Journal
RSC ADVANCES
Volume 3, Issue 4, Pages 1045-1049Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra22566b
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Funding
- National Natural Science Foundation of China (NSFC)
- 973 Program [2011CBA00504]
- China National Funds for Distinguished Young Scientists of the NSFC
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A hierarchical nanocomposite based on MnO2 nanowire/CoAl layered double hydroxide/carbon fibers is fabricated by a facile two-step method as a high-performance supercapacitor. The CoAl-LDH nanocrystals grown on flexible carbon fibers were prepared via an in situ hydrothermal method, followed by loading of MnO2 nanowires through a direct redox reaction between the Co2+ species and MnO4-. The hierarchical MnO2/LDH/CFs electrode as a supercapacitor displays a high specific capacitance (944 F g(-1) at 1 A g(-1)) and rate capability, good stability and excellent long-term cycling life.
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