Article
Materials Science, Multidisciplinary
Elham Goleij, Hamidreza Ghafouri Taleghani, Mohammad Soleimani Lashkenari
Summary: In this study, carbon cloth flexible electrodes modified by polyaniline-based nanocomposites were fabricated for sediment microbial fuel cells (SMFC). The nanocomposite-modified electrode showed higher electrochemical properties and a three times higher power density compared to traditional carbon fabric electrodes. This promising development indicates the potential for efficient power generation in SMFCs with the use of such nanocomposites.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Engineering, Environmental
Gini Rani, Kadirvelu Krishna, K. N. Yogalakshmi
Summary: The study found that using nanoparticle-coated electrodes can significantly improve the conductivity and current density of microbial electrolysis cells, demonstrating the excellent catalytic performance of Fe3O4 nanoparticles.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Review
Environmental Sciences
P. Aiswaria, Samsudeen Naina Mohamed, D. Lenin Singaravelu, Kathirvel Brindhadevi, Arivalagan Pugazhendhi
Summary: Microbial Fuel Cell (MFC) is a promising green technology for wastewater treatment, offering bioenergy generation and other advantages. However, challenges such as low power output and high fabrication costs hinder its real-time applications. Graphene-based nanocomposites show potential for electrode modification in MFC, reducing costs and improving efficiency.
Article
Electrochemistry
S. Mwale, M. O. Munyati, J. Nyirenda
Summary: This study developed and optimized a copper anode material coated with a thin polyaniline layer for microbial fuel cells. The polyaniline materials doped with formic acid demonstrated the highest conductivity and the best inhibition effect on copper degradation. Additionally, the polyaniline-copper electrode showed promising performance in the H-type microbial fuel cell, achieving a high power density and low internal resistance.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2021)
Article
Materials Science, Multidisciplinary
Dinesh J. Ahirrao, Ajay Kumar Pal, Vikalp Singh, Neetu Jha
Summary: Nanostructured porous polyaniline has been successfully synthesized and coated on a flexible and conductive carbon cloth substrate, forming flexible electrodes for supercapacitor devices. The composite exhibited higher specific capacitance and outstanding cyclic stability compared to pure polyaniline, attributed to the synergistic effect between polyaniline and carbon cloth.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Environmental Sciences
Anamika Yadav, Dipak A. Jadhav, Makarand M. Ghangrekar, Arunabha Mitra
Summary: Constructed wetlands combined with microbial fuel cells for wastewater treatment show high efficiency in reducing organic matter, phosphate, and nitrogen. The use of carbon felt as an anode material in the microbial fuel cells increases power density, making it suitable for efficient domestic wastewater treatment and electricity production.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Mojdeh Lotfi, Habibollah Younesi, Bita Roshanravan, Nader Bahramifar, Maxime Pontie, Mehri Shabani, Meisam Tabatabaei, Maryam Nazerifar
Summary: This study confirmed the efficacy of modified electrode microbial fuel cells in removing COD and generating electricity using wastewater from industrial meat processing. Coating CuO on the carbon cloth electrodes significantly improved the electrochemical performance by reducing charge transfer resistance. These findings have significant implications for sustainable electricity production and improving environmental quality.
WATER AND ENVIRONMENT JOURNAL
(2023)
Article
Electrochemistry
Yuanfeng Liu, Xiuling Zhang, Huiyu Li, Lichong Peng, Yue Qin, Xiaoqiu Lin, Linshan Zheng, Congju Li
Summary: Decorated anodes integrated with electrospun porous alpha-Fe2O3 nanofibers and carbon nanotubes have been developed for microbial fuel cells, achieving excellent power density and COD removal efficiency. This strategy shows potential for power production and pollutant removal by promoting bacterial attachment and electron transfer.
ELECTROCHIMICA ACTA
(2021)
Article
Energy & Fuels
Daniel Fini, Aniruddha P. Kulkarni, Sarbjit Giddey, Sankar Bhattacharya
Summary: Coal fuel cell technology is becoming increasingly attractive due to its high conversion efficiency, with Australian coals showing promising performance without the need for chemical pre-treatment. The use of scandia-zirconia electrolytes and symmetrical Ce0.9GdO.1O2-Ag electrodes resulted in power densities exceeding 290 mW cm(-2) over a 10-hour period, with no signs of reactivity between electrodes and fuel noted in post-mortem analysis.
