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Facile synthesis of Sb-Sb2O5@P@C composite and study for the supercapacitor application

  • Zongsheng Cao
  • , Zhengchun Yang
  • , Cong Zhang
  • , Liqiang Xie
  • , Xinhao Zhao
  • , Peng Pan
  • , Yujie Yuan
  • , Wen Qi
  • , Jie He*
  • , Honghao Zhang
  • , Tao Xue
  • , Ping Zhang
  • , Jun Wei
  • , Kailiang Zhang
  • , Jinshi Zhao
  • *Corresponding author for this work
  • Tianjin University of Technology
  • Beijing Institute of Collaborative Innovation
  • Tianjin University
  • Agency for Science, Technology and Research, Singapore

Research output: Contribution to journalArticlepeer-review

Abstract

A Sb-Sb2O5@P@C composite was synthesized using a two-step high-energy mechanical milling (HEMM) method using metal antimony, red phosphorus, and carbon as raw materials. XPS, XRD, and Raman spectroscopy clearly showed that the Sb was partially oxidized to become Sb2O5 during the milling process and that some of the red phosphorus was converted to black phosphorus. A specific capacitance of 109.7 F g−1 was achieved at a current density of 0.5 mA cm-2 in the obtained Sb-Sb2O5@P@C composite, and the packaged supercapacitor prepared with the Sb-Sb2O5@P@C composite was found to maintain a capacitance retention of 77.3% after 5000 cycles at a current density of 2 A g−1. This study therefore provides a possible direction for the selection of electrode materials the perform well for application in supercapacitors.

Original languageEnglish
Pages (from-to)2406-2415
Number of pages10
JournalJournal of Materials Science: Materials in Electronics
Volume31
Issue number3
DOIs
StatePublished - 1 Feb 2020
Externally publishedYes

Keywords

  • Black phosphorus
  • Capacitance retention
  • HEMM
  • Sb-SbO@P@C
  • Supercapacitor

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