Abstract

One-dimensional core–shell CuO/polypyrrole (PPy) nanocomposites are synthesized by employing CuO nanobelts as new wire-templates. Incorporation of flexible conducting polymers into the CuO nanobelts leads to improved stability, electric conductivity and electrochemical performance. When evaluated as potential anode materials for lithium-ion batteries, the novel CuO/PPy nanocomposites exhibit a high initial capacity of 991mAhg−1 and retain a good reversible value of 613mAhg−1 over 80cycles, which are much better than those of the bare CuO nanobelts.

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