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Microbial electrolysis cells with biocathodes and driven by microbial fuel cells for simultaneous enhanced

Jingya SHEN,Yuliang SUN,Liping HUANG,Jinhui YANG

《环境科学与工程前沿（英文）》 2015年 第9卷 第6期   页码 1084-1095 doi: 10.1007/s11783-015-0805-y

摘要： Cobalt and copper recovery from aqueous Co(II) and Cu(II) is one critical step for cobalt and copper wastewaters treatment. Previous tests have primarily examined Cu(II) and Co(II) removal in microbial electrolysis cells (MECs) with abiotic cathodes and driven by microbial fuel cell (MFCs). However, Cu(II) and Co(II) removal rates were still slow. Here we report MECs with biocathodes and driven by MFCs where enhanced removal rates of 6.0±0.2 mg?L ?h for Cu(II) at an initial concentration of 50 mg?L and 5.3±0.4 mg?L h for Co(II) at an initial 40 mg?L were achieved, 1.7 times and 3.3 times as high as those in MECs with abiotic cathodes and driven by MFCs. Species of Cu(II) was reduced to pure copper on the cathodes of MFCs whereas Co(II) was removed associated with microorganisms on the cathodes of the connected MECs. Higher Cu(II) concentrations and smaller working volumes in the cathode chambers of MFCs further improved removal rates of Cu(II) (115.7 mg?L ?h ) and Co(II) (6.4 mg?L ?h ) with concomitantly achieving hydrogen generation (0.05±0.00 mol?mol COD). Phylogenetic analysis on the biocathodes indicates dominantly accounted for 67.9% of the total reads, followed by (14.0%), (6.1%), (2.5%), (1.4%), and (1.0%). This study provides a beneficial attempt to achieve simultaneous enhanced Cu(II) and Co(II) removal, and efficient Cu(II) and Co(II) wastewaters treatment without any external energy consumption.

关键词： biocathode     microbial electrolysis cell     microbial fuel cell     Cu(II) removal     Co(II) removal    

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Latest development of double perovskite electrode materials for solid oxide fuel cells: a review

Shammya AFROZE, AfizulHakem KARIM, Quentin CHEOK, Sten ERIKSSON, Abul K. AZAD

《能源前沿（英文）》 2019年 第13卷 第4期   页码 770-797 doi: 10.1007/s11708-019-0651-x

摘要： Recently, the development and fabrication of electrode component of the solid oxide fuel cell (SOFC) have gained a significant importance, especially after the advent of electrode supported SOFCs. The function of the electrode involves the facilitation of fuel gas diffusion, oxidation of the fuel, transport of electrons, and transport of the byproduct of the electrochemical reaction. Impressive progress has been made in the development of alternative electrode materials with mixed conducting properties and a few of the other composite cermets. During the operation of a SOFC, it is necessary to avoid carburization and sulfidation problems. The present review focuses on the various aspects pertaining to a potential electrode material, the double perovskite, as an anode and cathode in the SOFC. More than 150 SOFCs electrode compositions which had been investigated in the literature have been analyzed. An evaluation has been performed in terms of phase, structure, diffraction pattern, electrical conductivity, and power density. Various methods adopted to determine the quality of electrode component have been provided in detail. This review comprises the literature values to suggest possible direction for future research.

关键词： double perovskites     electrode materials     hydrocarbon fuel     solid oxide fuel cells    

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Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

《能源前沿（英文）》 2010年 第4卷 第4期   页码 443-458 doi: 10.1007/s11708-010-0127-5

摘要： Direct ethanol fuel cells (DEFCs) are a promising carbon-neutral and sustainable power source for portable, mobile, and stationary applications. However, conventional DEFCs that use acid proton-exchange membranes (typically Nafion type) and platinum-based catalysts exhibit low performance (i.e., the state-of-the-art peak power density is 79.5 mW/cm at 90°C). Anion-exchange membrane (AEM) DEFCs that use low-cost AEM and non-platinum catalysts have recently been demonstrated to yield a much better performance (i.e., the state-of-the-art peak power density is 160 mW/cm at 80°C). This paper provides a comprehensive review of past research on the development of AEM DEFCs, including the aspects of catalysts, AEMs, and single-cell design and performance. Current and future research challenges are identified along with potential strategies to overcome them.

