Article
Chemistry, Multidisciplinary
Fan Zhang, Yanhui Zhang, Zhengang Zhao
Summary: This study investigates the issue of water flooding on the cathode and the effect of cathode current collector (CCC) material and wettability on drainage capacity in micro direct methanol fuel cell (mu DMFC). A foam stainless steel CCC was prepared to improve the mu DMFC's performance through its absorbency. The results show that the gradient wettability CCC can slow down cathode flooding and improve the performance of the mu DMFC.
Article
Thermodynamics
Kanwal Shahid, Deepika Lakshmi Ramasamy, Sampo Haapasaari, Mika Sillanpaa, Arto Pihlajamaki
Summary: Microbial fuel cell (MFC) technology enables renewable energy production from organic matter in wastewater, but faces challenges in scaling up. Resource recovery from waste sources is gaining attention due to valuable nutrients in wastewater. Investigating high-performance anodes can transform MFC into a microbial nutrient recovery system for nutrient recovery from wastewater.
Article
Green & Sustainable Science & Technology
Sing-Mei Tan, Soon-An Ong, Li-Ngee Ho, Yee-Shian Wong, Che Zulzikrami Azner Abidin, Wei-Eng Thung, Tean -Peng Teoh
Summary: The study developed an integrated configuration for a single chamber microbial fuel cell, enhancing power generation and wastewater treatment performance through specific anodic packing materials and biocathode design. The system achieved high removal rates of COD and NH4+, while also showing improved voltage and power output.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Energy & Fuels
Zhengang Zhao, Fan Zhang, Yanhui Zhang, Dacheng Zhang
Summary: The study investigated the performance of mu DMFC with different types of cathode current collector, showing that the hole-type FSS cathode current collector had the best performance with higher power density and lower total impedance.
Article
Green & Sustainable Science & Technology
Alaa A. Abbas, Heba H. Farrag, Ehab El-Sawy, Nageh K. Allam
Summary: Utilizing 3D nanoporous stainless steel as the anode material for MFCs and annealing in O-2 atmosphere, enhances biofilm growth and stability, leading to improved catalytic activity and power generation.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Biochemistry & Molecular Biology
Agathe Paitier, Naoufel Haddour, Chantal Gondran, Timothy M. Vogel
Summary: This study investigated the effect of different configurations of titanium current collectors on the performance of carbon cloth anodes in microbial fuel cells (MFCs). The results showed that increasing the contact area and decreasing the distance between collectors and anodes can enhance power output. Molecular biology characterization indicated that the abundance of Geobacter and Desulfuromonas was correlated with the drop in potential on the anode and the presence of fermentative microorganisms. Electrochemical impedance spectroscopy demonstrated that biofilm resistance decreased with the abundance of electroactive bacteria. Therefore, current collectors play an important role in the performance of carbon-based anodes in MFC applications.
Article
Chemistry, Physical
Woo Hyun Yun, Young Soo Yoon, Hyon Hee Yoon, Phan Khanh Thinh Nguyen, Jaehyun Hur
Summary: A cost-effective cathode material for microbial electrolysis cells was synthesized by surface modification of stainless steel mesh through anodization. The surface-modified stainless steel mesh exhibited a porous surface and higher specific surface area, leading to significantly increased hydrogen production. The performance of the modified stainless steel mesh was stable and comparable to that of Pt/C, showing potential for practical applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Biotechnology & Applied Microbiology
Asim Ali Yaqoob, Mohamad Nasir Mohamad Ibrahim, Claudia Guerrero-Barajas
Summary: This review discusses the different conventional and modern anode materials used in microbial fuel cells, emphasizing the advantages of natural biomass-derived materials in addressing challenges. It also introduces some limitations of natural-derived anodes that can be addressed through metal oxide composites.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Electrochemistry
SooHoon Ahn, MinJoong Kim, YoungJun Kim, JuYoung Youn
Summary: The effects of minor alloying elements on the corrosion resistance of modified stainless steel in molten carbonate fuel cells were examined. The addition of Si, Mn, and Al led to a decrease in corrosion resistance but an increase in steady state current density.
