Abstract
A cost-effective facile approach has been developed to prepare Se nanowires in anodic aluminum oxide (AAO) nanochannels by a mechanical injection method, which enables injection of molten Se into the AAO template to form nanowires during solidification. The as-synthesized Se nanowires display well crystallized as a single phase with a hexagonal structure. In addition, thermal stability and electrochemical properties of Se nanowires were presented and discussed in detail. It was found that the Se nanowires used as a cathode material of Li-Se battery displayed enhanced chemical reaction processes with lithium ions, with a higher storage capacity of 1425.6 mAh g−1 compared with the capacity of bulk Se cathode with 454 mAh g−1 at a current density of 150 mA g−1. The current method of synthesizing nanowires is feasible for other pure elements and their compounds with relatively lower melting points (<650 °C).
Published Version
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