Journal
NANOSCALE
Volume 6, Issue 5, Pages 2922-2928Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr05845j
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Funding
- National Basic Research Program of China [2011CB933300]
- National Natural Science Foundation of China [11204093, 11074082, 11374110]
- Fundamental Research Funds for the Central Universities [HUST: 2012QN114, 2013TS033]
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A solid-state high performance flexible asymmetric supercapacitor (ASC) was fabricated. Its anode is based on organic-inorganic materials, where polypyrrole (PPy) is uniformly wrapped on MnO2 nanoflowers grown on carbon cloth (CC), and its cathode is made of activated carbon (AC) on CC. The ASC has an areal capacitance of 1.41 F cm(-2) and an energy density of 0.63 mW h cm(-2) at a power density of 0.9 mW cm(-2). An energy storage unit fabricated using multiple ASCs can drive a light-emitting diode (LED) segment display, a mini motor and even a toy car after full charging. The high-performance ASCs have significant potential applications in flexible electronics and electrical vehicles.
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