期刊
SYNTHETIC METALS
卷 158, 期 15, 页码 638-641出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2008.04.007
关键词
SWNT-PPy; cyclic voltammetry; polymer
资金
- Korea Research Foundation (KRF) [KRF-2006-005-J02802, KRF-2006-005-J02803]
- Robert A. Welch Foundation [AT-0029]
- LINTEC Corporation
- National Research Foundation of Korea [2006-005-J02802, 2006-005-J02803] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Highly porous sheets comprised of single walled carbon nanotubes and doped polypyrrole (SWNT-PPy) were prepared by vacuum filtration of SWNT-PPy methanol dispersions. The employed preparation procedure is an extension of conventional bucky-paper fabrication technique for the multi-component system. A number of nanocornposites with nominal SWNT: PPy compositions ranging from 1:0 to 1: 1 were obtained and tested. Electrochemical properties of the nanocomposites were investigated by cyclic voltammetry and galvanostatic spectroscopy technique in aqueous I M NaCl electrolyte. The highest specific capacitance of 131 F/g was obtained for nanocomposite with 1: 1 SWNT: PPy ratio. Prospective applications of prepared materials range from supercapacitors to electrodes for batteries and electromechanical actuators. (C) 2008 Elsevier B.V. All rights reserved.
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