Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 4, Issue 8, Pages 2915-2921Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ee01338f
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Funding
- Natural Science Foundations of China [20873184, 90923008]
- Natural Science Foundations of Guangdong Province [2008B010600040, 9251027501000002]
- Yat-sen Innovative Talents Cultivation Program for Excellent Tutors
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Large-area manganese oxide nanorod arrays (MONRAs) and herringbones (MOHBs) were successfully synthesized on F-doped SnO2 coated glass (FTO) substrates by a simple electrochemical method. Cyclic voltammetry (CV) and galvanostatic charge/discharge measurements demonstrated that the MONRAs and MOHBs exhibited excellent specific capacitance and good cycling stability in 0.5 M Na2SO4 aqueous solution. For example, the specific capacitance of the MONRAs achieves as high as 660.7 F g(-1) at a scan rate of 10 mV s(-1) and 485.2 F g(-1) at a current density of 3 A g(-1), respectively. Furthermore, the presented method may be extended to allow similar MONRs with a specific capacitance of 583.6 F g(-1) to grow on flexible Ti foil, which may have great potential application in fabricating flexible supercapacitors.
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