Article
Chemistry, Physical
Zhenfei Liu, Dingding Ye, Xun Zhu, Shaolong Wang, Rong Chen, Yang Yang, Qiang Liao
Summary: This study introduces a self-pumping membraneless microfluidic fuel cell utilizing carbon cloth electrodes and Na2SO4-imbibed polyacrylamide gel as the ion-transport medium. The flow of fuel and oxidant is driven by capillary force without the need for external pumps, achieving a peak power density of 8.9 mW cm(-2).
JOURNAL OF POWER SOURCES
(2021)
Article
Environmental Sciences
Khurram Tahir, Waheed Miran, Jiseon Jang, Nagesh Maile, Asif Shahzad, Mokrema Moztahida, Ahsan Adul Ghani, Bolam Kim, Dae Sung Lee
Summary: This study synthesized a binder-free manganese cobalt oxide anode with a large electrochemically active and rough surface area, leading to improved microbial fuel cell performance. The superior bio-electrochemical activity, reduced ion transfer resistance, and excellent capacitance of the synthesized anode resulted in enhanced power density. The modified anode also accelerated the enrichment of electro-active microbes, as shown by high-throughput biofilm analysis.
Article
Chemistry, Multidisciplinary
Haoliang Wu, Hao Tan, Luye Chen, Bin Yang, Yang Hou, Lecheng Lei, Zhongjian Li
Summary: A novel anode based on a stainless steel cloth modified with carbon nanoparticles significantly improved the performance of microbial fuel cells, including shortened start-up time, increased maximum current, and higher power density. The addition of carbon nanoparticles and their excellent dispersibility played a crucial role in enhancing electron transfer between the electrode and bacteria.
CHINESE CHEMICAL LETTERS
(2021)
Article
Energy & Fuels
Xiaobo Chen, Yang Zhang, Jianghao Cai, Jiangyue Zhu
Summary: The core-shell NiCo2O4@MnMoO4/CC composite shows significantly improved electrochemical performance compared to other CEs, due to the combination of outer-sphere MnMoO4 nanosheet and inner-sphere NiCo2O4 nanowires on carbon cloth, providing a large electrochemical surface area and lower charge-transfer and series resistances. The DSSCs device with NiCo2O4@MnMoO4/CC CE achieved a high power conversion efficiency of 11.87% and maintained 90.9% efficiency for up to 10 days, demonstrating its potential for efficient and cost-effective use in DSSCs and related fields.
Article
Chemistry, Physical
Saddam Hussain, Yangping Li, Ali Mustehsin, Akbar Ali, Khalid Hussain Thebo, Zeeshan Ali, Sabir Hussain
Summary: Samarium-doped ceria (SDC) nanocomposite electrolytes were prepared using the co-precipitation method with different ZnO:SDC weight ratios for solid oxide fuel cell application. The physicochemical characterization was conducted with various techniques, showing that the ZnO (x = 0.2) nanocomposite exhibited superior ionic conductivity. The fuel cell performance of ZnO/SDC nanocomposite electrolytes with hydrogen as fuel was measured, demonstrating good power density and maximum open-circuit voltage at high temperatures.
Article
Agricultural Engineering
M. Naveenkumar, K. Senthilkumar
Summary: The study focused on reducing electrode costs and environmental pollution by utilizing waste materials, particularly coconut shells for electrode synthesis. Among the different synthesized electrodes, the CS-Cu-0.2 electrode showed the highest power output, indicating its potential for sustainable and cost-effective application in microbial fuel cells.
BIOMASS & BIOENERGY
(2021)
Article
Energy & Fuels
Yingna Du, Chen Huang, Wei Jiang, Qiangwei Yan, Yongfei Li, Gang Chen
Summary: In this study, anionic surfactants modified hydrotalcite was used as a flow improver for crude oil under low-temperature conditions. The modified hydrotalcite showed a significant viscosity reduction effect on crude oil. The mechanism of the modified hydrotalcite on viscosity and pour point of crude oil was explored through characterization and analysis of the modified hydrotalcite and oil samples.
