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|Title:||Controlled synthesis of manganese oxyhydroxide nanotubes : implications for high-efficiency supercapacitors||Authors:||Shi, Wenhui
Tan, Hui Teng
Hoster, Harry E.
|Issue Date:||2013||Source:||Tan, H. T., Rui, X., Shi, W., Xu, C., Yu, H., Hoster, H. E., et al. (2013). Controlled Synthesis of Manganese Oxyhydroxide Nanotubes: Implications for High-Efficiency Supercapacitors. ChemPlusChem, 78(6), 554-560.||Series/Report no.:||Chempluschem||Abstract:||Successful attempts have been made to control the synthesis of tubular MnOOH with nanodimensions on high electronic conductivity graphite felt (GF) to be used as a flexible supercapacitor electrode. As a fundamental study, the time-dependent kinetics was investigated to interpret its formation mechanism, which can be depicted as the curling of a two-dimensional precursor into a one-dimensional structure with a hollow interior. As a result of the nanotube structure, the active surface area of MnOOH is completely accessible to electrolyte ions and has a shorter charge-transport length and greater ability to withstand structural deformation. Hence, hollow-structured MnOOH shows great promise as an electrochemical system, which is reflected in its high specific capacitance of 1156 F g−1 at 1 A g−1. Furthermore, the high energy density of 1125 W h kg−1 and power density of 5.05 kW kg−1 reveal the outstanding energy-storage behavior of the MnOOH/GF composites as flexible supercapacitor electrodes.||URI:||https://hdl.handle.net/10356/101768
|ISSN:||2192-6506||DOI:||10.1002/cplu.201300095||Rights:||© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||MSE Journal Articles|
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