关键词： fuel cell     direct ethanol fuel cells     anion-exchange membrane     ethanol oxidation reaction     oxygen reduction reaction     cell performance    

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Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysiscells

《能源前沿（英文）》 doi: 10.1007/s11708-023-0901-9

摘要： Interconnector is a critical component to construct solid oxide cells (SOCs) stack. Oxidation of metallic interconnectors and Cr poisoning caused by oxidation are important factors that lead to long-term performance degradation of SOCs. Coating on the interconnector surface is an important approach to inhibit the oxidation and Cr migration of the interconnector. Herein, (La0.75Sr0.25)0.95MnO3–δ (LSM) and Mn1.5Co1.5O4 (MCO) are used to fabricate the coatings of interconnector. Two advanced thermal spray technology, atmospheric plasma spraying (APS) and low-pressure plasma spray (LPPS), are adopted for the coating preparation. The electrochemical performance, rising and cooling cycle stability, and Cr diffusion inhibition performance of the coatings are tested and evaluated. The result indicates that MCO can generate more uniform and denser coatings than LSM. In addition, MCO coatings prepared by LPPS shows the best electrochemical performance, rising and cooling cycle stability, and Cr diffusion inhibition. The initial area specific resistance (ASR) is 0.0027 Ω·cm2 at 800 °C. After 4 cooling cycle tests, the ASR increases to 0.0032 Ω·cm2 but lower than other samples. Meanwhile, the relative intense of Cr at the interface of SUS430 with MCO coatings fabricated by LPPS is lower than that of MCO fabricated by APS after 4 rising and cooling cycle operations, showing more favorable Cr diffusion inhibition performance.

关键词： interconnector coating     plasma spray     electrochemical performance     Cr diffusion inhibition     solid oxide cells (SOCs)    

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Recent advances in cathode electrocatalysts for PEM fuel cells

Junliang ZHANG

《能源前沿（英文）》 2011年 第5卷 第2期   页码 137-148 doi: 10.1007/s11708-011-0153-y

摘要： Great progress has been made in the past two decades in the development of the electrocatalysts for proton exchange membrane fuel cells (PEMFCs). This review article is focused on recent advances made in the kinetic-activity improvement on platinum- (Pt-) based cathode electrocatalysts for the oxygen reduction reaction (ORR). The origin of the limited ORR activity of Pt catalysts is discussed, followed by a review on the development of Pt alloy catalysts, Pt monolayer catalysts, and shape- and facet-controlled Pt-alloy nanocrystal catalysts. Mechanistic understanding is reviewed as well on the factors contributing to the enhanced ORR activity of these catalysts. Finally, future directions for PEMFC catalyst research are proposed.

关键词： proton exchange membrane fuel cells (PEMFCs)     cathode electrocatalysts     platinum     oxygen reduction reaction (ORR)    

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Achievements and trends of solid oxide fuel cells in clean energy field: a perspective review

Abdalla M. ABDALLA, Shahzad HOSSAIN, Pg MohdIskandr PETRA, Mostafa GHASEMI, Abul K. AZAD

《能源前沿（英文）》 2020年 第14卷 第2期   页码 359-382 doi: 10.1007/s11708-018-0546-2

摘要： The main concerns in the world today, especially in the energy field, are subjected to clean, efficient, and durable sources of energy. These three aspects are the main goals that scientist are paying attention to. However, the various types of energy resources include fossil and sustainable ones, but still some challenges are chasing these kinds from energy conversion, storage, and efficiency. Hence, the most reliable and considered energy resource nowadays is the utilized one which is as highly efficient, clean, and everlasting as possible. So, in this review, an attempt is made to highlight one of the promising types as a clean and efficient energy resource. Solid oxide fuel cell (SOFC) is the most efficient type of the fuel cell types involved with hydrogen and hydrocarbon-based fuels, especially when it works with combined heat and power (CHP). The importance of this type is due to its nature of work as conversion tool from chemical to electrical for generation of power without noise, pollution, and can be safely handled.

关键词： solid oxide fuel cells (SOFCs)     clean energy     design     micro-scale     nano-scale     performance    

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Current challenge and perspective of PGM-free cathode catalysts for PEM fuel cells

Gang WU

《能源前沿（英文）》 2017年 第11卷 第3期   页码 286-298 doi: 10.1007/s11708-017-0477-3

摘要： To significantly reduce the cost of proton exchange membrane fuel cells, platinum-group metal (PGM)-free cathode catalysts are highly desirable. Current M-N-C (M: Fe, Co or Mn) catalysts are considered the most promising due to their encouraging performance. The challenge thus has been their stability under acidic conditions, which has hindered their use for any practical applications. In this review, based on the author’s research experience in the field for more than 10 years, current challenges and possible solutions to overcome these problems were discussed. The current Edisonian approach (i.e., trial and error) to developing PGM-free catalysts has been ineffective in achieving revolutionary breakthroughs. Novel synthesis techniques based on a more methodological approach will enable atomic control and allow us to achieve optimal electronic and geometric structures for active sites uniformly dispersed within the 3D architectures. Structural and chemical controlled precursors such as metal-organic frameworks are highly desirable for making catalysts with an increased density of active sites and strengthening local bonding structures among N, C and metals. Advanced electrochemical and physical characterization, such as electron microscopy and X-ray absorption spectroscopy should be combined with first principle density functional theory (DFT) calculations to fully elucidate the active site structures.

