Guangyin Zhen, Xueqin Lü, Hiroyuki Kato et al.

Renewable and Sustainable Energy Reviews • 2016

Jie Wang, Bin Li, Shuping Wang et al.

Journal of Cleaner Production • 2022

Ruijun Lan, Feng Han, Yanqiu Lu et al.

Journal of environmental chemical engineering • 2025

Shaik Nazia, Veeriah Jegatheesan, Suresh K. Bhargava et al.

Journal of Environmental Engineering • 2020

Microbial fuel cell (MFC) is an eco-friendly energy source that generates electricity by degrading natural wastes through bacterial activity. The electrolyte that is sandwiched between the electrodes for the separation and transportation of protons is a critical component of the MFC system. Currently available membranes used as electrolytes to transport protons are expensive and exhibit high oxygen crossover with low mechanical and chemical stability, which make the commercialization of MFC difficult. Therefore, in this study, we synthesized a cost-effective ionically-crosslinked nanocomposite membrane made up of cationic aniline-treated polysulfone (APSf) doped with anionic sulfonated multiwalled carbon nanotube (SMWCNT) to lower the oxygen crossover and enhance the chemical, tensile, and thermal stabilities. The impact of the incorporation of SMWCNT on oxygen diffusivity of the synthesized membrane was evaluated by molecular dynamics (MD) simulation. Polysulfone is a material that conducts protons but has low ion exchange power and electrons are produced to a marginally lesser extent than in case other membranes. However, when aniline is used as a crosslinking agent in the polysulfone polymer solution to produce APSf membrane, the material becomes electron driven, which results in a functional bearing unit that can engage in hydrogen bonding interactions. The APSf/SMWCNT membrane containing 1% by weight of carbon nanotubes provided a maximum power density of 304.2 mW/m2 with substantially high columbic efficiency (17%) and considerable removal of chemical oxygen demand (COD) (82%) as compared to Nafion 117 or APSf incorporated with 0.5% by weight nanotubes. The APSf/SMWCNT (1% by weight) membrane also exhibited high ion exchange capacity (1.6 meq.g−1) as well as proton conductivity (0.19 Scm−1). The low oxygen diffusivity of APSf/SMWCNT membrane (8.3×10−8 cm2s−1) obtained from MD simulation compared to plain APSf (8.16×10−7 cm2s−1) and Nafion 117 (6.5×10−7 cm2s−1) are good indications of its potential in MFC application. These results indicate that the membranes synthesized in this study play a crucial role in the performance of MFCs and could be inexpensive alternatives to existing commercial membranes for MFC-based treatment of domestic and industrial wastewater.

Yudong Zhang, Jun Li, Wei Yang et al.

Electrochimica Acta • 2020

Brahmari H. Shetty, Ashok K. Sundramoorthy, Jayshree Annamalai et al.

Journal of Nanomaterials • 2022

We report the fabrication of cost‐effective, biocompatible, and high‐performance anode made of nickel foam (NF) modified with magnesium cobalt oxide (MgCoO 2 ) and poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) as active components. Modified electrodes were prepared upon addition of each component to NF which formed PEDOT:PSS@NF, MgCoO 2 @NF, and MgCoO 2 /PEDOT:PSS@NF. These electrodes were compared for their electrocatalytic activity in dual‐chambered microbial fuel cells (MFCs). Sewage wastewater was used as feed stock while exoelectrogenic microbes present in wastewater served to generate bioelectricity upon utilizing organic waste and glucose as an electron donor. The maximum power and current density values were found to be 494 mWm −2 and 900 mA m −2 using MgCoO 2 /PEDOT:PSS@NF anode. It was ~2.5 times higher than that of unmodified NF anode. Electrochemical impedance spectroscopy (EIS) analysis exhibited reduction in charge transfer resistance for MgCoO 2 /PEDOT:PSS@NF anode (25.26 Ω ) compared to the unmodified NF anode (61.34 Ω). Thus, with the enhanced electrocatalytic activity and biocompatibility, MgCoO 2 /PEDOT:PSS@NF anode offered better stability and porosity for dense biofilm formation which helped in the efficient generation of bioelectricity.

Ming Zhong, Chao Ren, Dezhi Fang et al.

Journal of Electroanalytical Chemistry • 2020

Mustapha Omenesa Idris, Mohamad Nasir Mohamad Ibrahim, Nur Asshifa Md Noh et al.

