Porous polymer derived ceramic (PDC)-montmorillonite-H3PMo12O40/SiO2 composite membranes for microbial fuel cell (MFC) application

Ahilan, Vignesh; Wilhelm, Michaela; Rezwan, Kurosch

doi:10.1016/j.ceramint.2018.07.138

Cited by 35 publications

(14 citation statements)

References 53 publications

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“…On the other hand, higher silica content can induce membrane swelling and water permeability through the membrane, which might have facilitated the diffusion of oxygen. In a previous investigation, the k o value of a polymer-driven composite membrane was reported to be 5.62 Â 10 À4 cm/s (Ahilan et al 2018), which is comparable to the current study. Among all the membranes examined, S 30 exhibited a comparatively lower oxygen mass transfer coefficient of 7.62 Â 10 À4 cm/s, whereas the control separator without any silica showed 1.5 times higher oxygen mass transfer coefficient.…”

Section: Oxygen Diffusionsupporting

confidence: 90%

Application of clayware ceramic separator modified with silica in microbial fuel cell for bioelectricity generation during rice mill wastewater treatment

Raychaudhuri¹,

Sahoo²,

Behera³

2021

Water Science and Technology

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Ceramic separators have recently been investigated as low-cost, robust, and sustainable separators for application in microbial fuel cells (MFC). In the present study, an attempt has been made to develop a low-cost MFC employing a clayware ceramic separator modified with silica. The properties of separators with varying silica content (10%–40% w/w) were evaluated in terms of oxygen and proton diffusion. The membrane containing 30% silica exhibited improved performance compared to the unmodified membrane. Two identical MFCs, fabricated using ceramic separators with 30% silica content (MFCS-30) and without silica (MFCC), were operated at hydraulic retention time (HRT) of 12 h with real rice mill wastewater having chemical oxygen demand (COD) of 3,200 ± 50 mg/L. The maximum volumetric power density of 791.72 mW/m3 and coulombic efficiency of 35.77% was obtained in MFCS-30, which was 60.4% and 48.5%, respectively, higher than that of MFCC. The maximum COD and phenol removal efficiency of 76.2% and 58.2%, respectively, were obtained in MFCS-30. MFC fabricated with modified ceramic separator demonstrated higher power generation and pollutant removal. The presence of hygroscopic silica in the ceramic separator has improved its performance in terms of hydration properties and proton transport.

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Section: Oxygen Diffusionsupporting

confidence: 90%

Application of clayware ceramic separator modified with silica in microbial fuel cell for bioelectricity generation during rice mill wastewater treatment

Raychaudhuri¹,

Sahoo²,

Behera³

2021

Water Science and Technology

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“…s − 1 for membranes with pore size around 260 nm, which is very similar to that observed for Nafion. Their results support the potential application of these low cost modified ceramic membranes as MFC separators [22] .…”

Section: Introductionsupporting

confidence: 69%

“…According to this approach, Ahilan et al. (2018) studied the effect of different proton-conducting fillers such as montmorillonite and H 3 PMo 12 O 40 /SiO 2 (PMA) and the pyrolysis temperature on the properties of PDC-based membranes [22] . Their work reported that ionic exchange capacity and cation transport number of the PDC membrane containing 10 wt.% of montmorillonite and 10 wt.% of PMA, and fired at 400 °C were 67% and 68% higher than commercial Nafion, respectively.…”

Section: Introductionmentioning

confidence: 99%

Effect of iron oxide content and microstructural porosity on the performance of ceramic membranes as microbial fuel cell separators

Salar-García

Walter

Gurauskis

et al. 2021

Electrochimica Acta

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Highlights Suitable bioelectrochemical application of ceramic clays with varying Fe2O3 content. 5.75% of Fe2O3 and 1100 °C of sintering temperature allow MFCs to reach 1.045 mW. The Fe2O3 content mitigates the effect of porosity features on the MFC power output. Good stability of the MFCs working during 65 days in continuous mode.

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“…48 In proton exchange composite membrane of microbial fuel cell, the utilization of polymer-derived ceramic (PDC) as the matrix was one of the promising initiatives. Ahilan et al 177 reported polysiloxane modified with MMT and H 3 PMo 12 O 40 /SiO 2 as proton-conducting fillers obtained 0.6072 mequiv/g ionic exchange capacity (IEC), 0.6988 cation transport numbers and 5.62 × 10 −4 cm/s oxygen mass transfer coefficient. Functionalization on MMT could also lead to a better composite membrane emergence.…”

Section: Pem-based With Montmorillonite As a Conductive Fillermentioning

confidence: 99%

Carbon nanotube, graphene oxide and montmorillonite as conductive fillers in polymer electrolyte membrane for fuel cell: an overview

2020

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Summary This study discusses three conductive materials—carbon nanotube, graphene oxide, and montmorillonite which recently being used as fillers in membranes of fuel cell application and commonly hybridized with polymers as the matrix. The polymer electrolyte membrane fuel cell (PEMFC) is using a polymer‐based membrane as the electrolyte, which might require filler or functionalization to enhance their cell performance. This review provides brief information for the researcher who insists on improving the current PEM using these potential fillers, specified with required values of membrane properties measurement. It also entails the special features of the nanofillers concerning their chemical structure and electrochemical properties based on recent studies. As electricity is generated from an external fuel source, the membranes that are used should be more than 0.1 S/cm of proton conductivity, low fuel permeability (< 1.37 x 10−6 cm2/s), cheap, and high stability in dry and wet condition. PEM is widely being utilized together with filler(s) incorporated as a purpose to overcome recent drawbacks encountered by the commercial Nafion membrane solely. Hence, the fillers embedded in the membrane are necessarily to have the promising characteristics, acknowledging the potential performances of three conductive nanofillers of (a) carbon nanotubes which is well‐known of its electrical conducting potential with three cylindrical design, (b) graphene oxide which is a reactive carbonaceous material with its multifunctional groups and (c) montmorillonite which is one of the clay types that has tetrahedral and octahedral layers of alumina‐silicates for producing better hybrid polymer electrolyte membrane. Highlights Carbon nanotube, graphene oxide, and montmorillonite are highly promising conductive fillers with outstanding cell performances based on previous studies. Carbon nanotube, graphene oxide, and montmorillonite are chosen as incorporated fillers recently due to their rolling up direction (chirality vector of graphene sheet), reactive functional groups attached on the carbon atoms and ionic multilayers of the tetrahedral and octahedral sheet, respectively. High proton conductivity, low electronic conductivity, low fuel permeability, low water transport, low production cost, and high mechanical stability in both dry and wet condition are properties that should be portrayed by a good hybrid membrane.

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Porous polymer derived ceramic (PDC)-montmorillonite-H3PMo12O40/SiO2 composite membranes for microbial fuel cell (MFC) application

Cited by 35 publications

References 53 publications

Application of clayware ceramic separator modified with silica in microbial fuel cell for bioelectricity generation during rice mill wastewater treatment

Application of clayware ceramic separator modified with silica in microbial fuel cell for bioelectricity generation during rice mill wastewater treatment

Effect of iron oxide content and microstructural porosity on the performance of ceramic membranes as microbial fuel cell separators

Carbon nanotube, graphene oxide and montmorillonite as conductive fillers in polymer electrolyte membrane for fuel cell: an overview

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