초록 |
In this work, we synthesized urchin-like MnO2 particles and its composite with CNF(carbon nanofiber) for the anode electrode of Li-battery. We prepared the novel urchin-like-MnO2 (U-MnO2) which was composed of tube shape through a conventional hydrothermal route and then prepared the composites by impregnation method. The samples are systematically investigated by X-ray diffraction analysis, Raman spectroscopy, FT-IR spectroscopy, field-emission scanning electron microscopy and EDS-mapping. The electrochemical measurement of lithium-ion batteries (LIBs) shows that prepared U-MnO2-CNF as the anode exhibit high discharge capacity, high rate capability, and excellent cycling stability. |