Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106597
Title: Porous Co3O4 nanowires derived from long Co(CO3)0.5(OH)·0.11H2O nanowires with improved supercapacitive properties
Authors: Wang, Bao
Zhu, Ting
Wu, Hao Bin
Xu, Rong
Chen, Jun Song
Lou, David Xiong Wen
Issue Date: 2012
Source: Wang, B., Zhu, T., Wu, H. B., Xu, R., Chen, J. S., & Lou, D. X. W. (2012). Porous Co3O4 nanowires derived from long Co(CO3)0.5(OH)·0.11H2O nanowires with improved supercapacitive properties. Nanoscale, 4(6), 2145-2149.
Series/Report no.: Nanoscale
Abstract: Porous Co3O4 nanowires with large aspect ratio have been obtained by annealing long Co(CO3)0.5(OH)·0.11H2O precursor nanowires synthesized by a facile hydrothermal method. The results show that the amount of the additive (urea) has an important impact on the morphology of the as-synthesized cobalt-carbonate-hydroxide intermediate, where the uniformity and the overall structure can be controlled by changing the urea concentration. After the heat treatment, the as-obtained phase-pure Co3O4 nanowires with a well retained structure are applied as the electrode material for supercapacitors, and the sample exhibits excellent performance with a high specific capacitance of 240 F g−1 after 2000 charge/discharge cycles, corresponding to a retention of 98% of the initial capacitance.
URI: https://hdl.handle.net/10356/106597
http://hdl.handle.net/10220/10741
ISSN: 2040-3364
DOI: 10.1039/c2nr11897a
Rights: © 2012 The Royal Society of Chemistry.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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