Abstract
We report herein a fast and scalable approach to the synthesis of MO/CNT/Fe (MCI) hybrid nanostructures via microwave irradiation of MXene under ambient condition. The effect of three arcing materials, CNT, graphite (C), and carbon fiber (Cf), on the growth of carbon nanotubes on MXene-derived metal oxides were investigated. The resulted MCI nanostructures were tested as anodes in LIBs, all exhibiting better electrochemical performance than that of pristine Ti3C2. Remarkably, MCI-Cf delivered reversible capacities of 430 mA h g−1 and 175 mA h g−1 at 1 A g−1 and 10 A g−1, respectively, which is much higher than that of commercial graphite at high rates. The findings in this work open new exciting opportunities to developing hybrid electrode materials with high specific capacity for energy conversion and storage.
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