• 文献标题:   Facile synthesis of Sb nanoparticles anchored on reduced graphene oxides as excellent anode materials for lithium-ion batteries
  • 文献类型:   Article
  • 作  者:   YIN WH, CHAI WW, WANG K, YE WK, RUI YC, TANG BHJ
  • 作者关键词:   sb nanoparticle, rgo nanosheet, anode material, lithiumion batterie
  • 出版物名称:   JOURNAL OF ALLOYS COMPOUNDS
  • ISSN:   0925-8388 EI 1873-4669
  • 通讯作者地址:   Shanghai Univ Engn Sci
  • 被引频次:   5
  • DOI:   10.1016/j.jallcom.2019.04.329
  • 出版年:   2019

▎ 摘  要

Antimony/reduced graphene oxide (Sb/rGO) composite is prepared successfully with the addition of rGO nanosheets via a facile one-step chemical deposition route using SbCl3 as the precursor, which could form metallic Sb nanoparticles anchored on the rGO sheets submerging in N, N-dimethylformamide (DMF) without any other addition of surfactant. Microstructure characterization tests reveal the sheet-like Sb/rGO composite consisting of the ultrafine Sb nanoparticles uniformly and intimately dispersed on the rGO nanosheets. In this special structure, rGO nanosheets with the preponderance of ultra-thin and flexible not only restrain the tremendous volume change of Sb nanoparticles but also have a brilliant synergistic effect and strong bonding effect along with Sb nanoparticles and improve the conductivity of active material. Therefore, as an anode material with promoted electrochemical performance for lithium-ion batteries, Sb/rGO composite shows the high reversible capacity of 797.5 mAh g(-1) and 562.9 mAh g(-1) after 200 cycles at the current density of 80 mA g(-1) and 430 mA g(-1), respectively. And the rate performance is also improved due to the existence of rGO nanosheets as an indispensable role in the Sb/rGO composite. (C) 2019 Published by Elsevier B.V.