Porous Sb with three-dimensional Sb nanodendrites as electrode material for high-performance Li/Na-ion batteries

Weijia Meng, Meiqing Guo, Jiajun Chen, Diansen Li, Zhihua Wang, Fuqian Yang

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The increasing demand in energy consumption and the use of clean energy from sustainable energy sources have driven the research in the development of advanced materials for Li-ion and Na-ion batteries. In this work, we have developed a simple technique to synthesize a porous Sb structure through a galvanic replacement reaction between Sb3+ and Zn particles. The porous Sb structure consists of a three-dimensional-hierarchical structure with tree-like nanoscale Sb dendrites. The Sb in the nanodendrites is crystal of a rhombohedral structure. We construct Li-/Na-ion half cells and Li-/Na-ion full cells with the Sb nanodendrites as the active material in the working electrode and anode, respectively, and introduce an additive of vinylene carbonate for the Li-ion half/full cells and an additive of fluoroethylene carbonate for the Na-ion half/full cells. All the Li-/Na-ion half cells and Li-/Na-ion full cells exhibit excellent electrochemical performance and cycling stability. Such excellent performance can be attributed to the synergistic interaction between the three-dimensional-dendritic structure and electrolyte, which likely ensures fast transport of ions and electrons and the formation of a stable solid-state interphase.

Original languageEnglish
Article number175401
JournalNanotechnology
Volume31
Issue number17
DOIs
StatePublished - Feb 7 2020

Bibliographical note

Publisher Copyright:
© 2020 IOP Publishing Ltd.

Keywords

  • Sb nanodendrites
  • lithium/sodium-ion batteries
  • porous Sb

ASJC Scopus subject areas

  • Bioengineering
  • General Chemistry
  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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