不同磺酸掺杂聚苯胺的制备及在超级电容器中的应用

引用本文: 林有铖, 钟新仙, 黄寒星, 王红强, 冯崎鹏, 李庆余. 不同磺酸掺杂聚苯胺的制备及在超级电容器中的应用[J]. 物理化学学报, 2016, 32(2): 474-480. doi: 10.3866/PKU.WHXB201511104 shu

Citation: LIN You-Cheng, ZHONG Xin-Xian, HUANG Han-Xing, WANG Hong-Qiang, FENG Qi-Peng, LI Qing-Yu. Preparation and Application of Polyaniline Doped with Different Sulfonic Acids for Supercapacitor[J]. Acta Physico-Chimica Sinica, 2016, 32(2): 474-480. doi: 10.3866/PKU.WHXB201511104 shu

不同磺酸掺杂聚苯胺的制备及在超级电容器中的应用

1.
广西师范大学化学与药学学院, 药用资源化学与药物分子工程教育部重点实验室, 广西低碳能源材料重点实验室, 广西桂林 541004

通讯作者: 钟新仙, 李庆余; 钟新仙, 李庆余

基金项目:
中国博士后科学基金(2014M562499XB) (2014M562499XB)

国家自然科学基金(U1401246,51474110)资助项目 (U1401246,51474110)

摘要: 以MnO₂为氧化剂,采用乳液聚合法,用三种不同的磺酸型表面活性剂制备掺杂聚苯胺(PANI)。通过扫描电子显微镜(SEM)、傅里叶变换红外(FTIR)光谱以及X 射线衍射(XRD)等手段对其结构及形貌进行表征;用所得的掺杂聚苯胺制作电极,组装成对称扣式超级电容器,用循环伏安法(CV)、电化学阻抗(EIS)和恒电流充放电技术进行电化学性能研究。结果表明,磺酸表面活性剂的引入有利于PANI 纳米纤维的形成和分散,掺杂Nafion 的PANI 纤维直径在30-40 nm之间,纤维交织成多孔的疏松结构;当放电电流为0.1 A·g^-1时,以PANI-Nafion、PANI-SDS(十二烷基磺酸钠)、PANI-SDBS(十二烷基苯磺酸钠)为电极材料的超级电容器比容量分别为385.3、359.7、401.6 F·g^-1,均高于未掺杂PANI 的比容量(235.8 F·g^-1);其中,PANINafion的循环稳定性最好,1000次循环后其比容量保持率高达70.7%。

关键词:

English

Preparation and Application of Polyaniline Doped with Different Sulfonic Acids for Supercapacitor

1.
Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Education, Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutial Sciences, Guangxi Normal University, Guilin 541004, Guangxi Zhuang Autonomous Region, P. R. China

Corresponding author: 钟新仙, 李庆余; 钟新仙, 李庆余

Received Date: 20 July 2015
Fund Project:
中国博士后科学基金(2014M562499XB)

国家自然科学基金(U1401246,51474110)资助项目

Abstract: Polyaniline (PANI) nanomaterials doped with three different sulfonic acid surfactants (perfluorinated sulfonic acid ion exchange resin (Nafion), sodium dodecyl sulfate (SDS), and sodium dodecyl benzene sulfonate (SDBS)) were prepared using an emulsion polymerization method with manganese dioxide (MnO₂) as the oxidant. The structure and morphology of the products were studied by scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and X-ray diffraction (XRD). Symmetric redox supercapacitor was assembled with doped PANI as the active electrode material. The electrochemical performances of the materials were evaluated by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and galvanostatic charge-discharge tests. These results suggest that the introduction of surfactant is beneficial for the formation of a fiber structure and increases the dispersion of PANI. A PANI-Nafion network with distributed porosity and average diameters of 30-40 nm is obtained. The specific capacitances of PANI-Nafion, PANI-SDS, and PANI-SDBS electrodes at 0.1 A·g^-1 are 385.3, 359.7, and 401.6 F·g^-1, respectively. Among these electrodes PANI-Nafion delivers the best cycle performance, maintaining 70.7% of its initial capacitance after 1000 cycles.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

不同磺酸掺杂聚苯胺的制备及在超级电容器中的应用

通讯作者: 钟新仙, 李庆余; 钟新仙, 李庆余

English

Preparation and Application of Polyaniline Doped with Different Sulfonic Acids for Supercapacitor

Corresponding author: 钟新仙, 李庆余; 钟新仙, 李庆余

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中国化学会秘书处

不同磺酸掺杂聚苯胺的制备及在超级电容器中的应用

通讯作者: 钟新仙, 李庆余; 钟新仙, 李庆余

English

Preparation and Application of Polyaniline Doped with Different Sulfonic Acids for Supercapacitor

Corresponding author: 钟新仙, 李庆余; 钟新仙, 李庆余

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CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs