Article
Engineering, Environmental
Aparajita Basu, Sourav Manna, Alok Kumar Sil
Summary: In this study, an efficient exoelectrogen, named Paraclostridium sp. AKS46, was successfully isolated, which exhibited a high level of current generation and significant COD reduction in a microbial fuel cell. This new isolate was capable of forming a biofilm on the anode, and multiple electron transfer routes to the electrode surface were observed. Furthermore, it demonstrated the ability to utilize diverse carbon sources and efficiently generate current using different household wastes, suggesting its potential use in sustainable development.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Yue Yi, Yuxin Feng, Baoguo Wang, Haoran Nan, Zika Hao, Tianbo Yi, Aiqin Luo
Summary: Electrochemically active bacteria (EAB) act as catalysts in microbial electrochemical systems, enabling simultaneous wastewater treatment and electricity generation. This study investigates the effects of toxic exposure on EAB and finds that toxic exposure initially inhibits current generation in EAB, but this inhibition gradually diminishes over time. This increased resistance is due to the adaptive response of EAB, with a decrease in susceptible Geobacter population and an increase in resistant Geomonas population. These findings provide insights into the adaptive mechanism of EAB to toxic exposure and can be applied in treating toxic wastewater.
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
(2023)
Article
Energy & Fuels
Boobalan Thulasinathan, James Obeth Ebenezer, Abhispa Bora, Arumugam Nagarajan, Arivalagan Pugazhendhi, Tamilmani Jayabalan, Samsudeen Nainamohamed, Mukesh Doble, Arun Alagarsamy
Summary: The study utilized a coculture system of Serratia marcescens and Klebsiella pneumoniae in an MFC system to treat wastewater, with biofilm-produced proteins and carbohydrates effectively achieving a chemical oxygen demand removal rate of around 70.42%.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Electrochemistry
Chengcheng Xing, Demin Jiang, Le Tong, Kexin Ma, Yan Xu, Kun Xie, Yuqiao Wang
Summary: The MXene@PDDA/CC anode, with high conductivity, superhydrophilicity, and biocompatibility, facilitates the enrichment of electrochemical active bacteria and improves the efficiency of EET process in MFCs. It can achieve remarkable power output and satisfactory effluent removal efficiency under an external series resistance of 1 kΩ, with a maximum output voltage of 585 mV and a maximum power density of 811 mW m(-2). The efficiencies of methyl orange decolorization and chemical oxygen demand removal can reach 79% and 84% after 12 hours of operation.
Article
Electrochemistry
Yidan Hu, Xi Han, Liang Shi, Bin Cao
Summary: Electrochemically active biofilms (EABs) are formed by electroactive bacteria that can exchange electrons with electrodes. They have been widely used in bioelectrochemical sensors. However, the sensitivity, specificity, and stability of EAB-enabled biosensors are still limited. Therefore, engineering EABs is an effective strategy to improve their performance.
ELECTROCHIMICA ACTA
(2022)
Article
Environmental Sciences
Huimin Wang, Xiaoyan Qi, Lei Zhang, Xueli Zhang, Ping Xu, Xia Wang
Summary: The bacterium S. yanoikuyae XLDN2-5 was found to be an electrochemically active organism with high extracellular electron transfer capability. It was able to degrade carbazole and generate electricity simultaneously in microbial fuel cells. The nanowires produced by the bacterium were found to be conductive. These findings lay a foundation for further research on the treatment of polycyclic aromatic heterocyclic pollutants in electrochemical devices.
Article
Energy & Fuels
Asif Nadeem Tabish, Iqra Farhat, Muneeb Irshad, Muhammad Asif Hussain, Muhammad Usman, Tariq Nawaz Chaudhary, Yasser Fouad, Sohaib Raza, Waqar Muhammad Ashraf, Jaroslaw Krzywanski
Summary: Microbial fuel cell (MFC) technology is considered a practical alternative to traditional activated sludge technique in treating domestic and industrial effluents. However, the focus of existing literature has been on developing MFC systems and materials for maximum power output, with insufficient understanding of the fundamental electrochemical characteristics. This experimental study investigates the limitations of the electrochemical process and the potential of bioelectricity generation and dairy effluent treatment using a double-chamber MFC. The results show significant reduction in chemical oxygen demand (COD) and demonstrate the highest open circuit voltage and maximum power density achieved during the study period.
