis on environmental‐friendly CM, the review begins with biopolymers, moving on to the carbon‐polymer, polymer‐polymer, and metal‐polymer CM. Lastly, critical analysis towards technology‐oriented propositions and realistic future directives in terms of strengths, weakness, opportunities, challenges (SWOC analysis) of the application of CM in MFC have been discussed for their possible large‐scale use. The focus of this review is the development of hybrid materials as membranes for fuel cells, while underscoring the need for environment‐friendly composites and processes.

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Effect of silver incorporated sulphonated poly ether ether ketone membranes on microbial fuel cell performance and microbial community analysis

Cited by 34 publications

References 68 publications

Next‐Generation Proton‐Exchange Membranes in Microbial Fuel Cells: Overcoming Nafion's Limitations

Next‐Generation Proton‐Exchange Membranes in Microbial Fuel Cells: Overcoming Nafion's Limitations

Inhibition Strategies of Reverse Solute Flux in Osmotic Microbial Fuel Cells: Take Forward Osmosis as Reference

Recent Advances in the Development of Sustainable Composite Materials used as Membranes in Microbial Fuel Cells

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