Abstract
We report here for the first time Sn-contained N-rich carbon nanowires, which are prepared via a facile and scalable procedure using poly-pyrrole as the carbon source. As-obtained nanowires with a diameter of about 50nm crosslink with each other with enough void space, beneficial to accommodating lithiation-induced volumetric change and mechanical stress. In particular, this product contains abundant nitrogen (9.8wt.%), favorable for Li+ diffusion and storage. It therefore exhibits excellent cycling stability of 682.6 and 760.1mAhg−1 at 500mAg−1 after 200 and 600 cycles, respectively. It also delivers great high rate performance even at 10Ag−1.
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