Well-Defined Core-Shell Carbon Black/Polypyrrole Nanocomposites for Electrochemical Energy Storage

被引：71

作者：

Yang, Chao ^{[1
,2
]}

Liu, Peng ^{[1
,2
]}

Wang, Tingmei ^{[3
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Key Lab Nonferrous Met Chem & Resources Utilizat, Lanzhou 730000, Peoples R China

[2] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 04期

关键词：

carbon black; polypyrrole; core-shell nanocomposites; electrode materials; supercapacitors; COMPOSITE ELECTRODE; CONDUCTING-POLYMER; POLYPYRROLE; SUPERCAPACITORS; PLATINUM; CATALYST; DIOXIDE;

D O I：

10.1021/am1012529

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The well-defined core-shell carbon black/polypyrrole (CB/PPy) nanocomposites were prepared via the in situ chemical oxidative polymerization of pyrrole from the surfaces of the carbon black (CB) nanoparticles, with poly(2-hydroxy-3-(methacryloyloxy) propane-1-sulfonate) (PHMAS) as both the surfactant and the dopant. The nanocomposites exhibited the high conductivity at room temperature and the weakly temperature dependence of conductivity from 283 to 423 K. When the core-shell CB/PPy nanocomposites were used as the electrode materials for the supercapacitors, the maximum discharge capacity of 366 F/g was achieved, after being corrected for the weight percentage of the PPy phase at the current density of 5 mA/cm(2) in 1.0 M NaNO3 electrolyte solution.

引用

页码：1109 / 1114

页数：6

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