• 文献标题:   Fluorine-doped SnO2 nanoparticles anchored on reduced graphene oxide as a high-performance lithium ion battery anode
  • 文献类型:   Article
  • 作  者:   CUI DM, ZHENG Z, PENG X, LI T, SUN TT, YUAN LJ
  • 作者关键词:   sno2, f doping, reduced graphene oxide, anode, lithium ion battery
  • 出版物名称:   JOURNAL OF POWER SOURCES
  • ISSN:   0378-7753 EI 1873-2755
  • 通讯作者地址:   Wuhan Univ
  • 被引频次:   37
  • DOI:   10.1016/j.jpowsour.2017.07.024
  • 出版年:   2017

▎ 摘  要

The composite of fluorine-doped SnO2 anchored on reduced graphene oxide (F-SnO2/rGO) has been synthesized through a hydrothermal method. F-SnO2 particles with average size of 8 nm were uniformly anchored on the surfaces of rGO sheets and the resulting composite had a high loading of F-SnO2 (ca. 90%). Benefiting from the remarkably improved electrical conductivity and Li-ion diffusion in the electrode by F doping and rGO incorporation, the composite material exhibited high reversible capacity, excellent long-term cycling stability and superior rate capability. The electrode delivered a large reversible capacity of 1037 mAh g(-1) after 150 cycles at 100 mA g(-1) and high rate capacities of 860 and 770 mAh g(-1) at 1 and 2 A g(-1), respectively. Moreover, the electrode could maintain a high reversible capacities of 733 mAh g(-1) even after 250 cycles at 500 mA g(-1). The outstanding electrochemical performance of the as-synthesized composite make it a promising anode material for high-energy lithium ion batteries. (C) 2017 Elsevier B.V. All rights reserved.