Cu-Zn-Co oxide nanoflakes on Ni-foam as a binder free electrode for energy storage applications

[Display omitted] •The Cu-Zn-Co oxide grown on Ni-foam shows thin nanoflake like morphology.•Cu-Zn-Co oxide nanoflakes exhibits a maximum specific capacity of 215 C g−1.•Cu-Zn-Co oxide nanoflakes exhibits a specific discharge capacity of 1603 mA h g−1. Cu-Zn-Co oxide nanoflakes were grown on Ni-foam...

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Published in:Materials letters 2018-05, Vol.219, p.143-147
Main Authors: Vijayakumar, Subbukalai, Lee, Seong-Hun, Nagamuthu, Sadayappan, Ryu, Kwang-Sun
Format: Article
Language:English
Subjects:
Cobalt
Copper
Copper cobalt alloys
Copper zinc alloys
Cycles
Electrodes
Energy
Energy storage
Energy storage and conversion
Interfaces
Lithium-ion batteries
Materials science
Morphology
Ni-foam
Nickel
Stability
Supercapacitor
XPS
Zinc
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cited_by cdi_FETCH-LOGICAL-c334t-8ee59c2fbe439b65283570cf080b3ea49fdc6f9394ac7288f06390b766bd1d103
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container_title Materials letters
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creator Vijayakumar, Subbukalai
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description [Display omitted] •The Cu-Zn-Co oxide grown on Ni-foam shows thin nanoflake like morphology.•Cu-Zn-Co oxide nanoflakes exhibits a maximum specific capacity of 215 C g−1.•Cu-Zn-Co oxide nanoflakes exhibits a specific discharge capacity of 1603 mA h g−1. 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 Li-ion battery electrode, the Cu-Zn-Co oxide nanoflakes exhibited a specific discharge capacity of 1117 mA h g−1 in the second cycle with excellent cycling stability. This superior cycling stability of the Cu-Zn-Co oxide nanoflakes was attributed to the direct attachment of Cu-Zn-Co oxide nanoflakes on Ni-foam.
doi_str_mv 10.1016/j.matlet.2018.02.006
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source ScienceDirect Journals
subjects Cobalt
Copper
Copper cobalt alloys
Copper zinc alloys
Cycles
Electrodes
Energy
Energy storage
Energy storage and conversion
Interfaces
Lithium-ion batteries
Materials science
Morphology
Ni-foam
Nickel
Stability
Supercapacitor
XPS
Zinc
title Cu-Zn-Co oxide nanoflakes on Ni-foam as a binder free electrode for energy storage applications
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