Article
Energy & Fuels
Mohammad Saeid Rostami, Mohammad Mehdi Khodaei
Summary: In this study, a hybrid structure, MIL-53(Al)@MWCNT, was synthesized by combining MIL-53(Al) particles and -COOH functionalized multi-walled carbon nanotube (MWCNT). The hybrid structure was then embedded in a polyethersulfone (PES) polymer matrix to prepare a mixed matrix membrane (MMM) for CO2/CH4 and CO2/N2 separation. The addition of MWCNTs prevented MIL-53(Al) aggregation, improved membrane mechanical properties, and enhanced gas separation efficiency.
Article
Energy & Fuels
Yunlong Li, Desheng Huang, Xiaomeng Dong, Daoyong Yang
Summary: This study develops theoretical and experimental techniques to determine the phase behavior and physical properties of DME/flue gas/water/heavy oil systems. Eight constant composition expansion (CCE) tests are conducted to obtain new experimental data. A thermodynamic model is used to accurately predict saturation pressure and swelling factors, as well as the phase boundaries of N2/heavy oil systems and DME/CO2/heavy oil systems, with high accuracy.
Article
Energy & Fuels
Morteza Afkhamipour, Ebad Seifi, Arash Esmaeili, Mohammad Shamsi, Tohid N. Borhani
Summary: Non-conventional amines are being researched worldwide to overcome the limitations of traditional amines like MEA and MDEA. Adequate process and thermodynamic models are crucial for understanding the applicability and performance of these amines in CO2 absorption, but studies on process modeling for these amines are limited. This study used rate-based modeling and Deshmukh-Mather method to model CO2 absorption by DETA solution in a packed column, validated the model with experimental data, and conducted a sensitivity analysis of mass transfer correlations. The study also compared the CO2 absorption efficiency of DETA solution with an ionic solvent [bmim]-[PF6] and highlighted the importance of finding optimum operational parameters for maximum absorption efficiency.
Article
Energy & Fuels
Arastoo Abdi, Mohamad Awarke, M. Reza Malayeri, Masoud Riazi
Summary: The utilization of smart water in EOR operations has gained attention, but more research is needed to understand the complex mechanisms involved. This study investigated the interfacial tension between smart water and crude oil, considering factors such as salt, pH, asphaltene type, and aged smart water. The results revealed that the hydration of ions in smart water plays a key role in its efficacy, with acidic and basic asphaltene acting as intrinsic surfactants. The pH also influenced the interfacial tension, and the aged smart water's interaction with crude oil depended on asphaltene type, salt, and salinity.
Article
Energy & Fuels
Dongao Zhu, Kun Zhu, Lixian Xu, Haiyan Huang, Jing He, Wenshuai Zhu, Huaming Li, Wei Jiang
Summary: In this study, cobalt-based metal-organic frameworks (Co-based MOFs) were used as supports and co-catalysts to confine the NHPI catalyst, solving the leaching issue. The NHPI@Co-MOF with carboxyl groups exhibited stronger acidity and facilitated the generation of active oxygen radicals O2•, resulting in enhanced catalytic activity. This research provides valuable insights into the selection of suitable organic linkers and broadens the research horizon of MOF hybrids in efficient oxidative desulfurization (ODS) applications.
Article
Energy & Fuels
Edwin G. Hoyos, Gloria Amo-Duodu, U. Gulsum Kiral, Laura Vargas-Estrada, Raquel Lebrero, Rail Munoz
Summary: This study investigated the impact of carbon-coated zero-valent nanoparticle concentration on photosynthetic biogas upgrading. The addition of nanoparticles significantly increased microalgae productivity and enhanced nitrogen and phosphorus assimilation. The presence of nanoparticles also improved the quality of biomethane produced.
Article
Energy & Fuels
Yao Xiao, Asma Leghari, Linfeng Liu, Fangchao Yu, Ming Gao, Lu Ding, Yu Yang, Xueli Chen, Xiaoyu Yan, Fuchen Wang
Summary: Iron is added as a flocculant in wastewater treatment and the hydrothermal carbonization (HTC) of sludge produces wastewater containing Fe. This study investigates the effect of aqueous phase (AP) recycling on hydrochar properties, iron evolution and environmental assessment during HTC of sludge. The results show that AP recycling process improves the dewatering performance of hydrochar and facilitates the recovery of Fe from the liquid phase.
