Effects of Annealing on Electrochemical Properties of Solvothermally Synthesized Cu2SnS3 Anode Nanomaterials

Xiaoli PENG, Chong WEN, Qian ZHANG, Hang MIN, Yong XIANG, Xiaoran HU, Xiaokun ZHANG*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

Abstract

Cu2SnS3, as a modified material for high-capacity tin-based anodes, has great potential for lithium-ion battery applications. The solvothermal method is simple, convenient, cost-effective, and easy to scale up, and has thus been widely used for the preparation of nanocrystals. In this work, Cu2SnS3 nanoparticles were prepared by the solvothermal method. The effects of high-temperature annealing on the morphology, crystal structure, and electrochemical performance of a Cu2SnS3 nano-anode were studied. The experimental results indicate that high-temperature annealing improves the electrochemical performance of Cu2SnS3, resulting in higher initial coulombic efficiency and improved cycling and rate characteristics compared with those of the as-prepared sample.

Original languageEnglish
Number of pages11
JournalNanoscale Research Letters
Volume16
Issue number1
Early online date28 Jan 2021
DOIs
Publication statusPublished - Dec 2021
Externally publishedYes

Bibliographical note

This work was supported by the Fundamental Research Funds for Central Universities (Contract No. ZYGX2019Z009); Sichuan Province Science and Technology Support Program (Contract No. 2018JY0554).

Keywords

  • Annealing
  • Anode
  • CuSnS
  • Nanoparticles
  • Solvothermal method

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