期刊
MATERIALS LETTERS
卷 76, 期 -, 页码 211-214出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.02.100
关键词
Electrospinning; Porous materials; Phenolic-based; Carbon materials; Supercapacitors
Phenolic-based carbon nanofiber webs (PCNFWs) were prepared by electrospinning resole-type phenolic resin/PVA blend solution, followed by curing and carbonization. The PCNFWs presented rich micropores and a BET surface area of 416 m(2)/g without any activation process. The electrochemical properties of the PCNFWs were investigated in two- or three-electrode cell. In spite of moderate surface area, the PCNFWs showed excellent capacitance performance. The specific capacitance was up to 171 F/g at 5 mV/s and remained 84% at 100 mV/s. The excellent electrochemical performance was further confirmed through comparison with commercial activated carbon cloth (1201 m(2)/g). The encouraging results showed the potential of the PCNFWs as supercapacitor electrode material. (C) 2012 Elsevier B.V. All rights reserved.
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