Journal
SCIENTIFIC REPORTS
Volume 3, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep02286
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Funding
- National Basic Research Program of China [2011CB933300]
- National Natural Science Foundation of China [11204093, 11074082]
- Fundamental Research Funds for the Central Universities (HUST) [2012QN114, 2013TS033]
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A solid-state flexible supercapacitor (SC) based on organic-inorganic composite structure was fabricated through an in situ growth for conductive wrapping and an electrode material of polypyrrole (PPy)-MnO2 nanoflakes-carbon fiber (CF) hybrid structure was obtained. The conductive organic material of PPy greatly improved the electrochemical performance of the device. With a high specific capacitance of 69.3 F cm(-3) at a discharge current density of 0.1 A cm(-3) and an energy density of 6.16x10(-3) Wh cm(-3) at a power density of 0.04 W cm(-3), the device can drive a commercial liquid crystal display (LCD) after being charged. The organic-inorganic composite active materials have enormous potential in energy management and the in situ growth for conductive wrapping method might be generalized to open up new strategies for designing next-generation energy storage devices.
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