Journal
NANO ENERGY
Volume 10, Issue -, Pages 108-116Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2014.08.018
Keywords
Reciprocal; Alternate deposition; Strategy; Metal oxide; Carbon nanotube; Supercapacitor
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Funding
- Jinan University Outstanding Student Program
- National Natural Science Foundation of China [51102115, 21376104]
- Natural Science Foundation of Guangdong Province, China [S2013010012876]
- State Key Laboratory of Optoelectronic Materials and Technologies (Sun Yat-sen University) Open Fund
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To solve two critical issues of poor conductivity and low mass loading in pseudocapacitor research, reciprocal multilayer metal oxide/CNT electrodes (MnO2 and MoO3 as examples) are designed through a novel, general alternate deposition strategy. Multi layer metal oxide/CNT electrodes demonstrated significantly larger areal capacitances than those of the control groups. An assembled MnO2/CNT//MoO3/CNT asymmetric supercapacitor operating within an expanded potential window of 1.6 V exhibited a very high energy density of 1.7 mWh/cm(3). These results suggest that the reciprocal alternate deposition strategy has promising potential applications in designing and fabricating positive and negative electrodes for the high-performance supercapacitors and other energy storage devices. (C) 2014 Elsevier Ltd. All rights reserved.
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