Please use this identifier to cite or link to this item: https://doi.org/10.1039/c2ra21033a
Title: Molten salt synthesis and energy storage studies on CuCo 2O 4 and CuO·Co 3O 4
Authors: Reddy, M.V. 
Yu, C.
Jiahuan, F.
Loh, K.P. 
Chowdari, B.V.R. 
Issue Date: 21-Oct-2012
Source: Reddy, M.V., Yu, C., Jiahuan, F., Loh, K.P., Chowdari, B.V.R. (2012-10-21). Molten salt synthesis and energy storage studies on CuCo 2O 4 and CuO·Co 3O 4. RSC Advances 2 (25) : 9619-9625. ScholarBank@NUS Repository. https://doi.org/10.1039/c2ra21033a
Abstract: CuCo 2O 4 and CuO·Co 3O 4 compounds were prepared by a one-pot simple molten salt method (MSM) at 280 °C to 750 °C. Changes in morphology, crystal structure and electrochemical properties of CuCo 2O 4 as a function of preparation temperatures were investigated using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Brunauer-Emmett-Teller absorption isotherm. XRD patterns of the sample prepared at 280 °C show a crystalline cubic structure with a lattice parameter value of a = 8.131 Å and a surface area value of 9.8 m 2 g -1. The sample prepared at temperatures >510 °C shows the presence of CuO·Co 3O 4 phases. Energy storage properties are evaluated using cyclic voltammetry (CV) and galvanostatic cycling studies. CV studies show a main anodic peak at ∼2.1 V and cathodic peak at ∼1.2 V. At a current rate of 60 mA g -1 and in the voltage range of 0.005-3.0 V vs. Li, CuCo 2O 4 composite prepared at 510 °C shows a high and stable capacity of ∼680 (quenched) and 740 (slow cooling) mAh g -1 at the end of the 40th cycle. © The Royal Society of Chemistry. 2012.
Source Title: RSC Advances
URI: http://scholarbank.nus.edu.sg/handle/10635/94316
ISSN: 20462069
DOI: 10.1039/c2ra21033a
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