Novel plasma-engineered MoS 2 nanosheets for superior lithium-ion batteries

Yanyan Liu, Long Zhang, Yuanchun Zhao, Tongde Shen, Xinlin Yan, Chuang Yu, Hongqiang Wang, Hong Zeng

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Abstract

It is a highly relevant topic concerning how to improve the electrochemical performance of anode materials for the next generation lithium-ion batteries (LIBs). Herein, for the first time, we report a facile and controllable approach to modify MoS 2 nanosheets, a typical 2D material, as an anode material for advanced LIBs via oxygen plasma engineering. An oxygen plasma treatment not only generates vacancies/defects but also incorporates heteroatom doping to form Mo–O–C bonds. This unique hybrid specialty enables the oxygen-plasma-treated MoS 2 to achieve superior electrochemical performance with high reversible capacities, a long-term cycle life, and good rate capabilities. The plasma-assisted modification is believed to be applicable for other 2D materials as an efficient anode for energy storages.

Original languageEnglish
Pages (from-to)996-1003
JournalJournal of Alloys and Compounds
Volume787
DOIs
Publication statusPublished - 2019

Keywords

  • Imperfections
  • Lithium-ion batteries
  • MoS
  • O doping
  • Oxygen plasma

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