Article
Energy & Fuels
He Liang, Tao Wang, Zhenmin Luo, Jianliang Yu, Weizhai Yi, Fangming Cheng, Jingyu Zhao, Xingqing Yan, Jun Deng, Jihao Shi
Summary: This study investigated the influence of inhibitors (carbon dioxide, nitrogen, and heptafluoropropane) on the lower flammability limit of hydrogen and determined the critical inhibitory concentration needed for complete suppression. The impact of inhibitors on explosive characteristics was evaluated, and the inhibitory mechanism was analyzed with chemical kinetics. The results showed that with the increase of inhibitor quantity, the lower flammability limit of hydrogen also increased. The research findings can contribute to the safe utilization of hydrogen energy.
Article
Energy & Fuels
Zonghui Liu, Zhongze Zhang, Yali Zhou, Ziling Wang, Mingyang Du, Zhe Wen, Bing Yan, Qingxiang Ma, Na Liu, Bing Xue
Summary: In this study, high-performance solid catalysts based on phosphotungstic acid (HPW) supported on Zr-SBA-15 were synthesized and evaluated for the one-pot conversion of furfural (FUR) to γ-valerolactone (GVL). The catalysts were characterized using various techniques, and the ratio of HPW and Zr was found to significantly affect the selectivity of GVL. The HPW/Zr-SBA-15 (2-4-15) catalyst exhibited the highest GVL yield (83%) under optimized reaction conditions, and it was determined that a balance between Bronsted acid sites (BAS) and Lewis acid sites (LAS) was crucial for achieving higher catalytic performance. The reaction parameters and catalyst stability were also investigated.
Article
Energy & Fuels
Michael Stoehr, Stephan Ruoff, Bastian Rauch, Wolfgang Meier, Patrick Le Clercq
Summary: As part of the global energy transition, an experimental study was conducted to understand the effects of different fuel properties on droplet vaporization for various conventional and alternative fuels. The study utilized a flow channel to measure the evolution of droplet diameters over time and distance. The results revealed the temperature-dependent effects of physical properties, such as boiling point, liquid density, and enthalpy of vaporization, and showed the complex interactions of preferential vaporization and temperature-dependent influences of physical properties for multi-component fuels.
Article
Energy & Fuels
Yuan Zhuang, Ruikang Wu, Xinyan Wang, Rui Zhai, Changyong Gao
Summary: Through experimental validation and optimization of the chemical kinetic model, it was found that methanol can accelerate the oxidation reaction of ammonia, and methanol can be rapidly oxidized at high concentration. HO2 was found to generate a significant amount of OH radicals, facilitating the oxidation of methanol and ammonia. Rating: 7.5/10.
Article
Energy & Fuels
Radwan M. EL-Zohairy, Ahmed S. Attia, A. S. Huzayyin, Ahmed I. EL-Seesy
Summary: This paper presents a lab-scale experimental study on the impact of diethyl ether (DEE) as an additive to waste cooking oil biodiesel with Jet A-1 on combustion and emission features of a swirl-stabilized premixed flame. The addition of DEE to biodiesel significantly affects the flame temperature distribution and emissions. The W20D20 blend of DEE, biodiesel, and Jet A-1 shows similar flame temperature distribution to Jet A-1 and significantly reduces UHC, CO, and NOx emissions compared to Jet A-1.
Article
Energy & Fuels
Jiang Bian, Ziyuan Zhao, Yang Liu, Ran Cheng, Xuerui Zang, Xuewen Cao
Summary: This study presents a novel method for ammonia separation using supersonic flow and develops a mathematical model to investigate the condensation phenomenon. The results demonstrate that the L-P nucleation model accurately characterizes the nucleation process of ammonia at low temperatures. Numerical simulations also show that increasing pressure and concentration can enhance ammonia condensation efficiency.
Article
Energy & Fuels
Shiyuan Pan, Xiaodan Shi, Beibei Dong, Jan Skvaril, Haoran Zhang, Yongtu Liang, Hailong Li
Summary: Integrating CO2 capture with biomass-fired combined heat and power (bio-CHP) plants is a promising method for achieving negative emissions. This study develops a reliable data-driven model based on the Transformer architecture to predict the flowrate and CO2 concentration of flue gas in real time. The model validation shows high prediction accuracy, and the potential impact of meteorological parameters on model accuracy is assessed. The results demonstrate that the Transformer model outperforms other models and using near-infrared spectral data as input features improves the prediction accuracy.