Article
Energy & Fuels
Sabine Josten, Tillmann Koehler, Frank Marlow
Summary: Light-weight dye-sensitized solar cells were successfully fabricated on stainless steel meshes made of different materials, showing a voltage shift and hysteresis in the J-V characteristics. A large capacitance of 171 mu F/cm2 was found to describe this effect, with only small differences identified between the stainless steel types used for the mesh.
Article
Engineering, Chemical
Muralikrishna Boni, S. Srinivasa Rao, G. Naga Srinivasulu
Summary: This study investigates the combined impact of perforated and wire mesh current collectors on the performance of passive direct methanol fuel cells, finding that specific combinations of current collectors with certain open ratios can improve peak power density under certain conditions. Additionally, the stability of combined current collectors is emphasized.
CHINESE JOURNAL OF CHEMICAL ENGINEERING
(2021)
Review
Materials Science, Multidisciplinary
Bingxin Zhou, Arman Bonakdarpour, Ivan Stosevski, Baizeng Fang, David P. Wilkinson
Summary: The energy density of lithium metal batteries could be much higher than that of current graphite anode-based LIBs. However, dendritic lithium growth and unstable solid-electrolyte interface are challenges. Modifications of the commonly used copper current collector have been investigated to improve battery performance.
PROGRESS IN MATERIALS SCIENCE
(2022)
Article
Chemistry, Physical
Jun-Qi Hu, Yue-Zhu Li, Song-Yi Liao, Xing-Wen Huang, Yi-Zhao Chen, Xiao-Kang Peng, Yi-Bin Yang, Yong-Gang Min
Summary: The study developed a Cu@graphene-like thermal film composite current collector with ultra-lightweight and high thermal conductivity, showing smaller areal density and higher thermal conductivity compared to commercial copper foil. This material may become a competitive alternative to meet the needs for high safety, energy, and performance of LIBs.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Green & Sustainable Science & Technology
Priyakant Pushkar, Arvind Kumar Mungray
Summary: The study showed that sediment height, anode size, and chamber volume can impact the diffusion impedance and power density in benthic microbial fuel cells (BMFCs), suggesting practical implications for improving energy generation efficiency. Microbial consortia were found to play a crucial role in mass transport phenomena and electrochemical diffusion in BMFCs.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Environmental Sciences
Jiawei Yang, Shaoan Cheng, Shenglong Zhang, Weiqiang Han, Beichen Jin
Summary: The utilization of a solution-phase flocculation method to prepare MXene nanosheets for anode modification in microbial fuel cells resulted in improved anode performance, with higher current density compared to traditional modification techniques. This method provides a simple and cost-effective approach for enhancing the efficiency of MFC anodes.
Article
Green & Sustainable Science & Technology
Taehui Nam, Heunggu Kang, Soumya Pandit, Sang-Hyoun Kim, Sunho Yoon, Sungjun Bae, Sokhee P. Jung
JOURNAL OF CLEANER PRODUCTION
(2020)
Article
Engineering, Environmental
Sunghoon Son, Bonyoung Koo, Hyungwon Chai, Huong Viet Hoa Tran, Soumya Pandit, Sokhee P. Jung
Summary: This study tested the performance of five different cathodes made of low-cost materials in MECs, with Ni/AC/PTFE showing the best performance. The research quantitatively demonstrates the electrochemical and performance transitions of MEC according to changes in cathode components.
