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题名: Nickel foam and carbon felt applications for sodium poly sulfide/bromine redox flow battery electrodes
作者: Zhao, P;  Zhang, HM;  Zhou, HT;  Yi, BL
关键词: nickel foam ;  carbon felt ;  cell performance ;  internal ohmic resistance ;  polysulfide/bromine battery
刊名: ELECTROCHIMICA ACTA
发表日期: 2005-11-25
DOI: 10.1016/j.electacta.2005.06.008
卷: 51, 期:6, 页:1091-1098
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: The first use of nickel foam (NF) as electrocatalytic negative electrode in a polysulfide/bromine battery (PSB) is described. The performance of a PSB employing NF and polyacrylonitrile (PAN)-based carbon felt (CF) as negative and positive electrode materials, respectively, was evaluated by constant current charge-discharge tests in a single cell. Charge/discharge curves of the cell, positive and negative electrodes show that the rapid fall in cell voltage is due to the drop of positive potential caused by depletion of Br-2 dissolved in the catholyte at the end of discharge. Cell voltage efficiency was limited by the relatively high internal ohmic resistance drop (iR drop). Polarization curves indicated that both NF and CF have excellent catalytic activity for the positive and negative redox reactions of PSB. The average energy efficiency of the single cell designed in this work could be as high as 77.2% at 40 mA cm(-2) during 48 charge-discharge cycles. (C) 2005 Elsevier Ltd. All rights reserved.
关键词[WOS]: ENERGY-STORAGE ;  PERFORMANCE ;  HYDROGEN ;  CELL
语种: 英语
WOS记录号: WOS:000234032800008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139883
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Liaoning Prov, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Zhao, P,Zhang, HM,Zhou, HT,et al. Nickel foam and carbon felt applications for sodium poly sulfide/bromine redox flow battery electrodes[J]. ELECTROCHIMICA ACTA,2005,51(6):1091-1098.
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