期刊
JOURNAL OF POWER SOURCES
卷 248, 期 -, 页码 1248-1255出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2013.10.061
关键词
Ethylene-vinyl acetate copolymer; Carbon nanotube; Lightweight; Flexible; Supercapacitors
资金
- Natural Science Foundations of China [21273290, J1103305]
- Research Fund for the Doctoral Program of Higher Education of China [20120171110043]
Herein, we developed a highly conductive and lightweight membrane substrate based on the ethylene -vinyl acetate copolymer (EVA), carbon nanotubes (CNTs) and lens wiping paper, and demonstrated its implementation as high-performance mechanical support for MnO2 in supercapacitors. The 45 s-MnO2/EVA/40 wt%CNT electrode exhibited a high capacitance (0.126 F cm(-2) at 0.5 mA cm(-2)) with excellent flexibility. Furthermore, the fabricated devices based on these 45 s-MnO2/EVA/40 waCNT electrodes exhibited excellent flexibility and stability (85% of its initial capacitance retained after 800 bending cycles) and achieved a high energy density of 9.4 Wh kg(-1) at 6780 W kg(-1). (C) 2013 Elsevier B.V. All rights reserved.
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