Abstract
Solid and hollow CoO nanospheres were synthesized by solvothermal method with oleic acid as reactant and SiO2 as template. Each sample of high-purity CoO was characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy and X-ray photoelectron energy spectroscopy, respectively. Both solid and hollow CoO nanospheres as anode for lithium-ion battery were tested by galvanostatic discharge–charge experiments. The first discharge capacity of 1598 and 1640 mAh g−1 was obtained at 0.1C for solid and hollow CoO nanospheres, respectively. Hollow CoO nanospheres showed better cycle performance.
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Acknowledgements
This study was supported by State Key Laboratory of Powder Metallurgy of China, and the Science and Technology Foundation of Guizhou Province, China (Grant No. [2011]2030).
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Wen, Z., Zheng, F., Jiang, Z. et al. Solvothermal synthesis of solid and hollow CoO nanospheres and their electrochemical properties in lithium-ion battery. J Mater Sci 48, 342–347 (2013). https://doi.org/10.1007/s10853-012-6751-1
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DOI: https://doi.org/10.1007/s10853-012-6751-1