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学科主题: 物理化学
题名: Electrochemical performance of lithium ion capacitors using aqueous electrolyte at high temperature
作者: Yan, Jingwang1, 2;  Sun, Yuanyuan1, 2, 3;  Jiang, Liang1, 2;  Tian, Ying1, 2;  Xue, Rong1, 2;  Hao, Lixing1, 2;  Liu, Wei3;  Yi, Baolian1, 2
通讯作者: 阎景旺
刊名: JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
发表日期: 2013-03-01
DOI: 10.1063/1.4798432
卷: 5, 期:2, 页:021404
收录类别: SCI ;  ISTP
合作性质: 
文章类型: Article
部门归属: DNL03
项目归属: DNL03T1
产权排名: 待补充
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Energy & Fuels
资助者: 1,1
研究领域[WOS]: Energy & Fuels
英文摘要: Aqueous lithium ion capacitors (LICs) with LiFePO4 positive electrodes and activated carbon (AC) negative electrodes were developed and their electrochemical performances were investigated by cyclic voltammetry, galvanostatic charge/discharge, and ac impedance spectroscopy at various temperatures. It is found that the stable voltage window for the aqueous LICs is 0-1.7 V and the optimized mass ratio between the positive electrode and negative electrode is 1:1. The rate capability of the LIC is much higher than that of the LiFePO4 electrodes. The Ohmic resistance and electrochemical impedance of the LiFePO4 and AC electrodes decrease with increasing the temperature, leading to high rate capability of the LIC. The performance of the LIC is deteriorated when it is cycled at 70 degrees C which is caused by the reduction of Fe2+ in LiFePO4. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4798432]
关键词[WOS]: CHARGE STORAGE MECHANISM ;  DOUBLE-LAYER CAPACITANCE ;  ENERGY-STORAGE ;  MATERIALS SCIENCE ;  NANOROD ARRAYS ;  SUPERCAPACITORS ;  OXIDE ;  BATTERIES ;  CARBON
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000318242100005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119256
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, Dalian 116023, Peoples R China
2.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Dalian Univ Technol, Dalian 116024, Peoples R China

Recommended Citation:
Yan, Jingwang,Sun, Yuanyuan,Jiang, Liang,et al. Electrochemical performance of lithium ion capacitors using aqueous electrolyte at high temperature[J]. JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY,2013,5(2):021404.
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