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《材料导报》期刊社  2018, Vol. 32 Issue (1): 47-50    https://doi.org/10.11896/j.issn.1005-023X.2018.01.005
  材料与可持续发展(一)—— 面向洁净能源的先进材料 |
Nano-Au@PANI蛋黄空心结构电极材料的构筑及超级电容性能
谭永涛1,2(),孔令斌1,2,康龙1,2,冉奋1,2
1 兰州理工大学材料科学与工程学院,兰州 730050
2 兰州理工大学省部共建有色金属先进加工与可再生利用国家重点实验室,兰州 730050
Construction of Nano-Au@PANI Yolk-shell Hollow Structure Electrode Material and Its Electrochemical Performance
Yongtao TAN1,2(),Lingbin KONG1,2,Long KANG1,2,Fen RAN1,2
1 College of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050
2 State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050
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摘要 

采用两步化学氧化法,通过控制氧化剂的扩散合成了Nano-Au@PANI复合材料。采用透射电镜对其形貌进行了表征,采用电化学工作站对其电化学性能进行了测试,并研究了反应时间对其电化学性能的影响。结果表明,合成的Nano-Au@PANI复合材料具有蛋黄空心结构,PANI外壳层的厚度随时间的延长而增加,其作为电极材料比容量出现了先增大后减小的趋势。当反应时间为12 h时,其PANI外壳层的厚度约为21 nm,比容量为79 F·g -1。

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谭永涛
孔令斌
康龙
冉奋
关键词:  复合电极材料  金纳米颗粒  聚苯胺  超级电容器    
Abstract: 

The nano-Au@PANI was prepared via a two-step method of oxidative polymerization by controlling the diffusion of oxidizing agents. The morphology of nano-Au@PANI was characterized by TEM, and the performances of supercapacitor were measured by electrochemical work-station (CHI660E). Furthermore, the relationship of reaction time and the performances of supercapacitor were also studied. The results showed that the nano-Au@PANI composites possessed yolk-shell structure, and with extension of reaction time the specific capacitance first increased and then decreased. When the reaction time was 12 h, the shell thickness of PANI was about 21 nm, the specific capacitance was up to 79 F·g -1.

Key words:  composite electrode material    Au nanoparticle    polyaniline    supercapacitor
出版日期:  2018-01-10      发布日期:  2018-01-10
ZTFLH:  TB324  
  TQ316.3  
基金资助: 国家自然科学基金(51203071);博士后科学基金(2014M552509);甘肃省自然科学基金(2015GS05123)
作者简介:  谭永涛:男,1987年生,博士研究生,主要研究方向为超级电容器电极材料 E-mail: tanyongtao1987@163.com
引用本文:    
谭永涛, 孔令斌, 康龙, 冉奋. Nano-Au@PANI蛋黄空心结构电极材料的构筑及超级电容性能[J]. 《材料导报》期刊社, 2018, 32(1): 47-50.
Yongtao TAN, Lingbin KONG, Long KANG, Fen RAN. Construction of Nano-Au@PANI Yolk-shell Hollow Structure Electrode Material and Its Electrochemical Performance. Materials Reports, 2018, 32(1): 47-50.
链接本文:  
https://www.mater-rep.com/CN/10.11896/j.issn.1005-023X.2018.01.005  或          https://www.mater-rep.com/CN/Y2018/V32/I1/47
图1  Nano-Au@PANI 蛋黄空心结构构筑示意图
图2  (a)Nano-Au, (b)Nano-Au@PANI-6,(c)Nano-Au@PANI-12, (d)Nano-Au@PANI-36和(e)Nano-Au@PANI-48的透射电镜照片
图3  复合材料的电化学性能:(a, b) Nano-Au@PANI-6,(c, d)Nano-Au@PANI-12,(e, f)Nano-Au@PANI-24,(g, h)Nano-Au@PANI-36;(i, j)Nano-Au@PANI-48;(h)复合材料的循环伏安曲线(扫描速率:5 mV·s-1)和(k)交流阻抗曲线(电子版为彩图)
图4  不同电流密度下复合材料的比电容
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