|本期目录/Table of Contents|

[1]李亮,李兰艳,王牌.聚吡咯/二氧化锰复合材料的合成与性能[J].武汉工程大学学报,2013,(03):43-47.[doi:103969/jissn16742869201303009]
　LI Liang,LI Lan Yan,WANG Pai.Synthesis and properties of polypyrrole and polypyrrole/MnO2 composite[J].Journal of Wuhan Institute of Technology,2013,(03):43-47.[doi:103969/jissn16742869201303009]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年03期
页码:
43-47
栏目:
资源与土木工程
出版日期:
2013-03-31

文章信息/Info

Title:
Synthesis and properties of polypyrrole and polypyrrole/MnO2 composite
文章编号:
16742869(2013)03004305
作者:
李亮; 李兰艳; 王牌
武汉工程大学材料科学与工程学院,湖北 武汉 430074
Author(s):
LI Liang; LI LanYan;  WANG Pai
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430074,China
关键词:
聚吡咯; 聚吡咯/二氧化锰复合材料; 一步法; 电容
Keywords:
polypyrrole;  polypyrrole/MnO2 composite;  one step method;  capacitance
分类号:
O633
DOI:
103969/jissn16742869201303009
文献标志码:
A
摘要:
聚吡咯制备简便、电导率可控,且比电容高、稳定性好、易于跟其他材料复合, 是导电聚合物中一种颇具前景的超级电容器的电极材料. 结合二氧化锰成本低、比表面积大、可逆性高、电化学性能稳定、环境友好等优点,采用一步法成功制备了聚吡咯/二氧化锰纳米复合材料.通过傅里叶红外光谱、X射线衍射、扫描电子显微镜、X射线能量色散谱等测试,对聚吡咯/二氧化锰复合材料的结构和形貌进行表征;并且通过循环伏安法和计时电位法对其进行电化学性能测试.结果表明在电流密度为1 A /g时,所合成的聚吡咯/二氧化锰复合材料的电容比聚吡咯大几十倍,达到559 F/g,并且保持率达到98.64%,表明聚吡咯/二氧化锰复合材料具有优良的电化学性、良好的可逆性和优秀的稳定性,与其他同类超级电容器电极材料对比具有一定的优势.
Abstract:
Polypyrrole is a kind of promising conductive polymer due to easy to prepare, adjustable conductivity, high specific capacitance, good reliability and excellent compatibility with other materials. MnO2 also has many advantages, such as economical, high specific surface area, good reversibility, good chemical reliability and environment friendly. polypyrrole/MnO2 composite was synthesized by one step method. The structure and morphology of polypyrrole /MnO2 composite was studied by fourier transform infrared (FTIR) spectroscopic, scanning electron microscope (SEM), energy dispersive Xray spectrom (EDX) test. Moreover, the electrochemical performance was tested by cyclic voltammetry and chronopotentiometry. The result shows that the specific capacitance of the polypyrrole/MnO2 composite can reaches 559 F/g at the current density of 1 A/g, which is much more than that polypyrrole. The specific capacitance of the polypyrrole/MnO2 electrode keeps 98.64% after 1000 charge/discharge cycles. It indicates that polypyrrole/MnO2 composite has good electrochemistry, reversibility and recyclable properties, which can be used as supercapacitors in future.

参考文献/References:

［1］Qian R Y,Pei Q B,Huang Z T.The role of H+ ions in the electrochemical polymerization of pyrrole in aqueous media\[J\].Makeromol Chem,1991,192:1263.［2］程富民.二氧化锰-聚合物复合材料的循环伏安法制备及性能研究\[D\].石家庄:河北师范大学,2010.［3］张熊.二氧化锰及其纳米复合材料的可控制备与性能研究\[D\].北京:北京化工大学,2008.［4］朱寒冰,黄瑜,李亮.甲基橙掺杂聚吡咯纳米管的合成及其性能\[J\].武汉工程大学学报,2011,33(7):1721.［5］Lakshinandan Goswami,Neelotpal Sen Sarma, Devasish Chowdhury.BiasInduced Enhancement of Conductivity in Polypyrrole\[J\].The Journal of Physical Chemistry, 2012,116:64466452.［6］Junyu Lei,Xiaofeng Lu,Wei Wang,et al,Fabrication of MnO2/graphene oxide composite nanosheets and their application in hydrazine detection\[J\].The Royal Society of Chemistry, 2012,2:25412544.［7］Jianfeng Zang, Xiaodong Li. In situ synthesis of ultrafine βMnO2/polypyrrole nanorod composites for highperformance supercapacitors\[J\].Journal of Materials Chemistry,2011,21,1096510969.

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备注/Memo

备注/Memo:
收稿日期：20130112基金项目：国家自然科学基金（20904044）;武汉工程大学第四届研究生教育创新基金（CX201232）作者简介：李亮(1978),男,湖北黄石人,教授,博士. 研究方向: 功能高分子合成及其应用.
更新日期/Last Update: 2013-04-23