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Synthesis of copper sulfide nanowire bundles in a mixed solvent as a cathode material for lithium-ion batteries

  • Caihong Feng
  • , Le Zhang
  • , Zhihui Wang
  • , Xiangyun Song
  • , Kening Sun
  • , Feng Wu
  • , Gao Liu*
  • *Corresponding author for this work
  • Lawrence Berkeley National Laboratory
  • Beijing Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Novel copper sulfide (CuS) nanowire bundles with a diameter of about 6 nm and a length up to several micrometers are successfully synthesized by a template- and surfactant-free method in a dimethyl sulfoxide (DMSO)-ethyl glycol (EG) mixed solvent. The resulting CuS nanowire bundles are used as a cathode material in lithium-ion batteries and exhibit a large capacity and excellent cycling stability and rate capability. The unique structure of the CuS nanowire bundles is responsible for their excellent electrochemical performance.

Original languageEnglish
Pages (from-to)550-555
Number of pages6
JournalJournal of Power Sources
Volume269
DOIs
Publication statusPublished - 10 Dec 2014

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Copper sulfide
  • Lithium-ion batteries
  • Mixed solvent
  • Nanowire bundles

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