Supercapacitor Performance of Aligned Carbon Nanotube/Polyaniline Composite Depending on the Duration of Aniline Polycondensation

被引：12

作者：

Fedorovskaya, E. O. ^{[1
]}

Okotrub, A. V. ^{[1
]}

Bulusheva, L. G. ^{[1
]}

机构：

[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia

来源：

FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2012年 / 20卷 / 4-7期

基金：

俄罗斯基础研究基金会;

关键词：

Aligned nanotubes; polyaniline; supercapacitor; POLYANILINE;

D O I：

10.1080/1536383X.2012.655961

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

Polyaniline (PANI) was electrochemically deposited onto aligned carbon nanotube (CNT) arrays during 500 and 2500 sec. The electronic state of nitrogen in the composites was investigated by near-edge X-ray absorption fine structure spectroscopy. The N K-edge spectra revealed that mainly emeraldine base was developed in the former composite, while emeraldine was highly protonated in the latter composite. Electrochemical measurements showed that the CNT/PANI composites have significantly better performance than the non-coated nanotubes. The higher specific capacity in the composite obtained during the shorter time was related with the thinner PANI layer deposited on the CNT surface.

引用

页码：519 / 522

页数：4

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