JOURNAL OF WATER PROCESS ENGINEERING
(2021)
Article
Computer Science, Information Systems
Zaki Masood, Hosung Park, Han Seung Jang, Sunyong Yoo, Sokhee P. Jung, Yonghoon Choi
Summary: This article discusses the maximization of energy efficiency (EE) for distributed antenna systems based on simultaneous wireless information and power transfer (SWIPT), presenting a tradeoff between EE and spectral efficiency and proposing an algorithm to optimize power allocation. The proposed algorithm uses Lagrangian multiplier method and Karush-Kuhn-Tucker conditions to find the optimal solution without iterative computation, achieving maximum energy transfer through optimal power splitting ratio.
IEEE SYSTEMS JOURNAL
(2021)
Article
Engineering, Environmental
Bonyoung Koo, Sokhee P. Jung
Summary: Activated carbon is an inexpensive catalyst for the oxygen reduction reaction in microbial fuel cells, but its electrochemical catalytic activity is poor. This study combined ZIF-67 with activated carbon to improve its performance, resulting in higher power density compared to AC and Pt cathodes. The addition of ZIF-67 also improved the oxygen reduction reaction rate and decreased charge transfer impedance in the MFC system.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Chemical
Masirah Zahid, Nishit Savla, Soumya Pandit, Vijay Kumar Thakur, Sokhee P. Jung, Piyush Kumar Gupta, Ram Prasad, Enrico Marsili
Summary: The increasing demand for potable water has led to the development of efficient desalination technologies such as reverse osmosis membranes. Microbial desalination cells (MDC) have been investigated for some time, but their actual relevance in the desalination industry is still unclear. Further research is needed to scale up the MDC technology, address its technical shortcomings, and reduce costs and environmental impact.
Article
Chemistry, Multidisciplinary
Huong V. H. Tran, Eojin Kim, Sokhee P. Jung
Summary: For accurate and reproducible MFC experiments, it is important to determine the time point at which MFCs produce stable cell performance. Four replicate single-chamber MFCs were tested over a period of 17 weeks using polarization and cyclic voltammetry (CV) tests. The strong MFCs showed continuous performance enhancement initially and maintained good subsequent performance, while the weak MFC experienced a performance drop initially and showed poor subsequent performance. All MFCs reached stable performance after 9 weeks. The strong MFCs exhibited significantly higher power and lower anode resistance compared to the weak MFC. However, their cathode resistances were similar. CV results demonstrated continuous increase in anodic current production in all MFCs, indicating the growth of anode biofilms; however, this increase did not correspond to an increase in MFC performance. Anodic CVs showed a typical S-shape curve, but the weak MFC-1 showed straight lines from the 9th week onwards. The weak MFC-1 exhibited smaller CV currents and thinner CV curves compared to the strong MFCs. Regression analysis revealed that anode resistance was a limiting factor for the weak MFC, while cathode resistance was a limiting factor for the strong MFCs. This suggests an operating principle of improving anodes in weak MFCs and cathodes in strong MFCs to achieve better performance.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2022)
Article
Chemistry, Physical
Nishit Savla, Mridula Guin, Soumya Pandit, Humma Malik, Santimoy Khilari, Abhilasha Singh Mathuriya, Piyush Kumar Gupta, Bhim Sen Thapa, Rambabu Bobba, Sokhee P. Jung
Summary: This article reviews cathode materials and catalysts for hydrogen evolution reaction in microbial electrochemical technology, and emphasizes the application of density functional theory in optimizing catalyst design.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Agronomy
Deok Hyun Moon, Sokhee P. Jung, Agamemnon Koutsospyros
Summary: Approximately 50% of the decommissioned mines in South Korea release toxic metals and metalloids. Orchards near these mines are affected by heavy metal contamination, particularly mercury. This study evaluated the use of starfish as stabilizing materials to remediate Hg-contaminated soil. The results showed that increasing the dosage of starfish led to a decrease in Hg leachability, with calcined forms being more effective than natural forms.
Article
Environmental Sciences
Fida Hussain, Ebenezer Ashun, Sokhee P. Jung, Taeyoung Kim, Sang-Hun Lee, Dong-Jin Kim, Sang-Eun Oh
Summary: This study assessed the toxicity of uncontaminated and contaminated soils with different physicochemical properties and contamination levels using a bioassay of immobilized microalgae. The results showed that elevated concentrations of heavy metals and organic contaminants in the contaminated soils induced higher inhibitory levels.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Review
Engineering, Environmental
Tahseena Naaz, Ankit Kumar, Anusha Vempaty, Nupur Singhal, Soumya Pandit, Pankaj Gautam, Sokhee P. Jung
Summary: In the past two decades, there has been increasing interest in converting organic waste materials into bioenergy using microbial fuel cells (MFC) that degrade organic wastewater and generate electricity. However, the development of MFC has been limited by several constraints, including the development of the anode biofilm. This review examines the role of various biological components in the development of electroactive biofilm and discusses recent advances in genetic manipulations, electrode material modifications, electron exchange mechanisms, and operational strategies to improve anode performance of MFC. It also highlights the challenges and future directions for improving biofilm production.
ENVIRONMENTAL ENGINEERING RESEARCH
(2023)
Article
Green & Sustainable Science & Technology
Sokhee P. Jung, Sunghoon Son, Bonyoung Koo
JOURNAL OF CLEANER PRODUCTION
(2023)
Review
Engineering, Environmental
Aditya Amrut Pawar, Anandakrishnan Karthic, Sangmin Lee, Soumya Pandit, Sokhee P. Jung
Summary: Anaerobic digestion is a traditional method for producing methane biogas, and the application of microbial electrolysis cell (MECs) technology in anaerobic digestion systems has been studied extensively to improve wastewater treatment and methane production. MECs are capable of utilizing various raw materials, including untreated wastewater, and have been used for hydrogen production and organic compound biodegradation. This review provides a comprehensive explanation of the operating principles and mechanisms of MECs, as well as descriptions of single-chambered and double-chambered MECs and reactor components.
ENVIRONMENTAL ENGINEERING RESEARCH
(2022)
Review
Green & Sustainable Science & Technology
Pooja Dange, Nishit Savla, Soumya Pandit, Rambabu Bobba, P. Sokhee Jung, Piyush Kumar Gupta, Mohit Sahni, Ram Prasad
Summary: The focus of research on microbial fuel cells has been on developing cathode materials and catalysts to improve current density and power generation. Recent studies have shown that utilizing different metal oxides and ferrite-based catalysts can overcome the limitations of the cathode. Graphene-based conductive polymer composites with non-precious metal catalysts have shown significant benefits for sustainable development in MFCs. This review also discusses antifouling strategies and cost estimations for catalysts in scaling up MFC technology.
JOURNAL OF RENEWABLE MATERIALS
(2022)
Article
Biotechnology & Applied Microbiology
Marzuqa Quraishi, Kayinath Wani, Soumya Pandit, Piyush Kumar Gupta, Ashutosh Kumar Rai, Dibyajit Lahiri, Dipak A. Jadhav, Rina Rani Ray, Sokhee P. Jung, Vijay Kumar Thakur, Ram Prasad
Summary: Microbial Electrosynthesis (MES) uses microbes as catalysts to produce high-energy density chemicals or fuels from electricity and wastewater, offering a promising alternative for reducing greenhouse gas emissions and generating beneficial organic compounds.
FERMENTATION-BASEL
(2021)
Review
Biotechnology & Applied Microbiology
Soumya Pandit, Nishit Savla, Jayesh M. Sonawane, Abubakar Muh'd Sani, Piyush Kumar Gupta, Abhilasha Singh Mathuriya, Ashutosh Kumar Rai, Dipak A. Jadhav, Sokhee P. Jung, Ram Prasad
Summary: The accumulation of waste in the environment has become a significant issue, highlighting the importance of developing an effective waste treatment system. Agricultural waste, rich in energy sources, is being utilized for energy recovery through technologies like the microbial fuel cell (MFC), contributing to global energy security and sustainability.
FERMENTATION-BASEL
(2021)