4.7 Article

Anthracite-based reduced graphene oxide/antimony composites as anode materials for high performance sodium ion batteries

Journal

JOURNAL OF ALLOYS AND COMPOUNDS
Volume 925, Issue -, Pages -

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2022.166631

Keywords

Sodium ion batteries; Reduced graphene oxide; Anthracite; Antimony

Funding

  1. National Natural Science Foundation of China [52074109, 51974110]
  2. Fundamental Research Funds for the Universities of Henan Province [NSFRF220437]
  3. Program for Science & Technology Innovation Talents in Universities of Henan Province [21HASTIT008]

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In this study, anthracite-based reduced graphene oxide/antimony (ARGO/SbX) composites were successfully prepared as high-performance anodes for sodium-ion batteries (SIBs). The ARGO/SbX-based SIBs exhibited high specific capacity, superior rate capability, and good cycling stability, which may contribute to the development of SIBs for large-scale applications.
As a viable alternative to lithium-ion batteries (LIBs), sodium ion batteries (SIBs) have attracted much more attentions. Herein, anthracite-based reduced graphene oxide/antimony (ARGO/SbX) composites have been successfully prepared as high performance anodes for SIBs. The anode composites have been synthesized by in situ reduction of Sb3+ provided by SbCl3 into Sb particles anchored onto the ARGO surface with the aid of NaBH4 and followed by annealing at 550 ? for 2 h. As designed, ARGO/SbX based SIBs can display high specific capacity, superior rate capability (527 mAh g(-1) at 0.03 A g(-1), 117 mAh g(-1) at 10 A g(-1)), and good cycling stability (77 % of the initial capacity after 1000 cycles at 1 A g(-1)). The present research provides one low cost and high performance coal-based carbon anodes, which are supposed to accelerate the development of SIBs toward future large-scale applications. (c) 2022 Elsevier B.V. All rights reserved.

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