Polyaniline-MXene-coated carbon cloth as an anode for microbial fuel cells

Jiang, Demin; Zhu, Chenyi; He, Yejun; Xing, Chengcheng; Xie, Kun; Xu, Yan; Wang, Yuqiao

doi:10.1007/s10008-022-05255-2

Cited by 19 publications

(4 citation statements)

References 25 publications

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“…Additionally, the power density of the hydrogels, was higher than previously reported (Fig. 6c), such as PPy/AQDS [37], PPy-CS-CNT [38], CDs/PPy-NW [39], PANI-MXene [17]. These results indicate that the carbon cloth modi ed by PPy-CMC-MXene hydrogel can improve the voltage output of MFC.…”

Section: Performance Of Mfcs Equipped With Prepared Anodesmentioning

confidence: 44%

“…Examples of these materials include carbon cloth (CC), carbon paper, and carbon felts. Nonetheless, the application of carbon-based materials as anode materials in MFCs is signi cantly restricted by their inadequate conductive performance and weak bio lm adhesion [17]. In order to improve the power production performance of MFCs, researchers are currently concentrating on altering carbon-based materials to improve bacterial adhesion and the e ciency of extracellular electron transfer [18,19].…”

Section: Introductionmentioning

confidence: 99%

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Biomass-derived 3D hydrogel bioanode for improved EET processes and COD removal efficiency

He,

Tan,

Hou

et al. 2024

Preprint

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Microbial fuel cells (MFCs) have garnered significant attention in power generation and wastewater treatment fields. Current MFCs have relatively low power density due to limited biofilm colonization and sluggish extracellular electron transfer (EET) processes. Here, a hybrid hydrogel (PPy-CMC-MXene) was prepared by doping MXene with an inexpensive and readily available biomass source carboxymethyl cellulose and polypyrrole. The MFC equipped with the PPy-CMC-MXene/CC anode exhibited a 2-, 30-, 59-, and 4.8-fold power density, specific capacitance, electron transfer efficiency, and coulombic efficiency, respectively, relative to the original carbon cloth (CC) anode. More notably, the MFC equipped with the PPy-CMC-MXene/CC anode had an excellent chemical oxygen demand (COD) removal efficiency of 89.2%. It was shown that the PPy-CMC-MXene/CC electrode offered good biocompatibility and was beneficial to the enrichment of Proteobacteria and Acinetobacter. The anode material has some application prospects in water treatment and the adsorption of electricity-producing bacteria.

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Section: Performance Of Mfcs Equipped With Prepared Anodesmentioning

confidence: 44%

Section: Introductionmentioning

confidence: 99%

Biomass-derived 3D hydrogel bioanode for improved EET processes and COD removal efficiency

He,

Tan,

Hou

et al. 2024

Preprint

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“…Polyaniline (PAni) is one of the most studied polymers from the conjugated polymer class due to its ease of synthesis by chemical and electrochemical methods [1,2], good environmental stability [1], and electrochromism [3,4]. The remarkable properties of PAni make this polymer of great interest in applications such as light-emitting diodes (LEDs), rechargeable batteries [5,6], supercapacitors [7,8], solar cells [9,10], and, in the last few years, fuel cells [11,12].…”

Section: Introductionmentioning

confidence: 99%

Plasma-Polymerized Aniline–Diphenylamine Thin Film Semiconductors

2022

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Semiconducting polymer thin films were grown by a DC plasma-polymerized technique using a mixture of aniline–diphenylamine as a precursor. FT-IR spectra were taken in order to analyze the structural properties of the resulting polymers. From morphological and structural studies performed by transmission electron microscope (TEM) and X-ray diffraction, an organized structure in plasma polymer thin films was distinguished. I–V characteristics in an asymmetric electrode configuration were studied to determine the conduction mechanism. It was found that the conduction mechanism controlled by SCLC is dominant in plasma-polymerized aniline–diphenylamine (PPAni-PDPA) thin films.

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“…CPs modified MXene is commonly used to improve the efficiency of MFCs and have very good results, which is a promising technology. 16,17 In this work, the formaldehyde in water was treated by MFC loading composite anode M-Co 3 O 4 -PEDOT-GF, and the degradation and electricity generation properties of MFCs were tested. Besides, the bacterial communities on the M-Co 3 O 4 -PEDOT-GF anode and bare GF anode were analyzed.…”

mentioning

confidence: 99%

High-Efficiency Degradation of Formaldehyde and Bioelectricity Generation by Microbial Fuel Cell

Gao,

Xue,

Wang

et al. 2023

J. Electrochem. Soc.

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Formaldehyde is a common organic pollutant in water with teratogenic and carcinogenic effects. This study reports that 200 mg/L formaldehyde in water can be effectively degraded with generating electricity by using microbial fuel cell (MFC) technology. A novel composite anode M-Co3O4-PEDOT-GF was prepared by modifying Co3O4 nanoparticles (M-Co3O4) derived from ZIF-67 and poly (3,4-ethylenedioxythiophene) (PEDOT) on the surface of Graphite felt (GF) . The results showed that the MFC loading M-Co3O4-PEDOT-GF anode exhibited excellent electricity generation performance and formaldehyde degradation. The maximum voltage of the MFC was 549 mV, 46.0% increase than that of GF anode (376 mV), and higher than N-Co3O4-PEDOT-GF anode (488 mV) modified with commercial Co3O4 (N-Co3O4). The maximum power density of the MFC loading composite anode was 4177 mW/m2, while that of MFC loading bare GF anode was 1562 mW/m2. The dominant microorganisms were Pseudomonadales and Rhizobiales at the order level. The removal efficiency of formaldehyde by MFC loading M-Co3O4-PEDOT-GF anode was 89.2% in 152 h. The high efficiency of formaldehyde degradation was still maintained after 10 cycles. The results could be attributed to the composite anode with loose porous three-dimensional structure and good biological compatibility of PEDOT.

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Polyaniline-MXene-coated carbon cloth as an anode for microbial fuel cells

Cited by 19 publications

References 25 publications

Biomass-derived 3D hydrogel bioanode for improved EET processes and COD removal efficiency

Biomass-derived 3D hydrogel bioanode for improved EET processes and COD removal efficiency

Plasma-Polymerized Aniline–Diphenylamine Thin Film Semiconductors

High-Efficiency Degradation of Formaldehyde and Bioelectricity Generation by Microbial Fuel Cell

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