• 文献标题:   Synthesis of graphene/alpha-Fe2O3 nanospindles by hydrothermal assembly and their lithium storage performance
  • 文献类型:   Article
  • 作  者:   MA TT, XU YS, SUN L, LIU XH, ZHANG J
  • 作者关键词:   nanocomposite, graphene, batterie, transition metal oxide
  • 出版物名称:   CERAMICS INTERNATIONAL
  • ISSN:   0272-8842 EI 1873-3956
  • 通讯作者地址:   Qingdao Univ
  • 被引频次:   5
  • DOI:   10.1016/j.ceramint.2017.09.182
  • 出版年:   2018

▎ 摘  要

Nanocomposite of graphene/alpha-Fe2O3 (G/alpha-Fe2O3) nanospindles was synthesized by a simple hydrothermal assembly method followed by thermal treatment. The alpha-Fe2O3 nanospindles were evenly enwrapped by the graphene nanosheets. When evaluated as an anode for Li-ion batteries (LIBs), the G/alpha-Fe2O3 nanocomposite showed enhanced cycling performance and rate capability compared to pure alpha-Fe2O3. G/alpha-Fe2O3 retained a reversible capacity of 607 mAh g(-1) after 100 cycles at 100 mA g(-1), which is far higher than that (160 mAh g(-1)) of alpha-Fe(2)O(3)3. The superior electrochemical performance of G/alpha-Fe2O3 can be attributed to the protection effect of graphene nanosheets to accommodate the volume change of alpha-Fe2O3 during lithiation/delithiation.