Nickel cobalt oxide nanowire-reduced graphite oxide composite material and its application for high performance supercapacitor electrode material
Lee, Pooi See
Date of Issue2014
School of Materials Science and Engineering
In this paper, we report a facile synthesis method of mesoporous nickel cobalt oxide (NiCo2O4) nanowire-reduced graphite oxide (rGO) composite material by urea induced hydrolysis reaction, followed by sintering at 300 °C. P123 was used to stabilize the GO during synthesis, which resulted in a uniform coating of NiCo2O4 nanowire on rGO sheet. The growth mechanism of the composite material is discussed in detail. The NiCo2O4–rGO composite material showed an outstanding electrochemical performance of 873 F g−1 at 0.5 A g−1 and 512 F g−1 at 40 A g−1. This method provides a promising approach towards low cost and large scale production of supercapacitor electrode material.
Journal of nanoscience and nanotechnology
© 2014 American Scientific Publishers.