Article
Biochemistry & Molecular Biology
Oscar Guadarrama-Perez, Alexa Carolina Guevara-Perez, Victor Hugo Guadarrama-Perez, Victoria Bustos-Terrones, Jesus Hernandez-Romano, Rosa Angelica Guillen-Garces, Gabriela Eleonora Moeller-Chavez
Summary: The environmental pollution problems caused by fossil fuels have prompted the search for renewable energy sources to reduce greenhouse gas emissions. Constructed wetlands-microbial fuel cells (CW-MFCs) provide a potential solution for sustainable development by focusing on bioelectricity generation. This research utilized Geobacter sulfurreducens DL-1 bacterium as a bioelectrocatalyst in CW-MFCs to enhance bioelectricity production. The results demonstrated that the consumption of root exudates by the anodic biofilm directly influenced the bioelectricity generation in CW-MFCs.
BIOELECTROCHEMISTRY
(2023)
Article
Energy & Fuels
Debajyoti Bose, Mahula Santra, Rama Venkata Siva Prasanna Sanka, Balaji Krishnakumar
Summary: This study conducted experiments using sediment microbial fuel cells in Jaipur, India, demonstrating the potential for bioelectricity generation and examining the relationship between system components and power density.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Energy & Fuels
Zulfiqar Ahmad Bhatti, Mahnoor Syed, Farhana Maqbool, Yang-Guo Zhao, Xu Ying, Muhammad Faisal Siddiqui, Qaisar Mahmood
Summary: This study investigated the potential use of different concentrations of molasses wastewater in microbial fuel cells (MFCs) for bioelectricity production and reduction of chemical oxygen demand (COD). The results showed that an MFC with a molasses concentration of 5 g L-1 exhibited more efficient power generation compared to acetate, while the COD removal efficiency was similar for both molasses and acetate.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Engineering, Environmental
Mohammad Faisal Umar, Mohd Rafatullah, Syed Zaghum Abbas, Mohamad Nasir Mohamad Ibrahim, Norli Ismail
Summary: The study found that xylene-contaminated wastewater can be biodegraded through a benthic microbial fuel cell, with a maximum biodegradation efficiency of 87.8%. After 30 days of operation, the specific capacitance of the BMFC was 0.124 F/g.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Biochemistry & Molecular Biology
Samuel Raj Babu Arulmani, Helan Leuca Gnanamuthu, Sabariswaran Kandasamy, Ganesan Govindarajan, Mishal Alsehli, Ashraf Elfasakhany, Arivalagan Pugazhendhi, Hongguo Zhang
Summary: This study investigated the potential of two essential food plants for sustainable bioenergy production and food harvest over 180 days, with the use of plant-mediated microbial fuel cells (PMFCs). The results showed that the organic-rich nutrient bioslurry in PMFCs enhanced the electrochemical reaction, leading to increased power density in P2-PMFC compared to P1-PMFC. By analyzing isolated bacterial species from the rhizosphere-anode region of the plants, the study identified potential electrogenic bacteria and highlighted the role of bioslurry in promoting plant growth and bacterial activity in PMFCs, indicating the possibility of developing MFC technology for sustainable electricity production.
PROCESS BIOCHEMISTRY
(2021)
Article
Environmental Sciences
Shentan Liu, Zuo Wang, Xiaojuan Feng, Sang-Hyun Pyo
Summary: An innovative design of MER coupled with IAF-PMFC was developed for azo dye wastewater treatment and electricity generation. The sequential degradation of azo dye and the feasibility of energy self-sufficiency were assessed. The combined system achieved high decolorization efficiency and COD removal, even at high dye concentration. The MER/IAF-PMFC technology can simultaneously realize refractory wastewater treatment and balance of electricity production and consumption.
ENVIRONMENTAL RESEARCH
(2023)
Article
Engineering, Environmental
Vanessa Rosana Ribeiro, Hector David Delgado Osorio, Amanda Canterle Ulrich, Tiele Medianeira Rizzetti, Andrea Sanchez Barrios, Rosana de Cassia de Souza Schneider, Lisianne Brittes Benitez
Summary: The study evaluated the bioremediation and bioelectricity production of synthetic wastewater in a microalgaemicrobial fuel cell system. The results showed that the combination of Escherichia coli and Desmodesmus subspicatus was most effective in bioelectricity generation.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Review
Agricultural Engineering
Wilgince Apollon, Alejandro Isabel Luna-Maldonado, Sathish-Kumar Kamaraj, Juan Antonio Vidales-Contreras, Humberto Rodriguez-Fuentes, Juan F. Gomez-Leyva, Juana Aranda-Ruiz
Summary: Bioelectrochemical systems such as microbial fuel cells and plant microbial fuel cells are renewable energy sources used for various applications. Plant microbial fuel cells can generate electricity continuously as the plant grows without harming the plant, but face challenges in commercialization and energy efficiency when compared to other systems.
