中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Redox-active organics/polypyrrole composite as a cycle-stable cathode for Li ion batteries

文献类型:期刊论文

作者Deng, W. W.1; Shen, Y. F.1; Liang, X. M.2; Feng, J. W.2; Yang, H. X.1
刊名ELECTROCHIMICA ACTA
出版日期2014-11-20
卷号147页码:426-431
关键词Doped polypyrrole cathode Redox-active organic molecules Physical doping Synergistic electrochemical activation Lithium ion batteries
英文摘要A high capacity and cycle-stable organic molecule/polymer composite is synthesized by physical doping of redox-active perylene-3,4,9,10-tetracarboxydiimide (PTCDI) in polypyrrole (PPy). The as-prepared PTCDI/PPy composite demonstrates a synergistic electrochemical activation, in which the insoluble large PTCDI anions act as a redox-active dopant to activate the PPy backbones, while the activated PPy backbones form a conductive network to promote the redox activity of PTCDI molecules for Li insertion/extraction reactions. As a result, the PTCDI/PPy composite demonstrated a considerably high reversible capacity of >100 mAh g(-1) and a stable cyclability with 92% capacity retention over 200 cycles, possibly serving as a low cost and renewable alternative to the inorganic cathode materials for Li-ion batteries. Since such a physical doping method is simple and easily adoptable for different organic molecules and polymers, it may offer a new route for developing low cost and electrochemically active organic electrode materials. (C) 2014 Elsevier Ltd. All rights reserved.
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]RECHARGEABLE LITHIUM BATTERIES ; ORGANIC ELECTRODE MATERIALS ; CONDUCTING POLYMERS ; RENEWABLE CATHODE ; DOPED POLYPYRROLE ; CAPACITY ; ANION
收录类别SCI
语种英语
WOS记录号WOS:000346178800054
公开日期2015-07-14
源URL[http://ir.wipm.ac.cn/handle/112942/1273]  
专题武汉物理与数学研究所_磁共振应用研究部
作者单位1.Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Wuhan Inst Phys & Math, Wuhan 430071, Peoples R China
推荐引用方式
GB/T 7714
Deng, W. W.,Shen, Y. F.,Liang, X. M.,et al. Redox-active organics/polypyrrole composite as a cycle-stable cathode for Li ion batteries[J]. ELECTROCHIMICA ACTA,2014,147:426-431.
APA Deng, W. W.,Shen, Y. F.,Liang, X. M.,Feng, J. W.,&Yang, H. X..(2014).Redox-active organics/polypyrrole composite as a cycle-stable cathode for Li ion batteries.ELECTROCHIMICA ACTA,147,426-431.
MLA Deng, W. W.,et al."Redox-active organics/polypyrrole composite as a cycle-stable cathode for Li ion batteries".ELECTROCHIMICA ACTA 147(2014):426-431.

入库方式: OAI收割

来源:武汉物理与数学研究所

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