关键词： oxygen reduction     fuel cells     cathode     nonprecious metal catalysts     carbon nanocomposites    

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Simultaneously recovering electricity and water from wastewater by osmotic microbial fuel cells: Performance

Yuqin Lu, Xiao Bian, Hailong Wang, Xinhua Wang, Yueping Ren, Xiufen Li

《环境科学与工程前沿（英文）》 2018年 第12卷 第4期 doi: 10.1007/s11783-018-1049-4

摘要：

OsMFC can simultaneously recover electricity and water from wastewater.

Membrane fouling played an important role in flux decline of FO membrane in OsMFCs.

Biofouling was the major fouling of the FO membrane in OsMFCs.

The growth of biofouling layer on the FO membrane can be divided into three stages.

Microorganisms were the dominant biofoulant in the biofouling layer.

关键词： Microbial fuel cell     Forward osmosis     Membrane fouling     Biofouling     Wastewater treatment    

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阴极支撑管式固体氧化物燃料电池

黄克勤

《中国工程科学》 2013年 第15卷 第2期   页码 15-26

摘要：

介绍了世界领先的阴极支撑管式固体氧化物燃料电池（SOFC）技术。从SOFC的基本组成开始阐述SOFC的工作原理、优点、类型及应用。作为SOFC的一个重要分支，重点讨论了阴极支撑管式SOFC，详细介绍了其工艺创新、材料、制备工艺，以及传统的圆管（cylindrical）和扁管电池的电性能。然后对过去半个世纪以来西门子/西屋公司制造并且示范验证的SOFC发电系统进行了详细的总结。

关键词： 固体氧化物燃料电池     阴极     支撑体     管式     电性能    

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Comparative analysis of ceramic-carbonate nanocomposite fuel cells using composite GDC/NLC electrolyte

Muhammad I. Asghar, Sakari Lepikko, Janne Patakangas, Janne Halme, Peter D. Lund

《化学科学与工程前沿（英文）》 2018年 第12卷 第1期   页码 162-173 doi: 10.1007/s11705-017-1642-2

摘要： A comparative analysis of perovskite structured cathode materials, La Sr MnO (LSM), La Sr CoO (LSC), La Sr FeO (LSF) and La Sr Co Fe O (LSCF), was performed for a ceramic-carbonate nanocomposite fuel cell using composite electrolyte consisting of Gd Ce O (GDC) and a eutectic mixture of Na CO and Li CO . The compatibility of these nanocomposite electrode powder materials was investigated under air, CO and air/CO atmospheres at 550 °C. Microscopy measurements together with energy dispersive X-ray spectroscopy (EDS) elementary analysis revealed few spots with higher counts of manganese relative to lanthanum and strontium under pure CO atmosphere. Furthermore, electrochemical impedance (EIS) analysis showed that LSC had the lowest resistance to oxygen reduction reaction (ORR) (14.12 Ω·cm ) followed by LSF (15.23 Ω·cm ), LSCF (19.38 Ω·cm ) and LSM (>300 Ω·cm ). In addition, low frequency EIS measurements (down to 50 µHz) revealed two additional semi-circles at frequencies around 1 Hz. These semicircles can yield additional information about electrochemical reactions in the device. Finally, a fuel cell was fabricated using GDC/NLC nanocomposite electrolyte and its composite with NiO and LSCF as anode and cathode, respectively. The cell produced an excellent power density of 1.06 W/cm at 550 °C under fuel cell conditions.

关键词： electrode     fuel cell     low-temperature     nanocomposite     perovskite    

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先进电池——材料和技术创新推动未来能源发展

屠海令, 彭苏萍

《工程（英文）》 2023年 第21卷 第2期   页码 1-2 doi: 10.1016/j.eng.2022.12.003

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plant fermentation broth on nitrogen removal and bioenergy generation in constructed wetland-microbial fuelcells

《环境科学与工程前沿（英文）》 2022年 第16卷 第12期 doi: 10.1007/s11783-022-1592-x

摘要：

● Fermentation broth facilitates N removal and energy yields in tertiary CW-MFC.

