Journal
MATERIALS LETTERS
Volume 184, Issue -, Pages 181-184Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.08.049
Keywords
Nanosheets Co3O4; Corrosion; Oxidation; Free-standing
Funding
- Fundamental Research Funds for the Central Universities [2014QNA14]
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Co3O4 nanosheets were straightforwardly fabricated through in-situ dealloying and oxidation process of etching Al65Co35 alloy in 1 M NaOH solutions. It exhibited a high specific capacitance of 5747 mF cm(-2) at a current density of 5 mA cm(-2) and good rate capability. Meanwhile, the capacitance retention keeps about 108.7% of the initial value after 1000 cycles at a current density of 30 mA cm(-2). The simple synthetic process and all these impressive results demonstrated that the Co3O4 electrode with flower-like nanoplates is promising for practical applications in supercapacitors. (C) 2016 Elsevier B.V. All rights reserved.
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