Abstract
In this paper, nano-CuCo2O4 was synthesized by a hydrothermal method. X-ray diffraction (XRD) and transmission electron microscopy were used to characterize the structure and morphology of the obtained powder, respectively. The XRD figure␣demonstrated that a high purity phase of CuCo2O4 with spinel structure has been prepared. Particle sizes ranged from 22 nm to 26 nm. A charge–discharge mechanism was suggested based on the result of a cycle voltammetry experiment. Meanwhile, the charge–discharge test of CuCo2O4 as the anodic coating for a lithium-ion battery was carried out at 0.2 mA cm−2 in the voltage range of 0.05–3.0 V. The first discharge capacity reached a very high value of 1509 mAh g−1. After ten cycles, the capacity retention was 99.2% with reference to the 10th cycle. This indicates that the CuCo2O4 anode will be a novel potential anode material for lithium-ion batteries.
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Acknowledgement
This work was financially supported by the Hubei Provincial Natural Science Foundation of China (2015CFC796), Youth Project of Educational Commission of Hubei Province of China (Q20152502), and Science Foundation for Creative Research Group of HBNU (T201501).
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Cheng, C., Chen, F., Wang, J. et al. Synthesis of Nano-CuCo2O4 with High Electrochemical Performance as Anode Material in Lithium-Ion Batteries. J. Electron. Mater. 45, 553–556 (2016). https://doi.org/10.1007/s11664-015-4148-z
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DOI: https://doi.org/10.1007/s11664-015-4148-z