Fuel • 2024

Jiali Yan, Mingchuan Zhang, Xi Chen et al.

Process Biochemistry • 2024

Kai‐Bo Pu, Kai Zhang, Kun Guo et al.

Electrochimica Acta • 2021

Yan Wang, Peng Liu, Ruoxuan Li et al.

Journal of Power Sources • 2025

Shiguang Zhuang, Baitao Li, Xiujun Wang

Environmental Research • 2022

Fangming Hu, Zhenghui Qiu, Zhaoqi Zhang et al.

Journal of environmental chemical engineering • 2022

Amit Chaturvedi, Patit Paban Kundu

ACS Applied Materials & Interfaces • 2022

High-performance cobalt (Co) nanoparticles supported on a zeolite-graphene oxide (1:2) matrix (catalyst Z 2 ) are synthesized through a facile reduction method. In multipoint Brunauer-Emmett-Teller (MBET) surface area analysis, catalyst Z 2 demonstrates a higher surface area compared with other synthesized catalysts, indicating the presence of a larger number of catalytic active sites, and supports outstanding ORR performance due to an improved electron-transfer rate and a higher number of redox-active sites. Furthermore, it is observed that catalyst Z 2 is an excellent electrocatalytic material due to its low charge-transfer resistance and higher oxygen reduction reaction (ORR) activity. Herein, the electrocatalytic investigation suggests that catalyst Z 2 at a potential of 483 mV and a reduction current of -0.382 mA displays a higher electrocatalytic performance and higher stability toward ORR compared with other synthesized catalysts and even the standard Pt/C catalyst. Also, when catalyst Z 2 is applied as an air-cathode ORR electrocatalyst for a single-chambered microbial fuel cell (SC-MFC), the SC-MFC coated with catalyst Z 2 generates the maximum power density of 416.78 mW/m 2 , which is 306% higher than that of SC-MFC coated with Pt/C (102.67 mW/m 2 ). In fact, the longer stability and electronic conductivity have contributed to an outstanding ORR activity of the nanocomposite due to its porous surface morphology and the presence of the functional groups in the zeolite-GO support matrix. In brief, Co (cobalt) nanoparticles doped on a zeolite-GO (1:2) support matrix are promising cathode electrocatalysts in the practical application of MFCs and other related devices.

Jiali Yan, Mingchuan Zhang, Xi Chen et al.

Journal of environmental chemical engineering • 2024

Bolong Liang, Xueli Zhang, Ming Zhong et al.

Journal of Power Sources • 2021

Preetha Chandraserkharan Meenu, Bhuvanendran Revamma Sreelekshmy, Rubina Basheer et al.

ACS Applied Bio Materials • 2018

The present paper reports for the first time the construction of a sugar cane bagasse-mediated double-chambered microbial fuel cell (MFC), consisting of a novel bioanode of an iron/titanium Ni-P composite. This anode could facilitate uninterrupted extracellular electron transfer (EET) from bacteria (mixed culture). The Ni-P composite anode had a significant corrosion resistance and enhanced electrocatalytic activity. The corrosion rate was reduced to 0.187 mmpy, which was 3 times less than that of the noncomposite anode. A steady decrease in internal resistance from 3.84 × 10 3 Ω to 2.94 × 10 2 Ω was achieved with the incorporation of the iron/titanium-based composite on the anode surface. The presence of Fe (III) ion centers in the composite surface favored electroactive biofilm formation and enhanced the capacitive nature of the anode, thereby accelerating EET. The constructed MFC showed an internal resistance as low as 1.12 × 10 -2 Ω in comparison with the control MFC. This led to a very high power density of ∼2.1 W/m 2 , which was 20% higher than that of the control MFC, while a stacked MFC obtained a maximum open-circuit potential of 3.2 V with power density and current density outputs of 6.3 W/m 2 and 2.7 mA/m 2 , respectively. Even though an extensive amount of literature is available in this field, this report is the first of its kind because it includes such a simple reproducible system that can be extended to other similar systems.

Xin Sun, Xiaoshuai Wu, Zhuanzhuan Shi et al.

SSRN Electronic Journal • 2021

Rui Wang, Hong You, Binghan Xie et al.

The Science of The Total Environment • 2023

Senthilkumar Nangan, Md. Abdul Aziz, Mehboobali Pannipara et al.

Bioprocess and Biosystems Engineering • 2019

Chao Zhao, Hongwei Chen, Yangfan Song et al.

