Journal
JOURNAL OF POWER SOURCES
Volume 239, Issue -, Pages 64-71Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2013.03.083
Keywords
Flexible; Manganese dioxide; Nanorods; Supercapacitors
Funding
- Natural Science Foundations of China [90923008, 21273290, J1103305]
- Strategic emerging industries in Guangdong Province [2011A010802004]
- Integration of Production and Research Projects of the Ministry and Guangdong Province [2011B090400618]
- Research Fund for the Doctoral Program of Higher Education of China [20120171110043]
- Academic New Artist Ministry of Education Doctoral Post Graduate (China) for China Scholarship Council
- Sun Yat-Sen Innovative Talents Cultivation Program for Doctoral Graduate Student
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We reported the synthesis of large-area manganese oxide nanorods (MONRAs) on carbon fabric and their implementation as flexible supercapacitors. Electrochemical measurements demonstrated that MONRAs exhibited a high capacitance (678 F g(-1) at a current density of 0.3 A g(-1)) with high flexibility and excellent cycle performance (less than 3% capacitance loss after 10,000 cycles). Furthermore, the fabricated solid-state devices based on these MONRAs electrodes exhibited good electrochemical performance and could power a red LED well for about 5 mm after charging at 0.5 mA cm(-2) for 30 s, with an energy utilization efficiency of about 80%. These findings show that MONRAs are a kind of very promising electrode material for flexible supercapacitors. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
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