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A comparative study of carbon felt and activated carbon based electrodes for sodium polysulfide/bromine redox flow battery
Zhou, Hantao; Zhang, Huamin; Zhao, Ping; Yi, Baolian; Zhang HM(张华民); Zhang HM(张华民)
关键词Polysulfide/bromine Battery Carbon Felt Activated Carbon Structure-performance Relationship Energy Efficiency
刊名ELECTROCHIMICA ACTA
2006-09-15
DOI10.1016/j.electacta.2006.03.106
51期:28页:6304-6312
收录类别SCI
文章类型Article
部门归属3
项目归属303
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]MASS-TRANSFER ; PLATINUM-ELECTRODE ; HYDROSULFIDE IONS ; FIBER ELECTRODES ; PERFORMANCE ; BEHAVIOR ; KINETICS
英文摘要Carbon felt (CF) and activated carbon (AC) based electrodes for sodium polysulfidelbromine redox flow battery (PSB) were prepared and compared with a laboratory scale PSB flow cell in terms of structure and application performances. The structural properties of the two types of electrodes were characterized by filamentary analog and BET analysis, respectively. Catalyst coating, discharge behavior analysis and thermogravimetric analysis-mass spectrometry (TG-MS) were carried out to make out the different dominant factor in the application performances of the two materials. Compared to AC based electrode (ACE), despite of the relatively low surface area, CF demonstrates almost the same application performances, much more gains in electrochemical activity towards negative half-cell reactions by catalyst coating, and more even discharge voltage curve and stable cycling performance. At current density of 40 mA cm(-2), an average energy efficiency of up to 81% over 50 cycles (about 600 h) has been achieved with cobalt coated CF, but with ACE only 64.7% within 16 cycles, which decreases quickly due to the loss of surface area resulted from sulfur depositing. The difference in structure related to mass transport makes the application performances gap between the two types of materials in PSB. (c) 2006 Elsevier Ltd. All rights reserved.
语种英语
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WOS记录号WOS:000240855100011
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被引频次:102[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97251
专题中国科学院大连化学物理研究所
通讯作者Zhang HM(张华民); Zhang HM(张华民)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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GB/T 7714
Zhou, Hantao,Zhang, Huamin,Zhao, Ping,et al. A comparative study of carbon felt and activated carbon based electrodes for sodium polysulfide/bromine redox flow battery[J]. ELECTROCHIMICA ACTA,2006,51(28):6304-6312.
APA Zhou, Hantao,Zhang, Huamin,Zhao, Ping,Yi, Baolian,张华民,&张华民.(2006).A comparative study of carbon felt and activated carbon based electrodes for sodium polysulfide/bromine redox flow battery.ELECTROCHIMICA ACTA,51(28),6304-6312.
MLA Zhou, Hantao,et al."A comparative study of carbon felt and activated carbon based electrodes for sodium polysulfide/bromine redox flow battery".ELECTROCHIMICA ACTA 51.28(2006):6304-6312.
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