BIOMASS & BIOENERGY
(2021)
Article
Electrochemistry
Abdul Qayoom Mugheri, Shaista Khan, Ali Asghar Sangah, Aijaz Ahmed Bhutto, Muhammad Younis Laghari, Nadeem Ahmed Mugheri, Asif Ali Jamali, Arsalan Ahmed Mugheri, Nagji Sodho, Abdul Waheed Mastoi, Aftab Kandhro
Summary: Green hydrogen has the potential to transition to a pollution-free energy infrastructure. This study proposes a solution to produce hydrogen during the photoelectrochemical process, offering greater stability and control over chemical reactions. Techno-economic assessments show the efficiency and economic feasibility of co-producing value-added chemicals to enhance green hydrogen production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Danpeng Cheng, Wuxin Sha, Qigao Han, Shun Tang, Jun Zhong, Jinqiao Du, Jie Tian, Yuan-Cheng Cao
Summary: LiNixCoyMn1-x-yO2 (NCM) is a critical cathode material for lithium-ion batteries in electric vehicles. The aging of cathode/electrolyte interfaces leads to capacity degradation and long-term cycle instability. A novel neural network model called ACGNet is developed to predict electrochemical stability windows of crystals, allowing for high-throughput screening of coating materials. LiPO3 is identified as a promising coating material with high oxidation voltage and low cost, which significantly improves the cycle stability of NCM batteries. This study demonstrates the accuracy and potential of machine learning in battery materials.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
P. Mohana, R. Yuvakkumar, G. Ravi, S. Arunmetha
Summary: This study successfully fabricates a non-noble CuO/NiO/rGO nanocomposite and investigates its electrocatalytic performance for oxygen evolution reaction in alkaline environment. The experimental results demonstrate that the electrocatalyst exhibits high activity and good stability, offering a new synthetic approach for sustainable energy production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Qiong Qu, Jing Guo, Hongyu Wang, Kai Zhang, Jingde Li
Summary: In this study, a bifunctional electrode host design consisting of carbon nanofibers implanted ordered porous Co-decorated Al2O3 supported on carbon nanotube film (CNTF) was proposed to address the shuttling effect of lithium polysulfides (LiPSs) and dendrite formation of metal lithium anode in lithium-sulfur (Li-S) batteries. The electrode exhibited excellent conductivity, efficient confinement of LiPSs, and catalytic conversion performance, resulting in high initial capacity and good capacity retention during cycling. As an anode, the electrode showed excellent Li+ diffusion performance and uniform lithium growth behavior, achieving a dendrite-free lithium electrode. The flexible pack cell assembled from these electrodes delivered a specific capacity of 972 mAh g(-1) with good capacity retention.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Hong Zhang, Jin-Peng Yu, Chen Chen, Cheng-Yong Shu, Guang-Yu Xu, Jie Ren, Kai Cui, Wen-Fang Cai, Yun-Hai Wang, Kun Guo
Summary: Spray coating of acetylene black nanoparticles onto stainless steel mesh can enhance its biofilm formation ability and current density, making it a promising electrode material for microbial electrochemical systems. The spray coating method is simple, cost-effective, and suitable for large-size stainless steel electrodes.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Binpeng Hou, Jingjin Chen, Li-Hong Zhang, Xiaowen Shi, Zizhong Zhu
Summary: The electrochemical performance of Li1.20Mn0.44Ni0.32Co0.04O2 and its oxygen-deficient phase Li1.20Mn0.44Ni0.32Co0.04O1.83 was studied through first-principles calculations. The results show that the oxygen-deficient phase has a higher theoretical capacity but lower voltage platform and higher chemical activity compared to the pristine phase.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Yating Du, Sayoko Shironita, Daisuke Asakura, Eiji Hosono, Yoshitsugu Sone, Yugo Miseki, Eiichi Kobayashi, Minoru Umeda
Summary: This study investigates the effect of high- and low-temperature environments on the charge-discharge performance of a Li-ion battery. The deterioration mechanisms of the battery at different temperatures are analyzed through various characterization techniques. The results indicate that the battery performance deteriorates more significantly at a low-temperature environment of 5 degrees C compared to higher temperatures. The understanding of the deterioration mechanisms can contribute to the development of safer battery usage methods.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Si-Si Shi, Zhi-Xiang Yuan, Fei Zhang, Ping Chen