关键词： Constructed wetland     Microbial fuel cell     Nitrogen removal     Bioenergy generation     Carbon source    

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Nitrogen recovery from wastewater using microbial fuel cells

Yong XIAO,Yue ZHENG,Song WU,Zhao-Hui YANG,Feng ZHAO

《环境科学与工程前沿（英文）》 2016年 第10卷 第1期   页码 185-191 doi: 10.1007/s11783-014-0730-5

摘要： Nitrogen is one of major contaminants in wastewater; however, nitrogen, as bio-elements for crop growth, is the indispensable fertilizer in agriculture. In this study, two-chamber microbial fuel cells (MFCs) were first operated with microorganisms in anode chamber and potassium ferricyanide as catholyte. After being successfully startup, the two-chamber MFCs were re-constructed to three-chamber MFCs which were used to recover the and of synthetic wastewater into value-added nitrogenous fertilizer from cathode chamber and anode chamber, respectively. Ferric nitrate was used as the sole electron acceptor in cathode, which also was used to evaluate the recover efficiency in the case major anion of in cathode. The output voltage of these MFCs was about 600–700 mV at an external load of 500 Ω. About 47% in anode chamber and 83% in cathode chamber could be recovered. Higher current density can selectively improve the recovery efficiency of both and . The study demonstrated a nitrogen recovery process from synthetic wastewater using three-chamber MFCs.

关键词： nitrogen recovery     microbial fuel cells (MFCs)     electromigration     wastewater treatment    

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中国燃料电池现状与展望

彭苏萍

《工程（英文）》 2023年 第21卷 第2期   页码 20-23 doi: 10.1016/j.eng.2022.11.005

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Effect of catalyst layer mesoscopic pore-morphology on cold start process of PEM fuel cells

Ahmed Mohmed DAFALLA, Fangming JIANG

《能源前沿（英文）》 2021年 第15卷 第2期   页码 460-472 doi: 10.1007/s11708-021-0733-4

摘要： Water transport is of paramount importance to the cold start of proton exchange membrane fuel cells (PEMFCs). Analysis of water transport in cathode catalyst layer (CCL) during cold start reveals the distinct characteristics from the normal temperature operation. This work studies the effect of CCL mesoscopic pore-morphology on PEMFC cold start. The CCL mesoscale morphology is characterized by two tortuosity factors of the ionomer network and pore structure, respectively. The simulation results demonstrate that the mesoscale morphology of CCL has a significant influence on the performance of PEMFC cold start. It was found that cold-starting of a cell with a CCL of less tortuous mesoscale morphology can succeed, whereas starting up a cell with a CCL of more tortuous mesoscale morphology may fail. The CCL of less tortuous pore structure reduces the water back diffusion resistance from the CCL to proton exchange membrane (PEM), thus enhancing the water storage in PEM, while reducing the tortuosity in ionomer network of CCL is found to enhance the water transport in and the water removal from CCL. For the sake of better cold start performance, novel preparation methods, which can create catalyst layers of larger size primary pores and less tortuous pore structure and ionomer network, are desirable.

关键词： cold start     energy conversion     fuel cells     mesoscale morphology     tortuosity     water management    

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标题 作者 时间 类型 操作

Microbial electrolysis cells with biocathodes and driven by microbial fuel cells for simultaneous enhanced

Jingya SHEN,Yuliang SUN,Liping HUANG,Jinhui YANG

期刊论文

Latest development of double perovskite electrode materials for solid oxide fuel cells: a review

Shammya AFROZE, AfizulHakem KARIM, Quentin CHEOK, Sten ERIKSSON, Abul K. AZAD

期刊论文

Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

期刊论文

Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysiscells

期刊论文

Recent advances in cathode electrocatalysts for PEM fuel cells

Junliang ZHANG

期刊论文

Achievements and trends of solid oxide fuel cells in clean energy field: a perspective review

Abdalla M. ABDALLA, Shahzad HOSSAIN, Pg MohdIskandr PETRA, Mostafa GHASEMI, Abul K. AZAD

期刊论文

Current challenge and perspective of PGM-free cathode catalysts for PEM fuel cells

Gang WU

期刊论文

Simultaneously recovering electricity and water from wastewater by osmotic microbial fuel cells: Performance

Yuqin Lu, Xiao Bian, Hailong Wang, Xinhua Wang, Yueping Ren, Xiufen Li

期刊论文

阴极支撑管式固体氧化物燃料电池

黄克勤

期刊论文

Comparative analysis of ceramic-carbonate nanocomposite fuel cells using composite GDC/NLC electrolyte

Muhammad I. Asghar, Sakari Lepikko, Janne Patakangas, Janne Halme, Peter D. Lund

期刊论文

先进电池——材料和技术创新推动未来能源发展

屠海令, 彭苏萍

期刊论文

plant fermentation broth on nitrogen removal and bioenergy generation in constructed wetland-microbial fuelcells

期刊论文

Nitrogen recovery from wastewater using microbial fuel cells

Yong XIAO,Yue ZHENG,Song WU,Zhao-Hui YANG,Feng ZHAO

期刊论文

中国燃料电池现状与展望

彭苏萍

期刊论文

Effect of catalyst layer mesoscopic pore-morphology on cold start process of PEM fuel cells

Ahmed Mohmed DAFALLA, Fangming JIANG

期刊论文