Journal
MATERIALS LETTERS
Volume 219, Issue -, Pages 143-147Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.02.006
Keywords
Energy storage and conversion; Supercapacitor; Ni-foam; Interfaces; XPS
Funding
- Priority Research Centers Program through National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology (MEST) of the Korean Government [2009-0093818]
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Cu-Zn-Co oxide nanoflakes were grown on Ni-foam using a hydrothermal method. FESEM revealed a thin nanoflake-like morphology. The Cu-Zn-Co oxide nanoflakes exhibited a maximum specific capacity of 215 C g(-1) at a scan rate of 5 mV s(-1) and 178 C g(-1) at a specific current of 1 A g(-1). When used as a Liion battery electrode, the Cu-Zn-Co oxide nanoflakes exhibited a specific discharge capacity of 1117 m A h g(-1) in the second cycle with excellent cycling stability. This superior cycling stability of the Cu-ZnCo oxide nanoflakes was attributed to the direct attachment of Cu-Zn-Co oxide nanoflakes on Ni-foam. (C) 2018 Elsevier B. V. All rights reserved.
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