Summary: In this study, a new nano-electrocatalyst was prepared, which exhibited superior electrocatalytic activity for the reduction of NO2- to ammonia in a neutral electrolyte, potentially due to the synergistic enhancement between Co3O4-x and Co.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Berna Dalkiran, Havva Bekirog
Summary: This study reports the use of deep eutectic solvents (DES) based on ethylene glycol and urea as low-cost and green electrolytes for enhancing electrochemical detection of natural antioxidants. The study successfully developed a disposable and effective electrochemical sensing platform for simultaneous determination of ascorbic acid (AA) and gallic acid (GA) using NaOH nanorods on a pencil graphite electrode. The proposed electrode showed improved analytical performance, with higher peak currents and shifted oxidation potentials in DES compared to BR buffer medium.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Sijun Ren, Jianguo Huang
Summary: In this study, a novel bio-inspired nanofibrous WO3/carbon composite was synthesized using a facile hydrothermal method. The three-dimensional network structure of the composite alleviated the volume expansion of WO3 nanorods and enhanced the charge-transport kinetics. The optimized composite exhibited superior lithium storage properties.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Zhilong Zheng, Yu Chen, Hongxia Yin, Hengbo Xiao, Xiangji Zhou, Zhiwen Li, Ximin Li, Jin Chen, Songliu Yuan, Junjie Guo, Haibin Yu, Zhen Zhang, Lihua Qian
Summary: This study found that interstitial Zn cations in CoMoO4 can modulate the dissolution kinetics of Mo cations and improve the OER performance. The interstitial Zn cations can prevent the dissolution of Co cations at high potential, enhancing the durability of the catalyst.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Xiaobo Lin, Shern R. Tee, Debra J. Searles, Peter T. Cummings
Summary: Molecular dynamics simulations using the constant potential method were used to investigate the charging dynamics and charge storage of supercapacitors. The simulations revealed that the water-in-salt electrolyte exhibited the highest charge storage and significantly higher capacitance on the negative electrode. The varying contributions of different electrode regions to supercapacitor performance were also demonstrated.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Wiktoria Lipinska, Vita Saska, Katarzyna Siuzdak, Jakub Karczewski, Karol Zaleski, Emerson Coy, Anne de Poulpiquet, Ievgen Mazurenko, Elisabeth Lojou
Summary: The spatial distribution of enzymes on electrodes is important for bioelectrocatalysis. In this study, controlled spatial distribution of gold nanoparticles on Ti nanodimples was achieved. The efficiency of enzymatic O2 reduction was found to be influenced by the size of the gold nanoparticles and their colocalization with TiO2. The highest stability of enzymatic current was observed with the largest gold nanoparticles.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Tariq M. Al-Hejri, Zeenat A. Shaikh, Ahmed H. Al-Naggar, Siddheshwar D. Raut, Tabassum Siddiqui, Hamdan M. Danamah, Vijaykumar V. Jadhav, Abdullah M. Al-Enizi, Rajaram S. Mane
Summary: This study explores a promising self-growth approach for the synthesis of nickel hydroxide (Ni(OH)2) nanosponge-balls on the surface of a nickel-foam (NiF) electrode. The modified NiF electrode, named Ni(OH)2@NiF, shows distinctive nanosponge-ball morphology and demonstrates excellent energy storage capability and electrocatalytic performance in both hydrogen and oxygen evolution reactions.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Rafael Del Olmo, Gregorio Guzman-Gonzalez, Oihane Sanz, Maria Forsyth, Nerea Casado
Summary: The use of Lithium-Ion Batteries (LIBs) is becoming increasingly extensive, and it is important to optimize the devices to achieve their maximum practical specific capacity. In this study, mixed ionic-electronic conducting (MIEC) binders based on PEDOT:PSS and PEDOT: PDADMA-TFSI were developed for Li-ion cathodes, and their performance was compared with conventional formulations. The influence of electrode formulations, including the addition of conducting carbon and an Organic Ionic Plastic Cristal (OIPC), was also analyzed. The proposed binders showed improved performance compared to conventional formulations with different electrolyte types and active materials.
ELECTROCHIMICA ACTA
(2024)