Peapod-Like Carbon-Encapsulated Cobalt Chalcogenide Nanowires as Cycle-Stable and High-Rate Materials for Sodium-Ion Anodes.

Wu, Chao; Jiang, Yu; Kopold, Peter; van Aken, Peter A; Maier, Joachim; Yu, Yan · Adv Mater · 2016

basic_science · Level V

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Abstract

Peapod-like carbon-encapsulated cobalt chalcogenide nanowires are designed and synthesized by a facile method. The nanowires show excellent electrochemical performance for sodium storage, suggesting that chalcogenides, especially selenides, have potential as advanced anodes for sodium-ion batteries.