Abstract
NiO/Co3O4 composite nanosheets have been synthesized via a facile method at low temperature for the first time. The as prepared materials were characterized by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM), and the performance of Li-ion batteries (LIBs) as anode materials were also studied. By controlling the atom ratio of Ni:Co, not only the size of the nanosheets can be controlled, the electrode’s conductivity and stability could also be greatly improved. The composite material showed a stable capacity retention during cycling (87% of the second capacity was retained after 15 cycles) even at a relatively large current rate (400 mA/g). The NiO/Co3O4 nanosheet might be promising candidate anode materials in high performance Li-ion batteries.
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Liang, Q., Li, Y. & Li, J. Low temperature synthesis of NiO/Co3O4 composite nanosheets as high performance Li-ion battery anode materials. Chin. Sci. Bull. 57, 4195–4198 (2012). https://doi.org/10.1007/s11434-012-5290-0
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DOI: https://doi.org/10.1007/s11434-012-5290-0