Journal
ELECTROCHIMICA ACTA
Volume 221, Issue -, Pages 56-61Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.10.150
Keywords
In-situ growth; reaction mechanism; 3D Cu2O@Cu foams
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Nanostructured Copper oxides are promising materials for supercapacitors due to their high theoretical capacitance, low cost and environment friendly properties, especially for those prepared via template free method. In this work, an in-situ growth of self-assembled 3D Cu2O@Cu foams nanocomposite without template has been developed and the synthesis mechanism has been discussed in detail. The electrode exhibits a high capacitance of 0.66F cm(-2) (about 200 F g(-1)) and significant stability (after 12000 times cycling, remaining 87.9% of the initial value). Extraordinary performances and relative cost of the raw material indicate its potential in commercial applications for energy storage. (C) 2016 Elsevier Ltd. All rights reserved.
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