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题名: Investigation on the performance evaluation method of flow batteries
作者: Zheng, Qiong1, 2, 3;  Xing, Feng1;  Li, Xianfeng1;  Liu, Tao1;  Lai, Qinzhi1;  Ning, Guiling2;  Zhang, Huamin1
关键词: Performance evaluation method ;  Flow batteries ;  Charging-discharging test ;  Polarization curve
刊名: JOURNAL OF POWER SOURCES
发表日期: 2014-11-15
DOI: 10.1016/j.jpowsour.2014.04.148
卷: 266, 页:145-149
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Performance evaluation method is very important for the research on flow batteries. Charging discharging test is the most typical evaluation method for flow batteries. Recently, the polarization curves, together with the associated power density curves, which are commonly employed in fuel cells, have come into use for flow batteries' performance evaluation. Based on the investigation of performance evaluation method, it is confirmed charging discharging test is optimal for flow batteries' performance evaluation. A comparison of voltage losses (voltage efficiency, VE) can be clearly delivered from the polarization curves, which are quite practical for fuel cells' performance evaluation. While for flow batteries, apart from VE, coulombic efficiency (CE), energy efficiency (EE), utilization of electrolyte (UE) and capacity stability should be seriously considered during charging discharging process. However, CE and UE are inaccessible; accordingly. EE and capacity stability can't be detected from polarization curves. Therefore, the polarization curve is improper to serve as a performance evaluation method for flow batteries. On the premise of a proper CE, a rough performance evaluation for flow batteries can be achieved via the polarization curves. The peak power density is of limited significance in practical use due to the extremely low EE obtained at that point. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: ENERGY-STORAGE ;  REDOX BATTERY ;  PROGRESS ;  CELL ;  ELECTRODES ;  SYSTEM ;  MODEL
语种: 英语
WOS记录号: WOS:000338806300018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143174
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, Div Energy Storage, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Sch Chem Engn, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Zheng, Qiong,Xing, Feng,Li, Xianfeng,et al. Investigation on the performance evaluation method of flow batteries[J]. JOURNAL OF POWER SOURCES,2014,266:145-149.
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