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学科主题: 物理化学
题名: Thermal stability and electrochemical performance of Polyaniline/Pr6O11 composites
作者: Li, Hui1, 2;  Wang, Shaoxu1;  Huang, Zihang1;  Han, Liangjun1;  Zhang, Shihui1;  Li, Yini1;  Tan, Zhicheng3
通讯作者: ShaoxuWang
关键词: PANI ;  Pr6O11 composite ;  thermal stability ;  electrochemical properties
刊名: POLYMERS FOR ADVANCED TECHNOLOGIES
发表日期: 2014
DOI: 10.1002/pat.3206
卷: 25, 期:1, 页:66-72
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Polymer Science
研究领域[WOS]: Polymer Science
英文摘要: In order to describe the influence of Pr6O11 on thermal and electrochemical performance of polyaniline (PANI), PANI/Pr6O11 composites were synthesized by in situ polymerization in the presence of sulfosalicylic acid (as dopant). The composites obtained was characterized by scanning electron microscope, Fourier transform infrared spectra, and X-ray diffraction. The thermal stability of the composites was investigated by thermogravimetry and derivative thermogravimetry. Finally, the comparative analysis on the electrochemical properties of PANI/Pr6O11 composites electrodes, such as cyclic voltammetry, electrochemical impedance spectroscopy, and constant current charge-discharge test, was conducted under similar conditions. Scanning electron microscope, infrared, and X-ray diffraction results show that interaction exists between PANI and Pr6O11, and the composites are more crystalline than pure PANI. Thermogravimetry and derivative thermogravimetry analyses indicate that PANI/Pr6O11 composites and pure PANI have similar thermal stability. Moreover, the studies regarded to capacitive properties show that the electrochemical performance of the composites is improved greatly when Pr6O11 is added in small amount. However, with increasing the amount of Pr6O11, the electrochemical performance of the composites become worse, which indicates a large amount of Pr6O11 has a negative effect on the capacitance. These results suggest that PANI is still in the conductive form after inserting the Pr6O11, and the capacitance performance of PANI can be improved only by a low percentage of Pr6O11. Copyright (c) 2013 John Wiley & Sons, Ltd.
关键词[WOS]: CONDUCTING POLYANILINE ;  SUPERCAPACITOR ;  CARBON ;  NANOCOMPOSITES ;  ELECTRODE ;  FILMS ;  MICROEMULSION ;  CAPACITORS ;  IMPEDANCE ;  POLYMERS
语种: 英语
WOS记录号: WOS:000328630800011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143864
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.Dalian Jiaotong Univ, Coll Environm & Chem Engn, Dalian 116028, Peoples R China
2.Taiyuan Iron & Steel Grp CO LTD, Taiyuan 030003, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Li, Hui,Wang, Shaoxu,Huang, Zihang,et al. Thermal stability and electrochemical performance of Polyaniline/Pr6O11 composites[J]. POLYMERS FOR ADVANCED TECHNOLOGIES,2014,25(1):66-72.
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