Water Research • 2023

Haoliang Wu, Hao Tan, Luye Chen et al.

Chinese Chemical Letters • 2020

Yuyan Zhang, Pei Tian, Kexun Li et al.

Journal of Power Sources • 2018

Meng Xu, Ling Wu, Meiwen Zhu et al.

Carbon • 2022

Lei Chen, Peng Zhang, Weitao Shang et al.

Bioelectrochemistry • 2018

Kengqiang Zhong, Xun Lu, Yi Dai et al.

Electrochimica Acta • 2019

Rajneesh Verma, Indrajit Chakraborty, Shamik Chowdhury et al.

ACS Sustainable Chemistry & Engineering • 2020

Microbial fuel cells (MFCs) are receiving considerable attention for generating clean and sustainable electrical energy directly from wastewater. The development of highly efficient, durable, and inexpensive oxygen reduction electrocatalysts is vital to the fabrication of commercially viable MFCs. Herein, nitrogen (N) and sulfur (S) codoped graphene aerogels (NSGAs) were synthesized hydrothermally via an environmentally benign method, and their application potential as electrocatalysts for the oxygen reduction reaction (ORR) in double-chamber MFCs was systematically evaluated. The NSGAs displayed outstanding electrocatalytic activity for ORR in both cyclic voltammogram experiments and electrochemical impedance spectroscopy measurements. Further, when applied as cathodes in MFCs, the NSGAs could deliver a maximum volumetric power density of up to 13.78 ± 0.43 W m–3, which was nearly two times higher than that of the conventional platinum/carbon catalyst (7.01 ± 0.36 W m–3). The impressive electrocatalytic performance of the NSGAs can be attributed to their interconnected porosity, and the presence of N and S elements with diverse bonding states in their two-dimensional nanoscale building blocks. The outcome of this investigation lays out an important research direction for the development of the next generation of robust metal-free ORR electrocatalysts for application in MFCs and related devices.

Xu Pan, Wenjing Wang, Ye Chen et al.

Biochemical Engineering Journal • 2022

N. Senthilkumar, Mehboobali Pannipara, Abdullah G. Al‐Sehemi et al.

New Journal of Chemistry • 2019

The competitive and hopeful route is endowed to convert wastes into profitable products by generating green energy from wastewater using PEDOT/NiFe 2 O 4 nanostructures on the biomass-derived electrode as anode in microbial fuel cells.

Jianting Liu, Changshun Chu, Liling Wei et al.

Biosensors and Bioelectronics • 2022

Ting Zhao, Zhenghui Qiu, Yu Zhang et al.

Journal of environmental chemical engineering • 2021

Tao Yin, Hui Zhang, Guoqiang Yang et al.

Synthetic Metals • 2019

Hend Omar Mohamed, M. Obaid, Enas Taha Sayed et al.

Chemical Engineering & Technology • 2017

Abstract Graphite paper is introduced as efficient and low‐cost anode in an air‐cathode microbial fuel cell (MFC) for simultaneous wastewater treatment and power generation using real food wastewater. Graphite paper as the cheapest investigated material provided the best electrochemical results in an MFC with an excellent open cell voltage. The significantly increased power generation could be attributed to the large surface area of the anode, leading to enhanced bacterial attachment on the graphite anode surface. Regarding wastewater treatment, the graphite anode exhibited the highest removal of organic pollutants and the highest coulombic efficiency. It shows an excellent efficiency as a bio‐anode in the air‐MFC for producing electricity and treating industrial wastewaters without requiring external mediators.

Meizhen Li, Suqin Ci, Yichun Ding et al.

Sustainable Energy & Fuels • 2019

The biomass of almond shells is used as a source for preparation of porous carbon that performs impressively as the anode of a microbial fuel cell.

Rodrigo José Marassi, Lucas Gonçalves Queiroz, Daniel Clemente Vieira Rêgo da Silva et al.

Journal of Cleaner Production • 2020

Meng Li, Min Feng, Jinzhi Sun et al.

Bioresource Technology • 2022

Gaoming Wu, Han Bao, Xia Zheng et al.

Journal of Power Sources • 2018

Prateek Khare, Janakranjan Ramkumar, Nishith Verma

Electrochimica Acta • 2016

Qinzheng Yang, Xuedong Zhao, Jing Yang et al.

International Journal of Hydrogen Energy • 2019

Pei Tian, Di Liu, Kexun Li et al.

Bioresource Technology • 2017